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In the building intercom mobile communication network, all communication between the mobile station and the fixed network is transmitted through the wireless interface, but the wireless interface is open, and the perpetrator may eavesdrop on the channel through the wireless interface and obtain the transmission information therein. It is even possible to modify, insert, delete, or retransmit mesغير مجاز مي باشدes in the wireless interface to achieve the purpose of spoofing mobile user identities to deceive the network terminal. According to the different types of attacks, it can be divided into three types: unauthorized access to data, unauthorized access to network services, and threat integrity.

1. Unauthorized access to data attacks

The main purpose of unauthorized access to data attacks is to obtain the user data and/or signaling data transmitted in the wireless interface. There are several ways to do this:

Eavesdropping on User Data - Obtaining User Information Content Eavesdropping Signaling Data - Obtaining Network Management Information and Other Wireless Tracking for Proactive Attacks - Obtaining Mobile User Identity and Location Information for Wireless Tracking Passive Transport Stream Analysis - Guess User Communication Content and Purpose Active Transport Stream Analysis - Get Access Information
Unauthorized access to network service attacks

In an unauthorized access network service type attack, an attacker defrauds the network by impersonating a legitimate mobile user identity, obtains authorization to access the network service, and evades payment, and the counterfeit mobile user pays for the attacker.

Threat Data Integrity Attacks

The target of the threat data integrity attack is the user data flow and signaling data flow in the wireless interface. The attacker realizes the purpose of deceiving the data receiver by modifying, inserting, deleting, or retransmitting these data flows. .

In the building intercom mobile communication network, the composition of the network is more complicated. It not only contains many functional units, but also the communication media between different units is not the same. Therefore, there are also some insecure factors that cannot be ignored in the security mobile network, such as wireless wiretapping, identity counterfeiting, falsification of data, and denial of service. According to the type of attack, there are the following four categories:

1. Unauthorized access to data attacks

The main purpose of unauthorized access to data attacks is to obtain user data and/or signaling data transmitted between network-end units. The specific methods are as follows:

Eavesdropping on User Data - Obtaining User Communication Content Eavesdropping Signaling Data - Obtaining Security Management Data and Other Information Facilitating Active Attacks Counterfeit Communication Receivers - Obtaining User Data, Signaling Data, and Other Passive Transfer of Information Facilitating Active Attacks Stream analysis - access to information access to illegally stored data in the system - access to data stored in the system such as legitimate user authentication parameters, etc. 2. Unauthorized access to network service attacks

The main purpose of unauthorized access to network service attacks is to access the Internet and avoid payment.

The specific manifestations are as follows:

Counterfeit legal use - access to network services authorized counterfeit service network - access to network services to counterfeit the home network - access to authentication parameters that can impersonate a legitimate user's identity abuse of user power - to enjoy network services without payment and misuse of network services - Obtaining illegal profits
Threat Data Integrity Attacks
The threat data integrity attacks on the building intercom mobile communication network include not only the threats of data integrity attacks in the wireless interface, but also the communication interface between the BSS and the MSC may be a wireless interface. Moreover, it also includes wired communication networks. The specific performance is as follows:

Manipulate user data streams - gain network service access rights or intentionally interfere with traffic manipulation signalling data flow - gain access to network services or intentionally interfere with communications Counterfeit communication participants - gain access to network services or intentionally interfere with communication manipulation Downloadable applications - Interfering with the normal operation of the mobile terminal Manipulating the mobile terminal - Normal operation of the mobile terminal Manipulating data stored in the network unit - Obtaining access rights to network services Intentionally interfering with communications
4. Deficit attacks after service

After the service, the repudiation attack is whether or not the communication occurred after the communication, thus avoiding payment or evading responsibility. The specific performance is as follows:

Paid repudiation - rejection of the pay sender denying - unwillingness to pay for the mesغير مجاز مي باشدe service sent by the recipient Responsibility of the recipient - unwillingness to pay for the received mesغير مجاز مي باشدe service responsibilities There are various insecurity factors in the radio communication network - eg Wireless eavesdropping, identity impersonation, falsification of data and service denials, etc. These security factors directly affect the security of the community, then how to avoid these problems, it depends on the efforts of various manufacturers to study.

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The qualification assessment of security engineering enterprises involves not only standards, norms, procedures, processes, work methods, and methods, but also “policy” and “strategicity”. At the same time, they are familiar with the connotation and characteristics of security projects, and they must be able For security project performance, it is the essence of the assessment work and the most important thing. On the basis of summing up past experience and deficiencies, a brief explanation is given on the part of the performance appraisal of security projects relating to the work of the assessors. It is hoped that this will be of benefit to the qualification assessment of security engineering enterprises.

I. Division and identification of security engineering performance

In the assessment work, to accurately define the performance of the security project, first of all, we must first understand the basic concepts, basic characteristics of the security technology prevention system, the development trend and development direction of the security system, and the relationship with the building weak current system security technology The basic concept of the prevention system: In order to maintain social and public safety, the intrusion alarm system, video security monitoring system, entrance/exit control system, explosion-proof safety inspection system, parking lot (library) management system made up of safety precaution products and other related products are used. An electronic patrol system or the like; or an electronic system or network in which these systems are combined or integrated as a subsystem.

Basic features of the security technology prevention system: It refers to the purpose of security precautions. The special equipment and software with the functions of anti-intrusion, anti-theft, anti-robbery, anti-vandalism, anti-explosion, etc. are effectively combined into an organic whole and constructed into one. An information technology network with integrated functions of detection, delay, and response, referred to as security system. Security prevention is a part of social public safety and it is a branch of social public safety science and technology. Security industry is a branch of the social public security industry. As far as prevention measures are concerned, security precautions include three categories: human protection, entity (material) prevention, and technology prevention. The "security project" discussed in this paper mainly refers to the security technology prevention system project.

With the development of information technology and the improvement of people's living standards, the current security system is developing in the direction of digitization, intelligence, and networking. The integrated, intelligent and coordinated security system has made great progress.

Network products (including network cameras, network video servers, etc.) are the mainstream of development in the past one or two years. The development of intelligence is reflected in the following aspects:

1) The alarm detection device will greatly reduce the false alarm rate (double-technology, dual-function detectors, etc.) through various intelligent ways;

2) Biometrics will increase the accuracy of recognition;

3) A variety of technical means to overcome the difficulty of detecting explosives;

4) Infrared and Doppler radar will track specific targets;

5) Infrared night vision system and laser night vision instrument and thermal imaging passive night vision system can realize night surveillance. (Border defense, oil field);

6) The GPS system can realize the real-time monitoring of the vehicle and realize the anti-robbery and theft prevention;

7) The 3G system will be able to navigate the vehicle and optimize the driving path.

Building weak current system: Weak current system is a relatively strong electric system. It refers to a system that operates below AC 36V and below 24V DC. Of course, sometimes a weak system cannot do without strong electricity. Many central equipments work at AC 220V voltage. . In general, the object of power processing is energy (electricity), which is characterized by high voltage, large current, large power, and low frequency. The main consideration is to reduce losses and improve efficiency. The target of weak current processing is mainly information, ie, information. The transmission and control are characterized by low voltage, low current, low power, and high frequency. The main considerations are the effect of information transmission, such as fidelity, speed, breadth, and reliability of information transmission.

Common weak current systems include: closed-circuit television monitoring systems, burglar alarm systems, access control systems, electronic patrol systems, parking management systems, video intercom systems, home intelligence and security systems, background music systems, LED display systems, plasma Splicing screen system, DLP large screen system, three-table copying system, building automation system, lightning protection and grounding system, paging intercom and professional intercom system, weak current piping system, UPS uninterruptible power supply system, computer room system, integrated wiring Systems, computer LAN systems, property management systems, multi-functional conference room systems, cable television systems, satellite television systems, satellite communication systems, fire protection systems, telephone communication systems, hotel management systems, video-on-demand systems, human resource management systems, etc. In addition, there are video conferencing systems, sound reinforcement systems, patrol systems, building intercom systems, and three-meter (water, electricity, gas meter) automatic meter reading systems. The weak electrical systems that are required for buildings with different functions are different. .

(1) Telephone communication system. Realize the communication function of the telephone (including the three types of facsimile machines, video telephones, etc.); the star topology; use three types (or more) of unshielded twisted pair cables, and the frequency of the transmission signal is within the audio range;

(2) Computer LAN system. It is the network foundation for office automation and various data transmissions; star topology; uses five types (or more) of unshielded twisted pairs to transmit digital signals with transmission rates of up to 100 Mb/s or more;

(3) Music/broadcasting system. Broadcast music through the loudspeakers installed in the field (such as shopping malls, restaurants, rooms, corridors, etc.), and broadcast to the site through the microphone; multi-bus structure; transmission of constant-voltage 120V/120Ω audio signals output from the power amplifier , to drive the sound of the live speakers, the transmission line uses copper insulated conductors;

(4) Cable television signal distribution system. The cable television signal is evenly distributed to all user points in the building. Branches and distributors are used for signal distribution. In order to reduce signal distortion and attenuation, the signal quality of each user site meets the requirements of the specifications and the wiring is a tree structure. And with the form of the building and the user's point of distribution varies; using 75Ω RF coaxial cable, transmission of multiple RF signals;

(5) Security monitoring system. Through the installation of cameras, anti-theft detectors and other equipment on the site, the building's various entrances and exits and some important places for surveillance and abnormal conditions alarm; video signal transmission using a star structure, the use of video coaxial cable; control signal transmission Adopt bus structure, use copper core insulated cable;

(6) Fire alarm system. The system consists of three parts: a fire alarm and fire linkage system, a fire radio system, and a fire alarm intercom system. The fire alarm and fire linkage system monitors the scene through fire detectors and manual alarm devices installed in various places in the building. When there is an alarm signal, according to the received signal, the linkage is made according to a preset program. Equipment to control the spread of fire, its signal transmission using multiple bus structure, but for the transmission of fire control equipment (such as fire pumps, spray pumps, positive pressure fan, exhaust fan, etc.) linkage control signal transmission, sometimes using star type Structure; Fire Broadcasting System is used to direct the safety evacuation of field personnel in the event of a fire, using a multi-bus architecture, using copper-core insulated conductors for signal transmission (this system can be used in conjunction with music/radio systems); fire alarm intercom system for command On-site firefighters perform fire extinguishing work using star-type and bus-type structures. Signal transmission uses shielded wires.

(7) Entrance and exit control system. Use computers, smart card door locks, card readers and other devices to set, monitor, control, and record the status of each entrance and exit to achieve unified management of entrances and exits of buildings and ensure the safety of buildings. The topology and transmission media vary from product to product. ;

(8) Parking fee management system. Through the induction coil installed under the ground of the entrance and exit, it can sense the entrance and exit of the vehicle, and realize the charge and control of the opening and closing of the electric railing through the manual/semi-automatic/automatic charge management system. The system wiring is limited to the entrance and exit of the building yard. Each entrance is controlled by a controller. The controller can work independently, or it can be networked with the superior management computer. Its wiring structure and transmission medium vary from product to product;

(9) Building automation system. Through the various detection and execution devices connected to the field controllers, various environmental parameters inside and outside the building and the working status of various equipments in the building (such as air conditioners, water supply and drainage, lighting, power distribution, elevators, etc.) are tested. , monitoring and control, and through the computer network to connect the various field controllers, reasonable allocation and management of resources and equipment in the building, to achieve the purpose of comfort, convenience, saving, and reliability; in the review practice, the engineering projects of various companies involved The scope of the project is very broad. Weak and light general contracting projects, single subcontracting projects, cable television projects, product sales services, project design, consulting, consulting, supervision services, etc., how to distinguish whether the declared performance is a security project?

1. Information network system, integrated cabling system, cable television system, three-table system, building control system, broadcasting system, fire protection system, video conference system, video on demand, etc., the definition of these systems or sub-projects and security systems Inconsistent characteristics, should not be included in the performance part of the audit, should be removed;

2. Installation and installation of sub-systems and equipments of security projects, especially the transmission and processing systems or equipments (such as optical transceivers and network servers) for monitoring, alarm, and access control, etc., can be treated as performance, but the prerequisite must be between the two parties. Construction and installation contracts, not sub-contracts; and there must be design documents, construction plans, acceptance documents and other related engineering documents as the basis;

3, For the main business is only engaged in security product sales, supply and service protection, the declared project can not be used as security performance;

4. The single design, consulting, consultant and supervision business of security engineering, the contract amount cannot be treated as security project performance;

5. Each user-end installation project of networked alarm engineering and networked alarm engineering can be treated as security project performance;

Second, security project performance review considerations

There are many types of project completion acceptance data for companies, including engineering contracts, equipment lists, design documents, construction organization documents, construction plans, completion reports, inspection reports, assessment reports, and acceptance reports. The contents of the key audit include: engineering contracts, equipment lists, in-depth design plans, construction organization documents, acceptance reports, and other process documents of the project.

1. Engineering Contract Review: Check the signing party of the contract, and pay attention to the authenticity of the signature and seal; check whether the contract content contains terms such as construction and completion acceptance; pay attention to the contract price and project content for the subcontract; Provide the general contract and the contractor does not use the project as proof of performance;

2. Equipment inventory review: The focus is to review the authenticity of the equipment list and the reasonableness of the quotation. For those parts of the contract that are described briefly or not in the construction content description, they should be carefully screened to prevent the contract from being real, but the equipment list is based on qualifications. The requirements of the review were forged. For those in doubt, read the design task book and design plan of the project, and determine the rationality of the equipment list and quotation according to the contract price and the scale of each subsystem. For example: a general contract for a weak project, with a contract price of 5 million yuan. The construction includes the building control system (Siemens), super five-category integrated cabling system (Simon), background music system, security monitoring system, parking lot management system, etc. . The غير مجاز مي باشدt of the security equipment system such as the monitoring system and the parking lot management system is more than 3 million yuan. It is obvious that this situation is extremely suspicious. By consulting the design documents of the project, according to the scale of each subsystem, it can be considered The list of equipment is forged;

3. Acceptance review of project completion: Mainly review the acceptance report or inspection report of the project. For the part-item project, as long as the acceptance content is security project, it is deemed to have the same effect as the inspection report or inspection report;

4. Check the integrity and standardization of engineering data so as to finally confirm the authenticity of the project performance.

Third, the security project level is determined

Level 1 project: First-level risk or investment ≥ 1 million yuan;

Secondary engineering: secondary risk or investment ≥ 300,000 yuan, less than 1 million projects;

Third-class engineering: Grade III risk or investment <300,000 yuan in the above project on the classification of security project rating, the investment amount is divided only for the security project of the sub-division project, non-security project part of the investment should be Excluding; the level of security engineering for cultural and banking systems, banking establishments, etc. can be determined according to the following principles.

1 The division of risk level and protection level of ICBC system: In actual operation, the risk level of both parties in the engineering data or acceptance documents shall prevail, or be implemented in accordance with GA27. The highest risk level of the unit, site and physical object shall be used to determine the risk level and protection level. Engineering project level.

2 Division of risk level and protection level of bank business premises: In actual operation, the risk level according to the classification of Party A and Party B in the engineering data or acceptance documents shall prevail, or be implemented in accordance with GA 38, and the highest risk level of unit, location and physical object shall be determined. The engineering grade of the project.

3 Division of risk class and protection class of important material storage repository: In actual operation, the risk grades of Party A and Party B in the engineering data or acceptance documents shall prevail, or be executed in accordance with GB50348, GA26, with the highest risk of the unit, site and physical object. Grade to identify the engineering grade of the project.

4 The division of risk levels and protection classes for civil airports is carried out in accordance with GB 50348. In actual operation, the engineering level of the project is determined on the basis of the highest risk level of the project. In the review work practice, on the one hand, the six subsystems of the security project (video security monitoring system, entrance and exit control system, intrusion alarm system, electronic inspection system, parking lot management system, explosion-proof safety inspection system, and safety management system) should be closely linked. At the same time, for systems engineering content that is rarely or initially exposed, it cannot be simply affirmed or denied, and correct judgments should be made on the basis of accurately understanding and grasping the definition and connotation of the security technology prevention system.

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Nutrients

Black currant contains very rich vitamin C, phosphorus, magnesium, potassium, calcium, anthocyanins, phenolic substances. Blackcurrant fruit contains a lot of vitamins A, B, C, D, E, F, P, etc., especially vitamin C content is higher than most fruits, several times higher than the content of apples, peaches and grapes A hundred times higher; contains a higher proportion of minerals such as calcium, magnesium, sodium, potassium, iron, phosphorus, and zinc, among which the calcium content is the highest fruit, and is very suitable for calcium supplementation in young children and the elderly. Black currant contains a lot of potassium and magnesium salts. The main function of potassium salt is to strengthen the excitability of muscles, stabilize the cell membrane of heart muscle, and change the law; magnesium salt has certain preventive and therapeutic effects on hypertension and myocardial infarction. When a person is mentally or physically overloaded, a sort of cataract pine material that enters the bloodstream can cause myocardial necrosis. Clinical experts have shown that blackcurrant raisins can produce cortisone by drinking potassium and magnesium. Therefore, it has certain health effects on heart patients. Blackcurrant fruit contains a higher amount of bioflavonoids, which can effectively reduce the degree of arteriosclerosis, weaken the brittle blood vessels, improve the permeability of blood vessels, and prevent atherosclerosis as a substance that delays aging. Blocking the formation of nitrosamines has anti-oxidant effects and synergistic effects with ascorbic acid. Has the effect of preventing and treating cardiovascular and cerebrovascular diseases and has anti-cancer activity, and has a strong anti-cancer health effect.

Researchers have discovered alpha-linolenic acid and gamma-linolenic acid breakthroughs in natural oils extracted from black currant seeds. These two types of linolenic acid not only have platelet aggregation, lower blood pressure, soften blood vessels, lower blood lipids, and prevent and treat heart disease. The role of vascular diseases, but also has a strong anti-cancer, anti-cancer (breast cancer, rectal cancer, etc.) role in the prevention of tumorigenesis, delay aging, regulate human physiological functions, increase the immune capacity has a significant effect, as well as beauty Weight loss.

Medicinal value:

◆Promoting good health◆

Many Dried Fruits have a trick to promote human health, and the nutrients contained in raisins are even more amazing to nutritionists. First of all, grapes are anti-aging. Flavonoids in grapes are powerful antioxidants that can fight aging and remove free radicals from the body. Therefore, eating more grapes can make people's bodies relaxed and stay young. Second, raisins are rich in iron and calcium. They are nourishing to children, women and frail anemia. They can supplement blood gases and warm the kidneys, treat anemia, and reduce thrombocytopenia. In addition, raisins contain a large amount of gluغير مجاز مي باشدe, which has a nutritive effect on the heart muscle and is helpful for the rehabilitation of patients with coronary heart disease. If you eat raisins equivalent to 400 calories a day, you can effectively reduce blood cholesterol, while inhibiting the oxidation of bad cholesterol in the blood. Raisins contain a variety of minerals and vitamins, amino acids, regular food for neurasthenia and over-fatigue have a good tonic effect, or women's diet diet.

In addition, raisins can improve the health of the rectum, because raisins contain fiber and tartaric acid, allowing the excrement to quickly pass through the rectum, reducing the amount of time the contaminants stay in the intestines.

Even more exciting is that raisins contain a component called resveratrol, which can effectively prevent cell malignancy or inhibit the growth of malignant tumors, and can prevent leukemia cell division.

In addition, the fiber in raisins can prevent the conversion of fructose into triglyceride in the blood, which can reduce the triglyceride index in blood by about 16%. Triglyceride is a kind of blood fat that can increase the risk of heart disease. Danger.

◆ blood and qi ◆

Because of the blood loss in the physiological period of one month, women are very vulnerable to mild anemia. Their pale faces and lack of red cheeks look listless and cold. They have cold hands and feet all year round. Grapes can help you recover a good look --- Chinese medicine believes that grapes have the effect of strengthening blood and strengthening Chilean bones and bones, strengthening the stomach and boring thirst, and replenishing qi and urinating water, and nourishing the kidney and liver, so that the grapes can be relieved. Cold hands, back pain, anemia and other phenomena, improve immunity. Women who go to work may wish to eat a small amount of raisins every day. Even after serving for 7 days, they can receive obvious results. It should be noted that cold foods such as melons should not be eaten during taking so as not to affect the efficacy.

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(Samsung Changbae Park believes QLED is the future)

In 2007, Jobs introduced the first generation of the iPhone. Just a year before, Samsung surpassed Sony to become the world's largest LCD TV manufacturer. At the time, Samsung was more famous in the corporate sector because Samsung was a well-known supplier of memory chips. Memory chips haven't received enough attention in the past or in the past. In the mass market, Samsung's popularity is mainly based on slider feature phones, challenging the dominant Nokia and Motorola.

This is a symbolic moment. It stimulates Samsung's growth and gives Samsung confidence. Now that confidence has become Samsung's DNA. Today, only Samsung can compete with Apple in the smart phone market, and its memory chips have also created a lot of cash.

Samsung still ranks first in the TV market. According to Statista's report, Samsung LCD TV accounted for 21.6% of the total in 2016, which is almost twice that of LG and LG only 11.9%. Samsung is also the largest supplier of smart TVs. Samsung's Visul Display (Samsung's own TV department) is proud of this, although the higher profit margins in the mobile and semiconductor sectors have made the television business a little bleak. Once upon a time, Sony dominated the field of CRT television for 35 years. Compared with that period of time, there has clearly been a tremendous change in technology and society in the past 10 years.

Smartphones have emerged over the years. It has changed the way content is consumed and changed consumer expectations. Flat-panel displays are evolving. Samsung is heading towards QLED and has established B2B Display. Not only that, Samsung also embraces AI, big data, and cloud technologies. As new data emerges, new services can change their use when devices are grouped together. For Samsung, global leaders must set new goals and new issues need to be faced.

Samsung believes that consumer expectations are changing. Brighter image rendering screens and data-intensive services have emerged. We are at the dawn of “model conversion,” which will redefine television. Recently, executives at Samsung's Visul Display Division were interviewed by ZDNET about the challenges of Samsung TV.

(Newly Launched Surface QLED TV)

OLED is dead, OLED is the future

Consumers always hope that the connection speed will be faster and the storage capacity will be bigger. Similarly, they also hope that the TV picture will be more realistic. In 2015, Samsung introduced quantum dot (QD) LCD TVs, which at the time were called SUHD, which now became QLED. Changbae Park, senior manager of Visul Display's product strategy team, believes that QLED represents the future.

Just a few years ago, Samsung strongly promoted OLEDs and competed with LG TVs. It seems that OLED is the next big battle. In the TV market, Samsung and LG competed for half a century.

This was indeed the case before Samsung introduced QD LCD TVs, which later changed. In simple terms, QD LCD TVs place the QD film on top of the LCD, providing more accurate color and coverage. Ten years ago, Samsung began to study core technologies around QD materials. In 2013, Sony abandoned QD LCD because it used **, and ** was harmful to the human body. Samsung decided to overcome this defect. In 2010, Sony also abandoned OLED. In 2007, it was the first to introduce OLED TVs.

Parker said: "We think OLED is dead. There are many fundamental problems with OLEDs, such as burn-in. If the TV screen exceeds 65 inches, the problem is even more serious and difficult to overcome. Its brightness is limited and it does not meet the requirements of HDR."

"Choice is not easy or difficult, because you have to do this. If you think about what consumers want, you will find our choice is reasonable." Parker said, "Samsung will never return to OLED, I do not dare to make such an assertion. As a leader, OLED is an unreliable choice, and now is the case, and the future is also."

The use of organic materials for OLEDs has limited screen life and burn-in problems. Parker said: "You ask retailers, they all know that burn screen problem."

QLED uses inorganic materials and is more stable, so there is no such problem. Parker added: "We believe that eventually the OLED camp will turn to QLED and follow our steps."

“Inside, we developed a roadmap. I don’t want to tell you when, but we’re moving towards better technology that is more complex and uses self-luminous quantum dot diodes. It will come more than people expected. Faster."

Afterwards, there is no backlight and the QD material emits light.

brightness

OLED has a key advantage over QLED, which is its black level. Parker admits that OLEDs have higher black levels than QLEDs in dark environments, but most people will not watch TV in dark environments.

Samsung investigated television owners in five countries, including South Korea, the United States, Germany, Mexico, and Vietnam. Samsung asked those who bought the TV within three months and asked them in which environment they would like to watch TV: watching the lights in a brighter environment; watching in a dimly lit environment with adjustable lighting; Watch in a dark, off-light environment.

In Korea, 46.8% of people like to watch in a bright environment, 32% will dim the light, and 21.2% will turn off the light. The United States was 16.4%, 49.6% and 34% respectively. In Germany, it was 17.2%, 56.8%, and 26%; Mexico was 16.8%, 41.6%, and 41.6%, respectively. Vietnam is 46%, 46.8%, 7.2% respectively.

In general, more than two-thirds of ordinary users will turn on the lights, or dim the lights without completely shutting down.

Only when the lights are all off when the OLED's black will be very good, Samsung believes that this advantage is insignificant. The IES (Illuminating Engineering Society) and DIN (German Institute of Standardization) recommend that users adjust the living room to a range of 50-100 lux, and the Korean Standards Committee recommends adjusting it to 150-300 lux.

Parker thinks there is a problem with the current TV test method. The new method requires testing in a dark room, which is almost as dark as a movie theater. He said: “Most consumers watch TV in a bright environment. Can’t professional evaluation methods change?” Some people think that standards should change. Parker is one of them. They think that the evaluation screen should consider the use of users. surroundings.

Samsung has now fully accepted HDR technology. At the beginning of the year, it reached a cooperation with Amazon in the field of HDR10 and is now cooperating with Hollywood to make HDR10 the standard technology for film production.

Parker said: “In the display, broadcast, content, and film industries, people’s interest in HDR is getting deeper and deeper. To make HDR work to its full potential, lifelike quality is the key. Everyone needs a wider color gamut and needs more. The brightness will be higher and higher, the color gamut will be wider and wider, QLED (Samsung said its brightness can reach 2000 nit) is the only technology that can achieve the goal.QLED can also reduce the reflected light to the lowest level, Black will be optimized for viewing in a bright environment."

In 2016, QLED TVs accounted for 6% of Samsung's global shipments. It accounts for 16% of revenue and 27% of profit. The proportion has almost doubled this year. By the end of June, QLED TVs accounted for 10% of shipments, accounting for 23% of revenue and 38% of profits.

Parker said: "Since 2015, the production yield of Samsung quantum dot materials has improved rapidly. Like previous LED TVs, the غير مجاز مي باشدt of QLEDs is getting lower and lower, consumers are increasingly like it, and it will eventually become a mass product."

Kim Hyun-suk, president of VD business, is the top leader of Samsung TV business. He said: "We believe that QLED is the future of television and the industry will follow. The current development is fast, and in order to further accelerate the speed, we will keep it good. State, continue to be the world's largest TV manufacturer."

(Sangsook Han and her team believe that smart TV is the content center)

trial

In 2010, for the first time, Samsung put the program store into aggregating television. In the second year, it named the TV as a smart TV. Sangsook Han said: “The program store can be used on mobile phones. We thought at the time: 'Why not have a smart TV?'” said Sangsook Han, vice president of service business team at VD. He said: “In the beginning, we really wanted to develop smart phones. The same TV, I think a lot."

“However, the use of television and the use of smart phones have different expectations, which we do not consider well.” Said Sangsook Han, “This is a learning process. Looking back at that year, I think the trial is worth it. It did not work for Samsung. Bring more profits, but it tells others that we are leaders and want to try something new.”

From the very beginning, everyone reacted sloppyly to the smart TV. People think that smart TVs are just gimmicks, and their functions are too simple and do not match human-computer interaction. At that time, the demand for smart TVs was not large, much worse than today.

Han said: “Consumers really want to connect to the Internet on TV or use web-based streaming services. People know they need water. The question is whether they need hot or cold water. Is it a bottle or a cup? How can this be achieved? Is the key?"

Samsung continues to experiment. From the very beginning, Samsung only put smartphone features on TV. It created new services that take into account hardware capabilities. Samsung added Family Story, a photo app that allows families to share photos. In 2012, Samsung added a camera to allow users to see their fitness action on the TV. Later, the camera was removed because of privacy violations. In 2013, Samsung launched HiTV, where users can talk to TV, but the conversation is simple. Han said HiTV is ahead of the curve. Unfortunately, these services are short-lived and do not last long.

Han said: "We realize that consumers don't want new things. Really. We also found that television is just watching the media, not using media. TV is more passive and not active. It seems to be a bit behind the gun, but there are indeed such needs: 'I hope there is a calendar on it.' or something like that. It's just that we found that once such a function is implanted, it can't be successful at all."

“We learned some of the most important lessons: First of all, don’t forget the main function of TV. It is the product of watching content. Consumers need media content. Media content is more important than other things. Second, consumers cannot watch TV. As a rule, users will watch more or less on the sofa and look backwards.Many people find it difficult to use the function.If you ask consumers to become more intelligent, then this type of television cannot be called a smart TV. You must allow users to stay where they were originally, not change their use methods and needs. We hope that interactive participation is very easy."

(Samsung has improved UI)

New ideas

In the past 11 years, Samsung has made great improvements to the internal art of television. Not only that, quality, intelligence, design, and appearance have become more important.

Parker of the product strategy team said: "When we are fast followers, it is very easy to do it. We think everything is logical, and we just need to increase the image quality steadily. Now everything needs to be restructured."

"In terms of product strategy, we re-raised the concept. We jumped out of traditional television to see issues and pay attention to new values, which is the new value of television in consumer life. Because of this, we will observe the consumer lifestyle. The shape of the design has been deeply thought, and the final design and appearance will become part of the lifestyle. Now the picture quality is no longer the only concern, but also concerned about the form, care about what TV can do.”

The reason why Samsung has advanced technology is not natural. In 2006, Samsung surpassed Sony with its Bordeaus TV. The Sony TV's frame design was inspired by the Crystal Spill Cup. Since then, the focus of design has shifted to the shape.

With the advent of curved television, the shape of the TV has changed for the first time. Samsung first installed a curved screen in its flagship product. Just this year, Samsung launched Frame TV, a picture frame TV that can be placed on a table or on a wall.

Han said: “There are many places where Frame is unique, not just appearance. It is also a painting. Users can decorate their houses with TV and turn it into a gallery-like thing because our products are of good quality and have intelligent functions. This idea can become a reality."

In 2015, VD launched the B2B Display business and now pushes QLED Signage. QLED screens can be used as barber shop mirrors. In the Safety Truck concept, Samsung put the screen into the truck, and the rear car could see the front view of the truck on the screen. Huge LED screens are installed in stadiums and movie theaters, and flexible displays are used in prototype products. However, the low yield rate makes the products difficult to use.

"These projects have nothing to do with profits and are related to leadership. We want to build something new, put it into use, and see if they work."

Parker continued: “Samsung has been a television leader for 11 years in a row. This is partly because we are constantly looking for new users. Technology and innovation are very important. These projects are not gimmicks. They are experiments. There are many experiments that failed. But it doesn't matter. The point is that we continue to try and find what consumers want."

(Frame TV is the frame when not in use)

What is TV?

Some people may say that since the 1990s, there has been little change in the function of television besides quality. From Kennedy’s speech on the crisis in Cuba to Simpson’s interrogation, television has always been the “kingdom of the family” and families sit together to watch and learn about new things happening in the world.

Today, smart phones are the main content consumer devices. Samsung is also changing. In the past, it had adopted a TV-centric Internet of Things strategy. Now it wants to balance a variety of devices, including televisions, home appliances, and smart phones, and treat them equally. Samsung has announced that it will add more AI and voice recognition capabilities to home appliances. What will happen to television in the next five years?

Han said: "Today's TV is different from the old TV. In the CRT era, people will watch 3-4 hours of TV. Today's consumers only buy a TV? The TV has different sizes, from 20 inches to 70 inches. Are people enjoying family time just as they have in the past? Is our house the same as in the past? Is it the same way people use TV? When you look at a rapidly changing market, these issues are worth considering.”

"In the remaining 20 hours, what kind of role the TV will play is what we have to think about. We only have 4 hours a day to watch. We will portray the TV as a screen that can add new features. It can not only be placed in the living room. It can also be placed in unexpected places, used as a window, picture frame, music player, and placed outdoors."

(The line between devices is becoming more and more blurred, and television will enter life in an unexpected form)

"In 5 years, I think TV may not call TV again. It will become a smart device. Don't be wrong. People want to get better picture quality on the big screen. This point has not changed. Everyone's interest Not diminished. About 60% of all TVs today are smart TVs. Monitors and tablets also do what TV does. Devices are aggregated and not aggregated before."

"Services, technologies, and platforms are primarily for one purpose: giving consumers a better experience. This is the key."

Will Bixby be installed in TV next year? Han declined to disclose. Samsung Mobile CTO Injong Rhee said that Bixby will pack devices outside the smartphone. Samsung Mobile Director DJ Koh said that the company will launch Bixby service in China and connect Note 8 to TV. He did not disclose details.

Samsung’s internal communication methods have also changed, Han said. Now that communication is more forward-looking and more positive, it can quickly respond to changes. Take Frame TV as an example, the sensor it installs is manufactured by the semiconductor sector.

(Supply chain management system is the key to Samsung's success)

Han said: "Communication within the enterprise has clearly improved. Consumers have a demand for convergence. We follow demand. 'We must sell television.' Now that the VD department is no longer thinking this way, the department is now more concerned about this issue: 'How functions can help consumers Integrate experience?'"

Samsung attaches great importance to the opinions of consumers. In the first half of this year, VD completed 80 consumer survey projects covering North America, Europe, the Middle East, CIS countries, Southeast Asia, South Korea, China, and India. Samsung also conducted surveys in the form of interviews with focus groups to investigate users' homes.

“What consumer needs are not met and what pain points we have, we want to find the answer. The answer will become the seed and give birth to the prototype product. The prototype product will be lent to the consumer and we will evaluate and see what makes sense for the user’s life. ”

Samsung has extensive experience in supply chain management. In South Korea, Samsung's inventory management system is very famous. Samsung developed a rigorous agreement to inspect the remaining inventory. There are 13 distribution methods for TVs to choose from.

Samsung CEO Kim said: "Consumer behavior is changing rapidly, so I can't say that TV will always be the content center. The test service launched at the beginning of smart TV may be revived, but the way will evolve to reflect the changes in the market."

“We have been leading the television industry for 11 years and will be at the forefront of the future to make a difference for meaningful change.”

Han said: “In 2018, there was a key word that was emphasized by the company. It was 'individualization.' We also have some important products to launch. It is the result of various business cooperation. TV is no longer a king, and mode changes are within easy reach. TV will play a more important role in the future."

PISTON

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