Li Mingxu, Marketing Director of Color TV Products, Samsung Electronics China Headquarters
Adjust backlight brightness according to the environment
In 1996, Samsung proposed a “green strategy†and has been committed to the greening of production engineering and products, and has achieved great results. Thanks to advanced energy-saving technologies, Samsung LEDs achieve nearly half the energy savings compared to traditional LCD TVs. The power consumption of 55-inch LED TVs and 32-inch CCFL LCD TVs is basically the same.
In 2009, Samsung Electronics launched a new series of 9 new LED TVs in the Chinese market, becoming the first TV manufacturer in China to realize the large-scale marketization of LED TVs.
In 2010, Samsung continued to increase its investment in energy-efficient TV and energy-saving technologies. Taking the Samsung C7000 series as an example, the internationally advanced double injection molding process is adopted to effectively eliminate harmful volatiles. The C7000 series is also equipped with an Eco environment sensor function, which automatically adjusts the backlight according to changes in the external environment, making it more green and comfortable. In the lively and bright living room, the Eco sensor adjusts the screen to a high level to satisfy the full and high mood of family reunion; in the warm bedroom, by sensing the indoor lighting, the screen brightness is automatically adjusted to a soft light, creating a comfortable rest atmosphere.
Gao Ming, Manager of Home Products Display Division, Sony China Ltd.
Equipped with smart status sensor
As a high-end model of Sony 3D LCD TV, NX810/710 adopts dynamic and bright LED backlight, which not only makes the body slimmer, but also reduces energy consumption more effectively. According to the Zhongguancun online professional website evaluation, the power consumption of the TV can be reduced by about 10 watts after the energy-saving mode is turned on without prejudice to the viewing effect.
Take the Sony flagship model LX900 series as an example, it is equipped with a new intelligent state sensor, there are three energy-saving modes for consumers to choose. In the strong energy-saving mode, the TV will be turned off quickly when the sensor does not recognize the face; in the standard mode, when the sensor does not recognize the face, the screen will be automatically dimmed, and the image will be turned off after a certain period of time; in the comfort mode, The consumer can set the time for the automatic shutdown when the sensor does not recognize the face. In addition, the intelligent position sensor's intelligent positioning optimization function can adjust the video and audio balance by detecting the viewer's viewing position, thus effectively reducing power consumption. The distance alert feature helps children maintain a scientific viewing distance to protect their vision.
Li Wei, Executive Deputy General Manager of TCL Multimedia China Business Center
Natural light frequency conversion to improve product energy efficiency ratio
For tablet energy efficiency, TCL began using natural light technology two years ago. The natural light technology is intelligently controlled by the chip, according to the color and darkness characteristics of the picture signal, actively adjusts the backlight of the liquid crystal panel by the area, and through the optical path innovation, the LCD TV is processed into circular polarized light with the same principle as the natural light, reducing energy consumption. At least 54%.
At the same time, combined with the promotion of energy-saving technology, TCL introduced ultra-thin inverter TV. By referring to the frequency conversion technology of air conditioners and refrigerators, the TV has formed the industry's leading five frequency conversion core technologies.
The low voltage start frequency conversion technology makes the TCL frequency conversion TV widen the voltage adaptation range, and solves the trouble caused by the voltage fluctuation while saving energy; the voltage intelligent adjustment frequency conversion technology enables the TV to realize energy saving on the basis of the improvement of the picture quality; the current constant frequency conversion technology, It can effectively extend the service life of internal components; dual power management frequency conversion technology allows the TV to generate only 0.1 watt of power in standby mode, which is more energy-saving and safe; and natural light frequency conversion technology converts linear light with greater damage to human eyes into protection. The natural light of the human eye, high efficiency, energy saving, eye protection, and improved picture quality.
Hu Jianyong, deputy general manager of Hisense Electric Marketing Co., Ltd.
Integrated design to improve power efficiency
In recent years, Hisense's green development concept has been integrated into the company's research and development, procurement, manufacturing, and service. The LED TVs such as Smart TV and Lanqing series launched by Hisense have energy-saving effects from “dynamic backlight control technologyâ€, “low-power standby design technology†and optimization of the whole system design, which can be realized compared with ordinary LCD TVs. The average energy saving is 40%.
For the implementation of tablet energy efficiency, Hisense has mainly made four technical improvements: First, CCFL products, through module independent design, optimize backlight, reduce screen power consumption; Second, LED products, through planning, using modules Advantages of independent development, increase the proportion of LED backlight products, and improve the overall energy efficiency level; Third, reduce system power consumption through system design, improve power efficiency and reduce power consumption through integrated design; Fourth, through resource optimization, achieve Improve energy efficiency levels.
Overall, the green energy-saving technology has enabled Hisense to significantly reduce power consumption in power supply design, system, low standby power consumption, and power supply.
Wang Lianghai, Vice President of Tongfang Co., Ltd.
Intelligent control system reduces consumption
Tsinghua Tongfang TV is the first flat-panel TV enterprise in China that can realize intelligent standby, intelligent mobility, intelligent energy saving, intelligent and efficient power conversion. Tsinghua Tongfang TV is based on the self-developed "GME Green Digital Engine Chip" as its core, providing a powerful "core power" for "smart and efficient system energy saving". The chip was jointly developed by Tsinghua Tongfang TV in conjunction with the National Polymer Physics Laboratory of Tsinghua University and the Digital TV Transmission Technology R&D Center of Tsinghua University. This high-end technology chip improves work efficiency and saves energy.
What is more beneficial to consumers is that the GES energy-saving power system with “smart and efficient system energy saving†can increase the power conversion rate to 90%, reduce the power consumption of the power system itself and realize smart standby, and the energy consumption of Tsinghua Tongfang TV in standby state. Only close to 0 watts.
The conversion rate of the power supply refers to the ratio of the input current converted to the actual output. The lower the ratio, the more energy is converted into heat and wasted, so the higher the conversion efficiency, the more power is saved. At present, the energy conversion rate of power supply in mainstream flat-panel TVs is about 70%. According to the energy efficiency standards of European and American PCs, in fact, the energy conversion rate is only 80% or more to meet the standard of “energy-saving starâ€. The power conversion of GES energy-saving power system of Tsinghua Tongfang TV The rate is as high as 90%, which is a veritable energy-saving king.
At the same time, the green backlight system in “Intelligent and Efficient System Energy Saving†also has the function of automatically adjusting the brightness of the backlight. When the TV image information input signal is a large-area bright field picture, the system will intelligently reduce the brightness, protect the eyes, and contribute to energy saving.
"Intelligent and efficient system energy saving" is a tool for integrating and saving energy in LCD TVs. It will bring more power to the GME green digital engine, GES energy-saving power system and AGT ultra-energy-saving screen "three swords in one". AGT ultra-energy-saving LCD screen reduces the backlight source by “high-transmission glass substrate to enhance backlight pass rate, high-efficiency low-temperature energy-saving lamp to improve luminosity, and high-efficiency backlight film to enhance light source recycling rateâ€, which greatly reduces the use of backlight. Electricity to help the family save energy.
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