[Text / high-tech LED Gan Qin] In recent years, LED TV LCD TV technology has become more and more mature, price decline, manufacturers strong promotion and other factors, LED TV has almost reached full popularity.
However, in the LED backlight source, especially the large-size backlight market, subject to the core technology, key patents and other factors, the domestic large-size backlight market is relatively small, and the domestic backlight is still mainly small and medium size.
According to the survey of the GGII research institute, the LED backlight market has matured from the overall market. The market for the backlight industry has been relatively limited in the future, and the industry as a whole will enter a period of slow development. For domestic enterprises, there is still room for development in the future large-size backlight market.
Power point technology
From the perspective of domestic enterprises, at present, Ruifeng Optoelectronics, Jufei Optoelectronics, Dongshan Precision, Yimeixinguang and Zhaochi are among the top five backlighting device suppliers in China. Some of these companies can produce backlights.
Liu Guoxu, CTO of Yimeixinguang, said that in the supply of LCD LED backlights, the company took the lead in making large-size LCD backlights and became the first company in China to launch quantum dot TV, leading the global color TV industry into a new quantum dot era. Become an excellent supplier of domestic first-line brand TV manufacturers such as TCL.
"The color of the high color gamut is the most basic viewing experience of LED TV. We will spare no effort to use our unique backlight technology to support the display industry." Liu Guoxu said that the advent of quantum dot TV has completely changed the development direction of color TV display technology.
In addition, from the perspective of product layout of foreign companies, giants such as Samsung and LG have also announced that Quantum Dot TV will enter China this year.
Samsung executives responsible for the display business said that "quantum dots" can filter and purify the LED backlights in LCD TVs, thereby greatly improving the picture quality of LCD TVs. This technology is suitable for all liquid crystal display products. These include TVs, tablet screens, smartphone screens, and more.
However, the above-mentioned executives admit that in the LCD screen of the TV, the price of the quantum dot TV is higher than that of the traditional LCD, and the market penetration rate is not high.
Straight down into the mainstream
From the perspective of the backlight module, the current LED backlight architecture is divided into two main types: direct type and side entry type.
Li Shengfa, senior analyst of GGII, said that the direct type has obvious advantages in terms of energy saving and image quality (achieved by high contrast, area control, and scanning backlight), but it is difficult to realize ultra-thin design at present; Design is easier to achieve, but performance in terms of image quality and energy efficiency is worse.
In addition, Li Shengfa also said that from the cost point of view, because the side entry type needs to set the light barrier, the cost is higher.
Two years ago, because many consumers care about the thin and light characteristics of TV sets, the side-lit white light that can achieve ultra-thin technology has become the mainstream of the market. However, this situation may change. Li Shengfa said that from this year's market feedback, The amount of direct type has far exceeded the side entry type.
Dongguan Heding Circuit Co., Ltd. will use the substrate for TV backlight as a key development direction in the future. Wen Kemin, general manager of the company, said, "From the perspective of the company's aluminum substrate shipments, most of them focus on direct-lit backlight products."
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Wen Kemin said, "In fact, consumers are not as sensitive to the thickness of TV as mobile phones. After all, mobile phones are held in the hands, and TVs are hung on the wall, whether it is linear or side-in, compared with the traditional ones. It’s thin.â€
“Therefore, consumers will not deliberately pursue the level of thickness when purchasing.†Wen Kemin said that in terms of cost and process maturity, direct-down is more advantageous, which is why direct-down has become the mainstream of the market.
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