At present, OLED display technology has been applied in iPhone X and accounted for more than 50% of the market in high-end TV. The enthusiasm for OLED construction in China and South Korea continues to rise, but due to the slow release of China's OLED production capacity, mobile OLED panels are still basically South Korea's Samsung monopolizes, while high-end TV OLED panels are monopolized by South Korea's LG. In order to reduce the dependence on Samsung's display panel, Apple actively developed a new generation of display technology Micro LED through the acquisition of Luxvue. However, due to the many problems that MicroLED still has to overcome, GGII expects that the commercialization of MicroLED still takes three to five years.
However, with the market's higher quality requirements for displays, such as wider color gamut, higher resolution, and increased demand for thinner and lighter, the QLED display of the Mini LED backlight has emerged. GGII expects the application market size of Mini LED to reach 500 million yuan in 2018. Mobile phone backlight will be the leader of Mini LED application. As the cost decreases, Mini LED will gradually penetrate into the display and medium-sized backlight.
In the backlight market, because Mini LED backlight technology can realize flexible display of OLED, and has wide color gamut, no border and other functions, at the same time, Mini LED backlight adopts local dimming design, which brings another advantage to LCD is more elaborate. HDR partition. The scale and fineness of the LCD on the HDR partition is actually the scale and fineness of the backlight brightness area adjustment. Therefore, there will be opportunities to use in mobile phones and TV applications.
GGII compares the Mini LED backlight with the technical features of the LED+LCD and OLED backlights currently on the market. By comparison, the Mini LED has obvious advantages. GGII indicates that Mini LED+LCD is the choice of domestic mid-range mobile phones, and the market is huge. It can be seen that the Mini LED has a broad space for development in the field of backlight applications.
For the Mini LED backlight, many companies have begun to layout. Guoxing Optoelectronics recently responded to investors' questions on the interactive platform, saying that the company is actively developing Mini LED backlights, accelerating cooperation with international manufacturers to develop backlight applications of various sizes such as mobile phones and TVs. It is expected to achieve mass production in the second half of the year. Gaogong LED understands that Guoxing Optoelectronics' first Mini LED adopts integrated packaging technology, which breaks through the traditional design thinking and combines the advantages of SMD and COB to solve the ink color consistency, light color consistency, stitching seam, light leakage, Maintenance and other issues, at the same time, multi-dimensional reduction of the manufacturing cost of LED display.
It is understood that Guoxing Optoelectronics Mini LED backlight application products have the following advantages:
1, Mini LED backlight can achieve ultra-thin display. National Star Mini LED + COB packaging technology can be used for TV, notebook /Pad, car display Mini LED backlight to achieve OD3mm or less; can be used for mobile phone Mini LED backlight to achieve OD0.5mm or less.
2. The Mini LED backlight enables the display to display a wider color gamut. Its Blu-ray Mini LED+QD Film can achieve color gamut 100%Rec.2020. Compared with ordinary LED TVs, only 72%, the first generation of high color gamut TV has 82%, the second generation of high color gamut TV has 82%, OLED TV can be 100%, Mini LED backlit quantum dot TV can achieve 110% of Rec.2020 display.
3, Mini LED backlight can achieve fine dynamic regional control of the display, to achieve HDR. National Star's Mini LED Chip B+ COB technology allows the display backlight to be partitioned into a number of individual units, each with an independent control system. It can control the switch and brightness of the corresponding backlight area in real time according to the bright and dark fields in the screen of the TV signal, so that the black in the picture is blacker, the white is whiter, the contrast is stronger, and the picture is more vivid and bright.
4, Mini LED backlight can be flexible. National Star's Mini LED Chip B+ COB technology can be combined with a flexible substrate for surface display.
5, Mini LED backlight display cost-effective. The price of the Mini LED backlit display is reduced by more than 40% compared to the same size OLED.
6, National Star Mini LED chip has a variety of optional small chips and its Bonding module has high yield, efficiency, and repair. National Star Mini LED solid crystal, using special technology, can avoid the short circuit of the chip due to brush tin, tin tin offset, and eliminate the need for expensive high-precision brushing equipment!
7. The National Star Mini LED backlight can control the uniform light output with a small mixing distance. National Star uses a specially processed Mini LED chip to reduce the front light, allowing more light to come out from the side of the chip, and the light mixing is more uniform.
8, National Star Mini LED backlight ultra-thin COB packaging technology. Lens mode package can adjust the lens thickness: 0.5~0.15mm; can be repaired at a single point; can achieve OD3mm or less. The whole package can be molded at one time to accurately control the thickness of the package; it can be ultra-thin, the thickness of the colloid is less than 0.3mm; the top colloid can be partitioned to reduce the thermal expansion stress; and the OD1mm can be achieved.
Dr. Li Cheng, the director and deputy general manager of Guoxing Optoelectronics, said: “By benefiting from the technological advantages of Guoxing's small pitch and the forward-looking technical reserve of Guoxing Micro&Mini LED Research Center, the corresponding technical solutions have achieved remarkable results in the industry. Regarding the reliability of the concern, Guoxing can control the failure rate to 0% by optimizing the substrate design and packaging process. It is believed that the National Star's Mini LED technology will continue to lead the next display era."
Strain/flex Reliefs And Grommets
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