Micro LED gradually overcomes the bottleneck of mass production. Many commercial products such as public billboards and TV sets have come out one after another, even close to the mass production stage. For example, LED driver IC factory accumulated and PCB factory Xinxing successfully developed the first piece on the PCB. Complete the massive transfer of Micro LED samples. The Taiwan Circuit Board Association (TPCA) said that printed circuit boards also played an important role in the introduction of Micro LEDs into applications.
TPCA analysis, the principle of Micro LED display technology, is to move the micron-level RGB tri-color Micro LED chip to the substrate, in addition to the contrast, brightness, reaction speed and other advantages in the image, but also because there is no backlight for self-luminous The characteristics are therefore more energy-saving, simple in mechanism, small in size, thin and so on, and become one of the key technologies for the active layout of display manufacturers in various countries.
In the past, the main reason for the long-term commercialization of Micro LEDs was the technical bottleneck of huge transfer. If the LED crystal size is less than 5 microns, the transfer cost is more than four times the cost of the chip.
As more manufacturers invest in massive transfer studies, such as Luxvue (Apple), X-Celeprint, ITRI, eLux, etc., whether using low-melting bond materials or pressing heads to achieve the purpose of grabbing LEDs, There is a certain degree of progress, so progress in commercial use will be faster. Among them, the public information display is regarded as the current popular market for Micro LED applications, which can account for about 20% to 30% of the public information display billboard market.
PCB substrate is regarded as the largest application value of the future Micro LED. One of the markets, such as Sony’s CLEDIS large display, Samsung’s 146-inch The Wall large billboard, uses PCB as the backplane of the Micro LED.
Post time: Jul-24-2019