New challenges for small-pitch LED electronic display driver chips

At the beginning of the new year in 2016, all LED display manufacturers are aiming at the small-pitch LED electronic screen market to open up new profit points. Due to the increasingly fierce competition of conventional LED series products, transformation is just around the corner. LED electronic display manufacturers can use the Eight Immortals to cross the sea, each display Supernatural powers to describe. The success of small-pitch LED electronic screens is inseparable from the support of supporting products behind the opening, among which driver ICs are particularly important. However, the rise of small-pitch LED electronic screens has also brought many new problems to driver ICs. Around these problems, the innovation and transformation of driver ICs has quietly accelerated the success of small-pitch LED electronic screens. Among them, the driver IC is particularly important. However, the rise of small-pitch LED electronic screens has also brought many new problems to driver ICs. Around these problems, the innovation and transformation of driver ICs has quietly accelerated. The development of small-pitch LED electronic screens in recent years can be described as advancing by leaps and bounds. The technology continues to mature and improve. On the basis of high-quality display images, it is moving towards excellence, extreme and perfection; the cost and selling price are falling rapidly, and the market accepts it. The degree has been significantly improved, the application field has been continuously extended and expanded, and it is shining brightly in the commercial field. More consumers are beginning to understand, know and appreciate small-pitch LED electronic screen LED products. Zhang Zhe, LED display market manager of Beijing Jichuang North Technology Co., Ltd., believes: "The small-pitch LED electronic screen brings two challenges to the driver IC: 1) cost, in order to achieve high refresh rate and high gray level indicators in the 32-scan driver circuit, A PWM driver IC with built-in SRAM must be used, which greatly increases the cost of the driver IC; 2) Due to the parasitic capacitance effect of the LED lamp and the row driver circuit, there are many problems of low gray effect in the small-pitch LED electronic screen, For example, the first dark problem that plagued the industry in the early days, the most difficult high-contrast coupling problem in the later stage, and the cross-board chromatic aberration problem.” Luo Jikang, director of LED display chip products of Macroblock Technology Co., Ltd., believes: "Basic driver ICs cannot realize high-quality picture display of small-pitch LED electronic screens, and the seven major problems of small-pitch LED electronic screens (white balance, color shift, text ghost shadow, low gray unevenness, dark first line scan, gradient dark line, LED dead pixel cross and high contrast interference) can only be solved by high-end driver ICs; SSOP-24 and QFN-24 packages cannot solve the problem For the wiring problem of PCB boards with smaller dot pitches (below P1.5), multi-channel driver ICs will become an inevitable choice.” said Chen Riyi, technical director of Hangzhou Videochip Technology Co., Ltd.: Refresh rate, elimination of various impacts on the display effect caused by the possible open and short circuit of the scanning drive and LED lamp beads, as well as controlling the power consumption and electromagnetic characteristics of driving the LED lamp beads to effectively emit light, etc., all put forward higher requirements. Yan Qi, deputy general manager of Shanghai Debei Electronic Technology Co., Ltd., said: "Small-pitch LED electronic displays require driver ICs to improve performance indicators and technical parameters on the basis of general-purpose basic ICs, and add some new functions, such as eliminating up and down. The smear function, the elimination of caterpillars, etc., and the driver IC is required to be smaller or more integrated." Zhao Yichen, general manager of Suzhou Riyuecheng Technology Co., Ltd., believes: "The key challenge is how to support the realization of small-pitch LED electronic screen displays. Accurate color temperature control, color reproduction and energy saving” Some people in the industry believe that the driver IC has a certain mission. Whether the small-pitch LED electronic screen can continue to develop and develop better, the driver IC is of great significance. The author believes that challenges are also opportunities. Small-pitch LED electronic screens not only bring many challenges to driver IC manufacturers, but also provide them with an excellent stage for innovation and change. If you seize the opportunity, you may gain There is no shortcut to success, but success requires opportunities. Only by continuous innovation and change can IC manufacturers stand in the forefront in the era of small-pitch LED electronic displays. Only by continuous innovation and change can IC manufacturers seize opportunities and achieve success. .