Technology re evolution, LED display towards high resolution

With the rise of the application of digital billboards, the market demand for high-precision LED display continues to improve, including financial, transportation, entertainment, sports and other fields can be seen in the LED display traces. According to the engineering LED Industry Institute (GLII) statistics show that in 2012, production scale Chinese LED display industry was 24 billion 100 million yuan, an increase of 10%, the next three years compound growth rate will remain at 10-20%, in terms of price, the 2012 LED panel prices continue to decline, compared to the same period last year fell about 15-20%.

In product development, LED display mainly outdoor P10, indoor P4 products represented. With the market increasingly high demands on the screen of LED display products is moving in the direction of development clear, fine and smooth evolution, this is also the LED package, drive control, put forward more severe challenges and cooling system design.

Drive IC package towards miniaturization

First of all, the LED display driver IC package type must gradually miniaturization and serialization. The driver IC market on the use of SSOP-1.0mm and SSOP-0.635mm of the two package, the two packages are developed by the Japanese Toshiba Co, because of its small and suitable for wiring and other advantages, and started earlier, therefore occupy a dominant position in the market, is the main form of the packaging industry.

In the LED display driver IC market, Polytron Technologies Inc is a very important accumulation of manufacturers. According to the survey report IMS Research pointed out that in 2012 the accumulation of LED display driver IC's market share for the first in the world, the company's overall product, applied to the LED display driver IC overall revenue accounted for more than 90% of the proportion, if all the revenue contribution proportion in mainland China market accounted for more than 2/3 of the proportion of accumulation of revenue. The rest is to Europe and America market.

Pointed out that at the present stage, the market price Chinese terminal product is serious, resulting in LED standard display profit is increasing pressure. In particular, the average price of LED display related IC products (ASP) will be 20% per year of decline, so the cost of control has become one of the key measures to create profits for manufacturers. The cumulative approach is to turn the manufacturing process from 0.8 microns to 0.3/0.5 microns, through the transfer of technology to carry out cost control. The accumulation of this year also plans to make further development in the high-end product line, PWM is expected to drive IC and other high-end product line revenue ratio will increase to 3 percent, in addition, the accumulation will also actively layout lease screen and ultra dense screen and other emerging applications market.

At present, the city's business activities, concerts, performances, exhibitions and other boutique market has a great demand for the application of LED lease screen, the market with high refresh rate, high grayscale, high brightness products as the main demands of high-end PWM accumulation driven IC can meet the requirements of the type. On the other hand, dense screen demand for LED driver IC is quite large, so it is one of the current focus on the development of the market accumulation, accumulation of 2012 has dense screen application for the launch of the 1:16 scan and 1:32 scan multiple sweep type S-PWM driver chip, is expected from the second quarter of this year there will be more demand more from super dense screen.