北京广文精细化工研究所

Organic Light Emitting Diode （OLED ）

Display with OLED posseses a lot of unparalleled advantages with compared to currently popular LCD:

1. The thickness can be less than 1 mm, only 1/3 of LCD screen

2. Non-liquid substances, a better seismic performance

3. Wide viewing angle, side screen color without distortion, but LCDs to be restricted

4. The response time is one-thousandth of LCD and more for dynamic image display, no tail phenomenon

5. High and low temperature characteristics, and was still at minus 40 degrees normal use, to adapt to cold and other special environment, and the LCD can not do

6. The cost of their process is simple, using fewer raw materials

7. Since the light does not need backlighting sources, energy consumption is lower than the LCD

8. It can be made to the bend and flexible displays, a choice of electronic paper for the future.

When the power supply to the appropriate voltage, the cathode hole and the cathode emitting layer in combination will produce photons, according to their different material properties, resulting in red, green and blue RGB primary colors. Because self-luminous OLED display is self-luminous and do not need backlight, so they are high visibility and brightness, and viewing angle, followed by low driving voltage and power efficiency, coupled with fast response, light weight, thin, simple structure, low cost. It is considered the most promising products in the 21^st century.

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