2013年8月6日星期二

LCM common lighting technology

Liquid crystal display device is a passive type display device, which itself does not light, the outside light is achieved by modulating display. Just outside liquid crystal display device for displaying prerequisite. Thus, the liquid crystal display assembly, in use, cleverly solved light,lcd module can ensure and improve the quality of the liquid crystal display, liquid crystal display lighting technique generally be divided into natural light and external light source is light technology techniques. Outer light settings, was there backlight, front light, and three types of projection light source technology. Here, we are more common backlight for a brief introduction. I. backlight lighting technology, two major tasks are:
1 in the presence or absence of the liquid crystal display device under the external light can be used;
(2) increase the brightness of the backlight, to improve the display effect.
Two Category:

Now commonly used back lighting, described by the following classification:

(1) Character LCD Module backlight
Features:
Long life,> 100,000 hours;
Brightness adjustment is simple;
Is a common backlight mode;
There are four different layouts can be suitable for different needs of lighting modules;
Other forms can be designed according to the customer's layout.
EL-electroluminescent
Features:
Can provide high brightness and uniform light;
Backlight thin, generally less than 1mm, so the whole thickness of the LCM little effect;
Under normal driving conditions, a high initial brightness, the brightness half-life of 5,000 ∽ 8,000 hours;
Standard color is blue - green, For other colors please TSINGTEK consult EL backlight;
EL backlight inverters need a special power supply, the input voltage of 5V, the next inverter attached to a special brief description;
You can consult for you to use TSINGTEK EL inverter.

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