What is the light source type?
1, edge light type. A linear or point light source is provided on the back light of the side of the specially designed light guide plate. According to the actual needs, it can be made into two sides or even three sides. Edge light backlight generally can do very thin, but the light utilization rate of light source is thinner and thinner, and the utilization ratio is smaller. The technical core of 50%. is about the design and manufacture of the light guide plate. The most commonly used side lights are LED light, backlight, and CCFL backlight. Weizhi LED side light type back light source are WU, WH, WN, WL for unilateral style, WJ, WK, WB for bilateral type. With the development of LCD module to brighter, lighter and thinner, the side light CCFL backlight source has become the mainstream of the development of backlight. WQ products for the CCFL side light backlight weizhi.
The classification of backlight source: the backlight source is mainly composed of EL, CCFL and LED at the moment according to the type of light source. The light source type is divided into side light type and vertical type (bottom back light type) according to the different position of light source distribution. (three). Here's a brief introduction.
There are three types of light sources: cold cathode fluorescent lamp, RGB tricolor light emitting diode (LED), while a small number of scanners use halogen light source.
