ByBrietta Boatman 2020-01-04 1944
The side backlight needs to use the light guide plate (glue) to distribute the LED light evenly to the display area, so the concept of light leakage also arises. When the quality of the light guide film (plate) is not good or there is a problem in the adhesion between the structural layers, the light leakage will be very obvious.
The bottom uniformly distributed LED module is also a design method, which looks more complex than the first one, and the whole backlight needs to consider the problems of welding and wiring. From the point of view of Tianyuan, when the device is too dispersed, it must have a negative impact on the stability. If RGB LED, it will definitely cause a delay to the response of RGB LED.
Advantages of WLED backlit screen: Low driving voltage, long life, small size, light weight, good color level performance, more uniform brightness, more environmental protection, impact resistance.
Disadvantages of WLED backlight screen: low brightness and contrast compared to (RGB LED).
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