What is the difference between LED LCD and LED backlight screen
Author:Lu Xuelian Time:2021-06-09 15:34 Browse(570)
The same, are the use of LED backlight LCD, but omitted in different ways.
The same, are the use of LED backlight LCD, but omitted in different ways.14.1 "WXGA LED (backlight) (liquid crystal display) screen.When "backlight" appears, it means that it must be an LCD display.LED, OLED, PDP and so on are active light-emitting displays - that is, each pixel lights independently, so there is no "backlight" word.Only liquid crystal display, because it is only a light valve function, belongs to the passive light-emitting display mode, so it needs "backlight" as the light source.The LCD can be divided into two kinds: CCFL backlight and LED backlight.LED backlight does not need high-voltage drive (CCFL needs high-voltage drive of several kilovolts), but due to some technical problems, it is mostly used for small size LCD, and has not been effectively applied to large screen display. After solving some technical problems in recent years, it has gradually become the representative of new backlight technology in LCD.Therefore, the general CCFL backlight will not be specifically described, and marked with the word "led" is highlighted as a new technology of LED backlight.. Hello! Retina screen is super-high resolution, while LED screen is used as backlight and LED is used as light source. The two concepts are different.

What is the difference between LED LCD and LED backlight screen

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