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  •   The two types of screens are mainly different in terms of display principle, energy consumption, thickness, shape, and so on. In terms of principle, the former is self-lighting, which requires a backlight light source; energy consumption, the former overall energy consumption is lower than the latter; thickness, the former is thinner than the latter; form, the former can be bent, the latter can not be bent. They are described as follows.


      1.Display principle: OLED is called organic light-emitting diodes, using organic self-light-emitting materials, without the need for a separate backlight or color filter; LCD screen requires backlighting in order to display, using LED backlight, based on the principle of white light through the color filter, the current control of each pixel's transmittance and produce different colors.

      2.Energy consumption: OLED screen display pure black, the pixels are not working, so relatively low energy consumption; LCD as long as there is a little content to display, the need to light the entire backlight board, and sometimes you can even see the phenomenon of light leakage, the relative energy consumption is higher.

      3.Screen thickness: due to the absence of a backlight board, so OLED screen relative to the LCD screen to be thinner; due to the LCD panel requires a backlight board, the overall thickness will be thicker than OLED.

      4.Can be bent: OLED screen uses an organic two-stage light-emitting tube, with flexible properties, so it can be made into a curved screen, LCD due to the existence of light-emitting backplane, can not be bent.

      5.Screen burning problem: OLED screen using organic materials as a light source, the service life is far inferior to LCD screen, long time still a screen is prone to screen burning problem, that is, the screen afterimage to stay on the screen; LCD screen does not have this problem.

      6.In addition, there are OLED screen flashing problems: OLED screen refresh frequency of about 250Hz, that is, 1 second to flash 250 times, the human eye is unable to distinguish, but OLED screen refresh rate of 1250Hz or more will be harmless to the human eye, most of the current AMOLED screen refresh rate of 250Hz near, too low LED strobe will cause eye pressure, migraine and other diseases.

    For more confidence on TFT LCD click here.

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