What causes the TFT LCD display to turn yellow？

Among the smart products that tft lcd displays are often used in, all electronic products are prone to different problems during long-term use. Today we will talk about the situation that the tft lcd display will turn yellow after a long time of use. Those reasons will cause the TFT LCD display to turn yellow.

The tft lcd display may turn yellow. We know that the tft lcd display itself cannot emit light by itself, but needs to be illuminated through the backlight. Then the tft lcd display may turn yellow, so TFT The yellowing of the LCD display is related to the backlight of the LCD screen. The following are the reasons why the TFT LCD display may turn yellow:

1. The reason for the aging of the backlight of the TFT LCD display. The luminescence of the TFT LCD display mainly depends on the backlight, but our backlight is valid. If it is stored in the warehouse for a long time, the backlight is easy to age. Generally speaking, the backlight should not exceed three months at most from production to LCD module assembly before we assemble it. The longer the time, the higher the probability that the tft lcd display will turn yellow.

2. The reason for the color and temperature attenuation of LED lights. Anyone who understands tft lcd displays knows that tft lcd displays have a service life, but it does not mean that tft lcd displays whose life exceeds the optimal service life will not be displayed. It is because the color temperature of LED lights decreases with the extension of life, once a year. When the tft lcd display turns yellow, the color temperature of the LED light may change, resulting in yellowing.

3. The color of the tft lcd display is not uniform. Another reason is that the local tft lcd display turns yellow, or it may be caused by the uneven color of the tft lcd screen itself. In this way, the chromaticity uniformity of the tft lcd display can be measured to see if it is in the normal range. If the cause can be ruled out, the color of the tft lcd display is uneven.

After the above introduction, I believe you have a deep understanding of the reasons for the yellowing of the TFT display. If you want to know more about tft LCD, please contact us through the following ways!