Mobile Phone LCD Screen Quality Control Expert

Is the brightness of LCD display determined by the backlight?

by:Kimeery     2023-03-27
Is the brightness of LCD display determined by the backlight? I believe that many people have questions, and I will briefly answer them today! As we all know, LCD displays display images through a special backlight, and the performance of the backlight also has an important impact on the brightness of the display screen, so the brightness of an LCD screen only depends on the backlight. After the backlight emits light, the light is controlled by the voltage of the front LCD screen panel, and the mobile LCD screen molecules allow the light to pass through or mask to display the brightness of the image. This process is controlled by the IC chip, which is similar in principle to the shutter in the camera, which can control the luminous flux. Camera products usually have a shutter on the back of the lens, which is opened when shooting to allow the object to be imaged in the film or photosensitive element to form a photo, and the mobile LCD screen panel emits light of balanced brightness from the backlight, which is blocked by the light of the liquid crystal panel / control, and imaged by light and shadow. When you watch an image on an mobile phone LCD monitor or LCD TV, you will notice that the light passing through the LCD panel not only appears in name and dark, but also in various colors from light to dark.

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