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How does the light sensor work in crystal vision 4k tv?

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Question: How does the light sensor work in crystal vision 4k tv?

If you are looking for a TV that can adjust its brightness and contrast according to the ambient light, you might want to consider the Crystal Vision 4K TV. This TV has a built-in light sensor that can detect the amount of light in the room and automatically optimize the picture quality for the best viewing experience. But how does the light sensor work in Crystal Vision 4K TV? Let's find out.


The light sensor is a small device that is located at the bottom of the TV frame. It consists of a photodiode, which is a semiconductor that converts light into electrical current, and a microcontroller, which is a small computer that processes the signal from the photodiode. The photodiode measures the intensity of the light that falls on it and sends a corresponding voltage to the microcontroller. The microcontroller then compares this voltage with a predefined threshold and decides whether to increase or decrease the backlight and contrast of the TV.


The backlight is the source of light behind the LCD panel that illuminates the pixels. The contrast is the difference between the brightest and darkest parts of the image. By adjusting these two parameters, the TV can enhance or reduce the brightness and color saturation of the picture. For example, if the room is dark, the TV will lower the backlight and increase the contrast to make the image more visible and vivid. If the room is bright, the TV will raise the backlight and decrease the contrast to avoid glare and washout.


The light sensor in Crystal Vision 4K TV works in real time and continuously adapts to the changing light conditions. You can also customize the sensitivity and range of the light sensor in the settings menu. The light sensor is a smart feature that can save energy, protect your eyes, and improve your viewing experience.

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