Liquid crystal display with adjustable brightness

The utility model provides a liquid crystal display capable of adjusting brightness, which comprises a light-emitting unit, the display unit is arranged at a position opposite to the light-emitting unit; the temperature monitoring unit is arranged on the display unit and used for monitoring the temperature of the display unit to form a temperature signal; the processing unit is connected with thesensing unit and is used for processing the temperature signal to form an electric signal; and the brightness adjusting unit is connected with the processing unit and the light-emitting unit and adjusts the brightness of the light-emitting unit according to the electric signal. The backlight brightness of the liquid crystal display can be automatically adjusted, and the service life of the liquidcrystal display is prolonged. 本实用新型提出一种可以调节亮度的液晶显示器，包括，发光单元；显示单元，设置在所述发光单元相对的位置上；温度监测单元，设置在所述显示单元上，监测所述显示单元的温度，形成温度信号；处理单元，连接所述感应单元，对所述温度信号进行处理，形成电信号；亮度调节单元，连接所述处理单元和所述发光单元，根据所述电信号调整所述发光单元的亮度。本实用新型提出的液晶显示器可以自动调节背光亮度，提高使用寿命。