Liquid crystal display panel and liquid crystal display device

Abstract

The invention provides a liquid crystal display device, which comprises a liquid crystal display panel and a backlight photosource for providing light intensity for the liquid crystal display panel. The liquid crystal display panel comprises an upper substrate and a lower substrate which are arranged oppositely, a gate line and a data wire which are positioned on the lower substrate, an external light intensity acquisition device and a backlight photosource control device, wherein the external light intensity acquisition device is positioned in the liquid crystal display panel and is used foracquiring a light intensity signal which is transmitted to the liquid crystal display panel from the outside and converting the light intensity signal into an electrical signal; and the backlight photosource control device is used for controlling the luminance of the backlight photosource according to the electrical signal, so that the outside light intensity is stronger, the luminance of the backlight photosource is higher under the condition of opening the backlight photosource. The liquid crystal display device reduces the electricity consumption and saves the cost.

Description

Liquid crystal display panel and liquid crystal display device technical field The invention relates to the field of liquid crystal display, in particular to a liquid crystal display panel and a liquid crystal display device. Background technique Liquid crystal display (Liquid Crystal Display, LCD) has many advantages such as light and thin, energy-saving, non-radiation, etc., so it has gradually replaced the traditional cathode ray tube (CRT) display. Currently, liquid crystal displays are widely used in high-definition digital televisions, desktop computers, personal digital assistants (PDAs), notebook computers, mobile phones, digital cameras and other electronic equipment. Liquid crystal display devices can be classified into three basic types according to the reflection mode of the liquid crystal display panel: transmissive, reflective and transflective. The liquid crystal display panel of the transmissive liquid crystal display device has a backlight source, which ...

AI Technical Summary

Problems solved by technology

However, in the existing transflective liquid crystal display device, since the light intensity of the backlight source is constant, the light intensity of the backlight source cannot be adjusted when the backlight source is turned on. When clear display can be achieved under certain circumstances (when the intensity of external light is weak), the light intensity of the backlight source will not change, so this will consume more power

Images