Liquid crystal display device

Abstract

The invention relates to a liquid crystal display (LCD) device. The LCD device at least comprises a liquid crystal box and at least one solar cell, wherein the liquid crystal box at least comprises a first base plate taken as a color film base plate, a second base plate taken as an array base plate, and a liquid crystal layer positioned between the first base plate and the second base plate; the first base plate and the second base plate at least comprise a transparent substrate respectively; and the at least one solar cell is arranged in a transmission path of internal backlight of the LCD device and / or the transmission path of externally ambient light which is transmitted into the LCD device for receiving the backlight and / or the externally ambient light. By the LCD device, various non-transparent parts in the LCD device and the internal backlight and the externally ambient light are fully used for acquiring electrical energy, so that the electric consumption is reduced, and the display time is prolonged.

Description

technical field [0001] The invention relates to a liquid crystal display device, in particular to a liquid crystal display device using solar cells to provide electric energy. Background technique [0002] A liquid crystal display (Liquid Crystal Display, LCD) has the advantages of thinness, lightness, low power consumption, digitization, etc., and is currently being more and more widely used in the market. Since the liquid crystal itself does not emit light and cannot rely on natural light for lighting, a backlight must be used to obtain a stable and clear display. Generally speaking, the electric energy of the backlight source comes from an external battery, such as a lithium battery, and the storage capacity of the battery is limited, and it needs to be charged after each use, which brings inconvenience to the user. [0003] A solar cell is a device that uses the photovoltaic effect to convert solar energy into electrical energy. refer to figure 1 , in a conventional s...

AI Technical Summary

Problems solved by technology

[0007] However, in this solution, the part of the light absorbed by the solar cell and converted into electrical energy can originally be reflected by the reflector, then re-emitted and used in the display process by the liquid crystal display, that is, the solar cell is passed through It consumes part of the light that can be used for display and realizes the acquisition of electric energy, thus reducing the utilization rate of light in the LCD and the performance of the LCD

In addition, in places with high brightness requirements, when using the liquid crystal display of this solution, it is necessary to add an additional light compensation unit to replace the function of the reflector to make up for the lost light, thereby increasing the cost of the product

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