Liquid crystal display device and liquid crystal display
A technology of liquid crystal display device and power supply, which is applied in the field of liquid crystal, and can solve the problems of different strengths of gate drive integrated circuits, different impedances of gate drive integrated circuits, and different distances, etc.
Inactive Publication Date: 2016-02-03
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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Problems solved by technology
[0004] However, since the gate drive integrated circuits are distributed in different positions, the distances from the power supply to different gate drive integrated circuits are different, and thus the impedances of the traces from the power supply to different gate drive integrated circuits are also different. , so that the strength of the VGH signal generated by the power supply to different gate drive integrated circuits is different
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0021] It should be noted that the terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" a...
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The invention discloses a liquid crystal display device and a liquid crystal display. The liquid crystal display device comprises a power supply electricity supplying device, a grid electrode driving circuit, a source electrode driving circuit, multiple data lines and multiple scanning lines, wherein the data lines are interlaced with the scanning lines. The grid electrode driving circuit comprises multiple grid-electrode driving integration circuits. The source electrode driving circuit comprises multiple source electrode driving integration circuits. The power supply electricity supplying device is used for generating positive grid voltage and the negative grid voltage, sending the positive grid voltage to the grid-electrode driving integration circuits via multiple first transmission circuits, and sending the negative grid voltage to the grid-electrode driving integration circuits via multiple second transmission circuits. The grid-electrode driving integration circuits sequentially provide scanning signals to the scanning lines. The source electrode driving circuit is used for providing corresponding source electrode driving voltage signals to the data lines. The resistance values of the first transmission circuits are equal and the resistance values of the second transmission circuits are equal.
Description
technical field [0001] The invention relates to the field of liquid crystals, in particular to a liquid crystal display device and a liquid crystal display. Background technique [0002] Since the liquid crystal display device has the advantages of light weight, low power consumption and no radiation, it is widely used in various portable devices, household consumer electronic products, aerospace instruments, medical instruments and other fields. [0003] Existing liquid crystal display devices usually include a liquid crystal display panel (LCD panel), which is provided with a plurality of data lines (dataline) and a plurality of scan lines (scanline / gateline) interlaced with each other; Various driving voltage information required, such as positive gate voltage (gate high voltage, VGH) signal, negative gate voltage (gate low voltage, VGL) signal, common voltage (common voltage, VCOM), source driving voltage (source driving voltage) signal, etc. ; a gate drive circuit, use...
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IPC IPC(8): G09G3/36
CPCG09G2230/00G09G3/3648G09G2300/043G09G2310/0286G09G2320/0223G09G2330/02G09G3/3677G09G3/3688G09G3/3696G09G2310/0202G09G2310/0289G09G2320/0233
Inventor 王磊郭平昇周丽陈宥烨
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD