Method and device for driving display panel with two pulse signals for precharging pixel drive cells
AssigneesChongqing HKC Optoelectronics Co., Ltd., Hkc Corporation Limited
InventorFeilin Ji
Life of this patent
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Abstract
A method and a device for driving a display panel are provided by embodiments of the present application. The method includes: outputting an initial scanning signal including two pulse signals; pre-charging an x-th row of pixel drive cells when the x-th row of pixel drive cells receive a first pulse signal; and charging the x-th row of pixel drive cells when the x-th row of pixel drive cells receive a second pulse signal, writing data into the x-th row of pixel drive cells, and meanwhile, pre-charging an x+4m-th row of pixel drive cells.
Claims17
A method for driving a display panel, the display panel comprising:
- pixel display cells in array distribution, and pixel drive cells, configured to respectively drive the pixel display cells;
- wherein a liquid crystal polarity of liquid crystal molecules in an x-th row is the same as a liquid crystal polarity of liquid crystal molecules in an x+4m-th row, wherein x is an integer greater than or equal to 1, and m is an integer greater than or equal to 1;
- and wherein the method comprises:
- outputting an initial scanning signal, wherein the initial scanning signal comprises two pulse signals;
- pre-charging an x-th row of pixel drive cells when the x-th row of pixel drive cells receive a first pulse signal;
- and charging the x-th row of pixel drive cells when the x-th row of pixel drive cells receive a second pulse signal, writing data into the x-th row of pixel drive cells, and meanwhile, pre-charging an x+4m-th row of pixel drive cells, and wherein
- the first pulse signal and the second pulse signal are separated by 4n clock cycles, and n is an integer greater than or equal to 1.
A device for driving a display panel, the display panel comprising:
- pixel display cells in array distribution, and pixel drive cells, configured to respectively drive the pixel display cells;
- wherein a liquid crystal polarity of liquid crystal molecules in an x-th row is the same as a liquid crystal polarity of liquid crystal molecules in an x+4m-th row, wherein x is an integer greater than or equal to 1, and m is an integer greater than or equal to 1;
- and wherein the device comprises:
- a processor, and a memory storing one or more programs including instructions that, when executed by the processor, cause the device to:
- output an initial scanning signal, wherein the initial scanning signal comprises two pulse signals;
- pre-charge an x-th row of pixel drive cells when the x-th row of pixel drive cells receive a first pulse signal;
- and
- charge the x-th row of pixel drive cells when the x-th row of pixel drive cells receive a second pulse signal, writing data into the x-th row of pixel drive cells, and meanwhile, pre-charging an x+4m-th row of pixel drive cells, and wherein
- the first pulse signal and the second pulse signal are separated by 4n clock cycles, and n is an integer greater than or equal to 1.
A method for driving a display panel, the display panel comprising:
- pixel display cells in array distribution, and pixel drive cells, configured to respectively drive the pixel display cells;
- wherein a liquid crystal polarity of liquid crystal molecules in an x-th row is the same as a liquid crystal polarity of liquid crystal molecules in an x+4m-th row, the liquid crystal polarity of the liquid crystal molecules is inverted once every two rows, starting from the second row, wherein x is an integer greater than or equal to 1, and m is an integer greater than or equal to 1;
- and wherein the method comprises:
- outputting an initial scanning signal, wherein the initial scanning signal comprises two pulse signals;
- charging the x-th row of pixel drive cells to a first preset voltage level when the x-th row of pixel drive cells receive a first pulse signal;
- and charging the x-th row of pixel drive cells when the x-th row of pixel drive cells receive a second pulse signal, writing data into the x-th row of pixel drive cells, and meanwhile, pre-charging the x+4m-th row of pixel drive cells to a voltage level of the x-th row of pixel drive cells, and wherein
- the first pulse signal and the second pulse signal are separated by 4n clock cycles, and n is an integer greater than or equal to 1.
Dependencies are inferred from the claim text.