Pixel driving method, pixel driving device and display device
AssigneeBoe Technology Group Co., Ltd.
InventorsYongqian Li, Zhongyuan Wu
Life of this patent
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Abstract
The application provides a pixel driving method, a pixel driving device and a display device. The method includes steps of: obtaining a brightness sum of a frame according to a brightness of each of pixels in the frame; inquiring a data voltage compensation value corresponding to the obtained brightness sum from a preset first correspondence relationship, the first correspondence relationship including a one-to-one correspondence relationship between the brightness sum and the data voltage compensation value for one frame; compensating a data voltage of the frame according to the data voltage compensation value to generate a compensated data voltage; and outputting the compensated data voltage to a display panel.
Claims13
A pixel driving method, comprising steps of:
- obtaining a brightness sum of a frame of picture according to a brightness of each of pixels in the frame of picture, the brightness sum being a sum of brightnesses of all the pixels in the frame of picture;
- inquiring a data voltage compensation value corresponding to the obtained brightness sum from a first correspondence relationship, the first correspondence relationship comprising a one-to-one correspondence relationship between the brightness sum and the data voltage compensation value for one frame of picture;
- compensating a data voltage of the frame of picture according to the data voltage compensation value to generate a compensated data voltage;
- and
- outputting the compensated data voltage to a display panel,
- wherein before the step of obtaining a brightness sum of a frame of picture according to a brightness of each of pixels in the frame of picture, the method further comprises steps of:
- establishing a second correspondence relationship, the second correspondence relationship comprising a one-to-one correspondence relationship between the brightness sum and a voltage difference average value of pixels for one frame of picture, and the voltage difference average value being an average value of sensing voltages of all or a part of the pixels in the one frame of picture;
- establishing a third correspondence relationship, the third correspondence relationship comprising a one-to-one correspondence relationship between the voltage difference average value of pixels and the data voltage compensation value for one frame of picture;
- and
- generating the first correspondence relationship according to the second correspondence relationship and the third correspondence relationship.
A pixel driving device, comprising:
- a memory;
- and
- a processor coupled to the memory,
- wherein the memory stores computer-executable instructions for causing the processor to:
- obtain a brightness sum of a frame of picture according to a brightness of each of pixels in the frame of picture, the brightness sum being a sum of brightnesses of all the pixels in the frame of picture;
- inquire a data voltage compensation value corresponding to the obtained brightness sum from a first correspondence relationship, the first correspondence relationship comprising a one-to-one correspondence relationship between the brightness sum and the data voltage compensation value for one frame of picture;
- compensate a data voltage of the frame of picture according to the data voltage compensation value to generate a compensated data voltage;
- and
- output the compensated data voltage to a display panel,
- wherein the computer-executable instructions cause the processor to:
- establish a second correspondence relationship, the second correspondence relationship comprising a one-to-one correspondence relationship between the brightness sum and a voltage difference average value of pixels for one frame of picture, and the voltage difference average value being an average value of sensing voltages of all or a part of the pixels for one frame of picture;
- establish a third correspondence relationship, the third correspondence relationship comprising a one-to-one correspondence relationship between the voltage difference average value of the pixels and the data voltage compensation value for one frame of picture;
- and
- generate the first correspondence relationship according to the second correspondence relationship and the third correspondence relationship.
Dependencies are inferred from the claim text.