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A display panel, its driving method and display device

A technology of a display panel and a driving method, applied in the fields of display panels and display devices, can solve the problems of slow pixel compensation speed and affect the normal display of OLED displays, etc., and achieve the effects of improving compensation speed, improving display effect and long display time.

Active Publication Date: 2021-10-15
HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a display panel, its driving method and a display device, which are used to solve the problem in the prior art that the pixel compensation speed in the OLED display is relatively slow, which affects the normal display of the OLED display.

Method used

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  • A display panel, its driving method and display device
  • A display panel, its driving method and display device
  • A display panel, its driving method and display device

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Embodiment Construction

[0038] Such as figure 1 As shown, in the prior art, each pixel PX is connected to a compensation detection line SL, and each compensation detection line SL is connected to a column of pixels PX, for example, figure 1 Each pixel PX includes three sub-pixels P_1, P_2 and P_3, generally red (R), green (G) and blue (B) three sub-pixels, and three sub-pixels P_1, P_2 and P_3 in each pixel PX The same compensation detection line SL is connected. When compensating each sub-pixel, it needs to be compensated row by row, and only one sub-pixel in each pixel PX can be compensated at a time, so each row of pixels needs to be compensated three times. figure 1 In the above, each pixel includes three sub-pixels as an example, and each pixel can also include four sub-pixels of red (R), green (G), blue (B) and white (W) or more sub-pixels during specific implementation. pixels, each row of pixels needs to be compensated four or more times.

[0039] Based on this, in order to solve the proble...

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Abstract

The invention discloses a display panel, its driving method and a display device. The display panel comprises: a plurality of sub-pixels arranged in an array, a plurality of data lines, and a plurality of compensation detection lines; wherein each data line is electrically connected to A column of sub-pixels; every three columns of sub-pixels are used as a first sub-pixel group, and each first sub-pixel group corresponds to two compensation detection lines, including a first detection line and a second detection line; in each first sub-pixel group Among them, the subpixels in the first column are electrically connected to the first detection line, the subpixels in the third column are electrically connected to the second detection line, and the subpixels in the second column are alternately electrically connected to the first detection line and the second detection line. In the above-mentioned display panel, for each first sub-pixel group, two sub-pixels connected to different compensation detection lines can be selected from two adjacent rows of sub-pixels to perform compensation together. Therefore, every two rows of sub-pixels only need to be compensated three times , which increases the compensation speed to a great extent, so that the display time is relatively long and the display effect is improved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a display panel, a driving method thereof and a display device. Background technique [0002] The Organic Light Emitting Diode (OLED) display has the advantages of self-luminescence, low energy consumption, etc., and is one of the hotspots in the field of display panel application research today. [0003] Currently, OLED displays are generally current-driven, requiring a stable current to drive them to emit light, and pixel circuits are used in OLED displays to drive electroluminescent diodes to emit light. However, as the usage time increases, the driving transistors in the pixel circuit will age, which will cause the threshold voltage and mobility of the driving transistors to drift, thus resulting in differences in display brightness. [0004] In order to ensure the display quality, the threshold voltage and mobility of the driving transistor can be compensated by means of e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3208
CPCG09G3/3208G09G3/3233G09G2300/0452G09G2310/0251G09G2320/0233G09G2320/045G09G2300/043G09G2320/0252
Inventor 李蒙何敏袁志东袁粲徐海侠
Owner HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD