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Display panel, driving method thereof and display device

A technology of a display panel and a driving method, which is applied in the field of display panels and display devices, and can solve problems such as slow pixel compensation speed and affecting normal display of OLED displays, etc.

Active Publication Date: 2019-07-26
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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  • Display panel, driving method thereof and display device
  • Display panel, driving method thereof and display device
  • Display panel, driving method thereof 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 red (R), green (G), blue (B) and white (W) four sub-pixels 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 problem i...

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Abstract

The invention discloses a display panel, a driving method thereof 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. Each data line is electrically connected with 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 and comprises a first detection line and a second detection line. In each first sub-pixel group, the first column of sub-pixels are electrically connected with the first detection line, the third column of sub-pixels are electrically connected with the second detection line, and the second column of sub-pixels are alternately and electrically connected with the first detection line and the second detection line. In the display panel, for each first sub-pixel group, two sub-pixels connected with different compensation detection lines can be selected from two adjacent rows of sub-pixels to be compensated together, so that every two rows of sub-pixels only need to be compensated for three times, the compensation speed is increased toa great extent, 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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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
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