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Display panel, driving method thereof and display device

A display panel and sub-pixel technology, which is applied in the field of display devices and display panels, can solve the problems of insufficient charging time for scanning signals, vertical lines on the display screen, and less than 0.5 microseconds, and achieve improved display effects, elimination of vertical lines, and high-screen display. The effect of proportion and narrow border

Active Publication Date: 2020-03-27
XIAMEN TIANMA MICRO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, conventional products are usually equipped with a gate circuit, and the charging time of the corresponding scanning signal is generally less than 0.5 microseconds; and if the high-frequency product adopts the structure of conventional products, the charging time of the scanning signal is also less than 0.5 microseconds. When the charging time of the scanning signal is seriously insufficient, the problem of vertical lines is easy to appear when the screen is displayed, and the display effect is reduced.

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

[0027] At present, for products with a regular scanning frequency (such as products with a scanning frequency of 60Hz), in order to reduce the width of the frame, a gating circuit design is generally used, and the corresponding time when displaying a frame is generally 16.67ms. If the resolution of this type of product When it is 1080*2340, the time to scan a row of pixels is 16.67ms / 2340, that is, the time to scan a row of sub-pixels is 7.1μs. However, in the actual scanning process, it is necessary to consider factors such as the time interval of inputting scanning signals of adjacent scanning lines, so in practice, the time for scanning a row of sub-pixels is generally less than 5 μs.

[0028] For high-frequency products (such as products with a scanning frequency of 120Hz), if the gating circuit design is also adopted, when the corresponding time for displaying a frame remains unchanged, the time for scanning a row of sub-pixels is at least reduced compared with low-frequen...

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Abstract

The invention discloses a display panel, a driving method thereof and a display device, which utilize a plurality of gating circuits to provide data signals for data lines and are beneficial for realizing the design of a high screen-to-body ratio and a narrow frame. Moreover, for the same sub-pixel group connected with the same gating circuit, the gating circuit outputs a data signal to the sub-pixel group in sequence when the first scanning line corresponding to the sub-pixel group outputs a scanning signal, and completes the output of the data signal to the sub-pixel group before the secondscanning line corresponding to the sub-pixel group outputs the scanning signal. Namely, for the same sub-pixel group, the sub-pixels are divided into multiple sub-pixels; the time of outputting the scanning signal by the first scanning line is overlapped with the time of outputting the data signal by the gating circuit; therefore, the charging time of the scanning signal can be ensured to be the time for scanning a row of pixels, namely, the scanning signal is ensured to have enough charging time, so that vertical stripes caused by relatively short charging time of the scanning signal can be eliminated while high-frequency display is realized, 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 electroluminescence display is a self-luminous device, which can realize the display function without setting a backlight module, which makes the display light and thin, and has a wide range of applications in various fields. [0003] Electroluminescent displays generally have two specifications: conventional products and high-frequency products. Conventional products can be understood as products with a scanning frequency of 60Hz, and high-frequency products can be understood as products with a scanning frequency of 120Hz. At present, conventional products are usually equipped with a gate circuit, and the charging time of the corresponding scanning signal is generally less than 0.5 microseconds; and if the high-frequency product adopts the structure of conventional products, the ch...

Claims

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Application Information

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IPC IPC(8): H01L27/32G09G3/3225
CPCG09G3/3225H10K59/131
Inventor 张蒙蒙周星耀李玥杨帅
Owner XIAMEN TIANMA MICRO ELECTRONICS
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