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Display panel and driving method thereof, display device

A technology of a display panel and a driving method, which is applied to static indicators, instruments, etc., can solve problems such as the difficulty of architectural layout space, and achieve the effect of improving the display effect, realizing high-resolution display, and reducing the number of

Inactive Publication Date: 2018-11-06
KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

With the increase of PPI, the pixel pitch becomes smaller and smaller, and the layout space for the 7T1C architecture becomes more and more difficult

Method used

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  • Display panel and driving method thereof, display device
  • Display panel and driving method thereof, display device

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Embodiment Construction

[0036] In order to make the content of the present invention clearer and easier to understand, the content of the present invention will be further described below in conjunction with the accompanying drawings. Of course, the present invention is not limited to this specific embodiment, and general replacements known to those skilled in the art are also covered within the protection scope of the present invention.

[0037] Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. Secondly, the present invention is described in detail by means of schematic diagrams. When describing the examples of the present invention in detail, for the convenience of illustration, the schematic diagrams are not partially enlar...

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Abstract

The invention provides a display panel and a driving method thereof, and a display device. The display panel comprises a pixel circuit and a driving IC, wherein the pixel circuit comprises first to fifth transistors, a capacitor and an organic light emitting element. The threshold voltage of the second transistor is compensated through mutual cooperation of the transistors, the capacitor and the driving IC, the driving current for driving the organic light emitting element to emit light is independent of the threshold voltage of the second transistor, influence of the threshold voltage of thesecond transistor on the organic light emitting element is avoided, a problem of display unevenness caused thereby is solved, the display effect of the entire frame is improved, moreover, the number of the used transistors is reduced, and the display panel is conducive to high resolution display.

Description

technical field [0001] The present invention relates to the technical field of plane display, in particular to a display panel, a driving method thereof, and a display device. Background technique [0002] Active Matrix Organic Light Emitting Diode (AMOLED) display is a display technology used in TVs and mobile devices. It is sensitive to power consumption due to its low power consumption, low cost, and large size. It has broad application prospects in portable electronic devices. [0003] The organic light-emitting diode in AMOLED can emit light is driven by the driving current generated by the thin film transistor (Thin Film Transistor, referred to as TFT). There are non-uniform phenomena, such as threshold voltage, mobility, etc., resulting in uneven display of the entire image. [0004] Traditional active matrix organic light-emitting diodes adopt a 2T1C pixel driving method, using a switching thin film transistor, a driving thin film transistor and a storage capacitor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3233G09G3/3266G09G3/3291
Inventor 张九占朱晖
Owner KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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