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Pixel circuit, drive method, organic luminance display panel and display device thereof

A pixel circuit and drive transistor technology, applied in static indicators, instruments, etc., can solve problems affecting the brightness uniformity and brightness constancy of organic light-emitting diode displays, so as to improve image uniformity, ensure uniformity and constancy, The effect of slowing down the decay rate

Active Publication Date: 2013-07-10
BOE TECH GRP CO LTD
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  • Abstract
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Problems solved by technology

In this way, the brightness uniformity and brightness constancy of the organic light-emitting diode display will be affected

Method used

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  • Pixel circuit, drive method, organic luminance display panel and display device thereof
  • Pixel circuit, drive method, organic luminance display panel and display device thereof
  • Pixel circuit, drive method, organic luminance display panel and display device thereof

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Embodiment Construction

[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0045]Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity o...

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Abstract

The invention provides a pixel circuit, a drive method, an organic luminous display panel and a display device of the pixel circuit. The pixel circuit comprises a drive transistor, a first storage capacitor, a collection unit, a writing unit and a luminous unit, wherein the collection unit is used for collecting threshold voltage of the drive transistor and enabling the threshold voltage to be stored into the first storage capacitor under the control of a first scanning signal, the writing unit is used for storing data voltage input by a data voltage input end under the control of a second scanning signal, and the luminous unit is used for being driven to emit light through the data voltage and voltage input by a controllable low voltage input end under the control of a luminous control signal. Therefore, an organic luminous device is free of being influenced by drift of the threshold voltage of the drive transistor, image uniformity of the organic luminous display panel can be effectively improved, the decay speed of the organic luminous device can be slowed down, and uniformity and constancy of luminance of the organic luminous display panel are ensured.

Description

technical field [0001] The present invention relates to the field of organic light-emitting display, in particular to a pixel circuit and its driving method, an organic light-emitting display panel and a display device. Background technique [0002] Due to the rapid progress of the multimedia society, the technologies of semiconductor devices and display devices have also undergone rapid progress. [0003] As far as the display is concerned, since the Active Matrix Organic Light Emitting Diode (AMOLED) display has no viewing angle limitation, low manufacturing cost, high response speed (about a hundred times higher than that of liquid crystal), power saving, self-illumination, It can be used for DC drive of portable machines, has a wide operating temperature range, is light in weight, and can be miniaturized and thinned along with hardware devices to meet the characteristic requirements of displays in the multimedia era. Therefore, the active matrix organic light-emitting d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32
CPCG09G3/3233G09G2300/0819G09G2300/0852G09G2300/0861G09G2320/0233G09G3/3208
Inventor 尹静文吴仲远
Owner BOE TECH GRP CO LTD
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