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A display driving circuit, its driving method, and a display device

A display drive and circuit technology, applied in static indicators, instruments, etc., can solve the problems of uneven brightness of emitted light and differences in luminous efficiency.

Active Publication Date: 2016-05-11
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, the luminous efficiency of OLED devices of different pixel units will also be different. Therefore, even if the current driving the OLED devices is the same, the problem of non-uniform emitted light brightness of each pixel unit cannot be completely solved.

Method used

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  • A display driving circuit, its driving method, and a display device
  • A display driving circuit, its driving method, and a display device
  • A display driving circuit, its driving method, and a display device

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0033] An embodiment of the present invention provides a display driving circuit, such as figure 2 As shown, it includes a control unit 13 , a light emitting device 20 and an acquisition unit 21 .

[0034] Wherein, the collection unit 21 is respectively connected to one end of the light emitting device 20, the control unit 13 and the collection signal input terminal Fn, and is used to collect the brightness of the light emitting device 20 according to the sig...

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Abstract

The invention provides a display driving circuit, a driving method thereof, and a display device, which relate to the field of display technology and can make the brightness of the emitted light of each pixel unit uniform. The display driving circuit includes a control unit, a light emitting device and an acquisition unit. Wherein, the collection unit is used to collect the brightness of the light-emitting device, and feeds back the collection result to the control unit, the control unit is used to control the pre-lighting brightness value of the light-emitting device to reach the target brightness value according to the collection result, and the light-emitting device is used to control the brightness of the light-emitting device in the control unit luminescence under control.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a display driving circuit, a driving method thereof, and a display device. Background technique [0002] With the rapid advancement of display technology, the technology of semiconductor elements, which are the core of display devices, has also been greatly improved. For the existing display devices (hereinafter referred to as OLED display devices) composed of OLED devices (OrganicLightEmittingDiode, organic light-emitting diodes), because of their self-illumination, fast response, wide viewing angle and the ability to be fabricated on flexible substrates, etc. characteristics and are increasingly being used in the field of high-performance displays. [0003] A light-emitting module in an existing OLED display device such as Figure 1a As shown, it includes an anode 10 for applying a voltage, a cathode 11 , an organic material functional layer 12 between the anode 10 an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3275G09G3/3225
CPCG09G3/3233G09G2300/0842G09G2300/0866G09G2320/029G09G2320/043G09G2360/148G09G2320/0233G09G2330/028G09G3/3258G09G2320/0626
Inventor 商广良
Owner BOE TECH GRP CO LTD