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Organic light emitting display device

A light-emitting display and organic technology, applied in static indicators, instruments, etc., can solve the problem of driving OLED to emit light alone, and achieve the effect of compensating for poor display and realizing dimming function

Inactive Publication Date: 2020-12-01
NANJING CEC PANDA LCD TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] figure 1 The traditional OLED pixel compensation driving circuit shown is relatively simple, and the OLED is driven to emit light in a single way, so it cannot effectively avoid the current instability caused by the low driving current of the OLED due to the low gray scale, which is prone to screen mura defects

Method used

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Embodiment Construction

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these drawings and obtain other implementations.

[0027] In order to make the drawing concise, each drawing only schematically shows the parts related to the present invention, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked. Herein, "a" not only means "only one", but also means "more than one".

[0028] Such as ...

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Abstract

The invention provides an organic light emitting display device. The device comprises a grid driving circuit, a pixel compensation driving circuit, a light emitting unit connected with the pixel compensation driving circuit and a trigger driving circuit for outputting a control signal to the corresponding pixel compensation driving circuit, and the grid driving circuit outputs a grid signal to thecorresponding trigger driving circuit; wherein the gate drive circuit comprises N stages of gate drive units, a gate signal output by the (n-1)th stage of gate drive unit is connected to the nth stage of gate drive unit, the trigger drive circuit comprises N stages of trigger drive units, and a control signal output by the (m-1)th stage of trigger drive unit is connected to the mth stage of trigger drive unit. According to the trigger drive circuit, control signals needed by the pixel compensation drive circuit can be achieved, poor display caused by TFT characteristic deviation is compensated, the light emitting time of the light emitting unit can be controlled, the brightness and gray scale of the organic light emitting display device are adjusted, and the dimming function of the organic light emitting display device is achieved.

Description

technical field [0001] The invention relates to the display field, in particular to an organic light-emitting display device. Background technique [0002] Organic light emitting diode (Organic Light Emitting Diode, OLED) display panel has self-illumination, low driving voltage, high luminous efficiency, short response time, high definition and contrast, nearly 180-degree viewing angle, wide operating temperature range, and can realize flexible display and With many advantages such as large-area full-color display, it is recognized by the industry as a display device with the most potential for development. [0003] According to the driving method, OLED can be divided into two categories: passive matrix OLED (Passive Matrix, PM) and active matrix OLED (Active Matrix, AM), namely direct addressing and thin film transistor (Thin Film Transistor, TFT) matrix addressing. kind. The AMOLED display panel has a plurality of pixels arranged in an array, and each pixel is driven by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3208G09G3/3233G09G3/3258
CPCG09G3/3208G09G3/3233G09G3/3258G09G2320/0626
Inventor 郭潇潇赖谷皇
Owner NANJING CEC PANDA LCD TECH
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