Unlock instant, AI-driven research and patent intelligence for your innovation.

Pixel structure, array substrate, liquid crystal panel and pixel driving method

A pixel structure and pixel electrode technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as large leakage current, afterimage, and flickering of liquid crystal panels

Active Publication Date: 2015-05-20
BOE TECH GRP CO LTD +1
View PDF6 Cites 13 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a pixel structure, an array substrate and a display panel, so as to solve the problems of flickering and afterimage of the liquid crystal panel during display due to the large leakage current in the pixel structure of the prior art.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Pixel structure, array substrate, liquid crystal panel and pixel driving method
  • Pixel structure, array substrate, liquid crystal panel and pixel driving method
  • Pixel structure, array substrate, liquid crystal panel and pixel driving method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] like figure 2 As shown, the schematic diagram of the first pixel structure provided by the embodiment of the present invention. The pixel structure includes a pixel electrode 1 and a data line 2, a first thin film transistor 3 connected in series between the pixel electrode 1 and the data line 2, a connecting electrode 4 and a second thin film transistor 5; The common electrode 6 , the gates of the first thin film transistor 3 and the second thin film transistor 5 are all electrically connected to the gate line 7 . The first thin film transistor 3, the connecting electrode 4 and the second thin film transistor 5 connected in series can reduce the leakage current, and form a transition capacitor C1 between the connecting electrode 4 and the common electrode 6 (such as image 3 shown), can effectively reduce the voltage difference between the pixel electrode 1 and the connection electrode 4, that is, reduce the voltage difference between the pixel electrode 1 and the se...

Embodiment 2

[0041] like Figure 4 As shown, the schematic diagram of the first pixel structure provided by the embodiment of the present invention. The pixel structure includes a pixel electrode 1 and a data line 2, a first thin film transistor 3 connected in series between the pixel electrode 1 and the data line 2, a connecting electrode 4 and a second thin film transistor 5; The common electrode 6 , the gate of the first thin film transistor 3 is electrically connected to the gate line 7 , and the gate of the second thin film transistor 5 is electrically connected to the gate line 8 . The first thin film transistor 3, the connecting electrode 4 and the second thin film transistor 5 connected in series can reduce the leakage current, and a transition capacitance is formed between the connecting electrode 4 and the common electrode 6, which can effectively reduce the gap between the pixel electrode 1 and the connecting electrode 4. The voltage difference between the pixel electrode 1 and...

Embodiment 3

[0051] An embodiment of the present invention provides an array substrate, including the pixel structure provided in the above embodiment.

[0052] The beneficial effects of the embodiments of the present invention are as follows: the first thin film transistor, the connecting electrode and the second thin film transistor connected in series in the pixel structure can reduce the leakage current, and a transition capacitor is formed between the connecting electrode and the common electrode, which can effectively reduce the pixel electrode and the common electrode. The voltage difference between the connecting electrodes, that is, reducing the voltage difference between the pixel electrode and the second thin film transistor can maintain the voltage of the pixel electrode on the basis of reducing the leakage current.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a pixel structure, an array substrate, a liquid crystal panel and a pixel driving method to solve the problems of flickering, residual image and the like during displaying of a liquid crystal panel, which are caused by large leakage current in a pixel structure in the prior art. The pixel structure comprises a data line and a pixel electrode and further comprises a first thin film transistor, a connection electrode and a second thin film transistor, which are connected in series between the pixel electrode and the data line, wherein a common electrode is arranged above or below the connection electrode; the source electrode of the first thin film transistor and the drain electrode of the second thin film transistor are both electrically connected with the connection electrode; the source electrode of the second thin film transistor is electrically connected with the data line; the drain electrode of the first thin film transistor is electrically connected with the pixel electrode; and the gate electrodes of the first thin film transistor and the second thin film transistor are electrically connected with a gate line.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a pixel structure, an array substrate, a display panel and a pixel driving method. Background technique [0002] Thin Film Transistor Liquid Crystal Display (TFT-LCD) has been rapidly developed due to its light weight, thin thickness, low power consumption, low radiation and soft picture. Each liquid crystal pixel on the liquid crystal panel of the TFT-LCD display is driven by a thin film transistor integrated behind it, so that high-speed, high-brightness, high-contrast display can be achieved. [0003] In the liquid crystal panel of the prior art TFT-LCD display, each pixel structure includes a data line, a gate line and a pixel electrode, a thin film transistor is formed at the intersection of the data line and the gate line, and the gate of the thin film transistor is The gate line is connected, the source of the thin film transistor is connected with the data...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1362G02F1/1368
CPCG02F1/136213G02F1/13624G02F1/1368
Inventor 董殿正刘磊宋嘉嘉金炯旲陈维涛
Owner BOE TECH GRP CO LTD