Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Pixel circuit and driving method thereof, and display panel

A technology for pixel circuits and sub-circuits, applied in the field of pixel circuits and their driving methods and display panels, capable of solving problems such as inability to ensure good uniformity of TFTs and uneven brightness of pixels, and achieving the effects of reducing the number and improving resolution

Active Publication Date: 2019-01-01
BOE TECH GRP CO LTD
View PDF7 Cites 19 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For example, in the pixel driving circuit of an AMOLED (Active Matrix Organic Light Emitting Diode) display device, due to the ELA (Excimer Laser Annealing, excimer laser annealing) and doping (Doping) processes cannot guarantee the good uniformity of TFT, so there is a phenomenon of threshold voltage Vth deviation of the drive transistor
For example, for the basic 2T1C (two thin film transistors and one capacitor) pixel circuit in an AMOLED display, when the same data signal (Data) is written, the brightness of each pixel varies due to the different Vth in the current formula of the light emitting element. Uniform

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 circuit and driving method thereof, and display panel
  • Pixel circuit and driving method thereof, and display panel
  • Pixel circuit and driving method thereof, and display panel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Apparently, the described embodiments are some, not all, of the embodiments of the present disclosure. Based on the described embodiments of the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative effort fall within the protection scope of the present disclosure. It should be noted that throughout the drawings, the same elements are denoted by the same or similar reference numerals. In the following description, some specific embodiments are only for the purpose of description, and should not be construed as limiting the present disclosure in any way, but are only examples of the embodiments of the present ...

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 disclosure provides a pixel circuit and a driving method thereof, and a display panel. The pixel circuit comprises a light emitting element, a driving sub circuit, a first light-emitting control sub circuit, a second light-emitting control sub circuit, a driving control sub circuit, and a resetting sub circuit. The light-emitting control sub circuit is configured to generate a current for enabling the light emitting element to emit light. The first light-emitting control sub circuit and the second light-emitting control sub circuit are configured to receive a first control signal and a second control signal and provide the current to a first end of the light emitting element under control of the first control signal and the second control signal. The driving control sub circuit is configured to receive the second control signal and provide a data voltage signal to the driving control sub circuit under control of the second control signal. The resetting sub circuit is configured toreceive a reset signal and reset the driving sub circuit and the first end of the light-emitting element by using a second voltage under the control of the reset signal.

Description

technical field [0001] The present disclosure relates to the field of display technology, and in particular to a pixel circuit, a driving method thereof, and a display panel. Background technique [0002] For example, in the pixel driving circuit of an AMOLED (Active Matrix Organic Light Emitting Diode) display device, due to the ELA (Excimer Laser Annealing (excimer laser annealing) and doping (Doping) processes cannot guarantee the good uniformity of TFT, so there is a deviation phenomenon of the threshold voltage Vth of the driving transistor. For example, for the basic 2T1C (two thin film transistors and one capacitor) pixel circuit in an AMOLED display, when the same data signal (Data) is written, the brightness of each pixel varies due to the different Vth in the current formula of the light emitting element. Uniform. Contents of the invention [0003] The disclosure proposes a pixel circuit, a driving method thereof, and a display panel. [0004] According to one...

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
IPC IPC(8): G09G3/3233
CPCG09G3/3233G09G2300/0819G09G2300/0861G09G2300/0842G09G2320/0238G09G3/3258G09G3/3266G09G3/3291G09G2300/0426G09G2300/0439G09G2300/0809H10K59/131
Inventor 袁丽君商广良姚星郑皓亮韩明夫
Owner BOE TECH GRP CO LTD
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com