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

A display drive and display device technology, which is applied to display devices, transmission devices, friction transmission devices, etc., and can solve problems such as flickering and deterioration of display panels

Active Publication Date: 2020-03-10
SHANGHAI AVIC OPTOELECTRONICS
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a display driving circuit board, its driving method, and a display device t

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] The specific implementation manners of the display driving circuit board, its driving method and the display device provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] A display driving circuit board provided by an embodiment of the present invention, such as image 3 As shown, it may specifically include: a timing control circuit 100, a power management circuit 200, a display refresh rate detection unit 300, and a common voltage pre-storage compensation unit 400; wherein,

[0029] A timing control circuit 100, configured to output a frame start signal (STV) A at a set display refresh rate;

[0030] The display refresh frequency detection unit 300 is electrically connected to the timing control circuit 100 and the common voltage pre-storage compensation unit 400 respectively, and is used to detect the display refresh frequency of the frame start signal A output by the timing control...

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

Embodiments of the disclosure provide a display driver circuit board, a driving method of the same, and a display device, where a display refresh frequency detection unit and a common voltage pre-storage and compensation unit are added to the display driver circuit board, so that the display refresh frequency detection unit can detect a display refresh frequency of a frame start signal output by a timing control circuit, and output the detected display refresh frequency to a common voltage pre-storage and compensation unit, and thereafter the common voltage pre-storage and compensation unit can determine a common voltage corresponding to the display refresh frequency output by the display refresh frequency detection unit according to a pre-stored correspondence relationship between respective display refresh frequencies and respective common voltages, and control a power source management circuit to output the common voltage corresponding to the display refresh frequency.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a display driving circuit board, a driving method thereof and a display device. Background technique [0002] Currently, in liquid crystal display panels, such as figure 1 As shown, it includes: a display panel Panel, a display driver circuit board PCB connected to the display panel Panel, and a plurality of source driver chips IC1, IC2, IC3, and IC4 bound to the frame of the display panel Panel through the chip-on-film COF . Among them, the display driving circuit board PCB includes: a timing control circuit (Tcon) and a power management circuit (DC-DC); Output the frame start signal (STV) A; the power management circuit is used to determine the optimal common voltage (Vcom) according to the characteristics of the display panel, and output a fixed common voltage B to each source driver chip IC1, IC2, IC3, IC4. [0003] With the continuous development of high-resolution (UHD,...

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): G09G3/36G09G3/20
CPCG09G3/20G09G3/36G09G3/3611G09G3/3648G09G3/3655G09G3/3696G09G2320/0247G09G2330/021G09G2340/0435F16H19/06G02F1/133305G09F19/02
Inventor 黄正园王徐鹏樊树全王善荣
Owner SHANGHAI AVIC OPTOELECTRONICS
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap