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

Method for improving PDP image gray level quality and reducing display power consumption

An image, grayscale technology, applied in the field of PDP image grayscale quality improvement, to achieve the effect of improving quality, contrast and brightness

Inactive Publication Date: 2016-07-06
王丽香
View PDF5 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main research and development focus of PDP image grayscale correction has two problems: one is whether the reliability and stability of the working power supply can be ensured when performing dynamic image grayscale correction; , can you ensure that the input grayscale is consistent with the actual display effect, and there is no grayscale inversion phenomenon?

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
  • Method for improving PDP image gray level quality and reducing display power consumption
  • Method for improving PDP image gray level quality and reducing display power consumption
  • Method for improving PDP image gray level quality and reducing display power consumption

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] According to the idea of ​​the present invention, the PDP screen detects the subfield code table line by line from right to left when displaying low gray scale images, and produces the corresponding subfield map code table. The specific algorithm is: when a value of 0 is detected, Then set the value of the corresponding bit in the sub-field encoding map table to 0, and when a value of 1 is detected, stop the detection of this line, and compare the corresponding bit in the sub-field encoding map table with the value after this bit in this line The numerical value of is set to 1, and this cycle is repeated until the detection of all rows of the subfield coding table is completed, and the corresponding subfield coding map table is formed.

[0028] Multiply the data table of the PDP screen when displaying low-gray-scale images with the corresponding bits in the subfield coding table obtained above to obtain a new APL data table, and the values ​​in the new APL data table are...

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 present invention discloses a method for improving PDP image gray level quality and reducing display power consumption. Through adoption of an APL (Average Power Level), the method for improving PDP image gray level quality and reducing display power consumption is able to solve the influences on stability and reliability of a device and a power supply caused by unbalanced power consumption change in the PDP dynamic image by a maintenance pulse adjusting method, and is able to dynamically improve the contrast and the brightness of the frame and lift the quality of the frame aiming at a dark frame.

Description

technical field [0001] The invention relates to a PDP (plasma) drive technology, in particular to a method for improving the grayscale quality of a PDP image. Background technique [0002] According to the driving principle of the PDP panel, the pulses are maintained to accumulate light pulses to display images. The APL (AveragePowerLevel) automatic power control curve is a quantitative display of the pixel pulse power control. It can be seen that when the PDP screen displays low-gray-scale images, the APL maintains the largest number of pulses, especially in the high-weight subfield part. A large number of sustain pulses, however, these sub-fields do not need to emit light, which leads to the switching power consumption of the switch when the PDP screen is driven, which increases the power consumption of the PDP screen when displaying grayscale images. [0003] In the process of PDP display, image grayscale correction is a core method to improve image quality. At present,...

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): G09G3/28
Inventor 王丽香
Owner 王丽香
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com