18471897. DRIVING DEVICE AND DRIVING METHOD OF ELECTROLUMINESCENT DISPLAY APPARATUS simplified abstract (LG DISPLAY CO., LTD.)
Contents
DRIVING DEVICE AND DRIVING METHOD OF ELECTROLUMINESCENT DISPLAY APPARATUS
Organization Name
Inventor(s)
Moo Kyoung Hong of Paju-si (KR)
DRIVING DEVICE AND DRIVING METHOD OF ELECTROLUMINESCENT DISPLAY APPARATUS - A simplified explanation of the abstract
This abstract first appeared for US patent application 18471897 titled 'DRIVING DEVICE AND DRIVING METHOD OF ELECTROLUMINESCENT DISPLAY APPARATUS
The driving device of an electroluminescent display apparatus described in the abstract includes a pixel line determiner, an over driving control controller, and a sensing and driving circuit.
- The pixel line determiner selects a representative pixel line with the largest accumulation stress from all pixel lines.
- The over driving control controller selects a sample pixel characteristic value from the representative pixel line and outputs first and second ODC control signals based on the magnitude of the sample pixel characteristic value.
- The sensing and driving circuit pre-senses pixel characteristic values of the representative pixel line in the first sensing period, performs ODC sensing on all pixel lines according to the first ODC control signal in the second sensing period, and repeats ODC sensing on all pixel lines multiple times according to the second ODC control signal in the second sensing period.
Potential Applications: - This technology can be used in various types of electroluminescent display devices to improve performance and longevity. - It can be applied in automotive displays, consumer electronics, and signage for enhanced image quality and durability.
Problems Solved: - Addresses the issue of accumulation stress on pixel lines in electroluminescent display devices. - Optimizes driving techniques to prolong the lifespan and maintain the quality of the display.
Benefits: - Improved display performance and longevity. - Enhanced image quality and reduced degradation over time. - Efficient driving control for better overall user experience.
Commercial Applications: "Driving Device of an Electroluminescent Display Apparatus: Market Implications and Commercial Uses"
Frequently Updated Research: - Stay updated on advancements in electroluminescent display technology and driving techniques for optimal performance.
Questions about Electroluminescent Display Driving Device: 1. How does the over driving control controller optimize pixel performance? 2. What are the potential long-term benefits of using this driving device in electroluminescent displays?
Original Abstract Submitted
A driving device of an electroluminescent display apparatus, including a display panel where a pixel line including a set of pixels is provided in plurality, includes a pixel line determiner configured to select a representative pixel line, disposed at a position at which an accumulation stress caused by repetitive display of an input image is largest, from among all pixel lines, an over driving control controller configured to select a sample pixel characteristic value from among pixel characteristic values of the representative pixel line and selectively output a first ODC control signal and a second ODC control signal, based on a magnitude of the sample pixel characteristic value, and a sensing and driving circuit configured to pre-sense pixel characteristic values of the representative pixel line in the first sensing period, perform ODC sensing on the pixel characteristic values of the all pixel lines once each according to the first ODC control signal in a second sensing period succeeding the first sensing period, and perform the ODC sensing on the pixel characteristic values of the all pixel lines a plurality of times each according to the second ODC control signal in the second sensing period, wherein a sensing data voltage supplied to each pixel of the all pixel lines has multi-voltage levels, in the second sensing period for the ODC sensing.
