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Display driving device and driving method

A display driver, calculator technology, applied in static indicators, instruments, etc., to solve problems such as image edge blurring

Pending Publication Date: 2021-11-16
SILICON WORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case there is a problem of blurring at the edges of the image

Method used

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  • Display driving device and driving method
  • Display driving device and driving method
  • Display driving device and driving method

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Embodiment Construction

[0022] The advantages and features of the present disclosure and methods for achieving them will be clarified through the embodiments described below with reference to the accompanying drawings. However, this disclosure may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the present disclosure is limited only by the scope of the claims.

[0023] The shapes, dimensions, ratios, angles and numbers disclosed in the drawings for describing the embodiments of the present disclosure are examples only, and thus, the present disclosure is not limited to the shown details. Like reference numerals refer to like elements throughout. In the following description, when it is determined to unnecessarily obscure the gist of the present disclosure, a...

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Abstract

A display driving device and a driving method are provided. The display driving device for improving the definition of an image according to one aspect of the present invention includes a brightness calculator for calculating first brightness data corresponding to a first resolution and second brightness data corresponding to a second resolution less than the first resolution using input image data, an offset calculator for calculating an offset on the basis of the first brightness data and the second brightness data, an input image converter for converting the input image data into input image data to which the calculated offset has been applied, a first data output unit for generating output image data for a first panel using the converted input image data and outputting the generated output image data, and a second data output unit for generating output brightness data for a second panel using the second brightness data and outputting the generated output brightness data.

Description

technical field [0001] The present invention relates to a display and, more particularly, to the control of the brightness of an image displayed on the display. Background technique [0002] With the development of multimedia technology, various types of display devices such as smart phones and tablet devices have been developed and popularized in addition to conventional television systems. In particular, large-screen display devices have recently been used as dashboards in vehicles such as vehicles. In addition, various displays such as liquid crystal displays (LCDs), plasma display panels (PDPs), and organic light emitting displays (OLEDs) have recently been used. [0003] A conventional LCD includes a backlight that supplies light and a liquid crystal panel that displays images. Since the backlight provides light with uniform brightness, the liquid crystal panel has high offset brightness when realizing a black level. Korean Patent No. 10-0758986 (hereinafter referred...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/36G09G2320/0626G09G2360/16G09G2300/023G09G3/3648G09G2320/0238G09G3/3406G09G3/3685G09G2320/0233
Inventor 李度勋白贞恩金赞令全炫奎李知原
Owner SILICON WORKS CO LTD
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