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Display driver circuit for reducing influence of noise or dither

A display driver and circuit technology, applied to static indicators, cathode ray tube indicators, instruments, etc., can solve problems such as fine jitter and flickering of images

Pending Publication Date: 2019-12-24
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Errors in magnification can cause subtle jittering and flickering (blinking) of the image displayed on the display panel

Method used

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  • Display driver circuit for reducing influence of noise or dither
  • Display driver circuit for reducing influence of noise or dither
  • Display driver circuit for reducing influence of noise or dither

Examples

Experimental program
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Embodiment Construction

[0026] figure 1 is a block diagram illustrating an exemplary configuration of an electronic device including a display driver circuit according to an embodiment of the inventive concept. For example, the electronic device 1000 may be implemented with one of various types of electronic devices such as a television, a smart phone, a tablet personal computer (PC), a laptop PC, an e-book reader, an MP3 player, a wearable device, and the like.

[0027] The electronic device 1000 may include various electronic circuits. For example, the electronic circuit of the electronic device 1000 may include a display driver circuit 100, a display panel 1800, an image processing block 1100, a communication block 1200, an audio processing block 1300, a buffer memory 1400, a nonvolatile memory 1500, a user interface 1600, and a main processing device 1700.

[0028] The display driver circuit 100 may receive image data from the main processor 1700 . The display driver circuit 100 may display an...

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PUM

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Abstract

A display driver circuit comprises an encoding mode determination circuit configured to select a first encoding mode for encoding first image data based on a first set of conditions respectively corresponding to a first set of encoding modes; and an encoder configured to encode the first image data in the first encoding mode, wherein the encoding mode determination circuit is further configured to: select a second encoding mode for encoding second image data received (n-1)th after the first image data are received; and select a third encoding mode for encoding third image data received (n)th after the first image data are received, based on a second set of conditions respectively corresponding to the first set of encoding modes, wherein a second condition in the second set of the conditions corresponding to the second encoding includes wider range of values than a first condition in the first set of the conditions corresponding to the second encoding mode.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2018-0069241 filed with the Korean Intellectual Property Office on June 15, 2018, the disclosure of which is incorporated herein by reference in its entirety. technical field [0003] Example embodiments of inventive concepts relate to electronic circuits, and more particularly, to display driver circuits and methods of driving a display panel. Background technique [0004] Regarding display devices, demands for high-definition images such as high-definition (HD) images and ultra-high-definition (UHD) images are increasing. As the resolution of a display panel increases from a high definition (HD) level to an ultra high definition (UHD) level, the amount of image data including information of an image to be displayed on the display panel increases. [0005] As the amount of image data increases, the size of a memory storing image data increases dra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3225G09G3/3208G09G3/32G09G3/36
CPCG09G3/3225G09G3/3208G09G3/32G09G3/36G09G2340/00G09G3/2003G09G3/2092G09G2340/06G09G5/02G09G2320/0247G09G2360/18G09G2340/02G09G3/2074H04N19/176H04N19/182
Inventor 郑豪埈权洪基金泰佑朴真龙李在烈
Owner SAMSUNG ELECTRONICS CO LTD