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Display device and method of driving the same

A display device and display panel technology, applied to static indicators, instruments, etc., can solve problems such as poor display performance

Inactive Publication Date: 2006-08-16
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, abnormal voltage levels can generate garbage data, resulting in poor display performance (e.g. vertical lines on the screen)

Method used

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  • Display device and method of driving the same
  • Display device and method of driving the same
  • Display device and method of driving the same

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Experimental program
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Embodiment Construction

[0031] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0032] image 3 is a block diagram showing a liquid crystal display device according to an exemplary embodiment of the present invention.

[0033] refer to image 3 , the liquid crystal display device 100 includes: a timing controller 110 , a power generator 120 , a scan driver 130 , an inverter unit 140 , a data driver 150 , and a display panel 160 .

[0034] The timing controller 110 receives a first data signal DATA1 and a synchronization signal SYNC from a host system such as a graphics controller, and provides a second data signal DATA2 and a first control signal TS1 to the data driver 150 . In addition, the timing controller 110 supplies the second and third control signals TS2 and TS3 to the scan driver 130 and supplies the fourth control signal TS4 to the power generator 120 .

[0035] The power generator 120 supplies the first and second powers PC1 a...

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Abstract

A display device includes a data driver, an inverter, a display panel, and an intercept unit. The data driver provides an image signal and the scan driver generates a control signal corresponding to the image signal. The inverter provides an inverted control signal. The display panel has a PMOS transistor that provides the image signal to a pixel electrode based on the inverted control signal. The interception unit intercepts an abnormal signal that is forwarded to the PMOS transistor. Therefore, a signal having an abnormal voltage level may be interrupted to prevent display defects resulting from the abnormal voltage level.

Description

[0001] Related applications and their cross-references [0002] This application claims priority from Korean Patent Application No. 2005-11286 filed on February 7, 2005, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention relates to a display device and a driving method of the display device, and more particularly, to a display device capable of preventing display defects of a PMOS device and a driving method of the display device. Background technique [0004] In general, a thin film transistor (TFT) formed on a glass or semiconductor substrate in a thin film controls a gate electrode to control current flow through the semiconductor layer. Thin film transistors (TFTs) are widely used in liquid crystal displays (LCDs), memories such as static RAMs (SRAMs), and the like. [0005] Types of TFTs include amorphous silicon TFTs (a-Si TFTs) and polysilicon TFTs (poly-SiTFTs). Types of poly-Si TFTs include high temper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G09G3/20G02F1/133
CPCG09G2330/026G09G2300/0408G09G3/3685G09G3/3677G09G2330/12G09G3/36G09G3/20
Inventor 姜明求张林泰李重先朴钟和
Owner SAMSUNG ELECTRONICS CO LTD