Electron emission display device and driving method thereof

An electron emission display device and a driving method thereof are disclosed. The device and method limit a brightness thereof in order to reduce power consumption, and adjust a gamma compensation according to a limit width of the brightness to reduce a gamma compensation deviation, causing an inc...

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1. Verfasser:	KANG MUN SEOK,LEE CHUL HO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DISPLAY EDUCATION PHYSICS SEALS
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creator	KANG MUN SEOK,LEE CHUL HO
description	An electron emission display device and a driving method thereof are disclosed. The device and method limit a brightness thereof in order to reduce power consumption, and adjust a gamma compensation according to a limit width of the brightness to reduce a gamma compensation deviation, causing an increase in a quality of an image. In a pixel portion, a brightness is controlled corresponding to applied voltages of a first electrode and a second electrode and an emission time. An image signal summing section receives and sums image signals by frame periods. A gamma selector selects a gamma based on an output signal of the image signal summing section and compensates for the image signals. A data driver converts the compensated image signals to generate a data signal, and transfers the data signal to the first electrode. A scan driver generates and transfers a scan signal to the second electrode.
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The device and method limit a brightness thereof in order to reduce power consumption, and adjust a gamma compensation according to a limit width of the brightness to reduce a gamma compensation deviation, causing an increase in a quality of an image. In a pixel portion, a brightness is controlled corresponding to applied voltages of a first electrode and a second electrode and an emission time. An image signal summing section receives and sums image signals by frame periods. A gamma selector selects a gamma based on an output signal of the image signal summing section and compensates for the image signals. A data driver converts the compensated image signals to generate a data signal, and transfers the data signal to the first electrode. A scan driver generates and transfers a scan signal to the second electrode.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DISPLAY EDUCATION PHYSICS SEALS
title	Electron emission display device and driving method thereof
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