IMAGE QUALITY COMPENSATION DEVICE AND METHOD OF ORGANIC LIGHT EMITTING DISPLAY

IMAGE QUALITY COMPENSATION DEVICE AND METHOD OF ORGANIC LIGHT EMITTING DISPLAY

An organic light emitting display device according to the present invention comprises an organic light emitting diode (OLED); a driving thin film transistor (TFT) including a gate electrode connected to a node A, a source electrode connected to a node B, and a drain electrode connected to a node C a...

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1. Verfasser: SHIN, HUN KI
Format: Patent
Sprache:eng ; kor
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 SHIN, HUN KI
description An organic light emitting display device according to the present invention comprises an organic light emitting diode (OLED); a driving thin film transistor (TFT) including a gate electrode connected to a node A, a source electrode connected to a node B, and a drain electrode connected to a node C and controlling a current applied to the OLED; a first switch TFT switching a current path between the node A and a data line according to a first scan signal to initialize the node A; a second switch TFT switching a current path between the node B and the data line according to a second scan signal; a third switch TFT switching a current path between the node A and the node C according to the second scan signal to sample a threshold voltage of the driving TFT; a fourth switch TFT connecting an input terminal of a high potential driving voltage to the node B in response to a light emission control signal; a fifth switch TFT switching a current path between the node C and the OLED according to the light emission control signal; and a storage capacitor connected between the input terminal of the high potential driving voltage and the node A.
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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 IMAGE QUALITY COMPENSATION DEVICE AND METHOD OF ORGANIC LIGHT EMITTING DISPLAY
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