KR100926687B1 - 디스플레이 패널의 구동방법 - Google Patents
디스플레이 패널의 구동방법 Download PDFInfo
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- KR100926687B1 KR100926687B1 KR1020080038071A KR20080038071A KR100926687B1 KR 100926687 B1 KR100926687 B1 KR 100926687B1 KR 1020080038071 A KR1020080038071 A KR 1020080038071A KR 20080038071 A KR20080038071 A KR 20080038071A KR 100926687 B1 KR100926687 B1 KR 100926687B1
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Abstract
Description
Claims (20)
- 화소들에 순차적으로 프로그램 전압 또는 소거 전압에 상응하는 데이터 신호를 인가하여 각각의 화소들을 프로그램 상태 또는 소거 상태로 설정하는 단계; 및상기 프로그램 상태 또는 소거 상태에 진입된 모든 화소들에 읽기 전압에 상응하는 데이터 신호를 공급하여 상기 화소들을 동시 발광시키는 단계를 포함하는 디스플레이 패널의 구동방법.
- 제1항에 있어서, 상기 각각의 화소들을 프로그램 상태 또는 소거 상태로 설정하는 단계는,해당하는 주사 라인에 주사 신호를 공급하여 해당하는 주사 라인에 연결된 화소들을 선택하는 단계; 및상기 선택된 화소들에 프로그램 전압 또는 소거 전압에 상응하는 데이터 신호들을 공급하는 단계를 포함하는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제2항에 있어서, 상기 화소는,상기 프로그램 상태에서 전하를 트랩하고, 상기 소거 상태에서 전하가 제거되는 전하트랩소자; 및상기 전하트랩소자에 연결된 유기전계 발광다이오드를 포함하고,상기 읽기 전압의 공급에 따라 소정의 휘도로 발광동작을 수행하는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제3항에 있어서, 상기 전하트랩소자는 나노크리스탈층을 가지고, 인가되는 상기 프로그램 전압 또는 소거 전압에 따라 나노크리스탈층에 트랩되는 전하량이 제어되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제4항에 있어서, 상기 전하트랩소자는 프로그램 전압이 높을수록 저항이 증가하는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제1항에 있어서, 상기 프로그램 전압은 상기 읽기 전압보다 높은 레벨로 설정되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제6항에 있어서, 상기 소거 전압은 상기 프로그램 전압보다 높은 레벨로 설정되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제2항에 있어서, 상기 주사 신호가 공급되는 주사 라인 이외의 주사 라인들은 플로팅되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제8항에 있어서, 상기 소거 전압은 상기 프로그램 전압보다 높게 설정되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 다수의 주사 라인들 및 다수의 데이터 라인들이 교차하는 영역에 형성된 화소들을 가지는 디스플레이 패널의 구동방법에 있어서,특정의 주사 라인을 선택하고, 상기 선택된 주사 라인에 연결된 화소들에 프로그램 전압에 상응하는 데이터 신호를 인가하여 상기 화소들의 전하트랩소자를 프로그램 상태로 설정하는 단계; 및상기 디스플레이 패널의 모든 화소들에 대해 프로그램 동작을 완료한 후, 상기 모든 화소들을 선택하고, 읽기 전압에 상응하는 데이터 신호를 인가하여 상기 모든 화소들의 유기전계 발광다이오드를 동시 발광시키는 단계를 포함하고,상기 전하트랩소자는 전하를 트랩하는 나노크리스탈층을 가지고, 상기 유기전계 발광다이오드는 상기 전하트랩소자의 상부 또는 하부에 구비되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제10항에 있어서, 상기 프로그램 전압은 전압의 증가에 따라 전류가 감소하는 부저항 영역에서 설정되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제10항에 있어서, 상기 프로그램 상태로 설정된 화소는 발광 동작이 수행되기 이전에 플로팅되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제12항에 있어서, 상기 화소의 플로팅은 해당하는 화소에 연결된 주사 라인에 전압을 공급하지 않는 것에 의해 달성되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제10항에 있어서, 상기 유기전계 발광다이오드를 동시 발광시키는 단계 이후에, 상기 패널의 모든 화소에 소거 전압에 상응하는 데이터 신호를 인가하여 상기 패널의 모든 화소를 소거 상태로 진입시키는 단계를 더 포함하는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제14항에 있어서, 상기 소거 상태는 상기 전하트랩소자에 트랩된 전하가 제거된 상태인 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 전하트랩소자와 유기전계 발광다이오드를 화소로 가지는 디스플레이 패널의 구동방법에 있어서,상기 화소에 프로그램 전압을 인가하여 상기 전하트랩소자의 저항을 제어하는 단계;상기 저항이 조절된 전하트랩소자를 가지는 상기 화소에 읽기 전압을 인가하여 상기 유기전계 발광다이오드를 발광시키는 단계; 및상기 화소에 상기 프로그램 전압보다 높은 소거 전압을 인가하여 상기 전하트랩소자에 트랩된 전하를 소거시키는 단계를 포함하는 디스플레이 패널의 구동방 법.
- 제16항에 있어서, 상기 읽기 전압은 상기 프로그램 전압보다 낮게 설정되고, 상기 유기전계 발광다이오드는 조절된 저항에 상응하는 구동전류에 따라 발광되는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제16항에 있어서, 상기 저항은 상기 프로그램 전압이 상승할수록 증가하는 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 전하트랩소자와 유기전계 발광다이오드를 화소로 가지는 디스플레이 패널의 구동방법에 있어서,상기 화소에 프로그램 전압 또는 소거 전압을 인가하여 상기 전하트랩소자의 저항을 제어하는 단계; 및상기 저항이 조절된 전하트랩소자를 가지는 상기 화소에 읽기 전압을 인가하여 상기 유기전계 발광다이오드를 발광시키는 단계를 포함하고,상기 소거 전압은 상기 프로그램 전압보다 높으며, 상기 프로그램 전압은 상기 읽기 전압보다 높은 것을 특징으로 하는 디스플레이 패널의 구동방법.
- 제19항에 있어서, 상기 프로그램 전압이 상승하는 경우, 상기 저항은 증가하며, 상기 소거 전압이 인가되는 경우, 상기 저항은 최대값을 가지는 것을 특징으로 하는 디스플레이 패널의 구동방법.
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US20110205217A1 (en) | 2011-08-25 |
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EP2147573A1 (en) | 2010-01-27 |
KR20080095777A (ko) | 2008-10-29 |
KR20080095799A (ko) | 2008-10-29 |
US20100208507A1 (en) | 2010-08-19 |
US8441472B2 (en) | 2013-05-14 |
KR100921506B1 (ko) | 2009-10-13 |
TW200904235A (en) | 2009-01-16 |
TWI449461B (zh) | 2014-08-11 |
JP2010525543A (ja) | 2010-07-22 |
WO2008130207A1 (en) | 2008-10-30 |
EP2147573B1 (en) | 2019-07-03 |
TWI406226B (zh) | 2013-08-21 |
TW200906217A (en) | 2009-02-01 |
JP5247797B2 (ja) | 2013-07-24 |
KR100994677B1 (ko) | 2010-11-17 |
KR20080095778A (ko) | 2008-10-29 |
US8315080B2 (en) | 2012-11-20 |
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