KR100864420B1 - 디스플레이 드라이버 및 lcd/lcos 디스플레이를 구동하는 방법 - Google Patents
디스플레이 드라이버 및 lcd/lcos 디스플레이를 구동하는 방법 Download PDFInfo
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Abstract
Description
Claims (21)
- 액정 셀의 어레이를 갖는 디스플레이 유닛으로서,디스플레이 구동기의 어레이를 포함하며, 주어진 디스플레이 구동기는,주어진 액정 셀과 관련되고,제 1 저장 커패시터, 및 상기 제 1 저장 커패시터와 주어진 액정 셀 사이에 선택적으로 연결된 제 1 구동회로를 형성하는 제 1 증폭기;제 2 저장 커패시터, 및 상기 제 2 저장 커패시터와 주어진 액정 셀 사이에 연결된 제 2 구동회로를 형성하는 제 2 증폭기; 및상기 제 1 및 제 2 구동회로를 상기 주어진 액정 셀로 스위칭하는 스위칭 장치를 포함하는, 디스플레이 유닛.
- 제 1 항에 있어서, 상기 제 1 증폭기 및 상기 제 2 증폭기는 모두 차동 증폭기인, 디스플레이 유닛.
- 제 2 항에 있어서, 상기 차동 증폭기는 연결된 각각의 드레인 전극을 구비하고 상기 액정 셀로의 출력단의 역할을 하는 한쌍의 N-채널 트랜지스터를 포함하는, 디스플레이 유닛.
- 제 1 항에 있어서, 상기 제 1 및 제 2 구동회로 각각은 각 저장 커패시터와 상기 증폭기 사이에 연결된 글로벌 스위칭 소자를 더 포함하고, 여기서 상기 글로벌 스위치 소자는 상기 저장 커패시터로부터 상기 제 1 및 제 2 구동회로 중 하나로 데이터를 전송하는, 디스플레이 유닛.
- 제 1 항에 있어서, 상기 스위칭 장치는 제 1 글로벌 스위칭 전압에 의해 구동되는 제 1 트랜지스터, 및 제 2 글로벌 스위칭 전압에 의해 구동되는 제 2 트랜지스터를 포함하는, 디스플레이 유닛.
- 액정 셀의 어레이의 주어진 액정 셀을 위한 디스플레이 구동기로서,상기 주어진 액정 셀의 제 1 메모리 소자와 연결된 제 1 구동회로;상기 주어진 액정 셀의 제 2 메모리 소자와 연결된 적어도 하나의 제 2 구동회로로서, 상기 제 1 구동회로 및 상기 제 2 구동회로 중 적어도 하나는 증폭기를 포함하는, 적어도 하나의 제 2 구동회로; 및상기 제 1 구동회로와 상기 적어도 하나의 제 2 구동회로 사이에서 상기 액정 셀을 스위칭하는 스위칭 장치를 포함하는, 디스플레이 구동기.
- 제 6 항에 있어서, 상기 제 1 및 제 2 구동회로 각각은 전류 소스와 연결된 각각의 소스 전극을 갖고 상기 액정 셀에 대해 차단 증폭기의 역할을 하는 한쌍의 N-채널 트랜지스터를 포함하는 차동 증폭기를 포함하는, 디스플레이 구동기.
- 제 6 항에 있어서, 상기 제 1 및 제 2 구동회로 각각은 전류 소스와 연결된 각각의 소스를 갖는 한쌍의 N-채널 트랜지스터를 포함하는 차동 증폭기를 포함하는, 디스플레이 구동기.
- 제 6 항에 있어서, 상기 스위칭 장치는 제 1 글로벌 스위칭 전압에 의해 구동되는 제 1 트랜지스터 및 제 2 글로벌 스위칭 전압에 의해 구동되는 제 2 트랜지스터를 포함하는, 디스플레이 구동기.
- 제 6 항에 있어서, 상기 디스플레이 구동기는 저장 커패시터와 차동 증폭기 사이에 연결되고 이미지 잔류 및 플리커(flicker)를 감소시키기 위해 사용되는 글로벌(global) 스위칭 소자를 더 포함하는, 디스플레이 구동기.
- 제 6 항에 있어서, 상기 디스플레이 구동기는 액정 어레이 소자의 전체 어레이를 동시에 업데이트하는, 디스플레이 구동기.
- 제 6 항에 있어서, 상기 디스플레이 구동기는 이전 프레임으로부터 변경된 메모리 셀만을 업데이트하는, 디스플레이 구동기.
- 제 6 항에 있어서, 상기 디스플레이 구동기는 인터라인 주사 아티팩트(interline scanning artifact)를 디스플레이하지 않고서 비월 모드로 메모리 어레이를 구동하는, 디스플레이 구동기.
- LCD/LCOS 디스플레이를 구동하는 방법으로서,제 1 차동 증폭기를 이용하여 제 1 구동 셀에서 제 1 저장 커패시터와 상기 액정 셀 사이의 차단을 제공하고, 제 2 차동 증폭기를 이용하여 제 2 구동 셀에서 제 2 저장 커패시터와 액정 셀 사이의 차단을 제공하는 단계; 및상기 액정 셀을 구동하기 위해 상기 복수의 구동 셀 사이를 스위칭하는 단계를 포함하는, LCD/LCOS 디스플레이 구동 방법.
- 삭제
- 제 14항에 있어서, 상기 스위칭하는 단계는 상기 제 1 구동 셀과 상기 제 2 구동 셀 사이에서 스위칭하기 위해 한쌍의 트랜지스터를 이용하여 상기 제 1 구동 셀과 상기 제 2 구동 셀 사이를 스위칭하는 단계를 더 포함하는, LCD/LCOS 디스플레이 구동 방법.
- 삭제
- 제 14 항에 있어서, 상기 방법은 액정 소자의 전체 어레이를 동시에 업데이트하는 단계를 더 포함하는, LCD/LCOS 디스플레이 구동 방법.
- 제 14 항에 있어서, 상기 방법은 이전 프레임으로부터 변경된 메모리 셀만을 업데이트하는 단계를 더 포함하는, LCD/LCOS 디스플레이 구동 방법.
- 제 14 항에 있어서, 상기 방법은 인터라인 주사 아티팩트를 디스플레이하지 않고서 비월 모드로 메모리 어레이를 구동하는 단계를 더 포함하는, LCD/LCOS 디스플레이 구동 방법.
- 제 14 항에 있어서, 상기 방법은 필요한 액정 구동 전압을 감소시키기 위해 프레임마다 공통 전극 전압을 변조하는 단계를 더 포함하는, LCD/LCOS 디스플레이 구동 방법.
Applications Claiming Priority (3)
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US25025900P | 2000-11-30 | 2000-11-30 | |
US60/250,259 | 2000-11-30 | ||
PCT/US2001/044896 WO2002045067A1 (en) | 2000-11-30 | 2001-11-29 | Switched amplifier drive circuit for liquid crystal displays |
Publications (2)
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KR20030065529A KR20030065529A (ko) | 2003-08-06 |
KR100864420B1 true KR100864420B1 (ko) | 2008-10-23 |
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KR1020097014804A KR101013522B1 (ko) | 2000-11-30 | 2001-11-29 | 액정 셀을 충전하기 위한 구동 회로 및 방법 |
KR10-2003-7007175A KR20030081336A (ko) | 2000-11-30 | 2001-11-29 | 액정 디스플레이를 위한 구동회로 및 구동방법 |
KR1020027009753A KR20020093798A (ko) | 2000-11-30 | 2001-11-29 | 표시 장치에서 균일한 밝기를 달성하는 방법 및 장치 |
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KR1020097014804A KR101013522B1 (ko) | 2000-11-30 | 2001-11-29 | 액정 셀을 충전하기 위한 구동 회로 및 방법 |
KR10-2003-7007175A KR20030081336A (ko) | 2000-11-30 | 2001-11-29 | 액정 디스플레이를 위한 구동회로 및 구동방법 |
KR1020027009753A KR20020093798A (ko) | 2000-11-30 | 2001-11-29 | 표시 장치에서 균일한 밝기를 달성하는 방법 및 장치 |
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US (2) | US7136036B2 (ko) |
EP (3) | EP1356447A4 (ko) |
JP (3) | JP2004514948A (ko) |
KR (4) | KR100864420B1 (ko) |
CN (3) | CN1420997A (ko) |
AU (3) | AU2002217961A1 (ko) |
BR (3) | BR0107947A (ko) |
MX (3) | MXPA02007368A (ko) |
WO (3) | WO2002045067A1 (ko) |
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