KR20020093625A - 액정 표시 장치 - Google Patents
액정 표시 장치 Download PDFInfo
- Publication number
- KR20020093625A KR20020093625A KR1020020031962A KR20020031962A KR20020093625A KR 20020093625 A KR20020093625 A KR 20020093625A KR 1020020031962 A KR1020020031962 A KR 1020020031962A KR 20020031962 A KR20020031962 A KR 20020031962A KR 20020093625 A KR20020093625 A KR 20020093625A
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- video signal
- signal
- circuit
- pixel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 246
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
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- 229910052782 aluminium Inorganic materials 0.000 description 4
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- 239000010937 tungsten Substances 0.000 description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G09G3/2011—Display of intermediate tones by amplitude modulation
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- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
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- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
Description
Claims (12)
- 액정 표시 장치에 있어서,액정 패널과,상기 액정 패널에 영상 신호를 공급하는 영상 신호 제어 회로를 구비하고,상기 영상 신호선 제어 회로로부터 상기 액정 패널에 복수의 영상 신호선이 전기적으로 접속되며, 상기 영상 신호선 제어 회로에는 상기 영상 신호선마다 영상 신호를 출력하는 증폭 회로가 형성되고,상기 영상 신호 제어 회로는 디지털 신호로부터 아날로그 신호를 형성하고, 상기 아날로그 신호를 증폭하여 상기 증폭 회로로부터 상기 영상 신호로서 출력하고, 상기 증폭 회로 간의 출력 변동을 상기 디지털 신호의 값을 변환함으로써 보정하는 것을 특징으로 하는 액정 표시 장치.
- 액정 표시 장치에 있어서,액정 패널과,상기 액정 패널을 형성하는 제1 기판 및 제2 기판과,상기 제1 기판과 제2 기판 사이에 삽입된 액정 조성물과,상기 제1 기판에 형성된 복수의 화소와,상기 화소에 영상 신호를 공급하는 구동 회로와,상기 액정 패널에 영상 신호를 공급하는 영상 신호 제어 회로를 구비하고,상기 영상 신호 제어 회로로부터 상기 구동 회로에 복수의 영상 신호선이 전기적으로 접속되며, 상기 영상 신호선마다 영상 신호를 출력하는 출력 회로가 형성되고,상기 영상 신호 제어 회로는 디지털 신호를 아날로그 신호로 변환하는 DA 변환 회로를 구비하고, 상기 DA 변환 회로로부터 출력되는 아날로그 신호를 상기 출력 회로로부터 출력하고, 상기 영상 신호선마다 형성된 참조표에 의해, 상기 출력 회로 간의 출력 변동을 보정하는 것을 특징으로 하는 액정 표시 장치.
- 제2항에 있어서,상기 제1 기판은 실리콘 기판인 것을 특징으로 하는 액정 표시 장치.
- 제2항에 있어서,표준 참조표를 구비하고, 상기 출력 회로의 변동 보정을 상기 표준 참조표의 값을 변경함으로써 상기 참조표를 작성하는 것을 특징으로 하는 액정 표시 장치.
- 제2항에 있어서,상기 영상 신호선마다 형성된 복수의 참조표를 1칩으로 구성하는 것을 특징으로 하는 액정 표시 장치.
- 제2항에 있어서,상기 참조표에 의해 콘트라스트 또는 휘도를 조정하는 것을 특징으로 하는 액정 표시 장치.
- 제2항에 있어서,상기 참조표에 저장되는 데이터를 외부로부터 송신된 데이터를 이용하여, 마이크로 컴퓨터로 연산하여 참조표에 설정하는 것을 특징으로 하는 액정 표시 장치.
- 제2항에 있어서,복수개의 참조표를 갖고, 영상 신호의 종류에 따라 참조표를 구분하여 사용하는 것을 특징으로 하는 액정 표시 장치.
- 제2항에 있어서,복수개의 참조표를 갖고, 시분할적으로 사용할 참조표를 선택하여 의사적으로 계조수를 늘리는 것을 특징으로 하는 액정 표시 장치.
- 액정 표시 장치에 있어서,액정 패널과,상기 액정 패널을 형성하는 제1 기판과 제2 기판과,상기 제1 기판과 제2 기판 사이에 삽입된 액정 조성물과,상기 제1 기판에 형성된 복수의 화소와,상기 화소에 대향하여 형성된 기준 전극과,상기 화소에 영상 신호를 공급하는 구동 회로와,상기 화소에 접속된 화소 용량과,상기 화소 용량에 화소 전위 제어 신호를 공급하는 화소 전위 제어 신호선과,상기 액정 패널에 영상 신호를 공급하는 영상 신호 제어 회로와,상기 영상 신호선 제어 회로로부터 상기 구동 회로에 전기적으로 접속된 복수의 영상 신호선과, 상기 영상 신호선마다 형성된 영상 신호를 출력하는 출력 회로를 구비하고,상기 영상 신호 제어 회로는 정극성용 디지털 신호를 출력하는 제1 참조표와, 부극성용 디지털 신호를 출력하는 제2 참조표와, 정극성용 디지털 신호를 입력하여 정극성용 아날로그 신호를 출력하고, 부극성용 디지털 신호를 입력하여 부극성용 아날로그 신호를 출력하는 변환 회로를 구비하고,상기 부극성용 아날로그 신호는 영상 신호로서 상기 화소에 입력한 후, 화소 전위 제어 신호에 의해 상기 기준 전극의 전압에 대하여 부극성의 전압이 되는 것을 특징으로 하는 액정 표시 장치.
- 액정 표시 장치에 있어서,액정 패널과,상기 액정 패널에 영상 신호를 공급하는 영상 신호 제어 회로를 구비하고,상기 영상 신호 제어 회로는 프레임 메모리를 구비하고,상기 프레임 메모리로부터 데이터를 판독하는 속도를 조정함으로써, 프레임 구동 주파수를 변환할 수 있는 것을 특징으로 하는 액정 표시 장치.
- 제11항에 있어서,상기 프레임 메모리를 이용하여 컨버전스를 조정하는 액정 표시 장치.
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-
2001
- 2001-06-08 JP JP2001173410A patent/JP4185678B2/ja not_active Expired - Fee Related
-
2002
- 2002-04-19 TW TW091108137A patent/TW580680B/zh not_active IP Right Cessation
- 2002-05-10 US US10/141,942 patent/US6980189B2/en not_active Expired - Lifetime
- 2002-06-06 CN CNB021224188A patent/CN1266665C/zh not_active Expired - Fee Related
- 2002-06-07 KR KR10-2002-0031962A patent/KR100506434B1/ko not_active IP Right Cessation
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101010480B1 (ko) * | 2003-12-23 | 2011-01-21 | 엘지디스플레이 주식회사 | 액정 표시장치 및 그 구동방법 |
KR101463035B1 (ko) * | 2006-10-23 | 2014-11-20 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 그 구동 방법 |
Also Published As
Publication number | Publication date |
---|---|
CN1266665C (zh) | 2006-07-26 |
US6980189B2 (en) | 2005-12-27 |
US20020186192A1 (en) | 2002-12-12 |
US7978162B2 (en) | 2011-07-12 |
TW580680B (en) | 2004-03-21 |
CN1391205A (zh) | 2003-01-15 |
JP2002366119A (ja) | 2002-12-20 |
KR100506434B1 (ko) | 2005-08-11 |
JP4185678B2 (ja) | 2008-11-26 |
US20060050045A1 (en) | 2006-03-09 |
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