KR100919724B1 - 액정표시장치의 잔상개선을 위한 구동방법 - Google Patents
액정표시장치의 잔상개선을 위한 구동방법Info
- Publication number
- KR100919724B1 KR100919724B1 KR1020020065735A KR20020065735A KR100919724B1 KR 100919724 B1 KR100919724 B1 KR 100919724B1 KR 1020020065735 A KR1020020065735 A KR 1020020065735A KR 20020065735 A KR20020065735 A KR 20020065735A KR 100919724 B1 KR100919724 B1 KR 100919724B1
- Authority
- KR
- South Korea
- Prior art keywords
- data
- frame
- afterimage
- liquid crystal
- same
- Prior art date
Links
Classifications
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- G—PHYSICS
- 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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (7)
- 액정표시장치의 구동방법에 있어서,이전 프레임의 데이터를 하나의 프레임 메모리에 저장하고 현재 프레임의 데이터를 다른 프레임 메모리에 저장한 후 비교기를 통해 비교하는 단계와;상기 이전 프레임의 데이터와 현재 프레임의 데이터가 같은 경우 제 1카운터는 프레임 수를 카운트하고 제 2카운터는 사전에 입력된 잔상 발생 예상 시점 까지의 시간을 카운터하되, 상기 잔상 발생 예상 시점 도달 전에 다른 데이터가 입력된 경우 카운터를 리셋하고 현재의 데이터를 송출하고, 상기 잔상 발생 예상 시점 도래시까지 같은 데이터가 입력된 경우 입력 데이터의 1의 보수를 취한 다른 그레이의 데이터를 출력하는 단계와;상기 단계를 반복하여 수행하는 단계를 포함하는 것을 특징으로 하는 액정표시장치의 잔상 개선을 위한 구동 방법.
- 삭제
- 삭제
- 제 1항에 있어서,상기 입력 데이터의 1의 보수를 취한 다른 그레이의 데이터가 출력되는 프레임 수는 설정에 의해 조절될 수 있는 것을 특징으로 하는 액정표시장치의 잔상 개선을 위한 구동 방법.
- 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020065735A KR100919724B1 (ko) | 2002-10-28 | 2002-10-28 | 액정표시장치의 잔상개선을 위한 구동방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020065735A KR100919724B1 (ko) | 2002-10-28 | 2002-10-28 | 액정표시장치의 잔상개선을 위한 구동방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040037295A KR20040037295A (ko) | 2004-05-07 |
KR100919724B1 true KR100919724B1 (ko) | 2009-09-29 |
Family
ID=37335617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020065735A KR100919724B1 (ko) | 2002-10-28 | 2002-10-28 | 액정표시장치의 잔상개선을 위한 구동방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100919724B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10096304B2 (en) | 2015-01-23 | 2018-10-09 | Samsung Electronics Co., Ltd. | Display controller for improving display noise, semiconductor integrated circuit device including the same and method of operating the display controller |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101746616B1 (ko) | 2010-12-29 | 2017-06-14 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 그 구동 방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0863124A (ja) * | 1994-08-19 | 1996-03-08 | Fujitsu General Ltd | 表示面焼付き防止回路 |
JPH08248919A (ja) * | 1995-03-09 | 1996-09-27 | Fujitsu General Ltd | プラズマディスプレイ装置 |
JP2002091392A (ja) * | 2000-09-11 | 2002-03-27 | Hitachi Ltd | 液晶駆動法及び駆動制御装置 |
KR20020028770A (ko) * | 2000-09-05 | 2002-04-17 | 마찌다 가쯔히꼬 | 액티브 매트릭스 lcd용 구동 장치 |
KR100472438B1 (ko) * | 2001-11-14 | 2005-02-21 | 삼성전자주식회사 | 플라즈마 디스플레이 패널의 휘도 감쇠장치 및 방법 |
-
2002
- 2002-10-28 KR KR1020020065735A patent/KR100919724B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0863124A (ja) * | 1994-08-19 | 1996-03-08 | Fujitsu General Ltd | 表示面焼付き防止回路 |
JPH08248919A (ja) * | 1995-03-09 | 1996-09-27 | Fujitsu General Ltd | プラズマディスプレイ装置 |
KR20020028770A (ko) * | 2000-09-05 | 2002-04-17 | 마찌다 가쯔히꼬 | 액티브 매트릭스 lcd용 구동 장치 |
JP2002091392A (ja) * | 2000-09-11 | 2002-03-27 | Hitachi Ltd | 液晶駆動法及び駆動制御装置 |
KR100472438B1 (ko) * | 2001-11-14 | 2005-02-21 | 삼성전자주식회사 | 플라즈마 디스플레이 패널의 휘도 감쇠장치 및 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10096304B2 (en) | 2015-01-23 | 2018-10-09 | Samsung Electronics Co., Ltd. | Display controller for improving display noise, semiconductor integrated circuit device including the same and method of operating the display controller |
Also Published As
Publication number | Publication date |
---|---|
KR20040037295A (ko) | 2004-05-07 |
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