KR100468614B1 - 액정 표시 장치를 위한 저전력 컬럼 구동 방법 - Google Patents
액정 표시 장치를 위한 저전력 컬럼 구동 방법 Download PDFInfo
- Publication number
- KR100468614B1 KR100468614B1 KR10-2000-0062927A KR20000062927A KR100468614B1 KR 100468614 B1 KR100468614 B1 KR 100468614B1 KR 20000062927 A KR20000062927 A KR 20000062927A KR 100468614 B1 KR100468614 B1 KR 100468614B1
- Authority
- KR
- South Korea
- Prior art keywords
- column
- level
- driving
- phase
- driver
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G09G3/3685—Details of drivers for data electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0248—Precharge or discharge of column electrodes before or after applying exact column voltages
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
- G09G2330/023—Power management, e.g. power saving using energy recovery or conservation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (3)
- 제1 내지 제3 외부 커패시터를 구비하여 출력 구동부의 신호를 액정 표시 장치 내 다수의 컬럼 라인으로 구동하는 컬럼 구동기를 3-레벨 4-페이즈 방식으로 구동하는 컬럼 구동 방법에 있어서,제1 내지 제3 레벨로 상기 제1 내지 제3 외부 커패시터 각각에 전하를 저장하되, 저장된 전하를 사용하지 않고 직접 상기 컬럼 라인을 구동한 후에상기 다수의 컬럼 라인을 임의의 전압값으로 등화시킨 후 상기 저장된 전하를 리사이클링하여 상기 컬럼 라인을 구동하는 것을 특징으로 하는 컬럼 구동 방법.
- 제 1 항에 있어서, 상기 제1 내지 제3 외부 커패시터 중 어느 하나의 외부 커패시터는,항상 양 전압에서 동작하는 것을 특징으로 하는 컬럼 구동 방법.
- 제 1 항에 있어서, 상기 제1 내지 제3 외부 커패시터 중 어느 하나의 외부 커패시터는,항상 음 전압에서 동작하는 것을 특징으로 하는 컬럼 구동 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0062927A KR100468614B1 (ko) | 2000-10-25 | 2000-10-25 | 액정 표시 장치를 위한 저전력 컬럼 구동 방법 |
US09/939,786 US6650310B2 (en) | 2000-10-25 | 2001-08-28 | Low-power column driving method for liquid crystal display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0062927A KR100468614B1 (ko) | 2000-10-25 | 2000-10-25 | 액정 표시 장치를 위한 저전력 컬럼 구동 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020032052A KR20020032052A (ko) | 2002-05-03 |
KR100468614B1 true KR100468614B1 (ko) | 2005-01-31 |
Family
ID=19695370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0062927A KR100468614B1 (ko) | 2000-10-25 | 2000-10-25 | 액정 표시 장치를 위한 저전력 컬럼 구동 방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6650310B2 (ko) |
KR (1) | KR100468614B1 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1250697A1 (en) * | 2000-01-21 | 2002-10-23 | Ultrachip, Inc. | System for driving a liquid crystal display with power saving and other improved features |
KR100659065B1 (ko) * | 2004-10-12 | 2006-12-19 | 삼성에스디아이 주식회사 | 에너지 재생을 수행하는 전계발광 디스플레이 패널의 구동장치 |
TWI267820B (en) * | 2004-12-07 | 2006-12-01 | Novatek Microelectronics Corp | Source driver and panel displaying device |
US20060227080A1 (en) * | 2005-04-07 | 2006-10-12 | Cheermore Huang | Charge-recycling circuit of display device |
KR100756275B1 (ko) * | 2006-04-28 | 2007-09-06 | 엘지전자 주식회사 | 발광 소자 및 이를 구동하는 방법 |
US7956833B2 (en) * | 2006-06-16 | 2011-06-07 | Seiko Epson Corporation | Display driver, electro-optical device, and electronic instrument |
TW201306005A (zh) * | 2011-07-22 | 2013-02-01 | Novatek Microelectronics Corp | 可分享電荷之顯示器驅動裝置及驅動方法 |
TWI451394B (zh) | 2011-12-30 | 2014-09-01 | Orise Technology Co Ltd | 應用於顯示面板之控制裝置及其控制方法 |
TWI455095B (zh) * | 2012-06-27 | 2014-10-01 | Novatek Microelectronics Corp | 電泳顯示器資料驅動器 |
TWI498876B (zh) | 2012-10-12 | 2015-09-01 | Orise Technology Co Ltd | 具有省電機制的源極驅動裝置及其所應用的平面顯示器 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6489773A (en) * | 1987-08-24 | 1989-04-04 | Philips Nv | Addressing device for active display |
KR19980076166A (ko) * | 1997-04-07 | 1998-11-16 | 권오경 | 전하 재활용 tft-lcd의 구동회로 및 방법 |
KR20000044649A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 박막트랜지스터 액정표시장치의 패널 구동방법 |
KR20000061731A (ko) * | 1999-03-30 | 2000-10-25 | 김영환 | 티에프티 엘씨디 칼럼 구동 장치 및 그 구동 방법 |
KR20010001328A (ko) * | 1999-06-03 | 2001-01-05 | 권오경 | 다단계 전하 재활용을 이용한 tft-lcd 및 그 방법 |
US6201522B1 (en) * | 1994-08-16 | 2001-03-13 | National Semiconductor Corporation | Power-saving circuit and method for driving liquid crystal display |
-
2000
- 2000-10-25 KR KR10-2000-0062927A patent/KR100468614B1/ko active IP Right Grant
-
2001
- 2001-08-28 US US09/939,786 patent/US6650310B2/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6489773A (en) * | 1987-08-24 | 1989-04-04 | Philips Nv | Addressing device for active display |
US6201522B1 (en) * | 1994-08-16 | 2001-03-13 | National Semiconductor Corporation | Power-saving circuit and method for driving liquid crystal display |
KR19980076166A (ko) * | 1997-04-07 | 1998-11-16 | 권오경 | 전하 재활용 tft-lcd의 구동회로 및 방법 |
KR20000044649A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 박막트랜지스터 액정표시장치의 패널 구동방법 |
KR20000061731A (ko) * | 1999-03-30 | 2000-10-25 | 김영환 | 티에프티 엘씨디 칼럼 구동 장치 및 그 구동 방법 |
KR20010001328A (ko) * | 1999-06-03 | 2001-01-05 | 권오경 | 다단계 전하 재활용을 이용한 tft-lcd 및 그 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20020063668A1 (en) | 2002-05-30 |
US6650310B2 (en) | 2003-11-18 |
KR20020032052A (ko) | 2002-05-03 |
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