KR101009679B1 - 액정표시장치의 구동장치 - Google Patents
액정표시장치의 구동장치 Download PDFInfo
- Publication number
- KR101009679B1 KR101009679B1 KR1020030091785A KR20030091785A KR101009679B1 KR 101009679 B1 KR101009679 B1 KR 101009679B1 KR 1020030091785 A KR1020030091785 A KR 1020030091785A KR 20030091785 A KR20030091785 A KR 20030091785A KR 101009679 B1 KR101009679 B1 KR 101009679B1
- Authority
- KR
- South Korea
- Prior art keywords
- data
- liquid crystal
- bits
- bit
- timing controller
- Prior art date
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
-
- 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
- G09G2310/0264—Details of driving circuits
- G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
-
- 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
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- 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
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
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- 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 (AREA)
Abstract
Description
6bit 입력 데이터 | 8bit 드라이브 IC | 표현계조 |
000000 |
000000XX(00) | 0계조 |
000000XX(01) | ||
000000XX(10) | ||
000000XX(11) | ||
000001 |
000001XX(00) | 1계조 |
000001XX(01) | ||
000001XX(10) | ||
000001XX(11) | ||
000010 |
000010XX(00) | 2계조 |
000010XX(01) | ||
000010XX(10) | ||
000010XX(11) | ||
|
||
111111 |
111111XX(00) | 63계조 |
111111XX(01) | ||
111111XX(10) | ||
111111XX(11) |
6bit 입력 데이터 | 8bit 드라이브 IC | 표현계조 |
000000 |
00000000 | 0계조 |
00000000 | ||
00000000 | ||
00000000 | ||
000001 |
00000100 | 1계조 |
00000100 | ||
00000100 | ||
00000100 | ||
000010 |
00001000 | 2계조 |
00001000 | ||
00001000 | ||
00001000 | ||
|
||
111111 |
11111100 | 63계조 |
11111100 | ||
11111100 | ||
11111100 |
6bit 입력 데이터 | 8bit 드라이브 IC | 표현계조 |
000000 |
00000011 | 0계조 |
00000011 | ||
00000011 | ||
00000011 | ||
000001 |
00000111 | 1계조 |
00000111 | ||
00000111 | ||
00000111 | ||
000010 |
00001011 | 2계조 |
00001011 | ||
00001011 | ||
00001011 | ||
|
||
111111 |
11111111 | 63계조 |
11111111 | ||
11111111 | ||
11111111 |
Claims (5)
- 6비트 데이터를 출력하는 타이밍 콘트롤러, 및상기 타이밍 콘트롤러로부터 제공된 상기 6비트 데이터를 상위 6비트로 입력받고, 화상의 명암을 강조하기 위해 미리 설정된 값을 하위 2비트로 입력받아서 64계조를 표현하는 다수의 8비트 데이터 집적회로를 구비하는 것을 특징으로 하는 액정표시장치의 구동장치.
- 제 1항에 있어서,액정패널에서 어두운 화면이 강조될 수 있도록 상기 하위 2비트로 "00"의 값이 입력되는 것을 특징으로 하는 액정표시장치의 구동장치.
- 제 2항에 있어서,상기 하위 2비트로 기저전압원의 전압이 공급되는 것을 특징으로 하는 액정표시장치의 구동장치.
- 제 1항에 있어서,액정패널에서 밝은 화면이 강조될 수 있도록 상기 하위 2비트로 "11"의 값이 입력되는 것을 특징으로 하는 액정표시장치의 구동장치.
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030091785A KR101009679B1 (ko) | 2003-12-16 | 2003-12-16 | 액정표시장치의 구동장치 |
US10/963,605 US7843474B2 (en) | 2003-12-16 | 2004-10-14 | Driving apparatus for liquid crystal display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030091785A KR101009679B1 (ko) | 2003-12-16 | 2003-12-16 | 액정표시장치의 구동장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050060221A KR20050060221A (ko) | 2005-06-22 |
KR101009679B1 true KR101009679B1 (ko) | 2011-01-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030091785A KR101009679B1 (ko) | 2003-12-16 | 2003-12-16 | 액정표시장치의 구동장치 |
Country Status (1)
Country | Link |
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KR (1) | KR101009679B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100757663B1 (ko) * | 2005-12-09 | 2007-09-10 | 매그나칩 반도체 유한회사 | 플랫 패널 표시장치 및 그 구동방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010004879A (ko) * | 1999-06-30 | 2001-01-15 | 김영환 | 액정 표시 장치의 영상 신호 입력 장치 |
US20020149556A1 (en) * | 1998-09-14 | 2002-10-17 | Seiko Epson Corporation | Liquid crystal display apparatus, driving method therefor, and display system |
US20020175886A1 (en) * | 2001-05-25 | 2002-11-28 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display with light shutter and method for driving the same |
US20050161220A1 (en) * | 2004-01-27 | 2005-07-28 | Todd Bradley L. | Fluid loss control additives for use in fracturing subterranean formations |
-
2003
- 2003-12-16 KR KR1020030091785A patent/KR101009679B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020149556A1 (en) * | 1998-09-14 | 2002-10-17 | Seiko Epson Corporation | Liquid crystal display apparatus, driving method therefor, and display system |
KR20010004879A (ko) * | 1999-06-30 | 2001-01-15 | 김영환 | 액정 표시 장치의 영상 신호 입력 장치 |
US20020175886A1 (en) * | 2001-05-25 | 2002-11-28 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display with light shutter and method for driving the same |
US20050161220A1 (en) * | 2004-01-27 | 2005-07-28 | Todd Bradley L. | Fluid loss control additives for use in fracturing subterranean formations |
Also Published As
Publication number | Publication date |
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KR20050060221A (ko) | 2005-06-22 |
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