KR101084941B1 - 액정표시장치 및 그 구동방법 - Google Patents
액정표시장치 및 그 구동방법 Download PDFInfo
- Publication number
- KR101084941B1 KR101084941B1 KR1020040059827A KR20040059827A KR101084941B1 KR 101084941 B1 KR101084941 B1 KR 101084941B1 KR 1020040059827 A KR1020040059827 A KR 1020040059827A KR 20040059827 A KR20040059827 A KR 20040059827A KR 101084941 B1 KR101084941 B1 KR 101084941B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- goe
- control signal
- data
- liquid crystal
- 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.)
- Expired - Lifetime
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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
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G09G3/3614—Control of polarity reversal in general
-
- 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
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (16)
- 게이트 구동을 위한 제 1 제어신호와 데이터 구동을 위한 제 2 제어신호를 생성하고, 상기 제 1 제어신호에 포함된 GOE 신호를 바탕으로 서로 상이한 폭을 갖는 제 1 및 제 2 GOE 신호를 생성하는 제어부;상기 제 1 제어신호 그리고 제 1 및 제 2 GOE 신호에 응답하여 서로 상이한 폭을 갖는 제 1 및 제 2 스캔신호를 순차적으로 공급하는 게이트 드라이버;상기 제 2 제어신호에 응답하여 소정의 데이터 신호를 극성 반전시켜 공급하는 데이터 드라이버; 및상기 데이터 신호를 표시하는 액정패널을 포함하고,상기 제1 GOE 신호는 상기 GOE 신호와 제1 마스킹 신호와의 곱에 의해 기수번째 마다 생성되고, 상기 제2 GOE 신호는 상기 GOE 신호의 폭을 증가시킨 다음, 상기 제1 마스킹 신호에 반대 극성을 갖는 제2 마스킹 신호와의 곱에 의해 우수번째 마다 생성되는 것을 특징으로 하는 액정표시 장치.
- 제 1항에 있어서,상기 제 1 및 제 2 스캔신호는 상기 액정패널의 기수번째 및 우수번째 게이트 라인들에 순차적으로 공급되는 것을 특징으로 하는 액정표시장치.
- 제 1항에 있어서,상기 제 2 GOE 신호는 제 1 GOE 신호보다 폭이 큰 것을 특징으로 하는 액정표시 장치.
- 삭제
- 삭제
- 제 1항에 있어서,상기 제 1 스캔신호는 상기 제 1 제어신호 및 상기 제 1 GOE 신호에 응답하여 기수번째 마다 공급되는 것을 특징으로 하는 액정표시장치.
- 제 1항에 있어서,상기 제 2 스캔신호는 상기 제 1 제어신호 및 상기 제 2 GOE 신호에 응답하여 우수번째 마다 공급되는 것을 특징으로 하는 액정표시장치.
- 제 1항에 있어서,상기 제 2 스캔 신호의 폭은 상기 제 2 GOE 신호의 증가폭만큼 감소되는 것을 특징으로 하는 액정표시장치.
- 게이트 구동을 위한 제 1 제어신호와 데이터 구동을 위한 제 2 제어신호를 생성하고, 상기 제 1 제어신호에 포함된 GOE 신호를 바탕으로 서로 상이한 폭을 갖는 제 1 및 제 2 GOE 신호를 생성하는 단계;상기 제 1 제어신호 그리고 제 1 및 제 2 GOE 신호에 응답하여 서로 상이한 폭을 갖는 제 1 및 제 2 스캔신호를 순차적으로 공급하는 단계;상기 제 2 제어신호에 응답하여 소정의 데이터 신호를 극성 반전시켜 공급하는 단계; 및상기 데이터 신호를 표시하는 단계를 포함하고,상기 제1 GOE 신호는 상기 GOE 신호와 제1 마스킹 신호와의 곱에 의해 기수번째 마다 생성되고, 상기 제2 GOE 신호는 상기 GOE 신호의 폭을 증가시킨 다음 상기 제1 마스킹 신호에 반대 극성을 갖는 제2 마스킹 신호와의 곱에 의해 우수번째 마다 생성되는 것을 특징으로 하는 액정표시 장치의 구동방법.
- 제 9항에 있어서,상기 제 1 및 제 2 스캔신호는 액정패널의 기수번째 및 우수번째 게이트 라인들에 순차적으로 공급되는 것을 포함하는 액정표시장치의 구동방법.
- 제 9항에 있어서,상기 제 2 GOE 신호는 제 1GOE 신호보다 폭이 크도록 설정하는 것을 특징으로 하는 액정표시 장치의 구동방법.
- 삭제
- 삭제
- 제 9항에 있어서,상기 제 1 스캔신호는 상기 제 1 제어신호 및 상기 제 1 GOE 신호에 응답하여 기수번째 마다 공급되는 것을 특징으로 하는 액정표시장치의 구동방법.
- 제 9항에 있어서,상기 제 2 스캔신호는 상기 제 1 제어신호 및 상기 제 2 GOE 신호에 응답하여 우수번째 마다 공급되는 것을 특징으로 하는 액정표시장치의 구동방법.
- 제 9항에 있어서,상기 제 2 스캔 신호의 폭은 상기 제 2 GOE신호의 증가폭만큼 감소하는 것을 특징으로 하는 액정표시장치의 구동방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040059827A KR101084941B1 (ko) | 2004-07-29 | 2004-07-29 | 액정표시장치 및 그 구동방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040059827A KR101084941B1 (ko) | 2004-07-29 | 2004-07-29 | 액정표시장치 및 그 구동방법 |
Publications (2)
Publication Number | Publication Date |
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KR20060011140A KR20060011140A (ko) | 2006-02-03 |
KR101084941B1 true KR101084941B1 (ko) | 2011-11-17 |
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KR1020040059827A Expired - Lifetime KR101084941B1 (ko) | 2004-07-29 | 2004-07-29 | 액정표시장치 및 그 구동방법 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101278001B1 (ko) * | 2006-02-07 | 2013-06-27 | 엘지디스플레이 주식회사 | 액정표시장치와 그 구동방법 |
KR101311677B1 (ko) * | 2006-04-03 | 2013-09-25 | 엘지디스플레이 주식회사 | 액정표시장치와 그 구동방법 |
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- 2004-07-29 KR KR1020040059827A patent/KR101084941B1/ko not_active Expired - Lifetime
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