KR100942507B1 - 액정표시패널용 검사 장치 - Google Patents
액정표시패널용 검사 장치 Download PDFInfo
- Publication number
- KR100942507B1 KR100942507B1 KR1020030036172A KR20030036172A KR100942507B1 KR 100942507 B1 KR100942507 B1 KR 100942507B1 KR 1020030036172 A KR1020030036172 A KR 1020030036172A KR 20030036172 A KR20030036172 A KR 20030036172A KR 100942507 B1 KR100942507 B1 KR 100942507B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate
- line
- gate driving
- driving signal
- liquid crystal
- Prior art date
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Classifications
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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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
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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
- G09G3/3674—Details of drivers for scan electrodes
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
Abstract
Description
Claims (4)
- 게이트 라인, 데이터 라인 및 상기 게이트 라인과 데이터 라인에 연결된 화소로 이루어져 영상을 표시하기 위한 액정표시패널에 집적되어 상기 게이트 라인에 게이트 구동신호를 출력하는 게이트 구동부를 검사하기 위한 검사 장치에서,상기 게이트 라인과 전기적으로 연결되어 상기 게이트 구동신호를 수신하는 패드부;상기 패드부와 전기적으로 연결되어 상기 게이트 구동신호를 수신하고 상기 게이트 구동신호에 응답하여 상기 게이트 구동부의 동작 상태를 나타내는 상태신호를 출력하기 위한 검사부; 및상기 게이트 구동신호와 다른 전압레벨을 갖는 신호가 상기 패드부를 통해 상기 게이트 라인으로 입력되는 것을 차단하기 위한 신호 선택부를 포함하는 것을 특징으로 하는 검사 장치.
- 제1항에 있어서, 상기 패드부는,상기 게이트 라인에 전기적으로 연결된 도전라인; 및상기 도전라인으로부터 확장되어 상기 검사부와 전기적으로 연결되기 위한 패드를 포함하는 것을 특징으로 하는 검사 장치.
- 제1항에 있어서, 상기 패드부는 상기 게이트 라인의 양단부에 연결되어 상기 양단부에서의 상기 게이트 구동신호를 상기 검사부로 전송하고,상기 검사부는 상기 양단부로부터 각각 수신된 상기 게이트 구동신호를 비교하여 상기 게이트 구동신호의 지연 상태를 측정하는 것을 특징으로 하는 검사 장 치.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030036172A KR100942507B1 (ko) | 2003-06-05 | 2003-06-05 | 액정표시패널용 검사 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030036172A KR100942507B1 (ko) | 2003-06-05 | 2003-06-05 | 액정표시패널용 검사 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040106911A KR20040106911A (ko) | 2004-12-20 |
KR100942507B1 true KR100942507B1 (ko) | 2010-02-16 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020030036172A KR100942507B1 (ko) | 2003-06-05 | 2003-06-05 | 액정표시패널용 검사 장치 |
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KR (1) | KR100942507B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114355683A (zh) * | 2020-10-12 | 2022-04-15 | 深超光电(深圳)有限公司 | 薄膜晶体管基板以及液晶显示面板 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980079339A (ko) * | 1997-03-19 | 1998-11-25 | 세끼자와 다다시 | 검사회로를 갖는 액정표시장치 |
KR20000014516A (ko) * | 1998-08-21 | 2000-03-15 | 윤종용 | 액정 표시 장치 |
-
2003
- 2003-06-05 KR KR1020030036172A patent/KR100942507B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980079339A (ko) * | 1997-03-19 | 1998-11-25 | 세끼자와 다다시 | 검사회로를 갖는 액정표시장치 |
KR20000014516A (ko) * | 1998-08-21 | 2000-03-15 | 윤종용 | 액정 표시 장치 |
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Publication number | Publication date |
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KR20040106911A (ko) | 2004-12-20 |
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