KR970066585A - Liquid crystal display panel inspection device - Google Patents

Liquid crystal display panel inspection device Download PDF

Info

Publication number
KR970066585A
KR970066585A KR1019970007942A KR19970007942A KR970066585A KR 970066585 A KR970066585 A KR 970066585A KR 1019970007942 A KR1019970007942 A KR 1019970007942A KR 19970007942 A KR19970007942 A KR 19970007942A KR 970066585 A KR970066585 A KR 970066585A
Authority
KR
South Korea
Prior art keywords
liquid crystal
crystal display
display panel
optical path
changing means
Prior art date
Application number
KR1019970007942A
Other languages
Korean (ko)
Other versions
KR100247260B1 (en
Inventor
유키히로 히라이
츠카사 쿠도
Original Assignee
하세가와 요시에이
니혼 마이크로닉스 가부시키가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP8092977A external-priority patent/JPH09258156A/en
Priority claimed from JP8094683A external-priority patent/JPH09258157A/en
Application filed by 하세가와 요시에이, 니혼 마이크로닉스 가부시키가이샤 filed Critical 하세가와 요시에이
Publication of KR970066585A publication Critical patent/KR970066585A/en
Application granted granted Critical
Publication of KR100247260B1 publication Critical patent/KR100247260B1/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/1306Details
    • G02F1/1309Repairing; Testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8803Visual inspection
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8887Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Liquid Crystal (AREA)

Abstract

검사장치의 높이 치수를 작게하기 위한 것으로, 액정 표시 패널의 검사장치는 액정표시패널(12)을 배치하는 측정 스테이지(22)와, 상기 측정 스테이지에 배치된 액정표시패널을 촬상하는 텔레비젼카메라(42)와, 상기 액정표시패널에서의 광(38)을 작업자에 의해서 육안 검사 위치 또는 상기 텔레비젼카메라로 향하기 위해서는 상기 광의 광로를 상하방향에 대해서 각도를 가지는 방향으로 변경하는 광로 변경수단(36)을 포함한다.In order to reduce the height dimension of the inspection apparatus, the inspection apparatus of the liquid crystal display panel includes a measurement stage 22 for arranging the liquid crystal display panel 12 and a television camera 42 for imaging the liquid crystal display panel disposed in the measurement stage. And an optical path changing means 36 for changing the optical path of the light in an angle with respect to the vertical direction in order to direct the light 38 in the liquid crystal display panel to the human eye inspection position or the television camera. do.

Description

액정표시패널의 검사장치Liquid crystal display panel inspection device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 검사장치의 제1실시예도를 도시하는 정면도.1 is a front view showing a first embodiment of the inspection apparatus according to the present invention.

Claims (9)

액정표시패널(12)을 배치하는 측정스테이지(22)와, 상기 측정스테이지에 배치된 액정표시패널을 촬상하는 텔레비전카메라(42)와, 상기 액정표시패널에서의 광(38)을 작업자에 의한 육안검사위치 또는 상기 텔레비전카메라로 향하기 위해 상기 광의 광로를 상하방향에 대해 각도를 가지는 방향으로 변경하는 광로 변경수단(36)를 포함하는 것을 특징으로 하는 액정표시패널의 검사장치.The measurement stage 22 which arranges the liquid crystal display panel 12, the television camera 42 which image | photographs the liquid crystal display panel arrange | positioned at the said measurement stage, and the light 38 in the said liquid crystal display panel by a human eye And an optical path changing means (36) for changing the optical path of the light in a direction having an angle with respect to the vertical direction to face the inspection position or the television camera. 제1항에 있어서, 상기 광로변경수단(36)을 상기 광로변경수단에 대하여 광의 입사각 및 반사각을 변경가능하게 지지하는 지지수단(20,23,64,84,100,102,104,106)을 추가로 포함하는 것을 특징으로 하는 액정표시패널의 검사장치.The method of claim 1, further comprising: support means (20, 23, 64, 84, 100, 102, 104, 106) for supporting the optical path changing means (36) so as to change the incident angle and the reflection angle of light with respect to the optical path changing means. Inspection device for liquid crystal display panels. 제2항에 있어서, 상기 지지수단(20,32,64,84)은 상기 광로변경수단(36)을 상기 광보변경수단이 상기 액정표시패널(12)에서의 광(38)을 상기 텔레비전카메라(42)로 향하는제1위치와, 상기 광로변경수단이 상기 액정표시패털과 상기 제1위치와의 사이의 광로 바깥으로 되는 제1위치로 선택적으로 변위가능하게 지지하는 것을 특징으로 하는 액정표시패널의 검사장치.3. The display apparatus according to claim 2, wherein the support means (20, 32, 64, 84) comprises the optical path changing means (36), and the optical beam changing means transmits the light (38) from the liquid crystal display panel (12). 42. A liquid crystal display panel, characterized in that the first position toward 42 and the optical path changing means are selectively supported to be displaceable to the first position which is out of the optical path between the liquid crystal display panel and the first position. Inspection device. 제1항, 제2항 또는 제3항에 있어서, 상기 측정스테이지(22)는 액정표시패널(12)을 수평의 상태 또는 경사진 상태로 지지하는 받침부(22a)를 가지는 것을 특징으로 하는 액정표시패널의 검사장치.4. The liquid crystal according to claim 1, 2 or 3, wherein the measuring stage 22 has a supporting portion 22a for supporting the liquid crystal display panel 12 in a horizontal state or an inclined state. Inspection device of display panel. 제3항에 있어서, 상기 측정스테이지(22)는 액정표시패널(12)을 수평의 상태 또는 경사진 상태로 지지하는 받침부(22a)를 가지고, 상기 제1위치는 상기 받침부에서 상기 받침부상의 액정표시패널에 대해 수직의 방향으로 이격된 장소인 것을 특징으로 하는 액정표시패널의 검사장치.4. The measuring stage (22) according to claim 3, wherein the measuring stage (22) has a supporting portion (22a) for supporting the liquid crystal display panel (12) in a horizontal state or an inclined state, wherein the first position is on the supporting portion in the supporting portion. And a place spaced apart in a direction perpendicular to the liquid crystal display panel of the liquid crystal display panel. 제2항, 제3항 또는 제5항에 있어서, 상기 지지수단은 상기 텔레비전카메라(42)에 의해 촬상범위를 덮는 커버(32)를 포함하고, 상기 광로변경수단(36)은 상기 커버의 내측에 배치되어 있고, 상기 커버는 상기 광로변경수단에 제1위치와 상기 제2위치로 선택적으로 이동하기 위한 변위가능한 것을 특징으로 하는 액정표시패널의 검사장치.6. The support means according to claim 2, 3 or 5, wherein the support means includes a cover 32 covering the imaging range by the television camera 42, and the optical path changing means 36 is inside the cover. And the cover is displaceable for selectively moving to the optical path changing means at a first position and the second position. 제2항, 제3항 또는 제5항에 있어서, 상기 지지수단은 상기 텔레비전카메라(42)에 의해 촬상범위를 덮는 커버(32)로서 상기 측정스테이지(22)를 관찰하는 개구(62)를 가지는 커버(32)와, 상기 개구는 개페하는 덮개(64)를 포함하고, 상기 광로변경수단(36)은 상기 덮개의 내측에 배치되어 있고, 상기 덮개로 상기 광로변경수단 제1위치와 상기 제2위치로 선택적으로 이동하기 위한 변위가능한 것을 특징으로 하는 액정표시패널의 검사장치.6. The support means according to claim 2, 3 or 5, wherein the support means has an opening 62 for observing the measuring stage 22 as a cover 32 covering the imaging range by the television camera 42. The cover 32 and the opening include a cover 64 which opens, and the optical path changing means 36 is disposed inside the cover, and the cover is the first position of the optical path changing means and the second. And a displaceable device for selectively moving to a position. 제2항에 있어서,상기 지지수단은 상기 광로변경수단(36)을 상기 광로변경수단이 상기 액정표시패널(12)에서의 광을 상기 텔레비전카메라(42)로 향하는 제1위치와, 상기 액정표시패널에서의 광을 작업자에 의한 육안 검사위치로 향하는 제2위치로 선택적으로 변위가능하게 지지하는 것을 특징으로 하는 액정표시패널의 검사장치.3. The liquid crystal display according to claim 2, wherein the support means includes a first position in which the optical path changing means 36 directs the light in the liquid crystal display panel 12 to the television camera 42, and the liquid crystal display. An inspection apparatus for a liquid crystal display panel, wherein the light from the panel is selectively supported to be displaceable to a second position facing a visual inspection position by an operator. 제2항에 있어서,상기 지지수단은 상기 광로변경수단(36)을 상기 광로변경수단이 상기 액정표시패널(12)에서의 광을 작업자에 의해 제1위치와, 상기 광로변경수단이 상기 액정표시패널과의 상기 제1위치와의 사이의 광로 바깥으로 되는 제2위치에서 선택적으로 변위가능하게 지지하는 것을 특징으로 하는 액정표시패널의 검사장치.According to claim 2, The supporting means is the optical path changing means 36, the optical path changing means is a first position by the operator to the light in the liquid crystal display panel 12, and the optical path changing means is the liquid crystal display And selectively displaceable at a second position which is out of the optical path between the panel and the first position. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019970007942A 1996-03-25 1997-03-10 A test device of lcd panel KR100247260B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP8092977A JPH09258156A (en) 1996-03-25 1996-03-25 Inspecting device for liquid crystal display panel
JP96-92977 1996-03-25
JP96-94683 1996-03-26
JP8094683A JPH09258157A (en) 1996-03-26 1996-03-26 Liquid crystal panel inspecting device

Publications (2)

Publication Number Publication Date
KR970066585A true KR970066585A (en) 1997-10-13
KR100247260B1 KR100247260B1 (en) 2000-03-15

Family

ID=26434345

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970007942A KR100247260B1 (en) 1996-03-25 1997-03-10 A test device of lcd panel

Country Status (1)

Country Link
KR (1) KR100247260B1 (en)

Also Published As

Publication number Publication date
KR100247260B1 (en) 2000-03-15

Similar Documents

Publication Publication Date Title
US5430538A (en) Apparatus to assist in the qualitative evaluation of faceted gems
MY112201A (en) Liquid crystal display
DK0469856T3 (en) Spectacular and illuminating video sample
CN1311888A (en) Display device
FR2433330A1 (en) RADIATION DIVIDING DEVICE FOR AN ENDOSCOPE COMPRISING AN AUXILIARY OBSERVATION SYSTEM
CA2057833A1 (en) Apparatus for Monitoring Moving Aquatic Organisms
Bathel et al. Development of a self-aligned compact focusing Schlieren system for NASA test facilities
KR980007524A (en) High resolution image pickup method and apparatus therefor
US4753527A (en) Visual acuity testing apparatus
JPH0587739A (en) Device for inspecting defect of transparent body
KR970066585A (en) Liquid crystal display panel inspection device
DK0797362T3 (en) Test system for optical and electro-optical viewing systems
JPH0798280A (en) Visual inspection apparatus
US3505868A (en) Viewing device for liquid level gages
KR102576137B1 (en) Inspection Device of Ultra Thin Glass
JPH10314116A (en) Index presenting device
JP3086051B2 (en) Reading range display for bar code reader
KR950005647Y1 (en) Resolution inspector for optical system
SE8703315D0 (en) IMAGE SYSTEM WITH IMAGE RECORDING DEVICE AND IMAGE DISPLAYING DEVICE
CA1093871A (en) Optical system for visual analysis of two assemblies by superimposing of an image onto an assembly
KR100388270B1 (en) Optical Apparatus of Rear Projector
JPS6041549Y2 (en) film projector
KR200312580Y1 (en) Speech table that applied optical device for spatial image
JP2597646Y2 (en) microscope
KR970029426A (en) Tilt automatic inspection device for hologram element and mirror mounting part of optical pickup base

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20091001

Year of fee payment: 13

LAPS Lapse due to unpaid annual fee