KR100994756B1 - 컬러필터기판의 인쇄상태 검사장비 및 검사방법 - Google Patents
컬러필터기판의 인쇄상태 검사장비 및 검사방법 Download PDFInfo
- Publication number
- KR100994756B1 KR100994756B1 KR1020080081724A KR20080081724A KR100994756B1 KR 100994756 B1 KR100994756 B1 KR 100994756B1 KR 1020080081724 A KR1020080081724 A KR 1020080081724A KR 20080081724 A KR20080081724 A KR 20080081724A KR 100994756 B1 KR100994756 B1 KR 100994756B1
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- KR
- South Korea
- Prior art keywords
- color
- color filter
- filter substrate
- intensity
- pattern
- Prior art date
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/09—Ink jet technology used for manufacturing optical filters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- General Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Optical Filters (AREA)
- Liquid Crystal (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
Description
Claims (11)
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- 잉크젯 인쇄방법으로 제조되어 일정한 크기와 모양을 갖는 컬러패턴(11)으로 적색, 녹색, 청색 컬러가 각각 인쇄되는 액정표시소자 컬러필터기판의 인쇄상태 불량을 검사하는 컬러필터기판의 인쇄상태 검사방법에 있어서,a) 상기 컬러필터기판(10)의 하부에 구비되는 광원(20)에 의해 상기 컬러필터기판(10)으로 광을 조사하여 투영시키는 단계;b) 상기 컬러필터기판(10)의 상부에 구비된 2차원 이미지 검출기(30)에 의해 상기 광원(20)으로부터 상기 컬러필터기판(10)을 투과한 투과광의 세기를 검출하는 단계;c) 상기 2차원 이미지 검출기(30)로부터 검출된 투과광의 세기를 상기 2차원 이미지 검출기(30)의 화소(31)별로 이미지 처리하되, 상기 컬러패턴(11)의 내측에서 상기 컬러패턴(11)과 동일한 모양을 가지며 상기 컬러패턴(11)보다 작은 크기를 갖는 컬러패턴(11)에 상응하는 면적을 상기 2차원 이미지 검출기(30)의 화소(31)로 채택하여 각 화소(31)에 해당하는 투과광의 세기에 따른 적색, 녹색, 청색의 비율을 각각 계산하는 단계;d) 컬러필터기판의 각 컬러패턴(11)의 색도를 측정하는 단계;e) 측정된 색도값과 b) 단계에서 검출된 투과광의 세기 데이터 및 c) 단계에서 계산된 색 비율값을 이용하여 컬러필터기판의 각 컬러패턴(11)의 색 비율 좌표값을 얻는 단계;f) 계산된 비율 및 색 비율 좌표값을 이용하여 컬러필터기판의 불량을 판별하는 단계;를 포함하여 이루어지는 것을 특징으로 하는 컬러필터기판의 인쇄상태 검사방법.
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Priority Applications (1)
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KR1020080081724A KR100994756B1 (ko) | 2008-08-21 | 2008-08-21 | 컬러필터기판의 인쇄상태 검사장비 및 검사방법 |
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KR1020080081724A KR100994756B1 (ko) | 2008-08-21 | 2008-08-21 | 컬러필터기판의 인쇄상태 검사장비 및 검사방법 |
Publications (2)
Publication Number | Publication Date |
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KR20100023124A KR20100023124A (ko) | 2010-03-04 |
KR100994756B1 true KR100994756B1 (ko) | 2010-11-16 |
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KR1020080081724A KR100994756B1 (ko) | 2008-08-21 | 2008-08-21 | 컬러필터기판의 인쇄상태 검사장비 및 검사방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102474125B1 (ko) | 2022-04-11 | 2022-12-05 | 주식회사 머신앤비전 | 퀀텀닷 디스플레이용 휘도 얼룩 고속검사장치 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11288021B2 (en) | 2016-05-18 | 2022-03-29 | Hewlett-Packard Development Company, L.P. | Lighting element adjustment towards target profile |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10281932A (ja) * | 1997-04-11 | 1998-10-23 | Dainippon Printing Co Ltd | カラーフィルタ基板の検査装置 |
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- 2008-08-21 KR KR1020080081724A patent/KR100994756B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10281932A (ja) * | 1997-04-11 | 1998-10-23 | Dainippon Printing Co Ltd | カラーフィルタ基板の検査装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102474125B1 (ko) | 2022-04-11 | 2022-12-05 | 주식회사 머신앤비전 | 퀀텀닷 디스플레이용 휘도 얼룩 고속검사장치 |
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