JP2016126005A - 表示装置の検査装置及び表示装置の検査方法 - Google Patents
表示装置の検査装置及び表示装置の検査方法 Download PDFInfo
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- G—PHYSICS
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/14—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
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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
- G01N21/8422—Investigating thin films, e.g. matrix isolation method
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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
- G01N21/8806—Specially adapted optical and illumination features
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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
- G02F1/1306—Details
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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
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- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8848—Polarisation of light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
Description
100 表示装置
110 表示パネル
120 保護フィルム
210 第1照明ユニット
211 第1光源
212 第1偏光板
220 第2照明ユニット
221 第2光源
222 第2偏光板
230 第3照明ユニット
231 第3光源
232 第3偏光板
300 欠陥検出部
310 撮影ユニット
311 カメラ
312 第4偏光板
320 制御部
230 第3照明ユニット
Claims (10)
- 表示パネル及び前記表示パネル上に配置される保護フィルムを含む表示装置に第1入射角を有するように第1入射光を提供する第1照明ユニットと、
前記表示装置に前記第1入射角より大きい第2入射角を有するように第2入射光を提供する第2照明ユニットと、
前記表示装置に前記第2入射角より大きい第3入射角を有するように第3入射光を提供する第3照明ユニットと、を備え、
前記第1入射光が前記表示装置で第1反射角に反射されて提供される第1反射光、前記第2入射光が前記表示装置で第2反射角に反射されて提供される第2反射光、及び前記第3入射光が前記表示装置で第3反射角に反射されて提供される第3反射光のうち、少なくとも1つの光を受信して、前記表示装置の欠陥を検出する欠陥検出部を含む、表示装置の検査装置。 - 前記第1照明ユニットは、
前記表示装置に光を提供する第1光源と、
前記第1光源及び前記表示装置の間に配置される第1偏光板と、を含み、
前記第1偏光板は、
直線偏光板、円偏光板、又は楕円偏光板である請求項1に記載の表示装置の検査装置。 - 前記第1照明ユニットは、
前記第1光源及び前記表示装置の間に配置されるバンドパスフィルターをさらに含む請求項2に記載の表示装置の検査装置。 - 前記第2照明ユニットは、
前記表示装置に光を提供する第2光源と、
前記第2光源及び前記表示装置の間に配置される第2偏光板と、を含み、
前記第2偏光板は、
直線偏光板、円偏光板、又は楕円偏光板である請求項1に記載の表示装置の検査装置。 - 前記第3照明ユニットは、
前記表示装置に光を提供する第3光源と、
前記第3光源及び前記表示装置の間に配置される第3偏光板と、を含み、
前記第3偏光板は、
直線偏光板、円偏光板、又は楕円偏光板である請求項1に記載の表示装置の検査装置。 - 前記第1照明ユニットは、第1偏光板を含み、
前記第2照明ユニットは、第2偏光板を含み、
前記第3照明ユニットは、第3偏光板を含み、
前記第1偏光板及び前記第2偏光板は、互いに同一の成分を偏光し、
前記第1偏光板及び前記第3偏光板は、互いに異なる成分を偏光する請求項1に記載の表示装置の検査装置。 - 前記欠陥検出部は、
前記第1反射光、前記第2反射光、及び前記第3反射光のうち、少なくとも1つの光を受信して、前記表示装置を撮影する撮影ユニットと、
前記撮影ユニットから表示装置のイメージを受けて前記表示装置の欠陥を検出する制御部と、を含む請求項1に記載の表示装置の検査装置。 - 前記撮影ユニットは、
前記表示装置を撮影するカメラと、
前記カメラ及び前記表示装置の間に配置される第4偏光板と、を含む請求項7に記載の表示装置の検査装置。 - 前記カメラは、CCD(Charge Coupled Device)カメラ及びCMOS(Complementary Metal Oxide Semiconductor)カメラのうち、少なくとも1つを含む請求項8に記載の表示装置の検査装置。
- 前記第1照明ユニットは、第1偏光板を含み、
前記第2照明ユニットは、第2偏光板を含み、
前記第3照明ユニットは、第3偏光板を含み、
前記撮影ユニットは、第4偏光板を含み、
前記第1偏光板及び前記第2偏光板は、互いに同一の成分を偏光し、
前記第3偏光板及び前記第4偏光板は、互いに同一の成分を偏光し、
前記第1偏光板及び前記第3偏光板は、互いに異なる成分を偏光する請求項7に記載の表示装置の検査装置。
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KR1020140192097A KR102250032B1 (ko) | 2014-12-29 | 2014-12-29 | 표시 장치의 검사 장치 및 표시 장치의 검사 방법 |
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JP (1) | JP6890377B2 (ja) |
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CN (1) | CN105738380B (ja) |
TW (1) | TW201623944A (ja) |
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WO2022044951A1 (ja) * | 2020-08-28 | 2022-03-03 | 住友化学株式会社 | 検査方法 |
WO2022044988A1 (ja) * | 2020-08-28 | 2022-03-03 | 住友化学株式会社 | 検査方法 |
WO2022044952A1 (ja) * | 2020-08-28 | 2022-03-03 | 住友化学株式会社 | 検査方法 |
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IT201600095896A1 (it) * | 2016-09-23 | 2018-03-23 | Paola Ferrari | Macchina di controllo automatica. |
KR20190030168A (ko) * | 2017-09-13 | 2019-03-21 | 스미또모 가가꾸 가부시키가이샤 | 결함 검사 장치, 결함 검사 방법, 원 편광판 또는 타원 편광판의 제조 방법 및 위상차판의 제조 방법 |
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WO2022044952A1 (ja) * | 2020-08-28 | 2022-03-03 | 住友化学株式会社 | 検査方法 |
JP7413210B2 (ja) | 2020-08-28 | 2024-01-15 | 住友化学株式会社 | 検査方法 |
JP7413209B2 (ja) | 2020-08-28 | 2024-01-15 | 住友化学株式会社 | 検査方法 |
JP7413211B2 (ja) | 2020-08-28 | 2024-01-15 | 住友化学株式会社 | 検査方法 |
Also Published As
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KR102250032B1 (ko) | 2021-05-12 |
TW201623944A (zh) | 2016-07-01 |
US20160187262A1 (en) | 2016-06-30 |
US9835565B2 (en) | 2017-12-05 |
CN105738380B (zh) | 2021-04-06 |
KR20160082787A (ko) | 2016-07-11 |
CN105738380A (zh) | 2016-07-06 |
JP6890377B2 (ja) | 2021-06-18 |
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