CN106990469A - 偏振片的检查方法和偏光板的制造方法 - Google Patents

偏振片的检查方法和偏光板的制造方法 Download PDF

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Publication number: CN106990469A
Authority: CN; China
Prior art keywords: polarizer; image pickup; unpolarized; lighting division; unpolarized portion
Prior art date: 2015-09-30
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.): Pending

Application number

CN201610868030.3A

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English (en)

Chinese (zh)

Inventor

古泽修也

杉脇正晃

八重樫将宽

木村真规子

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nitto Denko Corp

Original Assignee

Nitto Denko Corp

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.)

2015-09-30

Filing date

2016-09-29

Publication date

2017-07-28

2016-09-29 Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp

2016-09-29 Priority to CN202410285306.XA priority Critical patent/CN118294465B/zh

2017-07-28 Publication of CN106990469A publication Critical patent/CN106990469A/zh

Status Pending legal-status Critical Current

Links

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Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J4/00—Measuring polarisation of light
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
- 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
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J4/00—Measuring polarisation of light
- G01J4/04—Polarimeters using electric detection means

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Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Spectroscopy & Molecular Physics (AREA)
General Health & Medical Sciences (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Immunology (AREA)
Pathology (AREA)
Chemical & Material Sciences (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Polarising Elements (AREA)
Liquid Crystal (AREA)
Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

CN201610868030.3A 2015-09-30 2016-09-29 偏振片的检查方法和偏光板的制造方法 Pending CN106990469A (zh)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CN202410285306.XA CN118294465B (zh)	2015-09-30	2016-09-29	检查方法、偏光板的制造方法以及偏振片的非偏振部的检查装置

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JP2015-195109		2015-09-30
JP2015195109A JP6604805B2 (ja)	2015-09-30	2015-09-30	偏光子の検査方法および偏光板の製造方法

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ID=58494496

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Application Number	Title	Priority Date	Filing Date
CN201610868030.3A Pending CN106990469A (zh)	2015-09-30	2016-09-29	偏振片的检查方法和偏光板的制造方法
CN202410285306.XA Active CN118294465B (zh)	2015-09-30	2016-09-29	检查方法、偏光板的制造方法以及偏振片的非偏振部的检查装置

Family Applications After (1)

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CN202410285306.XA Active CN118294465B (zh)	2015-09-30	2016-09-29	检查方法、偏光板的制造方法以及偏振片的非偏振部的检查装置

Country Status (3)

Country	Link
JP (1)	JP6604805B2 (ja)
KR (1)	KR102314235B1 (ja)
CN (2)	CN106990469A (ja)

Cited By (2)

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Publication number	Priority date	Publication date	Assignee	Title
CN109324063A (zh) *	2017-07-31	2019-02-12	日东电工株式会社	偏振膜的摄像装置、检查装置以及检查方法
CN110989066A (zh) *	2019-12-20	2020-04-10	京东方科技集团股份有限公司	偏光片、其制作方法及显示装置

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KR102486442B1 (ko) *	2019-06-07	2023-01-09	주식회사 엘지화학	편광판의 액정얼룩 검사장치 및 편광판의 액정얼룩 검사방법
US12121218B2 (en)	2020-05-11	2024-10-22	Welch Allyn, Inc.	Configuring optical light path having beam overlap on image sensor

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2015
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2016
- 2016-09-26 KR KR1020160123363A patent/KR102314235B1/ko active Active
- 2016-09-29 CN CN201610868030.3A patent/CN106990469A/zh active Pending
- 2016-09-29 CN CN202410285306.XA patent/CN118294465B/zh active Active

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