CN112817175A - 具有非对称转向膜的多路复用背光源 - Google Patents

具有非对称转向膜的多路复用背光源 Download PDF

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Publication number
CN112817175A
CN112817175A CN202110193367.XA CN202110193367A CN112817175A CN 112817175 A CN112817175 A CN 112817175A CN 202110193367 A CN202110193367 A CN 202110193367A CN 112817175 A CN112817175 A CN 112817175A
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CN
China
Prior art keywords
face
microstructure
light source
light
display
Prior art date
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.)
Withdrawn
Application number
CN202110193367.XA
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English (en)
Chinese (zh)
Inventor
肯尼斯·A·爱泼斯坦
尼古拉斯·A·约翰逊
迈克尔·E·劳特斯
香农·L·西夫肯
加里·T·博伊德
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication date
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Publication of CN112817175A publication Critical patent/CN112817175A/zh
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • 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
    • G02F1/133553—Reflecting elements
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/60—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images involving reflecting prisms and mirrors only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02F1/1323—Arrangements for providing a switchable viewing angle
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/268—Signal distribution or switching
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CN202110193367.XA 2016-11-03 2017-11-02 具有非对称转向膜的多路复用背光源 Withdrawn CN112817175A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662417054P 2016-11-03 2016-11-03
US62/417,054 2016-11-03
CN201780068219.7A CN109906391B (zh) 2016-11-03 2017-11-02 具有非对称转向膜的多路复用背光源

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201780068219.7A Division CN109906391B (zh) 2016-11-03 2017-11-02 具有非对称转向膜的多路复用背光源

Publications (1)

Publication Number Publication Date
CN112817175A true CN112817175A (zh) 2021-05-18

Family

ID=62076319

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202110193367.XA Withdrawn CN112817175A (zh) 2016-11-03 2017-11-02 具有非对称转向膜的多路复用背光源
CN201780068219.7A Active CN109906391B (zh) 2016-11-03 2017-11-02 具有非对称转向膜的多路复用背光源

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201780068219.7A Active CN109906391B (zh) 2016-11-03 2017-11-02 具有非对称转向膜的多路复用背光源

Country Status (6)

Country Link
US (2) US10955592B2 (https=)
EP (1) EP3535609A4 (https=)
JP (1) JP2019537056A (https=)
KR (1) KR20190075082A (https=)
CN (2) CN112817175A (https=)
WO (1) WO2018085497A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106896575B (zh) * 2017-03-03 2020-05-01 京东方科技集团股份有限公司 双视显示的微结构及使用其的光学膜片和液晶显示模组
JP7308282B2 (ja) * 2019-03-14 2023-07-13 レイア、インコーポレイテッド モード切り替え可能バックライト、プライバシーディスプレイ、およびｈレイを採用した方法
JP7607764B2 (ja) 2020-11-09 2024-12-27 レイア、インコーポレイテッド 水平視差マルチビューバックライト、ディスプレイ、および方法
US20220163828A1 (en) 2020-11-25 2022-05-26 Innolux Corporation Electronic device
US20250180797A1 (en) * 2022-03-24 2025-06-05 Signify Holding B.V. Lightguide plate with lighting gradient

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101251674A (zh) * 2007-02-19 2008-08-27 三菱电机株式会社 背光装置以及透射型显示装置
WO2015153329A2 (en) * 2014-04-01 2015-10-08 3M Innovative Properties Company Asymmetric turning film with multiple light sources
WO2015183604A1 (en) * 2014-05-30 2015-12-03 3M Innovative Properties Company Temporally multiplexing backlight with asymmetric turning film

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5477239A (en) * 1993-11-12 1995-12-19 Dell Usa, L.P. Front lighting system for liquid crystal display
US6799859B1 (en) * 2000-07-24 2004-10-05 Mitsubishi Rayon Co., Ltd. Surface illuminant device and prism sheet used therefor
CN100504464C (zh) * 2002-08-09 2009-06-24 三菱丽阳株式会社 面光源装置
JP4655465B2 (ja) * 2003-10-06 2011-03-23 カシオ計算機株式会社 面光源及び液晶表示装置
US20060104089A1 (en) * 2004-11-18 2006-05-18 Tsinghua University Light guide plate and a backlight module using the same
EP2001010A4 (en) * 2006-03-29 2012-06-20 Nec Corp IMAGE DISPLAY DEVICE AND IMAGE DISPLAY PROCESS
KR20080077338A (ko) 2007-02-19 2008-08-22 미쓰비시덴키 가부시키가이샤 백라이트 장치 및 투과형 표시 장치
JP2009168961A (ja) * 2008-01-15 2009-07-30 Nippon Zeon Co Ltd 光拡散板、直下型バックライト装置および液晶表示装置
JP2013195893A (ja) * 2012-03-22 2013-09-30 Stanley Electric Co Ltd 立体表示装置
CN102707348A (zh) * 2012-06-28 2012-10-03 深圳市华星光电技术有限公司 非对称菱镜结构、导光板、背光模组及其使用
US9784902B2 (en) * 2013-03-25 2017-10-10 3M Innovative Properties Company Dual-sided film with split light spreading structures
KR20150057321A (ko) * 2013-11-19 2015-05-28 쓰리엠 이노베이티브 프로퍼티즈 캄파니 듀얼 뷰잉 필름과 이를 이용한 듀얼 뷰 디스플레이 장치
JP2015191181A (ja) * 2014-03-28 2015-11-02 大日本印刷株式会社 面光源装置および表示装置
CN204347285U (zh) * 2015-01-05 2015-05-20 京东方科技集团股份有限公司 棱镜膜片、曲面背光源和显示装置
JP6618289B2 (ja) * 2015-07-23 2019-12-11 スタンレー電気株式会社 面光源装置及びプリズムシート

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101251674A (zh) * 2007-02-19 2008-08-27 三菱电机株式会社 背光装置以及透射型显示装置
WO2015153329A2 (en) * 2014-04-01 2015-10-08 3M Innovative Properties Company Asymmetric turning film with multiple light sources
WO2015183604A1 (en) * 2014-05-30 2015-12-03 3M Innovative Properties Company Temporally multiplexing backlight with asymmetric turning film

Also Published As

Publication number Publication date
US11585966B2 (en) 2023-02-21
EP3535609A4 (en) 2020-06-24
EP3535609A1 (en) 2019-09-11
CN109906391B (zh) 2021-12-28
KR20190075082A (ko) 2019-06-28
JP2019537056A (ja) 2019-12-19
CN109906391A (zh) 2019-06-18
WO2018085497A1 (en) 2018-05-11
US10955592B2 (en) 2021-03-23
US20210165138A1 (en) 2021-06-03
US20200057343A1 (en) 2020-02-20

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Application publication date: 20210518