KR102235966B1 - 이중-방향 콜리메이터 - Google Patents

이중-방향 콜리메이터 Download PDF

Info

Publication number
KR102235966B1
KR102235966B1 KR1020187001006A KR20187001006A KR102235966B1 KR 102235966 B1 KR102235966 B1 KR 102235966B1 KR 1020187001006 A KR1020187001006 A KR 1020187001006A KR 20187001006 A KR20187001006 A KR 20187001006A KR 102235966 B1 KR102235966 B1 KR 102235966B1
Authority
KR
South Korea
Prior art keywords
light
collimator
directional
vertical
horizontal
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.)
Active
Application number
KR1020187001006A
Other languages
English (en)
Korean (ko)
Other versions
KR20180048565A (ko
Inventor
데이비드 에이. 파탈
밍 마
쉬에지안 리
Original Assignee
레이아 인코포레이티드
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
Application filed by 레이아 인코포레이티드 filed Critical 레이아 인코포레이티드
Publication of KR20180048565A publication Critical patent/KR20180048565A/ko
Application granted granted Critical
Publication of KR102235966B1 publication Critical patent/KR102235966B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • 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
    • G02B27/30—Collimators
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Liquid Crystal (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
KR1020187001006A 2015-09-05 2015-10-20 이중-방향 콜리메이터 Active KR102235966B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562214978P 2015-09-05 2015-09-05
US62/214,978 2015-09-05
PCT/US2015/056529 WO2017039725A1 (en) 2015-09-05 2015-10-20 Dual-direction collimator

Publications (2)

Publication Number Publication Date
KR20180048565A KR20180048565A (ko) 2018-05-10
KR102235966B1 true KR102235966B1 (ko) 2021-04-05

Family

ID=58188550

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187001006A Active KR102235966B1 (ko) 2015-09-05 2015-10-20 이중-방향 콜리메이터

Country Status (7)

Country Link
US (1) US10725226B2 (enExample)
EP (1) EP3345041B1 (enExample)
JP (1) JP6698822B2 (enExample)
KR (1) KR102235966B1 (enExample)
CN (1) CN107924063B (enExample)
CA (1) CA2991923C (enExample)
WO (1) WO2017039725A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9829614B2 (en) 2015-02-02 2017-11-28 Synaptics Incorporated Optical sensor using collimator
CA2996992C (en) 2015-09-05 2024-04-09 Leia Inc. Time-multiplexed backlight and multiview display using same
US11163056B2 (en) * 2015-12-10 2021-11-02 Raytelligence Ab Radar detector for monitoring of bodily functions
FR3046850B1 (fr) * 2016-01-15 2018-01-26 Universite De Strasbourg Guide optique ameliore et systeme optique comportant un tel guide optique
EP3491288B1 (en) 2016-07-26 2024-11-06 LEIA Inc. Bar collimator, backlight system and method
US20180205924A1 (en) * 2017-01-19 2018-07-19 Yi Le Display assembly and electronic display apparatus for the application thereof
KR102322331B1 (ko) 2017-03-31 2021-11-05 레이아 인코포레이티드 테이퍼된 콜리메이터를 채용한 백라이트, 멀티뷰 디스플레이 및 방법
WO2019168538A1 (en) * 2018-03-01 2019-09-06 Leia Inc. Static multiview display and method employing collimated guided light
WO2020036587A1 (en) 2018-08-13 2020-02-20 Leia Inc. Grating collimator, backlight system, and method employing a light-recycling light source
JP7128354B2 (ja) 2018-10-15 2022-08-30 レイア、インコーポレイテッド 格子スプレッダを有するバックライト、マルチビューディスプレイ、および方法
US11137534B2 (en) 2019-06-26 2021-10-05 Synaptics Incorporated Systems and methods for optical imaging based on diffraction gratings
EP4115233A4 (en) * 2020-03-02 2024-04-17 LEIA Inc. ANIMATED STATIC MULTI-VIEW DISPLAY DEVICE AND METHOD
US12372709B2 (en) * 2023-01-31 2025-07-29 Visteon Global Technologies, Inc. Display backlight for avoiding windshield reflections

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140268867A1 (en) * 2013-03-13 2014-09-18 Hewlett-Packard Development Company, L.P. Backlight having Dual Collimating Reflectors
WO2014142851A1 (en) 2013-03-13 2014-09-18 Hewlett-Packard Development Company, L.P. Backlight having collimating reflector
US20150036068A1 (en) * 2013-07-30 2015-02-05 Leia Inc. Multibeam diffraction grating-based backlighting

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081667A (en) * 1976-07-28 1978-03-28 Optical Coating Laboratory, Inc. Lighting fixture having fresnel reflector with high reflection coating thereon
US4755826A (en) * 1983-01-10 1988-07-05 The United States Of America As Represented By The Secretary Of The Navy Bicollimated offset Gregorian dual reflector antenna system
US4784700A (en) * 1987-05-26 1988-11-15 General Dynamics Corp./Space Systems Div. Point focus solar concentrator using reflector strips of various geometries to form primary and secondary reflectors
US5896237A (en) * 1994-07-22 1999-04-20 Mcdonnell Douglas Corporation Sensor assembly with dual reflectors to offset sensor
AU2002231246A1 (en) * 2000-12-21 2002-07-01 Led Products, Inc. Light conduit with radial light ejecting structure
US6663262B2 (en) 2001-09-10 2003-12-16 3M Innovative Properties Company Backlighting transmissive displays
US20040240034A1 (en) * 2001-11-30 2004-12-02 Scharf Bruce R. Diffraction compensation using a patterned reflector
JP2005011539A (ja) * 2003-06-16 2005-01-13 Nagano Kogaku Kenkyusho:Kk 面光源装置
JP4921372B2 (ja) * 2004-09-20 2012-04-25 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 半放物線状反射器を備えるｌｅｄコリメータ素子
JP4436752B2 (ja) * 2004-12-22 2010-03-24 シャープ株式会社 光源装置および液晶表示装置
KR100754400B1 (ko) * 2006-04-21 2007-08-31 삼성전자주식회사 백라이트 유닛 및 이를 채용한 디스플레이 장치
WO2008138049A1 (en) * 2007-05-11 2008-11-20 Rpo Pty Limited A transmissive body
JP5153775B2 (ja) * 2007-07-17 2013-02-27 パナソニック株式会社 液晶バックライト装置及び液晶ディスプレイ
US8297786B2 (en) * 2008-07-10 2012-10-30 Oree, Inc. Slim waveguide coupling apparatus and method
KR101286095B1 (ko) 2008-09-11 2013-07-15 엘지디스플레이 주식회사 액정표시장치용 일체형 멀티집광시트
CN102216695B (zh) * 2008-09-19 2013-12-25 加利福尼亚大学董事会 用于太阳能采集的系统和方法及相关的制造方法
WO2010141388A1 (en) * 2009-06-01 2010-12-09 Qualcomm Mems Technologies, Inc. Front light based optical touch screen
US8851707B2 (en) 2010-06-15 2014-10-07 Dialight Corporation Highly collimating reflector lens optic and light emitting diodes
US10534114B2 (en) * 2010-12-31 2020-01-14 Luminit LLC. Substrate-guided holographic diffuser
CN102588845B (zh) * 2012-03-07 2014-07-16 苏州大学 背光照明装置及液晶显示装置
US9188731B2 (en) 2012-05-18 2015-11-17 Reald Inc. Directional backlight
US8971680B2 (en) 2012-05-22 2015-03-03 Sharp Laboratories Of America, Inc. Waveguide with Controlled Light Collimation
US9442279B2 (en) * 2013-08-23 2016-09-13 Jeffrey Michael Citron Open architecture structure for trough shaped solar concentrators
US10048647B2 (en) * 2014-03-27 2018-08-14 Microsoft Technology Licensing, Llc Optical waveguide including spatially-varying volume hologram
CN106662773B (zh) * 2014-06-26 2021-08-06 瑞尔D 斯帕克有限责任公司 定向防窥显示器
US10459152B2 (en) * 2015-04-13 2019-10-29 Reald Spark, Llc Wide angle imaging directional backlights
WO2016191598A1 (en) * 2015-05-27 2016-12-01 Reald Inc. Wide angle imaging directional backlights

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140268867A1 (en) * 2013-03-13 2014-09-18 Hewlett-Packard Development Company, L.P. Backlight having Dual Collimating Reflectors
WO2014142851A1 (en) 2013-03-13 2014-09-18 Hewlett-Packard Development Company, L.P. Backlight having collimating reflector
US20150036068A1 (en) * 2013-07-30 2015-02-05 Leia Inc. Multibeam diffraction grating-based backlighting

Also Published As

Publication number Publication date
US20180164489A1 (en) 2018-06-14
CN107924063B (zh) 2021-01-15
CA2991923C (en) 2022-11-01
WO2017039725A1 (en) 2017-03-09
EP3345041A1 (en) 2018-07-11
JP2018534600A (ja) 2018-11-22
EP3345041A4 (en) 2019-08-07
CN107924063A (zh) 2018-04-17
US10725226B2 (en) 2020-07-28
KR20180048565A (ko) 2018-05-10
EP3345041C0 (en) 2025-06-25
CA2991923A1 (en) 2017-03-09
JP6698822B2 (ja) 2020-05-27
EP3345041B1 (en) 2025-06-25

Similar Documents

Publication Publication Date Title
KR102235966B1 (ko) 이중-방향 콜리메이터
US10459147B2 (en) Dual surface collimator and 3D electronic display employing grating-based backlighting using same
US10345505B2 (en) Multibeam diffraction grating-based color backlighting
EP3175267B1 (en) Multibeam diffraction grating-based color backlighting
KR102329108B1 (ko) 이중 광 가이드 격자-기반 백라이트 및 이를 사용한 전자 디스플레이
KR102274749B1 (ko) 다색 격자-결합된 백라이팅
KR102329107B1 (ko) 각도 선택 반사층을 채용한 단일 방향 격자-기반 백라이팅
JP6820940B2 (ja) 反射格子島状構造を使用する格子ベースのバックライト
TWI618957B (zh) 雙向光學準直器以及使用該雙向光學準直器的方法、背光板以及三維電子顯示器
HK1249932A1 (en) Dual-direction collimator
HK1249932B (zh) 双向准直器
HK1249931B (zh) 双表面准直器以及使用它的采用基於光栅的背光照明的3d电子显示器
HK1249931A1 (en) Dual surface collimator and 3d electronic display employing grating-based backlighting using same
HK1244062A1 (en) Dual light guide grating-based backlight and electronic display using same

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20180111

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20190919

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20200828

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20210226

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20210330

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20210331

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20240326

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20250325

Start annual number: 5

End annual number: 5