JP5989092B2 - 光学素子 - Google Patents
光学素子 Download PDFInfo
- Publication number
- JP5989092B2 JP5989092B2 JP2014506040A JP2014506040A JP5989092B2 JP 5989092 B2 JP5989092 B2 JP 5989092B2 JP 2014506040 A JP2014506040 A JP 2014506040A JP 2014506040 A JP2014506040 A JP 2014506040A JP 5989092 B2 JP5989092 B2 JP 5989092B2
- Authority
- JP
- Japan
- Prior art keywords
- plane
- optical element
- light
- incident
- angle
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- G02B27/56—Optics using evanescent waves, i.e. inhomogeneous waves
-
- 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
- G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
- G02B3/0068—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between arranged in a single integral body or plate, e.g. laminates or hybrid structures with other optical elements
-
- 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
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Elements Other Than Lenses (AREA)
Description
対向する第1、第2の平面を有する板状に形成され、第1、第2の平面の間で所定の角度で入射する第1の光を反射させながら伝播させる導波部と、
第1の平面に相対する第3の平面を有する板状に形成され、第1の光のエバネッセント波を所定の透過率で伝播する伝播距離未満の間隔で第1の平面と第3の平面とが離間され、所定の角度で第1の平面に入射し入射面にエバネッセント波として伝播された第1の光を第1の平面に実質的に垂直な方向に反射する複数の反射面が第1の方向に沿って第3の平面の裏側に並べられる偏向部とを備え、
第1の平面と第3の平面との間の媒質の屈折率は導波部の屈折率より低い
ことを特徴とするものである。
11 導波部
12 偏向部
13、132 スペーサ
170 画角増幅光学系
191 多層膜
fs1〜fs3 第1〜第3の平面
Lx 光束
ps 三角プリズムアレイ面
Claims (5)
- 対向する第1、第2の平面を有する板状に形成され、前記第1、第2の平面の間で所定の角度で入射する第1の光を反射させながら伝播させる導波部と、
前記第1の平面に相対する第3の平面を有する板状に形成され、前記第1の光のエバネッセント波を所定の透過率で伝播する伝播距離未満の間隔で前記第1の平面と前記第3の平面とが離間され、前記所定の角度で前記第1の平面に入射し前記入射面にエバネッセント波として伝播された前記第1の光を前記第1の平面に実質的に垂直な方向に反射する複数の反射面が第1の方向に沿って前記第3の平面の裏側に並べられる偏向部とを備え、
前記第1の平面と前記第3の平面との間の媒質の屈折率は前記導波部の屈折率より低い ことを特徴とする光学素子。 - 請求項1に記載の光学素子であって、前記第1の光は、前記光学素子に入射させる波長の異なる複数の光の中で最短の波長の光によって定められることを特徴とする光学素子。
- 請求項1または請求項2に記載の光学素子であって、前記第2の平面側に配置され、前記反射面により反射され前記第2の平面から実質的に垂直に出射する前記第1の光の画角を増幅する画角増幅光学系を備えることを特徴とする光学素子。
- 請求項1〜請求項3のいずれか1項に記載の光学素子であって、前記第1の平面と前記第3の平面との間に配置され、前記第1の光と波長の異なる第2の光を前記第1の平面に前記所定の角度で入射するときのエバネッセント波の前記偏向部への透過率を、前記第1の光を前記第1の平面に前記所定の角度で入射するときのエバネッセント波の前記偏向部への透過率に近付ける膜を備えることを特徴とする光学素子。
- 請求項1〜請求項4のいずれか1項に記載の光学素子であって、前記第1の平面と前記第3の平面との間隔が前記第1の方向に沿って減少することを特徴とする光学素子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014506040A JP5989092B2 (ja) | 2012-03-21 | 2013-03-19 | 光学素子 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012064055 | 2012-03-21 | ||
JP2012064055 | 2012-03-21 | ||
JP2014506040A JP5989092B2 (ja) | 2012-03-21 | 2013-03-19 | 光学素子 |
PCT/JP2013/001877 WO2013140792A1 (ja) | 2012-03-21 | 2013-03-19 | 光学素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013140792A1 JPWO2013140792A1 (ja) | 2015-08-03 |
JP5989092B2 true JP5989092B2 (ja) | 2016-09-07 |
Family
ID=49222270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014506040A Expired - Fee Related JP5989092B2 (ja) | 2012-03-21 | 2013-03-19 | 光学素子 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9664920B2 (ja) |
JP (1) | JP5989092B2 (ja) |
WO (1) | WO2013140792A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017032673A (ja) * | 2015-07-30 | 2017-02-09 | 日本電気硝子株式会社 | 導光板及びこれを用いた積層導光板 |
GB201609027D0 (en) * | 2016-05-23 | 2016-07-06 | Bae Systems Plc | Waveguide manufacturing method |
GB2550958B (en) * | 2016-06-03 | 2022-02-23 | Bae Systems Plc | Waveguide structure |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE71718T1 (de) * | 1987-06-04 | 1992-02-15 | Walter Lukosz | Optisches modulations- und mess-verfahren. |
US5291567A (en) * | 1992-07-21 | 1994-03-01 | Eastman Kodak Company | Electro-optic waveguide deflector using a nonlinear optic film or liquid-crystal overlay cell for use in an optical pickup head |
JPH09101466A (ja) * | 1995-10-06 | 1997-04-15 | Nikon Corp | 光量制御を行なうための光学素子 |
IL157837A (en) * | 2003-09-10 | 2012-12-31 | Yaakov Amitai | Substrate-guided optical device particularly for three-dimensional displays |
WO2006025317A1 (ja) * | 2004-08-31 | 2006-03-09 | Nikon Corporation | 光束径拡大光学系及び画像表示装置 |
JP2008139578A (ja) * | 2006-12-01 | 2008-06-19 | Hoya Corp | 導波路型光アイソレータ |
JP4862784B2 (ja) * | 2007-08-28 | 2012-01-25 | 三菱化学株式会社 | 光学特性制御装置及び板状光学部材 |
US8987711B2 (en) * | 2009-11-19 | 2015-03-24 | Konica Minolta Holdings, Inc. | Organic electroluminescence element, method for producing organic electroluminescence element, and illumination device using organic electroluminescence element |
JP5901192B2 (ja) * | 2011-09-13 | 2016-04-06 | オリンパス株式会社 | 光学機構 |
-
2013
- 2013-03-19 WO PCT/JP2013/001877 patent/WO2013140792A1/ja active Application Filing
- 2013-03-19 JP JP2014506040A patent/JP5989092B2/ja not_active Expired - Fee Related
-
2014
- 2014-09-18 US US14/490,486 patent/US9664920B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20150002951A1 (en) | 2015-01-01 |
WO2013140792A1 (ja) | 2013-09-26 |
JPWO2013140792A1 (ja) | 2015-08-03 |
US9664920B2 (en) | 2017-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102642251B1 (ko) | 균일한 이미지를 갖는 소형 헤드 장착 디스플레이 시스템 | |
CN109154431B (zh) | 紧凑型头戴式显示*** | |
JP5901192B2 (ja) | 光学機構 | |
JP6442149B2 (ja) | 画像表示装置 | |
TW201932894A (zh) | 具有多軸內孔徑擴展的光導光學元件 | |
US20100053992A1 (en) | Illumination system and display device | |
TWI381218B (zh) | 光學色彩分光系統以及所應用的顯示裝置 | |
US9880383B2 (en) | Display device | |
US20210364806A1 (en) | Methods and apparatuses for reducing stray light emission from an eyepiece of an optical imaging system | |
US9151956B2 (en) | Light source system for stereoscopic projection | |
JP5989092B2 (ja) | 光学素子 | |
JP2008527399A (ja) | 光学リサイジングのための装置および方法 | |
JP2021517264A (ja) | 導波路ディスプレイ要素 | |
JP2016090801A (ja) | 光学装置および表示装置 | |
CA2910498C (en) | Field inversion waveguide using micro-prism array | |
JP2005134907A (ja) | 背面投影型ディスプレイのシステム環境において用いる光ガイド装置 | |
JP2010096843A (ja) | 全反射プリズムおよび投影装置 | |
WO2023021748A1 (ja) | 画像表示装置および画像表示方法 | |
JP5013315B2 (ja) | 照明光源装置、液晶表示装置、およびプロジェクタ | |
CN113946010A (zh) | 波导以及头戴式显示装置 | |
JP2010067552A (ja) | バックライト装置および液晶ディスプレイ装置 | |
WO2011118563A1 (ja) | 偏光導光板、照明装置および投射型表示装置 | |
JP2016177128A (ja) | プロジェクター |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150904 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160802 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160809 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5989092 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |