HK1205793A1 - Directional backlight with a modulation layer - Google Patents
Directional backlight with a modulation layerInfo
- Publication number
- HK1205793A1 HK1205793A1 HK15106381.7A HK15106381A HK1205793A1 HK 1205793 A1 HK1205793 A1 HK 1205793A1 HK 15106381 A HK15106381 A HK 15106381A HK 1205793 A1 HK1205793 A1 HK 1205793A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- modulation layer
- directional backlight
- backlight
- directional
- modulation
- Prior art date
Links
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
- G02B6/0033—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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- 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
- G02B27/1086—Beam splitting or combining systems operating by diffraction only
-
- 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
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/33—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving directional light or back-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
- G02B6/0033—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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/32—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using arrays of controllable light sources; using moving apertures or moving light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Liquid Crystal (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2012/040607 WO2013180737A1 (fr) | 2012-06-01 | 2012-06-01 | Rétroéclairage directionnel doté d'une couche de modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1205793A1 true HK1205793A1 (en) | 2015-12-24 |
Family
ID=49673782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK15106381.7A HK1205793A1 (en) | 2012-06-01 | 2015-07-06 | Directional backlight with a modulation layer |
Country Status (9)
| Country | Link |
|---|---|
| EP (2) | EP2859402B1 (fr) |
| JP (1) | JP5964500B2 (fr) |
| KR (1) | KR101788777B1 (fr) |
| CN (1) | CN104335100B (fr) |
| ES (1) | ES2658587T3 (fr) |
| HK (1) | HK1205793A1 (fr) |
| PL (1) | PL2859402T3 (fr) |
| PT (1) | PT2859402T (fr) |
| WO (1) | WO2013180737A1 (fr) |
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| US10156681B2 (en) | 2015-02-12 | 2018-12-18 | Digilens Inc. | Waveguide grating device |
| US10185154B2 (en) | 2011-04-07 | 2019-01-22 | Digilens, Inc. | Laser despeckler based on angular diversity |
| US10209517B2 (en) | 2013-05-20 | 2019-02-19 | Digilens, Inc. | Holographic waveguide eye tracker |
| US10216061B2 (en) | 2012-01-06 | 2019-02-26 | Digilens, Inc. | Contact image sensor using switchable bragg gratings |
| US10234696B2 (en) | 2007-07-26 | 2019-03-19 | Digilens, Inc. | Optical apparatus for recording a holographic device and method of recording |
| US10241330B2 (en) | 2014-09-19 | 2019-03-26 | Digilens, Inc. | Method and apparatus for generating input images for holographic waveguide displays |
| US10330777B2 (en) | 2015-01-20 | 2019-06-25 | Digilens Inc. | Holographic waveguide lidar |
| US10359736B2 (en) | 2014-08-08 | 2019-07-23 | Digilens Inc. | Method for holographic mastering and replication |
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| US10437064B2 (en) | 2015-01-12 | 2019-10-08 | Digilens Inc. | Environmentally isolated waveguide display |
| US10437051B2 (en) | 2012-05-11 | 2019-10-08 | Digilens Inc. | Apparatus for eye tracking |
| US10459145B2 (en) | 2015-03-16 | 2019-10-29 | Digilens Inc. | Waveguide device incorporating a light pipe |
| US10545346B2 (en) | 2017-01-05 | 2020-01-28 | Digilens Inc. | Wearable heads up displays |
| US10591756B2 (en) | 2015-03-31 | 2020-03-17 | Digilens Inc. | Method and apparatus for contact image sensing |
| US10642058B2 (en) | 2011-08-24 | 2020-05-05 | Digilens Inc. | Wearable data display |
| US10670876B2 (en) | 2011-08-24 | 2020-06-02 | Digilens Inc. | Waveguide laser illuminator incorporating a despeckler |
| US10678053B2 (en) | 2009-04-27 | 2020-06-09 | Digilens Inc. | Diffractive projection apparatus |
| US10690851B2 (en) | 2018-03-16 | 2020-06-23 | Digilens Inc. | Holographic waveguides incorporating birefringence control and methods for their fabrication |
| US10690916B2 (en) | 2015-10-05 | 2020-06-23 | Digilens Inc. | Apparatus for providing waveguide displays with two-dimensional pupil expansion |
| US10732569B2 (en) | 2018-01-08 | 2020-08-04 | Digilens Inc. | Systems and methods for high-throughput recording of holographic gratings in waveguide cells |
| US10859768B2 (en) | 2016-03-24 | 2020-12-08 | Digilens Inc. | Method and apparatus for providing a polarization selective holographic waveguide device |
| US10890707B2 (en) | 2016-04-11 | 2021-01-12 | Digilens Inc. | Holographic waveguide apparatus for structured light projection |
| US10914950B2 (en) | 2018-01-08 | 2021-02-09 | Digilens Inc. | Waveguide architectures and related methods of manufacturing |
| US10942430B2 (en) | 2017-10-16 | 2021-03-09 | Digilens Inc. | Systems and methods for multiplying the image resolution of a pixelated display |
| US10983340B2 (en) | 2016-02-04 | 2021-04-20 | Digilens Inc. | Holographic waveguide optical tracker |
| US11204540B2 (en) | 2009-10-09 | 2021-12-21 | Digilens Inc. | Diffractive waveguide providing a retinal image |
| US11307432B2 (en) | 2014-08-08 | 2022-04-19 | Digilens Inc. | Waveguide laser illuminator incorporating a Despeckler |
| US11378732B2 (en) | 2019-03-12 | 2022-07-05 | DigLens Inc. | Holographic waveguide backlight and related methods of manufacturing |
| US11402801B2 (en) | 2018-07-25 | 2022-08-02 | Digilens Inc. | Systems and methods for fabricating a multilayer optical structure |
| US11442222B2 (en) | 2019-08-29 | 2022-09-13 | Digilens Inc. | Evacuated gratings and methods of manufacturing |
| US11448937B2 (en) | 2012-11-16 | 2022-09-20 | Digilens Inc. | Transparent waveguide display for tiling a display having plural optical powers using overlapping and offset FOV tiles |
| US11460621B2 (en) | 2012-04-25 | 2022-10-04 | Rockwell Collins, Inc. | Holographic wide angle display |
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| US11543594B2 (en) | 2019-02-15 | 2023-01-03 | Digilens Inc. | Methods and apparatuses for providing a holographic waveguide display using integrated gratings |
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| US11726332B2 (en) | 2009-04-27 | 2023-08-15 | Digilens Inc. | Diffractive projection apparatus |
| US11747568B2 (en) | 2019-06-07 | 2023-09-05 | Digilens Inc. | Waveguides incorporating transmissive and reflective gratings and related methods of manufacturing |
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| KR102654863B1 (ko) | 2016-11-08 | 2024-04-05 | 삼성전자주식회사 | 지향성 백라이트 유닛 및 이를 포함하는 영상 표시 장치 |
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| EP3598203B1 (fr) * | 2017-04-28 | 2021-09-15 | Cloudminds (Shenzhen) Robotics Systems Co., Ltd. | Guide d'ondes optique directionnel, module de rétroéclairage directionnel et dispositif d'affichage |
| WO2018213100A1 (fr) * | 2017-05-14 | 2018-11-22 | Leia Inc. | Dispositif de rétroéclairage, dispositif d'affichage et procédé multivues utilisant des matrices d'émetteurs actifs |
| JP7213831B2 (ja) | 2017-06-13 | 2023-01-27 | ビュージックス コーポレーション | 拡大された光分配を行う重合格子を備えた画像光ガイド |
| EP3638946A4 (fr) * | 2017-06-16 | 2020-12-23 | LEIA Inc. | Rétroéclairage multivue et dispositif d'affichage multivue, et procédé faisant appel à des éléments multifaisceaux décalés |
| US10747176B2 (en) | 2017-09-04 | 2020-08-18 | Electronics And Telecommunications Research Institute | System and method for 3D holographic display using spatial-division multiplexed diffractive optical elements for viewing zone improvement |
| CN107741666B (zh) | 2017-10-27 | 2020-08-04 | 上海天马微电子有限公司 | 一种显示装置 |
| US10345506B1 (en) * | 2018-07-16 | 2019-07-09 | Shenzhen Guangjian Technology Co., Ltd. | Light projecting method and device |
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2012
- 2012-06-01 WO PCT/US2012/040607 patent/WO2013180737A1/fr active Application Filing
- 2012-06-01 KR KR1020147027174A patent/KR101788777B1/ko active IP Right Grant
- 2012-06-01 PL PL12877856T patent/PL2859402T3/pl unknown
- 2012-06-01 PT PT128778560T patent/PT2859402T/pt unknown
- 2012-06-01 EP EP12877856.0A patent/EP2859402B1/fr active Active
- 2012-06-01 ES ES12877856.0T patent/ES2658587T3/es active Active
- 2012-06-01 CN CN201280072700.0A patent/CN104335100B/zh active Active
- 2012-06-01 JP JP2015514974A patent/JP5964500B2/ja active Active
- 2012-06-01 EP EP17202907.6A patent/EP3301504A1/fr not_active Withdrawn
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2015
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2859402B1 (fr) | 2017-11-22 |
| PT2859402T (pt) | 2018-02-08 |
| KR101788777B1 (ko) | 2017-10-20 |
| PL2859402T3 (pl) | 2018-08-31 |
| KR20150021017A (ko) | 2015-02-27 |
| CN104335100A (zh) | 2015-02-04 |
| JP2015530604A (ja) | 2015-10-15 |
| WO2013180737A1 (fr) | 2013-12-05 |
| EP3301504A1 (fr) | 2018-04-04 |
| JP5964500B2 (ja) | 2016-08-03 |
| CN104335100B (zh) | 2017-06-13 |
| EP2859402A1 (fr) | 2015-04-15 |
| ES2658587T3 (es) | 2018-03-12 |
| EP2859402A4 (fr) | 2016-04-13 |
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