JP6463597B2 - 透明導波管ディスプレイ - Google Patents
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Images
Classifications
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- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
-
- 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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
-
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2260/00—Recording materials or recording processes
- G03H2260/30—Details of photosensitive recording material not otherwise provided for
- G03H2260/34—Non uniform thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Couplings Of Light Guides (AREA)
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Description
この出願は、それぞれ参照することによりその全体が本願に組み入れられる2012年11月16日に出願された米国仮出願第61/796,632号および2013年2月4日に出願された米国仮出願第61/849,853号の優先権を主張する2013年3月15日に出願された米国出願第13/844456号の一部継続出願である。
自動車のHUDのための実施形態
受動SBGを全て使用する実施形態
典型的な特徴
更なる実施形態
幾つかの実施形態の概要
典型的な実施形態
更なる実施形態
引用文献
更なる例
縞模様のHBEを使用する実施形態
FOV、アイボックス、および、瞳距離の幾何学的性質
両眼重なり
内側瞳孔間距離(IPD)
低屈折率材料
結論
Claims (12)
- 画像を表示するための装置において、
光を第1の方向で伝搬するように構成される少なくとも1つの導波層を備える第1の光学基板であって、前記第1の光学基板の少なくとも1つの前記導波層が、光を前記第1の方向に沿って前記第1の光学基板から抽出するように構成される少なくとも1つの格子薄板を備える第1の光学基板と、
前記第1の光学基板から空隙によって分離され、光を第2の方向で伝搬するように構成される少なくとも1つの導波層を備える第2の光学基板であって、前記第2の光学基板の少なくとも1つの前記導波層が、光を前記第2の方向に沿って前記第2の光学基板から抽出するように構成される少なくとも1つの格子薄板を備え、前記空隙は直接に前記第1の光学基板及び前記第2の光学基板の間にあり、前記第1の光学基板の前記少なくとも1つの導波層の前記少なくとも1つの格子薄板は光を回折して前記第1の光学基板から出し、光を前記空隙を介し、前記空隙に配置された半波長膜を通って、前記第2の光学基板に導くように構成された第2の光学基板と
を備え、前記第1および第2の光学基板のうちの少なくとも一方の少なくとも1つの前記格子薄板が受動モードのSBGを備え、
前記第1の方向と前記第2の方向とは同じ方向であり、前記第1及び第2の光学基板の両方は受動モードのSBGを含み、受動モードにある各SBGはP偏光を回折し、前記半波長膜は前記P偏光をS偏光に変換する、装置。 - 前記第1および第2の光学基板のうちの少なくとも一方の少なくとも1つの導波路が複数の格子薄板を備え、前記複数の格子薄板のうちの少なくとも2つが同じ表面格子周波数を有する、請求項1に記載の装置。
- 前記第1および第2の光学基板のうちの少なくとも一方の少なくとも1つの前記格子薄板は、順方向モードおよび逆方向モードのうちの少なくとも一方のHPDLC、POLICRYPS、POLIPHEM、および、SVHOEのうちの少なくとも1つに記録される非切り換えブラッグ格子を備える、請求項1に記載の装置。
- 前記第1および第2の光学基板のうちの少なくとも一方が複数の導波層を備え、前記複数の導波層のそれぞれは、赤色光、緑色光、青色光、青色/緑色混合光、および、複数の部分視野(FOV)のうちの1つ、のうちの少なくとも1つを伝搬するように構成される、請求項1に記載の装置。
- 前記第1および第2の光学基板のうちの少なくとも一方の少なくとも1つの導波層は、重ね合わされた異なる色処方を伴うホログラムを備える、請求項1に記載の装置。
- 前記第1および第2の光学基板のうちの少なくとも一方における少なくとも1つの導波層が損失性である、請求項1に記載の装置。
- 前記第1および第2の光学基板のうちの少なくとも一方の少なくとも1つの前記格子薄板は、3ミクロン未満の厚さを有する、請求項1に記載の装置。
- 前記第1および第2の光学基板のうちの少なくとも一方の少なくとも1つの前記格子薄板は、それぞれの光伝搬方向に沿って変化する厚さを有する、請求項1に記載の装置。
- 請求項1の装置を備えるデバイスであって、前記デバイスがHMD、HUD、および、HDDのうちの少なくとも1つの一部である、デバイス。
- 画像を表示する方法であって、
入力画像からの変調光を第1の光学基板へ結合するステップと、
前記第1の光学基板から光を第1の方向に沿って抽出するステップと、
前記第1の光学基板から抽出された光を第2の光学基板へ結合するステップとを備え、
前記第1の光学基板は、光を第1の方向で伝搬するように構成される少なくとも1つの導波層を備え、前記第1の光学基板の少なくとも1つの前記導波層は、光を前記第1の光学基板から抽出するように構成される少なくとも1つの格子薄板を備え、
前記第2の光学基板は、前記第1の光学基板から空隙によって分離され、光を第2の方向で伝搬するように構成される少なくとも1つの導波層を備え、前記第2の光学基板の少なくとも1つの前記導波層は、光を第2の方向に沿って前記第2の光学基板から抽出するように構成される少なくとも1つの格子薄板を備え、前記空隙は直接に前記第1の光学基板及び前記第2の光学基板の間にあり、前記第1の光学基板の前記少なくとも1つの導波層の前記少なくとも1つの格子薄板は光を回折して前記第1の光学基板から出し、光を前記空隙を介し、前記空隙に配置された半波長膜を通って、前記第2の光学基板に導くように構成され、
前記第1および第2の光学基板のうちの少なくとも一方の少なくとも1つの前記格子薄板が受動モードのSBGを備え、
前記第1の方向と前記第2の方向とは同じ方向であり、前記第1及び第2の光学基板の両方は受動モードのSBGを含み、受動モードにある各SBGはP偏光を回折し、前記半波長膜は前記P偏光をS偏光に変換する、方法。 - 入力画像を複数の角度間隔へとサンプリングするステップを更に備え、前記複数の角度間隔のそれぞれは、瞳全体のサイズの一部分である有効射出瞳を有する、請求項10に記載の方法。
- 前記第1および第2の光学基板のうちの少なくとも一方の少なくとも1つの前記格子薄板の以下のうちの少なくとも1つ、すなわち、格子厚さ、屈折率変調、kベクトル、表面格子周期、および、ホログラム基板屈折率差のうちの少なくとも1つを変更することによって画像の表示を向上させるステップを更に備える、請求項10に記載の方法。
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261796632P | 2012-11-16 | 2012-11-16 | |
US61/796,632 | 2012-11-16 | ||
US201361849853P | 2013-02-04 | 2013-02-04 | |
US61/849,853 | 2013-02-04 | ||
US13/844,456 | 2013-03-15 | ||
US13/844,456 US11320571B2 (en) | 2012-11-16 | 2013-03-15 | Transparent waveguide display providing upper and lower fields of view with uniform light extraction |
US14/044,676 US9933684B2 (en) | 2012-11-16 | 2013-10-02 | Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration |
US14/044,676 | 2013-10-02 |
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JP2018164677A Division JP6847901B2 (ja) | 2012-11-16 | 2018-09-03 | 透明導波路ディスプレイ |
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JP2014132328A JP2014132328A (ja) | 2014-07-17 |
JP6463597B2 true JP6463597B2 (ja) | 2019-02-06 |
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US (6) | US9933684B2 (ja) |
EP (1) | EP2733517B1 (ja) |
JP (2) | JP6463597B2 (ja) |
CN (1) | CN103823267B (ja) |
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US20140140654A1 (en) | 2014-05-22 |
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