JP2023014089A - 可変焦点レンズ要素を用いた拡張現実システムおよび方法 - Google Patents
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Abstract
Description
本願は、2016年4月8日に出願された米国仮特許出願第62/320,375号の優先権の利益を主張するものであり、該米国仮特許出願は、その全体が参照により本明細書中に援用される。
本願はまた、米国出願第14/555,585号(出願日2014年11月27日);米国出願第14/690,401号(出願日2015年4月18日);米国出願第14/212,961号(出願日2014年3月14日);米国出願第14/331,218号(出願日2014年7月14日);および米国出願第15/072,290号(出願日2016年3月16日)の各々の特許出願の全体を参照により援用する。
光を視認者に投影し、画像情報を1つ以上の深度平面上に表示するように構成される頭部搭載型ディスプレイであって、前記ディスプレイは、
光を視認者に投影するように構成される1つ以上の導波管であって、前記1つ以上の導波管は、周囲環境内のオブジェクトからの光を視認者に透過させるようにさらに構成される、1つ以上の導波管と、
1つ以上の導波管と視認者の第1の眼との間の第1の可変焦点レンズ要素と、
1つ以上の導波管と周囲環境との間の第2の可変焦点レンズ要素と
を備える、ディスプレイと、
視認者の眼の輻輳・開散運動を決定するように構成される眼追跡システムと
を備え、ディスプレイシステムは、視認者の眼の決定された輻輳・開散運動に基づいて、第1および第2の可変焦点レンズ要素の屈折力を調節することによって、ユーザの眼の屈折誤差を補正するように構成される、ディスプレイシステム。
視認者の頭部上に搭載されるディスプレイを提供することであって、ディスプレイは、画像情報を1つ以上の深度平面上に表示するように構成され、ディスプレイは、
光を視認者に投影し、画像情報を表示するように構成される1つ以上の導波管
を備え、
1つ以上の導波管はさらに、周囲環境内のオブジェクトからの光を視認者に透過させるように構成される、ことと、
視認者の眼の輻輳・開散運動点を決定することと、
視認者の眼の屈折誤差を補正することであって、前記補正することは、
決定された輻輳・開散運動点に基づいて、1つ以上の導波管と視認者の眼との間に配置される第1の可変焦点レンズ要素の屈折力を変動させることと、
決定された輻輳・開散運動点に基づいて、1つ以上の導波管と視認者を囲繞する環境との間に配置される第2の可変焦点レンズ要素の屈折力を変動させることと
によって行われる、ことと
を含む、方法。
第3の可変焦点レンズ要素および第4の可変焦点レンズ要素であって、第3の可変焦点レンズ要素は、1つ以上の導波管と視認者の他方の眼との間にあり、第4の可変焦点レンズ要素は、第3の可変焦点レンズの直前かつ1つ以上の導波管と周囲環境との間にある、第3の可変焦点レンズ要素および第4の可変焦点レンズ要素
をさらに備え、
決定された輻輳・開散運動点に基づいて、第3および第4の可変焦点レンズ要素の屈折力を変動させることによって、他方の眼の屈折誤差を補正することを含む、実施例19に記載の方法。
本願明細書は、例えば、以下の項目も提供する。
(項目1)
ディスプレイシステムであって、
光を視認者に投影し、画像情報を1つ以上の深度平面上に表示するように構成される頭部搭載型ディスプレイであって、前記ディスプレイは、
前記光を前記視認者に投影するように構成される1つ以上の導波管であって、前記1つ以上の導波管は、周囲環境内のオブジェクトからの光を前記視認者に透過させるようにさらに構成される、1つ以上の導波管と、
前記1つ以上の導波管と前記視認者の第1の眼との間の第1の可変焦点レンズ要素と、
前記1つ以上の導波管と周囲環境との間の第2の可変焦点レンズ要素と
を備える、ディスプレイと、
前記視認者の眼の輻輳・開散運動を決定するように構成される眼追跡システムと
を備え、
前記ディスプレイシステムは、前記視認者の眼の決定された輻輳・開散運動に基づいて、前記第1および第2の可変焦点レンズ要素の屈折力を調節することによって、前記ユーザの眼の屈折誤差を補正するように構成される、ディスプレイシステム。
(項目2)
前記ディスプレイシステムは、前記画像情報を表示するために、深度平面に応じて前記第1および第2の可変焦点レンズ要素の屈折力を修正するように構成される、項目1に記載のディスプレイシステム。
(項目3)
前記ディスプレイシステムは、前記第1の可変焦点レンズ要素の屈折力に応答して、前記第2の可変焦点レンズ要素の屈折力を調節するように構成される、項目1に記載のディスプレイシステム。
(項目4)
前記1つ以上の導波管は、発散光を前記視認者に投影し、前記画像情報を表示するように構成される、項目1に記載のディスプレイシステム。
(項目5)
前記1つ以上の導波管の各々は、固定屈折力を有する、項目1に記載のディスプレイシステム。
(項目6)
前記1つ以上の導波管と前記視認者の第2の眼との間の第3の可変焦点要素をさらに備える、項目1に記載のディスプレイシステム。
(項目7)
前記1つ以上の導波管と周囲環境との間の第4の可変焦点要素をさらに備える、項目6に記載のディスプレイシステム。
(項目8)
前記システムは、前記決定された輻輳・開散運動に基づいて、前記第3の可変焦点レンズ要素の屈折力を調節し、前記投影された光の波面を変動させるように構成される、項目6に記載のディスプレイシステム。
(項目9)
前記システムは、前記決定された輻輳・開散運動に基づいて、前記第4の可変焦点レンズ要素の屈折力を調節し、前記周囲環境内のオブジェクトからの入射光の波面を変動させるように構成される、項目8に記載のディスプレイシステム。
(項目10)
眼追跡システムは、1つ以上のカメラを備える、項目1に記載のディスプレイシステム。
(項目11)
前記第1および/または第2の可変焦点レンズ要素の屈折力は、2つ以上の距離における前記視認者の視覚を補正するために、処方箋に従って調節される、項目1に記載のディスプレイシステム。
(項目12)
前記システムは、前記第1および第2の可変焦点レンズ要素の各々に対し、3つ以上の事前に設定された処方箋屈折力を有する、項目1に記載のディスプレイシステム。
(項目13)
利用可能な処方箋屈折力の数は、少なくとも前記ディスプレイのための深度平面の総数と等しい、項目1に記載のディスプレイシステム。
(項目14)
前記第1および/または第2の可変焦点レンズ要素は、2つの基板間に挟入された液晶の層を備える、項目1に記載のディスプレイシステム。
(項目15)
前記第1および/または第2の可変焦点レンズ要素は、電圧の印加に応じて前記液晶層の屈折率を改変するための電極を備える、項目14に記載のディスプレイシステム。
(項目16)
前記基板は、ガラスを含む、項目14に記載のディスプレイシステム。
(項目17)
電流または電圧の印加によって前記第1および/または第2の可変焦点レンズ要素の屈折率を変動させるように構成される電子ハードウェア制御システムをさらに備える、項目1に記載のディスプレイシステム。
(項目18)
前記眼追跡システムは、前記電子ハードウェア制御システムへのフィードバックループを形成し、前記視認者の眼の決定された輻輳・開散運動に従って、前記第1および/または第2の可変焦点レンズ要素の屈折率を変動させる、項目17に記載のディスプレイシステム。
(項目19)
画像情報を頭部搭載型ディスプレイ上に表示するための方法であって、前記方法は、
視認者の頭部上に搭載されるディスプレイを提供することであって、前記ディスプレイは、画像情報を1つ以上の深度平面上に表示するように構成され、前記ディスプレイは、
光を前記視認者に投影し、前記画像情報を表示するように構成される1つ以上の導波管
を備え、
前記1つ以上の導波管はさらに、周囲環境内のオブジェクトからの光を前記視認者に透過させるように構成される、ことと、
前記視認者の眼の輻輳・開散運動点を決定することと、
前記視認者の眼の屈折誤差を補正することであって、前記補正することは、
前記決定された輻輳・開散運動点に基づいて、前記1つ以上の導波管と前記視認者の眼との間に配置される第1の可変焦点レンズ要素の屈折力を変動させることと、
前記決定された輻輳・開散運動点に基づいて、前記1つ以上の導波管と前記視認者を囲繞する環境との間に配置される第2の可変焦点レンズ要素の屈折力を変動させることと
によって行われる、ことと
を含む、方法。
(項目20)
第3の可変焦点レンズ要素および第4の可変焦点レンズ要素であって、前記第3の可変焦点レンズ要素は、前記1つ以上の導波管と前記視認者の他方の眼との間にあり、前記第4の可変焦点レンズ要素は、前記第3の可変焦点レンズの直前かつ前記1つ以上の導波管と周囲環境との間にある、第3の可変焦点レンズ要素および第4の可変焦点レンズ要素
をさらに備え、
前記決定された輻輳・開散運動点に基づいて、前記第3および第4の可変焦点レンズ要素の屈折力を変動させることによって、前記他方の眼の屈折誤差を補正することを含む、項目19に記載の方法
(項目21)
前記輻輳・開散運動点を決定することは、1つ以上のカメラを使用して、前記視認者の両眼の輻輳・開散運動を追跡することを含む、項目20に記載の方法。
(項目22)
前記第1の可変焦点レンズ要素の屈折力は、前記第2の可変焦点レンズ要素の屈折力と同時に変動される、項目19に記載の方法。
(項目23)
前記1つ以上の導波管の各々は、前記導波管からの発散光を出力するように構成される、回折光学要素を備える、項目19に記載の方法。
Claims (1)
- 明細書に記載された発明。
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