JP2023516679A - ウェアラブルディスプレイ内の光透過アーチファクトの角度選択的減衰 - Google Patents
ウェアラブルディスプレイ内の光透過アーチファクトの角度選択的減衰 Download PDFInfo
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Abstract
Description
(関連出願の相互参照)
図1は、ディスプレイまたは接眼レンズ70と、そのディスプレイ70の機能をサポートするための種々の機械的および電子モジュールおよびシステムとを含む、例示的ウェアラブルディスプレイシステム60を図示する。ディスプレイ70は、フレーム80内に格納されてもよく、これは、ディスプレイシステムユーザ90によって装着可能であって、ディスプレイ70をユーザ90の眼の正面に位置付けるように構成される。ディスプレイ70は、いくつかの実施形態では、アイウェアと見なされてもよい。いくつかの実施形態では、スピーカ100が、フレーム80に結合され、ユーザ90の外耳道に隣接して位置付けられる。ディスプレイシステムはまた、1つまたはそれを上回るマイクロホン110を含み、音を検出してもよい。マイクロホン110は、ユーザが、入力またはコマンドをシステム60に提供することを可能にすることができ(例えば、音声メニューコマンドの選択、自然言語質問等)、および/または他の人物(例えば、類似ディスプレイシステムの他のユーザ)とのオーディオ通信を可能にすることができる。マイクロホン110はまた、オーディオデータ(例えば、ユーザおよび/または環境からの音)をユーザの周囲から収集することができる。いくつかの実施形態では、ディスプレイシステムもまた、周辺センサ120aを含んでもよく、これは、フレーム80と別個であって、ユーザ90の身体(例えば、頭部、胴体、四肢等上)に取り付けられてもよい。周辺センサ120aは、いくつかの実施形態では、ユーザ90の生理学的状態を特徴付けるデータを取得してもよい。
Claims (25)
- ウェアラブルディスプレイシステムであって、
世界側と、前記世界側に対向するユーザ側とを有する接眼レンズスタックであって、使用の間、前記ユーザ側上に位置付けられるユーザが、前記ユーザの環境のユーザの視野を増大させる前記接眼レンズスタックを介して、前記ウェアラブルディスプレイシステムによって送達される表示される画像を視認する、接眼レンズスタックと、
前記接眼レンズスタックの世界側上に配列される光学減衰器であって、前記光学減衰器は、それぞれが他のドメインの方向と異なる対応する方向に配向される主光学軸を有する複数のドメインを有する複屈折材料の層を備える、光学減衰器と
を備え、
前記光学減衰器の各ドメインは、対応する異なる入射角の範囲にわたって、前記光学減衰器上に入射する可視光の透過を低減させる、ウェアラブルディスプレイシステム。 - 前記ウェアラブルディスプレイのアイボックスに対応する前記接眼レンズスタックの開口に関して、D65発光源を前記世界側上に伴う前記ユーザ側上の前記ディスプレイを通して視認される画像の白色点は、前記アイボックスを画定する前記ディスプレイの開口を横断して、40°またはそれ未満の入射角にわたって、CIELUV色空間内で0.01Δu’v’またはそれ未満だけ変動する、請求項1に記載のウェアラブルディスプレイ。
- 前記開口は、20mmまたはそれを上回る直径を有する、請求項1または請求項2に記載のウェアラブルディスプレイ。
- 前記開口は、50mmまたはそれ未満の直径を有する、前記請求項のいずれか1項に記載のウェアラブルディスプレイ。
- 前記複屈折材料は、液晶材料であり、前記光学減衰器はさらに、一対の整合層を前記液晶材料の対向側上に備え、前記整合層のうちの少なくとも1つは、異なるプレチルト角を前記光学減衰器の異なるドメイン内の液晶材料に提供するように構成される、前記請求項のいずれか1項に記載のウェアラブルディスプレイ。
- 前記ウェアラブルディスプレイの視認軸と交差するドメインにおける極性プレチルト角は、ゼロ度であり、前記視認軸から離れる少なくとも1つのドメインにおける極性プレチルト角は、非ゼロを上回る、請求項5に記載のウェアラブルディスプレイ。
- 非ゼロ極性プレチルト角を伴う少なくとも2つのドメインは、異なる方位角プレチルト角を有する、請求項5または請求項6に記載のウェアラブルディスプレイ。
- 前記複屈折材料の層は、空間変動O-プレートである、前記請求項のいずれか1項に記載のウェアラブルディスプレイ。
- 前記複屈折材料の層は、1次元パターンで配列されるドメインを備える、前記請求項のいずれか1項に記載のウェアラブルディスプレイ。
- 前記複屈折材料の層は、2次元パターンで配列されるドメインを備える、請求項1-8のいずれか1項に記載ウェアラブルディスプレイ。
- 前記複屈折材料の層は、一対の線形偏光器間に配列される、前記請求項のいずれか1項に記載のウェアラブルディスプレイシステム。
- 前記一対の線形偏光器の個別の通過軸は、交差される、請求項11に記載のウェアラブルディスプレイシステム。
- 前記複屈折材料の層は、前記光学減衰器の世界側上に入射する前記一対の線形偏光器のうちの第1の線形偏光器によって透過される光の偏光状態を回転させる、請求項1-11のいずれか1項に記載のウェアラブルディスプレイシステム。
- 前記偏光状態の回転の量は、前記一対の線形偏光器のうちの前記第1の線形偏光器によって透過される光の入射角に応じて、変動する、請求項13に記載のウェアラブルディスプレイシステム。
- 大入射角を有して透過される前記光は、小入射角を有して透過される前記光未満で回転される、請求項14に記載のウェアラブルディスプレイシステム。
- 前記光学減衰器は、一対の4分の1波長板を備え、前記4分の1波長板は、前記複屈折材料の層の対向側上に配置される、請求項1-11のいずれか1項に記載のウェアラブルディスプレイシステム。
- 各4分の1波長板は、前記線形偏光器の対応するものに対して配列され、円偏光器を形成する、請求項16に記載のウェアラブルディスプレイシステム。
- 前記光学減衰器は、複屈折材料の第2の層を備える、前記請求項のいずれか1項に記載のウェアラブルディスプレイシステム。
- 前記光学減衰器はさらに、3つの線形偏光器を備え、各複屈折層は、前記3つの線形偏光器のうちの2つの間に配列される、請求項18に記載のウェアラブルディスプレイシステム。
- 複屈折材料の各層は、空間変動O-プレートである、請求項18に記載のウェアラブルディスプレイ。
- 前記光学減衰器は、複数の4分の1波長板を備え、一対の前記4分の1波長板は、前記複屈折材料の各層の対向側上に配列される、請求項20に記載のウェアラブルディスプレイシステム。
- 前記光学減衰器は、2つまたはそれを上回る段階を備え、各段階は、一対の線形偏光器間に配列される前記複屈折材料の層を備える、請求項1-17のいずれか1項に記載のウェアラブルディスプレイシステム。
- 隣接する段階は、線形偏光器を共有する、請求項22に記載のウェアラブルディスプレイシステム。
- 前記複屈折材料の層は、可変光学性質を有する切替可能な要素である、請求項1に記載のウェアラブルディスプレイシステム。
- 前記切替可能な要素は、液晶層を一対の電極層間に備える、請求項24に記載のウェアラブルディスプレイシステム。
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