JP7420893B2 - 別個の位相および振幅変調器を伴う接眼3dディスプレイ - Google Patents
別個の位相および振幅変調器を伴う接眼3dディスプレイ Download PDFInfo
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- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Holo Graphy (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Description
本明細書は、例えば、以下の項目も提供する。
(項目1)
接眼ディスプレイシステムであって、
光源と、
空間振幅変調器と、
空間位相変調器と、
眼結合光学系であって、前記光源は、前記空間振幅変調器および前記空間位相変調器を通して、前記眼結合光学系に光学的に結合される、眼結合光学系と
を備える、接眼ディスプレイシステム。
(項目2)
前記光源から前記眼結合光学系までの光学経路をさらに備え、前記光学経路は、最初に、前記空間位相変調器に到達する前に、前記空間振幅変調器に到達する、項目1に記載の接眼ディスプレイシステム。
(項目3)
前記光源は、レーザダイオードを含む、項目1に記載の接眼ディスプレイシステム。
(項目4)
前記眼結合光学系は、回折格子を備える、項目1に記載の接眼ディスプレイシステム。
(項目5)
前記回折格子は、体積ホログラフィック格子を備える、項目4に記載の接眼ディスプレイシステム。
(項目6)
前記空間位相変調器は、シリコン上液晶(LCoS)変調器を備える、項目1に記載の接眼ディスプレイシステム。
(項目7)
前記空間振幅変調器は、シリコン上液晶(LCoS)変調器を備える、項目6に記載の接眼ディスプレイシステム。
(項目8)
前記空間振幅変調器は、デジタルマイクロミラーデバイス(DMD)を備える、項目1に記載の接眼ディスプレイシステム。
(項目9)
空間振幅変調器と前記空間位相変調器との間に配置されるプリズムをさらに備える、項目8に記載の接眼ディスプレイシステム。
(項目10)
前記空間振幅変調器と前記空間位相変調器との間に位置するビームスプリッタをさらに備え、
前記光源から前記眼結合光学系までの光学経路が存在し、
前記ビームスプリッタによって反射される前記光学経路の反射部分は、前記光源から第1のコンポーネントまで延在し、
前記ビームスプリッタを通して透過される前記光学経路の透過部分は、前記第1のコンポーネントから第2のコンポーネントまで延在する、
項目1に記載の接眼ディスプレイシステム。
(項目11)
前記第1のコンポーネントは、前記空間振幅変調器であり、前記第2のコンポーネントは、前記空間位相変調器である、項目10に記載の接眼ディスプレイシステム。
(項目12)
仮想コンテンツを生成する方法であって、
光源を介して光を生成することと、
空間振幅変調器を介して前記光の振幅を修正することであって、出力は、振幅変調光である、ことと、
空間位相変調器を介して前記振幅変調光の位相を修正することであって、出力は、振幅および位相変調光である、ことと、
眼結合光学系を介して前記振幅および位相変調光を眼に結合することと
を含む、方法。
(項目13)
空間振幅変調器と前記空間位相変調器との間に配置される少なくとも1つのプリズムを通して前記光を反射させることをさらに含む、項目12に記載の方法。
(項目14)
空間振幅変調器と前記空間位相変調器との間に配置される少なくとも1つのビームスプリッタを通して前記光を分割することをさらに含む、項目12に記載の方法。
(項目15)
接眼ディスプレイシステムであって、
画像を生成するためのピクセル化された発光型光源と、
前記ピクセル化された発光型光源に光学的に結合される空間位相変調器と、
前記空間位相変調器に光学的に結合される眼結合光学系であって、前記空間位相変調器は、前記ピクセル化された発光型光源と前記眼結合光学系との間の光学経路に沿って位置付けられる、眼結合光学系と
を備える、接眼ディスプレイシステム。
(項目16)
前記ピクセル化された発光型光源は、有機発光ダイオードパネルを備える、項目15に記載の接眼ディスプレイシステム。
(項目17)
前記ピクセル化された発光型光源は、マイクロ発光ダイオードパネルを備える、項目16に記載の接眼ディスプレイシステム。
(項目18)
接眼ディスプレイシステムであって、
画像毎振幅変調光源と、
前記画像毎振幅変調光源に光学的に結合される空間位相変調器と、
前記空間位相変調器に光学的に結合される眼結合光学系と
を備える、接眼ディスプレイシステム。
(項目19)
前記空間位相変調器に結合される位相変調器ドライバをさらに備え、空間位相変調器ドライバは、回折レンズパターンを前記空間位相変調器上に生成するように構成される、項目18に記載の接眼ディスプレイシステム。
(項目20)
前記位相変調器ドライバは、深度情報を受信し、前記深度情報に基づいて、前記回折レンズパターンを生成するように構成される、項目19に記載の接眼ディスプレイシステム。
(項目21)
眼追跡カメラと、
前記画像毎振幅変調光源、前記空間位相変調器、および前記眼追跡カメラに結合される回路であって、前記回路は、
前記画像毎振幅変調光源を駆動し、複数の仮想オブジェクトを含む場面を表示することと、
前記眼追跡カメラから、ユーザが見ている前記複数の仮想オブジェクトの中の特定の仮想オブジェクトを示す情報を受信することと、
前記空間位相変調器を駆動し、前記眼追跡カメラからの情報に基づいて識別される前記複数の仮想オブジェクトの中の特定の仮想オブジェクトと関連付けられた距離に基づいて、光波面曲率を調節することと
を行うように構成される、回路と
をさらに備える、項目19に記載の接眼ディスプレイシステム。
(項目22)
前記回路はさらに、空間位相変調器を駆動し、前記眼追跡カメラからの情報に基づいて偏移されるフレネルパターンを生成するように構成される、項目21に記載の接眼ディスプレイシステム。
(項目23)
前記位相変調器ドライバは、回折レンズパターンのアレイを生成するように構成され、前記回折レンズパターンは、前記回折レンズパターンのアレイ内に含まれる、項目19に記載の接眼ディスプレイシステム。
(項目24)
前記空間位相変調器に結合される位相変調器ドライバをさらに備え、空間位相変調器ドライバは、重畳回折レンズパターンを生成するように構成される、項目18に記載の接眼ディスプレイシステム。
(項目25)
接眼ディスプレイシステムであって、
画像毎振幅変調光源と、
前記画像毎振幅変調光源からの光を受け取るように配列されるアクティブゾーンプレート変調器と、
前記アクティブゾーンプレート変調器からの光を受け取るように配列される眼結合光学系と
を備える、接眼ディスプレイシステム。
(項目26)
前記アクティブゾーンプレート変調器は、シリコン上液晶光変調器を備える、項目25に記載の接眼ディスプレイシステム。
(項目27)
前記アクティブゾーンプレート変調器は、デジタルマイクロミラーデバイス光変調器を備える、項目25に記載の接眼ディスプレイシステム。
(項目28)
前記眼結合光学系は、体積ホログラフィック回折格子を備える、項目25に記載の接眼ディスプレイシステム。
(項目29)
眼追跡カメラと、
前記画像毎振幅変調光源、前記アクティブゾーンプレート変調器、および前記眼追跡カメラに結合される回路であって、前記回路は、
前記画像毎振幅変調光源を駆動し、複数の仮想オブジェクトを含む場面を表示することと、
前記眼追跡カメラからユーザが見ている前記複数の仮想オブジェクトの中の特定の仮想オブジェクトを示す情報を受信することと、
前記アクティブゾーンプレート変調器を駆動し、前記眼追跡カメラからの情報に基づいて識別される前記複数の仮想オブジェクトの中の特定の仮想オブジェクトと関連付けられた距離に基づいて、光波面曲率を調節することと
を行うように構成される、回路と
をさらに備える、項目25に記載の接眼ディスプレイシステム。
(項目30)
前記回路はさらに、前記アクティブゾーンプレート変調器を駆動し、前記眼追跡カメラからの情報に基づいて偏移されるゾーンプレートパターンを生成するように構成される、項目29に記載の接眼ディスプレイシステム。
(項目31)
接眼ディスプレイシステムであって、
光源と、
デジタルマイクロミラー変調器アレイと、
空間位相変調器と、
眼結合光学系であって、前記光源は、前記デジタルマイクロミラー変調器アレイおよび前記空間位相変調器を通して、前記眼結合光学系に光学的に結合される、眼結合光学系と
を備える、接眼ディスプレイシステム。
Claims (3)
- 接眼ディスプレイシステムであって、
画像を生成するためのピクセル化された発光型光源と、
前記ピクセル化された発光型光源に光学的に結合される空間位相変調器であって、前記空間位相変調器は、波面曲率を前記光源から受け取られた光に付与するように構成され、前記波面曲率は、仮想画像距離の逆数である、空間位相変調器と、
前記空間位相変調器に光学的に結合される眼結合光学系であって、前記空間位相変調器は、前記ピクセル化された発光型光源と前記眼結合光学系との間の光学経路に沿って位置付けられる、眼結合光学系と
を備える、接眼ディスプレイシステム。 - 前記ピクセル化された発光型光源は、有機発光ダイオードパネルを備える、請求項1に記載の接眼ディスプレイシステム。
- 前記ピクセル化された発光型光源は、マイクロ発光ダイオードパネルを備える、請求項1に記載の接眼ディスプレイシステム。
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