JPWO2020047486A5 - - Google Patents

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JPWO2020047486A5
JPWO2020047486A5 JP2021510460A JP2021510460A JPWO2020047486A5 JP WO2020047486 A5 JPWO2020047486 A5 JP WO2020047486A5 JP 2021510460 A JP2021510460 A JP 2021510460A JP 2021510460 A JP2021510460 A JP 2021510460A JP WO2020047486 A5 JPWO2020047486 A5 JP WO2020047486A5
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view
optical system
light
virtual image
information
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JP2021536592A (en
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Priority claimed from PCT/US2019/049176 external-priority patent/WO2020047486A1/en
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Priority to JP2024092963A priority Critical patent/JP2024111004A/en
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多数の利点が、従来の技法に優る本開示の方法によって達成される。例えば、本明細書に説明される拡張現実（ＡＲ）デバイスは、ユーザの眼に到達する周囲光を大域的に調光および／または選択的に調光することによって、暗い屋内から明るい屋外へと変動する光レベルにおいて使用されてもよい。本発明の実施形態は、ピクセル化された調光器を使用して、世界光を９９％を上回って減衰させることによって、単一デバイス内でＡＲおよび仮想現実（ＶＲ）能力を可能にする。本発明の実施形態はまた、離散または持続可変深度平面切替技術を用いて、可変焦点要素を使用して、輻輳・開散運動遠近調節競合を軽減させる。本発明の実施形態は、検出された周囲光の量に基づいて、プロジェクタ明度を最適化することによって、ＡＲデバイスのバッテリ寿命を改良する。本開示の他の利点も、当業者に容易に明白となるであろう。
本発明は、例えば、以下を提供する。
（項目１）
光学システムを動作させる方法であって、
前記光学システムにおいて、世界オブジェクトと関連付けられる光を受光することと、
仮想画像光を接眼レンズ上に投影することと、
前記光学システムによって検出された情報に基づいて、少なくとも部分的に調光されることになる前記光学システムのシステム視野の一部を決定することと、
調光器を調節し、前記システム視野の一部内の世界オブジェクトと関連付けられる光の強度を低減させることと
を含む、方法。
（項目２）
前記光学システムは、前記世界オブジェクトと関連付けられる光に対応する光情報を検出するように構成される光センサを備え、前記検出された情報は、前記光情報を含む、項目１に記載の方法。
（項目３）
前記光情報は、複数の空間的に分解された光値を含む、項目２に記載の方法。
（項目４）
前記光学システムは、前記光学システムのユーザの眼に対応する視線情報を検出するように構成される眼追跡器を備え、前記検出された情報は、前記視線情報を含む、項目１に記載の方法。
（項目５）
前記仮想画像光に対応する画像情報を検出することであって、前記検出された情報は、前記画像情報を含む、こと
をさらに含む、項目１に記載の方法。
（項目６）
前記画像情報は、複数の空間的に分解された画像明度値を含む、項目５に記載の方法。
（項目７）
前記検出された情報に基づいて、前記システム視野の一部に関する複数の空間的に分解された調光値を決定することであって、前記調光器は、前記複数の調光値に従って調節される、こと
をさらに含む、項目１に記載の方法。
（項目８）
前記調光器は、複数のピクセルを備える、項目１に記載の方法。
（項目９）
非一過性コンピュータ可読媒体であって、前記非一過性コンピュータ可読媒体は、命令を備え、前記命令は、プロセッサによって実行されると、前記プロセッサに、
光学システムにおいて、世界オブジェクトと関連付けられる光を受光することと、
仮想画像光を接眼レンズ上に投影することと、
前記光学システムによって検出された情報に基づいて、少なくとも部分的に調光されることになる前記光学システムのシステム視野の一部を決定することと、
調光器を調節し、前記システム視野の一部内の世界オブジェクトと関連付けられる光の強度を低減させることと
を含む動作を実施させる、非一過性コンピュータ可読媒体。
（項目１０）
前記光学システムは、前記世界オブジェクトと関連付けられる光に対応する光情報を検出するように構成される光センサを備え、前記検出された情報は、前記光情報を含む、項目９に記載の非一過性コンピュータ可読媒体。
（項目１１）
前記光情報は、複数の空間的に分解された光値を含む、項目１０に記載の非一過性コンピュータ可読媒体。
（項目１２）
前記光学システムは、前記光学システムのユーザの眼に対応する視線情報を検出するように構成される眼追跡器を備え、前記検出された情報は、前記視線情報を含む、項目９に記載の非一過性コンピュータ可読媒体。
（項目１３）
前記動作はさらに、
前記仮想画像光に対応する画像情報を検出することであって、前記検出された情報は、前記画像情報を含む、こと
を含む、項目９に記載の非一過性コンピュータ可読媒体。
（項目１４）
前記画像情報は、複数の空間的に分解された画像明度値を含む、項目１３に記載の非一過性コンピュータ可読媒体。
（項目１５）
前記動作はさらに、
前記検出された情報に基づいて、前記システム視野の一部に関する複数の空間的に分解された調光値を決定することであって、前記調光器は、前記複数の調光値に従って調節される、こと
を含む、項目９に記載の非一過性コンピュータ可読媒体。
（項目１６）
前記調光器は、複数のピクセルを備える、項目９に記載の非一過性コンピュータ可読媒体。
（項目１７）
光学システムであって、
仮想画像光を接眼レンズ上に投影するように構成されるプロジェクタと、
世界オブジェクトと関連付けられる光を調光するように構成される調光器と、
前記プロジェクタおよび前記調光器に通信可能に結合されるプロセッサであって、前記プロセッサは、
前記光学システムによって検出された情報に基づいて、少なくとも部分的に調光されることになる前記光学システムのシステム視野の一部を決定することと、
前記調光器を調節し、前記システム視野の一部内の世界オブジェクトと関連付けられる光の強度を低減させることと
を含む動作を実施するように構成される、プロセッサと
を備える、光学システム。
（項目１８）
前記世界オブジェクトと関連付けられる光に対応する光情報を検出するように構成される光センサをさらに備え、前記検出された情報は、前記光情報を含む、項目１７に記載の光学システム。
（項目１９）
前記光学システムのユーザの眼に対応する視線情報を検出するように構成される眼追跡器をさらに備え、前記検出された情報は、前記視線情報を含む、項目１７に記載の光学システム。
（項目２０）
前記動作はさらに、
前記仮想画像光に対応する画像情報を検出することであって、前記検出された情報は、前記画像情報を含む、こと
を含む、項目１７に記載の光学システム。 Numerous advantages are achieved by the method of the present disclosure over conventional techniques. For example, the Augmented Reality (AR) devices described herein go from dark indoors to bright outdoors by globally dimming and/or selectively dimming the ambient light reaching the user's eyes. It may be used at varying light levels. Embodiments of the present invention enable AR and virtual reality (VR) capabilities within a single device by attenuating world light by over 99% using pixelated dimmers. Embodiments of the present invention also use variable focus elements to reduce convergence-divergence motion accommodation conflicts using discrete or sustained variable depth plane switching techniques. Embodiments of the present invention improve battery life of AR devices by optimizing projector brightness based on the amount of ambient light detected. Other advantages of the present disclosure will be readily apparent to those skilled in the art.
The present invention provides, for example, the following.
(Item 1)
A method of operating an optical system comprising:
receiving light associated with a world object in the optical system;
projecting the virtual image light onto the eyepiece;
determining a portion of a system field of view of the optical system to be at least partially dimmed based on information detected by the optical system;
adjusting a dimmer to reduce the intensity of light associated with world objects within a portion of the system field of view;
A method, including
(Item 2)
The method of item 1, wherein the optical system comprises a light sensor configured to detect light information corresponding to light associated with the world object, the detected information comprising the light information.
(Item 3)
3. The method of item 2, wherein the light information comprises a plurality of spatially resolved light values.
(Item 4)
The method of item 1, wherein the optical system comprises an eye tracker configured to detect line-of-sight information corresponding to an eye of a user of the optical system, the detected information comprising the line-of-sight information. .
(Item 5)
detecting image information corresponding to the virtual image light, wherein the detected information includes the image information;
The method of item 1, further comprising:
(Item 6)
6. Method according to item 5, wherein the image information comprises a plurality of spatially resolved image intensity values.
(Item 7)
determining a plurality of spatially resolved dimming values for a portion of the system field of view based on the detected information, wherein the dimmer is adjusted according to the plurality of dimming values; to be
The method of item 1, further comprising:
(Item 8)
2. The method of item 1, wherein the dimmer comprises a plurality of pixels.
(Item 9)
A non-transitory computer-readable medium comprising instructions which, when executed by a processor, cause the processor to:
receiving light associated with a world object in an optical system;
projecting the virtual image light onto the eyepiece;
determining a portion of a system field of view of the optical system to be at least partially dimmed based on information detected by the optical system;
adjusting a dimmer to reduce the intensity of light associated with world objects within a portion of the system field of view;
A non-transitory computer-readable medium for performing operations including:
(Item 10)
10. The method of item 9, wherein the optical system comprises a light sensor configured to detect light information corresponding to light associated with the world object, the detected information including the light information. transient computer readable medium.
(Item 11)
11. The non-transitory computer-readable medium of item 10, wherein the light information comprises a plurality of spatially resolved light values.
(Item 12)
10. The non-optical device of item 9, wherein the optical system comprises an eye tracker configured to detect line-of-sight information corresponding to an eye of a user of the optical system, the detected information comprising the line-of-sight information. Transitory computer readable medium.
(Item 13)
Said operation further comprises:
detecting image information corresponding to the virtual image light, wherein the detected information includes the image information;
10. The non-transitory computer-readable medium of item 9, comprising:
(Item 14)
14. The non-transitory computer-readable medium of item 13, wherein the image information comprises a plurality of spatially resolved image brightness values.
(Item 15)
Said operation further comprises:
determining a plurality of spatially resolved dimming values for a portion of the system field of view based on the detected information, wherein the dimmer is adjusted according to the plurality of dimming values; to be
10. The non-transitory computer-readable medium of item 9, comprising:
(Item 16)
10. The non-transitory computer-readable medium of item 9, wherein the dimmer comprises a plurality of pixels.
(Item 17)
an optical system,
a projector configured to project virtual image light onto an eyepiece;
a dimmer configured to dim the light associated with the world object;
A processor communicatively coupled to the projector and the dimmer, the processor comprising:
determining a portion of a system field of view of the optical system to be at least partially dimmed based on information detected by the optical system;
adjusting the dimmer to reduce the intensity of light associated with world objects within a portion of the system field of view;
a processor configured to perform operations including
An optical system comprising:
(Item 18)
18. Optical system according to item 17, further comprising a light sensor configured to detect light information corresponding to light associated with said world object, said detected information comprising said light information.
(Item 19)
18. The optical system of item 17, further comprising an eye tracker configured to detect line-of-sight information corresponding to an eye of a user of said optical system, said detected information comprising said line-of-sight information.
(Item 20)
Said operation further comprises:
detecting image information corresponding to the virtual image light, wherein the detected information includes the image information;
18. The optical system of item 17, comprising:

Claims (13)

光学システムを動作させる方法であって、前記方法は、
前記光学システムにおいて、世界オブジェクトと関連付けられる光を受光することと、
前記世界オブジェクトと関連付けられる前記光に関する世界光情報を検出することであって、前記世界光情報は、複数の空間的に分解された世界光値を含む、ことと、
前記複数の空間的に分解された世界光値に基づいて、少なくとも部分的に調光されることになる前記光学システムのシステム視野の第１の部分を決定することと、
前記光学システムのプロジェクタにおいて、前記光学システムの接眼レンズ上へ投影されることになる仮想画像光を生成することであって、前記仮想画像光は、表示されることになる１つ以上の仮想オブジェクトを表す、ことと、
前記仮想画像光を前記接眼レンズ上へ投影することと、
前記仮想画像光に関する仮想画像情報を検出することであって、前記仮想画像情報は、複数の空間的に分解された仮想画像明度値を含む、ことと、
前記複数の空間的に分解された仮想画像明度値に基づいて、少なくとも部分的に調光されることになる前記光学システムの前記システム視野の第２の部分を決定することであって、前記システム視野の前記第２の部分は、前記システム視野の前記第１の部分と異なる、ことと、
前記システム視野の前記第１の部分と前記システム視野の前記第２の部分とを組み合わせ、前記システム視野の組み合わせられた部分にすることと、
調光器を調節し、前記システム視野の前記組み合わせられた部分内の前記世界オブジェクトと関連付けられる前記光の強度を低減させることと
を含む、方法。 A method of operating an optical system, said method comprising:
receiving light associated with a world object in the optical system;
detecting world light information for the light associated with the world object, the world light information including a plurality of spatially resolved world light values;
determining a first portion of a system field of view of the optical system to be at least partially dimmed based on the plurality of spatially resolved world light values;
generating, in a projector of said optical system, a virtual image light to be projected onto an eyepiece of said optical system, said virtual image light being one or more virtual objects to be displayed; and
projecting the virtual image light onto the eyepiece;
detecting virtual image information about the virtual image light, the virtual image information comprising a plurality of spatially resolved virtual image lightness values;
determining a second portion of the system field of view of the optical system to be at least partially dimmed based on the plurality of spatially resolved virtual image brightness values; the second portion of the field of view is different than the first portion of the system field of view;
combining the first portion of the system field of view and the second portion of the system field of view into a combined portion of the system field of view;
adjusting a dimmer to reduce the intensity of the light associated with the world objects within the combined portion of the system field of view. 前記光学システムは、前記世界光情報を検出するように構成される光センサを備える、請求項１に記載の方法。 2. The method of Claim 1, wherein the optical system comprises a light sensor configured to detect the world light information. 前記光学システムは、前記光学システムのユーザの眼に対応する視線情報を検出するように構成される眼追跡器を備え、少なくとも部分的に調光されることになる前記光学システムの前記システム視野の第３の部分が、前記視線情報に基づいて決定される、請求項１に記載の方法。 The optical system comprises an eye tracker configured to detect line-of-sight information corresponding to an eye of a user of the optical system , and of the system field of view of the optical system to be at least partially dimmed. 2. The method of claim 1 , wherein a third portion is determined based on the line-of -sight information. 検出された情報に基づいて、前記システム視野の前記組み合わせられた部分に関する複数の空間的に分解された調光値を決定することであって、前記調光器は、前記複数の調光値に従って調節される、こと
をさらに含む、請求項１に記載の方法。 determining a plurality of spatially resolved dimming values for the combined portion of the system field of view based on the detected information, the dimmer comprising: 2. The method of claim 1, further comprising: adjusted according to. 前記調光器は、複数のピクセルを備える、請求項１に記載の方法。 2. The method of Claim 1, wherein the dimmer comprises a plurality of pixels. 非一過性コンピュータ可読媒体であって、前記非一過性コンピュータ可読媒体は、命令を備え、前記命令は、プロセッサによって実行されると、
光学システムにおいて、世界オブジェクトと関連付けられる光を受光することと、
前記世界オブジェクトと関連付けられる前記光に関する世界光情報を検出することであって、前記世界光情報は、複数の空間的に分解された世界光値を含む、ことと、
前記複数の空間的に分解された世界光値に基づいて、少なくとも部分的に調光されることになる前記光学システムのシステム視野の第１の部分を決定することと、
前記光学システムのプロジェクタにおいて、前記光学システムの接眼レンズ上へ投影されることになる仮想画像光を生成することであって、前記仮想画像光は、表示されることになる１つ以上の仮想オブジェクトを表す、ことと、
前記仮想画像光を前記接眼レンズ上へ投影することと、
前記仮想画像光に関する仮想画像情報を検出することであって、前記仮想画像情報は、複数の空間的に分解された仮想画像明度値を含む、ことと、
前記複数の空間的に分解された仮想画像明度値に基づいて、少なくとも部分的に調光されることになる前記光学システムの前記システム視野の第２の部分を決定することであって、前記システム視野の前記第２の部分は、前記システム視野の前記第１の部分と異なる、ことと、
前記システム視野の前記第１の部分と前記システム視野の前記第２の部分とを組み合わせ、前記システム視野の組み合わせられた部分にすることと、
調光器を調節し、前記システム視野の前記組み合わせられた部分内の前記世界オブジェクトと関連付けられる前記光の強度を低減させることと
を含む動作を前記プロセッサに実施させる、非一過性コンピュータ可読媒体。 A non-transitory computer-readable medium, the non-transitory computer-readable medium comprising instructions, the instructions, when executed by a processor ,
receiving light associated with a world object in an optical system;
detecting world light information for the light associated with the world object, the world light information including a plurality of spatially resolved world light values;
determining a first portion of a system field of view of the optical system to be at least partially dimmed based on the plurality of spatially resolved world light values;
generating, in a projector of said optical system, a virtual image light to be projected onto an eyepiece of said optical system, said virtual image light being one or more virtual objects to be displayed; and
projecting the virtual image light onto the eyepiece;
detecting virtual image information about the virtual image light, the virtual image information comprising a plurality of spatially resolved virtual image lightness values;
determining a second portion of the system field of view of the optical system to be at least partially dimmed based on the plurality of spatially resolved virtual image brightness values; the second portion of the field of view is different than the first portion of the system field of view;
combining the first portion of the system field of view and the second portion of the system field of view into a combined portion of the system field of view;
adjusting a dimmer to reduce the intensity of the light associated with the world object in the combined portion of the system field of view. . 前記光学システムは、前記世界光情報を検出するように構成される光センサを備える、請求項６に記載の非一過性コンピュータ可読媒体。 7. The non-transitory computer-readable medium of Claim 6 , wherein the optical system comprises an optical sensor configured to detect the world light information. 前記光学システムは、前記光学システムのユーザの眼に対応する視線情報を検出するように構成される眼追跡器を備え、少なくとも部分的に調光されることになる前記光学システムの前記システム視野の第３の部分が、前記視線情報に基づいて決定される、請求項６に記載の非一過性コンピュータ可読媒体。 The optical system comprises an eye tracker configured to detect line-of-sight information corresponding to an eye of a user of the optical system , and of the system field of view of the optical system to be at least partially dimmed. 7. The non-transitory computer-readable medium of claim 6 , wherein a third portion is determined based on the line-of -sight information. 前記動作は、
検出された情報に基づいて、前記システム視野の前記組み合わせられた部分に関する複数の空間的に分解された調光値を決定することであって、前記調光器は、前記複数の調光値に従って調節される、こと
をさらに含む、請求項６に記載の非一過性コンピュータ可読媒体。 The operation is
determining a plurality of spatially resolved dimming values for the combined portion of the system field of view based on the detected information, the dimmer comprising: 7. The non-transitory computer-readable medium of claim 6 , further comprising: adjusted according to. 前記調光器は、複数のピクセルを備える、請求項６に記載の非一過性コンピュータ可読媒体。 7. The non-transitory computer-readable medium of Claim 6 , wherein the dimmer comprises a plurality of pixels. 光学システムであって、
仮想画像光を接眼レンズ上に投影するように構成されるプロジェクタと、
世界オブジェクトと関連付けられる光を調光するように構成される調光器と、
前記プロジェクタおよび前記調光器に通信可能に結合されるプロセッサであって、前記プロセッサは、
前記接眼レンズ上へ投影されることになる前記仮想画像光を生成することであって、前記仮想画像光は、表示されることになる１つ以上の仮想オブジェクトを表す、ことと、
前記仮想画像光に関する仮想画像情報を検出することであって、前記仮想画像情報は、複数の空間的に分解された仮想画像明度値を含む、ことと、
前記複数の空間的に分解された仮想画像明度値に基づいて、少なくとも部分的に調光されることになる前記光学システムの前記システム視野の第２の部分を決定することであって、前記システム視野の前記第２の部分は、前記システム視野の第１の部分と異なる、ことと、
前記システム視野の前記第１の部分と前記システム視野の前記第２の部分とを組み合わせ、前記システム視野の組み合わせられた部分にすることと、
前記調光器を調節し、前記システム視野の前記組み合わせられた部分内の前記世界オブジェクトと関連付けられる前記光の強度を低減させることと
を含む動作を実施するように構成される、プロセッサと
を備える、光学システム。 an optical system,
a projector configured to project virtual image light onto an eyepiece;
a dimmer configured to dim the light associated with the world object;
A processor communicatively coupled to the projector and the dimmer, the processor comprising:
generating the virtual image light to be projected onto the eyepiece, the virtual image light representing one or more virtual objects to be displayed;
detecting virtual image information about the virtual image light, the virtual image information comprising a plurality of spatially resolved virtual image lightness values;
determining a second portion of the system field of view of the optical system to be at least partially dimmed based on the plurality of spatially resolved virtual image brightness values; the second portion of the field of view is different than the first portion of the system field of view;
combining the first portion of the system field of view and the second portion of the system field of view into a combined portion of the system field of view;
adjusting the dimmer to reduce the intensity of the light associated with the world object within the combined portion of the system field of view; and a processor configured to perform an operation comprising: , optical system. 前記世界光情報を検出するように構成される光センサをさらに備える、請求項１１に記載の光学システム。 12. The optical system of Claim 11 , further comprising a light sensor configured to detect said world light information. 前記光学システムのユーザの眼に対応する視線情報を検出するように構成される眼追跡器をさらに備え、少なくとも部分的に調光されることになる前記光学システムの前記システム視野の第３の部分が、前記視線情報に基づいて決定される、請求項１１に記載の光学システム。
 a third portion of the system field of view of the optical system to be at least partially dimmed , further comprising an eye tracker configured to detect line-of-sight information corresponding to an eye of a user of the optical system; is determined based on the line-of- sight information.
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