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公开(公告)号：US12140741B2
公开(公告)日：2024-11-12
申请号：US18341562
申请日：2023-06-26
Applicant: Apple Inc.
Inventor： Sajjad A. Khan , Nan Zhu , Graham B. Myhre , Brent J. Bollman , Tyler Anderson , Weibo Cheng , John N. Border
Abstract: A head-mounted display may include a display system and an optical system in a housing. The display system may have a pixel array that produces light associated with images. The display system may also have a linear polarizer through which light from the pixel array passes and a quarter wave plate through which the light passes after passing through the quarter wave plate. The optical system may be a catadioptric optical system having one or more lens elements. The lens elements may include a plano-convex lens and a plano-concave lens. A partially reflective mirror may be formed on a convex surface of the plano-convex lens. A reflective polarizer may be formed on the planar surface of the plano-convex lens or the concave surface of the plano-concave lens. An additional quarter wave plate may be located between the reflective polarizer and the partially reflective mirror.
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公开(公告)号：US11874530B2
公开(公告)日：2024-01-16
申请号：US16612336
申请日：2018-05-03
Applicant: Apple Inc.
Inventor： Victoria C. Chan , Christina G. Gambacorta , Graham B. Myhre , Hyungryul Choi , Nan Zhu , Phil M. Hobson , William W. Sprague , Edward A. Valko , Qiong Huang , Branko Petljanski , Paul V. Johnson , Brandon E. Clarke , Elijah H. Kleeman
IPC: G02C7/08 , A61B3/00 , A61B3/032 , A61B3/036 , G02B6/42 , G02B7/02 , G02B7/09 , G02F1/133 , G06F1/16 , G02F1/1343
CPC classification number: G02C7/083 , A61B3/0008 , A61B3/032 , A61B3/036 , G02B6/4204 , G02B7/023 , G02B7/09 , G02F1/13306 , G06F1/163 , G02F1/13439
Abstract: A head-mounted display may include a display system and an optical system in a housing. The display system may have displays that produce images. Positioners may be used to move the displays relative to the eye positions of a user's eyes. An adjustable optical system may include tunable lenses such as tunable cylindrical liquid crystal lenses. The displays may be viewed through the lenses when the user's eyes are at the eye positions. A sensor may be incorporated into the head-mounted display to measure refractive errors in the user's eyes. The sensor may include waveguides and volume holograms, and a camera for gathering light that has reflected from the retinas of the user's eyes. Viewing comfort may be enhanced by adjusting display positions relative to the eye positions and/or by adjusting lens settings based on the content being presented on the display and/or measured refractive errors.
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公开(公告)号：US20210132349A1
公开(公告)日：2021-05-06
申请号：US17150919
申请日：2021-01-15
Applicant: Apple Inc.
Inventor： Sajjad A. Khan , Nan Zhu , Graham B. Myhre , Brent J. Bollman , Tyler Anderson , Weibo Cheng , John N. Border
Abstract: A head-mounted display may include a display system and an optical system in a housing. The display system may have a pixel array that produces light associated with images. The display system may also have a linear polarizer through which light from the pixel array passes and a quarter wave plate through which the light passes after passing through the quarter wave plate. The optical system may be a catadioptric optical system having one or more lens elements. The lens elements may include a plano-convex lens and a plano-concave lens. A partially reflective mirror may be formed on a convex surface of the plano-convex lens. A reflective polarizer may be formed on the planar surface of the plano-convex lens or the concave surface of the plano-concave lens. An additional quarter wave plate may be located between the reflective polarizer and the partially reflective mirror.
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公开(公告)号：US10928613B2
公开(公告)日：2021-02-23
申请号：US16776750
申请日：2020-01-30
Applicant: Apple Inc.
Inventor： Sajjad A. Khan , Nan Zhu , Graham B. Myhre , Brent J. Bollman , Tyler Anderson , Weibo Cheng , John N. Border
Abstract: A head-mounted display may include a display system and an optical system in a housing. The display system may have a pixel array that produces light associated with images. The display system may also have a linear polarizer through which light from the pixel array passes and a quarter wave plate through which the light passes after passing through the quarter wave plate. The optical system may be a catadioptric optical system having one or more lens elements. The lens elements may include a plano-convex lens and a plano-concave lens. A partially reflective mirror may be formed on a convex surface of the plano-convex lens. A reflective polarizer may be formed on the planar surface of the plano-convex lens or the concave surface of the plano-concave lens. An additional quarter wave plate may be located between the reflective polarizer and the partially reflective mirror.
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公开(公告)号：US20200166738A1
公开(公告)日：2020-05-28
申请号：US16776750
申请日：2020-01-30
Applicant: Apple Inc.
Inventor： Sajjad A. Khan , Nan Zhu , Graham B. Myhre , Brent J. Bollman , Tyler Anderson , Weibo Cheng , John N. Border
Abstract: A head-mounted display may include a display system and an optical system in a housing. The display system may have a pixel array that produces light associated with images. The display system may also have a linear polarizer through which light from the pixel array passes and a quarter wave plate through which the light passes after passing through the quarter wave plate. The optical system may be a catadioptric optical system having one or more lens elements. The lens elements may include a plano-convex lens and a plano-concave lens. A partially reflective mirror may be formed on a convex surface of the plano-convex lens. A reflective polarizer may be formed on the planar surface of the plano-convex lens or the concave surface of the plano-concave lens. An additional quarter wave plate may be located between the reflective polarizer and the partially reflective mirror.
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Patent Agency Ranking
公开(公告)号：US20200089014A1
公开(公告)日：2020-03-19
申请号：US16546157
申请日：2019-08-20
Applicant: Apple Inc.
Inventor： Guolin Peng , Eric J. Hansotte , Francesco Aieta , Graham B. Myhre , Hyungryul Choi , Nan Zhu , Paul J. Gelsinger-Austin , Se Baek Oh , Scott M. DeLapp , Bradley C. Steele
Abstract: An electronic device may have a display that emits image light, a waveguide, and an input coupler that couples the image light into the waveguide. Beam splitter structures may be embedded within the waveguide. The beam splitter structures may partially reflect the image light multiple times and may serve to generate replicated beams of light that are coupled out of the waveguide by an output coupler. The beam splitter structures may replicate the beams across two dimensions to provide an eye box with uniform-intensity light from the display across its area. The beam splitter structures may include stacked partially reflective beam splitter layers, sandwiched transparent substrate layers having different indices of refraction, a thick volume hologram interposed between substrate layers, or combinations of these or other structures. The reflectivity of the beam splitter structures may vary discretely or continuously across the lateral area of the waveguide.
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公开(公告)号：US20240103301A1
公开(公告)日：2024-03-28
申请号：US18530471
申请日：2023-12-06
Applicant: Apple Inc.
Inventor： Victoria C. Chan , Christina G. Gambacorta , Graham B. Myhre , Hyungryul Choi , Nan Zhu , Phil M. Hobson , William W. Sprague , Edward A. Valko , Qiong Huang , Branko Petljanski , Paul V. Johnson , Brandon E. Clarke , Elijah H. Kleeman
IPC: G02C7/08 , A61B3/00 , A61B3/032 , A61B3/036 , G02B6/42 , G02B7/02 , G02B7/09 , G02F1/133 , G06F1/16
CPC classification number: G02C7/083 , A61B3/0008 , A61B3/032 , A61B3/036 , G02B6/4204 , G02B7/023 , G02B7/09 , G02F1/13306 , G06F1/163 , G02F1/13439
Abstract: A head-mounted display may include a display system and an optical system in a housing. The display system may have displays that produce images. Positioners may be used to move the displays relative to the eye positions of a user's eyes. An adjustable optical system may include tunable lenses such as tunable cylindrical liquid crystal lenses. The displays may be viewed through the lenses when the user's eyes are at the eye positions. A sensor may be incorporated into the head-mounted display to measure refractive errors in the user's eyes. The sensor may include waveguides and volume holograms, and a camera for gathering light that has reflected from the retinas of the user's eyes. Viewing comfort may be enhanced by adjusting display positions relative to the eye positions and/or by adjusting lens settings based on the content being presented on the display and/or measured refractive errors.
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公开(公告)号：US20230333359A1
公开(公告)日：2023-10-19
申请号：US18341562
申请日：2023-06-26
Applicant: Apple Inc.
Inventor： Sajjad A. Khan , Nan Zhu , Graham B. Myhre , Brent J. Bollman , Tyler Anderson , Weibo Cheng , John N. Border
CPC classification number: G02B17/0856 , G02B27/283 , G02B27/0172 , G02B27/0018 , G02B27/286 , G09G3/003 , G02B2027/0138
Abstract: A head-mounted display may include a display system and an optical system in a housing. The display system may have a pixel array that produces light associated with images. The display system may also have a linear polarizer through which light from the pixel array passes and a quarter wave plate through which the light passes after passing through the quarter wave plate. The optical system may be a catadioptric optical system having one or more lens elements. The lens elements may include a plano-convex lens and a plano-concave lens. A partially reflective minor may be formed on a convex surface of the plano-convex lens. A reflective polarizer may be formed on the planar surface of the plano-convex lens or the concave surface of the plano-concave lens. An additional quarter wave plate may be located between the reflective polarizer and the partially reflective mirror.
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公开(公告)号：US11301969B1
公开(公告)日：2022-04-12
申请号：US16575994
申请日：2019-09-19
Applicant: Apple Inc.
Inventor： Moinul Khan , Simon Fortin-Deschenes , Yanli Zhang , Bennett S. Wilburn , Sterling G. Orsten , Nan Zhu , James Zhou
Abstract: Some implementations provide improved user experiences on head mounted devices (HMDs) that provide near eye viewing, e.g., HMDs that display distorted images and provide lenses that undistort the images for the user. The images are produced using distortion that is corrected dynamically based on context to conserve device resources. To do so, a context associated with a state of the user, the HMD, or content being viewed on the HMD is tracked during the user experience. For example, the device may predict pupil position, eye state, eye gaze direction, or eye fixation, content type, connection mode, and other context. The device uses the tracked context to determine how to correct distortion for the images at different points during the user experience. For example, new distortion corrections may be computed and used while the user's gaze is moving and previously-determined distortion corrections may be used while the user's gaze is fixed.
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公开(公告)号：US20200174284A1
公开(公告)日：2020-06-04
申请号：US16612336
申请日：2018-05-03
Applicant: Apple Inc.
Inventor： Victoria C. Chan , Christina G. Gambacorta , Graham B. Myhre , Hyungryul Choi , Nan Zhu , Phil M. Hobson , William W. Sprague , Edward A. Valko , Qiong Huang , Branko Petljanski , Paul V. Johnson , Brandon E. Clarke , Elijah H. Kleeman
IPC: G02C7/08 , G02F1/133 , G06F1/16 , G02B6/42 , G02B7/02 , G02B7/09 , A61B3/032 , A61B3/00 , A61B3/036
Abstract: A head-mounted display may include a display system and an optical system in a housing. The display system may have displays that produce images. Positioners may be used to move the displays relative to the eye positions of a user's eyes. An adjustable optical system may include tunable lenses such as tunable cylindrical liquid crystal lenses. The displays may be viewed through the lenses when the user's eyes are at the eye positions. A sensor may be incorporated into the head-mounted display to measure refractive errors in the user's eyes. The sensor may include waveguides and volume holograms, and a camera for gathering light that has reflected from the retinas of the user's eyes. Viewing comfort may be enhanced by adjusting display positions relative to the eye positions and/or by adjusting lens settings based on the content being presented on the display and/or measured refractive errors.
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