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公开(公告)号：US11281008B2
公开(公告)日：2022-03-22
申请号：US16870545
申请日：2020-05-08
发明人： Ying Geng , Jacques Gollier , Alexander Sohn , Matthew E. Colburn
IPC分类号： G02B27/01 , H04N13/332 , H01L27/32 , H04N13/344 , H04N13/324
摘要： An electronic display assembly includes a display element and a corrective element coupled to the display element. The display element has a first plurality of sub-pixels of a first type and a second plurality of sub-pixels of a second type. Two adjacent sub-pixels of the first plurality of sub-pixel are separated by a sub-pixel distance. The corrective element has a plurality of features configured to diffuse light emitted by the first plurality of sub-pixels such that an apparent distance between the two adjacent sub-pixels of the first type, viewed at a viewing distance away from the electronic display assembly, is less than the sub-pixel distance.
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公开(公告)号：US11207807B1
公开(公告)日：2021-12-28
申请号：US15916104
申请日：2018-03-08
IPC分类号： B29C43/36 , B29C43/02 , B29C43/52 , B29K33/00 , B29K69/00 , B29L11/00 , B29C43/56 , B29K105/00
摘要： A method includes placing an optical substrate onto a vacuum mold having a bent contact surface characterized by a surface roughness. The method further includes bending, by an applied bending force, the optical substrate and the protective sheet to cause the protective sheet to come into contact with the bent contact surface of the vacuum mold, generating a vacuum-induced holding force to hold the protective sheet against the bent contact surface of the vacuum mold. After a holding time period, the vacuum-induced holding force is released. During molding, a protective sheet provides a buffer layer between the bent contact surface of the vacuum mold and an optical surface of the optical substrate thereby mitigating against transfer of the surface roughness of the bent contact surface onto the optical surface.
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公开(公告)号：US10427366B1
公开(公告)日：2019-10-01
申请号：US15346153
申请日：2016-11-08
发明人： Alexander Sohn
摘要： A progressive indent system is used to manufacture a mold for a microlens array. The system includes a die, an actuator, and a controller. The die comprises a plurality of protrusions, wherein each of the protrusions is configured to create an impression in a substrate. Each protrusion has a different priority and is arranged in order of increasing priority on the die. The actuator is coupled to the die and receives actuation instructions from the controller. The actuation instructions cause the actuator to stamp a specific location on the substrate with the plurality of protrusions in order of increasing priority, wherein successive impressions at the specific location progressively form the final shape of a microlens mold. The actuator may move the die repeatedly across the substrate to form a plurality of individual microlens molds at several locations on the substrate, forming a mold for a microlens array.
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公开(公告)号：US11215782B2
公开(公告)日：2022-01-04
申请号：US16570632
申请日：2019-09-13
发明人： Alexander Sohn
摘要： An example optical substrate, according to aspects of the present disclosure, includes a support structure, a plurality of optical components, and a plurality of flexures. Each flexure is engaged with the support structure and a respective optical component for allowing independent lateral movements of the optical components during assembly of the optical substrate with another layer of an optical assembly.
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公开(公告)号：US20190212546A1
公开(公告)日：2019-07-11
申请号：US15925720
申请日：2018-03-19
发明人： Alexander Sohn , Nelson Cardenas
摘要： The disclosed apparatus may include (1) a deformable stepped lens that (a) provides a first optical power when a shape of the deformable stepped lens includes a first state, and (b) provides a second optical power different from the first optical power when the shape of the deformable stepped lens includes a second state different from the first state and (2) an actuator coupled to the deformable stepped lens that, when actuated, applies force to the deformable stepped lens to alter the shape of the deformable stepped lens from the first state to the second state. Various other apparatuses, systems, and methods are also disclosed.
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公开(公告)号：US20220128820A1
公开(公告)日：2022-04-28
申请号：US17569477
申请日：2022-01-05
发明人： Ying Geng , Jacques Gollier , Alexander Sohn , Matthew E. Colburn
IPC分类号： G02B27/01 , H01L27/32 , H04N13/332 , H04N13/344 , H04N13/324
摘要： An electronic display assembly includes a display element and a corrective element coupled to the display element. The display element has a first plurality of sub-pixels of a first type and a second plurality of sub-pixels of a second type. Two adjacent sub-pixels of the first plurality of sub-pixel are separated by a sub-pixel distance. The corrective element has a plurality of features configured to diffuse light emitted by the first plurality of sub-pixels such that an apparent distance between the two adjacent sub-pixels of the first type, viewed at a viewing distance away from the electronic display assembly, is less than the sub-pixel distance.
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公开(公告)号：US11220028B1
公开(公告)日：2022-01-11
申请号：US15916100
申请日：2018-03-08
IPC分类号： B29C43/36 , B29C43/02 , B29C43/52 , B29K33/00 , B29K69/00 , B29K105/00 , B29L11/00 , B29C43/56
摘要： A method for manufacturing thin, multi-bend optics includes placing an optical substrate and a protective sheet into a compression mold and closing the compression mold to deform the optical substrate and to deform the protective sheet. The optical substrate can include an optical surface and the protective sheet can be disposed between the compression mold and the optical surface of the optical substrate. The compression mold can include a mold contact surface that is characterized by a surface roughness. The compression mold can be held in a closed position for a compression time period, during which, the protective sheet contacts the mold contact surface and provides a buffer layer between the mold contact surface and the optical surface thereby mitigating against transfer of the surface roughness of the mold contact surface onto the optical surface.
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公开(公告)号：US20210016409A1
公开(公告)日：2021-01-21
申请号：US16512762
申请日：2019-07-16
发明人： Alexander Sohn
摘要： Aspects of an ultrasonic polishing system include an ultrasonic actuator and a polishing arm. The ultrasonic actuator is configured to generate ultrasonic vibrations and the polishing arm is coupled to the ultrasonic actuator. The polishing arm includes a horn and a polishing ball. The horn has a proximal end and a distal end. The proximal end is coupled to receive the ultrasonic vibrations and the horn is configured to propagate the ultrasonic vibrations from the proximal end to a distal end. The polishing ball is attached to the distal end of the horn, where the polishing ball vibrates in response to the ultrasonic vibrations for polishing a surface of an optical element. The polishing ball is configured to provide a polishing area on the surface of the optical element that is smaller than an aperture of the optical element.
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公开(公告)号：US10788677B2
公开(公告)日：2020-09-29
申请号：US15723305
申请日：2017-10-03
发明人： Ying Geng , Yusufu Njoni Bamaxam Sulai , Andrew John Ouderkirk , Brian Wheelwright , Jacques Gollier , Alexander Sohn , Robin Sharma
摘要： A head-mounted device (HMD) comprises a display element, a Fresnel assembly, an illumination source, and a camera assembly. The display element outputs image light in a first band of light through a display surface. The optics block directs light from the display element to a target region (e.g., includes a portion of a user's face, eyes, etc.). The Fresnel assembly transmits light in the first band and directs light in a second band different than the first band to a first position. The source illuminates the target area with light in the second band. The camera is located in the first position and captures light in the second band corresponding to light reflected from the target area that is then reflected by the Fresnel assembly toward the camera. A controller may use the captured light to determine tracking information for areas of a user's face (e.g., eyes).
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公开(公告)号：US20200271937A1
公开(公告)日：2020-08-27
申请号：US16870545
申请日：2020-05-08
发明人： Ying Geng , Jacques Gollier , Alexander Sohn , Matthew E. Colburn
IPC分类号： G02B27/01 , H01L27/32 , H04N13/332 , H04N13/344 , H04N13/324
摘要： An electronic display assembly includes a display element and a corrective element coupled to the display element. The display element has a first plurality of sub-pixels of a first type and a second plurality of sub-pixels of a second type. Two adjacent sub-pixels of the first plurality of sub-pixel are separated by a sub-pixel distance. The corrective element has a plurality of features configured to diffuse light emitted by the first plurality of sub-pixels such that an apparent distance between the two adjacent sub-pixels of the first type, viewed at a viewing distance away from the electronic display assembly, is less than the sub-pixel distance.
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