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公开(公告)号：US10215890B2
公开(公告)日：2019-02-26
申请号：US15157628
申请日：2016-05-18
Applicant: Google Inc.
Inventor： John D. Perreault , Xinda Hu , Yi Qin , Serge Bierhuizen
Abstract: A lens assembly has two opposing surfaces, each surface introducing field curvature in a direction opposite of the field curvature introduced by the opposing surface, and thus the field curvatures introduced by the two surfaces at least partially cancel each other out, resulting in a net field curvature that provides for a substantially flat image plane or for an image plane with a specified curvature. The lens assembly may be implemented as a lens with two opposing Fresnel surfaces so that the field curvature in one direction introduced by one of the Fresnel surfaces is at least partially canceled out by the field curvature in the opposite direction as introduced by an opposing Fresnel surface. Alternatively, the lens assembly may be implemented as a lens with a positive continuous aspheric surface facing the user's eye and an opposing Fresnel surface facing the display panel.
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Patent Agency Ranking
2.发明申请公开(公告)号：US20180136460A1
公开(公告)日：2018-05-17
申请号：US15723996
申请日：2017-10-03
Applicant: Google Inc.
Inventor： Serge Bierhuizen , Xinda Hu , Jerome Carollo
CPC classification number: G02B27/0025 , G02B3/08 , G02B5/04 , G02B27/0172 , G02B2027/011 , G02B2027/0123 , G02B2027/0134 , G02B2027/0136 , H04N13/344
Abstract: A head mounted display device includes a display panel and a lens assembly mounted so that an optical axis of the lens assembly intersects the display panel. The lens assembly includes a lens body having a surface facing the display panel and defining Fresnel prisms. A Fresnel prism of the Fresnel prisms has a first facet angle when viewed in a first cross-section and has a second facet angle when viewed in a second cross-section parallel to the first cross-section. The first facet angle is different than the second facet angle.
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公开(公告)号：US09810904B1
公开(公告)日：2017-11-07
申请号：US15383219
申请日：2016-12-19
Applicant: Google Inc.
Inventor： Serge Bierhuizen , Xinda Hu , Jerome Carollo
CPC classification number: G02B27/0025 , G02B3/08 , G02B5/04 , G02B27/0172 , G02B2027/011 , G02B2027/0123 , G02B2027/0134 , G02B2027/0136 , H04N13/344
Abstract: A head mounted display device includes a display panel and a lens assembly mounted so that an optical axis of the lens assembly intersects the display panel. The lens assembly includes a lens body having a surface facing the display panel and defining Fresnel prisms. A Fresnel prism of the Fresnel prisms has a first facet angle when viewed in a first cross-section and has a second facet angle when viewed in a second cross-section parallel to the first cross-section. The first facet angle is different than the second facet angle.
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公开(公告)号：US10133074B2
公开(公告)日：2018-11-20
申请号：US15015681
申请日：2016-02-04
Applicant: GOOGLE INC.
Inventor： Jerome Carollo , Xinda Hu , Serge Bierhuizen
Abstract: Systems and methods are described for receiving image content from an emissive display toward a first filter stack, the first filter stack adapted to be oriented in a first direction from an optical axis of a first lens, and toward the first lens, transmitting the image content through a curved lens parallel to the optical axis of the first lens, wherein the curved lens transmits a portion of the image content to at least one optical element and to a second filter stack, the second filter stack being adapted to be oriented in a second direction from the optical axis of the first lens, and receiving the portion from the second filter stack and providing at least some of the portion to the first lens for viewing by a user.
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公开(公告)号：US20170336539A1
公开(公告)日：2017-11-23
申请号：US15157628
申请日：2016-05-18
Applicant: Google Inc.
Inventor： John D. Perreault , Xinda Hu , Yi Qin , Serge Bierhuizen
CPC classification number: G02B3/08 , G02B3/04 , G02B5/045 , G02B13/18 , G02B27/0025 , G02B27/0172 , G02B2027/0132
Abstract: A lens assembly has two opposing surfaces, each surface introducing field curvature in a direction opposite of the field curvature introduced by the opposing surface, and thus the field curvatures introduced by the two surfaces at least partially cancel each other out, resulting in a net field curvature that provides for a substantially flat image plane or for an image plane with a specified curvature. The lens assembly may be implemented as a lens with two opposing Fresnel surfaces so that the field curvature in one direction introduced by one of the Fresnel surfaces is at least partially canceled out by the field curvature in the opposite direction as introduced by an opposing Fresnel surface. Alternatively, the lens assembly may be implemented as a lens with a positive continuous aspheric surface facing the user's eye and an opposing Fresnel surface facing the display panel.
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公开(公告)号：US10095036B2
公开(公告)日：2018-10-09
申请号：US15015608
申请日：2016-02-04
Applicant: GOOGLE INC.
Inventor： Jerome Carollo , Xinda Hu , Serge Bierhuizen
Abstract: Systems and methods that employ a near-eye display system including an optical assembly are described. The optical assembly may include a head-mounted display device worn by a user in which the head-mounted display device adapted to house an image projecting device and an optical assembly. The optical assembly may include, for at least one eyepiece, a first flat filter stack operable to be oriented in a first direction. and a second flat filter stack operable to be oriented in a second direction. The near-eye display system assembly may also include a display panel adapted to receive image content from the image projecting device, wherein the display panel is adapted to be oriented in the second direction.
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