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US Patent 10330937 Near-eye display apparatus

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
103309371
Patent Inventor Names
Dewen Cheng1
Qiwei Wang1
Date of Patent
June 25, 2019
1
Patent Application Number
158607871
Date Filed
January 3, 2018
1
Patent Citations Received
‌
US Patent 11940641 Transversal light pipe
2
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US Patent 10816811 Compact head-mounted display system
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US Patent 10989921 Augmented reality optics system with pinpoint mirror
1
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US Patent 10989922 Augmented reality optics system with pin mirror
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US Patent 11598958 Method of fabricating a symmetric light guide optical element
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US Patent 11803056 Waveguided display systems
Patent Primary Examiner
‌
Mohammed A Hasan
1
Patent abstract

A wearable augmented reality (AR) or virtual reality (VR) display apparatus includes an optical waveguide; an optical free-form surface; and a microdisplay; wherein optical free-form surface is optically coupled to the waveguide through an inclined optical path. A near-eye display apparatus includes two or more layers of waveguide plates arranged to overlap with each other, wherein within each layer of the waveguide plate includes multiple reflective surfaces different in reflectivity, so as to ensure that light transmitted through the waveguide plate has a substantially uniform distribution of intensity in a predetermined area when exiting outward from the waveguide plate. The waveguide optical element is ultrathin so as to be directly mounted into a spectacle frame. User experience and contrast level are also improved.

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