- 专利标题: NEAR-EYE OPTICAL DISPLAY APPARATUS
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申请号: US18331148申请日: 2023-06-07
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公开(公告)号: US20230408825A1公开(公告)日: 2023-12-21
- 发明人: Ping-Yen Chen , Chung-Yang Fang
- 申请人: Coretronic Corporation
- 申请人地址: TW Hsin-Chu
- 专利权人: Coretronic Corporation
- 当前专利权人: Coretronic Corporation
- 当前专利权人地址: TW Hsin-Chu
- 优先权: CN 2210985170.4 2022.08.17 CN 2211267216.5 2022.10.17
- 主分类号: G02B27/01
- IPC分类号: G02B27/01 ; G02F1/1335 ; G02F1/1337 ; G02F1/13363
摘要:
A near-eye optical display apparatus includes an optical waveguide, an image beam source, and an electrically controlled liquid crystal cell. The image beam source is disposed on one side of a first light incident surface to provide an image beam. After being transmitted through the optical waveguide, the image beam exits from the light-exit surface. The liquid crystal cell is disposed on one side of a second light incident surface, and has a first sight region and a second sight region disposed in a first direction. When a driving voltage is supplied to the liquid crystal cell, the percentage of an average transmittance of the second sight region for an ambient beam and an average transmittance of the first sight region for the ambient beam is less than or equal to 50%. The display contrast of the near-eye optical display apparatus proposed by the invention is not easily affected by the external environment.
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