Invention Grant
- Patent Title: Projection screen
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Application No.: US17771292Application Date: 2020-10-24
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Publication No.: US11886103B2Publication Date: 2024-01-30
- Inventor: Fei Hu , Shijie Li , Lin Wang , Yi Li
- Applicant: APPOTRONICS CORPORATION LIMITED
- Applicant Address: CN Guangdong
- Assignee: APPOTRONICS CORPORATION LIMITED
- Current Assignee: APPOTRONICS CORPORATION LIMITED
- Current Assignee Address: CN Guangdong
- Agency: Burris Law, PLLC
- Priority: CN 1911017321.1 2019.10.24
- International Application: PCT/CN2020/123459 2020.10.24
- International Announcement: WO2021/078289A 2021.04.29
- Date entered country: 2022-04-22
- Main IPC: G03B21/60
- IPC: G03B21/60 ; G02B13/16 ; G02B13/10 ; G02B17/04 ; G02B27/18 ; G03B3/02

Abstract:
The projection screen includes a reflective layer and a light-absorbing layer, where the reflective layer is configured to receive and reflect projection light, and the light-absorbing layer is arranged on the reflective layer; the light-absorbing layer includes a plurality of irregularly arranged light-absorbing members; and the light-absorbing members are configured to absorb at least a part of the projection light, so as to make a brightness of a projected image uniform.
Public/Granted literature
- US20220373875A1 PROJECTION SCREEN Public/Granted day:2022-11-24
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