Invention Grant
- Patent Title: Dark-coloured or black projection screen
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Application No.: US16617345Application Date: 2018-06-05
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Publication No.: US11320730B2Publication Date: 2022-05-03
- Inventor: Cécile Ozanam , Patrick Gayout , Emmanuel Mimoun
- Applicant: SAINT-GOBAIN GLASS FRANCE
- Applicant Address: FR Courbevoie
- Assignee: SAINT-GOBAIN GLASS FRANCE
- Current Assignee: SAINT-GOBAIN GLASS FRANCE
- Current Assignee Address: FR Courbevoie
- Agency: Pillsbury Winthrop Shaw Pittman LLP
- Priority: FR1755047 20170607
- International Application: PCT/FR2018/051296 WO 20180605
- International Announcement: WO2018/224766 WO 20181213
- Main IPC: G03B21/62
- IPC: G03B21/62 ; G03B21/28 ; G03B21/58 ; G03B21/625 ; G03B21/60 ; G03B21/56
Abstract:
An article used as black or dark-colored front-projection screen includes two distinct diffusely reflecting scattering elements, taking the form of parallel sheets or planes, qualified first and second scattering elements, wherein the first scattering element is translucent or transparent and the second scattering element is of dark color.
Public/Granted literature
- US20210132485A1 DARK-COLOURED OR BLACK PROJECTION SCREEN Public/Granted day:2021-05-06
Information query
