Invention Grant
- Patent Title: Ambient light absorbing screen
- Patent Title (中): 环境吸光屏
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Application No.: US11496774Application Date: 2006-07-31
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Publication No.: US07911693B2Publication Date: 2011-03-22
- Inventor: Gilbert G Smith , Arthur Piehl , Thomas E Novet
- Applicant: Gilbert G Smith , Arthur Piehl , Thomas E Novet
- Applicant Address: US TX Houston
- Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee Address: US TX Houston
- Main IPC: G03B21/60
- IPC: G03B21/60
Abstract:
A method of creating a projection screen includes forming on a substrate a set of reflective areas directed to a first set of angles and forming on the substrate a set of absorptive areas directed to other than the first set of angles.
Public/Granted literature
- US20070217004A1 Ambient light absorbing screen Public/Granted day:2007-09-20
Information query
