Invention Grant
- Patent Title: Screen
- Patent Title (中): 屏幕
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Application No.: US12172808Application Date: 2008-07-14
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Publication No.: US07864420B2Publication Date: 2011-01-04
- Inventor: Akira Shinbo , Hiroyuki Shindo
- Applicant: Akira Shinbo , Hiroyuki Shindo
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2007-189156 20070720; JP2008-144381 20080602
- Main IPC: G03B21/60
- IPC: G03B21/60

Abstract:
A screen includes plural three-dimensional portions having a concave shape arranged at a front surface side of a screen substrate, wherein the three-dimensional portions are disposed so that the number of the three-dimensional portions provided in a range of a given length along a first direction on the screen substrate which is determined corresponding to at least either one of a direction of a chief ray and a chief direction of outside light is larger than the number of three-dimensional portions provided in a range of the given length along a second direction crossing the first direction and in which the plural three-dimensional portions are arranged so that at least two three-dimensional portions of the three-dimensional portions provided in the range of the given length along the first direction contact each other.
Public/Granted literature
- US20090021828A1 SCREEN Public/Granted day:2009-01-22
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