Screen

Details Screen Screen

2011-01-04

2011-01-04

Mahoney, Christopher (Department: 2862)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural reflecting areas

Reexamination Certificate

active

07864420

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.

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