Lenticular sheet and transmission type screen using the same

Details Lenticular sheet and transmission type screen using the same Lenticular sheet and transmission type screen using the same

2007-06-12

2007-06-12

Fuller, Rodney (Department: 2851)

Optical: systems and elements

Projection screen

Moving during projection

Reexamination Certificate

active

11051641

ABSTRACT:
A lenticular sheet obtained by the method including forming lenticular lens section on the input side of the sheet; forming an irregular section having a plurality of depressions and protrusions on the output side of the sheet; forming a light-absorbing layer on each protrusion; and filling each depression with a light-transmittable resin. The lenticular sheet provides a tolerance needed for fine pitch pattern processing and can be manufactured by using a conventional printing process as it is, thereby providing excellent contrast characteristics as well as excellent moldability.

REFERENCES:
patent: 5870224 (1999-02-01), Saitoh et al.
patent: 6862139 (2005-03-01), Chang et al.
patent: 2003/0174396 (2003-09-01), Murayama et al.
patent: 2005/0117212 (2005-06-01), Kumagai et al.
patent: 59121033 (1984-07-01), None
patent: 11-167168 (1999-06-01), None

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