Screen, projection system, front projection television...

Details Screen, projection system, front projection television... Screen, projection system, front projection television...

2010-06-01

2011-11-29

Laballe, Clayton E (Department: 2862)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

C359S321000, C359S454000

Reexamination Certificate

active

08067081

ABSTRACT:
A screen includes: a reflection surface which reflects projection light, wherein a plurality of convexes are disposed on the reflection surface, and each of the convexes contains a spherical surface having a ¼ spherical shape, a curved surface having curvature larger than curvature of the spherical surface and disposed along an end of the spherical surface, and a cover surface having a flat surface shape and disposed at an end of the curved surface.

REFERENCES:
patent: 6759113 (2004-07-01), Tang
patent: 7113333 (2006-09-01), Kamijima
patent: 7252923 (2007-08-01), Kobayashi
patent: 7499214 (2009-03-01), Novet et al.
patent: 7695887 (2010-04-01), Kobayashi
patent: 2003-195029 (2003-07-01), None
patent: 2006-215162 (2006-08-01), None
patent: 215162 (2006-08-01), None
Journal of Microelectromechanical Systems, vol. 17, No. 4, Aug. 2008 An Improved Process for Fabricating Microlens Array With High Fill Factor and Controllable Configuration Chingfu Tsou and Chienhung Lin.

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