Illumination – Light modifier – Refractor
Reexamination Certificate
2006-06-09
2009-11-17
Ton, Anabel (Department: 2885)
Illumination
Light modifier
Refractor
C362S620000, C359S831000, C359S837000
Reexamination Certificate
active
07618164
ABSTRACT:
An optical substrate having a structured surface that enhances brightness and reduces moiré effect. The optical substrate has a three-dimensionally varying, structured light output surface that comprises an irregular prismatic structure. The irregular prismatic structure may be viewed as comprising longitudinal prism blocks or rows thereof, arranged laterally defining peaks and valleys. Adjacent peaks, adjacent valleys, and/or adjacent peak and valley may be parallel or non-parallel, in an orderly, semi-orderly, random, or quasi-random manner. The lateral adjacent peaks, adjacent valleys, and/or adjacent peak and valley are not parallel. The adjacent irregular prism blocks may be irregular longitudinal sections having the same length, or random or quasi-random irregular sections having different lengths. The facets of each prism block may be flat, or curved (convexly and/or concavely).
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Ko Daniel Yaw-Chung
Lin Craig
Wang Kong-Hua
Liu & Liu
Spinella Kevin J.
Ton Anabel
Ubright Optronics Corporation
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