Optical waveguides – Noncyclindrical or nonplanar shaped waveguide
Reexamination Certificate
2007-05-22
2007-05-22
Nguyen, Sang H. (Department: 2877)
Optical waveguides
Noncyclindrical or nonplanar shaped waveguide
C385S033000, C385S901000, C359S619000, C362S035000
Reexamination Certificate
active
10910428
ABSTRACT:
An optical element, such as a lightguide or an optical film, is formed with a predetermined, programmed pattern of optical structures. The optical structures may be arranged to selectively correct for non-uniformities in the output a lightguide, or may be arranged to otherwise enhance the performance of a display.
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Cobb Sanford
Epstein Kenneth A.
Gardiner Mark E.
Kretman Wade D.
3M Innovative Properties Company
Buckingham Stephen W.
Nguyen Sang H.
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