Light control devices and methods of making same

Details Light control devices and methods of making same Light control devices and methods of making same

2008-09-23

2008-09-23

Wood, Kevin S. (Department: 2874)

Optical waveguides

Noncyclindrical or nonplanar shaped waveguide

C385S036000, C359S641000

Reexamination Certificate

active

10688785

ABSTRACT:
A light control device is disclosed that includes a two film construction, each film having a plurality of light reflecting regions. For example, the light absorbing elements can be a series of grooves or column-like indentations in the films that are filled or coated with a light reflecting material having a lower index of refraction than that of the films. The two films can be adjacently disposed so that their respective light reflecting regions form a plurality of light reflecting elements that extend along the thickness direction of the device.

REFERENCES:
patent: 5452385 (1995-09-01), Izumi et al.
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patent: 6147725 (2000-11-01), Yuuki et al.
patent: 6220058 (2001-04-01), Koyama et al.
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patent: 6766076 (2004-07-01), Hikichi et al.
patent: 2002/0127565 (2002-09-01), Cunningham et al.
patent: 2002/0180909 (2002-12-01), Lubart et al.

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