US Patent 7616368 Light concentrating reflective display methods and apparatus

Patent 7616368 was granted and assigned to Pixtronix on November, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Pixtronix

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

76163680

Patent Inventor Names

Nesbitt W. Hagood, IV0

Date of Patent

November 10, 2009

Patent Application Number

113624220

Date Filed

February 23, 2006

Patent Primary Examiner

‌

Evelyn A. Lester

Patent abstract

Improved apparatus and methods for displays are disclosed that utilize light concentration array between mechanical light modulators and the viewing surface of the display. The light concentration array includes an array of optical elements that concentrate light on respective ones of the light modulators to maximize the contrast ratio and off axis viewing of the display.