US Patent 7777945 HDR displays having light estimating controllers

Patent 7777945 was granted and assigned to Dolby Laboratories on August, 2010 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Dolby Laboratories

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7777945

Date of Patent

August 17, 2010

Patent Application Number

11831864

Date Filed

July 31, 2007

Patent Citations Received

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US Patent 11889233 Thermal compensation in image projection

Patent Primary Examiner

‌

Christopher Mahoney

Patent abstract

A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. The screen is illuminated with light from a light source comprising an array of controllable light-emitters. The controllable-emitters and elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.