US Patent 7540643 Backlight modules

Patent 7540643 was granted and assigned to AU Optronics on June, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

AU Optronics

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7540643

Date of Patent

June 2, 2009

Patent Application Number

11146753

Date Filed

June 7, 2005

Patent Primary Examiner

‌

I Briggitte Hammond

Patent abstract

A backlight module for a display panel of a display device is provided. The backlight module comprises a light-emitting unit and a control unit. The light-emitting unit provides light to the display panel. When the display panel displays images in a first mode, the control unit drives the light-emitting unit to emit light of a first total brightness. When the display panel displays images in a second mode, the control unit drives the light-emitting unit to emit light of a second total brightness.

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