Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
William Dunn0
Date of Patent
March 24, 2015
0Patent Application Number
129541340
Date Filed
November 24, 2010
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An LED assembly containing separately-controllable regions of LEDs with temperature sensing devices placed to measure the temperature within each region of LEDs. When the temperature difference between two regions becomes higher than an acceptable maximum, the system may adjust the power to one or more LED regions to maintain luminance uniformity. The regions can be arranged vertically or horizontally or both. A software processor may be used to interpret the data from the temperature sensing devices and control the power sent to the various LED regions. Embodiments can be used at least in LED backlights for LCD displays or for LED displays.
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