Solid state lighting devices utilizing memristors
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United States of America Patent
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Oct 31, 2017
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app pub date -
May 18, 2010
filing date -
May 18, 2010
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Abstract
LED chip circuits, solid state light engines and SSL luminaires are disclosed that utilize memristors to vary LED chip emission. In different embodiments the resistance of said memristor can be varied to vary the drive signal applied to one or more LED chips, thereby varying the LED chip emission intensity. The present invention can be used in much different arrangement to vary LED chip emission, such as changing the drive signals to LED chips that experience changes in emission intensity at different temperatures or that experience emission intensity depreciation over time.
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