Lens curvature variation apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12007551
APP PUB NO 20220252859A1
SERIAL NO

17626023

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A lens curvature variation apparatus according to an embodiment includes: a liquid lens including a common electrode and a plurality of individual electrodes; a lens driver applying a voltage to the common electrode and the plurality of individual electrodes; a plurality of switching elements connected to each of the plurality of individual electrodes; a plurality of sensor units connected to each of the plurality of switching elements, and sensing an interface of the liquid lens that changes based on the voltage; a multiplexer (MUX) connected to the plurality of sensor units, and sequentially outputs an analog signal corresponding to the interface output from each of the plurality of sensor units; an AD converter that converts the analog signal sequentially output from the MUX into a digital signal to output; and a control unit controlling the lens driver based on the signal output from the AD converter.

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Patent Owner(s)

Patent OwnerAddress
CORNING INCORPORATEDSP-TI-3-1 CORNING NY 14831
LG INNOTEK CO LTDSEOUL SOUTH KEREAN SEOUL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jung, Sung Ki Seoul, KR 21 50
Moon, Young Seop Seoul, KR 39 88

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