Optical: systems and elements – Lens – Fluid
Reexamination Certificate
2007-03-05
2009-06-09
Choi, William C (Department: 2873)
Optical: systems and elements
Lens
Fluid
C359S666000
Reexamination Certificate
active
07545574
ABSTRACT:
A liquid lens for adjusting a focal length by electro-wetting. A body houses a non-conductive fluid and a conductive fluid therein. A cover is capped on the body. A first adhesive bonds the body to the cover, the first adhesive curing rapidly. Also, a second adhesive bonds an outer periphery of the body to an outer periphery of the cover. The glass cover and the body are bonded across a large area by two types of adhesives with different compositions. This allows the lens manufactured to greatly withstand temperature and heat impact and stay durable in a high-temperature humid environment, thereby significantly elevating a quality of the final product.
REFERENCES:
patent: 2004/0227838 (2004-11-01), Atarashi et al.
patent: 2009/0021842 (2009-01-01), Berge et al.
patent: 2 887 637 (2006-12-01), None
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KIPO Notice of Office Action issued in corresponding Korean Patent Application No. 10-2006-0036901 mailed on Apr. 20, 2007.
Extended European Search Report issued in corresponding European Patent Application No. 07250914.4, on Jul. 23, 2007.
Kim Sun Ok
Oh Byung Do
Park Young Kyu
Choi William C
Samsung Electro-Mechanics Co. Ltd.
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