Jeong-yub Lee's research while affiliated with Samsung and other places
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Publications (6)
A graphene device may include a channel layer including graphene, a first electrode and second electrode on a first region and second region of the channel layer, respectively, and a capping layer covering the channel layer and the first and second electrodes. A region of the channel layer between the first and second electrodes is exposed by an op...
A method for forming a selective ohmic contact for a Group III-nitride heterojunction structured device may include forming a conductive layer and a capping layer on an epitaxial substrate including at least one Group III-nitride heterojunction layer and having a defined ohmic contact region, the capping layer being formed on the conductive layer o...
A varifocal lens structure, a method of manufacturing the varifocal lens structure, an optical lens module, and a method of manufacturing the optical lens module. The varifocal lens structure includes a liquid lens unit including a silicone membrane that includes a first silicone elastomer, a polymer actuator disposed on an upper surface of the sil...
A varifocal lens structure and a method of manufacturing the same, the varifocal lens structure including: a frame having a fluid chamber filled with an optical fluid and formed of polymethylsiloxane (PDMS) containing a predetermined fluid; a transparent cover disposed on a top surface of the frame so as to cover the fluid chamber; a transparent el...
A fluidic lens and method for manufacturing the same are provided. The fluidic lens includes a transparent optical fluid and a double elastomer membrane. An outer membrane of the double elastomer membrane that is externally exposed includes a Poly DiMethyl Siloxane (PDMS) elastomer, and an inner membrane of the double elastomer membrane that makes...
Microfluidic design and fabrication was developed for wafer-scale varifocal liquid lens which is slim less than 0.9mm. The liquid-filled varifocal lens has advanced functions such as auto macro and focusing to obtain a high quality of image. This varifocal lens is similar to human eye and it consists of main Si frame which has penetrated inner hole...
