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Ahn Doyeol: Photodetectors. UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION, Hong Won Jin, December 2, 2010: WO/2010/137865 (10 worldwide citation)

Implementations of quantum well photodetectors are provided. In one embodiment, a quantum structure includes a first barrier layer, a well layer located on the first barrier layer, and a second barrier layer located on the well layer. A metal layer is located adjacent to the quantum structure. Embod ...


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Doyeol Ahn: Photodetectors. University of Seoul Industry Cooperation Foundation, Workman Nydegger, February 12, 2013: US08373153 (5 worldwide citation)

Implementations of quantum well photodetectors are provided. In one embodiment, a quantum structure includes a first barrier layer, a well layer located on the first barrier layer, and a second barrier layer located on the well layer. A metal layer is located adjacent to the quantum structure.


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Doyeol Ahn: Polariton mode optical switch with composite structure. University of Seoul Industry Cooperation Foundation, Workman Nydegger, February 5, 2013: US08368990 (4 worldwide citation)

Devices, methods, and techniques for frequency-dependent optical switching are provided. In one embodiment, a device includes a substrate, a first optical-field confining structure located on the substrate, a second optical-field confining structure located on the substrate, and a composite structur ...


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Sang Hyuk Kang: Packet scheduling method for streaming multimedia data. University of Seoul Industry Cooperation Foundation, Bachman & LaPointe P C, October 21, 2008: US07440401 (3 worldwide citation)

The present invention relates, in general, to streaming technology and, more particularly, to a packet scheduling method for streaming multimedia data. The packet scheduling method of the present invention streams multimedia data by a server in a network. The network includes the server for providin ...


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Doyeol Ahn: Polariton mode optical switch with composite structure. University of Seoul Industry Cooperation Foundation, Dorsey & Whitney, March 25, 2014: US08681411 (2 worldwide citation)

Devices, methods, and techniques for frequency-dependent optical switching are provided. In one embodiment, a device includes a substrate, a first optical-field confining structure located on the substrate, a second optical-field confining structure located on the substrate, and a composite structur ...


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Doyeol Ahn: Copper blend I-VII compound semiconductor light-emitting devices. University of Seoul Industry Cooperation Foundation, September 3, 2013: US08524517 (2 worldwide citation)

Implementations and techniques for semiconductor light-emitting devices including one or more copper blend I-VII compound semiconductor material barrier layers are generally disclosed.


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Doyeol Ahn: Compound semiconductors. University of Seoul Industry Cooperation Foundation, Workman Nydegger, March 12, 2013: US08395141 (2 worldwide citation)

Semiconductor emitting devices that offset stresses applied to a quantum well region and reduce internal fields due to spontaneous and piezoelectric polarizations are disclosed. In one embodiment, a semiconductor emitting device includes a quantum well region comprising an active layer that emits li ...


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Doyeol Ahn: Light-electricity conversion device. University of Seoul Industry Cooperation Foundation, Workman Nydegger, February 5, 2013: US08367925 (2 worldwide citation)

Light-electricity conversion devices based on II-VI semiconductor materials are provided. The light-electricity conversion devices are able to cover a wide spectrum range.