Backplane technology for OLED display, Oxide semiconductor

Impurity physics using OMEN 3-D• Development of Schroedinger-Poisson solver • Explore electronic characteristics of high Phosphorus doped 1D/2D devicesDevelopment of one dimensional HEMT device modeling tool• Use OMEN 3-D for generating single orbital HamiltonianDevelopment of OMEN 3-D, the nanowire simulator• End-to-end development of Nanoelectronic simulator with 3 dimensional spatial domain decomposition scheme• Performance benchmark and code optimizationDevelopment and Optimization of NEMO 3-D• Code optimization using Streaming SIMD Extention(SSE) instruction sets• Implementation of block Lanczos solvers for large scale simulations• Modification of the matrix-vector and matrix-matrix multiplication routines to reduce the MPI communication overhead

Software engineer for developing embedded network terminals, such as, cable modems, VoIP terminals and set-top boxes.

• Developing OpenCable ™ HD Settop Box for Time Warner Cable 2005~2006▪ Commercialized OpenCable™ Settop Box for the first time in the world▪ Implementing bi-directional module, CableCard, interface which enables interactive capability for purchasing/PPV/VoD services• Developed Hybrid HD Settop Box 2004~2005▪ Integrated Voice/Data/Broadcasting/Wireless convergent settop box▪ Ported SIP module from pSOS to Embedded LINUX• Developed PacketCable™ 1.0 compliant MGCP EMTA 2002~2004▪ Worked with C/C++/Assembler with MIPS core & VxWorks▪ Developed VoIP under MGCP/SIP protocols with coexisting PSTN switch capability▪ Developed a model of ensuring Voice QoS using DOCSIS™ 1.1 Service Flow feature in Cable Network▪ First Launch in Indonesia’s VoIP market & #1 market share in Japan for MGCP terminals• Technical Consulting and proposals to Service Operators 2002~2003▪ Introduced VoIP QoS model in Cable Networks to Indonesian and Japanese Service Providers• Developed DOCSIS™ 1.0/1.1/2.0 cable modem 2001~2003▪ Worked with C/Assembler with ARM7 core & VxWorks (DOCSIS1.0/1.1 CM)▪ Worked with C/ Assembler with MIPS core & VxWorks (DOCSIS2.0 CM)▪ RF tuner drivers, Enhancing QoS at MAC level, DHCP implementation▪ Helped to acquire CableLabs™ certification & #1 market share in Japan Patents• Domestic▪ Method for assuring VoIP call bandwidth for cable network (2020030036131)▪ Method for supporting SIP simultaneously on PacketCable™ MGCP based EMTA (2020040083322)▪ Program searching & video recording functionality for digital set top box using IrDA devices (2020050038153)• U.S.▪ Program searching & video recording functionality for digital set top box using IrDA devices (filed. Samsung registration No. GD-200503-003-1-US0)