Hao Chung KuoSummaryAffiliation: National Chiao Tung University Country: Taiwan Publications
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Publications
Patterned structure of remote phosphor for phosphor-converted white LEDsHao Chung Kuo
Department of Photonics and Institute of Electro Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan, China
Opt Express 19:A930-6. 2011..The design was verified both experimentally and theoretically...
A novel randomly textured phosphor structure for highly efficient white light-emitting diodesHsin Chu Chen
Department of Photonics and Institute of Electro Optical Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, 300, Taiwan
Nanoscale Res Lett 7:188. 2012..Furthermore, the textured phosphor structure has a larger view angle at the full width at half maximum (87°) than the reference LEDs...
Improvement in uniformity of emission by ZrO₂ nano-particles for white LEDsHsin Chu Chen
Department of Photonics and Institute of Electro Optical Engineering, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu 300, Taiwan
Nanotechnology 23:265201. 2012..Consequently, the ZrO₂ nano-particles in a remote phosphor structure could not only improve the uniformity of lighting but also increase the light output...
Highly efficient CdS-quantum-dot-sensitized GaAs solar cellsChien Chung Lin
Institute of Photonic System, College of Photonics, National Chiao Tung University, No 301, Gaofa 3rd Rd, Guiren Dist, Tainan City 71150, Taiwan
Opt Express 20:A319-26. 2012..9% compared to traditional GaAs-based device. A more detailed study showed an increase of surface photoconductivity due to UV presence, and the fill factor of the solar cell can be improved accordingly...
Nano-patterned glass superstrates with different aspect ratios for enhanced light harvesting in a-Si:H thin film solar cellsTing Gang Chen
Department of Photonics and Institute of Electro Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
Opt Express 20:A412-7. 2012..6% and 8%, respectively, were achieved for a moderate aspect ratio of 0.16. The measured external quantum efficiencies (EQE) spectra confirmed a broadband enhancement due to antireflection and light trapping properties...
High efficiency GaN-based light-emitting diodes with embedded air voids/SiO2 nanomasksChing Hsueh Chiu
Department of Photonics and Institute of Electro Optical Engineering, National Chiao Tung University, Hsinchu, Taiwan, Republic of China
Nanotechnology 23:045303. 2012..The LEDs with embedded microscale air voids and an SiO(2) nanomask exhibit smaller reverse-bias current and large enhancement of the light output (65% at 20 mA) compared with conventional LEDs...
Efficiency enhancement InGaP/GaAs dual-junction solar cell with subwavelength antireflection nanorod arraysMin An Tsai
Department of Photonics, Institute of Electro Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan, ROC
J Nanosci Nanotechnol 11:10729-32. 2011..Surface nanorod arrays served not only as broad-band omnidirectional antireflection layers but also scattering sources. The structure can be further optimized to obtain the maximum conversion efficiency...
Lasing action in gallium nitride quasicrystal nanorod arraysShih Pang Chang
Department of Photonics, National Chiao Tung University, 1001 Ta Hsueh Rd Hsinchu 300, Taiwan
Opt Express 20:12457-62. 2012..The lasing was identified to be from the emission of MQWs on the nanorod sidewalls. The resonant spectrum and mode field of the 12-fold symmetric photonic quasicrystal nanorod arrays is discussed...
Enhanced efficiency for c-Si solar cell with nanopillar array via quantum dots layersHsin Chu Chen
Department of Photonic and Institute of Electro Optical Engineering, National Chiao Tung University, Hsinchu, Taiwan
Opt Express 19:A1141-7. 2011..It is noteworthy that the enhancement of efficiency could be attributed to the photon down-conversion, the antireflection, and the improved electrical property...
