Title :
Directional light extraction from photonic crystal thin-film GaN light-emitting diodes
Author :
Chao, Chia-Hsin ; Lai, Chun-Feng ; Kuo, Hao-Chung ; Yeh, Wen-Yung
Author_Institution :
Electron. & Opto-Electron. Res. Labs., Ind. Technol. Res. Inst., Hsinchu, Taiwan
Abstract :
The light enhancement of PhC LEDs within the collection cone angle was obtained according to measured far-field patterns. In a plusmn20deg collection cone, the collimated PhC LED was enhanced up to ~2.4.
Keywords :
III-V semiconductors; gallium compounds; light emitting diodes; photonic crystals; wide band gap semiconductors; GaN; directional light extraction; light emitting diodes; light enhancement; photonic crystal; thin film GaN; Diffraction; Displays; Gallium nitride; Lattices; Light emitting diodes; Optical collimators; Photonic crystals; Power generation; Refractive index; Transistors; GaN; light-emitting diode; photonic crystal;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292292
