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P‐69: Study on Improvement of Luminous Efficacy in Pulse Driven LED
Author(s) -
Arai Takahiro,
Nakaya Yuta,
Fukai Yuki,
Igarashi Takuya,
Sano Yuji
Publication year - 2012
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/j.2168-0159.2012.tb06045.x
Subject(s) - luminous efficacy , luminous flux , light emitting diode , materials science , luminous intensity , optoelectronics , pulse (music) , capacitance , power consumption , power (physics) , optics , physics , nanotechnology , detector , light source , electrode , layer (electronics) , quantum mechanics
Luminous efficacy of pulse driven LED in beginning of light emission was improved by reducing discharge of diffusion capacitance in the LED. The luminous efficacy was improved to 360 ∼ 421% in RGBW color LEDs respectively with increased emission and reduced power consumption.