Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With heterojunction
Patent
1994-05-27
1996-06-18
Mintel, William
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
With heterojunction
257 98, 257 97, 372 99, 372 50, H01L 3300
Patent
active
055280579
ABSTRACT:
A luminous element with a high luminous efficiency comprising means for condensing light towards an exit window of the element. Specifically, the luminous element condenses light generated at the luminous area of the luminous element by an optically reflective surface having oblique concentric surface portions.
REFERENCES:
patent: 5132750 (1992-07-01), Kato et al.
patent: 5162878 (1992-11-01), Sasagawa et al.
patent: 5351256 (1994-09-01), Schneider et al.
patent: 5414281 (1995-05-01), Watabe et al.
Imamaka Koichi
Watanabe Hideaki
Yanagase Masashi
Mintel William
Omron Corporation
Tran Minhloan
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