Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...
Reexamination Certificate
2004-03-23
2008-12-16
Louie, Wai-Sing (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
With reflector, opaque mask, or optical element integral...
C257S099000, C257S436000, C257S460000, C257SE33067
Reexamination Certificate
active
07465961
ABSTRACT:
An electronic equipment includes a light source, in which light of the light source is guided and emitted from an operation member having translucent properties via an optical waveguide, wherein a phosphor emitting visible light by being excited by the light from the light source is contained in a path through which the light of the light source is guided. A backlight structure in which a light source is provided in a printed substrate that is inside a casing having a waveguide plate, and light of the light source is transmitted through the waveguide plate and emitted, wherein a wavelength-converting phosphor that emits light by being excited by the light of the light source is provided in a waveguide path leading to a point where the light of the light source is transmitted through the waveguide plate and is emitted out, except the light source and the printed substrate.
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Physical of Semiconductor Device by S.M. Sze, second edition (p. 683 fig. 1).
Katoh Masaaki
Masuda Masatsugu
Birch & Stewart Kolasch & Birch, LLP
Louie Wai-Sing
Sharp Kabushiki Kaisha
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