Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – Active layer of indirect band gap semiconductor
Reexamination Certificate
2007-02-27
2009-11-24
Mandala, Victor A (Department: 2826)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
Active layer of indirect band gap semiconductor
C257S079000, C257S086000, C257S102000, C257S103000, C257SE33013
Reexamination Certificate
active
07622744
ABSTRACT:
The present invention provides a light emitting material having high electric conductivity, and further a light emitting element which can be driven at low voltage. Light emitting devices and electronic devices with reduced power consumption can also be provided. A light emitting element including a light emitting material is provided in which a first electrode101, a first insulating layer102, a light emitting layer103, a second insulating layer104and a second electrode105are provided over a first electrode101, the light emitting layer103includes an inorganic compound that is any of a sulfide, a nitride and an oxide as a base material; at least one element selected from the group consisting of copper, silver, aluminum, fluorine and chlorine, as a luminescent center material; manganese; and either gallium phosphide or gallium antimonide.
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Noboru Miura et al.; “High-Luminance Blue-Emitting BaA12S4:Eu Thin-Film Electroluminescent Devices”;Jpn. J. Appl. Phys. vol. 38, Part 2, No. 11B; pp. L1291-L1292; Nov. 15, 1999.
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Aoyama Tomoya
Kawakami Takahiro
Sakata Junichiro
Yamamoto Yoshiaki
Fish & Richardson P.C.
Mandala Victor A
Semiconductor Energy Laboratory Co,. Ltd.
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