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Luminescent device

Assignee: Sharp Corp
•
Filing: 1989-09-01
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Granted: —
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Expires: 2009-09-01
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Abstract

Abstract A compound semiconductor luminescent device comprises a semiconductor substrate (11) and a multi-layered structure disposed on the substrate, the multi-layered structure comprising at least one conductive layer (12), a luminescent layer (13), and a current injection layer (14), wherein the substrate and the layers are made of at least one type of II-VI group compound semiconductor.

Inventors

  • 👤 Masahiko Kitagawa
  • 👤 Yoshitaka Tomomura

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-28 02:38
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/80; H10H20/84; H01; H01S; H01S5/00; H01S5/30; H01S5/32; H01S5/327; H05; H05B; H05B33/00; H05B33/12; H05B33/14; H05B33/145; H10H20/052; H10H20/81; H10H20/822; H10H20/823; H10H20/8232; H10H20/816

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 52 words
A compound semiconductor luminescent device comprising a semiconductor substrate and a multi-layered structure disposed on the substrate, the multi-layered structure comprising at least one conductive layer, a luminescent layer, and a current injection layer, wherein the substrate and the layers are made of at least one type of II-VI group compound semiconductor.
Claim 2
Dependent Claim 52 words
A compound semiconductor luminescent device comprising a semiconductor substrate and a multi-layered structure disposed on the substrate, the multi-layered structure comprising at least one conductive layer, a luminescent layer, and a current injection layer, wherein the substrate and the layers are made of at least one type of II-VI group compound semiconductor.
Claim 3
Dependent Claim 30 words
A compound semiconductor luminescent device according to claim 1, wherein the luminescent layer is formed on the conductive layer and the current injection layer is formed on the luminescent layer.
Claim 4
Dependent Claim 31 words
A compound semiconductor luminescent device according to claim 1, wheren the current injection layer is formed on the conductive layer and the luminescent layer is formed on the current injection layer.
Claim 5
Dependent Claim 21 words
A compound semiconductor luminescent device according to claim 1 or 2, further comprising a protective layer disposed on the multi-layered structure.
Claim 6
Dependent Claim 43 words
A compound semiconductor luminescent device according to any of claims 1 to 4, wherein the II-VI group compound semiconductor is selected from ZnS, ZnSe, ZnS x Se 1-x (0 < x ≦ 1), and ZnS y Te 1-y (0 ≦ y < 1).

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