Patent EP0022486A1 successfully refreshed from Google Patents.
EP0022486A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Electroluminescent semiconductor device and process for its production
Assignee: Licentia Patent Verwaltungs GmbH
•
Filing: 1980-06-21
•
Granted: —
•
Expires: 2000-06-21
Abstract
Abstract An electroluminescent arrangement in which a plurality of very small-area electroluminescent contacts are operated electrically in parallel. Because of the extremely good heat removal in very small contacts, the arrangements can be operated at relatively high power densities without thermal effects. <IMAGE>
Inventors
- 👤 Reinhard Dr. Dahlberg
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 07:59
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/80; H10H20/83; H10H20/832; H10H20/833; H10H29/00; H10H29/10; H10H29/14; H10H29/142
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3309553A
Cited
DE1514727A1
Cited
DE1957390B2
Cited
GB1350803A
Cited
US3930912A
Cited
US4039890A
Cited
DE2716205A1
Cited
JPS5493388A
Cited
DE2837394A1
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.