Electroluminescent device comprising a transparent structured electrode layer made from a conductive polymer
US5986400A · kind A · utility
48Cited by
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2Claims
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Key dates
| Filing date | Jul 11, 1997 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Jul 11, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/114
Abstract
A description is given of an electroluminescent (EL) device (1) composed of polymeric LEDs comprising an active layer (7) of a conjugated polymer and a transparent polymeric electrode layer (5) having electroconductive areas (51) as electrodes. Like the active layer (7), the electrode layer (5) can be manufactured in a simple manner by spin coating. The electrode layer (5) is structured into conductive electrodes (51) by exposure to UV light. The electrodes (9) and (51) jointly form a matrix of LEDs for a display. When a flexible substrate (3) is used, a very bendable EL device is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.