Membranous monolithic EL structure with urethane carrier
US6696786B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2001 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Oct 10, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B33/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A membranous electroluminescent structure with selected layers suspended, prior to deployment, in a carrier comprising (1) a vinyl resin in gel form and (2) a polymeric hexamethylene diisocyanate catalyst. During curing, the catalyst facilitates transformation of the vinyl resin carrier into a urethane. Once cured, the transformed urethane carrier compound enables electroluminescent layers to bond in a monolithic structure also comprising other contiguous urethane layers, such as envelope layers. As a result, membranous electroluminescent structures made in accordance with the present invention are even more rugged than their predecessors. A high degree of crosslinking also becomes available between neighboring urethane layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.