EP 2130408 A1 20091209 - ELECTROLUMINESCENT LAYERED ELEMENT
Title (en)
ELECTROLUMINESCENT LAYERED ELEMENT
Title (de)
ELEKTROLUMINESZIERENDES SCHICHTELEMENT
Title (fr)
ÉLÉMENT STRATIFIÉ ÉLECTROLUMINESCENT
Publication
Application
Priority
- EP 2008002616 W 20080402
- DE 102007016401 A 20070403
Abstract (en)
[origin: WO2008119554A1] The invention relates to an electroluminescent layered element (1) comprising at least one light-permeable substrate (2); a light-permeable surface electrode (3) applied to the substrate (3); a first layer (5) comprising inorganic electroluminescent particles (6) incorporated into an organic binding material, the organic binding material of the first layer (5) having at least approximately identical refractive properties to those of the light-permeable substrate (2); and a rear electrode (9), the transparent surface electrode (3) and the rear electrode (9) being provided to supply the voltage and to produce an electrical field which excites the particles (6) incorporated into the first layer (5) in such a way as to emit light. The aim of the invention is to provide a mechanically stable and permanently durable layered element (1) having very good optical properties, especially avoiding total reflection inside the first layer (5). To this end, the binding material is based on polyvinyl butyral (PVB) or ethylene vinyl acetate (EVA).
IPC 8 full level
H05B 33/14 (2006.01); C09K 11/02 (2006.01); C09K 11/57 (2006.01); C09K 11/58 (2006.01); C09K 11/84 (2006.01)
CPC (source: EP)
C09K 11/02 (2013.01); C09K 11/574 (2013.01); C09K 11/584 (2013.01); C09K 11/7745 (2013.01); H05B 33/14 (2013.01)
Citation (search report)
See references of WO 2008119554A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102007016401 A1 20081009; DE 202007019199 U1 20110210; EP 2130408 A1 20091209; WO 2008119554 A1 20081009
DOCDB simple family (application)
DE 102007016401 A 20070403; DE 202007019199 U 20070403; EP 08734962 A 20080402; EP 2008002616 W 20080402