EP 0172985 B1 19891227 - ELECTROLUMINESCENT LAMP
Title (en)
ELECTROLUMINESCENT LAMP
Publication
Application
Priority
US 64427384 A 19840827
Abstract (en)
[origin: EP0172985A2] An electroluminescent apparatus comprises a substrat (12); a first conductor (14) fixed to the substrate (12) in a preselected pattern to form a first electrode; a luminescent coating (16) covering a first portion (18) of the first conductor (14) while leaving a second portion (20) of the first conductor uncovered; and a pair of second conductors (22, 24) situated adjacent to, but separated from, each other on the substrate (12), wherein one (22) of the pair of second conductors (22 and 24) contacts a selected one of the group consisting of the luminescent coating (16) and the first conductor (14), and wherein the other (24) of the pair of second conductors (22, 24) contacts the unselected one of said group. A method of forming the electroluminescent device is also described.
IPC 1-7
IPC 8 full level
H05B 33/12 (2006.01); H05B 33/26 (2006.01)
CPC (source: EP)
H05B 33/12 (2013.01); H05B 33/26 (2013.01)
Citation (examination)
- US 3110837 A 19631112 - WOLLENTIN ROBERT W
- US 3205393 A 19650907 - HUBERT MASH DEREK
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0172985 A2 19860305; EP 0172985 A3 19861001; EP 0172985 B1 19891227; AT E49098 T1 19900115; DE 3575066 D1 19900201
DOCDB simple family (application)
EP 85103636 A 19850327; AT 85103636 T 19850327; DE 3575066 T 19850327