H - Electricity – 05 – B
Patent
H - Electricity
05
B
345/50
H05B 33/08 (2006.01) H05B 33/10 (2006.01) H05B 33/12 (2006.01)
Patent
CA 2029028
W. E. 55,540 ABSTRACT OF THE DISCLOSURE A TFEL structure has a multi-layer construction which includes a bottom substrate layer, a lower electrode layer, a middle EL stack, and an upper electrode layer. Forward portions of the EL stack and the lower and upper electrode layers have formed therethrough a series of longitudinal channels and a transverse street connecting the channels and extending along a forward edge of the bottom substrate layer so as to define a plurality of pixels having light-emitting front edges setback from the forward edge of the bottom substrate layer by the width of the street. Rearward portions of the lower and upper electrode layers respectively underlie and overlie a rearward portion of the EL stack but not each other so as to electrically isolate the rearward portions of the lower and upper electrode layers from one another. Also, a bus bar layer overlies the rearward portion of the EL stack and crosses the rearward portion of the upper electrode layer. An insulation layer is interposed between the rearward portions of the bus bar layer and upper electrode layer. Selected portions of the bus bar layer and upper electrode layer are electrically connected together through the insulation layer.
Asars Juris Andrejs
Barrow William Albert
Kun Zoltan Kokai
Laakso Carl Warren
Leksell David
Smart & Biggar
Westinghouse Electric Corporation
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