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Patent Searching and Data


Title:
EL表示素子
Document Type and Number:
Japanese Patent JP4185002
Kind Code:
B2
Abstract:
Provided is an electroluminescent display device having a negligibly small voltage drop of a cathode, no external light reflection, and high contrast and luminance. The electroluminescent display device includes a rear substrate, a first electrode layer formed above the rear substrate, a second electrode layer formed above the first electrode layer, the second electrode layer facing the first electrode layer, a light-emitting layer interposed between the first electrode layer and the second electrode layer, the light-emitting layer having at least an emission layer, a front substrate facing the rear substrate and contacting an upper surface of the second electrode layer, and a functional thin film formed between the second electrode layer and the front substrate, the functional thin film having a conductive material at least in a portion thereof contacting the second electrode layer.

Inventors:
Park Jin Yu
Material
Lee Hiroki
Application Number:
JP2004069811A
Publication Date:
November 19, 2008
Filing Date:
March 11, 2004
Export Citation:
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Assignee:
SAMSUNG SDI Co., LTD.
International Classes:
H05B33/26; H01L27/12; H01L27/32; H01L51/50; H01L51/52; H05B33/14
Domestic Patent References:
JP2002244589A
JP2003332064A
JP2004110044A
JP2003347041A
JP10333601A
Attorney, Agent or Firm:
Mikio Hatta
Yasuo Nara
Etsuko Saito
Katsuyuki Utani
Toshifumi Fujii