JP2008135406A5 - - Google Patents

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Publication number
JP2008135406A5
JP2008135406A5 JP2008054944A JP2008054944A JP2008135406A5 JP 2008135406 A5 JP2008135406 A5 JP 2008135406A5 JP 2008054944 A JP2008054944 A JP 2008054944A JP 2008054944 A JP2008054944 A JP 2008054944A JP 2008135406 A5 JP2008135406 A5 JP 2008135406A5
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JP
Japan
Prior art keywords
layer
conductive material
emitting device
organic light
thickness
Prior art date
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Granted
Application number
JP2008054944A
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English (en)
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JP2008135406A (ja
JP4315996B2 (ja
Filing date
Publication date
Priority claimed from GBGB9618475.9A external-priority patent/GB9618475D0/en
Priority claimed from GBGB9618473.4A external-priority patent/GB9618473D0/en
Priority claimed from GBGB9618474.2A external-priority patent/GB9618474D0/en
Application filed filed Critical
Publication of JP2008135406A publication Critical patent/JP2008135406A/ja
Publication of JP2008135406A5 publication Critical patent/JP2008135406A5/ja
Application granted granted Critical
Publication of JP4315996B2 publication Critical patent/JP4315996B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (4)

  1. デバイスのアノードとカソードとの間に配置された少なくとも1つの発光性有機材料層を備え、
    前記カソードは、不透明金属層である導電性材料の第一層と、少なくとも1つの有機材料層と前記導電性材料の第一層との間に配置された低い仕事関数を有する導電性材料の第二層とからなり、
    前記導電性材料の第二層は、前記導電性材料の第一層よりも実質的に薄い最高で5nmの厚さを有し、かつBa、Baの合金もしくはBaの金属間化合物からなることを特徴とする有機発光デバイス。
  2. 請求項1記載の有機発光デバイスにおいて、前記導電性材料の第二層が0.5〜2nmの範囲の厚さを有することを特徴とする有機発光デバイス。
  3. 請求項1または2記載の有機発光デバイスにおいて、前記導電性材料の第一層と前記導電性材料の第二層との厚さの比が少なくとも20:1であることを特徴とする有機発光デバイス。
  4. 請求項1〜3のいずれか1項に記載の有機発光デバイスにおいて、前記導電性材料の第一層がAlまたはAl合金からなることを特徴とする有機発光デバイス。
JP2008054944A 1996-09-04 2008-03-05 有機発光デバイス及びその製造方法 Expired - Lifetime JP4315996B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9618475.9A GB9618475D0 (en) 1996-09-04 1996-09-04 Electrode deposition for organic light-emitting devices
GBGB9618473.4A GB9618473D0 (en) 1996-09-04 1996-09-04 Organic light-emitting devices with improved anode
GBGB9618474.2A GB9618474D0 (en) 1996-09-04 1996-09-04 Organic light-emitting devices with improved cathode

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2005076054A Division JP4213130B2 (ja) 1996-09-04 2005-03-16 有機発光デバイス

Publications (3)

Publication Number Publication Date
JP2008135406A JP2008135406A (ja) 2008-06-12
JP2008135406A5 true JP2008135406A5 (ja) 2008-08-07
JP4315996B2 JP4315996B2 (ja) 2009-08-19

Family

ID=27268458

Family Applications (3)

Application Number Title Priority Date Filing Date
JP51235798A Expired - Lifetime JP3786969B2 (ja) 1996-09-04 1997-09-04 改良されたカソードを備える有機発光デバイス
JP2005076054A Expired - Lifetime JP4213130B2 (ja) 1996-09-04 2005-03-16 有機発光デバイス
JP2008054944A Expired - Lifetime JP4315996B2 (ja) 1996-09-04 2008-03-05 有機発光デバイス及びその製造方法

Family Applications Before (2)

Application Number Title Priority Date Filing Date
JP51235798A Expired - Lifetime JP3786969B2 (ja) 1996-09-04 1997-09-04 改良されたカソードを備える有機発光デバイス
JP2005076054A Expired - Lifetime JP4213130B2 (ja) 1996-09-04 2005-03-16 有機発光デバイス

Country Status (7)

Country Link
US (1) US6255774B1 (ja)
EP (1) EP0925709B1 (ja)
JP (3) JP3786969B2 (ja)
CN (1) CN1108730C (ja)
AT (1) ATE247372T1 (ja)
DE (1) DE69724129T2 (ja)
WO (1) WO1998010621A1 (ja)

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