JPH0487187A - Organic electroluminescence element - Google Patents

Organic electroluminescence element

Info

Publication number
JPH0487187A
JPH0487187A JP19786890A JP19786890A JPH0487187A JP H0487187 A JPH0487187 A JP H0487187A JP 19786890 A JP19786890 A JP 19786890A JP 19786890 A JP19786890 A JP 19786890A JP H0487187 A JPH0487187 A JP H0487187A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
light emission
emission layers
thickness
film electrode
transparent conductive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19786890A
Inventor
Yasushi Kawada
Yasushi Mori
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Abstract

PURPOSE: To accomplish an organic EL element having a long lifetime by specifying the flatness of that surface of a transparent conductive film electrode which contacts light emission layers.
CONSTITUTION: A transparent conductive film electrode 2, light emission layers 3, 4, and metal film electrode 5 are formed one over another upon a transparent base plate 1, wherein the flatness of that surface of the transparent conductive film electrode 2 which contacts the light emission layers 3, 4 shall range between 1/10 thru 1/100 of the film thickness of light emission layers 3, 4. The thickness of the light emission layers signifies the thickness of the layer of organic compound which intervenes in the emission of the light. In case a positive hole transport layer 3 and an electron transport layer 4 are laminated, it applies to the total thickness of the two. Thereby an organic EL element is accomplished, which is provided with a long lifetime.
COPYRIGHT: (C)1992,JPO&Japio
JP19786890A 1990-07-27 1990-07-27 Organic electroluminescence element Pending JPH0487187A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19786890A JPH0487187A (en) 1990-07-27 1990-07-27 Organic electroluminescence element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19786890A JPH0487187A (en) 1990-07-27 1990-07-27 Organic electroluminescence element

Publications (1)

Publication Number Publication Date
JPH0487187A true true JPH0487187A (en) 1992-03-19

Family

ID=16381668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19786890A Pending JPH0487187A (en) 1990-07-27 1990-07-27 Organic electroluminescence element

Country Status (1)

Country Link
JP (1) JPH0487187A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6188176B1 (en) 1997-07-15 2001-02-13 Tdk Corporation Organic electroluminescent device and preparation method with ITO electrode (111) orientation
US6280861B1 (en) 1996-05-29 2001-08-28 Idemitsu Kosan Co., Ltd. Organic EL device
JP2002289344A (en) * 2001-03-26 2002-10-04 Semiconductor Energy Lab Co Ltd Light-emitting device and its preparation method
JP2002352956A (en) * 2001-03-23 2002-12-06 Mitsubishi Chemicals Corp Thin-film light emitting substance and manufacturing method therefor
US7423293B2 (en) 2001-02-19 2008-09-09 Semiconductor Energy Laboratory Co., Ltd. Light emitting device
US7485478B2 (en) 2001-02-19 2009-02-03 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and method of manufacturing the same
US7902740B2 (en) 2001-03-19 2011-03-08 Semiconductor Energy Laboratory Co., Ltd. Light emitting apparatus

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6280861B1 (en) 1996-05-29 2001-08-28 Idemitsu Kosan Co., Ltd. Organic EL device
US6188176B1 (en) 1997-07-15 2001-02-13 Tdk Corporation Organic electroluminescent device and preparation method with ITO electrode (111) orientation
US8679875B2 (en) 2001-02-19 2014-03-25 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and method of manufacturing the same
US9502679B2 (en) 2001-02-19 2016-11-22 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and method of manufacturing the same
US7423293B2 (en) 2001-02-19 2008-09-09 Semiconductor Energy Laboratory Co., Ltd. Light emitting device
US7485478B2 (en) 2001-02-19 2009-02-03 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and method of manufacturing the same
US7825419B2 (en) 2001-02-19 2010-11-02 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and method of manufacturing the same
US8866184B2 (en) 2001-02-19 2014-10-21 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and method of manufacturing the same
US9768405B2 (en) 2001-02-19 2017-09-19 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and method of manufacturing the same
US8497525B2 (en) 2001-02-19 2013-07-30 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and method of manufacturing the same
US9954196B2 (en) 2001-02-19 2018-04-24 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and method of manufacturing the same
US8651911B2 (en) 2001-03-19 2014-02-18 Semiconductor Energy Laboratory Co., Ltd. Light emitting apparatus and method of manufacturing the same
US7902740B2 (en) 2001-03-19 2011-03-08 Semiconductor Energy Laboratory Co., Ltd. Light emitting apparatus
JP2002352956A (en) * 2001-03-23 2002-12-06 Mitsubishi Chemicals Corp Thin-film light emitting substance and manufacturing method therefor
JP4592989B2 (en) * 2001-03-26 2010-12-08 株式会社半導体エネルギー研究所 The method for manufacturing a light emitting device
JP2002289344A (en) * 2001-03-26 2002-10-04 Semiconductor Energy Lab Co Ltd Light-emitting device and its preparation method

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