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Country	kind	publication No.	Filing Date	Type	Sub-Type
JP	B2	JP4578131	Mar 25, 2004	Patent	Grant
Type : Patent Sub-Type : Grant
PUBLISHED GRANTED PATENT (SECOND LEVEL)		COMPOUND FOR LIGHT-EMITTING ELEMENT AND ORGANIC LIGHT-EMITTING ELEMENT BY USING THE SAME		Nov 10, 2010

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
SANYO ELECTRIC CO LTD	JAPAN OSAKA

International Classification(s)

• H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Saito, Kaori	Moriguchi, JP	6	54
# of filed Patents : 6 Total Citations : 54

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Patent Citation Ranking

• 2 Citation Count
• H01L Class

• 2.46 % this patent is cited more than
• 18 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 11, 2007	US,7267891,B2   US7267891B2	GRANTED PATENT AS SECOND PUBLICATION
April 07, 2005	US,20050072970,A1   US20050072970A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7267891

Compound for light emitting device and organic light emitting device using the same

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Abstract

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An organic EL device according to the present invention has a layered structure in which a hole injection electrode (anode), a hole injection layer, a hole transport layer, a light emitting layer, a hole blocking layer, an electron injection layer, and an electron injection electrode (cathode) are layered in this order on a substrate. The light emitting layer is composed of a host material and an emitting dopant. A compound for light emitting device which is an organic material is employed for the emitting material. The compound for light emitting device is a metal complex employing a ligand having a substituent containing boron.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2019
• FPAY2015
• FEPP2014
• FPAY2011
• FEPP2007
• I2007
• STCF2007
• P2005
• AS2004
• AS2004
• F2004
• PD2003

Date	Code	Event	Description
Mar 05, 2019	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12
Feb 25, 2015	FPAY	FEE PAYMENT	year of fee payment: 8
Dec 01, 2014	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Feb 10, 2011	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 03, 2007	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Sep 11, 2007	I	Issuance
Aug 22, 2007	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Apr 07, 2005	P	Published
Nov 30, 2004	AS	ASSIGNMENT	free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ADDRESS OF THE ASSIGNEE PREVIOUSLY RECORDED ON REEL 016076 FRAME 0326;ASSIGNOR:SAITO, KAORI;REEL/FRAME:018368/0155 Owner name: SANYO ELECTRIC CO., LTD, JAPAN Effective Date: Nov 30, 2004
Nov 30, 2004	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SAITO, KAORI;REEL/FRAME:016076/0326 Owner name: SANYO ELECTRIC CO., LTD., JAPAN Effective Date: Nov 30, 2004
Mar 31, 2004	F	Filing
Mar 31, 2003	PD	Priority Date