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

Patent Owner(s)

Patent Owner	Address
YUAN ZE UNIVERSITY	TAOYUAN

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chiu, Tien-Lung	Chung-Li, TW	22	61
Lee, Jiun-Haw	Chung-Li, TW	41	144
Leung, Man-Kit	Chung-Li, TW	28	103
Ting, Pei-Ling	Chung-Li, TW	1	1
Yun, Lik-Ka	Chung-Li, TW	4	3

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Aug 27, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 27, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
February 27, 2018	US,9905780,B2   US9905780B2	GRANTED PATENT AS SECOND PUBLICATION
June 08, 2017	US,20170162794,A1   US20170162794A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9905780

Organic electroluminescent materials containing N-phenylcarboline and organic electroluminescent device by using the same

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