Organic light emitting element, composition and membrane

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11937495
APP PUB NO 20210202851A1
SERIAL NO

17270158

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An organic light-emitting device containing both a compound represented by the following general formula (1) and a compound represented by the following general formula (2) has a high light emission efficiency. The rings a to c each are a benzene ring that can be optionally condensed, R1 and R2 each represent a substituted or unsubstituted aryl group, etc., four of R31 to R35 each are a substituted or unsubstituted carbazol-9-yl group, but all of these four are not the same, and the remaining one is a hydrogen atom, a cyano group, etc.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • KYUSHU UNIVERSITY NATIONAL UNIVERSITY CORPORATION; KWANSEI GAKUIN EDUCATIONAL FOUNDATION; KYULUX, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adachi, Chihaya Fukuoka, JP 180 2953
Chan, Chin-Yiu Fukuoka, JP 4 4
Hatakeyama, Takuji Sanda, JP 49 525
Kondo, Yasuhiro Ichihara, JP 133 968
Nakanotani, Hajime Fukuoka, JP 41 292
Noda, Hiroki Fukuoka, JP 14 61
Notsuka, Naoto Fukuoka, JP 19 33
Sasada, Yasuyuki Ichihara, JP 108 492
Suzuki, Yoshitake Fukuoka, JP 39 124
Tanaka, Masaki Fukuoka, JP 190 1563
Yanai, Motoki Ichihara, JP 31 364

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 19, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 19, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 19, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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