Polycyclic aromatic compound and light emitting layer-forming composition

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10680186
APP PUB NO 20180040821A1
SERIAL NO

15556551

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention addresses the problem of providing a polycyclic aromatic compound which has improved solubility in solvents, film formability, wet coatability and in-plane orientation. The above-described problem is solved by a composition for forming a light emitting layer, which contains, as a first component, at least one compound selected from the group consisting of compounds represented by general formula (A-1) and compounds represented by general formula (A-2), as a second component, at least one compound that has a triplet energy (ET) of 1.8-3.0 eV, and as a third component, at least one organic solvent.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • KWANSEI GAKUIN EDUCATIONAL FOUNDATION; JNC CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hatakeyama, Takuji Hyogo, JP 47 319
Kondo, Yasuhiro Chiba, JP 132 860
Nakamoto, Keiichi Chiba, JP 34 738
Yanai, Motoki Chiba, JP 30 300

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 Dec 9, 2023
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 9, 2027
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 9, 2031
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