Compound for organic electroluminescent device and organic electroluminescent device including the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9917256
SERIAL NO

14441921

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

This invention relates to a compound for an organic electroluminescent device and to an organic electroluminescent device including the same. This compound for an organic electroluminescent device including the same is improved in thermal stability and light emission efficiency. When this compound is used as a hole transport layer material, a triplet energy of a phosphorescent light emitting material is increased, thus improving the efficiency of the organic electroluminescent device.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • SK CHEMICALS CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Yu-Mi Gwangju-si, KR 10 23
Jun, Suk Woon Suwon-si, KR 4 10
Kang, Ju-Sik Hwaseong-si, KR 18 21
Lee, Song Seoul, KR 14 41
Park, Jae-Kyun Incheon, KR 6 19
Park, Jeong Ho Seongnam-si, KR 102 269
Shin, Yong-Jun Seoul, KR 13 55
Yang, Nam-Choul Seoul, KR 83 473

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 13, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 13, 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