The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 2016
Filed:
Apr. 27, 2015
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Jihyun Seo, Yongin, KR;
Mikyung Kim, Yongin, KR;
Yunjee Park, Yongin, KR;
Seunggak Yang, Yongin, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-City, Gyeonggi-do, KR;
Abstract
An organic light-emitting device includes an organic layer including an emission layer between a first electrode and the second electrode, and a hole transport region including an auxiliary layer between the first electrode and the emission layer, the hole transport region. The auxiliary layer includes a first material and a second material that satisfy Equations 1-1 and 1-2:0 eV<≦0.6 eV  <Equation 1-1>0 eV<≦0.6 eV  <Equation 1-2>wherein in Equation 1-1 and 1-2, Eis a highest occupied molecular orbital energy (HOMO energy) of the first material; Eis a lowest unoccupied molecular orbital energy (LUMO energy) of the first material; Eis a HOMO energy of the second material; and Eis a LUMO energy of the second material.