Organic light-emitting device

Patent metadata

Field	Value
Publication number	US-10361252-B2
Application number	US-201615290796-A
Country	US
Kind code	B2
Filing date	Oct 11, 2016
Priority date	Nov 30, 2015
Publication date	Jul 23, 2019
Grant date	Jul 23, 2019

Abstract

An organic light-emitting device including: a plurality of first electrodes that are respectively patterned according to first, second, and third sub-pixels; a second electrode facing the plurality of first electrodes; a plurality of emission layers between the plurality of first electrodes and the second electrode; a hole transport region between the plurality of first electrodes and the plurality of emission layers; and at least one selected from a first auxiliary layer and a second auxiliary layer. The first auxiliary layer may be between the hole transport region and the first emission layer, the second auxiliary layer may be between the hole transport region and the second emission layer, and at least one selected from the first auxiliary layer and the second auxiliary layer may include a first compound represented by Formula 1:

First claim

What is claimed is:

1. An organic light-emitting device comprising:
a substrate comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel;
a plurality of first electrodes that are respectively patterned according to the first sub-pixel, the second sub-pixel, and the third sub-pixel of the substrate;
a second electrode facing the plurality of first electrodes;
an emission layer between the plurality of first electrodes and the second electrode, the emission layer comprising: i) a first emission layer positioned between the first electrode on the first sub-pixel and the second electrode to emit a first color light, ii) a second emission layer positioned between the first electrode on the second sub-pixel and the second electrode to emit a second color light, and iii) a third emission layer positioned between the first electrode on the third sub-pixel and the second electrode to emit a third color light;
a hole transport region between the plurality of first electrodes and the emission layer; and
at least one selected from a first auxiliary layer and a second auxiliary layer, the first auxiliary layer being between the hole transport region and the first emission layer, and the second auxiliary layer being between the hole transport region and the second emission layer,
the first color light being red color light, the second color light being green color light, and/or the third color light being blue color light, and
at least one selected from the first auxiliary layer and the second auxiliary layer comprising a first compound represented by Formula 1:

wherein, in Formula 1,
X 1 is selected from C(R 21 )(R 22 ), Si(R 21 )(R 22 ), N(R 21 ), O, S, S(═O), and S(═O) 2 , wherein R 21 and R 22 are optionally linked to form a saturated or unsaturated ring,
L 1 to L 4 are each independently selected from a substituted or unsubstituted C 3 -C 10 cycloalkylene group, a substituted or unsubstituted C 1 -C 10 heterocycloalkylene group, a substituted or unsubstituted C 3 -C 10 cycloalkenylene group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenylene group, a substituted or unsubstituted C 6 -C 60 arylene group, a substituted or unsubstituted C 1 -C 60 heteroarylene group, a substituted or unsubstituted divalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group,
a1 to a4 are each independently selected from 0, 1, 2, and 3, and when a1 is 2 or more, 2 or more L 1 (s) are identical to or different from each other, when a2 is 2 or more, 2 or more L 2 (s) are identical to or different from each other, when a3 is 2 or more, 2 or more L 3 (s) are identical to or different from each other, and when a4 is 2 or more, 2 or more L 4 (s) are identical to or different from each other,
R 1 to R 12 , R 21 , and R 22 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 1 )(Q 2 )(Q 3 ), —N(Q 1 )(Q 2 ), —B(Q 1 )(Q 2 ), —C(═O)(Q 1 ), —S(═O) 2 (Q 1 ), and —P(═O)(Q 1 )(Q 2 ), wherein at least two selected from R 1 to R 12 are optionally linked to form a saturated or unsaturated ring,
at least one selected from R 1 to R 4 is selected from a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group,
b1 to b4 are each independently selected from 0, 1, 2, and 3, and when b1 is 2 or more, 2 or more R 1 (s) are identical to or different from each other, when b2 is 2 or more, 2 or more R 2 (s) are identical to or different from each other, when b3 is 2 or more, 2 or more R 3 (s) are identical to or different from each other, and when b4 is 2 or more, 2 or more R 4 (s) are identical to or different from each other, wherein at least one selected from b1 to b4 is 1 or more, and
at least one substituent of the substituted C 3 -C 10 cycloalkylene group, the substituted C 1 -C 10 heterocycloalkylene group, the substituted C 3 -C 10 cycloalkenylene group, the substituted C 1 -C 10 heterocycloalkenylene group, the substituted C 6 -C 60 arylene group, the substituted C 1 -C 60 heteroarylene group, the substituted divalent non-aromatic condensed polycyclic group, the substituted divalent non-aromatic condensed heteropolycyclic group, the substituted C 1 -C 60 alkyl group, the substituted C 2 -C 60 alkenyl group, the substituted C 2 -C 60 alkynyl group, the substituted C 1 -C 60 alkoxy group, the substituted C 3 -C 10 cycloalkyl group, the substituted C 1 -C 10 heterocycloalkyl group, the substituted C 3 -C 10 cycloalkenyl group, the substituted C 1 -C 10 heterocycloalkenyl group, the substituted C 6 -C 60 aryl group, the substituted C 6 -C 60 aryloxy group, the substituted C 6 -C 60 arylthio group, the substituted C 1 -C 60 heteroaryl group, the substituted monovalent non-aromatic condensed polycyclic group, and the substituted monovalent non-aromatic condensed heteropolycyclic group is selected from the group consisting of:
deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, and a C 1 -C 60 alkoxy group;

a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, and a C 1 -C 60 alkoxy group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 11 )(Q 12 )(Q 13 ), —N(Q 11 )(Q 12 ), —B(Q 11 )(Q 12 ), —C(═O)(Q 11 ), —S(═O) 2 (Q 11 ), and —P(═O)(Q 11 )(Q 12 );
a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group

Assignees

• Samsung Display Co Ltd

Inventors

• Yoo Byeongwook
• Kwon Jiyoung
• Song Yoonmo
• Yoon Jihwan
• Pyo Sangwoo

Classifications

• H01L51/5218

  Electricity · mapped topic

• H01L51/5265

  Electricity · mapped topic

• H01L51/0058

  Electricity · mapped topic

• H01L51/5234

  Electricity · mapped topic

• H01L51/006

  Electricity · mapped topic