IP Library Granted Patent US 10,981,930
Granted Patent B2
US 10,981,930 · App. 16/332,448 · Granted Apr 20, 2021

Organic molecules for use in optoelectronic devices

Inventors: Michael Danz (Eggenstein-Leopoldshafen, DE); Daniel Zink (Bruchsal, DE)
Assignee: CYNORA GMBH
C07D495/04C07D403/10C07D403/14C07D487/04C07D493/04C07D519/00H01L51/001H01L51/0067H01L51/0072
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,981,930
App. No.
16/332,448
Granted
Apr 20, 2021
Kind
B2
Abstract

An organic molecule is disclosed having: a first chemical unit comprising or consisting of a structure according to formula I and two second chemical moieties, each at each occurrence independently from another comprising or consisting of a structure of formula II, wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond.

Claims (229)

1. An organic light-emitting molecule comprising:

a first chemical moiety comprising or consisting of a structure of Formula I:

and

two second chemical moieties, each independently from another comprising or consisting of a structure of Formula II:

wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond;

wherein

T is the binding site of a single bond linking the first chemical moiety to one of the two second chemical moieties or is hydrogen;

V is the binding site of a single bond linking the first chemical moiety to one of the two second chemical moieties or is hydrogen;

W is the binding site of a single bond linking the first chemical moiety to one of the two second chemical moieties or is selected from the group consisting of hydrogen, CN and CF 3 ;

X is the binding site of a single bond linking the first chemical moiety to one of the two second chemical moieties or is selected from the group consisting of hydrogen, CN and CF 3 ;

Y is the binding site of a single bond linking the first chemical moiety to one of the two second chemical moieties or is selected from the group consisting of hydrogen, CN and CF 3 ;

# represents the binding site of a single bond linking the first chemical moiety to one of the two second chemical moieties;

Z is at each occurrence independently from another selected from the group consisting of a direct bond, CR 3 R 4 , C═CR 3 R 4 , C═O, C═NR 3 , NR 3 , O, SiR 3 R 4 , S, S(O) and S(O) 2 ;

R 1 is at each occurrence independently from another selected from the group consisting of hydrogen,

deuterium,

C 1 -C 5 -alkyl,

wherein one or more hydrogen atoms are optionally substituted by deuterium;

C 2 -C 8 -alkenyl,

wherein one or more hydrogen atoms are optionally substituted by deuterium;

C 2 -C 8 -alkynyl,

wherein one or more hydrogen atoms are optionally substituted by deuterium; and

C 6 -C 18 -aryl,

which is optionally substituted with one or more substituents R 6 ; and

R 2 is at each occurrence independently from another selected from the group consisting of hydrogen,

deuterium,

C 1 -C 5 -alkyl,

wherein one or more hydrogen atoms are optionally substituted by deuterium;

C 2 -C 8 -alkenyl,

wherein one or more hydrogen atoms are optionally substituted by deuterium;

C 2 -C 8 -alkynyl,

wherein one or more hydrogen atoms are optionally substituted by deuterium; and

C 6 -C 18 -aryl,

which is optionally substituted with one or more substituents R 6 ;

R m is at each occurrence independently from another selected from the group consisting of hydrogen,

deuterium,

C 1 -C 5 -alkyl,

wherein one or more hydrogen atoms are optionally substituted by deuterium;

C 2 -C 8 -alkenyl,

wherein one or more hydrogen atoms are optionally substituted by deuterium;

C 2 -C 8 -alkynyl,

wherein one or more hydrogen atoms are optionally substituted by deuterium; and

C 6 -C 18 -aryl,

which is optionally substituted with one or more substituents R 6 ;

R a , R 3 and R 4 is at each occurrence independently from another selected from the group consisting of hydrogen,

deuterium,

N(R 5 ) 2 ,

OR 5 ,

Si(R 5 ) 3 ,

B(OR 5 ) 2 ,

OSO 2 R 5 ,

CF 3 ,

CN,

F,

Br,

I,

C 1 -C 40 -alkyl,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 1 -C 40 -alkoxy,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 1 -C 40 -thioalkoxy,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 2 -C 40 -alkenyl,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 2 -C 40 -alkynyl,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 6 -C 60 -aryl,

which is optionally substituted with one or more substituents R 5 ; and

C 3 -C 57 -heteroaryl,

which is optionally substituted with one or more substituents R 5 ;

R 5 is at each occurrence independently from another selected from the group consisting of hydrogen, deuterium, N(R 6 ) 2 , OR 6 , Si(R 6 ) 3 , B(OR 6 ) 2 , OSO 2 R 6 , CF 3 , CN, F, Br, I,

C 1 -C 40 -alkyl,

which is optionally substituted with one or more substituents R 6 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6 C=CR 6 ,

C≡C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C═O, C═S, C═Se, C═NR 6 , P(═O)(R 6 ), SO, SO 2 , NR 6 , O,

S or CONR 6 ;

C 1 -C 40 -alkoxy,

which is optionally substituted with one or more substituents R 6 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6 C═CR 6 ,

C≡C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C═O, C═S, C═Se, C═NR 6 , P(═O)(R 6 ), SO, SO 2 , NR 6 , O,

S or CONR 6 ;

C 1 -C 40 -thioalkoxy,

which is optionally substituted with one or more substituents R 6 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6 C═CR 6 ,

C≡C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C═O, C═S, C═Se, C═NR 6 , P(═O)(R 6 ), SO, SO 2 , NR 6 , O,

S or CONR 6 ;

C 2 -C 40 -alkenyl,

which is optionally substituted with one or more substituents R 6 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6 C═CR 6 ,

C≡C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C═O, C═S, C═Se, C═NR 6 , P(═O)(R 6 ), SO, SO 2 , NR 6 , O,

S or CONR 6 ;

C 2 -C 40 -alkynyl,

which is optionally substituted with one or more substituents R 6 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 6 C═CR 6 ,

C≡C, Si(R 6 ) 2 , Ge(R 6 ) 2 , Sn(R 6 ) 2 , C═O, C═S, C═Se, C═NR 6 , P(═O)(R 6 ), SO, SO 2 , NR 6 , O,

S or CONR 6 ;

C 6 -C 60 -aryl,

which is optionally substituted with one or more substituents R 6 ; and

C 3 -C 57 -heteroaryl,

which is optionally substituted with one or more substituents R 6 ;

R 6 is at each occurrence independently from another selected from the group consisting of hydrogen, deuterium, OPh, CF 3 , CN, F,

C 1 -C 5 -alkyl,

wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;

C 1 -C 5 -alkoxy,

wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;

C 1 -C 5 -thioalkoxy,

wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;

C 2 -C 5 -alkenyl,

wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;

C 2 -C 5 -alkynyl,

wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF 3 , or F;

C 6 -C 18 -aryl,

which is optionally substituted with one or more C 1 -C 5 -alkyl substituents;

C 3 -C 17 -heteroaryl,

which is optionally substituted with one or more C 1 -C 5 -alkyl substituents;

N(C 6 -C 18 -aryl) 2 ;

N(C 3 -C 17 -heteroaryl) 2 ,

and N(C 3 -C 17 -heteroaryl)(C 6 -C 18 -aryl);

wherein the substituents R a , R 3 , R 4 or R 5 independently from each other optionally form a mono-or polycyclic, aliphatic, aromatic and/or benzo-fused ring system with one or more substituents R a , R 3 , R 4 or R 5 ; and

wherein exactly one substituent selected from the group consisting of W, X, and Y is CN or CF 3 , and exactly two substituents selected from the group consisting of T, V, W, X and Y represent the binding sites of a single bond linking the first chemical moiety and one of the two second chemical moieties.

2. The organic light-emitting molecule according to claim 1 , wherein R 1 , R 2 and R m are independently from each other at each occurrence independently from another selected from the group consisting of H, methyl and phenyl.

3. The organic light-emitting molecule according to claim 1 , wherein W is CN.

4. The organic light-emitting molecule according to claim 1 , wherein the two second chemical moieties, each at each occurrence independently from another comprise or consist of a structure of Formula IIa:

wherein # and R a have the aforestated meanings.

5. The organic light-emitting molecule according to claim 1 , wherein the two second chemical moieties, each at each occurrence independently from another comprise or consist of a structure of Formula IIb:

wherein

R b is at each occurrence independently from another selected from the group consisting of hydrogen, deuterium, N(R 5 )2, OR S , Si(R 5 ) 3 , B(OR 5 ) 2 , OSO 2 R 5 , CF 3 , CN, F, Br, I,

C 1 -C 40 -alkyl,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 1 -C 40 -alkoxy,

which is optionally substituted with one or more substituents R 5 and

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 1 -C 40 -thioalkoxy,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 2 -C 40 -alkenyl,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 2 -C 40 -alkynyl,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 6 -C 60 -aryl,

which is optionally substituted with one or more substituents R 5 ; and

C 3 -C 57 -heteroaryl,

which is optionally substituted with one or more substituents R 5 ;

and wherein # and R 5 have the aforestated meanings.

6. The organic light-emitting molecule according to claim 1 , wherein the two second chemical moieties, each at each occurrence independently from another comprise or consist of a structure of Formula IIc:

wherein

R b is at each occurrence independently from another selected from the group consisting of hydrogen, deuterium, N(R 5 )2, OR 5 , Si(R 5 ) 3 , B(OR 5 ) 2 , OSO 2 R 5 , CF 3 , CN, F, Br, I,

C 1 -C 40 -alkyl,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 1 -C 40 -alkoxy,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 1 -C 40 -thioalkoxy,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 2 -C 40 -alkenyl,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 2 -C 40 -alkynyl,

which is optionally substituted with one or more substituents R 5 and

wherein one or more non-adjacent CH 2 -groups are optionally substituted by R 5 C═CR 5 ,

C≡C, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , C═O, C═S, C═Se, C═NR 5 , P(═O)(R 5 ), SO, SO 2 , NR 5 , O,

S or CONR 5 ;

C 6 -C 60 -aryl,

which is optionally substituted with one or more substituents R 5 ; and

C 3 -C 57 -heteroaryl,

which is optionally substituted with one or more substituents R 5 ;

and wherein # and R 5 have the aforestated meanings.

7. The organic light-emitting molecule according to claim 5 , wherein R b is at each occurrence independently from another selected from the group consisting of

Me, i Pr, t Bu, CN, CF 3 ,

Ph, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 and Ph;

pyridinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 and Ph;

pyrimidinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 and Ph;

carbazolyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 and Ph;

triazinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph; and

N(Ph) 2 .

8. A composition comprising:

(a) at least one organic molecule according to claim 1 as an emitter and/or host;

(b) one or more emitter and/or host materials different from the at least one organic molecule according to claim 1 ; and

(c) optionally one or more dyes and/or one or more solvents.

9. An optoelectronic device comprising one organic molecule according to claim 1 , in the form of a device selected from the group consisting of an organic light-emitting diode (OLED), a light-emitting electrochemical cell OLED-sensor, in non-hermetically shielded gas and vapor sensors, an organic diode, an organic solar cell, an organic transistor, an organic field-effect transistor, an organic laser and a down-conversion element.

10. The optoelectronic device according to claim 9 , comprising:

a substrate;

an anode;

a cathode, wherein the anode or the cathode is disposed on the substrate; and

at least a light-emitting layer, which is arranged between the anode and the cathode and which comprises the organic molecule according to claim 1 .

11. An optoelectronic device comprising one organic molecule according to claim 2 , in the form of a device selected from the group consisting of an organic light-emitting diode (OLED), a light-emitting electrochemical cell OLED-sensor, in non-hermetically shielded gas and vapor sensors, an organic diode, an organic solar cell, an organic transistor, an organic field-effect transistor, an organic laser and a down-conversion element.

12. An optoelectronic device comprising a composition according to claim 8 , in the form of a device selected from the group consisting of an organic light-emitting diode (OLED), a light-emitting electrochemical cell OLED-sensor, in non-hermetically shielded gas and vapor sensors, an organic diode, an organic solar cell, an organic transistor, an organic field-effect transistor, an organic laser and a down-conversion element.

13. The optoelectronic device according to claim 12 , comprising:

a substrate;

an anode;

a cathode, wherein the anode or the cathode is disposed on the substrate; and

at least a light-emitting layer, which is arranged between the anode and the cathode and which comprises the composition according to claim 8 .

14. A process for producing an optoelectronic component, comprising processing of the organic molecule according to claim 1 by a vacuum evaporation method or from a solution.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 10, 2022
From: CYNORA GMBH
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 060329/0712 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 13, 2019
From: DANZ, MICHAEL; ZINK, DANIEL
To: CYNORA GMBH
Reel/Frame 050365/0590 →
Priority Claims (1)
DE 102017109593.4 · May 4, 2017 · national
Continuity (1)
Related Publication 20200385399A1 · Dec 10, 2020
Cited By (4)
US 12,466,994 US 12,543,496 US 12,698,297 US 12,703,711