Back to results
US 2026/0190849 A1Published application
Organic electroluminescent materials and devices
AssigneeUniversal Display Corporation
InventorZhiqiang Ji
Life of this patent
Estimating the term…
Abstract
Provided are organometallic compounds comprising a platinum or palladium atom as the central metal atom which is coordinated by an at least tetradentate ligand. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) as well as related consumer products that utilize these organometallic compounds.
Claims20
A compound comprising a structure of Formula I:
- wherein M is Pt or Pd;
- wherein moieties A, B, C, and D are each independently a monocyclic ring or a polycyclic fused ring system, wherein the monocyclic ring or each ring of the polycyclic fused ring system is independently a 5-membered to 10-membered carbocyclic or heterocyclic ring;|
- wherein X1—X6 are each independently C or N;
- wherein Y1 and Y2 are each independently selected from the group consisting of B, C, Si, N, P, O, P, S, and Se;
- wherein Z1-Z4 are each independently C or N;
- wherein L1 and L2 are each independently selected from the group consisting of a direct bond, O, S, Se, NR, BR, BRR′, PR, CR, C═O, C═NR, C═CRR′, C═S, CRR′, SO, SO2, P(O)R, SiRR′, and GeRR′;
- wherein K1 and K2 are each independently selected from the group consisting of a direct bond, O, S, N(Rα), P(Rα), B(Rα), C(Rα)(Rβ), and Si(Rα)(Rβ);
- represents a single bond or a double bond;
- wherein RA, RB, RC, RD, and RE each independently represent mono to the maximum allowable substitution, or no substitution;
- wherein each Rα, Rβ, R, R′, RA, RB, RC, RD, and RE is independently hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- wherein any two substituents may be joined or fused to form a ring;
- wherein at least one RE and one RA substituent, or one RE and one RB substituent, are joined to form a ring;
- and
- with the proviso that if K1 is a direct bond, then an RE substituent and an RA substituent form a ring, and an RE substituent and an RB substituent form a ring.
11 more elements
An organic light emitting device (OLED) comprising:
- an anode;
- a cathode;
- and
- an organic layer disposed between the anode and the cathode,
- wherein the organic layer comprises a compound comprising a structure of Formula I:
- wherein M is Pt or Pd;
- wherein moieties A, B, C, and D are each independently a monocyclic ring or a polycyclic fused ring system, wherein the monocyclic ring or each ring of the polycyclic fused ring system is independently a 5-membered to 10-membered carbocyclic or heterocyclic ring;|
- wherein X1—X6 are each independently C or N;
- wherein Y1 and Y2 are each independently selected from the group consisting of B, C, Si, N, P, O, P, S, and Se;
- wherein Z1-Z4 are each independently C or N;
- wherein L1 and L2 are each independently selected from the group consisting of a direct bond, O, S, Se, NR, BR, BRR′, PR, CR, C═O, C═NR, C═CRR′, C═S, CRR′, SO, SO2, P(O)R, SiRR′, and GeRR′;
- wherein K1 and K2 are each independently selected from the group consisting of a direct bond, O, S, N(Rα), P(Rα), B(Rα), C(Rα)(Rβ), and Si(Rα)(Rβ);
- represents a single bond or a double bond;
- wherein RA, RB, RC, RD, and RE each independently represent mono to the maximum allowable substitution, or no substitution;
- wherein each Rα, Rβ, R, R′, RA, RB, RC, RD, and RE is independently hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- wherein any two substituents may be joined or fused to form a ring;
- wherein at least one RE and one RA substituent, or one RE and one RB substituent, are joined to form a ring;
- and
- with the proviso that if K1 is a direct bond, then an RE substituent and an RA substituent form a ring, and an RE substituent and an RB substituent form a ring.
16 more elements
A consumer product comprising an organic light-emitting device (OLED) comprising:
- an anode;
- a cathode;
- and
- an organic layer disposed between the anode and the cathode,
- wherein the organic layer comprises a compound comprising a structure of Formula I:
- wherein M is Pt or Pd;
- wherein moieties A, B, C, and D are each independently a monocyclic ring or a polycyclic fused ring system, wherein the monocyclic ring or each ring of the polycyclic fused ring system is independently a 5-membered to 10-membered carbocyclic or heterocyclic ring;|
- wherein X1—X6 are each independently C or N;
- wherein Y1 and Y2 are each independently selected from the group consisting of B, C, Si, N, P, O, P, S, and Se;
- wherein Z1-Z4 are each independently C or N;
- wherein L1 and L2 are each independently selected from the group consisting of a direct bond, O, S, Se, NR, BR, BRR′, PR, CR, C═O, C═NR, C═CRR′, C═S, CRR′, SO, SO2, P(O)R, SiRR′, and GeRR′;
- wherein K1 and K2 are each independently selected from the group consisting of a direct bond, O, S, N(Rα), P(Rα), B(Rα), C(Rα)(Rβ), and Si(Rα)(Rβ);
- represents a single bond or a double bond;
- wherein RA, RB, RC, RD, and RE each independently represent mono to the maximum allowable substitution, or no substitution;
- wherein each Rα, Rβ, R, R′, RA, RB, RC, RD, and RE is independently hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- wherein any two substituents may be joined or fused to form a ring;
- wherein at least one RE and one RA substituent, or one RE and one RB substituent, are joined to form a ring;
- and
- with the proviso that if K1 is a direct bond, then an RE substituent and an RA substituent form a ring, and an RE substituent and an RB substituent form a ring.
16 more elements
Dependencies are inferred from the claim text.