NOVEL TETRADENTATE PLATINUM COMPLEXES

• US 20120223634A1
• Filed: 03/07/2012
• Published: 09/06/2012
• Est. Priority Date: 02/23/2011
• Status: Active Grant

• Current Assignee: Universal Display Corporation
• Original Assignee: Universal Display Corporation
• Inventors: Xia, Chuanjun, Yeager, Walter, Li, David Zenan, Ma, Bin, Layek, Suman, Barron, Ed, Kottas, Gregg, Brooks, Jason, Fiordelisio, James, Elshenawy, Zeinab
• Granted Patent: US 8,871,361 B2
• Time in Patent Office: Days
• US Class Current: 313/504
• CPC Class Codes: C07F 15/0086 Platinum compounds
• CPC Class Codes: C09K 11/06 containing organic luminescent materials
• CPC Class Codes: C09K 2211/1044 containing two nitrogen atoms as heteroatoms
• CPC Class Codes: C09K 2211/185 of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd
• CPC Class Codes: H05B 33/14 characterised by the chemical or physical composition or the arrangement of the electroluminescent material , or by the simultaneous addition of the electroluminescent material in or onto the light source
• CPC Class Codes: H10K 50/80 Constructional details
• CPC Class Codes: H10K 85/346 comprising platinum
• CPC Class Codes: H10K 85/40 Organosilicon compounds, e.g. TIPS pentacene
• CPC Class Codes: H10K 85/6572 comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
• CPC Class Codes: H10K 85/6576 comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
• CPC Class Codes: Y02E 10/549 Organic PV cells
• CPC Class Codes: Y10S 428/917 Electroluminescent

Abstract

Novel phosphorescent tetradentate platinum (II) compounds comprising a twisted aryl group are provided. Also provided are novel phosphorescent tetradentate platinum (II) compounds comprising an imidazo[1,2-f]phenanthridine moiety. The compounds may be used in organic light emitting devices to provide improved device efficiency, line shape and lifetime.

Claims

1-77. -77. (canceled)

78. A compound having the formula:

79. The compound of claim 78, wherein the compound has the formula:

80. The compound of claim 78, wherein the compound has the formula:

81. The compound of claim 78, wherein C is benzene.

82. The compound of claim 78, wherein the compound has a formula selected from the group consisting of:

83. The compound of claim 78, wherein the compound has a formula selected form the group consisting of:

84. The compound of claim 78, wherein A-B is selected from the group consisting of:

85. The compound of claim 78, wherein the compound is selected from the group consisting of:

86. The compound of claim 78, wherein the compound is selected from the group consisting of:

87. A first device comprising an organic light emitting device, further comprising:

an anode;

a cathode; and

an organic layer, disposed between the anode and the cathode, comprising a compound having the formula;

88. A compound having the formula:

89. The compound of claim 88, wherein the compound has the formula:

90. The compound of claim 88, wherein the compound has the formula:

91. The compound of claim 88, wherein the compound has the formula:

92. The compound of claim 88, wherein the compound has the formula:

93. The compound of claim 88, wherein the compound has the formula:

94. The compound of claim 88, wherein the compound has the formula:

95. The compound of claim 88, wherein the compound has the formula:

96. The compound of claim 88, wherein the compound is selected from the group consisting of:

97. A first device comprising an organic light emitting device, further comprising:

an anode;

a cathode; and

an organic layer, disposed between the anode and the cathode, comprising a compound having the formula;