Chun R Lin

US Patent:

7902374, Mar 8, 2011

Filed:

Nov 3, 2006

Appl. No.:

11/592275

Inventors:

Chun Lin - Langhorne PA, US
Peter B. Mackenzie - Newtown PA, US
Robert W. Walters - Export PA, US
Jui-Yi Tsai - Lawrenceville NJ, US
Cory S. Brown - Pittsburgh PA, US
Jun Deng - Murrysville PA, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

C09K 11/06
C07D 233/54
H01L 51/54

US Classification:

548103, 548101, 313504, 428917, 257E51044

Abstract:

Organic light emitting materials and devices comprising phosphorescent metal complexes comprising ligands comprising aryl or heteroaryl groups substituted at both ortho positions are described. An organic light emitting device, comprising: an anode; a hole transport layer; an organic emissive layer comprising an emissive layer host and an emissive dopant; an electron impeding layer; an electron transport layer; and a cathode disposed, in that order, over a substrate.

US Patent:

8007927, Aug 30, 2011

Filed:

Sep 11, 2008

Appl. No.:

12/208907

Inventors:

Chun Lin - Langhorne PA, US
Alexey Borisovich Dyatkin - Ambler PA, US
Zeinab Elshenawy - Holland PA, US
Walter Yeager - Yardley PA, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

H01J 1/63

US Classification:

428690, 313504, 549 43

Abstract:

A new class of dibenzothiophene and/or dibenzofuran-containing compounds are provided. The new compounds may be useful in organic light emitting devices, particularly as the host of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.

US Patent:

8221905, Jul 17, 2012

Filed:

Nov 21, 2008

Appl. No.:

12/275894

Inventors:

Chun Lin - Langhorne PA, US
Alexey Borisovich Dyatkin - Ambler PA, US
Zeinab Elshenawy - Holland PA, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

H01L 51/54

US Classification:

428690, 428917, 313504, 313505, 313506, 257 40, 257E5105, 548440, 544234, 564426, 564434

Abstract:

Carbazole-containing compounds are provided. In particular, the compounds are oligocarbazole-containing compounds having an unsymmetrical structure. The compounds may be useful in organic light emitting devices, in particular as hosts in the emissive layer of such devices.

US Patent:

8580402, Nov 12, 2013

Filed:

Jul 19, 2011

Appl. No.:

13/186204

Inventors:

Chun Lin - Langhorne PA, US
Alexey Borisovich Dyatkin - Ambler PA, US
Zeinab Elshenawy - Holland PA, US
Walter Yeager - Yardley PA, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

H01L 51/54

US Classification:

428690, 428917, 313504, 313505, 313506, 257 40, 257E5105, 257E51026, 257E51032, 546 18, 546 79, 546 81, 546101, 548440

Abstract:

A new class of dibenzothiophene and/or dibenzofuran-containing compounds are provided. The new compounds may be useful in organic light emitting devices, particularly as the host of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.

US Patent:

20090153034, Jun 18, 2009

Filed:

Sep 12, 2008

Appl. No.:

12/209928

Inventors:

Chun Lin - Langhorne PA, US
Alexey Dyatkin - Ambler PA, US
Zeinab Elshenawy - Holland PA, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

H01J 1/63
C07D 403/14
C07D 401/14
C07D 491/048
C07D 495/04

US Classification:

313504, 548428, 544238, 546 89, 546 80

Abstract:

Carbazole-containing compounds are provided. In particular, the compounds are oligocarbazole-containing compounds having an unsymmetrical structure. The compounds may be useful in organic light emitting devices, in particular as hosts in the emissive layer of such devices.

US Patent:

20100187984, Jul 29, 2010

Filed:

Dec 28, 2009

Appl. No.:

12/647927

Inventors:

Chun Lin - Langhorne PA, US
Bin Ma - West Windsor NJ, US
Raymond Kwong - Plainsboro NJ, US
Alexey Borisovich Dyatkin - Ambler PA, US
Wu Yonggang - Ewing NJ, US
Zeinab M. Elshenawy - Holland PA, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

C07D 491/02
C07D 495/02
H01J 1/63

US Classification:

313504, 546 80, 546 89

Abstract:

A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.

US Patent:

20110163302, Jul 7, 2011

Filed:

Jun 30, 2009

Appl. No.:

13/001577

Inventors:

Chun Lin - Langhorne PA, US
Bin Ma - Westwindsor NJ, US
Chuanjun Xia - Lawrenceville NJ, US
Yonggang Wu - Ewing NJ, US
Raymond Kwong - Plainsboro NJ, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

H01L 51/54
C07D 409/12
C07D 495/04

US Classification:

257 40, 549 43, 564426, 549 50, 257E51041

Abstract:

Novel materials are provided, having a single phenyl or a chain of phenyls where there is a nitrogen atom on each end of the single phenyl or chain of phenyls. The nitrogen atom may be further substituted with particular thiophene, benzothiophene, and triphenylene groups. Organic light-emitting devices are also provided, where the novel materials are used as a hole transport material in the device. Combinations of the hole transport material with specific host materials are also provided.

US Patent:

20130015432, Jan 17, 2013

Filed:

Jul 9, 2012

Appl. No.:

13/544801

Inventors:

Chun Lin - Yardley PA, US
Julie J. Brown - Yardley PA, US
Angang Dong - Ewing PA, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

H01L 51/52
H01L 51/56

US Classification:

257 40, 438 47, 257E51018

Abstract:

A novel electronic device is reported containing a host comprising an inorganic material with a band gap of less than 4 eV. The use of an inorganic material is advantageous due to its desirable physical properties, including increased stability and charge mobility.