Chun Hua Lin

US Patent:

8142909, Mar 27, 2012

Filed:

Mar 7, 2008

Appl. No.:

12/044605

Inventors:

Scott Beers - Flemington NJ, US
Peter B. Mackenzie - Kingsport TN, US
Jui-Yi Tsai - Lawrenceville NJ, US
Chun Lin - Langhorne PA, US
Walter Yeager - Yardley PA, US
Edward Barron - Hamilton NJ, US
David B. Knowles - Apollo PA, US
Robert W. Walters - Export PA, US
Cory S. Brown - Pittsburgh PA, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

H01L 51/54
C09K 11/06

US Classification:

428690, 428917, 313504, 313506, 25230116, 257 40, 257E51044, 548103, 546 10

Abstract:

Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting devices comprising these compounds are also described.

US Patent:

20150060777, Mar 5, 2015

Filed:

Sep 3, 2013

Appl. No.:

14/016478

Inventors:

- Ewing NJ, US
Ruiqing Ma - Morristown NJ, US
Chun Lin - Yardley PA, US
Michael Hack - Princeton NJ, US

Assignee:

Universal Display Corporation - Ewing NJ

International Classification:

H01L 51/00
H01L 51/56
H01L 27/32

US Classification:

257 40, 438 27

Abstract:

Flexible substrates and devices including flexible substrates are provided. In an embodiment, a flexible substrate includes a first glass substrate material and a first organic light emitting device, disposed over the first flexible substrate, which includes a first emissive layer The first flexible substrate may have a thickness of not more than 300 μm, a flexural rigidity of 10Nm to 10Nm, a water vapor transmission rate of not more than 10g per square meter per day, a refractive index of not more than 1.6, a glass transition temperature of at least 300 C, a Young's modulus of 60 to 90 GPa, and/or an optical transmission of at least 85% for light in the range of 400 to 800 nm.