Invention Grant
- Patent Title: Devices to increase OLED output coupling efficiency with a high refractive index substrate
-
Application No.: US14631930Application Date: 2015-02-26
-
Publication No.: US09640781B2Publication Date: 2017-05-02
- Inventor: Chaoyu Xiang , Ruiqing Ma
- Applicant: Universal Display Corporation
- Applicant Address: US NJ Ewing
- Assignee: Universal Display Corporation
- Current Assignee: Universal Display Corporation
- Current Assignee Address: US NJ Ewing
- Agency: Morris & Kamlay LLP
- Main IPC: H01L51/52
- IPC: H01L51/52 ; H01L51/00
Abstract:
Embodiments disclosed herein provide an organic light emitting diode (OLED) device is provided, including a high index substrate having an index of refraction of 1.5 or greater, a reflective electrode, an organic emissive layer configured to emit light having a wavelength of λ; and where an optical distance between the organic emissive layer and the reflective electrode of the OLED is between λ/4 and 3λ/4.
Public/Granted literature
- US20160204381A1 DEVICES TO INCREASE OLED OUTPUT COUPLING EFFICIENCY WITH A HIGH REFRACTIVE INDEX SUBSTRATE Public/Granted day:2016-07-14
Information query
IPC分类:
