Patent · US Active

Advanced light extraction structure

US10050236B2 · kind B2 · utility

8Cited by

7References

43Claims

0Family size

Assignee

PIXELLIGENT TECHNOLOGIES LLC · US

Inventors

Zhiyun Chen · Longbeilingcun, CN
Gregory D. Cooper · Fulton, US

Key dates

Filing date	Jul 8, 2014
Grant date	Aug 14, 2018
Priority date	—
Expiry date	Jul 8, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH10K59/879
WIPO fieldOptics
WIPO sectorInstruments

Abstract

This presently disclosed technology relates to Organic Light Emitting Diodes (OLEDs), more particularly it relates to OLED display extraction and nanocomposite formulations that can be used for the light extraction structure. The OLEDs comprise, in order, an encapsulation layer or a substrate layer, an array of lenses, and an array of light emitting pixels at least partially covered by said array of lenses, wherein at least one of the lenses covers at least one of the pixel, and said lenses comprises a material with higher refractive index than the encapsulation layer or substrate layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.