Patent · US Active

Light-emitting device

US11088302B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

OSRAM Opto Semiconductors GmbH · DE

Inventors

Benjamin Daniel Mangum · Tualatin, US
David O'Brien · Portland, US
Britta Göötz · Regensburg, DE

Key dates

Filing date	Jul 8, 2019
Grant date	Aug 10, 2021
Priority date	—
Expiry date	Aug 18, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/855
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A light emitting device is disclosed. In an embodiment a light-emitting device includes a pixel comprising at least three sub-pixels, wherein a first sub-pixel includes a first conversion element having a green phosphor, wherein a second sub-pixel includes a second conversion element having a red phosphor and wherein a third sub-pixel is free of a conversion element, the third sub-pixel configured to emit blue primary radiation, wherein each sub-pixel has an edge length of at most 100 μm, and wherein the light-emitting device is configured to enhance a gamut coverage of an emitted radiation.

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