Patent · US Active

Phosphor layer for micro-LED applications

US11552225B2 · kind B2 · utility

2Cited by

14References

20Claims

0Family size

Assignee

LUMILEDS LLC · US

Inventors

Hans-Helmut Bechtel · Roetgen, DE
Jens Meyer · Dresden, DE
Matthias Heidemann · Aachen, DE
Petra Huppertz · Roetgen, DE
Joerg Feldmann · Aachen, DE

Key dates

Filing date	May 29, 2020
Grant date	Jan 10, 2023
Priority date	—
Expiry date	Dec 6, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/8513
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

Embodiments include a device having a micro-LED that includes at least two, individually addressable light emitting diodes on a same substrate; a phosphor converter layer disposed on the micro-LED, the phosphor converter layer including phosphor particles having a D50 of greater than 1 μm and less than 10 μm.

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