Patent · US Active

Yellow light emitting device

US11898075B2 · kind B2 · utility

0Cited by

16References

19Claims

0Family size

Assignee

BASF SE

Inventors

Hannah Stephanie Mangold · Ludwigshafen am Rhein, DE
Sorin Ivanovici · Ludwigshafen, DE
Martin Koenemann · Ludwigshafen, DE
Siang-Fu Hong · Taoyuan, TW
Chia-Wei Tsai · Tainan, TW
Yen-Te Lee · Hsinchu, TW
Wei-Cheng Chou · Alhambra, US

Key dates

Filing date	Mar 19, 2019
Grant date	Feb 13, 2024
Priority date	—
Expiry date	Jun 11, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B20/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A yellow light emitting device may have a light source and a color converter wherein at most 1% of the total emitted radiant power of the yellow light emitting device is emitted in a wavelength range shorter than 520 nm, as well as the use of the yellow light emitting device.

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