Patent · US Active

Wavelength converting member and method of producing the same

US11316082B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

NS MATERIALS INC. · JP

Inventors

Akiharu Miyanaga · Yokohama, JP
Eiichi Kanaumi · Fukuoka, JP

Key dates

Filing date	Sep 11, 2019
Grant date	Apr 26, 2022
Priority date	—
Expiry date	Sep 11, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2924/0001
WIPO fieldMicro-structural and nano-technology
WIPO sectorChemistry

Abstract

A method of producing a wavelength converting member is provided. The method includes forming a quantum dot layer on a bottom organic layer, and forming a top organic layer on the quantum dot layer. The quantum dot layer includes quantum dots. A moisture vapor transmission rate of the top organic layer and the bottom organic layer is at least 0.006 g/(m2·day) and less than 9 g/(m2·day).

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