P

Inventor

LIU RONGHUI

CN16 patents
⚠️ This page may combine multiple inventors who share the name “LIU RONGHUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRIREM ADVANCED MAT CO LTD

13 patents
US9671086B2Jun 6, 2017

Oxynitride orange-red fluorescent substance and light-emitting film or sheet and light-emitting device comprising the same

GRIREM ADVANCED MAT CO LTD2 citations71
US11932790B2Mar 19, 2024

Red light and near-infrared light-emitting material, preparation method thereof and light-emitting device

GRIREM ADVANCED MAT CO LTD0 citations61
US11942577B2Mar 26, 2024

Optical device

GRIREM ADVANCED MAT CO LTD0 citations60
US11299672B2Apr 12, 2022

Near-infrared luminescent material and light-emitting device prepared therefrom

GRIREM ADVANCED MAT CO LTD0 citations60
US11932793B2Mar 19, 2024

Phosphor with garnet structure and light-emitting device comprising the phosphor

GRIREM ADVANCED MAT CO LTD0 citations59
US11485907B2Nov 1, 2022

Nitride luminescent material and light emitting device comprising same

GRIREM ADVANCED MAT CO LTD0 citations59
US11098249B2Aug 24, 2021

Phosphor, preparation method for phosphor, and light emitting device having phosphor

GRIREM ADVANCED MAT CO LTD0 citations58
US11066600B2Jul 20, 2021

Lutetium nitride-based phosphor and light emitting device comprising same

GRIREM ADVANCED MAT CO LTD0 citations58
US11718788B2Aug 8, 2023

Red light and near-infrared light-emitting material and light-emitting device

GRIREM ADVANCED MAT CO LTD0 citations57
US11518935B2Dec 6, 2022

Nitride fluorescent material and light-emitting device containing same

GRIREM ADVANCED MAT CO LTD0 citations57
US11680203B2Jun 20, 2023

Red phosphor, preparation method thereof and light-emitting device prepared therefrom

GRIREM ADVANCED MAT CO LTD0 citations56
US11923485B2Mar 5, 2024

Optical device

GRIREM ADVANCED MAT CO LTD0 citations50
US10385265B2Aug 20, 2019

Red phosphor powder, preparation method thereof and luminescent device comprising same

GRIREM ADVANCED MAT CO LTD0 citations41

HU YUNSHENG

1 patent
US9252339B2Feb 2, 2016

Red light-emitting nitride material, and light-emitting part and light-emitting device comprising the same

HU YUNSHENG0 citations43

HE HUAQIANG

1 patent
US9153754B2Oct 6, 2015

Light emitting diode (LED) red fluorescent material and lighting device having the same

HE HUAQIANG0 citations42

GEN RES INST NONFERROUS METALS

1 patent
US9926489B2Mar 27, 2018

Fluorescent powder and light-emitting device including the same

GEN RES INST NONFERROUS METALS0 citations35