Inventor

Morna SHEN

Inventor

Overview

4→

Patents

2022–2026

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F21Kprimary

F21KNon-electric light sources using luminescence20%

F21VFunctional features or details of lighting devices or systems thereof20%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted10%

H01JElectric discharge tubes or discharge lamps10%

H01KElectric incandescent lamps10%

H01RElectrically-conductive connections10%

H05BElectric heating10%

LOC2610%

PatentTitleYear

12,526,894LED driving circuit, LED powering circuit, and LED lighting device2026 D1104322Solar lamp2025 11,473,734LED lighting bulb and manufacturing method2022 11,300,280Lamp2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2026Patents assigned to SIGNIFY HOLDING BV (4)· patent assignee history

2022–2026Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIGNIFY HOLDING BV	4	2022–2026

Locations

Location	Patents	Span
CN	4	2022–2026