Title:
ＬＥＤフィラメントランプ
Document Type and Number:
Japanese Patent JP7249090
Kind Code:
B2
Abstract:
The invention provides a LED filament lamp (10) comprising: an envelope (11) enclosing a chamber (13) sealed with a stem (12), wherein the stem extends into said chamber; a LED filament structure (14) with at least two individually controllable segments (141-145); a controller (15) configured to receive a control signal and control each of the at least two individually controllable segments based on said control signal, wherein the LED filament structure (14) and the controller (15) are arranged within the chamber (13); a driver circuit (16) arranged outside the chamber, wherein the driver circuit comprises two powerlines (161, 162) extending through the stem (12) or the envelope (11) for powering the LED filament structure (14) and the controller (15), wherein the driver circuit (16) is configured to convey said control signal to the controller (15) via a control line (163) extending through the stem or the envelope.
More Like This:
| JP6731354 | Lighting devices, luminaires and manufacturing methods |
| JP2018022702 | LIGHTING DEVICE |
| JP2023122570 | PHOTOCATALYST DEVICE |
Inventors:
Wouters Vincent Arnold
Hontere Bertrand Johann Edwald
Hontere Bertrand Johann Edwald
Application Number:
JP2022514488A
Publication Date:
March 30, 2023
Filing Date:
September 02, 2020
Export Citation:
Assignee:
SIGNIFY HOLDING B.V.
International Classes:
F21K9/238; F21K9/232; F21V23/00; H04Q9/00
Domestic Patent References:
| JP2013026051A | ||||
| JP2019530142A | ||||
| JP2011204637A |
Foreign References:
| US20180328543 | ||||
| US9420644 |
Attorney, Agent or Firm:
Sakiko Shibata
Previous Patent: Methods for improving RF-based atmospheric condition detection and RF-based network communication
Next Patent: BAR CODE READER
Next Patent: BAR CODE READER