The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 30, 2024

Filed:

May. 27, 2022
Applicant:

Savant Technologies Llc, Cleveland, OH (US);

Inventors:

Jie Gao, Shanghai, CN;

Kun Xiao, Shanghai, CN;

Yankun Gong, Shanghai, CN;

Pan Yao, Shanghai, CN;

Jia Zhu, Shanghai, CN;

Assignee:

SAVANT TECHNOLOGIES LLC, Cleveland, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/10 (2020.01); H05B 45/20 (2020.01); H05B 45/30 (2020.01); H05B 47/155 (2020.01); H05B 47/17 (2020.01);
U.S. Cl.
CPC ...
H05B 45/30 (2020.01); H05B 45/10 (2020.01); H05B 45/20 (2020.01); H05B 47/155 (2020.01); H05B 47/17 (2020.01);
Abstract

Disclosed herein is a lighting device with adjustable technical effects using few extraction electrodes to keep the cost low and the device simple, the device including: at least one filament group, wherein each filament group includes at least one filament, each filament includes at least one first light emitting unit and at least one second light emitting unit, which are connected in anti-parallel, and the first light emitting unit and the second light emitting unit have different light attributes from each other; and a light attribute adjusting unit, which is connected to both ends of each filament group to adjust a light attribute of light emitted from the lighting device, wherein the light attribute of the emitted light can be different from the light attribute of any light emitting unit.


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