US 2022/0090773 A1 · LED LIGHTING DEVICE

Abstract

An LED lighting device, comprises a first portion, comprising a lamp cap; a second portion, connected with the first portion, comprising a case and a power supply, and the power supply is disposed in the case; and a third portion, connected with the second portion, comprising a heat exchange unit and a light emission unit connected with each other, and the light emission unit and the power supply are electrically connected. A distance b from a junction face of the first portion and the second portion to a plane where a center of gravity of the LED lighting device is located satisfies: (L2+L3)/5<b<3(L2+L3)/7, wherein L2 is a length of the second portion, L3 is a length of the third portion, and both the junction face and the plane are parallel and perpendicular to a first direction.

Claims20

Dependent claims

An LED lighting device, comprising:

a first portion, comprising a lamp cap;
a second portion, connected with the first portion, comprising a case and a power supply, and the power supply is disposed in the case;
and
a third portion, connected with the second portion, comprising a heat exchange unit and a light emission unit connected with each other, and the light emission unit and the power supply are electrically connected;
wherein a distance b from a junction face of the first portion and the second portion to a plane where a center of gravity of the LED lighting device is located satisfies:
(L2+L3)/5<b<3(L2+L3)/7,
wherein L2 is a length of the second portion, L3 is a length of the third portion, and both the junction face and the plane are parallel and perpendicular to a first direction.

4 more elements

Dependencies are inferred from the claim text.

Led lighting device

Life of this patent

Led lighting device

Life of this patent

Abstract

Claims20