Patent ID: 11949050
Assignee: EPISTAR CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An LED bulb, comprising:
a screw base;
a cover, forming an accommodation space with the screw base;
an LED filament located in the accommodation space, comprising:
a substrate comprising a first top surface, a side surface, and an extension direction;
a plurality of LED chips disposed on the first top surface along the extension direction; and
a first electrode and a second electrode separately arranged on the first top surface, and electrically connected to the plurality of LED chips; and

a first clamp and a second clamp connected to the first electrode and the second electrode, respectively, and holding the LED filament to suspend between the first clamp and the second clamp without other support directly connected to the LED filament within the accommodation space,
wherein, the LED bulb has an imaginary rotational axis not parallel to the extension direction.