Patent ID: 11913631
Assignee: LG ELECTRONICS INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  G  H | IPC F  G

Claim 0:
1. A cooktop, comprising:
a heating part configured to heat a target object; and
a manipulating part comprising (i) a control panel and (ii) a knob assembly that is coupled to the control panel and that is configured to control the heating part,
wherein the knob assembly includes:
a knob body that is disposed at a front surface of the control panel and that is configured to rotate with respect to a rotation shaft extended in a front-rear direction,
a light diffusing part that is disposed at a rear side of the knob body and that is configured to diffuse light, and
a light source part that is disposed at a rear side of the light diffusing part and that includes one or more light sources, and

wherein the light diffusing part comprises:
a base having a thickness that increases from a center of the base toward an outer edge of the base along a first straight line that passes through a center of the light diffusing part, and
a rib that surrounds the outer edge of the base, that protrudes forward from the base, and that has a diameter greater than a diameter of the knob body.