Vehicle warning lamp
US11499694B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 16, 2022 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Mar 16, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vehicle warning lamp is provided, including: a base, including a receiving room, the receiving room extending in an axial direction; a light-emitting module, disposed within the receiving room, the light-emitting module including at least one light-emitting member; and a light guide, including a first side and a second side opposite to each other, the second side facing toward the light-emitting module, the first side including a first diffuser, the light-emitting module being located within an axial projection area of the first diffuser, the second side including at least one inclined portion and at least one plane portion, the at least one plane portion being perpendicular to the axial direction, each of the at least one inclined portion including a second diffuser which is located outside the axial projection area of the first diffuser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.