Multi-sided luminous lighting member and three-dimensional lighting device using same
US10969081B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 29, 2018 |
| Grant date | Apr 6, 2021 |
| Priority date | — |
| Expiry date | Jun 29, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are: a multi-sided luminous lighting member which is mounted to a structure having a complex three-dimensional shape, such as an automobile, so as to be used for the purpose of lighting, signaling, decoration, and the like; and a three-dimensional lighting device using the same. The lighting member according to an aspect of the present invention is a light-transmitting light guide member having a plurality of light emitting surfaces and comprises: a light guide member having a light incident portion which is at least one of the plurality of light emitting surfaces, a first light exit portion which is at least one other surface opposite to the light incident portion among the plurality of light emitting surfaces, and a second light exit portion which is at least one other surface placed laterally in the direction in which light incident to the light incident portion travels toward the first light exit portion, wherein light incident to the light incident portion is emitted from the first light exit portion and the second light exit portion; at least one light emitting diode disposed adjacent to the light incident portion such that light is incident to the light incident po…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.