Light emitting decorative panels
US9134008B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2010 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | May 2, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2105/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Light emitting decorative panels using a light source at the edge thereof that may have a desired uniformity of light emission from a pattern thereon, and which are not subject to local shadows (shading) in a pattern part from patterns or pattern parts between the respective pattern or pattern part and the light source. The elimination of shading is achieved by the depressions of a given geometry disposed in an arc having a center at the light source, and sizes each depression or arc segment of a depression in being chosen accordance with 1), the distance of the respective depression or depression segment from the source of light, and 2), the number of depressions between the respective depression and the source of light, with a second order correction for the position of depressions between the respective depression and the source of light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.