LED and/or laser projection light device
US11412182B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Jan 23, 2019 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Jan 23, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The LED and/or laser projection light device has three major project parts including (a) light source (b) image-forming-unit (c) project/refractive lens to make desired enlarge projected image, patterns or light beams. The project light has at least one of inner optics-lens or optics-elements rotating to create the splendid lighted image or patterns or light-beam to emit to outer-cover. Further, The project light preferred have at least one of additional-functions built-in project light device select from (i) 2nd light source for preferred illumination function(s), (ii) glow, back light, (iii) 2nd or more project assemblies in one light device, (iv) other light functions, (v) candle light illumination, (vi) bulb illumination, (vii) desk top or floor light illumination, (viii) having battery or rechargeable battery or built-in/outside AC-to-DC circuit to get power source, (ix) apply the USB port or adaptor or connector or AC-plug wire to get power source, (x) steady, rotating, replaceable, detachable, movable 3 major project parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.