LED lamp with open region formed between adjacent two LED chips
US10648657B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2019 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Jul 1, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED lamp includes: a lamp shell; a passive heat dissipating element having a heat sink, wherein the heat sink comprises fins and a base; a power source; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base of the heat sink; and a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein the light emitting surface include at least two LED chip sets having the LED chips, an open region is formed between adjacent two LED chips of the same LED chip set on the light emitting surface, the open region between any two adjacent LED chips of one of the two adjacent chip sets on the light emitting surface interlaces to and communicates with the open region between any two adjacent LED chips of another one of the chip sets on the light emitting surface in a radial direction of the light emitting surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.