White LED light source and method of making same
US10998471B2 · kind B2 · utility
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94References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 14, 2020 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Dec 14, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/84
Abstract
A light source that includes an LED light source, and one or more encapsulants containing a light-absorbing component that absorbs light in the wavelength range of about 415 nm to about 435 nm and can include at least one phosphor that can provide an LED light source that emits white light having a reduced amount of blue light or even toxic blue light with minimal effect on color characteristics such as correlated color temperature (CCT), color gamut, and luminance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.