Light source and display device using the same
US10128415B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Jun 6, 2016 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Sep 16, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133624
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light source for a display device, includes: a first LED chip emitting a first light having a peak located within the range of wavelengths 380 nm to 500 nm, and a second LED chip emitting a second light having a peak located within the range of wavelengths 380 nm to 500 nm, wherein the peak wavelength of the second light is longer than the peak wavelength of the first light, and the difference between the peak wavelength of the second light and the peak wavelength of the first light is less than 40 nm and greater than or equal to 10 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.