Light emitting device with improved gratings and method for manufacturing the device
US10324258B2 · kind B2 · utility
4Cited by
9References
11Claims
0Family size
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Key dates
| Filing date | Apr 20, 2017 |
| Grant date | Jun 18, 2019 |
| Priority date | — |
| Expiry date | May 24, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S2301/173
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light emitting device, an optical module and a manufacturing method thereof are disclosed. According to an example of the disclosure, the light emitting device may comprise an optical waveguide chip, a light emitting chip and a grating between the light emitting chip and the optical waveguide chip. The light emitting chip may emit laser light. The grating may couple the laser light emitted from the active layer into the optical waveguide chip in a way that the laser light is output along a length direction of the optical waveguide chip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.