LASER-BASED WAVEGUIDE-COUPLED WHITE LIGHT SYSTEM FOR A LIGHTING APPLICATION

    公开(公告)号:US20200232610A1

    公开(公告)日:2020-07-23

    申请号:US16597791

    申请日:2019-10-09

    摘要: A laser-based fiber-coupled white light system is provided. The system includes a laser device comprising a gallium and nitrogen containing emitting region having an output facet configured to output a laser emission with a first wavelength ranging from 385 nm to 495 nm. The system further includes a phosphor member integrated with light collimation elements. The phosphor member converts the laser emission with the first wavelength to a phosphor emission with a second wavelength in either reflective or transmissive mode and mixed partially with laser emission to produce a white light emission. The system includes a transport fiber coupled to the phosphor member via the light collimation elements to receive the white light emission and deliver the white light emission remotely to one or more passive luminaries substantially free of electrical or moving parts disposed at remote distances from a dedicated source area.

    Manufacturable multi-emitter laser diode

    公开(公告)号:US10566767B2

    公开(公告)日:2020-02-18

    申请号:US15351326

    申请日:2016-11-14

    摘要: A multi-emitter laser diode device includes a carrier chip singulated from a carrier wafer. The carrier chip has a length and a width, and the width defines a first pitch. The device also includes a plurality of epitaxial mesa dice regions transferred to the carrier chip from a substrate and attached to the carrier chip at a bond region. Each of the epitaxial mesa dice regions is arranged on the carrier chip in a substantially parallel configuration and positioned at a second pitch defining the distance between adjacent epitaxial mesa dice regions. Each of the plurality of epitaxial mesa dice regions includes epitaxial material, which includes an n-type cladding region, an active region having at least one active layer region, and a p-type cladding region. The device also includes one or more laser diode stripe regions, each of which has a pair of facets forming a cavity region.

    Lidar systems including a gallium and nitrogen containing laser light source

    公开(公告)号:US10222474B1

    公开(公告)日:2019-03-05

    申请号:US15841053

    申请日:2017-12-13

    摘要: The present disclosure provides a mobile machine including a laser diode based lighting system having an integrated package holding at least a gallium and nitrogen containing laser diode and a wavelength conversion member. The gallium and nitrogen containing laser diode is configured to emit a first laser beam with a first peak wavelength. The wavelength conversion member is configured to receive at least partially the first laser beam with the first peak wavelength to excite an emission with a second peak wavelength that is longer than the first peak wavelength and to generate the white light mixed with the second peak wavelength and the first peak wavelength. The mobile machine further includes a light detection and ranging (LIDAR) system configured to generate a second laser beam and manipulate the second laser beam to sense a spatial map of target objects in a remote distance.

    WEARABLE LASER BASED DISPLAY METHOD AND SYSTEM

    公开(公告)号:US20180239148A1

    公开(公告)日:2018-08-23

    申请号:US15913674

    申请日:2018-03-06

    IPC分类号: G02B27/01

    摘要: The present invention is directed to wearable display technologies. More specifically, various embodiments of the present invention provide wearable augmented reality glasses incorporating projection display systems where one or more laser diodes are used as light source for illustrating images with optical delivery to the eye using transparent waveguides. In one set of embodiments, the present invention provides wearable augmented reality glasses incorporating projector systems that utilize transparent waveguides and blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides wearable augmented reality glasses incorporating projection systems having digital lighting processing engines illuminated by blue and/or green laser devices with optical delivery to the eye using transparent waveguides. In one embodiment, the present invention provides wearable augmented reality glasses incorporating a 3D display system with optical delivery to the eye using transparent waveguides. There are other embodiments as well.