公开(公告)号：US10854778B1

公开(公告)日：2020-12-01

申请号：US16835082

申请日：2020-03-30

Applicant: Soraa Laser Diode, Inc.

Inventor： James W. Raring ,  Melvin McLaurin ,  Alexander Sztein ,  Po Shan Hsu

IPC: H01L33/00 ,  H01L29/205 ,  H01L23/00 ,  H01L29/66 ,  H01S5/02 ,  H01L21/683 ,  H01S5/227 ,  H01L27/12 ,  H01L27/06 ,  H01L33/32 ,  H01L27/088 ,  H01L29/20 ,  H01L27/15 ,  H01L33/06 ,  H01L21/311 ,  H01S5/343 ,  H01L21/02

Abstract: A method for manufacturing a display panel comprising light emitting device including micro LEDs includes providing multiple donor wafers having a surface region and forming an epitaxial material overlying the surface region. The epitaxial material includes an n-type region, an active region comprising at least one light emitting layer overlying the n-type region, and a p-type region overlying the active layer region. The multiple donor wafers are configured to emit different color emissions. The epitaxial material on the multiple donor wafers is patterned to form a plurality of dice, characterized by a first pitch between a pair of dice less than a design width. At least some of the dice are selectively transferred from the multiple donor wafers to a common carrier wafer such that the carrier wafer is configured with different color emitting LEDs. The different color LEDs could comprise red-green-blue LEDs to form a RGB display panel.

公开(公告)号：US10816801B2

公开(公告)日：2020-10-27

申请号：US15913674

申请日：2018-03-06

Applicant: Soraa Laser Diode, Inc.

Inventor： Paul Rudy ,  James W. Raring ,  Eric Goutain ,  Hua Huang

IPC: G02B27/01 ,  G02B6/00 ,  H01S5/40 ,  H01S5/32 ,  G02B27/42 ,  H01S5/00 ,  H01S5/022 ,  H01S5/10 ,  H01S5/20 ,  H01S5/22 ,  H01S5/343 ,  H01S5/30

Abstract: 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.

公开(公告)号：US20200274333A1

公开(公告)日：2020-08-27

申请号：US16791652

申请日：2020-02-14

Applicant: Soraa Laser Diode, Inc.

Inventor： Dan Steigerwald ,  Melvin McLaurin ,  Eric Goutain ,  Alexander Sztein ,  Po Shan Hsu ,  Paul Rudy ,  James W. Raring

IPC: H01S5/40 ,  H01S5/343 ,  H01S5/22 ,  H01S5/02 ,  H01S5/042

Abstract: 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.

公开(公告)号：US10749315B2

公开(公告)日：2020-08-18

申请号：US15820160

申请日：2017-11-21

Applicant: Soraa Laser Diode, Inc.

Inventor： Melvin McLaurin ,  Alexander Sztein ,  Po Shan Hsu ,  Eric Goutain ,  James W. Raring ,  Paul Rudy ,  Vlad Novotny

IPC: H01S5/40 ,  H01L33/00 ,  H01S5/323 ,  H01L23/00 ,  H01S5/02 ,  H01S5/022 ,  H01S5/22

Abstract: A multi-wavelength light emitting device is manufactured by forming first and second epitaxial materials overlying first and second surface regions. The first and second epitaxial materials are patterned to form a plurality of first and second epitaxial dice. At least one of the first plurality of epitaxial dice and at least one of the second plurality of epitaxial dice are transferred from first and second substrates, respectively, to a carrier wafer by selectively etching a release region, separating from the substrate each of the epitaxial dice that are being transferred, and selectively bonding to the carrier wafer each of the epitaxial dice that are being transferred. The transferred first and second epitaxial dice are processed on the carrier wafer to form a plurality of light emitting devices capable of emitting at least a first wavelength and a second wavelength.

公开(公告)号：US20200244046A1

公开(公告)日：2020-07-30

申请号：US16844299

申请日：2020-04-09

Applicant: Soraa Laser Diode, Inc.

Inventor： Melvin McLaurin ,  Alexander Sztein ,  Po Shan Hsu ,  Eric Goutain ,  James W. Raring ,  Paul Rudy ,  Vlad Novotny

IPC: H01S5/40 ,  H01S5/022 ,  H01S5/02 ,  H01L23/00 ,  H01S5/323 ,  H01L33/00

Abstract: A multi-wavelength light emitting device is manufactured by forming first and second epitaxial materials overlying first and second surface regions. The first and second epitaxial materials are patterned to form a plurality of first and second epitaxial dice. At least one of the first plurality of epitaxial dice and at least one of the second plurality of epitaxial dice are transferred from first and second substrates, respectively, to a carrier wafer by selectively etching a release region, separating from the substrate each of the epitaxial dice that are being transferred, and selectively bonding to the carrier wafer each of the epitaxial dice that are being transferred. The transferred first and second epitaxial dice are processed on the carrier wafer to form a plurality of light emitting devices capable of emitting at least a first wavelength and a second wavelength.

公开(公告)号：US20200233292A1

公开(公告)日：2020-07-23

申请号：US16252570

申请日：2019-01-18

Applicant: Soraa Laser Diode, Inc.

Inventor： Paul Rudy ,  James W. Raring ,  Eric Goutain

IPC: G03B21/20 ,  H04N5/74 ,  H04N9/31 ,  H01S5/40 ,  H01S5/22

Abstract: 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 to receive the laser emission in a range of angles of incidence to a spot on a primary surface with a size greater than 5 μm. 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 at least partially with laser emission to produce a white light emission. Additionally, the system includes a fiber coupled to the phosphor member to capture the white light emission to deliver the white light emission to a remote lighthead or distribute the white light emission directly.

公开(公告)号：US20200232611A1

公开(公告)日：2020-07-23

申请号：US16597795

申请日：2019-10-09

Applicant: Soraa Laser Diode, Inc.

Inventor： James W. Raring ,  Paul Rudy ,  Sten Heikman ,  Ryan Gresback ,  Julian Carey

IPC: F21K9/61 ,  F21V8/00 ,  F21K9/64

Abstract: 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.

公开(公告)号：US10720757B1

公开(公告)日：2020-07-21

申请号：US16217359

申请日：2018-12-12

Applicant: Soraa Laser Diode, Inc.

Inventor： James W. Raring ,  Melvin McLaurin ,  Paul Rudy ,  Po Shan Hsu ,  Alexander Sztein

IPC: H01S5/343 ,  H01S5/02 ,  H01S5/042 ,  H01S5/22

Abstract: A method for fabricating a laser diode device includes providing a gallium and nitrogen containing substrate member comprising a surface region, a release material overlying the surface region, an n-type gallium and nitrogen containing material; an active region overlying the n-type gallium and nitrogen containing material, a p-type gallium and nitrogen containing material; and a first transparent conductive oxide material overlying the p-type gallium and nitrogen containing material, and an interface region overlying the first transparent conductive oxide material. The method includes bonding the interface region to a handle substrate and subjecting the release material to an energy source to initiate release of the gallium and nitrogen containing substrate member.

公开(公告)号：US20200224831A1

公开(公告)日：2020-07-16

申请号：US16835003

申请日：2020-03-30

Applicant: Soraa Laser Diode, Inc.

Inventor： Eric Goutain ,  James W. Raring ,  Paul Rudy ,  Hua Huang

IPC: F21K9/60 ,  F21K9/62 ,  F21K9/64 ,  H01S5/024 ,  F21V29/71 ,  H01S5/323 ,  F21V23/06 ,  H01S5/022 ,  H01S5/40 ,  G02B6/42 ,  B82Y20/00 ,  H01S5/00 ,  G02B6/27 ,  F21V8/00 ,  G02B6/26 ,  H01S5/343 ,  F21V29/83 ,  F21V9/30 ,  H01S5/22

Abstract: A method and device for emitting electromagnetic radiation at high power using nonpolar or semipolar gallium containing substrates such as GaN, AlN, InN, InGaN, AlGaN, and AlInGaN, is provided. In various embodiments, the laser device includes plural laser emitters emitting green or blue laser light, integrated a substrate.

公开(公告)号：US10649086B2

公开(公告)日：2020-05-12

申请号：US16270448

申请日：2019-02-07

Applicant: Soraa Laser Diode, Inc.

Inventor： James W. Raring ,  Melvin McLaurin ,  Paul Rudy ,  Vlad Novotny

IPC: G01S17/10 ,  G01S17/89 ,  G01S7/481 ,  F21K9/64 ,  H01S5/00 ,  H01S5/024 ,  F21V29/70 ,  G01S7/487 ,  H01S5/022 ,  G01S17/93 ,  G01S17/02 ,  H01S5/343 ,  H01S5/40 ,  H01S5/028 ,  H01S5/22 ,  H01S5/02

Abstract: 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.