公开(公告)号：US10649215B2

公开(公告)日：2020-05-12

申请号：US16171206

申请日：2018-10-25

Applicant: NORTH INC.

Inventor： Douglas R. Dykaar

IPC: H01S5/40 ,  G02B27/01 ,  H04N9/31 ,  H01S5/042 ,  H01S5/022 ,  G02B26/10 ,  G02B27/09 ,  G02B27/30 ,  H01S5/42

Abstract: Systems, devices, and methods for optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. The optical engines include an optical director element that includes a curved reflective surface (e.g., parabolic cylinder) that redirects laser light beams and collimates the same along the fast axes thereof. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

公开(公告)号：US10571703B2

公开(公告)日：2020-02-25

申请号：US16216925

申请日：2018-12-11

Applicant: North Inc.

Inventor： Jörg Pierer ,  Rony Jose James ,  Stefan Mohrdiek ,  Douglas R. Dykaar

IPC: G02B27/01 ,  G02B27/14 ,  G02B27/18 ,  G03B21/20 ,  G03B21/00 ,  G02B6/12 ,  G02B6/124 ,  H01S5/022 ,  H01S5/40 ,  G02B6/13 ,  G02B27/10 ,  G03B33/12 ,  H04N9/31 ,  G02B6/42 ,  G02B27/42

Abstract: Systems, devices, and methods of manufacturing optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. Photonic integrated circuits having grating couplers thereon may be used to wavelength multiplex beams of light emitted by the plurality of laser diodes into a coaxially superimposed aggregate beam. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

公开(公告)号：US20190196208A1

公开(公告)日：2019-06-27

申请号：US16216918

申请日：2018-12-11

Applicant: North Inc.

Inventor： Jörg Pierer ,  Rony Jose James ,  Stefan Mohrdiek ,  Douglas R. Dykaar

IPC: G02B27/14 ,  G02B27/01 ,  G02B27/10 ,  G03B33/12 ,  H04N9/31

CPC classification number: G02B27/0172 ,  G02B6/12004 ,  G02B6/124 ,  G02B6/13 ,  G02B6/42 ,  G02B6/4214 ,  G02B27/0101 ,  G02B27/0176 ,  G02B27/1086 ,  G02B27/141 ,  G02B27/18 ,  G02B27/4205 ,  G02B2006/12107 ,  G02B2006/12147 ,  G02B2006/12164 ,  G02B2027/011 ,  G02B2027/0114 ,  G02B2027/0116 ,  G02B2027/0134 ,  G02B2027/014 ,  G02B2027/015 ,  G02B2027/0178 ,  G03B21/008 ,  G03B21/2033 ,  G03B21/2066 ,  G03B33/12 ,  H01S5/02208 ,  H01S5/02224 ,  H01S5/02248 ,  H01S5/0226 ,  H01S5/02272 ,  H01S5/02288 ,  H01S5/02292 ,  H01S5/02296 ,  H01S5/4012 ,  H01S5/4093 ,  H04N9/3129 ,  H04N9/3161

Abstract: Systems, devices, and methods of manufacturing optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. Photonic integrated circuits having grating couplers thereon may be used to wavelength multiplex beams of light emitted by the plurality of laser diodes into a coaxially superimposed aggregate beam. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

公开(公告)号：US20190179151A1

公开(公告)日：2019-06-13

申请号：US16216925

申请日：2018-12-11

Applicant: North Inc.

Inventor： Jörg Pierer ,  Rony Jose James ,  Stefan Mohrdiek ,  Douglas R. Dykaar

IPC: G02B27/01 ,  H01S5/022 ,  G02B6/12 ,  G02B27/42 ,  H01S5/40 ,  G02B6/124

Abstract: Systems, devices, and methods of manufacturing optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. Photonic integrated circuits having grating couplers thereon may be used to wavelength multiplex beams of light emitted by the plurality of laser diodes into a coaxially superimposed aggregate beam. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

公开(公告)号：US10656353B2

公开(公告)日：2020-05-19

申请号：US16231019

申请日：2018-12-21

Applicant: NORTH INC.

Inventor： Jörg Pierer ,  Rony Jose James ,  Stefan Mohrdiek ,  Martin Joseph Kiik ,  Syed Moez Haque ,  Douglas R. Dykaar

IPC: G02B6/12 ,  G02B6/42 ,  G02B27/01 ,  H01S5/40 ,  G02B6/124 ,  H01S5/022 ,  G02B27/42 ,  H01S5/42 ,  H01S5/026 ,  H01S5/042 ,  G02B27/10 ,  G03B21/20 ,  H04N9/31 ,  G02B6/125 ,  G02B6/13 ,  G02B27/14 ,  G02B26/10 ,  H01S5/02

Abstract: Systems, devices, and methods of manufacturing optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. Photonic integrated circuits having grating or edge couplers thereon may be used to wavelength multiplex beams of light emitted by the plurality of laser diodes into a coaxially superimposed aggregate beam. A waveguide medium having one or more directly written waveguides may couple light from laser diodes to a photonic integrated circuit, and may optionally hermetically or partially hermetically seal the laser diodes, eliminating the need for a separate seal. Such optical engines may have advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

公开(公告)号：US10466488B2

公开(公告)日：2019-11-05

申请号：US16046430

申请日：2018-07-26

Applicant: NORTH INC.

Inventor： Douglas R. Dykaar

IPC: H01S5/028 ,  G02B27/01 ,  H04N9/31 ,  H01S5/00 ,  H01S5/40

Abstract: Systems, devices, and methods for narrow waveband laser diodes are described. The conventional coating on the output facet of a laser diode is replaced with a notch filter coating that is reflective of wavelengths within a narrow waveband around the nominal output wavelength of the laser diode and transmissive of other wavelengths. The notch filter coating ensures the laser diode will lase at the nominal wavelength and not lase for wavelengths outside of the narrow waveband. The notch-filtered laser diode provides a narrow waveband output that is matched to the playback wavelength of at least one hologram in a transparent combiner of a wearable heads-up display, and thereby reduces or eliminates display aberrations that can result from wavelength sensitivity of the playback properties of the hologram.

公开(公告)号：US20190171017A1

公开(公告)日：2019-06-06

申请号：US16201770

申请日：2018-11-27

Applicant: North Inc.

Inventor： Jörg Pierer ,  Rony Jose James ,  Stefan Mohrdiek ,  Douglas R. Dykaar ,  Martin Joseph Kiik ,  Syed Moez Haque

IPC: G02B27/01 ,  H01S5/022 ,  H01S5/40

Abstract: Systems, devices, and methods of manufacturing optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

公开(公告)号：US20190121139A1

公开(公告)日：2019-04-25

申请号：US16171214

申请日：2018-10-25

Applicant: NORTH INC.

Inventor： Douglas R. Dykaar

IPC: G02B27/01 ,  H01S5/40 ,  H01S5/042 ,  H01S5/022 ,  H01S5/42

Abstract: Systems, devices, and methods for optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. The optical engines include an optical director element that includes a curved reflective surface (e.g., parabolic cylinder) that redirects laser light beams and collimates the same along the fast axes thereof. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

公开(公告)号：US20190199058A1

公开(公告)日：2019-06-27

申请号：US16216899

申请日：2018-12-11

Applicant: North Inc.

Inventor： Jörg Pierer ,  Rony Jose James ,  Stefan Mohrdiek ,  Douglas R. Dykaar

IPC: H01S5/022 ,  G02B6/42 ,  G02B27/01 ,  H01S5/40

CPC classification number: G02B27/0172 ,  G02B6/12004 ,  G02B6/124 ,  G02B6/13 ,  G02B6/42 ,  G02B6/4214 ,  G02B27/0101 ,  G02B27/0176 ,  G02B27/1086 ,  G02B27/141 ,  G02B27/18 ,  G02B27/4205 ,  G02B2006/12107 ,  G02B2006/12147 ,  G02B2006/12164 ,  G02B2027/011 ,  G02B2027/0114 ,  G02B2027/0116 ,  G02B2027/0134 ,  G02B2027/014 ,  G02B2027/015 ,  G02B2027/0178 ,  G03B21/008 ,  G03B21/2033 ,  G03B21/2066 ,  G03B33/12 ,  H01S5/02208 ,  H01S5/02224 ,  H01S5/02248 ,  H01S5/0226 ,  H01S5/02272 ,  H01S5/02288 ,  H01S5/02292 ,  H01S5/02296 ,  H01S5/4012 ,  H01S5/4093 ,  H04N9/3129 ,  H04N9/3161

Abstract: Systems, devices, and methods of manufacturing optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. Photonic integrated circuits having grating couplers thereon may be used to wavelength multiplex beams of light emitted by the plurality of laser diodes into a coaxially superimposed aggregate beam. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.

公开(公告)号：US20190179155A1

公开(公告)日：2019-06-13

申请号：US16201841

申请日：2018-11-27

Applicant: North Inc.

Inventor： Jörg Pierer ,  Rony Jose James ,  Stefan Mohrdiek ,  Douglas R. Dykaar ,  Martin Joseph Kiik ,  Syed Moez Haque

IPC: G02B27/01 ,  H01S5/022 ,  H01S5/40

Abstract: Systems, devices, and methods of manufacturing optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines of the present disclosure integrate a plurality of laser diodes (e.g., 3 laser diodes, 4 laser diodes) within a single, hermetically or partially hermetically sealed, encapsulated package. Such optical engines may have various advantages over existing designs including, for example, smaller volumes, better manufacturability, faster modulation speed, etc. WHUDs that employ such optical engines and laser projectors are also described.