CN106353889A - Optical device - Google Patents
Optical device Download PDFInfo
- Publication number
- CN106353889A CN106353889A CN201510442934.5A CN201510442934A CN106353889A CN 106353889 A CN106353889 A CN 106353889A CN 201510442934 A CN201510442934 A CN 201510442934A CN 106353889 A CN106353889 A CN 106353889A
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- China
- Prior art keywords
- optical devices
- light beam
- light
- lens
- diode
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
Abstract
The invention provides an optical device which comprises a light sensing diode unit, a lens and a micro-structure unit. The micro-structure unit is arranged between the light sensing diode unit and the lens and is used for receiving a plurality of light beams transmitted through the lens and then changing advancing directions of the multiple light beams, so that at least partial light beams among the multiple light beams can advance towards the direction of the light sensing diode unit. The optical device has the advantage that light collecting effects of the light sensing diode unit can be improved.
Description
Technical field
The present invention with regard to a kind of Optical devices, especially with respect to a kind of Optical devices with microstructure unit.
Background technology
In recent years, the flourishing of the evolution with electronics industry and industrial technology, various electronic installations set
The trend of meter and exploitation gradually develops towards direction that is light, being easy to carry about with one, is applied whenever and wherever possible with sharp user
In purposes such as Mobile business, amusement or leisure.For example, Optical devices miscellaneous are just extensively applied
In various fields, the such as portable electronic devices such as intelligent mobile phone, Wearable electronic installation, it has body
Advantage that is long-pending little and being convenient for carrying, user is able to when having use demand take out at any time and carry out image capture
And store, or be further transmitted through mobile network and be uploaded among the Internet, not only there is important commercial value,
Typically popular daily life is more allowed more to add color.
Furthermore, with the lifting of quality of life, people are to the Optical devices that can be applicable to portable electronic devices
There are more demands, use the function of making portable electronic devices bring more conveniences, for example, light
Learn device to can pass through the output of its laser beam and receive to carry out distance measuring, such as flight time quantum is away from (time of
Flight, tof) technology etc., but either capture 2d or 3d image, carry out distance measurements through Optical devices
Survey or be any sensing behavior, the receipts light effect (receiving light rate) of Optical devices will be impact total quality
One of key factor, only not yet have the simple and inexpensive mode of processing procedure to be suggested to increase such light at present
Learn the receipts light effect of device.
Additionally, Optical devices are not simultaneously limitation applying on portable electronic devices as above, China
Taiwan patent of invention the i-th 477759 notification number discloses a kind of light of the physiological parameter in order to detect biological tissue
Learn detector, its be through microstructure unit make light beam that light-emitting component provided after diffraction can quantity set
In in the diffraction light of certain single order, and then enable amount concentrates on the diffraction light of certain single order and injects and optical detection apparatus
The biological tissue contacting, then from biological tissue scatters and the light beam that reflects again via waveguide guiding and
It is transferred to light detecting unit, use the light intensity that lifting light detecting unit is received；Wherein, this optics is detectd
Survey the measurement that device is only applicable to contact, and its microstructure unit is only in order to make received light beam become energy
Amount concentrates on the diffraction light of certain single order, but does not have the effect of light guiding.
According to above explanation, existing Optical devices also have the space of development.
Content of the invention
The technical problem to be solved in the present invention is, for deficiencies of the prior art, provides one kind
The Optical devices of the receipts light effect (receiving light rate) of light sensation diode can be increased.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of Optical devices, including light sensation
Diode, lens and luminous source, this lens are provided with and correspond to this light sensation diode
Microstructure unit；This luminous source is in order to provide multiple first light beams, and the plurality of first light beam is in saturating through this
It is transferred to an object after mirror, and reflection is produced on this object；Wherein, this microstructure unit in order to
Receive the plurality of first light beam being reflected simultaneously and then passed through by producing on this object this lens, and it is many to change this
The conduct direction of individual first light beam, so that at least part of light beam in the plurality of first light beam is toward this light sensation two pole
Advance in the direction of pipe unit.
It is preferred that this lens has a corresponding first surface and a second surface, and this light sensation two pole
Pipe unit and this luminous source are positioned at the side of this first surface, and this object is located at the one of this second surface
Side.
It is preferred that at least one of this first surface and this second surface are a plane, or this first table
At least one of face and this second surface are a curved surface.
It is preferred that this microstructure unit is formed at least part of place of this first surface, and this luminous source is carried
For the plurality of first light beam be transmitted after this first surface and this second surface of this lens in sequentially
To this object, and by produce on this object the plurality of first light beam of reflection in by this lens this
It is transferred to this microstructure unit so that at least part of light beam in the plurality of first light beam is toward this behind two surfaces
Advance in the direction of light sensation diode.
It is preferred that this luminous source is also in order to provide multiple second light beams, and the plurality of second light beam does not pass through this
Lens are simultaneously directly delivered to this light sensation diode；Wherein, this Optical devices is according to this light sensation diode
Unit receives this first light beam and the time difference that receives this second light beam and obtains this object and this optics
One distance of device.
It is preferred that this luminous source includes laser diode (ld), light emitting diode (led), organic light emission
Diode (oled) and in order to export in a luminescence unit of the light beam with a thermoinduction range of wavelengths
At least one.
It is preferred that this Optical devices is portable electronic devices.
It is preferred that this lens is combined with a housing of this portable electronic devices.
It is preferred that this at least part of light beam in the plurality of first light beam is to have the interval light of a specific wavelength
Bundle.
It is preferred that this microstructure unit includes diffraction optical element (doe), or, this microstructure unit has
There is a Fresnel surface (fresnel surface), or, this microstructure unit includes this diffraction optical element simultaneously
There is this Fresnel surface.
It is preferred that this Optical devices is not contacted with this object.
The present invention also provides a kind of Optical devices, including light sensation diode, lens and microstructure unit,
This microstructure unit is arranged between this light sensation diode and this lens；Wherein, this microstructure unit in
Receive and change the conduct direction of those the first light beams through after multiple first light beams of this lens so that those the
At least part of light beam in one light beam is advanced toward the direction of this light sensation diode.
It is preferred that this microstructure unit is formed on this lens, or, this microstructure unit is formed at this light
On sense diode.
It is preferred that this lens is combined with a housing of an electronic installation.
It is preferred that this Optical devices also includes this electronic installation and/or this housing.
It is preferred that this at least part of light beam in the plurality of first light beam is to have the interval light of a specific wavelength
Bundle.
It is preferred that this microstructure unit includes diffraction optical element (doe), or, this microstructure unit has
There is a Fresnel surface (fresnel surface), or, this microstructure unit includes this diffraction optical element simultaneously
There is this Fresnel surface.
It is preferred that this Optical devices also includes another light sensation diode and another microstructure unit, and
This another microstructure unit changes the plurality of second light beam after receiving through multiple second light beams of this lens
Conduct direction, so that at least part of light beam in the plurality of second light beam is toward this another light sensation diode
Advance in direction.
It is preferred that this Optical devices also includes at least one luminous source, its in order to provide the plurality of first light beam and/
Or multiple second light beam.
It is preferred that this at least one luminous source includes laser diode (ld), light emitting diode (led), has
Machine light emitting diode (oled) and luminous single in order to export one of the light beam with a thermoinduction range of wavelengths
At least one of unit.
The present invention is through setting microstructure unit, mat between the lens and light sensation diode of Optical devices
With by through lens and be transferred to the light beam of microstructure unit and guide to light sensation diode, and then increase
The receipts light effect (receiving light rate) of light sensation diode, and this Optical devices processing procedure proposed by the invention is simple
And low cost.
Brief description
Fig. 1: for Optical devices of the present invention in the structural representation of the first preferred embodiment.
Fig. 2: for Optical devices of the present invention in the structural representation of the second preferred embodiment.
Fig. 3: for Optical devices of the present invention in the structural representation of the 3rd preferred embodiment.
Fig. 4: the part-structure schematic diagram of Optical devices shown in Fig. 3.
Fig. 5: for Optical devices of the present invention in the structural representation of the 4th preferred embodiment.
Fig. 6: a preferred application embodiment of Optical devices shown in Fig. 5.
Fig. 7: for Optical devices of the present invention in the part-structure schematic diagram of the 5th preferred embodiment.
Fig. 8: the arrangement schematic diagram of the luminous source of Optical devices and light sensation diode shown in Fig. 7.
Fig. 9: for Optical devices of the present invention in the part-structure schematic diagram of the 6th preferred embodiment.
Specific embodiment
Refer to Fig. 1, it is Optical devices of the present invention in the structural representation of the first preferred embodiment.Optics fills
Put 1a and include light sensation diode 11, lens 12 and microstructure unit 13, and microstructure unit 13
It is arranged between light sensation diode 11 and lens 12.In this preferred embodiment, lens 12 include phase
Corresponding first surface 121 and second surface 122, and microstructure unit 13 is according to practical application request
It is formed at the part on first surface 121 or whole, and light sensation diode 11 then corresponds to micro- knot
The suitable place of the side of structure unit 13 first surface 121 in lens 12 for the position.In addition although diagram in
First surface 121 and second surface 122 be all plane, but be not limited, first surface 121 with
And any one of second surface 122 also can be designed to curved surface according to practical application request.
Wherein, when multiple light beam l1 of the side of the second surface 122 from lens 12 penetrate lens 12 simultaneously
When being incident upon microstructure unit 13 and being received by microstructure unit 13, microstructure unit 13 can change those light
The conduct direction of bundle l1, makes at least part of light beam in those light beams l1 toward the side of light sensation diode 11
To traveling, and then lift the receipts light effect (receiving light rate) of light sensation diode 11.
Furthermore, microstructure unit 13 has the micro structured pattern designing according to practical application request
(not shown), in order to carry out beam shaping (beam shaping) to by those light beams l1 therein, makes
The light beam l1 that must export is able to Flexible change, uses and for those light beams l1 to be directed to light sensation diode 11；
Wherein, how to make through design micro structured pattern by wherein and the light beam that exports meets the demand of user
By the art, those of ordinary skill is known, therefore here is no longer repeated.
In this preferred embodiment, microstructure unit 13 is diffraction optical element (doe), and/or is to have
The thin film of Fresnel surface (fresnel surface), and/or be to be laminated by multiple micro structured pattern；
Furthermore, microstructure unit 13 can also be made by wavelength sensitive material (wavelength-sensitive material)
Become, but be not limited, its purpose mainly has the interval light beam of specific wavelength in order to filter out, and uses
Only it is directed to light sensation diode 11 by having the interval light beam of specific wavelength.
Refer to Fig. 2, it is Optical devices of the present invention in the structural representation of the second preferred embodiment.Wherein,
The Optical devices 1b of this preferred embodiment is approximately similar to person described in the present invention first preferred embodiment, here
No longer repeated.And this preferred embodiment and aforementioned first preferred embodiment difference are, micro- knot
Structure unit 13 is formed on light sensation diode 11, consequently, it is possible to part originally will not be by light sensation two
(the conduct direction of script is the light beam shown in dotted arrow in diagram to the light beam l2 that pole pipe unit 11 is sensed
L2 ') light sensation diode 11 can be directed to (as in figure carries the light of solid arrow by microstructure unit 13
Bundle l2 ").
Refer to Fig. 3 and Fig. 4, Fig. 3 be Optical devices of the present invention in the structural representation of the 3rd preferred embodiment,
Fig. 4 is the part-structure schematic diagram of Optical devices shown in Fig. 3.Wherein, the Optical devices of this preferred embodiment
1c is approximately similar to person described in the present invention first preferred embodiment, and here is no longer repeated.And this is relatively
Good embodiment is with aforementioned first preferred embodiment difference, and Optical devices 1c is a portable electronic dress
Put, such as mobile phone, panel computer or Wearable device etc., but be not limited with above-mentioned, and Optical devices 1c more wraps
Include the housing 14 combining with lens 12, and light sensation diode 11 is then arranged at what housing 14 was surrounded
In accommodation space 141.
Refer to Fig. 5, it is Optical devices of the present invention in the structural representation of the 4th preferred embodiment.Wherein,
The Optical devices 1d of this preferred embodiment is approximately similar to person described in the aforementioned each preferred embodiment of the present invention,
This is no longer repeated.And this preferred embodiment and aforementioned each preferred embodiment difference are, optics
Device 1d further includes a luminous source 15, and it is located at the side of first surface 121, and in order to provide multiple light
Bundle l41, and those light beams l41 is in sequentially by first surface 121 and the second surface 122 of lens 12
Outwards export afterwards, the light beam providing needed for practical application is provided.
In this preferred embodiment, luminous source 15 can for laser diode (ld), light emitting diode (led),
Organic Light Emitting Diode (oled) or similar to laser diode, light emitting diode, Organic Light Emitting Diode
Etc. other light-emitting components of semiconductor type, and light beam l41 (can such as may be used for having the interval light beam of first wave length
See light beam) and/or there is the interval light beam of second wave length (as invisible light beam or the light with thermoinduction wavelength
Bundle), but be not limited with above-mentioned.
Refer to Fig. 6, it is a preferred application embodiment of Optical devices shown in Fig. 5.Real in this preferred application
Apply in example, Optical devices 1d ' in order to be pointed to lens 12 second surface 122 side an object 2 (not
It is contacted with Optical devices 1d ') found range.In detail, luminous source 15 provide multiple first light beam l41 with
And multiple second light beam l42, and multiple first light beam l41 is in the first surface 121 sequentially passing through lens 12
And after second surface 122, it is transferred to object 2, and multiple second light beam l42 does not then pass through lens 12
And it is directly delivered to light sensation diode 11；Wherein, multiple first light beam l41 can be in being transferred to mesh
The second surface 122 that the multiple first light beam l41 ' after reflection, and reflection pass through lens 12 is produced after mark thing 2
And and then be transferred to microstructure unit 13, microstructure unit 13 is again by the multiple first light beam l41 ' being received
It is directed to light sensation diode 11.Therefore Optical devices 1d ' can receive according to light sensation diode 11
Multiple first light beam l41 ' and receive the time difference of multiple second light beam l42 and obtain object 2 and optics
The distance of device 1d '.
Refer to Fig. 7 and Fig. 8, Fig. 7 shows in the part-structure of the 5th preferred embodiment for Optical devices of the present invention
It is intended to, Fig. 8 is the arrangement schematic diagram of the luminous source of Optical devices and light sensation diode shown in Fig. 7.
Wherein, the Optical devices 1e of this preferred embodiment is approximately similar to described in the aforementioned each preferred embodiment of the present invention
Person, here is no longer repeated.And this preferred embodiment and aforementioned each preferred embodiment difference are,
Optical devices 1e includes multiple luminous source 15a～15i and corresponds to the multiple of those luminous sources 15a～15i
It is formed with light sensation diode 11a～11i, and the first surface 121 of lens 12 and correspond to those light
Multiple microstructure unit 13a～13i (only drawing 13a～13c in Fig. 7) of sense diode 11a～11i；Its
In, those luminous sources 15a～15i and those light sensation diodes 11a～11i is with cross setting
Mode be in matrix form arrange, and each light sensation diode 11a～11i can have respective receipts optic angle and
Response curve (has different responses to the interval light beam of different wave length).
Only, above are only an embodiment, be not limited thereto, the art those of ordinary skill can foundation
Practical application request and carry out any equalization design for change；For example, the quantity of those luminous sources, should
A little quantity of light sensation diode and the quantity of those microstructure units do not limit identical, and those are luminous
Source and those light sensation diodes are not limited to arranged in arrays.
Refer to Fig. 9, it is Optical devices of the present invention in the part-structure schematic diagram of the 6th preferred embodiment.Its
In, the Optical devices 1f of this preferred embodiment is approximately similar to person described in the present invention the 5th preferred embodiment,
Here is no longer repeated.And this preferred embodiment and the 5th preferred embodiment difference are, the 5th
Those luminous sources 15a～15c of the Optical devices 1e of preferred embodiment and those light sensation diodes
11a～11c is shared lens 12, and the Optical devices 1f in this preferred embodiment includes multiple lens
12a～12c, and each lens 12a～12c be respectively with single radiation source 15a～15c and single light sensation two pole
Pipe unit 11a～11c matches.
The explanation of comprehensive above each preferred embodiment, the present invention is through in the lens of Optical devices and light sensation two pole
Between pipe unit, setting has the microstructure unit of the micro structured pattern after design, uses through lens simultaneously
The light beam being transferred to microstructure unit guides to light sensation diode, and then increases light sensation diode
Receipts light effect (receive light rate), and because Optical devices processing procedure proposed by the invention is simple and inexpensive, therefore
Great industrial utilization.
The foregoing is only presently preferred embodiments of the present invention, be not limited to scope of the presently claimed invention,
Therefore all other, without departing from the equivalent change being completed under disclosed spirit or modification, all should comprise
In the scope of patent protection of the present invention.
Claims (20)
1. a kind of Optical devices are it is characterised in that include:
Light sensation diode；
Lens, are provided with the microstructure unit corresponding to this light sensation diode；And
Luminous source, in order to provide multiple first light beams, and the plurality of first light beam is in being passed through after this lens
Transport to an object, and reflection is produced on this object；
Wherein, this microstructure unit is in order to receive by generation reflection on this object and and then to pass through this lens
The plurality of first light beam, and change the conduct direction of the plurality of first light beam, so that in the plurality of first light beam
At least part of light beam toward this light sensation diode direction advance.
2. Optical devices as claimed in claim 1 are it is characterised in that this lens has corresponding 1
One surface and a second surface, and this light sensation diode and this luminous source are located at this first surface
Side, and this object is located at the side of this second surface.
3. Optical devices as claimed in claim 1 are it is characterised in that this first surface and this second table
At least one of face is a plane, or at least one of this first surface and this second surface are a song
Face.
4. Optical devices as claimed in claim 2 it is characterised in that this microstructure unit be formed at this
At least part of place on one surface, and the plurality of first light beam that this luminous source is provided passes through this lens in sequentially
This first surface and this second surface after be transferred to this object, and by this object produce reflection
The plurality of first light beam in being transferred to this microstructure unit after this second surface of this lens so that
At least part of light beam in the plurality of first light beam is advanced toward the direction of this light sensation diode.
5. Optical devices as claimed in claim 1 are it is characterised in that this luminous source is also multiple in order to provide
Second light beam, and the plurality of second light beam do not pass through this lens and is directly delivered to this light sensation diode；
Wherein, this Optical devices receives this first light beam according to this light sensation diode and receives this second light beam
A time difference and obtain a distance of this object and this Optical devices.
6. Optical devices as claimed in claim 1 it is characterised in that this luminous source include laser diode,
Light emitting diode, Organic Light Emitting Diode and in order to export the light beam with a thermoinduction range of wavelengths one
At least one of luminescence unit.
7. Optical devices as claimed in claim 1 are it is characterised in that this Optical devices is portable electronic
Device.
8. Optical devices as claimed in claim 7 are it is characterised in that this lens is filled with this portable electronic
The housing put combines.
9. Optical devices as claimed in claim 1 it is characterised in that in the plurality of first light beam this extremely
Small part light beam is to have the interval light beam of a specific wavelength.
10. Optical devices as claimed in claim 1 are it is characterised in that this microstructure unit includes diffraction
Optical element, or, this microstructure unit has a Fresnel surface, or, this microstructure unit includes
This diffraction optical element simultaneously has this Fresnel surface.
11. Optical devices as claimed in claim 1 it is characterised in that this Optical devices not with this target
Thing contacts.
A kind of 12. Optical devices are it is characterised in that include:
Light sensation diode；
Lens；And
Microstructure unit, is arranged between this light sensation diode and this lens；
Wherein, this microstructure unit changes those the first light after receiving through multiple first light beams of this lens
The conduct direction of bundle, so that at least part of light beam in those first light beams is toward the side of this light sensation diode
To traveling.
13. Optical devices as claimed in claim 12 are it is characterised in that this microstructure unit is formed at this
On lens, or, this microstructure unit is formed on this light sensation diode.
14. Optical devices as claimed in claim 12 are it is characterised in that this lens and an electronic installation
One housing combines.
15. Optical devices as claimed in claim 14 are it is characterised in that this Optical devices also includes this electricity
Sub-device and/or this housing.
16. Optical devices as claimed in claim 12 it is characterised in that in the plurality of first light beam should
At least partly light beam is to have the interval light beam of a specific wavelength.
17. Optical devices as claimed in claim 12 are it is characterised in that this microstructure unit includes diffraction
Optical element, or, this microstructure unit has a Fresnel surface, or, this microstructure unit includes
This diffraction optical element simultaneously has this Fresnel surface.
18. Optical devices as claimed in claim 12 it is characterised in that this Optical devices also include another
Light sensation diode and another microstructure unit, and this another microstructure unit in receive through this lens
Multiple second light beams after change the conduct direction of the plurality of second light beam, so that in the plurality of second light beam
At least partly light beam is advanced toward the direction of this another light sensation diode.
19. Optical devices as claimed in claim 12 are it is characterised in that this Optical devices is also included at least
One luminous source, it is in order to provide the plurality of first light beam and/or multiple second light beam.
20. Optical devices as claimed in claim 19 are it is characterised in that this at least one luminous source includes swashing
Optical diode, light emitting diode, Organic Light Emitting Diode and there is a thermoinduction range of wavelengths in order to export
An at least one of luminescence unit of light beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442934.5A CN106353889A (en) | 2015-07-24 | 2015-07-24 | Optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442934.5A CN106353889A (en) | 2015-07-24 | 2015-07-24 | Optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106353889A true CN106353889A (en) | 2017-01-25 |
Family
ID=57842826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510442934.5A Pending CN106353889A (en) | 2015-07-24 | 2015-07-24 | Optical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106353889A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115701A (en) * | 1976-12-09 | 1978-09-19 | General Electric Company | Coaxial reflex photoelectric scanner |
| TW315528B (en) * | 1995-09-29 | 1997-09-11 | Siemens Ag | |
| US5760885A (en) * | 1994-12-04 | 1998-06-02 | Seiko Epson Corporation | Light-sensing device |
| US20070181810A1 (en) * | 2006-02-06 | 2007-08-09 | Tan Michael R T | Vertical cavity surface emitting laser (VCSEL) array laser scanner |
| WO2014048832A1 (en) * | 2012-09-27 | 2014-04-03 | Osram Opto Semiconductors Gmbh | Optoelectronic device |
-
2015
- 2015-07-24 CN CN201510442934.5A patent/CN106353889A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115701A (en) * | 1976-12-09 | 1978-09-19 | General Electric Company | Coaxial reflex photoelectric scanner |
| US5760885A (en) * | 1994-12-04 | 1998-06-02 | Seiko Epson Corporation | Light-sensing device |
| TW315528B (en) * | 1995-09-29 | 1997-09-11 | Siemens Ag | |
| US20070181810A1 (en) * | 2006-02-06 | 2007-08-09 | Tan Michael R T | Vertical cavity surface emitting laser (VCSEL) array laser scanner |
| WO2014048832A1 (en) * | 2012-09-27 | 2014-04-03 | Osram Opto Semiconductors Gmbh | Optoelectronic device |
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Application publication date: 20170125 |