CN105487236A - Laser shaping compressor device - Google Patents

Laser shaping compressor device Download PDF

Info

Publication number
CN105487236A
CN105487236A CN201610053279.9A CN201610053279A CN105487236A CN 105487236 A CN105487236 A CN 105487236A CN 201610053279 A CN201610053279 A CN 201610053279A CN 105487236 A CN105487236 A CN 105487236A
Authority
CN
China
Prior art keywords
reflection unit
laser
light source
reflector
compression set
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610053279.9A
Other languages
Chinese (zh)
Other versions
CN105487236B (en
Inventor
李成方
吴新民
母林
张可根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Chengyi Optoelectronics Technology Co Ltd
Original Assignee
Chengdu Chengyi Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Chengyi Optoelectronics Technology Co Ltd filed Critical Chengdu Chengyi Optoelectronics Technology Co Ltd
Priority to CN201610053279.9A priority Critical patent/CN105487236B/en
Publication of CN105487236A publication Critical patent/CN105487236A/en
Application granted granted Critical
Publication of CN105487236B publication Critical patent/CN105487236B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938Using specific optical elements
    • G02B27/0977Reflective elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0916Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers
    • G02B27/0922Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers the semiconductor light source comprising an array of light emitters
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/208Homogenising, shaping of the illumination light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

The invention discloses a laser shaping compressor device, which comprises a first light source, a second light source, and a first reflection device and a second reflection device that are opposite to each other and arranged in a staggered manner. The first light source and the second light source emit incident laser to the first reflection device and the second reflection device respectively, then the laser is reflected by the first reflection device and the second reflection device in the same direction to form a first light spot array and a second light spot array respectively, and the first light spot array and the second light spot array are arranged in a staggered manner. Evenly-arranged light spot areas can be obtained through reflection only once, and the brightness is effectively improved. The laser shaping compressor device is compact in overall structure and small in size, is highly applicable, and is worth of being popularized in relevant industries.

Description

Laser shaping compression set
Technical field
The invention belongs to technical field of laser display, be specifically related to a kind of laser shaping compression set.
Background technology
Laser projection uses laser beam to transmit picture.Compare with traditional display light source, laser has good monochromaticity, directivity, use laser three primary colours as the color represented by display light source, contain human eye institute can distinguishing colours 90%, the area of its chromatic triangle is nearly three times that traditional phosphorus shows.With laser display rich color, saturation degree is high, contrast is strong, the matching that had with various vision signal.
The light source that current laser projection adopts is laser diode.Because single laser diode generation luminance brightness is lower, the requirement of laser projection cannot be met, so conventional laser machine adopts many laser diode permutation and combination to become array to increase luminance brightness.Due to heat radiation and the needs of structure, certain gap must be left between laser diode, which forms the overall spot area that has the single light spot group synthesis of dispersion, for adapting to the needs of light path, often needing to carry out compression process to this overall spot area.Conventional compression processing mode is the reflective mirror adopting particular arrangement, by some directions of primary event squeezed light spot region, to eliminate the gap in this direction of hot spot, but cannot another direction of compression integral spot area, overall spot area now after first compression presents uneven bar shaped laser spot, and follow-up Homogenization Treatments is more difficult.To the other direction of compression integral hot spot, need the reflective mirror re-using one group of particular arrangement could realize through secondary reflection, but secondary reflection can cause light efficiency losses, the less employing of prior art.
Summary of the invention
The object of the invention is to solve the problem, provide a kind of compact conformation, hot spot even and the laser shaping compression set that brightness is high.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of laser shaping compression set, comprise the first light source, secondary light source, and the first reflection unit of being crisscross arranged of subtend and the second reflection unit, first light source and secondary light source send incident laser to the first reflection unit and the second reflection unit respectively, reflect in the same direction through the first reflection unit and the second reflection unit and form the first spot array and the second spot array respectively, described first spot array and the second spot array are staggered.
Preferably, described first reflection unit and the second reflection unit are the mirror base of the identical interspersed setting and subtend is interlocked of structure, described mirror base comprises base and several spacing parallel arrangings and is arranged at reflector on base, and described reflector base is between any two provided with several light holes.
Preferably, described first light source and secondary light source are the laser array that structure is identical, be arranged at outside the second reflection unit and the first reflection unit respectively, the incident laser that first light source, secondary light source send respectively by the light hole on the second reflection unit, the first reflection unit, then is incident upon on the reflector of the first reflection unit, the second reflection unit respectively.
Preferably, described reflector is stepped, and reflector layer is pasted on the inclined-plane of described stepped platform and platform, described reflector layer and incident laser angle at 45 °.
Preferably, described reflector is planar bevels, described planar bevels is pasted several reflector layers, described reflector layer and incident laser angle at 45 °.
Preferably, described reflector and base one-body molded.
The invention has the beneficial effects as follows: laser shaping compression set provided by the invention, there are the first light source and secondary light source two groups of light sources, the first reflection unit adopting subtend to be crisscross arranged again respectively and the second reflection unit reflect the incident laser that it sends, and form the first staggered spot array and the second spot array.First spot array and the second spot array have eliminated the gap between a direction hot spot through primary event, after two groups of spot arrays are staggered, mutually be filled with the gap of other direction between hot spot each other, thus define overall equally distributed spot area.Compared to prior art, the present invention can obtain equally distributed spot area without secondary reflection, effectively improves optical efficiency, and because adopting two groups of light sources simultaneously, significantly promotes luminance brightness.This device can be applicable in multiple machinery and equipment, and image quality can be made when being applied to projector equipment more evenly clear.This laser shaping compression set compact overall structure, volume are little, and applicability is strong, are worth popularization in the field of business.
Accompanying drawing explanation
Fig. 1 is laser shaping compression set perspective view of the present invention;
Fig. 2 is laser shaping compression set front view of the present invention;
Fig. 3 is laser shaping compression set side view of the present invention;
Fig. 4 is laser array structures schematic diagram of the present invention;
Fig. 5 is mirror base perspective view of the present invention;
Fig. 6 is mirror base front view of the present invention;
Fig. 7 is mirror base vertical view of the present invention;
Fig. 8 is mirror base side view of the present invention;
Fig. 9 is mirror base backplan of the present invention.
Description of reference numerals: 1, the first reflection unit; 2, the second reflection unit; 3, the first light source; 4, secondary light source; 5, hot spot; 6, base; 7, reflector; 71, reflector layer; 72, groove; 8, light hole; 9, laser diode.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further:
Laser shaping compression set of the present invention, comprises the first reflection unit 1, second reflection unit 2, first light source 3 and secondary light source 4.First reflection unit 1 and the second reflection unit 2 subtend are crisscross arranged.First light source 3 sends incident laser to the first reflection unit 1, formation first spot array is reflected through the first reflection unit 1, secondary light source 4 sends incident laser to the second reflection unit 2, reflect formation second spot array through the second reflection unit 2, the first spot array and the second spot array reflect to form in the same direction and are staggered and form equally distributed spot area.
Be described in detail with the structure of specific embodiment to laser shaping compression set of the present invention, to show structural principle of the present invention and advantage further below.
As Figure 1-3, in the present embodiment, the first reflection unit 1 and the second reflection unit 2 are two identical mirror bases of structure, and two mirror bases are that subtend is crisscross arranged.As shown in figures 5-9, mirror base comprises base 6 and several reflectors 7, and reflector 7 spacing parallel arranging is arranged on base 6.Reflector 7 base 6 is between any two provided with several light holes 8.The quantity of reflector 7 and light hole 8 can be determined according to actual needs, not special restriction.
Base 6 adopts L-type, and transverse part is slightly longer than vertical part.Base 6 shape is not limited thereto, and may also be employing tabular, and when base 6 adopts tabular, reflector 7 can adopt wedge shape, and wedge shape right angle vertical edge also can make whole mirror base be fixed in projector and install.Adopt L-type structure, what be convenient to that two mirror bases are crisscross arranged is fixing, is convenient to the installation of later stage in projector simultaneously.Further, base 6 can adopt solid or hollow, does not all impact the realization of function of the present invention, and hollow base 6 can reduce starting material and uses cost-saving and alleviate the weight of overall laser shaping compression set.
Reflector 7 adopts stepped, and the face between the platform of ladder and platform is the inclined-plane of the angle at 45 ° with incident laser, inclined-plane is pasted reflector layer 71.For ease of reflector layer 71 installation with pick and place, is provided with groove 72 in the middle of the inclined-plane of aforementioned stickup reflector layer 71.Reflector 7 is not limited to stepped, also can adopt wedge structure as previously mentioned, the inclined-plane of wedge structure is pasted several reflector layers 71 or one deck reflective surface.In the present embodiment, reflector layer 71 adopts reflex reflector lens.Obvious, reflector layer 71 is not limited to adopt reflex reflector lens, and other also can be adopted to can be used for the material of reflection ray.When base 6 adopts L-type structure, reflector 7 also can adopt slab construction, and dull and stereotyped one end is arranged at L-type transverse part, and the other end is arranged at L-type vertical part, forms a hollow triangle structure with base 6.When reflector 7 adopts wedge shape or planar structure, by the arrangement of laser diode 9 on adjustment reflector layer 71 and laser array, also form equally distributed spot area.Reflector 7 adopts the stepped size reducing mirror base in the present embodiment.
Base 6 and reflector 7 can manufacture respectively carry out again assembling fix, also one-body molded by mould, in the present embodiment base 6 and reflector 7 one-body molded.
First light source 3 and secondary light source 4 are arranged at outside the second reflection unit 2 and the first reflection unit 1 respectively.In the present embodiment, the first light source 3 and secondary light source 4 are the identical laser array of structure, and subtend is arranged at the outside of two mirror bases.As shown in Figure 4, laser array is arranged by some laser diodes 9 and is formed, and the incident laser that laser diode 9 sends is incident upon on corresponding reflector layer 71 through light hole 8, then reflects formation hot spot 5 through reflector layer 71.Laser diode 9 does not specifically limit with the quantity of reflector layer 71, can require according to the brightness of projector's reality and profile arrangement and determine.As shown in figures 1 and 3, because two mirror bases are crisscross arranged, the position being positioned at two laser arrays in outside should have the staggered of certain distance mutually.
Laser shaping compression set provided by the invention, its innovative point is to have employed the reflection unit that two subtends are crisscross arranged, and the laser that the first reflection unit and the second reflection unit can reflect respectively from light source forms two spot arrays that are staggered.Concrete enforcement, have employed two subtends interlock intert arrange mirror base, respectively laser reflection is carried out to the two groups of laser arrays be arranged at outside mirror base.Because two groups of mirror bases are that subtend is crisscross arranged, thus reflect to form two groups of spot arrays and be also interspersed.The incident laser that laser array sends has eliminated longitudinal gap through primary event, now two groups of staggered lateral clearances mutually filled up each other of spot array, and final formation is uniformly distributed spot area.Only need can eliminate the gap of the horizontal and vertical both direction of overall spot area from visual effect through primary event, obtain equally distributed spot area.
Compared with prior art, this laser shaping compression set, exquisite composition, when increasing single unit system volume hardly, hot spot not only can be made to be uniformly distributed, and luminance brightness significantly improves.With regard to this laser shaping compression set generally speaking, volume is little, compact conformation, can be applicable in multiple machinery and equipment.When being applicable to projector, can picture be made evenly clear, and only slightly increase compared to existing technology due to this device physical dimension, therefore less to projector's machine shape size impact.
Those of ordinary skill in the art will appreciate that, embodiment described here is to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention is not limited to so special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combination of not departing from essence of the present invention according to these technology enlightenment disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.

Claims (6)

1. a laser shaping compression set, it is characterized in that: comprise the first light source (3), secondary light source (4), and the first reflection unit (1) of being crisscross arranged of subtend and the second reflection unit (2), first light source (3) and secondary light source (4) send incident laser to the first reflection unit (1) and the second reflection unit (2) respectively, reflect in the same direction through the first reflection unit (1) and the second reflection unit (2) again and form the first spot array and the second spot array respectively, described first spot array and the second spot array are staggered.
2. laser shaping compression set according to claim 1, it is characterized in that: described first reflection unit (1) and the mirror base of the second reflection unit (2) for the identical interspersed setting and subtend is interlocked of structure, described mirror base comprises base and several spacing parallel arrangings and is arranged at reflector (7) on base (6), described reflector (7) base between any two (6) is provided with several light holes (8).
3. laser shaping compression set according to claim 2, it is characterized in that: described first light source (3) and secondary light source (4) are the identical laser array of structure, be arranged at the second reflection unit (2) and the first reflection unit (1) outside respectively, the incident laser that first light source (3), secondary light source (4) send respectively by the light hole (8) on the second reflection unit (2), the first reflection unit (1), then is incident upon on the reflector (7) of the first reflection unit (1), the second reflection unit (2) respectively.
4. according to the arbitrary described laser shaping compression set of claim 2-3, it is characterized in that: described reflector (7) is for stepped, reflector layer (71) is pasted on the inclined-plane of described stepped platform and platform, described reflector layer (71) and incident laser angle at 45 °.
5. according to the arbitrary described laser shaping compression set of claim 2-3, it is characterized in that: described reflector (7) is wedge structure, described tapered ramp is pasted several reflector layers (71) or one deck reflective surface, described reflector layer (71) or reflective surface and incident laser angle at 45 °.
6., according to the arbitrary described laser shaping compression set of claim 2-3, it is characterized in that: described reflector (7) is one-body molded with base (6).
CN201610053279.9A 2016-01-27 2016-01-27 Laser shaping compression set Expired - Fee Related CN105487236B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610053279.9A CN105487236B (en) 2016-01-27 2016-01-27 Laser shaping compression set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610053279.9A CN105487236B (en) 2016-01-27 2016-01-27 Laser shaping compression set

Publications (2)

Publication Number Publication Date
CN105487236A true CN105487236A (en) 2016-04-13
CN105487236B CN105487236B (en) 2018-05-18

Family

ID=55674315

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610053279.9A Expired - Fee Related CN105487236B (en) 2016-01-27 2016-01-27 Laser shaping compression set

Country Status (1)

Country Link
CN (1) CN105487236B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019144495A1 (en) * 2018-01-25 2019-08-01 深圳光峰科技股份有限公司 Laser combining apparatus and display device
CN111338161A (en) * 2018-12-18 2020-06-26 深圳光峰科技股份有限公司 Projection device
CN113260890A (en) * 2018-12-13 2021-08-13 索尼集团公司 Optical connector, optical cable and electronic device
CN114200753A (en) * 2020-09-17 2022-03-18 中强光电股份有限公司 Light source module and projection device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050069260A1 (en) * 2003-09-30 2005-03-31 Klimek Daniel E. Beam combination using interleaved optical plates
CA2569517A1 (en) * 2004-06-01 2005-12-15 Trumpf Photonics Inc. Laser diode array mount and stepped mirror for shaping of a symmetric laser beam
CN102324697A (en) * 2011-09-22 2012-01-18 西安炬光科技有限公司 Interpolation-arrangement beam-combining method for semiconductor laser and high-power semiconductor laser
CN204178113U (en) * 2014-10-31 2015-02-25 深圳市绎立锐光科技开发有限公司 Light-emitting device and there is its projector
CN205374887U (en) * 2016-01-27 2016-07-06 成都成亿光电科技有限公司 Laser plastic compressor arrangement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050069260A1 (en) * 2003-09-30 2005-03-31 Klimek Daniel E. Beam combination using interleaved optical plates
CA2569517A1 (en) * 2004-06-01 2005-12-15 Trumpf Photonics Inc. Laser diode array mount and stepped mirror for shaping of a symmetric laser beam
CN102324697A (en) * 2011-09-22 2012-01-18 西安炬光科技有限公司 Interpolation-arrangement beam-combining method for semiconductor laser and high-power semiconductor laser
CN204178113U (en) * 2014-10-31 2015-02-25 深圳市绎立锐光科技开发有限公司 Light-emitting device and there is its projector
CN205374887U (en) * 2016-01-27 2016-07-06 成都成亿光电科技有限公司 Laser plastic compressor arrangement

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019144495A1 (en) * 2018-01-25 2019-08-01 深圳光峰科技股份有限公司 Laser combining apparatus and display device
CN110082998A (en) * 2018-01-25 2019-08-02 深圳光峰科技股份有限公司 Laser Multiplexing apparatus and display equipment
US11815698B2 (en) 2018-01-25 2023-11-14 Appotronics Corporation Limited Laser combining apparatus and display device
CN113260890A (en) * 2018-12-13 2021-08-13 索尼集团公司 Optical connector, optical cable and electronic device
CN113260890B (en) * 2018-12-13 2024-06-11 索尼集团公司 Optical connector, optical cable and electronic device
CN111338161A (en) * 2018-12-18 2020-06-26 深圳光峰科技股份有限公司 Projection device
CN111338161B (en) * 2018-12-18 2022-04-12 深圳光峰科技股份有限公司 Projection device
CN114545717A (en) * 2018-12-18 2022-05-27 深圳光峰科技股份有限公司 Projection device
CN114545717B (en) * 2018-12-18 2023-07-21 深圳光峰科技股份有限公司 Projection device
CN114200753A (en) * 2020-09-17 2022-03-18 中强光电股份有限公司 Light source module and projection device
CN114200753B (en) * 2020-09-17 2024-03-01 中强光电股份有限公司 Light source module and projection device

Also Published As

Publication number Publication date
CN105487236B (en) 2018-05-18

Similar Documents

Publication Publication Date Title
KR102642251B1 (en) Compact head-mounted display system having uniform image
CN203217229U (en) Light-emitting device and projection system
CN102445755B (en) Virtual image display apparatus
CN105487236A (en) Laser shaping compressor device
US10890706B2 (en) Optical device
CN104849843B (en) Laser synthesizing Optical devices
CN105467736B (en) Optical unit, Optical devices, light supply apparatus and projection display equipment using it
CN104303100A (en) Directional backlight
CN106019796B (en) A kind of projection screen, large scale Mosaic screen and optical projection system
CN104380177A (en) Polarization recovery in directional display device
CN103472590B (en) A kind of laser three-dimensional imaging and Nakedness-yet stereoscopic display method and device
CN102124407A (en) Projection system with imaging light source module
US10048576B2 (en) Laser light source and projection display device
CN205374887U (en) Laser plastic compressor arrangement
CN107728419A (en) A kind of projection screen and optical projection system
US10191198B2 (en) Display apparatus including directional backlight unit and method of assembling the display apparatus
CN108646412A (en) Nearly eye display device and nearly eye display methods
CN101995743A (en) Optical projection engine with uniform brightness and color
CN103855600B (en) Laser module and scanning projector
CN101956926A (en) Backlight module of LCD
CN107355713A (en) Laser backlight device for display system
CN204807813U (en) Three -dimensional ladder mirror
TWI611136B (en) Light source adjustment structure
CN104121520A (en) Backlight module
CN207034818U (en) Laser backlight device for display system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Laser shaping compressor device

Effective date of registration: 20180529

Granted publication date: 20180518

Pledgee: Yang Yulong

Pledgor: CHENGDU CHENGYI OPTOELECTRONICS TECHNOLOGY CO., LTD.

Registration number: 2018510000050

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180518

Termination date: 20190127