CN102882121A - Small-sized laser emitting module - Google Patents
Small-sized laser emitting module Download PDFInfo
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- CN102882121A CN102882121A CN2011101969343A CN201110196934A CN102882121A CN 102882121 A CN102882121 A CN 102882121A CN 2011101969343 A CN2011101969343 A CN 2011101969343A CN 201110196934 A CN201110196934 A CN 201110196934A CN 102882121 A CN102882121 A CN 102882121A
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- mirror section
- lens assembly
- wave
- laser diode
- collimating mirror
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Abstract
The invention relates to a small-sized laser emitting module, comprising a base plate, a laser diode and a mirror assembly, wherein the base plate comprises a mounting slot in which the laser diode is arranged in the mounting slot of the base plate, the mirror assembly is arranged in the mounting slot of the base plate along the laser outgoing direction of the laser diode and comprises a collimating mirror part and a wave mirror part far away from the laser diode. According to the small-sized laser emitting module, the collimating mirror part and the wave mirror part are integrated into a whole rather than being arranged separately, so that the calibration procedures are simplified, and mounting time is shorted further; in addition, the components of the mirror assembly are simplified, so that the laser emitting module is light, thin, short and small.
Description
Technical field
The invention relates to a kind of optical module, refer to especially a kind of miniaturization laser transmitter module.
Background technology
A kind of laser transmitter module in the past, disclose such as TaiWan, China M368224 new patent, include body, be inserted in the laser diode in this body, and sequentially be installed on collimation lens (collimator lens) and wave eyeglass in this body along this laser diode, this collimation lens can be so that the single-point light beam be converted to collimated light beam, the thickness of light guide will be affected, this wave eyeglass is used for incident beam is converted to the linear pattern light beam, will affect the angle of light guide.
By above-mentioned patent as can be known, in order to allow this collimation lens and this wave eyeglass can both bring into play good luminous efficacy, when mounted, carefully position and the angle of this collimation lens and this wave eyeglass proofreaied and correct in fine setting, and so that erector's duration, in addition, because the member of above-mentioned patent is various, in reduced overall dimension its limit is arranged, can't satisfy the compact market demand.
Therefore, a kind of laser transmitter module that can shorten installation work-hour and can reach compact effect is one of R﹠D target of present relevant dealer.
Summary of the invention
The technical problem to be solved in the present invention is, for laser transmitter module erector duration of the prior art, the various defective of member, provides a kind of miniaturization laser transmitter module that can shorten installation work-hour and can reach compact effect.
The present invention is that the technical scheme that its technical problem of solution adopts is, provide a kind of miniaturization laser transmitter module to comprise substrate, laser diode, and Lens assembly, this substrate comprises the installation conduit, this laser diode is installed in the installation conduit of this substrate, this Lens assembly is installed in the installation conduit of this substrate along this laser diode light direction, this Lens assembly comprises the collimating mirror section of contiguous this laser diode, reach the wave mirror section away from this laser diode, this collimating mirror section and this wave mirror section are connected to each other to single type.
Again, Lens assembly of the present invention comprises collimating mirror section, wave mirror section, two sidepieces, two location divisions, and two breasting faces, the contiguous laser diode of this collimating mirror section, this collimating mirror section has incidence surface and relaying exiting surface, this wave mirror section is away from this laser diode, this wave mirror section has relaying incidence surface and exiting surface, this collimating mirror section and this wave mirror section are connected to each other to single type, these sidepieces connect this collimating mirror section, hold about wave mirror section, this collimating mirror section, wave mirror section, sidepiece is integrally joined to each other and is sealing frame shape, and these location divisions are connected in respectively these sidepieces, and these breasting faces are formed at these location divisions.
Again, miniaturization laser transmitter module of the present invention comprises Lens assembly and supporting, this Lens assembly comprises the collimating mirror section of contiguous laser diode, reach the wave mirror section away from this laser diode, this collimating mirror section has incidence surface, this wave mirror section has exiting surface, this collimating mirror section and this wave mirror section are one-body molded, this supporting is installed for this Lens assembly, this supporting comprises the stacker that this Lens assembly is installed, positioning strip across this stacker, two location divisions that are arranged at respectively the side, and two breasting faces that are formed at these location divisions, this Lens assembly tightly fits between this stacker and positioning strip.
Effect of the present invention is, by collimating mirror section and this wave mirror section are designed to single type, replaces the in the past kenel of two-piece type, simplifies aligning step and then reduction installation work-hour, in addition, by simplifying the member of Lens assembly, reaches compact effect.
Description of drawings
Fig. 1 is three-dimensional exploded view, and the first preferred embodiment of miniaturization laser transmitter module of the present invention is described;
Fig. 2 is stereogram, and the assembly relation between substrate, laser diode and the Lens assembly of this first preferred embodiment is described;
Fig. 3 is three-dimensional exploded view, and the second preferred embodiment of miniaturization laser transmitter module of the present invention is described; And
Fig. 4 is stereogram, and supporting and the relation of the assembly between this Lens assembly of this second preferred embodiment is described.
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of two preferred embodiments of following cooperation accompanying drawing, can clearly present.
Before the present invention is described in detail, be noted that in the following description content similarly assembly is to represent with identical numbering.
Consult Fig. 1 and Fig. 2, the first preferred embodiment of miniaturization laser transmitter module of the present invention comprises substrate 1, laser diode 2, Lens assembly 3, and aperture assembly 4.
This substrate 1 is flat plate body shape, comprises conduit 11 is installed, and end face 12.
This laser diode 2 is installed in the installation conduit 11 of this substrate 1, and this laser diode 2 comprises that two abut against in the heat radiation alar part 21 of this substrate 1 end face 12.
This Lens assembly 3 is installed in the installation conduit 11 of this substrate 1 along these laser diode 2 light directions, the thickness of this substrate 1 and this laser diode 2 is all less than this Lens assembly 3, and the thickness of this Lens assembly 3 can be contracted to below 2 millimeters, helps the effect that reaches compact.
This Lens assembly 3 comprise contiguous this laser diode 2 collimating mirror section 31, connect the sidepiece 33 of this collimating mirror section 31 and this wave mirror section about 32 ends, two location divisions 34 that are connected to these sidepieces 33, two away from the wave mirror section 32 of this laser diode 2, two and be formed at these location divisions 34 and abut against breasting face 35 in this substrate 1, and two some glue holes 36 that are opened in respectively this location division 34, this collimating mirror section 31 is connected to each other to single type with this wave mirror section 32.
What illustrate further is in this first preferred embodiment, this collimating mirror section 31, wave mirror section 32, sidepiece 33 is integrally joined to each other and be sealing frame shape, this collimating mirror section 31 and this 32 in wave mirror section have preset distance, the correction of finishing this collimating mirror section 31 and 32 in this wave mirror section when making this Lens assembly 3 with aim at, effectively reduce installation work-hour.
In this first preferred embodiment, these breasting faces 35 are formed at these 34 bottom surfaces, location division, these location divisions 34 abut against the end face 12 in this substrate 1, and the end face of this Lens assembly 3, bottom surface and left and right side are the inking face, namely the relaying incidence surface 321 of these collimating mirror section 31 incidence surfaces 311, relaying exiting surface 312 and this wave mirror section 32, the part beyond the exiting surface 322 are all with black blacking, to improve optical quality.
This aperture assembly 4 is arranged at 2 of this Lens assembly 3 and this laser diode, and offers diaphragm hole 41, improves optical quality by this aperture assembly 4.
By as can be known aforementioned, be connected to each other to the Lens assembly 3 of single type by this collimating mirror section 31 and this wave mirror section 32, reach the effect of simplifying aligning step and then reduction installation work-hour, in addition, by simplifying the member of this Lens assembly 3, reach compact effect.
Consult Fig. 3 and Fig. 4, the second preferred embodiment of miniaturization laser transmitter module of the present invention and this first preferred embodiment member and assembling mode are roughly the same, difference is in this second preferred embodiment, the supporting 5 that also comprises in the installation conduit 11 that is installed on this substrate 1 and supply this Lens assembly 3 to install.
This supporting 5 comprises stacker 51, the positioning strip 52 across this stacker 51, two location divisions 53 that are arranged at respectively the side that this Lens assembly 3 is installed, and two be formed at these location divisions 53 and abut against breasting face 54 in this substrate 1, these breasting faces 54 are formed at these 53 bottom surfaces, location division, and these location divisions 53 abut against in this substrate 1 end face 12.
In this second preferred embodiment, it is cylindric that this lens unit generally is, this collimating mirror section 31 is one-body molded with this wave mirror section 32, this collimating mirror section 31 has this incidence surface 311, this wave mirror section 32 has this exiting surface 322,51 pairs of the stackers of this supporting 5 should generally be cylindric by lens unit, this Lens assembly 3 tightly fits in 52 of this stacker 51 and positioning strips, by as can be known aforementioned, be connected to each other to the Lens assembly 3 of single type by this collimating mirror section 31 and this wave mirror section 32, reach the effect of simplifying aligning step and then reduction installation work-hour.
In sum, be connected to each other to the Lens assembly 3 of single type by this collimating mirror section 31 and this wave mirror section 32, reach the effect of simplifying aligning step and then reduction installation work-hour, and can quick and convenient this lens unit be installed on this substrate 1 by these location divisions 34,53, in addition, by simplifying the member of this Lens assembly 3, reach the effect that makes this laser transmitter module compact, so really can reach purpose of the present invention.
The above only is preferred embodiment of the present invention, can not limit scope of the invention process with this, i.e. all simple equivalences of doing according to claim of the present invention and invention description content change and modify, and still belongs in the scope that patent of the present invention contains.
Claims (10)
1. a miniaturization laser transmitter module is characterized in that, comprises:
Substrate comprises the installation conduit;
Laser diode is installed in the installation conduit of this substrate; And
Lens assembly, be installed on along this laser diode light direction in the installation conduit of this substrate, this Lens assembly comprises the collimating mirror section of contiguous this laser diode, reaches the wave mirror section away from this laser diode, and this collimating mirror section and this wave mirror section are connected to each other to single type.
2. miniaturization laser transmitter module according to claim 1, it is characterized in that, this Lens assembly comprises that also two connect sidepiece, two location divisions that are connected to these sidepieces of holding about this collimating mirror section, wave mirror section, and two be formed at these location divisions and abut against in the breasting face of this substrate, this collimating mirror section, wave mirror section, sidepiece is integrally joined to each other and be sealing frame shape, this collimating mirror section has incidence surface and relaying exiting surface, and this wave mirror section has relaying incidence surface and exiting surface.
3. miniaturization laser transmitter module according to claim 2 is characterized in that, the end face of this Lens assembly, bottom surface and left and right side are the inking face.
4. miniaturization laser transmitter module according to claim 2 is characterized in that, also comprises the aperture assembly that is arranged between this Lens assembly and this laser diode.
5. miniaturization laser transmitter module according to claim 1, it is characterized in that, also comprise in the installation conduit that is installed on this substrate and the supporting that supplies this Lens assembly to install, this supporting comprises the stacker that this Lens assembly is installed, this collimating mirror section and this wave mirror section are one-body molded, this collimating mirror section has incidence surface, and this wave mirror section has exiting surface.
6. miniaturization laser transmitter module according to claim 5 is characterized in that this supporting also comprises the positioning strip across this stacker, and this Lens assembly tightly fits between this stacker and positioning strip.
7. miniaturization laser transmitter module according to claim 5 is characterized in that, this supporting also comprises two location divisions that are arranged at respectively the side, and two are formed at these location divisions and abut against in the breasting face of this substrate.
8. according to claim 1,2 or 5 described miniaturization laser transmitter modules, it is characterized in that the thickness of this substrate and this laser diode is all less than this Lens assembly, the thickness of this Lens assembly is less than 2 millimeters.
9. a Lens assembly is characterized in that, comprises:
Collimating mirror section, contiguous laser diode, this collimating mirror section has incidence surface and relaying exiting surface;
Wave mirror section, away from this laser diode, this wave mirror section has relaying incidence surface and exiting surface, and this collimating mirror section and this wave mirror section are connected to each other to single type;
Two sidepieces connect about this collimating mirror section, wave mirror section and hold, and this collimating mirror section, wave mirror section, sidepiece is integrally joined to each other and be sealing frame shape;
Two location divisions are connected to these sidepieces; And
Two breasting faces are formed at these location divisions.
10. a miniaturization laser transmitter module is characterized in that, comprises:
Lens assembly comprises the collimating mirror section of contiguous laser diode, and away from the wave mirror section of this laser diode, this collimating mirror section has incidence surface, and this wave mirror section has exiting surface, and this collimating mirror section and this wave mirror section are one-body molded; And
Supporting, install for this Lens assembly, this supporting comprises stacker, the positioning strip across this stacker, two location divisions that are arranged at respectively the side that this Lens assembly is installed, and two breasting faces that are formed at these location divisions, this Lens assembly tightly fits between this stacker and positioning strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101969343A CN102882121A (en) | 2011-07-14 | 2011-07-14 | Small-sized laser emitting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101969343A CN102882121A (en) | 2011-07-14 | 2011-07-14 | Small-sized laser emitting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102882121A true CN102882121A (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101969343A Pending CN102882121A (en) | 2011-07-14 | 2011-07-14 | Small-sized laser emitting module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102882121A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5590144A (en) * | 1990-11-07 | 1996-12-31 | Fuji Electric Co., Ltd. | Semiconductor laser device |
| US20030161055A1 (en) * | 2002-02-28 | 2003-08-28 | Woodard Nathan G. | Sub-micron adjustable mount for supporting a component and method |
| TWM368224U (en) * | 2009-06-09 | 2009-11-01 | Arima Lasers Corp | Thin-type laser wire bonding module |
| US20100254020A1 (en) * | 2009-04-06 | 2010-10-07 | Alexander Govyadinov | Laser line generator |
-
2011
- 2011-07-14 CN CN2011101969343A patent/CN102882121A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5590144A (en) * | 1990-11-07 | 1996-12-31 | Fuji Electric Co., Ltd. | Semiconductor laser device |
| US20030161055A1 (en) * | 2002-02-28 | 2003-08-28 | Woodard Nathan G. | Sub-micron adjustable mount for supporting a component and method |
| US20100254020A1 (en) * | 2009-04-06 | 2010-10-07 | Alexander Govyadinov | Laser line generator |
| TWM368224U (en) * | 2009-06-09 | 2009-11-01 | Arima Lasers Corp | Thin-type laser wire bonding module |
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Application publication date: 20130116 |