CN208461195U - A kind of laser module bracket - Google Patents
A kind of laser module bracket Download PDFInfo
- Publication number
- CN208461195U CN208461195U CN201821413728.7U CN201821413728U CN208461195U CN 208461195 U CN208461195 U CN 208461195U CN 201821413728 U CN201821413728 U CN 201821413728U CN 208461195 U CN208461195 U CN 208461195U
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- China
- Prior art keywords
- rack body
- metal terminal
- diffusion sheet
- laser module
- module bracket
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Abstract
The utility model discloses a kind of laser module brackets, comprising: rack body is provided with groove on the rack body, is provided with metal terminal on the top surface of the groove, and the groove is for carrying diffusion sheet and the metal terminal and the diffusion sheet are electrically connected；The rack body is set on substrate, and through the rack body and connection is connected with the pin on the substrate in the metal terminal.By being embedded in the metal terminal realization diffusion sheet of rack body and being electrically connected for the substrate of rack body bottom, maintains the original structure of rack body constant, maintain the original size of rack body, solve the problems, such as that rack body causes size to increase due to lead.
Description
Technical field
The utility model relates to mould technical group field more particularly to a kind of laser module brackets.
Background technique
Since mode of laser group has the good characteristics such as coupling efficiency is high, low in energy consumption, transmission rate is fast, manufacturing cost is low, it
It is widely used in mobile phone camera, laser radar, in the multiple terminals equipment such as virtual reality device and augmented reality equipment.
Mode of laser group is mainly made of substrate, laser chip, bracket and diffusion sheet with the angle of divergence.When mould group is powered
Afterwards, laser chip issues certain wavelength, the light beam of certain angle, and light beam forms certain angle after diffusion sheet and projects face
On.If after diffusion sheet breaks down, the light that laser chip issues can be projected directly on human eye, and powerful light beam can cause human eye
Injury.Therefore it needs that preventing mechanism is arranged in mode of laser group.(English is complete in diffusion plate inner surface plating oxidation cigarette tin for one of which
Claim: Indium tin oxide, English abbreviation: ITO), be then connected by conducting wire with the pad pin on substrate.
The setting and protection for needing to consider conducting wire are connected with the pad pin on substrate by conducting wire on diffusion sheet, can be made
The size for obtaining mode of laser group increases, and is unfavorable for mode of laser group and is set on terminal device.
Utility model content
The utility model discloses a kind of laser module brackets, are expanded for solving existing mode of laser group using conducting wire connection
Pad pin in discrete piece and substrate and the larger-size technical problem for leading to mode of laser group.
The utility model provides a kind of laser module bracket, comprising:
Rack body is provided with groove on the rack body, metal terminal is provided on the top surface of the groove, described recessed
Slot is used to carry diffusion sheet and the metal terminal and the diffusion sheet are electrically connected；
The rack body is set on substrate, the metal terminal through the rack body and on the substrate
Pin conducting connection.
Optionally, it is fixedly connected between the diffusion sheet and the metal terminal by conducting resinl.
Optionally, be provided with oxidation cigarette tin or conductive nano route on the bottom surface of the diffusion sheet, the metal terminal with
The oxidation cigarette tin or the conductive nano route are electrically connected.
Optionally, the bottom of the rack body is provided with excessive air drain, for guaranteeing the gas inside the rack body
It is in communication with the outside by the excessive air drain.
Optionally, the distance of the groove to the rack body lateral wall is 0.1 to 0.6mm.
Optionally, a length of the 2.5 to 3.5mm of the rack body, width are 2.5 to 3.5mm, a height of 0.5 to 1.2mm.
Optionally, the rack body is made of industrialization liquid crystal polymer or Maranyl.
As can be seen from the above technical solutions, the utility model has the advantage that
By being inlaid with the metal terminal through entire rack body in rack body in the utility model, and by metal
The top of terminal and diffusion sheet are electrically connected, and connection is connected with the pin on substrate in the bottom of metal terminal, by being embedded in branch
The metal terminal of frame ontology realizes being electrically connected for diffusion sheet and the substrate of rack body bottom, maintains original knot of rack body
Structure maintains the original size of rack body, solves the problems, such as that rack body causes size to increase due to lead.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of front view of laser module bracket provided by the embodiment of the utility model；
Fig. 2 is a kind of top view of laser module bracket provided by the embodiment of the utility model；
Fig. 3 is a kind of bottom view of laser module bracket provided by the embodiment of the utility model.
Specific embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
Referring to Fig. 1, Fig. 1 is a kind of front view of laser module bracket provided by the embodiment of the utility model.
A kind of laser module bracket provided by the embodiment of the utility model, comprising:
Rack body 1 is provided with groove 2 on the rack body 1, is provided with metal terminal 3 on the top surface of the groove 2,
The groove 2 is used to carry diffusion sheet 4 and the metal terminal 3 and the diffusion sheet 4 are electrically connected；The rack body 1 is set
It is placed on substrate 5, through the rack body 1 and connection is connected with the pin on the substrate 5 in the metal terminal 3.Such as Fig. 1
Shown, rack body 1 as a hollow cuboid, wherein the bottom of rack body 1 is set on substrate 5, substrate 5
Be provided with laser chip on center, laser chip is located at the center position of rack body 1 simultaneously, on rack body 1 equipped with
Diffusion sheet 4, laser chip on substrate 5 are formed after diffusion sheet 5 by issuing the light beam of certain wavelength and certain angle, light beam
Certain angle projects on face.
Can with referring to Fig.2, Fig. 2 be a kind of top view of laser module bracket provided by the embodiment of the utility model.By Fig. 2
In as can be seen that the center edge portion of metal terminal 3 is provided with U-type groove 6.Wherein, U-type groove 6 is mainly used in production mode of laser group
Metal terminal 3 is fixed during bracket.Specifically, the production process of laser module bracket is as follows: being put into metal in a mold
Terminal 3, and the fixture of placement U-shaped realizes fixed function to metal terminal 3 after being put into metal terminal 3, is then molded
Molding, finally demoulds again.After molding, removes the fixture for fixing metal terminal 3, just leave U-type groove 6.
Further, in order to guarantee that diffusion sheet 4 can be firmly fixed on the top surface of groove 2 and not influence diffusion sheet 4
With the electric connection of the metal terminal 3 on groove 2, can lead between the metal terminal 3 on the diffusion sheet 4 and the groove 2
Conducting resinl is crossed to be fixedly connected.It should be noted that there is the both sides of metal terminal 3 solid by conducting resinl and diffusion sheet on groove 2
Fixed connection, and there is no the both sides of metal terminal 3 that can be fixedly connected by common viscose with diffusion sheet on groove 2.
Optionally, oxidation cigarette tin (full name in English: Indium tin can be set on the bottom surface of the diffusion sheet 4
Oxide, English abbreviation: ITO) or conductive nano route, the metal terminal 3 and the oxidation cigarette tin or conductive nano line electricity
Property connection.It is understood that the light that laser chip issues can be projected directly on human eye, high-power after diffusion sheet 4 breaks down
Light beam human eye can be damaged.It is thereby possible to select protective layer is arranged on diffusion sheet 4, i.e., on the bottom surface of diffusion sheet 4
Plate one layer of ito thin film or conductive nano route (such as silver nanoparticle conducting wire), wherein ito thin film is transparent conductive thin
Film, while the light irradiation for not influencing laser chip, additionally it is possible to arrive protective effect to diffusion sheet 4.
It should be noted that since mode of laser group is in the confined space for be set to terminal device, and in mode of laser group
A closed cavity is formd between rack body 1, diffusion sheet 4 and substrate 5, the laser chip in mode of laser group is worked
Cheng Zhonghui generates a large amount of heat, so that the air in cavity expands；And in the case where terminal device is in colder environment, it is empty
Intracavitary air can be by cold compression, the phenomenon that expanding with heat and contract with cold so as to cause the air generation in cavity.For protective cradle sheet
Excessive air drain 7 has can be set in body 1, diffusion sheet 4 and substrate 5, the bottom of the rack body 1, for guaranteeing the rack body 1
Internal gas is in communication with the outside by the excessive air drain 7, to avoid the air in cavity due to expanding with heat and contract with cold and to cavity
Outer device damages.It can be a kind of facing upward for laser module bracket provided by the embodiment of the utility model refering to Fig. 3, Fig. 3
View.Wherein, the air drain 7 that overflows can be symmetrically disposed on four edge angles of rack body 1.In addition, rack body 1 can be with
It is provided with location hole 8, during 1 injection molding of rack body, can be provided in the bottom of rack body 1 for stablizing
Fixed column is removed after the molding of rack body 1, then leaves location hole 8 by the fixed column of metal terminal 3.
Specifically, to guarantee that diffusion sheet 4 and 2 surface of groove have enough contacts area, the groove 2 arrives the bracket sheet
The distance of 1 lateral wall of body can be set to 0.1 to 0.6mm, i.e. wall thickness outside groove 2 is 0.1 to 0.6mm.0.1 to 0.6mm
Close to the limit of processing procedure, distance shortens again is easy to appear shrinkage cavity and partial collapse.
The length of the rack body 1 can be 2.5 to 3.5mm, it is wide can be 2.5 to 3.5mm, height can for 0.5 to
1.2mm。
Optionally, the rack body 1 can be by industrialization liquid crystal polymer (full name in English: Liquid Crystal
Polymer, English abbreviation: LCP) or the plastic materials structure such as Maranyl (full name in English: Polyamide, English abbreviation: PA)
At.Rack body 1 is made by using LCP or PA.
A kind of laser module bracket provided by the utility model is described in detail above, for the one of this field
As technical staff have change in specific embodiments and applications based on the idea of the embodiment of the present invention
Place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. a kind of laser module bracket characterized by comprising
Rack body is provided with groove on the rack body, and metal terminal is provided on the top surface of the groove, and the groove is used
In carrying diffusion sheet and the electric connection of the metal terminal and the diffusion sheet；
The rack body is set on substrate, the metal terminal through the rack body and with the pin on the substrate
Conducting connection.
2. laser module bracket according to claim 1, which is characterized in that between the diffusion sheet and the metal terminal
It is fixedly connected by conducting resinl.
3. laser module bracket according to claim 1, which is characterized in that be provided with oxidation on the bottom surface of the diffusion sheet
Cigarette tin or conductive nano route, the metal terminal and the oxidation cigarette tin or the conductive nano route are electrically connected.
4. laser module bracket according to claim 1, which is characterized in that the bottom of the rack body is provided with excessive gas
Slot, for guaranteeing that the gas inside the rack body is in communication with the outside by the excessive air drain.
5. laser module bracket according to claim 1, which is characterized in that the groove to the rack body lateral wall
Distance be 0.1 to 0.6mm.
6. laser module bracket according to claim 1, which is characterized in that a length of the 2.5 of the rack body to
3.5mm, width are 2.5 to 3.5mm, a height of 0.5 to 1.2mm.
7. laser module bracket according to claim 1, which is characterized in that the rack body is by industrialization polymerizable mesogenic
Object or Maranyl are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821413728.7U CN208461195U (en) | 2018-08-30 | 2018-08-30 | A kind of laser module bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821413728.7U CN208461195U (en) | 2018-08-30 | 2018-08-30 | A kind of laser module bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208461195U true CN208461195U (en) | 2019-02-01 |
Family
ID=65179450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821413728.7U Active CN208461195U (en) | 2018-08-30 | 2018-08-30 | A kind of laser module bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208461195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917003A (en) * | 2019-05-07 | 2020-11-10 | 光宝光电(常州)有限公司 | Light source device |
| WO2022126645A1 (en) * | 2020-12-18 | 2022-06-23 | 深圳市汇顶科技股份有限公司 | Laser emission module and electronic device |
-
2018
- 2018-08-30 CN CN201821413728.7U patent/CN208461195U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917003A (en) * | 2019-05-07 | 2020-11-10 | 光宝光电(常州)有限公司 | Light source device |
| CN111917002A (en) * | 2019-05-07 | 2020-11-10 | 光宝光电(常州)有限公司 | Light source device |
| CN111917003B (en) * | 2019-05-07 | 2021-11-30 | 光宝光电(常州)有限公司 | Light source device |
| WO2022126645A1 (en) * | 2020-12-18 | 2022-06-23 | 深圳市汇顶科技股份有限公司 | Laser emission module and electronic device |
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