CN207353643U - Laser head and laser beam emitting device - Google Patents
Laser head and laser beam emitting device Download PDFInfo
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- CN207353643U CN207353643U CN201721441491.9U CN201721441491U CN207353643U CN 207353643 U CN207353643 U CN 207353643U CN 201721441491 U CN201721441491 U CN 201721441491U CN 207353643 U CN207353643 U CN 207353643U
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Abstract
The utility model provides a kind of laser head and laser beam emitting device, it is related to laser aid technical field, the laser head, including housing, light splitting piece, circuit board and laser light source, light intensity sensor is provided with circuit board, circuit board and laser diode are located at the inside of housing, and circuit board is electrically connected with laser light source, and circuit board is used for the output power for controlling laser light source；Housing includes light-emitting window, and light splitting piece is located at light-emitting window, and the laser that laser light source produces after light splitting piece by projecting housing；Light splitting piece includes reflecting surface, and reflecting surface, towards light intensity sensor, the laser part for laser light source to be produced reflexes to light intensity sensor.Circuit board with light intensity receptor is located at the inside of laser head, so as to shorten the length of laser module, on the other hand, because circuit board is all disposed within housing with light intensity sensor, can not use PD lines, structure simplifies, cost-effective.
Description
Technical field
Laser aid technical field is the utility model is related to, more particularly, to a kind of laser head and laser beam emitting device.
Background technology
Add the band PD (light feedback) of a control power in miniature laser module design, it is necessary to behind laser module at present
Circuit board, for stabilized lasers power.
The design method of existing laser module is：Laser diode and laser crystal are packaged together, and form a laser
Head；Light feedback is filled in laser head front end, the effect of light feedback is to extract the intensity of laser signal, by PD lines by Strength Changes
Laser signal pass to the circuit board of laser module rear end, circuit board changes laser by controlling the electric current of laser diode
The laser output power of crystal, so as to achieve the purpose that to control laser power stability.
But the structure of existing laser module is more complicated, the length of laser module is long, and PD lines are exposed easy outside
Broken string, so that the problem of causing laser module to replace trouble.
Utility model content
The purpose of this utility model is to provide a kind of laser head and laser beam emitting device, to alleviate existing mode of laser
The length of group is long, and PD lines are exposed outside, causes laser module to replace troublesome technical problem.
In a first aspect, the utility model embodiment provides a kind of laser head, including：Housing, light splitting piece, circuit board and swash
Radiant, is provided with light intensity sensor on the circuit board, and the circuit board and laser diode are located at the inside of the housing,
The circuit board is electrically connected with laser light source, and the circuit board is used for the output power for controlling the laser light source；
The housing includes light-emitting window, and the light splitting piece is located at the light-emitting window, and the laser that the laser light source produces leads to
The housing is projected after crossing the light splitting piece；The light splitting piece includes reflecting surface, and the reflecting surface is sensed towards the light intensity
Device, the laser part for laser light source to be produced reflex to light intensity sensor.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect, institute
Stating laser light source includes laser diode and laser crystal, and the laser crystal includes the incidence surface and light-emitting surface being oppositely arranged,
The light-emitting window of the laser diode is towards the incidence surface of the laser crystal, and the laser crystal is for changing the laser two
The frequency for the laser that pole pipe is sent, so that the laser projected from the laser crystal includes frequency and is different from two pole of laser
The laser of the frequency for the laser that pipe is sent.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect, institute
Stating laser diode includes DC/DC chips, for sending laser.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, the laser crystal are in the form of a column, and the circuit board includes run through corresponding with the laser crystal
Hole, so that the board sleeve is located at outside the side wall of the laser crystal.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, the laser light source include electric binding post, and the outer end of the electric binding post includes electrical contact head, institute
State and electric contact jack corresponding with the electrical contact head is provided with circuit board；Alternatively,
The laser light source includes electric contact jack, and be electrically connected corresponding with the electrical contact head is provided with the circuit board
Column is connect, the outer end of the electric binding post includes electrical contact head；So that after the board sleeve is connected on the side wall of the laser crystal,
The electrical contact contact is plugged on the electric contact jack, and the circuit board is electrically connected with the laser light source.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, institute
State and mounting hole is provided with circuit board, support column is provided with the laser light source, the diameter of the mounting hole is less than the branch
The diameter of dagger；
Anchor tip is provided with the support column, the anchor tip includes fixed section and clamping section, the fixed section
It is connected with the support column, the fineness degree of the fixed section is less than the fineness degree of the support column, described to be clamped on the side wall of section
Circumferentially arranged multiple elastic claws, one end of the elastic claw are connected on the outer wall of clamping section, from the clamping section to institute
Fixed section direction, outer wall of the other end of the elastic claw away from the clamping section are stated, the elastic claw is used with the support column
In the circuit-board card is connected on the fixed section.
The 5th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, the quantity of the support column is four, and four support columns are separately positioned on the laser light
The corner in source.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, institute
State circuit board to be arranged on the madial wall of the housing, plane where the circuit board is parallel with the laser propagation direction.
The 7th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Eight kinds of possible embodiments, the inner wall on the circuit board with the housing are slidably connected；Cunning is provided with the circuit board
Block, is provided with slideway on the inner wall of the housing, and lock screw is provided with the housing, the precession side of the lock screw
To plane where the vertical and circuit board, for fixing the circuit board.
Second aspect, the utility model embodiment provide a kind of laser beam emitting device, including above-mentioned laser head.
Laser head provided by the utility model, including housing, light splitting piece, circuit board and laser light source, set on the circuit board
Light intensity sensor is equipped with, light intensity sensor can sense the intensity for shining light on it.Circuit board and the equal position of laser diode
In the inside of the housing, circuit board is electrically connected with laser light source, the light intensity received according to light intensity sensor, so as to laser
Light source sends control signal, and circuit board can control the output power of the laser light source, so that the output work by laser light source
Rate is adjusted to preset range.The housing includes light-emitting window, and the light splitting piece is located at the light-emitting window, and the laser light source produces
Laser by being divided into two parts after the light splitting piece, a copy of it projects the housing, another passes through the reflection of light splitting piece
Back reflection is acted on to light intensity sensor.Circuit board with light intensity receptor is located at the inside of laser head, so as to shorten
The length of laser module, on the other hand, because circuit board is all disposed within housing with light intensity sensor, can not use PD
Line, structure simplifies, cost-effective.
Laser beam emitting device provided by the utility model, including above-mentioned laser head.The laser head, including housing, point
Mating plate, circuit board and laser light source, are provided with light intensity sensor on the circuit board, light intensity sensor, which can sense, to be shone on it
Light intensity.Circuit board and laser diode are respectively positioned on the inside of the housing, and circuit board is electrically connected with laser light source, according to
The light intensity that light intensity sensor receives, so as to send control signal to laser light source, circuit board can control the laser light source
Output power, so that the output power of laser light source is adjusted to preset range.The housing includes light-emitting window, the light splitting
Piece is located at the light-emitting window, and the laser that the laser light source produces by being divided into two parts after the light splitting piece, penetrate by a copy of it
Go out the housing, another is by the reflex back reflection of light splitting piece on light intensity sensor.Electricity with light intensity receptor
Road plate is located at the inside of laser head, so as to shorten the length of laser module, on the other hand, because circuit board is sensed with light intensity
Device is all disposed within housing, can not use PD lines, structure simplifies, cost-effective.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the schematic diagram for the laser head that the utility model embodiment 1 provides；
Fig. 2 is the schematic diagram for the laser head that the utility model embodiment 2 provides；
Fig. 3 is the schematic diagram of the support column for the laser head that the utility model embodiment 2 provides；
Fig. 4 is the schematic diagram for the laser head that the utility model embodiment 3 provides.
Icon：100- housings；200- light splitting pieces；300- circuit boards；310- light intensity receptors；400- laser light sources；410-
Laser crystal；500- connecting poles；600- support columns；610- fixed sections；620- elastic claws；700- slideways.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, such as occur term " " center ", " on ", " under ", " left side ",
" right side ", " vertical ", " level ", " interior ", " outer " etc., its orientation indicated or position relationship are based on orientation shown in the drawings or position
Relation is put, description the utility model is for only for ease of and simplifies description, rather than indicate or imply signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.This
Outside, such as there is term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or implying relatively heavy
The property wanted.
The utility model provides a kind of laser head, and multiple embodiments are given below to laser head provided by the utility model
Structure be described in detail.
Embodiment 1
Fig. 1 is the schematic diagram for the laser head that the utility model embodiment 1 provides, as shown in Figure 1, provided by the utility model
Laser head, including housing 100, light splitting piece 200, circuit board 300 and laser light source 400, light intensity biography is provided with the circuit board 300
Sensor, light intensity sensor can sense the intensity for shining light on it.Circuit board 300 and laser diode are respectively positioned on the shell
The inside of body 100, circuit board 300 are electrically connected with laser light source 400, the light intensity received according to light intensity sensor, thus to swash
Radiant 400 sends control signal, and circuit board 300 can control the output power of the laser light source 400, so that by laser light
The output power in source 400 is adjusted to preset range.The housing 100 includes light-emitting window, and the light splitting piece 200 is located at the light extraction
Mouthful, for the laser that the laser light source 400 produces by being divided into two parts after the light splitting piece 200, a copy of it projects the shell
Body 100, another is by the reflex back reflection of light splitting piece 200 on light intensity sensor.Electricity with light intensity receptor 310
Road plate 300 is located at the inside of laser head, so as to shorten the length of laser module, on the other hand, because circuit board 300 and light
Strong sensor is all disposed within housing 100, can not use PD lines, structure simplifies, cost-effective.
Light splitting piece 200 is obliquely arranged on the light-emitting window of housing 100, so as to be the reflecting surface direction of light splitting piece 200
Light sensation receptor.
Laser light source 400 can include laser diode and laser crystal 410, which includes being oppositely arranged
Incidence surface and light-emitting surface, anti-reflection film, the light-emitting window court of laser diode can be both provided with the incidence surface and light-emitting surface
To the incidence surface of the laser crystal 410, the laser crystal 410 is used for the frequency for changing the laser that the laser diode is sent
Rate, the laser that can make from the laser crystal 410 injection include the laser that frequency is different from the laser diode and sends
Frequency laser.Such as laser light source 400 can be infra-red laser diode, when the near-infrared that infra-red laser diode produces
When the intensity of laser is higher than self-frequency-doubling crystal's light extraction threshold values of the laser crystal 410, laser crystal 410 starts vibration output can
Green light is seen, so the light projected from light-emitting surface includes sightless 808nm near infrared lights and visible 532nm green lights.
The laser diode includes DC/DC chips, and for sending laser, circuit board 300 is using high conversion efficiency, dynamic
The small and big DC/DC chips of input voltage range are responded, the performance of laser head can be optimized.
The laser crystal 410 is in the form of a column, the circuit board 300 include with the 410 corresponding through hole of laser crystal,
The circuit board 300 can be made to be set in outside the side wall of the laser crystal 410.On the one hand circuit board 300 stops in order to prevent
The transmitting of laser, on the other hand, columnar laser crystal 410 can play circuit board 300 certain fixation, prevent electricity
300 double swerve of road plate.
Laser light source 400 can include electric binding post 500, and the outer end of the electric binding post 500 includes electrical contact head, described
Electric contact jack corresponding with the electrical contact head is provided with circuit board 300, alternatively, the laser light source 400 connects including electricity
Jack is touched, electric binding post 500 corresponding with the electrical contact head is provided with the circuit board 300, the electric binding post 500
Outer end includes electrical contact head.When circuit board 300 is moved along the bottom of laser crystal 410 to housing 100, electrical contact can be made
Contact is plugged on the electric contact jack, achievees the purpose that circuit board 300 is electrically connected with the laser light source 400.
Embodiment 2
Fig. 2 is the schematic diagram for the laser head that the utility model embodiment 2 provides, and Fig. 3 provides for the utility model embodiment 2
Laser head support column schematic diagram, as shown in Figures 2 and 3, difference from Example 1 is, can be set on circuit board 300
Mounting hole is equipped with, support column 600 can be provided with the laser light source 400, the diameter of mounting hole is less than the support column 600
Diameter.Anchor tip is provided with the outer end of support column 600, anchor tip can include fixed section 610 and clamping section,
The fixed section 610 is connected with the support column 600, and the fineness degree of fixed section 610 is less than the fineness degree of the support column 600,
Multiple elastic claws 620 circumferentially arranged on the side wall of section are clamped, one end of the elastic claw 620 is connected to the outer wall of clamping section
On, from the clamping section to 610 direction of fixed section, outer wall of the other end of the elastic claw 620 away from the clamping section,
So as to which so that elastic claw 620 is set in outside divergent shape, the elastic claw 620 is used for the electricity with the support column 600
Road plate 300 is connected to the fixed section 610.In use, circuit board 300 is pushed down on along laser light source 400, clamping section is inserted
Enter into mounting hole, mounting hole can extrude elastic claw 620 radially inward, and then circuit board 300 moves to fixed section 610, lose
The squeezing action of mounting hole is gone, elastic claw 620 recovers original unfolded state, so that circuit board 300 be clamped, prevents circuit
Plate 300 is moved along 410 length direction of laser crystal.
The quantity of the support column 600 can be four, and four support columns 600 are separately positioned on the laser light source
400 corner, can also be arranged on four sides of circuit board 300, for circuit board 300 is fixed on laser light source 400, prevent
Rocking for circuit board 300 is caused because of the vibration of laser head.
Embodiment 3
Fig. 4 be the utility model embodiment 3 provide laser head schematic diagram, as shown in figure 3, it is different from embodiment 1 it
It is in the circuit board 300 can be arranged on the madial wall of the housing 100 along its length, the institute of circuit board 300
It is parallel with the laser propagation direction in plane.
Further, the inner wall on the circuit board 300 with the housing 100 is slidably connected；Set on the circuit board 300
Sliding block is equipped with, slideway 700 is provided with the inner wall of the housing 100, and lock screw is provided with the housing 100, it is described
The precession direction of lock screw vertically with the 300 place plane of circuit board, for fixing the circuit board 300.Pass through slip
Mode, circuit board 300 is fixed, can accelerate installation with replace time.
In conclusion laser head provided by the utility model, including housing 100, light splitting piece 200, circuit board 300 and laser
Light source 400, is provided with light intensity sensor on the circuit board 300, light intensity sensor can sense the intensity for shining light on it.
Circuit board 300 and laser diode are respectively positioned on the inside of the housing 100, and circuit board 300 can be socketed in laser crystal 410
On, it can also be arranged on the inner wall of housing 100, circuit board 300 is electrically connected with laser light source 400, is connect according to light intensity sensor
Received light intensity, so as to send control signal to laser light source 400, circuit board 300 can control the defeated of the laser light source 400
Go out power, so that the output power of laser light source 400 is adjusted to preset range.The housing 100 includes light-emitting window, described point
Mating plate 200 is located at the light-emitting window, the laser that the laser light source 400 produces by being divided into two parts after the light splitting piece 200,
A copy of it projects the housing 100, another is by the reflex back reflection of light splitting piece 200 on light intensity sensor.Band
The circuit board 300 for having light intensity receptor 310 is located at the inside of laser head, so as to shorten the length of laser module, the opposing party
Face, because circuit board 300 is all disposed within housing 100 with light intensity sensor, can not use PD lines, structure simplifies, and saves
Cost.
Laser beam emitting device provided by the utility model, including above-mentioned laser head.The laser head, including housing 100,
Light splitting piece 200, circuit board 300 and laser light source 400, are provided with light intensity sensor on the circuit board 300, and light intensity sensor can be with
The intensity of light on it is shone in sensing.Circuit board 300 and laser diode are respectively positioned on the inside of the housing 100, circuit board
300 are electrically connected with laser light source 400, the light intensity received according to light intensity sensor, so as to send control letter to laser light source 400
Number, circuit board 300 can control the output power of the laser light source 400, so that the output power of laser light source 400 be adjusted
For preset range.The housing 100 includes light-emitting window, and the light splitting piece 200 is located at the light-emitting window, the laser light source 400
For the laser of generation by being divided into two parts after the light splitting piece 200, a copy of it projects the housing 100, another is through undue
The reflex back reflection of mating plate 200 is on light intensity sensor.Circuit board 300 with light intensity receptor 310 is located at laser head
Inside, so as to shorten the length of laser module, on the other hand because circuit board 300 is all disposed within light intensity sensor
In housing 100, PD lines can not be used, structure simplifies, cost-effective.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
- A kind of 1. laser head, it is characterised in that including：Housing, light splitting piece, circuit board and laser light source, set on the circuit board Light intensity sensor is equipped with, the circuit board and laser diode are located at the inside of the housing, the circuit board and laser light source It is electrically connected, the circuit board is used for the output power for controlling the laser light source；The housing includes light-emitting window, and the light splitting piece is located at the light-emitting window, and the laser that the laser light source produces passes through institute The housing is projected after stating light splitting piece；The light splitting piece includes reflecting surface, and the reflecting surface is used towards the light intensity sensor Reflexed in the laser part for producing laser light source on light intensity sensor.
- 2. laser head according to claim 1, it is characterised in that the laser light source includes laser diode and laser is brilliant Body, the laser crystal include the incidence surface and light-emitting surface being oppositely arranged, and the light-emitting window of the laser diode swashs towards described The incidence surface of luminescent crystal, the laser crystal are used to change the frequency of the laser that the laser diode is sent, so that from described The laser that laser crystal projects includes the laser of the frequency for the laser that frequency is sent different from the laser diode.
- 3. laser head according to claim 1, it is characterised in that the laser diode includes DC/DC chips, for sending out Go out laser.
- 4. laser head according to claim 2, it is characterised in that the laser crystal is in the form of a column, and the circuit board includes Through hole corresponding with the laser crystal, so that the board sleeve is located at outside the side wall of the laser crystal.
- 5. laser head according to claim 4, it is characterised in that the laser light source includes electric binding post, described to be electrically connected Connecing the outer end of column includes electrical contact head, and electric contact jack corresponding with the electrical contact head is provided with the circuit board；Alternatively,The laser light source includes electric contact jack, and electrical connection corresponding with the electrical contact head is provided with the circuit board Column, the outer end of the electric binding post include electrical contact head；So that after the board sleeve is connected on the side wall of the laser crystal, institute State electrical contact contact and be plugged on the electric contact jack, the circuit board is electrically connected with the laser crystal.
- 6. laser head according to claim 1, it is characterised in that mounting hole, the laser are provided with the circuit board Support column is provided with light source, the diameter of the mounting hole is less than the diameter of the support column；Anchor tip is provided with the support column, the anchor tip includes fixed section and clamping section, the fixed section and institute Support column connection is stated, the fineness degree of the fixed section is less than the fineness degree of the support column, described to be clamped on the side wall of section along week To multiple elastic claws of setting, one end of the elastic claw is connected on the outer wall of clamping section, from the clamping section to described solid Determine section direction, outer wall of the other end of the elastic claw away from the clamping section, the elastic claw is used for the support column will The circuit-board card is connected on the fixed section.
- 7. laser head according to claim 6, it is characterised in that the quantity of the support column is four, four branch Dagger is separately positioned on the corner of the laser light source.
- 8. laser head according to claim 1, it is characterised in that the circuit board is arranged on the madial wall of the housing On, plane where the circuit board is parallel with the laser propagation direction.
- 9. laser head according to claim 8, it is characterised in that slide and connect with the inner wall of the housing on the circuit board Connect；Sliding block is provided with the circuit board, slideway is provided with the inner wall of the housing, and locking screw is provided with the housing Silk, the precession direction of the lock screw vertically with plane where the circuit board, for fixing the circuit board.
- 10. a kind of laser beam emitting device, it is characterised in that including the laser head described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721441491.9U CN207353643U (en) | 2017-11-01 | 2017-11-01 | Laser head and laser beam emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721441491.9U CN207353643U (en) | 2017-11-01 | 2017-11-01 | Laser head and laser beam emitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353643U true CN207353643U (en) | 2018-05-11 |
Family
ID=62354203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721441491.9U Active CN207353643U (en) | 2017-11-01 | 2017-11-01 | Laser head and laser beam emitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767652A (en) * | 2018-05-31 | 2018-11-06 | 北京航空航天大学 | A kind of semiconductor laser integral structure |
| CN111830521A (en) * | 2020-07-31 | 2020-10-27 | 帷幄匠心科技（杭州）有限公司 | Laser induction strip and induction method |
-
2017
- 2017-11-01 CN CN201721441491.9U patent/CN207353643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767652A (en) * | 2018-05-31 | 2018-11-06 | 北京航空航天大学 | A kind of semiconductor laser integral structure |
| CN111830521A (en) * | 2020-07-31 | 2020-10-27 | 帷幄匠心科技（杭州）有限公司 | Laser induction strip and induction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Laser head and laser emission device Effective date of registration: 20190108 Granted publication date: 20180511 Pledgee: Qingdao High-tech Zone High-tech Microfinance Co., Ltd. Pledgor: Qingdao Leichuang Photoelectric Technology Co.,Ltd. Registration number: 2019370010004 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190401 Granted publication date: 20180511 Pledgee: Qingdao High-tech Zone High-tech Microfinance Co., Ltd. Pledgor: Qingdao Leichuang Photoelectric Technology Co.,Ltd. Registration number: 2019370010004 |
|
| PC01 | Cancellation 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 utility model: Laser head and laser emission device Effective date of registration: 20190515 Granted publication date: 20180511 Pledgee: Qingdao High-tech Zone High-tech Microfinance Co., Ltd. Pledgor: Qingdao Leichuang Photoelectric Technology Co.,Ltd. Registration number: 2019370010044 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210520 Granted publication date: 20180511 Pledgee: Qingdao High-tech Zone High-tech Microfinance Co.,Ltd. Pledgor: QINGDAO LASENCE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: 2019370010044 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |