CN208656912U - Dual camera motor - Google Patents
Dual camera motor Download PDFInfo
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- CN208656912U CN208656912U CN201821454034.8U CN201821454034U CN208656912U CN 208656912 U CN208656912 U CN 208656912U CN 201821454034 U CN201821454034 U CN 201821454034U CN 208656912 U CN208656912 U CN 208656912U
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- magnet
- magnetic
- lens carrier
- dual camera
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Abstract
The utility model relates to a kind of dual camera motors comprising two lens carriers, the first driving coil group for driving the first lens carrier mobile and the first magnet and the second driving coil group and the second magnet for driving the second lens carrier to focus.In the initial state, from X-direction, two piece of first magnet is more more outward than the magnet outer fringe position of the second magnet in the Y-axis direction in the magnet outer fringe position of Y direction.The utility model optimizes the magnet arrangement structure of two group of magnets of dual camera motor, reduces the magnetic force between two group of magnets and interlocks degree, reduces magnetic force interference, ensure that the driving quality of dual camera motor.
Description
Technical field
The utility model relates to optical lens actuation techniques fields, and in particular to a kind of dual camera motor.
Background technique
Along with development in science and technology in recent years, all kinds of mobile devices such as laptop, tablet computer, mobile phone etc. are also fast
It updates fastly, the function of integrating is more and more, double in order to reach higher-quality imaging in terms of camera function
Motor of camera starts to rise.Dual camera motor can be shot simultaneously using two cameras, and it is high can to compensate acquisition mutually
The photo of quality, can also be by the video of the image synthesis 3D effect of two camera shootings.
Voice coil motor is usually used in lens driving motor on existing portable device.Voice coil motor is to utilize magnet
Permanent-magnetic field and the hot-wire coil Lorentz force that generates drive camera lens mobile, realize focusing.Dual camera motor is come
Say, two voice coil motors needed to respectively drive two lens groups, and two groups of magnet of two voice coil motors be easy to produce it is mutual
Magnetic interference, filming image quality.
Such as VCM(Voice Coil Motor, voice coil motor, simple focusing is without stabilization function) collocation OIS(Optical
Image Stabilization, optical anti-vibration, have focusing and stabilization dual function) dual camera motor, in order to reduce magnetic
Annoyance level between iron reduces inside VCM loss to OIS mould using magnetic conduction sheet is arranged in pairs or groups on unipolarity magnet in VCM mould group
The magnetic field of block reduces magnetic disturbance, this causes VCM mould group to increase this component of magnetic conduction sheet, squeezes the inner space VCM, and in cost
It rises.In such dual camera motor, it is dry that magnetic can also be reduced using single side bipolar magnet in VCM mould group
It disturbs, but the manufacturing process complexity and quality of finished stability of single side bipolar magnet are lower, cause to drive effect poor, cost is again
It is high.
Summary of the invention
To solve the above-mentioned problems, it is low to provide magnetic disturbance degree between two motor of camera of one kind for the utility model
Dual camera motor.
A kind of dual camera motor comprising: the first lens carrier and the second lens carrier, wherein define one of them
The optical axis direction for the lens that lens carrier is carried is Z-direction, and definition is perpendicular to the Z-direction and two orthogonal
Direction is X-direction and Y direction；For driving the first driving coil group of the first lens carrier movement and being in substantially parallel relationship to X
First magnet of the two boards shape of axis direction and the defined plane of Z-direction；And for driving the movement of the second lens carrier
Second driving coil group and four piece of second magnet for being circumferentially positioned at the second lens carrier periphery.Wherein, in the initial state, from
X-direction observation, magnet outer fringe position magnetic than second magnet in the Y-axis direction of two piece of first magnet in Y direction
Iron outer fringe position is more outward.
Preferably, from X-direction, two piece of first magnet is more than second in the magnet outer fringe position of Y direction
The distance of the magnet outer fringe position of magnet in the Y-axis direction is less than or equal to the thickness of the first magnet.
As an implementation, the magnetizing direction of first magnet is parallel to Y direction and perpendicular to Z-direction,
The magnetizing direction and X-axis of second magnet or the angle of Y direction are 45 ° and perpendicular to Z-direction.
As an implementation, first magnet and the second magnet are single side unipolarity magnet.
Preferably, corresponding magnetic conduction sheet is not provided between two piece of first magnet.
As an implementation, second magnet is substantially in being parallel to the plate magnet of Z-direction, around the
The rounded array arrangement of the central axis of two lens carriers.
As an implementation, the magnetic pole of two piece of first magnet towards the one side of the first lens carrier is identical, and
It is identical towards the magnetic pole of one side of the second lens carrier as four piece of second magnet.
As an implementation, the dual camera motor further includes for driving the big of the first lens carrier movement
Body is parallel to the third magnet of the two boards shape of Y direction and the defined plane of Z-direction；Four piece of second magnet is divided into and is located at
Two groups of the two sides of Y direction are arranged one then for reducing the second magnet and third magnet between the second magnet of the two of every group block
Between magnetic disturbance magnetic conductive component.
As an implementation, the one side of two piece of first magnet and two pieces of third magnet first lens carriers of direction
Magnetic pole it is identical and identical towards the magnetic pole of one side of the second lens carrier as four piece of second magnet；When the magnetic conductive component is
When single side homopolar magnet, third magnet close to each other is identical with the magnetizing direction of magnetic conductive component.
As an implementation, the dual camera motor further includes for driving the big of the first lens carrier movement
Body is parallel to the third magnet of the two boards shape of Y direction and the defined plane of Z-direction, and is positioned close to the first magnet
Two piece of second magnet between the magnetic conductive component for reducing magnetic disturbance between the second magnet and third magnet；Described two piece
One magnet and the magnetic pole of two blocks of third magnet towards the one sides of the first lens carrier are identical, and with four piece of second magnet towards second
The magnetic pole of the one side of lens carrier is identical；When the magnetic conductive component be single side homopolar magnet when, the magnetic conductive component and close to its
Third magnet magnetizing direction it is identical.
The utility model creatively optimizes the magnet arrangement structure of two group of magnets of dual camera motor, thus i.e.
Make all using single side unipolarity magnet, also can reduce to big degree the magnetic force between two motor of camera and interlock degree, drop
Low magnetic force interference, ensure that the image quality of dual camera motor.To meet magnetic disturbance using unipolarity magnet and want
It asks, and without using magnetic conduction sheet, reduces production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the dual camera motor in the utility model embodiment one.
Fig. 2 is the first group of magnets of the present embodiment and the second group of magnets relative positional relationship schematic diagram.
Fig. 3 is magnetic-force density distribution map when the existing two side ends there are two the projection of group of magnets in the Y-axis direction flush.
Fig. 4 is that the two side ends of the projection of the first group of magnets of the utility model in the Y-axis direction exceed the throwing of the second group of magnets
Magnetic-force density distribution map when shadow.
Fig. 5 is the structural schematic diagram of the dual camera motor in the utility model embodiment two.
Fig. 6 is the magnetic field dependence schematic diagram in embodiment two between two groups of magnet.
Fig. 7 suction repulsion relation schematic diagram between two groups of magnet in embodiment two.
Specific embodiment
For convenient for those skilled in the art understand that the utility model, practical to this below in conjunction with specific embodiments and the drawings
It is novel to be described in further detail.
Embodiment one:
In the present embodiment, referring to FIG. 1, a kind of dual camera motor using VCM motor (only have focus function) 10 with
The combined form of OIS motor (while there is focus function and stabilization function) 20.Wherein VCM motor 10 includes the first lens carrier
11 and the first driving unit for driving the first lens carrier 11 mobile.First driving unit includes in the side perpendicular to optical axis
Upwards mutually every empty opposed the first driving coil group (not shown) and two piece of first magnet 12.Support member removes the first lens branch
It further include being set to the perimeter support member (not shown) of 11 peripheral side of the first lens carrier and by the first lens branch outside frame 11
11 suspension of frame is supported on the inside of perimeter support member (is schemed not with the elastic component for allowing the first lens carrier to move along optical axis direction
Show).Wherein driving coil is fixed on the lateral wall of the first lens carrier, and the first magnet is fixed on perimeter support member.Work
In, it is powered to the driving coil in magnetic field of magnets, pushes the first lens carrier to realize to mirror using the Lorentz force of generation
The focusing driving function of head.Additionally closed loop control function can be realized by allocation position induction sensor and magnet.It examines
Considering VCM motor overall construction has been the prior art, illustrates only section components in Fig. 1 and Fig. 2.
For convenience of description, the optical axis direction for defining the lens that the first lens carrier 11 is carried is Z-direction, and definition is vertical
In Z-direction and orthogonal both direction is X-direction and Y direction.It also defines subject and is located at optical axis direction
Front.In Fig. 1 and Fig. 2, the direction of vertical picture is Z-direction.In the present embodiment, the first magnet 12 is two pieces of rectangular plate lists
Face homopolar magnet (magnet is bipolar magnet, and magnetic pole is located at two faces of plate), is separately positioned on the two sides of X-direction, magnetic
Pole-face (namely substantially or be similar to) is in substantially parallel relationship to X-direction and the defined plane of Z-direction, and the first lens branch of direction
The magnetic pole of the magnetic pole strength of frame 11 is identical, is the pole N or the pole S.And first the magnetizing direction of magnet 12 (also hang down perpendicular to magnetic pole strength
The plane directly defined in X-direction and Z-direction, as shown in arrow S in Fig. 2).
OIS motor 20 includes the second lens carrier 21 and the second driving unit for driving the second lens carrier 21 mobile
With third driving unit.The optical axis direction for the lens that second lens carrier 21 is carried is parallel to Z-direction.Second driving unit
For driving the second lens carrier 21 to move along the direction of lens axis to realize focus function comprising perpendicular to optical axis
Mutually every empty opposed the second driving coil group (not shown) and four piece of second magnet 22 on direction.Third driving unit is for driving
Dynamic second lens carrier 21 is moved along the direction perpendicular to lens axis to realize shake compensation functionality comprising is fixed on optical axis
Multiple stabilization driving coils (being wound around the direction for being parallel to optical axis, not shown) at direction rear and above-mentioned four piece of second magnet
22.Stabilization driving coil is with the second magnet 22 in the direction of the optical axis every empty opposed.Support member is in addition to the second lens carrier 21
It further include the magnet holder (not shown) for fixing the second magnet 22 for being set to 11 peripheral side of the first lens carrier, for inciting somebody to action
Second lens carrier, 21 suspension is supported on the inside of magnet holder to allow the first lens carrier opposed magnet bracket along optical axis direction
Mobile elastic component (such as flat spring, not shown) and for supporting magnet holder suspension to allow magnet holder to exist
Perpendicular to the mobile elastic component in the direction of optical axis, (such as linear springs extended along the direction for being parallel to optical axis direction, figure is not
Show).Wherein the second driving coil is fixed on the lateral wall of the second lens carrier.In work, to second in magnetic field of magnets
Driving coil is powered, and pushes the second lens carrier in mobile pair realized to camera lens in the direction of optical axis using the Lorentz force of generation
Burnt driving function.By being powered to stabilization driving coil, push magnet holder with the second lens using the Lorentz force of generation
Bracket is in the mobile realization shake compensation functionality in direction perpendicular to optical axis.In view of OIS motor overall construction has been the prior art,
Section components are only shown in figure.
In the present embodiment, the second magnet 22 is the single side homopolar magnet of four pieces of plates that are substantially square, and magnetic pole strength is parallel to
The state of optical axis direction is looped around the peripheral side of the second lens carrier 21, and rounded array arrangement (rotational symmetry is distributed).From
The direction of lens axis is observed, and each magnet of the second group of magnets is also substantially square plate, and both side ends are triangular in shape.Definition
X-direction and Y direction about the z axis direction rotate counterclockwise the direction after 45 degree of angles (rotate clockwise can also) be X ' axis direction and
Y ' axis direction.Then the magnetic pole strength of the second magnet 22 is respectively perpendicular to X ' axis direction and Y ' axis direction, and is parallel to Z-direction.
In addition, the magnetic pole of the magnetic pole strength of the second lens carrier 21 of direction of the second magnet 22 is all the same, and with the first magnet 12 towards the
The magnetic pole of the magnetic pole strength of one lens carrier 11 is identical.And second magnet 22 magnetizing direction magnetic pole strength vertical to itself (with X
The angle for the plane that axis direction and Z-direction define is 45 degree).
Particularly, in the initial state, from X-direction (and stand and be oriented parallel to lens axis direction), two pieces
First magnet 12 Y direction magnet outer fringe position (end position of projection of the magnet in Y-axis) than the second magnet 22 in Y
Magnet outer fringe position in axis direction is more outward.In more detail, when Z axis is located at the axle center of the first lens carrier 11, be located at+
First magnet 12 of Y-axis side is greater than the distalmost end of projection of second magnet 22 in+Y-axis side in the distal end of the projection of+Y-axis side
Portion.And be located at-the first magnet 12 of Y-axis side in the distal end of the projection of-Y-axis side is greater than the second magnet 22 in the throwing of-Y-axis side
The distal end of shadow.Please refer to the distal end that dotted line in Fig. 2 is identified.
Arrangement as two group of magnets, in the case where not using magnetic conduction sheet, even if all using single side monopole
Property magnet can also largely reduce the magnetic force between two group of magnets and interlock degree, significantly reduce mutual
Interference, and then the performance of two motor of camera can be made more stable.It is 9.5mm (length) x8mm with motor dimension VCM motor
(width) and OIS motor are that 9.5mm (length) x9.5mm (width) is example, as shown in figure 3, being existing dual camera motor ---
VCM motor uses single side homopolar magnet, does not use magnetic conduction sheet, and the structural schematic diagram that magnet end flushes, and the first of VCM motor
Stronger magnetic disturbance is produced between magnet and the second magnet of adjacent OIS motor (at b in Fig. 3 and c two).Such as Fig. 4 institute
Show, is the dual camera motor of the utility model, using same size, from X-direction, two piece of first magnet is in Y-axis
The magnet outer fringe position in direction is more than that the distance of the magnet outer fringe position of the second magnet in the Y-axis direction is the thickness of the first magnet
Half magnetic field, it is seen that magnetic disturbance significantly reduce (at b ' in Fig. 4 and c ' two).
In other embodiments, the first magnet and the second magnet can be adjusted according to the actual situation at the end of the projection of Y direction
Portion's distance.Preferably, from X-direction, two piece of first magnet is more than the second magnetic in the magnet outer fringe position of Y direction
The distance of the magnet outer fringe position of iron in the Y-axis direction is less than or equal to the thickness of the first magnet.Such configuration allows VCM motor
In the case where not configuring magnetic conduction sheet, single side unipolarity magnet is can also be used in the first magnet.
Two motors can be loaded in the shell 100 of a rectangular-shape.
Embodiment two:
Fig. 5 and Fig. 6 are please referred to, the difference between this embodiment and the first embodiment lies in using two OIS motors.Wherein it is located at
Scheme the first OIS motor of OIS motor 20(on right side), OIS motor 30(twoth OIS positioned at left side identical as in embodiment one
Motor) it is similar to the structure on right side, the difference is that the placement position of the third magnet 32 of the 2nd OIS motor 30 (can manage
Solution, the also corresponding adjustment of the position of the associated components such as stabilization driving coil, therefore not to repeat here).Specifically, wherein two pieces it is rectangular
The single side monopole third magnet 32 of plate is separately positioned on the two sides of X-direction, and magnetic pole strength is substantially (namely substantially or approximate
In) it is parallel to X-direction and the defined plane of Z-direction.The single side monopole third magnet 32 ' of other two pieces of rectangular plates is respectively
The two sides of Y direction are set, and magnetic pole strength substantially (namely substantially or be similar to) is parallel to Y direction and Z-direction is determined
Adopted plane.The magnetic pole of the magnetic pole strength towards the third lens bracket 31 of third magnet 32,32 ' is identical, and with the second magnet 22
Magnetic pole towards the magnetic pole strength of the second lens carrier 21 is identical.And the magnetizing direction of third magnet 32,32 ' is perpendicular to respective
Magnetic pole strength.
In addition, it is similar with the first magnet 12 in embodiment one, from X-direction (and stand and be oriented parallel to
Mirror optical axis direction), the two blocks of third magnet 32 of the 2nd OIS motor 30 being located in Y direction are in the magnet outer rim position of Y direction
(end position of projection of the magnet in Y-axis) is set to compare outside the magnet of the second magnet 22 of the first OIS motor 20 in the Y-axis direction
Edge position is more outward.In more detail, the third magnet when Z axis is located at the axle center of the third lens bracket 31, positioned at+Y-axis side
32 are greater than the distal end of projection of second magnet 22 in+Y-axis side in the distal end of the projection of+Y-axis side.And it is located at-Y-axis side
Third magnet 32 be greater than the distal end of projection of second magnet 22 in-Y-axis side in the distal end of the projection of-Y-axis side.Such as
This, can reduce the magnetic disturbance between third magnet 32 and the second magnet 22.
In order to reduce magnetic disturbance of the two blocks of third magnet 32 ' being located in X-direction to the second magnet 22, the first OIS horse
Two pieces of magnetic conductive components 25 are additionally provided in up to 20.Magnetic conductive component 25 can be metal magnetic conducting piece, can also be permanent magnet or electromagnet.This reality
It applies in example, using single side homopolar magnet.By four piece of second magnet 22 divide for positioned at the two sides of Y direction (namely be located at X-direction
On) two groups, then between the second magnet of the two of every group block 22 setting one for reducing the second magnet 22 and third magnet 32,32 '
Between magnetic disturbance magnetic conductive component 25.The magnetic pole of the magnetic pole strength of the second lens carrier 21 of direction of magnetic conductive component 25 is identical, and with
The magnetic pole of the magnetic pole strength of the second lens carrier 21 of direction of second magnet 22 is opposite.In this way, one block of third magnet close to each other
32 ' and magnetic conductive component 22 attract each other state in paramagnetic, thus the middle part shape between the first OIS motor and the 2nd OIS motor
At suction region, and repulsion region (as shown in Figure 7) is formed in both sides.Preferably, by the way that the second magnet 22, third magnetic is arranged
The size and positional relationship of iron 32,32 ' and magnetic conductive component 25, so that the suction in suction region is equal with the repulsion in repulsion region,
The magnetic force interference between the first OIS motor and the 2nd OIS motor be can reach close to zero state.
It should be understood that block magnetic conductive component 25 far from third magnet 32 ' can omit, position detection magnetic also can be used as
Iron.
It should be understood that one or both of the first magnet and the second magnet can also be double for single side in other embodiments
Polarity or multi-stage type magnet, can also realize approximate effect.
Although the description combination embodiments above to the utility model carries out, it is familiar with the art
Personnel can carry out many replacements, modifications and variations based on the above contents, be obvious.Therefore, all such to replace
Generation, improvements and changes are included in scope of the appended claims.
Claims (10)
1. a kind of dual camera motor, comprising:
First lens carrier and the second lens carrier, wherein define the optical axis side for the lens that one of lens carrier is carried
To for Z-direction, definition is perpendicular to the Z-direction and orthogonal both direction is X-direction and Y direction；
The first driving coil group for driving the first lens carrier mobile and it is in substantially parallel relationship to X-direction and Z-direction is determined
First magnet of the two boards shape of adopted plane；And
For driving the second driving coil group of the second lens carrier movement and being circumferentially positioned at the four of the second lens carrier periphery
The second magnet of block；
It is characterized by:
In the initial state, from X-direction, two piece of first magnet Y direction magnet outer fringe position than second
The magnet outer fringe position of magnet in the Y-axis direction is more outward.
2. dual camera motor according to claim 1, which is characterized in that from X-direction, two piece of first magnetic
Iron is less than or waits in the distance that the magnet outer fringe position of Y direction is more than the magnet outer fringe position of the second magnet in the Y-axis direction
In the thickness of the first magnet.
3. dual camera motor according to claim 2, which is characterized in that the magnetizing direction of first magnet is parallel to
Y direction and perpendicular to Z-direction, the magnetizing direction of second magnet with the angle of X-axis or Y direction are 45 ° and vertical
In Z-direction.
4. dual camera motor according to claim 1 or 2 or 3, which is characterized in that first magnet and the second magnet
It is single side unipolarity magnet.
5. dual camera motor according to claim 4, which is characterized in that be not provided with phase between two piece of first magnet
Corresponding magnetic conduction sheet.
6. dual camera motor according to claim 5, which is characterized in that second magnet is substantially in being parallel to Z
The plate magnet of axis direction, around the rounded array arrangement of central axis of the second lens carrier.
7. dual camera motor according to claim 6, which is characterized in that the first lens of the two piece of first magnet direction
The magnetic pole of the one side of bracket is identical, and identical towards the magnetic pole of one side of the second lens carrier as four piece of second magnet.
8. dual camera motor according to claim 1 or 2 or 3, which is characterized in that further include for driving the first lens
The third magnet of the mobile two boards shape for being in substantially parallel relationship to Y direction and the defined plane of Z-direction of bracket；By four piece second
Magnet is divided into two groups positioned at the two sides of Y direction, then one is arranged between the second magnet of the two of every group block for reducing the second magnetic
The magnetic conductive component of magnetic disturbance between iron and third magnet.
9. dual camera motor according to claim 8, which is characterized in that two piece of first magnet and two blocks of third magnetic
The magnetic pole of iron towards the one side of the first lens carrier is identical, and the magnetic with the one side of four piece of second magnet the second lens carrier of direction
It is extremely identical；When the magnetic conductive component is single side homopolar magnet, the magnetizing direction of third magnet close to each other and magnetic conductive component
It is identical.
10. dual camera motor according to claim 1 or 2 or 3, which is characterized in that further include saturating for driving first
The third magnet of the mobile two boards shape for being in substantially parallel relationship to Y direction and the defined plane of Z-direction of mirror support, and setting
The magnetic conduction for reducing magnetic disturbance between the second magnet and third magnet between two piece of second magnet close to the first magnet
Element；Two piece of first magnet and the magnetic pole of two blocks of third magnet towards the one sides of the first lens carrier are identical, and with four pieces
The magnetic pole of second magnet towards the one side of the second lens carrier is identical；It is described when the magnetic conductive component is single side homopolar magnet
Magnetic conductive component is identical as the magnetizing direction of third magnet close to it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454034.8U CN208656912U (en) | 2018-09-06 | 2018-09-06 | Dual camera motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454034.8U CN208656912U (en) | 2018-09-06 | 2018-09-06 | Dual camera motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208656912U true CN208656912U (en) | 2019-03-26 |
Family
ID=65792719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821454034.8U Withdrawn - After Issue CN208656912U (en) | 2018-09-06 | 2018-09-06 | Dual camera motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208656912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810389A (en) * | 2018-09-06 | 2018-11-13 | 惠州大亚湾三美达光学技术有限公司 | Dual camera motor |
| CN112954144A (en) * | 2019-11-26 | 2021-06-11 | 华为技术有限公司 | Motor, image pickup device and terminal equipment |
-
2018
- 2018-09-06 CN CN201821454034.8U patent/CN208656912U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810389A (en) * | 2018-09-06 | 2018-11-13 | 惠州大亚湾三美达光学技术有限公司 | Dual camera motor |
| CN112954144A (en) * | 2019-11-26 | 2021-06-11 | 华为技术有限公司 | Motor, image pickup device and terminal equipment |
| CN112954144B (en) * | 2019-11-26 | 2022-07-12 | 华为技术有限公司 | Motor, image pickup device and terminal equipment |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: Xiangshuihe Industrial Park, Dayawan Economic and Technological Development Zone, Huizhou City, Guangdong Province Patentee after: Huizhou Sazhide Optoelectronics Technology Co.,Ltd. Address before: 516083 4th floor, No.6 workshop, Yongchang electronics company, Xiangshuihe Industrial Park, Daya Bay, Huizhou City, Guangdong Province Patentee before: HUIZHOU DAYA BAY JSS OPTICAL TECHNOLOGY Co.,Ltd. Patentee before: HUIZHOU DAYA BAY EVER BRIGHT ELECTRONICS & INDUSTRIAL Co.,Ltd. Patentee before: JSS OPTICAL TECHNOLOGY Co.,Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190326 Effective date of abandoning: 20230801 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190326 Effective date of abandoning: 20230801 |
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