CN203912055U - Voice coil motor and camera module - Google Patents
Voice coil motor and camera module Download PDFInfo
- Publication number
- CN203912055U CN203912055U CN201420225846.0U CN201420225846U CN203912055U CN 203912055 U CN203912055 U CN 203912055U CN 201420225846 U CN201420225846 U CN 201420225846U CN 203912055 U CN203912055 U CN 203912055U
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- China
- Prior art keywords
- base
- ring
- voice coil
- coil motor
- lens mount
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- Expired - Lifetime
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- 239000000758 substrate Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 53
- 238000002955 isolation Methods 0.000 abstract 5
- 230000000694 effects Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Studio Devices (AREA)
- Lens Barrels (AREA)
Abstract
The utility model provides a voice coil motor. The voice coil motor comprises a base, a camera seat and a square housing. The base has a square flat main body and centrally provided with a first round hole. The camera seat stands above the base. The square housing covers the camera seat and the base, and is provided with a second round hole on the top surface. A sheet magnet is fixed on the inner wall of the housing. The base and the camera lens are split. The base includes an upper plane, an outer wall projecting upward along the edge of the upper plane, and a retainer ring projecting upward along the edge of the first round hole. The periphery of the retainer ring is provided with an isolation ring. The lower end of the camera seat protrudes downwardly, forming a ring-shaped jack for the isolation ring to plug. The isolation ring is plugged into the jack. The jack of the camera seat and the isolation ring of the base are in plug connection, thereby forming an isolation wall. The retainer ring of the base is close to the jack of the camera seat. Compared with the prior art, the voice coil motor provided by the utility model has the advantages that the retainer ring of the base is close to the jack of the camera seat, and a groove structure which receives air dust to the internal of the voice coil motor is omitted, so that the internal influence caused by the dust received by the groove structure is prevented.
Description
Technical field
The utility model relates to a kind of voice coil motor with dustproof construction.
The utility model also relates to the camera module that above-mentioned voice coil motor is housed.
Background technology
As depicted in figs. 1 and 2, at present at mobile phone, notebook, conventional camera module on the electronic products such as panel computer, comprise camera lens 20, infrared filter 30, substrate 50, be installed on imageing sensor 60 and voice coil motor 10 on substrate 50, wherein, voice coil motor 10 comprises main body be square flat and the middle base 11 that has the first circular hole, stand on the lens mount 12 of base 11 tops and cover in lens mount 12 and base 11 on end face have the square shell 15 of the second circular hole, on the inwall of shell 15, be fixed with flaky magnet 16, magnet 16 and shell 15 form peripheral wall, gap between peripheral wall and the outer wall of lens mount forms air flue 100, the position of lens mount 12 magnet 16 on opposite shell 15 inwalls is provided with coil 17, between lens mount 12 and base 11, be provided with middle part and open the springs 18 of the 3rd circular hole, the diameter of the 3rd circular hole of the first circular hole of base 11, the second circular hole of shell and spring can be complied with assembled camera lens 20 sizes and be determined, and can coordinate to install to be as the criterion with camera lens 20 and lens mount 12.Camera lens 20 is threaded connection with the lens mount 12 of voice coil motor 10, and infrared filter 30 is mounted on the base 11 of voice coil motor 10, and camera lens 20, infrared filter 30 surround cavity with the base 11 of voice coil motor 10.
The dust access path of existing voice coil motor 10 is: fall into base 11 through air flue 100.Common dustproof construction is, the back-up ring 117 raising up along the first circular hole edge is set on base 11, and the position of the corresponding back-up ring 117 in lower end of lens mount 12 is provided with baffle ring 127, falls into cavity by back-up ring 117 with the blocks dust that coordinates to come of baffle ring 127; The outer wall 115 that base 11 also has upper plane 112 and raises up along upper plane outer rim, outer wall stands on magnet below, and utilizes the groove 113 of formation between back-up ring 117 and outer wall 115 to receive dust, to prevent that dust from further falling in cavity.
But because the gap between the peripheral wall of voice coil motor 10 and the outer wall of lens mount 12 cannot be eliminated by process means, the air flue 100 of voice coil motor 10 needs to be in communication with the outside all the time in other words, thereby whenever, as long as there is the occasion of air, dust just likely floats; As long as gapped, even gap is less, dust also may float and enter.Therefore,, from macroscopical angle, back-up ring 117 has certain barrier effect to dust.But the quality inspection to camera module is carried out under the microscope, dust as herein described is the concept on microcosmic, and for camera lens, less dust content is still many, the impact of photographic effect is still huge, and very likely causes camera lens dirty bad.In addition the groove 113 that back-up ring 117 forms on base 11, in it, the dust of storage has increased the dust content in voice coil motor machine 10 bodies virtually greatly, and this allows the interior showy dust quantity of voice coil motor 10 significantly promote, and cannot be removed by maintenance.
Now also can take to improve craft precision, to make as far as possible back-up ring 117 and baffle ring 127 press close to, carry out blocks dust.But as previously mentioned, dust is small, from the angle of microcosmic, gapped, just has Air Flow, has Air Flow, just blocks dust completely.Airborne dust can not all stop or eliminate, and constantly reduces only.And too little mechanical clearance, because the phase mutual friction between mechanism's part increases, more likely because friction increases collision and the friction between member, and then produces dust.
In view of this, provide a kind of voice coil motor of the groove structure that can get rid of storage koniology real in necessary.
Utility model content
Technical problem to be solved in the utility model is: how to get rid of the groove structure of receiving koniology, with the dust of eliminating voice coil motor by the dirty internal influence factor of camera lens.
In order to solve the problems of the technologies described above, the utility model provides a kind of voice coil motor, comprise main body be square flat and the middle base that has the first circular hole, stand on the lens mount of base top and cover in lens mount and base on end face have the square shell of the second circular hole, on the inwall of described shell, be fixed with flaky magnet; The position of described lens mount magnet on opposite shell inwall is provided with coil, opens the springs of the 3rd circular hole between described lens mount and base in the middle part of being provided with; Described base and lens mount are splits, and described base has upper plane, the outer wall raising up along upper plane outer rim and the back-up ring raising up along the first circular hole edge; Described outer wall stands on magnet below, the outer cage ring that is arranged with of described back-up ring, the lower end of described lens mount is extended with the annular spigot of inserting for cage ring downwards, and described cage ring is plugged in socket, and the cage ring socket connection of the socket of described lens mount and base is to form partition wall; The back-up ring of described base is near the socket of lens mount.
Because the back-up ring of voice coil motor base is near the socket of lens mount, gets rid of storage koniology in the groove structure of voice coil motor inside, thereby eliminated the inherent influencing factor of dust that groove structure is received; And due to the segmentation effect to space of the socket connection structure of the socket of lens mount and the cage ring of base, the difficulty that dust floats, leaps between each gap is increased greatly, the movable space of dust is cut down greatly, the kinetic energy that dust obtains from Air Flow is also just fewer, thereby impel the more deep transfixion that is more tending towards of dust of falling into base, to reduce the quantity of showy dust in cavity.Separately due to the socket of lens mount and the interlock after socket connection of the cage ring of base comparatively tight, thereby increased dust by the degree of difficulty in bending interlock path, effectively reduced the quantity that enters of external dust.
One as voice coil motor of the present utility model is improved, the annular spigot that stretch out downwards the lower end of described lens mount, surrounded to inner ring and the outer ring of lower convexity by the lower end along lens mount, described inner ring and outer ring are two annular concentric circles, and described cage ring inserts between inner ring and outer ring; The inner ring thickness of the back-up ring of described base and the spacing of cage ring and lens mount is suitable.
One as voice coil motor of the present utility model is improved, and the cage ring of described base is the loop configuration of sealing.
One as voice coil motor of the present utility model is improved, and the cage ring of described base is the segmented annular structure with opening.
One as voice coil motor of the present utility model is improved, and the shape of the cage ring of described base is circular.
One as voice coil motor of the present utility model is improved, and the shape of the cage ring of described base is the square of rounding.
One as voice coil motor of the present utility model is improved, and the shape of the cage ring of described base is down the square of corner.
Improve as the one of voice coil motor of the present utility model, described in be located at the spring between lens mount and base, peaked at by the cage ring of base in the socket of lens mount.
The utility model also provides a kind of camera module, comprise camera lens, infrared filter, substrate and be installed on the imageing sensor on substrate, also comprise voice coil motor described in the utility model, the lens mount of described camera lens and described voice coil motor is threaded connection, described infrared filter is mounted on the base of voice coil motor, described base is fixedly installed on substrate, described camera lens, the base of infrared filter and described voice coil motor surrounds the cavity that holds imageing sensor, the cage ring socket connection of the socket of the lens mount of described voice coil motor and base makes cavity and the extraneous partition wall of clearly separating to form.
With respect to prior art, the utility model camera module, because the back-up ring of voice coil motor base is near the socket of lens mount, got rid of the groove structure of storage koniology in voice coil motor or in camera module, thereby eliminated dust that groove structure is received, in cavity, oneself raises and causes dirty interior in influencing factor of camera lens; And due to the segmentation effect to space of the socket connection structure of the socket of lens mount and the cage ring of base, the difficulty that dust floats, leaps between each gap is increased greatly, the movable space of dust is cut down greatly, the kinetic energy that dust obtains from Air Flow is also just fewer, thereby impel the more deep transfixion that is more tending towards of dust of falling into base, to reduce the quantity of showy dust in cavity.Separately due to the socket of lens mount and the interlock after socket connection of the cage ring of base comparatively tight, thereby increase dust by the degree of difficulty in bending interlock path, effectively reduce the quantity that external dust enters cavity, ensured better the dustless operational environment of camera lens.
Brief description of the drawings
Fig. 1 is the cutaway view of camera module of the prior art.
Fig. 2 is the vertical view of the base of camera module of the prior art.
Fig. 3 is the cutaway view of voice coil motor of the present utility model.
Fig. 4 is the vertical view of the base of voice coil motor of the present utility model.
Fig. 5 is the upward view of the lens mount of voice coil motor of the present utility model.
Fig. 6 is the vertical view of the base of the voice coil motor of other embodiment of the utility model, and the cage ring of this base adopts the square structure of rounding.
Fig. 7 is the vertical view of the base of the voice coil motor of other embodiment of the utility model, and the cage ring of this base adopts the square structure of corner.
Fig. 8 is the vertical view of the base of the voice coil motor of other embodiment of the utility model, and the cage ring of this base adopts the segmented annular structure with opening.
Fig. 9 is the cutaway view of camera module of the present utility model.
Embodiment
Refer to Fig. 3 and Fig. 4, a kind of voice coil motor 10, comprise main body be square flat and the middle base 11 that has the first circular hole, stand on the lens mount 12 of base 11 tops and cover in lens mount 12 and base 11 on end face have the square shell 15 of the second circular hole, on the inwall of shell 15, be fixed with flaky magnet 16, magnet 16 and shell 15 form peripheral wall, and the gap between peripheral wall and the outer wall of lens mount 12 forms air flue 200; The position of lens mount 12 magnet 16 on opposite shell 15 inwalls is provided with coil 17, between lens mount 12 and base 11, be provided with middle part and open the springs 18 of the 3rd circular hole, the diameter of the 3rd circular hole of the first circular hole of base 11, the second circular hole of shell 15 and spring 18 can be complied with assembled camera lens 20 sizes and be determined, can coordinate to install with camera lens 20 and lens mount 12 and be as the criterion, wherein, base 11 is splits with lens mount 12, and base 11 has upper plane 112, the outer wall 115 raising up along upper plane outer rim and the back-up ring 117 raising up along the first circular hole edge; Outer wall 115 stands on magnet 16 belows; The outer cage ring 119 that is arranged with of back-up ring 117, the lower end of lens mount 12 is extended with the annular spigot 120 of inserting for cage ring 119 downwards, cage ring 119 is plugged in socket 120, the back-up ring 117 of base is near the socket 120 of lens mount, and the socket 120 of lens mount and cage ring 117 socket connections of base are to form the partition wall that clearly cuts off air flue 200.
Because the back-up ring 117 of base 11 is near the socket 120 of lens mount 12, gets rid of storage koniology in the groove structure of voice coil motor 10 inside, thereby eliminated the inherent influencing factor of dust that groove structure is received; And the segmentation effect to space due to the socket 120 of lens mount and the socket connection structure of the cage ring 119 of base, the difficulty that dust floats, leaps between each gap is increased greatly, the movable space of dust is cut down greatly, the kinetic energy that dust obtains from Air Flow is also just fewer, thereby impel the more deep transfixion that is more tending towards of dust of falling into base 11, to reduce the quantity of showy dust in cavity.The another socket 120 due to lens mount is comparatively tight with cage ring 119 interlock after socket connection of base, thereby has increased dust by the degree of difficulty in bending interlock path, has effectively reduced the quantity that enters of external dust.
As shown in Figure 5, preferably, the annular spigot 120 that stretch out downwards the lower end of lens mount 12, is surrounded to inner ring 121 and the outer ring 123 of lower convexity by the lower end along lens mount 12, inner ring 121 and outer ring 123 are two concentric turns, and cage ring 119 inserts between inner ring 121 and outer ring 123; The back-up ring 117 of base is suitable with the inner ring of lens mount 121 thickness with the spacing of cage ring 119, to allow inner ring 121 near back-up ring 117, be beneficial to the socket 120 of lens mount and the smooth operation of cage ring 119 socket connections of base, avoid again producing larger space with storage dust simultaneously.
Preferably, be located at the spring 18 between lens mount 12 and base 11, peaked at by the cage ring 119 of base in the socket 120 of lens mount.
In the present embodiment, the cage ring 119 of base be shaped as circle.In other embodiments, as shown in Figure 6 and Figure 7, the shape of the cage ring 119 of base 11 can also be the square of rounding, or falls the square of corner, to meet the outlet structure designing requirement of difform lens mount.
As shown in Figure 8, in other embodiments, the cage ring 119 of base can also be the segmented annular structure with opening.Preferably, the cage ring 119 of base is the loop configuration of sealing, is beneficial to form complete partition-type structures.
Refer to Fig. 9, a kind of camera module, be applicable to mobile phone, notebook, the electronic products such as panel computer, comprise camera lens 20, infrared filter 30, substrate 50, be installed on imageing sensor 60 and voice coil motor of the present utility model 10 on substrate, wherein, voice coil motor 10 of the present utility model comprises base 11, lens mount 12 and shell 15, camera lens 20 is threaded connection with the lens mount 12 of voice coil motor, infrared filter 30 is mounted on the base 11 of voice coil motor, base 11 is fixedly installed on substrate 50, camera lens 20, infrared filter 30 surrounds cavity with the base 11 of voice coil motor, the socket 120 of the lens mount of voice coil motor makes cavity and the extraneous partition wall of clearly separating with cage ring 119 socket connections of base to form.
Because the back-up ring 117 of voice coil motor base is near the socket 120 of lens mount, got rid of the groove structure of storage koniology in voice coil motor 10 in or in camera module, thereby eliminated dust that groove structure is received, in cavity, oneself raises and causes dirty interior in influencing factor of camera lens; And the segmentation effect to space due to the socket 120 of lens mount and the socket connection structure of the cage ring 119 of base, the difficulty that dust floats, leaps between each gap is increased greatly, the movable space of dust is cut down greatly, the kinetic energy that dust obtains from Air Flow is also just fewer, thereby impel the more deep transfixion that is more tending towards of dust of falling into base, to reduce the quantity of showy dust in cavity.Separately because the socket 120 of lens mount is comparatively tight with cage ring 119 interlock after socket connection of base, thereby increase dust by the degree of difficulty in bending interlock path, effectively reduce the quantity that external dust enters cavity, ensured better the dustless operational environment of camera lens.
By the above-mentioned inside and outside architecture advances of doing at undesirable element for camera module, can make the dirty fraction defective of production of camera module reduce more than 50%.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (9)
1. a voice coil motor, comprise main body be square flat and the middle base that has the first circular hole, stand on the lens mount of base top and cover in lens mount and base on end face have the square shell of the second circular hole, on the inwall of described shell, be fixed with flaky magnet, the position of described lens mount magnet on opposite shell inwall is provided with coil, opens the springs of the 3rd circular hole between described lens mount and base in the middle part of being provided with; Described base and lens mount are splits, and described base has upper plane, the outer wall raising up along upper plane outer rim and the back-up ring raising up along the first circular hole edge; Described outer wall stands on magnet below, it is characterized in that:
The outer cage ring that is arranged with of described back-up ring, the lower end of described lens mount is extended with the annular spigot of inserting for cage ring downwards, and described cage ring is plugged in socket, and the cage ring socket connection of the socket of described lens mount and base is to form partition wall; The back-up ring of described base is near the socket of lens mount.
2. voice coil motor according to claim 1, it is characterized in that: the annular spigot that stretch out downwards the lower end of described lens mount, surrounded to inner ring and the outer ring of lower convexity by the lower end along lens mount, described inner ring and outer ring are two annular concentric circles, and described cage ring inserts between inner ring and outer ring; The inner ring thickness of the back-up ring of described base and the spacing of cage ring and lens mount is suitable.
3. voice coil motor according to claim 1, is characterized in that: the cage ring of described base is the loop configuration of sealing.
4. voice coil motor according to claim 1, is characterized in that: the cage ring of described base is the segmented annular structure with opening.
5. according to the voice coil motor described in claim 3 or 4, it is characterized in that: the shape of the cage ring of described base is circular.
6. voice coil motor according to claim 3, is characterized in that: the shape of the cage ring of described base is the square of rounding.
7. voice coil motor according to claim 3, is characterized in that: the shape of the cage ring of described base is down the square of corner.
8. voice coil motor according to claim 1, is characterized in that: described in be located at the spring between lens mount and base, peaked at by the cage ring of base in the socket of lens mount.
9. a camera module, comprises camera lens, infrared filter, substrate and is installed on the imageing sensor on substrate, it is characterized in that:
Also comprise the voice coil motor described in arbitrary top in claim 1 to 8, the lens mount of described camera lens and described voice coil motor is threaded connection, described infrared filter is mounted on the base of voice coil motor, described base is fixedly installed on substrate, the base of described camera lens, infrared filter and described voice coil motor surrounds the cavity that holds imageing sensor, and the cage ring socket connection of the socket of the lens mount of described voice coil motor and base makes cavity and the extraneous partition wall of clearly separating to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225846.0U CN203912055U (en) | 2014-05-04 | 2014-05-04 | Voice coil motor and camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225846.0U CN203912055U (en) | 2014-05-04 | 2014-05-04 | Voice coil motor and camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203912055U true CN203912055U (en) | 2014-10-29 |
Family
ID=51786296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420225846.0U Expired - Lifetime CN203912055U (en) | 2014-05-04 | 2014-05-04 | Voice coil motor and camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203912055U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717412A (en) * | 2015-03-12 | 2015-06-17 | 南昌欧菲光电技术有限公司 | Camera module and assembly method thereof |
| CN105449973A (en) * | 2015-12-30 | 2016-03-30 | 信利光电股份有限公司 | Voice coil motor |
| CN105490502A (en) * | 2016-02-19 | 2016-04-13 | 信利光电股份有限公司 | Voice coil motor and photographic device |
| CN105721755A (en) * | 2016-04-01 | 2016-06-29 | 信利光电股份有限公司 | Camera module motor, camera module and electronic device |
| CN109407443A (en) * | 2018-12-20 | 2019-03-01 | 宁波舜宇光电信息有限公司 | A kind of camera module |
| CN110365822A (en) * | 2019-07-05 | 2019-10-22 | Oppo（重庆）智能科技有限公司 | Electronic equipment |
| CN110661932A (en) * | 2018-06-28 | 2020-01-07 | 三赢科技（深圳）有限公司 | Camera module |
| TWI711842B (en) * | 2019-03-05 | 2020-12-01 | 大陸商三贏科技（深圳）有限公司 | Lens module and electronic device |
-
2014
- 2014-05-04 CN CN201420225846.0U patent/CN203912055U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717412A (en) * | 2015-03-12 | 2015-06-17 | 南昌欧菲光电技术有限公司 | Camera module and assembly method thereof |
| CN104717412B (en) * | 2015-03-12 | 2018-10-12 | 南昌欧菲光电技术有限公司 | Camera module and its assemble method |
| CN105449973A (en) * | 2015-12-30 | 2016-03-30 | 信利光电股份有限公司 | Voice coil motor |
| CN105490502A (en) * | 2016-02-19 | 2016-04-13 | 信利光电股份有限公司 | Voice coil motor and photographic device |
| CN105490502B (en) * | 2016-02-19 | 2018-09-07 | 信利光电股份有限公司 | A kind of voice coil motor and photographic device |
| CN105721755A (en) * | 2016-04-01 | 2016-06-29 | 信利光电股份有限公司 | Camera module motor, camera module and electronic device |
| CN105721755B (en) * | 2016-04-01 | 2018-09-07 | 信利光电股份有限公司 | A kind of camera module motor, camera module and electronic equipment |
| CN110661932A (en) * | 2018-06-28 | 2020-01-07 | 三赢科技（深圳）有限公司 | Camera module |
| CN109407443A (en) * | 2018-12-20 | 2019-03-01 | 宁波舜宇光电信息有限公司 | A kind of camera module |
| TWI711842B (en) * | 2019-03-05 | 2020-12-01 | 大陸商三贏科技（深圳）有限公司 | Lens module and electronic device |
| CN110365822A (en) * | 2019-07-05 | 2019-10-22 | Oppo（重庆）智能科技有限公司 | Electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181029 Address after: No. 25, spectrum West Road, Science City, Guangzhou high tech Industrial Development Zone, Guangzhou, Guangdong Patentee after: LUXVISIONS INNOVATION Ltd. Address before: 510663 Guangdong Guangzhou hi tech Industrial Development Zone, 25 West Road, science city. Co-patentee before: Lite-On Technology Co.,Ltd. Patentee before: LITE-ON ELECTRONICS (GUANGZHOU) Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |