CN209471302U - Eyepiece regulating device and head-mounted display - Google Patents
Eyepiece regulating device and head-mounted display Download PDFInfo
- Publication number
- CN209471302U CN209471302U CN201920173409.1U CN201920173409U CN209471302U CN 209471302 U CN209471302 U CN 209471302U CN 201920173409 U CN201920173409 U CN 201920173409U CN 209471302 U CN209471302 U CN 209471302U
- Authority
- CN
- China
- Prior art keywords
- focus adjustment
- eyepiece
- component
- interpupillary distance
- regulating device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000000571 coke Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000004379 myopia Effects 0.000 description 3
- 208000001491 myopia Diseases 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
This application discloses a kind of eyepiece regulating device and head-mounted displays.Implement the embodiment of the present application and proposes a kind of eyepiece regulating device, including focus adjustment component, focus adjustment component includes eyepiece component, extensible member, lens cone frame and display component, the connection of one end of eyepiece component and extensible member, the other end of extensible member is connected to the side of lens cone frame, the other end of extensible member is connected to the side of lens cone frame, display component is fixed on the other side of lens cone frame, it further include focus adjustment bar and adjusting rod auxiliary section, the two cooperates, adjusting rod auxiliary section is driven to move along focus adjustment bar direction when focus adjustment bar rotates, focus adjustment bar can be rotatably set in lens cone frame, adjusting rod auxiliary section is fixed on lens barrel or eyepiece cap.Focus adjustment component drives adjusting rod auxiliary section mobile by rotary coke distance regulating rod, and extensible member shrinks or extends therewith at this time, realizes unilateral focus adjustment function.
Description
Technical field
This application involves field of display technology more particularly to a kind of eyepiece regulating device and head-mounted displays.
Background technique
With the development of display technology, head-mounted display is also developed rapidly, in game, medicine, teaching, military affairs etc.
Every field has application.
Due to using the vision condition of crowd different, needs head-mounted display to be able to carry out corresponding myopia and adjust, is i.e. coke
Away from regulatory function.The right and left eyes myopia of ordinary circumstance servant is different, and focal length adjustment device in the prior art is generally not
The focal length of right and left eyes can individually be adjusted.
Therefore, it is necessary to propose a kind of new technical solution, to solve the above technical problems.
Utility model content
The application provides a kind of eyepiece regulating device and head-mounted display, is able to solve in the prior art that head-mounted display is not
The problem of focal length of right and left eyes can individually be adjusted.
In order to achieve the above object, the application provides the following technical solutions:
A kind of eyepiece regulating device, which is characterized in that including focus adjustment component, the focus adjustment component includes eyepiece
Component, extensible member, lens cone frame and display component,
The eyepiece component is connect with one end of the extensible member, and the other end of the extensible member is connected to the lens barrel branch
The side of frame, the display component are fixed on the other side of lens cone frame,
It further include focus adjustment bar and adjusting rod auxiliary section, the focus adjustment bar can be rotatably set in the lens barrel branch
On frame, the adjusting rod auxiliary section is fixed on the eyepiece component, and the focus adjustment bar and the adjusting rod cooperate
Portion cooperates, and the focus adjustment bar drives the adjusting rod auxiliary section to move along the focus adjustment bar direction when rotating.
Further, the extensible member is scalable silica gel.
Further, the eyepiece component includes eyepiece, eyepiece cap and lens barrel, the extensible member and the lens barrel and described
Lens cone frame is respectively to be tightly connected.
Further, the focus adjustment component further includes focus adjustment knob and focus adjustment belt, the focal length tune
It saves belt and connects the focus adjustment knob and the focus adjustment bar, the focus adjustment knob includes knob fixed link and sets
The belt auxiliary section two in the knob fixed link is set, belt auxiliary section one is set on the focus adjustment bar.
Further, the focus adjustment bar and the adjusting rod auxiliary section are respectively set two, two focal length tune
Pole is located at the two sides of focus adjustment knob, and two adjusting rod auxiliary sections are separately positioned on the lens barrel or described
The two sides of eyepiece cap.
Further, the focus adjustment component is provided with two groups.
Further, it is provided with interpupillary distance between two groups of focus adjustment components and adjusts component.
Further, the interpupillary distance adjust component include two be connected to two groups described in focus adjustment component interpupillary distance
Adjusting gear rack further includes the interpupillary distance adjusting knob for being set to shell, and the interpupillary distance adjusting knob is fixedly connected with interpupillary distance adjustment gear,
The two sides of the interpupillary distance adjustment gear are meshed with two interpupillary distance adjusting gear racks respectively.
Further, it further includes that interpupillary distance adjusts pilot hole and interpupillary distance adjusting guide rod, the interpupillary distance that the interpupillary distance, which adjusts component,
Adjust pilot hole be respectively arranged at every group described in focus adjustment component the lens cone frame end, the interpupillary distance adjusts guide rod
The interpupillary distance of focus adjustment component described in being each passed through two groups adjusts pilot hole, and the both ends that the interpupillary distance adjusts guide rod are fixed on
On shell.
A kind of head-mounted display, the head-mounted display include eyepiece regulating device as described above.
Compared to the prior art, eyepiece regulating device provided by the present application, including focus adjustment component, the focus adjustment
Component includes eyepiece, eyepiece cap, lens barrel, extensible member, lens cone frame and display screen, and the eyepiece is fixed on by the eyepiece cap
One end of the lens barrel, the other end of one end connection and the lens barrel of the extensible member, the other end connection of the extensible member
In the side of the lens cone frame, the display screen is fixed on the other side of lens cone frame, further includes focus adjustment bar and tune
Pole auxiliary section, the two cooperate, and the focus adjustment bar drives the adjusting rod auxiliary section along the focal length tune when rotating
Pole direction is mobile, and the focus adjustment bar can be rotatably set in the lens cone frame, and the adjusting rod auxiliary section is fixed
It is arranged in the lens cone frame or the eyepiece cap.The focus adjustment component is set by rotary coke distance regulating rod, drive
The adjusting rod auxiliary section set in lens cone frame or eyepiece cap is moved along the direction of focus adjustment bar, at this time extensible member with
The movement of adjusting rod auxiliary section and shrink or extend, to realize unilateral focus adjustment function.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the assembling figure of eyepiece regulating device provided by the embodiment of the present application；
Fig. 2 is the exploded view of eyepiece regulating device provided by the embodiment of the present application；
Fig. 3 is the assembling figure that eyepiece regulating device provided by the embodiment of the present application removes cover board；
Fig. 4 is the cross-sectional view of eyepiece regulating device provided by the embodiment of the present application；
Fig. 5 is the portion the A enlarged drawing of the cross-sectional view of eyepiece regulating device provided by the embodiment of the present application.
In Fig. 1-5,
11- cover board, 111- eyepiece cap through-hole, 112- keep away a hole, 12- eyepiece cap, 13- eyepiece, 14- lens barrel, 141- adjusting
Bar auxiliary section, 15- extensible member, 16- focus adjustment bar, 161- belt auxiliary section one, 17- focus adjustment belt, 18- focus adjustment
Knob, 181- belt auxiliary section two, 19- lens cone frame, 191- interpupillary distance adjust guide rod, and 192- interpupillary distance adjusts pilot hole, 21- interpupillary distance
Adjusting knob, 211 interpupillary distance adjustment gears, 22- interpupillary distance adjusting gear rack, 31- focus adjustment guide rod, 32- focus adjustment guide block, 3- are aobvious
Show component.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The present embodiment proposes a kind of eyepiece regulating device, as shown in Figure 1-3, include focus adjustment component, focus adjustment
Component includes eyepiece component, extensible member 15, lens cone frame 19 and display component 3, one end of the eyepiece component and extensible member 15
Connection, the other end of extensible member 15 are connected to the side of lens cone frame 19, and display component 3 is fixed on the other side of lens cone frame 19
On, it further include focus adjustment bar 16 and adjusting rod auxiliary section 141, the two cooperates, and drives and adjusts when focus adjustment bar 16 rotates
Pole auxiliary section 141 is moved along the axial direction of focus adjustment bar 16, and focus adjustment bar 16 can be rotatably set in lens cone frame
On 19, adjusting rod auxiliary section 141 is fixed on lens barrel 14 or eyepiece cap 12.Focus adjustment component is by rotary coke away from tune
It is mobile that pole 16 drives adjusting rod auxiliary section 141, to realize that the distance between eyepiece 12 and display component 3 are adjusted, reaches burnt
The focus adjustment component of purpose away from adjusting, side is individually adjusted, while realizing the different user side of left and right eye vision
Just the effect of focus adjustment is carried out.
Eyepiece component includes eyepiece 13, eyepiece cap 12 and lens barrel 14, and eyepiece 13 is fixed on lens barrel 14 by eyepiece cap 12
One end, the other end of one end connection and lens barrel 14 of extensible member 15, the other end of extensible member 15 are connected to the one of lens cone frame 19
Side.
Further, eyepiece 13 can be lens, and quantity is a piece of, two panels or multi-disc.Eyepiece cap 12 can be set to
Inside is equipped with the circular ring shape of buckle or screw thread, and correspondingly, the outside of lens barrel 14 is then designed as the buckle accordingly cooperated or spiral shell
Line can also be fixed by modes such as gluings.
Further, the both ends of extensible member 15 are connect with lens barrel 14 and lens cone frame 19 respectively, and extensible member 15 specifically can be with
For the silica gel that stretches, shape can be folded sleeve shape.The connection of the both ends of extensible member 15 and lens barrel 14 and lens cone frame 19 can be with
To be tightly connected, dust-proof effect can be realized.It can be specifically set in by interference fit, the extensible member 15 of sleeve-shaped
On one side end of lens barrel 14 or lens cone frame 19.Wherein, as shown in figures 4 and 5, extensible member 15 is connect with lens barrel 14
One end can be designed as convex annular mesa-shaped, the two sides of boss are respectively lens cone frame 19 and display component 3, pass through 14 He of lens barrel
This side pressure of extensible member 15 is closed therebetween, while realizing sealing effect by the secure fit between display component 3, is prevented
Only dust enters.
Specifically, the secure fit between lens cone frame 19 and display component 3, can be clasped, bolt cooperation or
The forms such as person's gluing, are not specifically limited herein.
Further, focus adjustment bar 16 can be screw rod or worm screw, correspondingly, adjusting rod auxiliary section 141 can be set
It is calculated as the internal thread structure accordingly cooperated or interior turbine structure.Focus adjustment bar 16 can be rotatably set in lens cone frame 19
On, adjusting rod auxiliary section 141 is fixed on lens barrel 14 or eyepiece cap 12.When rotary coke distance regulating rod 16, pass through screw thread
Transmission or worm-drive, adjusting rod auxiliary section 141 are moved along the axis direction of focus adjustment bar 16, and drive is firmly connected with it
Lens barrel 14 or eyepiece cap 12, since lens barrel 14, eyepiece 13 are fixedly connected with 12 three of eyepiece cap and are considered as being integral,
To achieve the purpose that adjust eyepiece.By adjusting the distance between eyepiece 13 and display component 3, the effect of focus adjustment is realized
Fruit.
Further, focus adjustment component further includes focus adjustment knob 18 and focus adjustment belt 17, focus adjustment rotation
Button 18 is arranged in lens cone frame 19, and focus adjustment belt 17 connects focus adjustment knob 18 and focus adjustment bar 16, and turn is burnt
When away from adjusting knob 18, by focus adjustment belt 17 by rotary drive to focus adjustment bar 16, to realize focus adjustment
The rotation of bar 16, the final purpose for realizing focus adjustment.In order to which the transmission effect of belt further improves, focus adjustment knob
18 include knob fixed link and the belt auxiliary section 2 181 being arranged in knob fixed link, and belt is arranged on focus adjustment bar 16
Auxiliary section 1, belt auxiliary section is provided with the structure for increasing frictional force at two, is specifically as follows gear teeth structure, annular knurl knot
Structure or bump structure etc..
Further, focus adjustment bar 16 and adjusting rod auxiliary section 141 can be respectively set to two, two focus adjustments
Bar 16 is located at the two sides of focus adjustment knob 18, the corresponding setting in two adjusting rod auxiliary sections 141 in lens barrel 14 or
The two sides of person's eyepiece cap 12.Focus adjustment belt 17 is separately connected focus adjustment knob 18 and is located at focus adjustment knob 18 at this time
Two focus adjustment bars 16 of two sides when focus adjustment knob 18 rotates, while driving the focus adjustment bar 16 of two sides, and then band
Two adjusting rod auxiliary sections 141 of the dynamic two sides that lens barrel 14 or eyepiece cap 12 is arranged in are mobile, realize focus adjustment.Setting two
It is more stable quickly that adjustment process may be implemented in a focus adjustment bar 16 and adjusting rod auxiliary section 141.
Further, focus adjustment guide rod 31 and focus adjustment guide block 32, focal length can also be set on focus adjustment component
It adjusts guide rod 31 to be fixed in lens cone frame 19, focus adjustment guide block 32 is arranged in lens barrel 14 or eyepiece cap 12 accordingly
On, when focusing, focus adjustment guide block 32 is moved along focus adjustment guide rod 31, is realized guiding role, is furthermore achieved
The stationarity of adjustment process.
Further, focus adjustment component is provided with two groups, respectively corresponds the left eye and right eye of user, every group of focus adjustment
Component can be adjusted individually, and when facilitating user's right and left eyes myopia difference, focusing is adjusted.
Further, it is additionally provided with interpupillary distance between two groups of focus adjustment components and adjusts component.By adjusting interpupillary distance adjusting group
The distance between two groups of focus adjustment components distance may be implemented in part, realizes the purpose that interpupillary distance is adjusted.
Further, it includes two interpupillary distance adjusting gear racks for being connected to two groups of focus adjustment components that interpupillary distance, which adjusts component,
22, it further include the interpupillary distance adjusting knob 21 for being set to shell (omitting in attached drawing), interpupillary distance adjusting knob 21 is fixedly connected with interpupillary distance tune
Gear 211 is saved, the two sides of interpupillary distance adjustment gear 211 are meshed with two interpupillary distance adjusting gear racks 22 respectively.It rotates interpupillary distance and adjusts rotation
When button 21, the direction movement that the two interpupillary distance adjusting gear racks 22 engaged are close toward each other or separate, and then band are driven
The close toward each other or separate direction movement of dynamic two groups of focus adjustment components, realizes the purpose that interpupillary distance is adjusted.
Further, it further includes that interpupillary distance adjusts pilot hole 192 and interpupillary distance adjusting guide rod 192, interpupillary distance tune that interpupillary distance, which adjusts component,
Section pilot hole 192 is respectively arranged at the end of the lens cone frame 19 of every group of focus adjustment component, and interpupillary distance adjusts guide rod 191 and wears respectively
The interpupillary distance for crossing two groups of focus adjustment components adjusts pilot hole 192, and the both ends that interpupillary distance adjusts guide rod 192 are fixed on the shell.Pass through
Interpupillary distance is set and adjusts guide rod 191 and interpupillary distance pilot hole 192 engaged therewith, further realizes the flat of interpupillary distance adjustment process
Steady effect.
Further, it is also provided with cover board 11, left and right eyepiece cap through-hole 111 is corresponded on cover board 11 and coke can be made
What distance regulating rod 16 passed through keeps away a hole 112.Cover board 11 can play the role of shading and block internal structure.
It needs, it is entire head that shell, which is the shell that focus adjustment component and interpupillary distance adjusting component external is arranged in,
The primary structure of outside display support protection and appearance is worn, is not drawn in attached drawing.
The head-mounted display of the application includes but is not limited to the helmets such as AR glasses, VR glasses or MR glasses.
Technical characteristic (such as the belt auxiliary section one, belt auxiliary section two with serial number name being related in this specification
Deng), it is only for each technical characteristic is distinguished, positional relationship, erection sequence and work between each technical characteristic are not represented
Sequence etc..
In the description of this specification, it is to be understood that the description such as " upside ", " left and right ", " downside ", " moving left and right "
Orientation or positional relationship be orientation or positional relationship based on the figure, or based on user wear wear it is aobvious
Positional relationship when use state when showing equipment, it is only for convenient for description the utility model and simplify description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
The utility model is not limited to above-mentioned specific embodiment, and those skilled in the art visualize from above-mentioned
Hair, without creative labor, made various transformation are all fallen within the protection scope of the utility model.
Claims (10)
1. a kind of eyepiece regulating device, which is characterized in that including focus adjustment component, the focus adjustment component includes eyepiece group
Part, extensible member, lens cone frame and display component,
The eyepiece component is connect with one end of the extensible member, and the other end of the extensible member is connected to the lens cone frame
Side, the display component are fixed on the other side of lens cone frame,
It further include focus adjustment bar and adjusting rod auxiliary section, the focus adjustment bar can be rotatably set in the lens cone frame
On, the adjusting rod auxiliary section is fixed on the eyepiece component, the focus adjustment bar and the adjusting rod auxiliary section
It cooperates, the focus adjustment bar drives the adjusting rod auxiliary section to move along the focus adjustment bar direction when rotating.
2. eyepiece regulating device according to claim 1, which is characterized in that the extensible member is scalable silica gel.
3. eyepiece regulating device according to claim 1, which is characterized in that the eyepiece component includes eyepiece, eyepiece cap
And lens barrel, the extensible member and the lens barrel and the lens cone frame are to be tightly connected.
4. eyepiece regulating device according to claim 1, which is characterized in that the focus adjustment component further includes focal length tune
Knob and focus adjustment belt are saved, the focus adjustment belt connects the focus adjustment knob and the focus adjustment bar, institute
State the belt auxiliary section two that focus adjustment knob includes knob fixed link He is arranged in the knob fixed link, the focal length tune
Belt auxiliary section one is set on pole.
5. eyepiece regulating device according to claim 4, which is characterized in that the focus adjustment bar and the adjusting rod are matched
Conjunction portion is respectively provided with two, and two focus adjustment bars are located at the two sides of focus adjustment knob, and two adjusting rods are matched
Conjunction portion is separately positioned on the two sides of the lens barrel or the eyepiece cap.
6. eyepiece regulating device according to claim 1-5, which is characterized in that the focus adjustment component setting
There are two groups.
7. eyepiece regulating device according to claim 6, which is characterized in that be arranged between two groups of focus adjustment components
There is interpupillary distance to adjust component.
8. eyepiece regulating device according to claim 7, which is characterized in that it includes two difference that the interpupillary distance, which adjusts component,
The interpupillary distance adjusting gear rack of focus adjustment component described in being connected to two groups further includes the interpupillary distance adjusting knob for being set to shell, described
Interpupillary distance adjusting knob is fixedly connected with interpupillary distance adjustment gear, and the two sides of the interpupillary distance adjustment gear are adjusted with two interpupillary distances respectively
Rack gear is meshed.
9. eyepiece regulating device according to claim 8, which is characterized in that it further includes interpupillary distance tune that the interpupillary distance, which adjusts component,
Save pilot hole and interpupillary distance and adjust guide rod, the interpupillary distance adjust pilot hole be respectively arranged at every group described in focus adjustment component it is described
The end of lens cone frame, the interpupillary distance adjust guide rod be each passed through two groups described in the interpupillary distance of focus adjustment component adjust guiding
Hole, the both ends that the interpupillary distance adjusts guide rod are fixed on the shell.
10. a kind of head-mounted display, which is characterized in that the head-mounted display includes as described in any one of claim 1 to 9
Eyepiece regulating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173409.1U CN209471302U (en) | 2019-01-31 | 2019-01-31 | Eyepiece regulating device and head-mounted display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173409.1U CN209471302U (en) | 2019-01-31 | 2019-01-31 | Eyepiece regulating device and head-mounted display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209471302U true CN209471302U (en) | 2019-10-08 |
Family
ID=68094471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920173409.1U Expired - Fee Related CN209471302U (en) | 2019-01-31 | 2019-01-31 | Eyepiece regulating device and head-mounted display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209471302U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873968A (en) * | 2019-11-29 | 2020-03-10 | 歌尔股份有限公司 | Head-mounted display equipment |
| CN112558303A (en) * | 2020-12-18 | 2021-03-26 | 青岛小鸟看看科技有限公司 | VR glasses |
| WO2023197454A1 (en) * | 2022-04-13 | 2023-10-19 | 歌尔光学科技有限公司 | Lens module and head-mounted display device |
| CN117706791A (en) * | 2024-02-06 | 2024-03-15 | 玩出梦想(上海)科技有限公司 | Head-mounted display device |
-
2019
- 2019-01-31 CN CN201920173409.1U patent/CN209471302U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873968A (en) * | 2019-11-29 | 2020-03-10 | 歌尔股份有限公司 | Head-mounted display equipment |
| CN112558303A (en) * | 2020-12-18 | 2021-03-26 | 青岛小鸟看看科技有限公司 | VR glasses |
| WO2023197454A1 (en) * | 2022-04-13 | 2023-10-19 | 歌尔光学科技有限公司 | Lens module and head-mounted display device |
| CN117706791A (en) * | 2024-02-06 | 2024-03-15 | 玩出梦想(上海)科技有限公司 | Head-mounted display device |
| CN117706791B (en) * | 2024-02-06 | 2024-05-14 | 玩出梦想(上海)科技有限公司 | Head-mounted display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201022 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 266104 Laoshan Qingdao District North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191008 |