CN209674139U - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
- Publication number
- CN209674139U CN209674139U CN201920284369.8U CN201920284369U CN209674139U CN 209674139 U CN209674139 U CN 209674139U CN 201920284369 U CN201920284369 U CN 201920284369U CN 209674139 U CN209674139 U CN 209674139U
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- China
- Prior art keywords
- aperture
- fixing piece
- backlight module
- glue frame
- backboard
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- 230000003287 optical effect Effects 0.000 claims abstract description 73
- 239000003292 glue Substances 0.000 claims abstract description 49
- 238000005452 bending Methods 0.000 claims abstract description 23
- 230000004308 accommodation Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 12
- 206010058109 Hangnail Diseases 0.000 description 6
- 238000005286 illumination Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of backlight module, the backlight module includes the optical component of backboard, glue frame and multiple optical diaphragms composition, and glue frame is arranged on backboard, wherein further include fixing piece, fixing piece pass through after optical component with glue frame nested encryptions.It is arranged in glue frame fluted, being extended along bottom portion of groove to backboard direction on groove has the first aperture, and the second aperture for extending horizontally outward of inner wall along the first aperture, optical diaphragm includes the lug protruded along ontology to the outside of the ontology, and lug is provided with third aperture corresponding with the first aperture.Fixing piece passes through the first aperture, third aperture and is fastened on the second aperture inner wall to the second aperture inner bending, optical component is fixed in glue frame.Backlight module provided by the utility model the problems such as displacement, fold, warpage can occur to avoid optical diaphragm in backlight module assembling process, improve the picture quality of display device.
Description
Technical field
The utility model relates to technical field of liquid crystal display more particularly to a kind of backlight module and display devices.
Background technique
Backlight module is mainly made of related devices such as light emitting source, reflector plate, optical diaphragm, light guide plate, backboards.With rib
The optical diaphragm main function of mirror structure is cohesion light, and optical brightening diaphragm and the polaroid collocation of some types can will be unable to
Through the polarised light reflection of polarizing film, recycling, recycling, to improve the effective rate of utilization of light.This requires optical diaphragms to position
Installation is accurate, and installation accuracy is more demanding.Currently, the diaphragm fixed form of backlight module are as follows: diaphragm ear is put into glue frame
It carries in cave, top attaches adhesive tape and fixes, and prevents diaphragm to be subjected to displacement, but for ultra-thin machine, carries cave
Depth is very shallow, and diaphragm is during vibration, the problems such as glue frame top can be climbed to, cause diaphragm displacement, fold, warpage, so that
There is bright line in display device light-emitting surface, influences picture quality.
Utility model content
In view of problem above, the utility model provides a kind of backlight module and has its display device, the backlight module
Can occur the problems such as displacement, fold, warpage in backlight module assembling process to avoid optical diaphragm, improve the picture of display device
Face quality.To achieve the above object, the utility model adopts the following technical solutions:
A kind of backlight module, including backboard and the light guide plate being set on the backboard, glue frame and multiple optical films
The optical component of piece composition, wherein the glue frame includes the accommodation space surrounded by multiple side walls, and the glue frame is at least
It is arranged fluted on one side wall, each optical diaphragm includes main body in the optical component, and at least top layer and bottom
Layer optical diaphragm includes the lug protruded along at least one side wall of the ontology to the outside of the ontology, the ontology setting
In the accommodation space, the lug is stacked in the groove, and the backlight module further includes fixing piece, described solid
Part is determined after the lug bending or extension with the glue frame nested encryptions, and the optical component is fixed on the glue frame
On.
Further, the fixing piece includes first part and second part, and the second part is provided with bending part, institute
Fixing piece is stated to be fixed after the bending part bending with the glue frame.
Further, the first aperture extended from bottom portion of groove to backboard direction is provided on the groove, and along institute
The second aperture that the inner wall of the first aperture extends horizontally outward is stated, first aperture and second aperture form " L " type.
Further, the lug is provided with third aperture corresponding with first aperture.
Further, the fixing piece pass through the third aperture and first aperture, first of the fixing piece
Point meet power extension is located on the optical component at plane, and the second part of fixing piece chance power is along the bending part to described
Second aperture inner bending is fastened on the second aperture inner wall.
Further, the roof of second aperture is provided with depression, and the second part of the fixing piece meets power described in
Bending part is fastened in the depression of second aperture to the second aperture inner bending.
Further, the first aperture extended from bottom portion of groove to backboard direction is provided on the groove, and along institute
The second aperture that the inner wall of the first aperture extends horizontally outward is stated, second aperture is located at the first aperture lower horizontal position
" convex " type that be formed is set, the second part of the fixing piece, which protrudes into second aperture, meets power extension at plane, with described second
Aperture inner wall abuts.
Further, the fixing piece is to have malleable material, can be gold, platinum, iron, any one of aluminium.
Further, the 4th aperture corresponding with first aperture is provided on the backboard, the fixing piece passes through
Optical component and glue frame are fixed in first aperture, the third aperture, the 4th aperture.
A kind of display device, including display panel and backlight module as described above.
The beneficial effects of the utility model are: backlight module provided by the utility model can be to avoid optical diaphragm in backlight
There is the problems such as displacement, fold, warpage during module group assembling, improves the picture quality of display device.
Detailed description of the invention
Fig. 1 is one backlight module broken section structural schematic diagram of the utility model embodiment；
Fig. 2 is one optical component of the utility model embodiment and glue frame assembling schematic diagram；
Fig. 3 is one optical diaphragm structure schematic diagram of the utility model embodiment；
Schematic diagram of structural changes when Fig. 4 is the assembling of one fixing piece of the utility model embodiment；
Fig. 5 is two backlight module broken section structural schematic diagram of the utility model embodiment；
Fig. 6 is three backlight module broken section structural schematic diagram of the utility model embodiment.
In figure:
10- backlight module
11- backboard, 111- bottom plate, 112- side plate, the 4th aperture of 113-
12- optical component, the first optical diaphragm of 121-, the second optical diaphragm of 122-, 123- third optical diaphragm,
The 4th optical diaphragm of 124-, 125- third aperture, 126- ontology, 127- lug
13- glue frame, 131- groove, the first aperture of 132-, the second aperture of 133-, 134- depression
14- fixing piece, 141- first part, 142- second part, 143- bending part.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.Each
In attached drawing, identical element, which is adopted, will be referred to by like reference numbers expression.For the sake of clarity, the various pieces in attached drawing are not pressed
Ratio is drawn.In addition, certain well known parts may be not shown in figure.Many spies of the utility model are described hereinafter
Fixed details, such as structure, material, size, treatment process and the technology of component, to be more clearly understood that the utility model.
But it just as the skilled person will understand, can not realize that this is practical new according to these specific details
Type.
It should be appreciated that being known as being located at another floor, another area when by a floor, a region when describing the structure of component
When domain " above " or " top ", can refer to above another layer, another region, or its with another layer, it is another
Also comprising other layers or region between a region.Also, if by part turnover, this layer, a region will be located at it is another
Layer, another region " following " or " lower section ".
Embodiment one
Fig. 1 is one backlight module broken section structural schematic diagram of the utility model embodiment；
Fig. 2 is one optical component of the utility model embodiment and glue frame assembling schematic diagram；
Fig. 3 is one optical diaphragm structure schematic diagram of the utility model embodiment；
As shown in Figure 1, Figure 2, Figure 3 shows, backlight module 10 includes the light of backboard 11, glue frame 13 and multiple optical diaphragms composition
Component 12 is learned, backboard 11 includes bottom plate 111 and surrounds the vertically disposed side plate 112 of bottom plate, and bottom plate 111 is arranged in glue frame 13
Upper surface.Glue frame 13 includes the accommodation space (not shown) surrounded by multiple side walls, that is to say, that is formed inside glue frame 13
There is the accommodation space.Fluted 131 are arranged at least one side wall of glue frame 13, is provided on groove 131 by 131 bottom of groove
The first aperture 132 that portion extends to backboard direction, and the second aperture for extending horizontally outward of inner wall along the first aperture 132
133, the first aperture 132 is connected to the second aperture 133, and the first aperture 132 combines l-shaped with the second aperture 133.Second aperture
133 roof is provided with depression 134.
Optical component 12 is formed by multiple optical diaphragm stacked combinations, and the present embodiment is said by taking four optical diaphragms as an example
Bright, the utility model is not limited to this, and particular number, the type of optical diaphragm select according to actual needs.Optical component 12 wraps
Include the first optical diaphragm 121 being stacked in glue frame 13, the second optical diaphragm 122, third optical diaphragm 123 and the 4th light
Learn diaphragm 124.Each optical diaphragm includes diaphragm ontology 126, also, at least top layer and bottom optical diaphragm includes along ontology
The lug 127 that 126 at least one side wall is protruded to the outside of ontology 126, lug 127 are provided with corresponding with the first aperture 132
Third aperture 125, the lug 127 at the co-located place of multi-layer optical membrane is stacked, lug 127 be stacked in
In the groove 131 of glue frame 13, third aperture 125 is aligned with the first aperture 132, so that multi-layer optical membrane is in the glue frame
13 predetermined position.Groove 131 is equivalent to the positioning datum of multi-layer optical membrane, later, by the ontology of multi-layer optical membrane
126 are arranged in the accommodation space of glue frame 13.
In the present embodiment, it is respectively arranged in the ontology 126 of each optical diaphragm two side walls opposite along its length
Two lugs 126 are correspondingly also respectively set in the opposite two side walls along its length of the glue frame 13 there are two recessed
Slot 131.Wherein, each lug 126 be arranged in its corresponding to groove 131 in.The lug 126 of each optical diaphragm setting
Quantity, position are not limited to this, as long as guaranteeing the lug number of 131 quantity of groove, position and the optical diaphragm that are arranged in glue frame 13
Amount, position are corresponding consistent, and the utility model is not limited to this.
First aperture 132, the second aperture 133, the shape of third aperture 125 can be cube, other are vertical for cylindrical body etc.
At least one of shape.The shape of first aperture 132 and third aperture 125 is adapted.The utility model is with the first aperture
132, the second aperture 133, third aperture 125 is to be illustrated for cylindrical body, and the utility model is not limited to this.
Schematic diagram of structural changes when Fig. 4 is the assembling of one fixing piece of the utility model embodiment；
In conjunction with shown in Fig. 1 and Fig. 4, backlight module 10 further includes fixing piece 14, and fixing piece 14 is an integral structure, including the
A part 141 and second part 142, second part 142 are provided with bending part 143, and fixing piece 14 is to have malleable material,
It meets power or illumination can be with bending or extension at plane, such as can be gold, platinum, iron, one of aluminium.The shape of fixing piece 14
Shape and 132 shape of the first aperture are adapted, the diameter of the diameter of fixing piece 14 less than the first aperture 132 and third aperture 125.This
In embodiment, it is preferred that fixing piece is hangnail screw, and power is met in the lower end of hangnail screw makes hangnail is fluffy to open, and is engaged with glue frame 13 solid
Fixed, the upper end of hangnail screw, which meets power or applies illumination, extends into plane, and the area of the plane is greater than the area of third aperture 125.
In other embodiments, fixing piece 14 can be fabricated structure, such as can be the structure that tagger adds hangnail screw, Bao Tie
Piece is fixed on the upper end of hangnail screw and is laid on optical component 12.
The second part 142 of fixing piece 14 extend into the first of glue frame 13 after the third aperture 123 of optical component 12
In aperture 132, encounter after the bottom wall of the first aperture 132 along the bending into the second aperture 133 of bending part 143, with the second aperture 133
Depression 134 engage.First part 141 is located at the upper surface of optical component 12, extends after meeting power into plane and optical component 12
Fitting.Fixing piece 14, with 13 nested encryptions of glue frame, optical component 12 is fixed in glue frame 13 after optical component 12.
The fixed glue frame 13 of fixing piece 14 and the process of optical component 12 are as follows:
1, backboard is assembledAssemble glue frameOptical diaphragm is placed, by the of optical diaphragm third aperture center and glue frame
The center precise alignment of one aperture is accurately to assemble diaphragm.
It 2, will be in the first aperture of fixing piece precision assembly to optical diaphragm third aperture and glue frame
3, the power that very little is imposed to fixing piece makes fixing piece second part bending
4, continue the power for imposing illumination or very little to fixing piece, spread apart fixing piece first part.
Fixing piece 14 can effectively prevent optical diaphragm to generate displacement or dislocation in the groove 131 on 13 side wall of glue frame,
The generation of 10 light leakage phenomena of backlight module is effectively avoided, meanwhile, structure is simple, can effectively improve the system of the backlight module 10
Make yield.The diameter of fixing piece 14 can accomplish very little (such as: 0.2mm), the height of fixing piece 14 is greater than the first aperture 132
Height is superimposed the sum of height with 12 lug of optical diaphragm.
Embodiment two
Fig. 5 is two backlight module broken section structural schematic diagram of the utility model embodiment；
As shown in figure 5,10 structure of backlight module of the present embodiment two, principle is identical as implementing one, and distinguishing characteristics is:
Second aperture 133 of the glue frame 13 of the present embodiment is located at the lower horizontal position of the first aperture 132, the second aperture 133 with
Whole one aperture 132 is in a convex shape, vertical second aperture 133 of the first aperture 132.The second part 142 of fixing piece 14 is worn
The third aperture 125 of optical component 12 and the first aperture 132 of glue frame 13 are crossed, when extending into the second 133 bottom wall of aperture, meets power
Or illumination extension is abutted at plane with 133 inner wall of the second aperture.The first part 141 of fixing piece 14 is located at optical component 12
Upper surface meets power and extends into plane, is bonded with optical component 12.At this point, the roof of the second aperture 133 does not need setting depression
134.In addition, 10 structure of backlight module of the present embodiment two, details are not described herein with a same section is implemented for principle.
Embodiment three
Fig. 6 is three backlight module broken section structural schematic diagram of the utility model embodiment.
As shown in fig. 6,10 structure of backlight module of the present embodiment three, principle is identical as implementing one, and distinguishing characteristics is:
In the present embodiment, the 4th aperture 113 corresponding with the first aperture 132, the 4th aperture 113 are provided on the bottom plate 111 of backboard 11
Through the bottom plate 111 of backboard 11.4th aperture 113 and the shape of fixing piece 14 are adapted, and the diameter of fixing piece 14 is less than the 4th
The diameter of aperture 113.At this point, the first aperture 132 of glue frame 13 is through-hole.Fixing piece 14 passes through third aperture 125, the first aperture
132 and the 4th aperture 113 optical component 12 and glue frame 13 is fixed.The first part 141 of fixing piece 14 is located at optical component
12 upper surface meets power and extends into plane, is bonded with 12 upper surface of optical component.The second part 142 of fixing piece 14 extend at
Plane is bonded with the lower surface of the bottom plate 11 of backboard 11.At this point, not needing the second aperture 133 of setting in the groove 131 of glue frame 13.
The height of fixing piece 14 is greater than the superposition height of 12 lug of height and optical diaphragm of the first aperture 132 and the bottom plate of backboard 11
The sum of 111 thickness.In addition, 10 structure of backlight module of the present embodiment three, principle with implement a same section herein no longer
It repeats.
It includes display panel and above-mentioned backlight module, display panel installation that the utility model, which also provides a kind of display device,
On backlight module.
The beneficial effects of the utility model are: backlight module provided by the utility model can be to avoid optical diaphragm in backlight
There is the problems such as displacement, fold, warpage during module group assembling, improves the picture quality of display device.
More than, it is only the preferred embodiment of the utility model, limit in any form not is made to the utility model
System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above
A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to
According to the technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, still fall within
In the range of technical solutions of the utility model.
Claims (10)
1. a kind of backlight module, including backboard and the light guide plate being set on the backboard, glue frame and multiple optical diaphragms
The optical component of composition, which is characterized in that the glue frame includes the accommodation space surrounded by multiple side walls, and the glue frame
It is arranged fluted at least one side wall, each optical diaphragm includes ontology in the optical component, and at least top layer
It include the lug protruded along at least one side wall of the ontology to the outside of the ontology, the ontology with bottom optical diaphragm
It is arranged in the accommodation space, the lug is stacked in the groove, and the backlight module further includes fixing piece, institute
Fixing piece is stated after the lug bending or extension with the glue frame nested encryptions, the optical component is fixed on the glue
On frame.
2. backlight module according to claim 1, which is characterized in that the fixing piece includes first part and second
Point, the second part is provided with bending part, and the fixing piece is fixed after the bending part bending with the glue frame.
3. backlight module according to claim 2, which is characterized in that be provided on the groove from bottom portion of groove to backboard
The first aperture that direction extends, and along the second aperture for extending horizontally outward of inner wall of first aperture, described first is opened
Hole and second aperture form " L " type.
4. backlight module according to claim 3, which is characterized in that the lug is provided with corresponding with first aperture
Third aperture.
5. backlight module according to claim 4, which is characterized in that the fixing piece passes through the third aperture and described
First aperture, the first part of the fixing piece meet power extension and are located on the optical component at plane, and the of the fixing piece
Power is met along the bending part to the second aperture inner bending in two parts, is fastened on the second aperture inner wall.
6. backlight module according to claim 5, which is characterized in that the roof of second aperture is provided with depression, institute
The second part for stating fixing piece meets power along the bending part to the second aperture inner bending, is fastened on the recessed of second aperture
In cave.
7. backlight module according to claim 2, which is characterized in that be provided on the groove from bottom portion of groove to backboard
The first aperture that direction extends, and along the second aperture for extending horizontally outward of inner wall of first aperture, described second is opened
Hole is located at the first aperture lower horizontal position and forms " convex " type, and the second part of the fixing piece protrudes into second aperture
Interior chance power extends into plane, abuts with the second aperture inner wall.
8. backlight module according to claim 2, which is characterized in that the fixing piece is to have malleable material, can
For gold, platinum, iron, any one of aluminium.
9. backlight module according to claim 4, which is characterized in that be provided on the backboard and first aperture pair
The 4th aperture answered, the fixing piece pass through first aperture, the third aperture, the 4th aperture by optical component with
Glue frame is fixed.
10. a kind of display device, which is characterized in that including display panel and such as the described in any item backlight moulds of claim 1-9
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920284369.8U CN209674139U (en) | 2019-03-07 | 2019-03-07 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920284369.8U CN209674139U (en) | 2019-03-07 | 2019-03-07 | A kind of backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209674139U true CN209674139U (en) | 2019-11-22 |
Family
ID=68570691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920284369.8U Active CN209674139U (en) | 2019-03-07 | 2019-03-07 | A kind of backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209674139U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261034A (en) * | 2020-03-25 | 2020-06-09 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| CN111739410A (en) * | 2020-01-30 | 2020-10-02 | 友达光电股份有限公司 | Display device |
| WO2021082536A1 (en) * | 2019-10-30 | 2021-05-06 | 广州视源电子科技股份有限公司 | Optical diaphragm assembly, direct type backlight module, liquid crystal display screen and terminal device |
| CN113689786A (en) * | 2021-07-29 | 2021-11-23 | 惠科股份有限公司 | Backlight module and display device |
| CN114077097A (en) * | 2021-11-17 | 2022-02-22 | 合肥京东方显示光源有限公司 | Backlight module and display device |
-
2019
- 2019-03-07 CN CN201920284369.8U patent/CN209674139U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082536A1 (en) * | 2019-10-30 | 2021-05-06 | 广州视源电子科技股份有限公司 | Optical diaphragm assembly, direct type backlight module, liquid crystal display screen and terminal device |
| CN111739410A (en) * | 2020-01-30 | 2020-10-02 | 友达光电股份有限公司 | Display device |
| CN111261034A (en) * | 2020-03-25 | 2020-06-09 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| WO2021190154A1 (en) * | 2020-03-25 | 2021-09-30 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor, and display device |
| US11774670B2 (en) | 2020-03-25 | 2023-10-03 | Beijing Boe Display Technology Co., Ltd. | Display panel, method for manufacturing a display panel and display device |
| CN113689786A (en) * | 2021-07-29 | 2021-11-23 | 惠科股份有限公司 | Backlight module and display device |
| US11947157B2 (en) | 2021-07-29 | 2024-04-02 | HKC Corporation Limited | Backlight module and display device |
| CN114077097A (en) * | 2021-11-17 | 2022-02-22 | 合肥京东方显示光源有限公司 | Backlight module and display device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Suzhou, Jiangsu Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Suzhou, Jiangsu Patentee before: Infovision Optoelectronics (Kunshan) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |