CN107153472A - Touch-screen - Google Patents
Touch-screen Download PDFInfo
- Publication number
- CN107153472A CN107153472A CN201610119375.9A CN201610119375A CN107153472A CN 107153472 A CN107153472 A CN 107153472A CN 201610119375 A CN201610119375 A CN 201610119375A CN 107153472 A CN107153472 A CN 107153472A
- Authority
- CN
- China
- Prior art keywords
- touch
- screen
- glue
- base material
- control layer
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 230000006698 induction Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000007 visual effect Effects 0.000 abstract description 4
- KTXUOWUHFLBZPW-UHFFFAOYSA-N 1-chloro-3-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C=C(Cl)C=CC=2)=C1 KTXUOWUHFLBZPW-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 235000015110 jellies Nutrition 0.000 description 6
- 239000008274 jelly Substances 0.000 description 6
- ZGHQUYZPMWMLBM-UHFFFAOYSA-N 1,2-dichloro-4-phenylbenzene Chemical compound C1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 ZGHQUYZPMWMLBM-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- -1 acryl Chemical group 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 239000010971 silver fill Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention provides a kind of touch-screen by touch control layer design on flexible PCB, including display screen, flexible PCB and touch control layer, the flexible PCB is coupled with the display screen, the flexible PCB includes base material and the chip on the base material, the touch control layer includes the electrode pattern and contact conductor being located on the base material, and the electrode pattern is electrically connected to the chip by the contact conductor.Touch-screen in the present invention; due to the touch control layer is directly designed on the flexible PCB; and the flexible PCB is attached at the back side of the display screen by second glue-line; the transmitance and visual not enough problem caused therefore, it is possible to solve Film touch control layers in main flow GFF (GF) technology to be located between cover sheet and display panel; and make it that the production technology of touch-screen is more simple; so as to reduce cost, production efficiency is improved.
Description
Technical field
It is more particularly to a kind of to design touch control layer in flexible circuit the present invention relates to capacitive touch screen technical field
Touch-screen on plate.
Background technology
Touch-screen is a kind of induction type liquid crystal display device for receiving the input signals such as contact or pressing, it
Appearance instead of mouse and keyboard to a certain extent, and therefore, it imparts multimedia with brand-new looks,
It is widely used in the inquiry of public information, leader's office, Industry Control, military commanding, electronic game, point
The fields such as song is ordered dishes, multimedia teaching, real estate presell.
The most frequently used touch-screen is the condenser type being operated using the electric current induction mode of human body in the market
Touch-screen.Different according to the frame mode of touch-screen, capacitive touch screen mainly has external hanging type and embedded two
Kind, external hanging type mainly includes GG, GFF (GF), OGS, embedded mainly to include In-cell, On-cell.
Above-mentioned capacitive touch screen of the prior art, although be widely used, but still have several drawbacks it
Place, such as：Compared with external hanging type, on the one hand In-cell touch panel is faced with cost height, yield is low and LCD is miscellaneous
News interference the problem of, be on the other hand difficult to customize elasticity production (once sizing, display surface plate gauge
Lattice are just fixed)；GG technologies are influenceed by thickness itself and cost factor, less to use；OGS technologies
Although frivolous, translucency is good, strength of glass is low, and anti-drop is poor；With increasingly mature, the GFF (GF) of technique
Although technology is little with In-cell, On-cell, OGS difference on thickness, and cost is low, as touch
The main flow in screen field, but many Film touch control layers of one layer or two layers between cover sheet and display panel after all,
Still there is certain distance with In-cell, On-cell, OGS in translucency and visuality.It is described above existing
There is the capacitive touch screen in technology, as shown in figure 1, touch control layer 100, difference including realizing touch controllable function
Cover sheet 200 and display screen 300 located at the both sides of touch control layer 100, located at the cover sheet 200
Upper glue layer 400 between the touch control layer 100, located at the display screen 300 and the touch control layer 100 it
Between lower glue layer 500, and the flexible PCB 600 being connected with the touch control layer frontside edge, by
In the touch control layer 100 it is located between the cover sheet 200 and the display screen 300, thus it is right
The transmitance of the touch control layer 100 and visual requirement are higher.
The content of the invention
Based on this, it is an object of the invention to provide a kind of touch-screen by touch control layer design on flexible PCB.
It is a kind of that touch control layer is designed into touch-screen on flexible PCB, including display screen, flexible PCB and
Touch control layer, the flexible PCB is coupled with the display screen, and the flexible PCB includes base material and is located at
Chip on the base material, the touch control layer includes the electrode pattern and contact conductor being located on the base material,
The electrode pattern is electrically connected to the chip by the contact conductor.The touch-screen further comprises protecting
Protecting cover plate, the first glue-line and the second glue-line, the cover sheet and the base material are located at the two of the display screen
Opposite side, first glue-line is located between the cover sheet and the display screen, and second glue-line is set
Between the display screen and the base material.
Above-mentioned touch-screen, due to the touch control layer directly being designed on the substrate, and the touch control layer is logical
The back side that second glue-line is attached at the display screen is crossed, therefore, it is possible to solve main flow GFF (GF) skill
Film touch control layers are located at the transmitance and visual not enough problem caused between cover sheet and display panel in art,
And make it that the production technology of touch-screen is more simple, so as to reduce cost, improve production efficiency.
Brief description of the drawings
Fig. 1 is the schematic cross-section of touch screen structure in the prior art of the invention.
Fig. 2 is the schematic cross-section of touch screen structure in first embodiment of the invention.
Fig. 3 is the planar structure schematic diagram of touch screen structure in Fig. 2.
Fig. 4 is the planar structure schematic diagram of flexible PCB in Fig. 2.
Fig. 5 is the planar structure schematic diagram of flexible PCB in second embodiment of the invention.
Fig. 6 is the planar structure schematic diagram of the second glue-line in third embodiment of the invention.
Fig. 7 is the schematic cross-section of touch screen structure in fourth embodiment of the invention.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.
Some embodiments of the present invention are given in accompanying drawing.But, the present invention can come real in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to this
The disclosure of invention is more thorough comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly in another yuan
On part or there can also be an element placed in the middle.When an element is considered as " connection " another element, it can
To be directly to another element or may be simultaneously present centering elements.Term as used herein " is hung down
It is straight ", " level ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, technology of all of technologies and scientific terms used here by the article with belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.Art used in the description of the invention herein
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.It is used herein
Term " and/or " include the arbitrary and all combination of one or more related Listed Items.
Fig. 2 and Fig. 3 are referred to, one kind that first embodiment of the invention is provided designs touch control layer in flexible circuit
Touch-screen on plate, including display screen 10, flexible PCB 11 and touch control layer 12, the flexible PCB
11 couple with the display screen 10.
The touch-screen also includes cover sheet 13, the first glue-line 14 and the second glue-line 15, the protection cap
Plate 13 and the flexible PCB 11 are located at the two opposite sides of the display screen 10, first glue-line 14
Between the cover sheet 13 and the display screen 10, second glue-line 15 is located at the display screen
Between 10 and the flexible PCB 11.
The display screen 10 is LCD liquid crystal display screen, and the display screen 10 includes being capable of front 101 and the back of the body
Face 102.
The cover sheet 13 is safety glass, and the cover sheet 13 passes through first glue-line 14 and institute
State positive 101 laminating in display screen 10.
The flexible PCB 11 includes base material 111 and the chip 112 on the base material 111, described
Touch control layer 12 includes the electrode pattern 121 and contact conductor 122 being located on the base material 111, the electrode
Pattern 121 is electrically connected to the chip 112 by the contact conductor 122.
The base material 111 includes first surface 1111 and the second surface corresponding with the first surface 1111
1112, the first groove 1113 of preset shape is provided with the first surface 1111, the base material 111 passes through
Second glue-line 15 is fitted with the back side 102 described in the display screen 10.
Refer to Fig. 2 and Fig. 4, the touch control layer 12 include the electrode pattern 121 being located on the base material and
Contact conductor 122, the electrode pattern 121 is electrically connected to the chip 112 by the contact conductor 122,
The touch control layer 12 is located in first groove 1113 in the base material 111, the touch control layer 12
Thickness is less than or equal to the depth of first groove 1113, so that the base material 111 can be to the touch control layer
12 form protection, prevent the touch control layer 12 to be destroyed in subsequent handling.The electrode pattern 121 includes
Driving electrodes 1211 and induction electrode 1212, the driving electrodes 1211 and the induction electrode 1212 are distinguished
Connected in the contact conductor 122, the driving electrodes 1211 and the induction electrode 1212 are all pros
Shape, and the driving electrodes 1211 and the induction electrode 1212 are located at same layer.
It should be understood that in other embodiments, the driving electrodes 1211 and the induction electrode 1212
The one kind being shaped as among rectangle, rhombus, parallelogram, curvilinear boundary quadrilateral or irregular polygon.
First glue-line 14 is attached to described positive the 101 of the display screen 10, first glue-line 14
It is solidify to form by being coated on positive 101 jelly, therefore, the thickness of the first glue-line 14 is less than institute
State the thickness of display screen 10.First glue-line 14 is made up of transparent insulation material, forms first glue
The jelly of layer 14 is solvent-free ultra-violet curing acryl resin.It should be understood that in other embodiments,
Forming the jelly of first glue-line 14 can also be for light binding, hot-setting adhesive and from dry glue.
Second glue-line 15 is attached to the first surface 1111 of the base material 111, second glue-line
15 jelly by being coated on the first surface 1111 is solidify to form, therefore, and second glue-line 15 is thick
Thickness of the degree less than the first surface 1111.Second glue-line 15 is made up of transparent insulation material, is formed
The jelly of second glue-line 15 is solvent-free ultra-violet curing acryl resin.It should be understood that at other
In embodiment, forming the jelly of second glue-line 15 can also be for light binding, hot-setting adhesive and from dry glue.By
In second glue-line 15 located at described in the back side 102 of the display screen 10 and the base material 111
Between first surface 1111, so second glue-line 15 can be by transmitance less than first glue-line 14
Transparent insulation material or nontransparent insulating materials are made, so as to reduce production cost.
To sum up, in the above embodiment of the present invention, first flexible PCB 11 of the prior art is amplified,
The touch control layer 12 is directly designed on the flexible PCB 11 again, and the touch control layer 12 passes through institute
The back side 102 that the second glue-line 15 is attached at the display screen 10 is stated, therefore, it is possible to solve main flow GFF (GF)
Film touch control layers are located at the transmitance caused between cover sheet and display screen in technology and visual deficiency is asked
Topic, so as to improve the visuality of whole touch-screen, and make it that the production technology of touch-screen is more simple,
So as to reduce cost, production efficiency is improved.
In the above embodiment of the present invention, the touch control layer 12 is formed by way of similar Nano Silver fill process
In on the base material 111, it is possible to understand that, in other embodiments, the touch control layer 12 can also pass through class
It is formed at like the mode of ITO etch process on the base material 111.
Referring to Fig. 5, being the planar structure schematic diagram of flexible PCB in second embodiment of the invention, this implementation
Flexible PCB 12 in example is more or less the same with flexible PCB 12 in first embodiment, and difference exists
Flexible PCB 12 in the present embodiment is on the basis of first embodiment, described in the base material 111
There is no first accepting hole 16 of the region provided with certain depth of electrode pattern, described first on first surface 1111
Accepting hole 16 is circular port, and the depth of first accepting hole 16 is less than the depth of first groove 1113.
In theory, fitted between the base material 111 and the display screen 10 by the whole face of second glue-line 15,
Gas can be expelled from coming by the squeezing action of roller in operation process, but be due to the base material 111 and institute
State the back side 102 of display screen 10 not 100% it is smooth, so after both laminatings, small part gas meeting
Remain in adhesive surface, form confining gas chamber, be also difficult to remove even by deaeration operation, therefore in institute
State first receipts of the region provided with certain depth for not having electrode pattern on the first surface 1111 of base material 111
Hold hole 16, the depth of first accepting hole 16 is less than the depth of first groove 123, can excluded residual
Stay in the bubble that can not discharged in second glue-line 15.
Referring to Fig. 6, being the planar structure schematic diagram of the second glue-line in third embodiment of the invention, the present embodiment
In the second glue-line 15 it is more or less the same with the second glue-line 15 in first embodiment, difference is this reality
The second glue-line 15 in example is applied on the basis of first embodiment, provided with circle in the second described glue-line 15
Second accepting hole 17 of shape, second accepting hole 17 is through hole.
Referring to Fig. 7, in being the schematic cross-section of touch screen structure in fourth embodiment of the invention, the present embodiment
Touch screen structure and first embodiment in touch screen structure it is more or less the same, difference is the present embodiment
In touch screen structure on the basis of first embodiment, there is no electrode pattern on the first surface 1111
Region be provided with the 3rd accepting hole 18 of certain depth, the 4th accepting hole is provided with the second described glue-line 15
19, the 3rd accepting hole 18 is circular port, and the depth of the 3rd accepting hole 19 is recessed less than described first
The depth of groove 123, the 4th accepting hole 19 is through hole.
It should be understood that first accepting hole 16, second in second, third and fourth embodiment above
The shape of accepting hole 17, the 3rd accepting hole 18 and the 4th accepting hole 19 is except can be in addition to circular, can be also
The regular shapes such as square, triangle or other non-regular shapes.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, can also make it is some deformation and
Improve, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is defined.
Claims (10)
1. a kind of touch-screen, including display screen, flexible PCB and touch control layer, the flexible PCB and institute
State display screen coupling, it is characterised in that：The flexible PCB includes base material and the core on the base material
Piece, the touch control layer includes the electrode pattern and contact conductor being located on the base material, and the electrode pattern leads to
Cross the contact conductor and be electrically connected to the chip.
2. touch-screen according to claim 1, it is characterised in that the touch-screen also includes protection cap
Plate, the cover sheet and the flexible PCB are located at the two opposite sides of the display screen.
3. touch-screen according to claim 2, it is characterised in that the base material include first surface and
The first groove of preset shape is provided with the second surface corresponding with the first surface, the first surface.
4. touch-screen according to claim 3, it is characterised in that the touch control layer is located at described first
In groove, the thickness of the touch control layer is less than or equal to the depth of first groove.
5. touch-screen according to claim 1, it is characterised in that the electrode pattern includes driving electricity
Pole and induction electrode, the driving electrodes and the induction electrode are located at same layer.
6. touch-screen according to claim 3, it is characterised in that the touch-screen further comprises institute
State the first glue-line between cover sheet and the display screen, and located at the display screen and the base material it
Between the second glue-line.
7. touch-screen according to claim 6, it is characterised in that first glue-line is optical clear
Glue.
8. touch-screen according to claim 6, it is characterised in that the first surface is provided with certain
First accepting hole of depth, the depth of first accepting hole is less than the depth of first groove.
9. touch-screen according to claim 6, it is characterised in that second is provided with second glue-line
Accepting hole, second accepting hole is through hole.
10. touch-screen according to claim 1, it is characterised in that the touch control layer is in the base material
On generation type be one kind among fill process or etch process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610119375.9A CN107153472A (en) | 2016-03-02 | 2016-03-02 | Touch-screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610119375.9A CN107153472A (en) | 2016-03-02 | 2016-03-02 | Touch-screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107153472A true CN107153472A (en) | 2017-09-12 |
Family
ID=59792466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610119375.9A Pending CN107153472A (en) | 2016-03-02 | 2016-03-02 | Touch-screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107153472A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052233A (en) * | 2018-01-03 | 2018-05-18 | 上海天马微电子有限公司 | Display panel and display device |
| CN108153452A (en) * | 2018-02-08 | 2018-06-12 | 深圳市骏达光电股份有限公司 | The cover board and its manufacturing process of In-cell touch panel |
| CN108762595A (en) * | 2018-07-18 | 2018-11-06 | 牧东光电科技有限公司 | A kind of capacitive touch screen and preparation method thereof |
| CN108919998A (en) * | 2018-06-30 | 2018-11-30 | 云谷（固安）科技有限公司 | Touch panel and preparation method thereof |
| WO2019153356A1 (en) * | 2018-02-12 | 2019-08-15 | 深圳市柔宇科技有限公司 | Touch-control display panel and touch-control display device |
| CN114840098A (en) * | 2021-02-01 | 2022-08-02 | 京东方科技集团股份有限公司 | Touch display panel and manufacturing method thereof, touch display screen and spliced screen |
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| CN202976047U (en) * | 2012-12-12 | 2013-06-05 | 深圳欧菲光科技股份有限公司 | Capacitive touch screen structure |
| CN103226413A (en) * | 2013-04-18 | 2013-07-31 | 广东欧珀移动通信有限公司 | Touch screen and method for realizing narrow edge of touch screen |
| CN103226423A (en) * | 2013-03-29 | 2013-07-31 | 北京京东方光电科技有限公司 | Embedded type capacitor touch display panel, display device, control device and method |
| CN104166491A (en) * | 2014-08-11 | 2014-11-26 | 深圳市宇顺电子股份有限公司 | Method for manufacturing touch control screen and touch control screen |
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| CN205540652U (en) * | 2016-03-02 | 2016-08-31 | 深圳欧菲光科技股份有限公司 | Touch screen |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108052233A (en) * | 2018-01-03 | 2018-05-18 | 上海天马微电子有限公司 | Display panel and display device |
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| CN108153452A (en) * | 2018-02-08 | 2018-06-12 | 深圳市骏达光电股份有限公司 | The cover board and its manufacturing process of In-cell touch panel |
| WO2019153356A1 (en) * | 2018-02-12 | 2019-08-15 | 深圳市柔宇科技有限公司 | Touch-control display panel and touch-control display device |
| CN108919998A (en) * | 2018-06-30 | 2018-11-30 | 云谷（固安）科技有限公司 | Touch panel and preparation method thereof |
| CN108762595A (en) * | 2018-07-18 | 2018-11-06 | 牧东光电科技有限公司 | A kind of capacitive touch screen and preparation method thereof |
| CN108762595B (en) * | 2018-07-18 | 2024-08-13 | 牧东光电科技有限公司 | Capacitive touch screen and preparation method thereof |
| CN114840098A (en) * | 2021-02-01 | 2022-08-02 | 京东方科技集团股份有限公司 | Touch display panel and manufacturing method thereof, touch display screen and spliced screen |
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Address after: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant after: Ophiguang Group Co.,Ltd. Address before: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant before: OFilm Tech Co.,Ltd. Address after: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant after: OFilm Tech Co.,Ltd. Address before: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen OFilm Tech Co.,Ltd. |
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Effective date of registration: 20210222 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Applicant after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Ophiguang Group Co.,Ltd. |