CN205003637U - Touch display device - Google Patents
Touch display device Download PDFInfo
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- CN205003637U CN205003637U CN201520755461.XU CN201520755461U CN205003637U CN 205003637 U CN205003637 U CN 205003637U CN 201520755461 U CN201520755461 U CN 201520755461U CN 205003637 U CN205003637 U CN 205003637U
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- Prior art keywords
- touch
- electrode
- sensitive layer
- display unit
- liquid crystal
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- 239000000463 material Substances 0.000 claims abstract description 42
- 229920001721 polyimide Polymers 0.000 claims abstract description 40
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 57
- 239000010408 film Substances 0.000 description 38
- 238000002360 preparation method Methods 0.000 description 6
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- ZXTFQUMXDQLMBY-UHFFFAOYSA-N alumane;molybdenum Chemical compound [AlH3].[Mo] ZXTFQUMXDQLMBY-UHFFFAOYSA-N 0.000 description 2
- 239000002322 conducting polymer Substances 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 238000007761 roller coating Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- -1 be interposed in Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 210000004276 hyalin Anatomy 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Abstract
The utility model relates to a touch display device, including polarizing on, the light filter, the liquid crystal layer, the base plate, lower polaroid and touch - sensitive layer, the light filter includes the substrate and sets up the filter coating at the substrate lower surface, the liquid crystal layer includes joins in marriage to the membrane, under join in marriage to the membrane, insert and put last, join in marriage to the liquid crystal between the membrane down, and the NULL and the the pixel electrode of drive liquid crystal, the pixel electrode sets up the upper surface at the base plate, touch - sensitive layer includes polyimide film and sets up the touch -control electrode on a polyimide film surface, touch - sensitive layer sets up on polarizing on, the lower surface, the upper surface of substrate, the lower surface of filter coating, join in marriage the lower surface to the membrane down, the pixel electrode's the upper surface or the lower surface of base plate. On the components such as polaroid of touch - sensitive layer setting in the display screen, can directly make the display screen have the touch -control function, need not an equipment touch -sensitive screen on the display screen again, can reduce touch display device's thickness, save material and assembly costs.
Description
Technical field
The utility model relates to touch-control display field, particularly relates to a kind of touch display unit.
Background technology
Touch-screen is the inductive arrangement that can receive the input signals such as touch.Touch-screen imparts the brand-new looks of information interaction, is extremely attractive brand-new information interaction equipment.The development of touch screen technology causes the common concern of domestic and international information medium circle, has become the Chaoyang new high-tech industry that photovoltaic industry is a dark horse.
At present, there is the electronic installation touching Presentation Function to include display screen and be positioned at the touch-screen on display screen.But, touch-screen as with display screen independently assembly, time in the electronic installation realizing man-machine interaction for some, all need to order according to the size of display screen, assemble again afterwards.The assembling of existing touch-screen and display screen mainly contains two kinds of modes, and namely frame pastes and entirely fits, and it is fitted at the edge of touch-screen and display screen that frame pastes, and full laminating is fitted at the lower surface of touch-screen and whole of the upper surface of display screen.
Display screen is as the composite module of polaroid, optical filter, liquid crystal layer and thin film transistor (TFT) (TFT) etc., have comparatively large and be difficult to the thickness that reduces, but touch-screen as with display screen independently component, when electronic installation is assembled, not only need complicated packaging technology, also again can increase thickness and the weight of electronic installation.Moreover many one packaging technologies, just mean and add the bad probability of product, greatly increase the production cost of product.
For reducing the thickness of touch display unit, people develop the touch display unit of in-cell and on-cell structure.In-cell structure generally adopts touch sensitive layer to integrate the mode be arranged in the liquid crystal layer of display screen and obtains, and this kind of mode technical threshold is high, and yield is low, realizes cost large.On-cell structure generally adopts the mode carrying out being coated with touch sensible pattern formation touch sensitive layer on the glass substrate of optical filter to obtain.Industry seldom has the report based on the alignment film on the polaroid in display screen and in liquid crystal layer being arranged the modes such as touch sensitive layer, key constraints is that polaroid and alignment film all do not have resistant to elevated temperatures characteristic, cannot carry out the operation being coated with touch sensible pattern on these film material surfaces.
Utility model content
Based on this, the utility model aims to provide the less touch display unit of a kind of new thickness.
A kind of touch display unit, comprise the upper polaroid set gradually, optical filter, liquid crystal layer, substrate and lower polaroid, described optical filter comprises base material and is arranged on the filter coating of base material lower surface, described liquid crystal layer comprises alignment film, lower alignment film, be interposed in, liquid crystal between lower alignment film, and drive public electrode and the pixel electrode of liquid crystal, described pixel electrode is arranged on the upper surface of substrate, described touch display unit also comprises touch sensitive layer, described touch sensitive layer comprises polyimide film and is arranged on the touch control electrode on polyimide film one surface, described touch sensitive layer is arranged on as in upper/lower positions: the upper surface of upper polaroid, the lower surface of upper polaroid, the upper surface of base material, the lower surface of filter coating, the lower surface of lower alignment film, the upper surface of pixel electrode and the lower surface of substrate.
Wherein in an embodiment, described public electrode is arranged between base material and filter coating, or described public electrode is arranged on the upper surface of substrate.
Wherein in an embodiment, described touch control electrode comprises drive electrode and induction electrode, described drive electrode and induction electrode are all set directly on polyimide film, or described drive electrode and induction electrode are at least partly in arranged in a crossed manner, and arrange an insulation course at crossover location place.
Wherein in an embodiment, the thickness of described polyimide film is 3 μm ~ 30 μm.
Wherein in an embodiment, described touch sensitive layer also comprises the cushion be arranged between polyimide film and touch control electrode.
Wherein in an embodiment, the thickness of described cushion is
Wherein in an embodiment, described touch sensitive layer also comprises and is arranged on touch control electrode away from the protective seam on a surface of polyimide film.
Wherein in an embodiment, described touch sensitive layer is bonded in the upper surface of polaroid, the lower surface of upper polaroid, the lower surface of filter coating, the lower surface of lower alignment film or the upper surface of pixel electrode.
Wherein in an embodiment, described touch sensitive layer is produced on the upper surface of base material or the lower surface of substrate.
Touch sensitive layer is arranged on the elements such as polaroid in display screen by above-mentioned touch display unit, can display screen be directly made to have touch controllable function, without the need to assembling a touch-screen on a display screen again, not only be conducive to the thickness reducing touch display unit, also greatly save material and assembly cost simultaneously.
Accompanying drawing explanation
Part-structure schematic diagram in the touch display unit that Fig. 1 provides for the utility model one embodiment.
Part-structure schematic diagram in the touch display unit that Fig. 2 provides for another embodiment of the utility model.
The structural representation of the touch sensitive layer in the touch display unit that Fig. 3-Fig. 5 provides for the different embodiment of the utility model.
The structural representation of the touch sensitive layer in the touch display unit that Fig. 6-Fig. 8 provides for the different embodiment of the utility model other.
Embodiment
The touch display unit that the utility model provides can as the display terminal with touch interactive form of the type such as mobile phone, panel computer.
As shown in Figure 1, described touch display unit comprises the upper polaroid 51, optical filter 52, liquid crystal layer 53, substrate 54 and the lower polaroid 55 that set gradually.
Described optical filter 52 comprises base material 521 and is arranged on the filter coating 522 of base material 521 lower surface.Relate to the orientation " upper surface " of related elements in the utility model, " lower surface " be according to this touch display unit in use its element and user close degree and determine, " upper surface " refers to the surface of the element in this touch display unit near user, and " lower surface " refers to the surface of the element in this touch display unit away from user.
Described liquid crystal layer 53 comprises alignment film 531, lower alignment film 532, is interposed in liquid crystal 533 between upper and lower alignment film 531,532, and drives public electrode 534 and the pixel electrode 535 of liquid crystal 533.In embodiment shown in Fig. 1, described pixel electrode 535 is arranged on the upper surface of substrate 54, described public electrode 534 is arranged between base material 521 and filter coating 522, namely also the pixel electrode 535 of liquid crystal 533 and public electrode 534 lay respectively at the both sides of liquid crystal 533, and this structure is called TN (TwistedNematic) structure by industry.
In other embodiments, drive the public electrode 534 of liquid crystal 533 and pixel electrode 535 can be positioned at the same side of liquid crystal 533, as shown in Figure 2, public electrode 534 and pixel electrode 535 are all arranged on the upper surface of substrate 54, and this structure is called IPS (In-PlaneSwitch) structure by industry.
Described touch display unit also comprises touch sensitive layer.As shown in Figure 3, in one embodiment, touch sensitive layer 30 comprises polyimide film 31 and is arranged on the touch control electrode 32 on polyimide film 31 1 surface.
The thickness of polyimide film 31 is 3 μm ~ 30 μm, is preferably 3 ~ 10 μm, more preferably 3 ~ 5 μm.The transmittance of polyimide film 31 is more than or equal to 85%, is preferably greater than or equal to 90%, is preferably greater than or equal to 95% further.
Touch control electrode 32 comprises drive electrode 321 and induction electrode 322.Described drive electrode 321 and induction electrode 322 are for responding to the touch signal put on touch display unit.Described touch signal comprises contact on the two-dimensional directional of the display plane being parallel to touch display unit, slide, to pull etc. and touch input signal, even comprises the touch input signal perpendicular to the side every empty input signal (i.e. suspension touch control signal) or display plane edge on display plane direction.Touch control electrode 32 can be that the indium tin oxide layer that is coated with is patterned again and obtain.
As shown in Figure 4, for making touch control electrode 32 in manufacturing process better with the adhesion of polyimide film 31, can a cushion 33 be set between polyimide film 31 and touch control electrode 32.The material of cushion 33 is mainly silicon dioxide.The thickness of described cushion 33 is
be preferably
more preferably
Further, as shown in Figure 5, in the manufacturing process of touch sensitive layer 30, for avoiding touch control electrode 32 to sustain damage, in touch control electrode 32, a protective seam 34 can be set on the surface away from one of polyimide film 31.Protective seam 34 can be all kinds of hyaline membrane materials such as resin etc., and is formed by the mode of coating.
Touch sensitive layer 30 in the various embodiments described above, its drive electrode 321 and induction electrode 322 are all set directly on polyimide film 31, and the touch control electrode 32 namely in touch sensitive layer 30 is individual layer multipoint configuration.Be appreciated that, in other embodiments, touch control electrode 32 also can adopt individual layer bridging structure.As shown in Figure 6, described drive electrode 321 and induction electrode 322 at least partly in arranged in a crossed manner, and arrange an insulation course 323 at crossover location place.Particularly, first can prepare the drive electrode 321 and induction electrode 322 with single layer structure, then insulation course 323 is set at set crossover location, then bridging 324 is set on insulation course 323 again.Put up a bridge 324 material can identical with other parts of induction electrode 322 or drive electrode 321, be such as tin indium oxide, the alloys such as aluminium molybdenum can also be adopted, or conducting polymer composite.
Touch sensitive layer 30 shown in Fig. 7 and Fig. 8, is with touch sensitive layer 30 difference shown in Fig. 6, also can arranges cushion 33 and protective seam 34.The setting of cushion 33 and protective seam 34 and Fig. 4, embodiment illustrated in fig. 5 in identical, this does not repeat.
Above-mentioned touch sensitive layer 30 is bonded in the correct position of touch display unit by Optical transparent adhesive.These positions comprise the lower surface of the upper surface of polaroid 51, the lower surface of upper polaroid 52, the upper surface of base material 521, the lower surface of filter coating 522, the upper surface of upper alignment film 531, the lower surface of lower alignment film 532, the upper surface of pixel electrode 535 and substrate 54.Polyimide film 31 in touch sensitive layer 30 preferably can be selected for bonding with viscose glue, and avoid not arranging in the embodiment of protective seam 34, the touch control electrode 32 in touch sensitive layer 30 sustains damage in bonding process.
When touch sensitive layer 30 is arranged on the lower surface of the upper surface of base material 521 or substrate 54, also touch sensitive layer 30 directly can be produced on the upper surface of base material 521 or the lower surface of substrate 54, and utilizes bonding mode to connect without the need to arranging adhesive linkage.
The utility model also provides a kind of preparation method of above-mentioned touch display unit.This preparation method comprises the steps:
Polaroid, optical filter, liquid crystal layer, substrate and lower polaroid are provided, described optical filter comprises base material and is arranged on the filter coating of base material lower surface, described liquid crystal layer comprises alignment film, lower alignment film, is interposed in liquid crystal between upper and lower alignment film, and driving public electrode and the pixel electrode of liquid crystal, described pixel electrode is arranged on the upper surface of substrate.
Preparation touch sensitive layer, be included in a plate surface coating polyimide solution and solidify to form polyimide film, polyimide film arranges touch control electrode, touch control electrode arranges ultraviolet light visbreaking film polyimide film, touch control electrode to be torn off from plate surface, and adopt UV-irradiation ultraviolet light visbreaking film to be departed from from touch control electrode by ultraviolet light visbreaking film.
Particularly, sheet material can be glass material.After sheet material is cleaned, be coated with transparent polyimide solution on sheet material one surface and be cured.Coating method can be spin coating, slot coated, spraying, roller coating etc.After solidification, the thickness of gained polyimide film is 3 μm ~ 30 μm, is preferably 3 ~ 10 μm, more preferably 3 ~ 5 μm.The transmittance of polyimide film is more than or equal to 85%, is preferably greater than or equal to 90%, is preferably greater than or equal to 95% further.
Then one cushion is set on the surface away from sheet material of polyimide film.The material of this cushion is mainly silicon dioxide, and this cushion fundamental purpose is the adhesion in order to increase when follow-up employing tin indium oxide makes touch control electrode between touch control electrode and polyimide film.Cushion is initially colloidal sol form, is coated on the polyimide film be cured by modes such as spin coating, slot coated, spraying, roller coating.Cushion also needs through solidification, and the thickness of the cushion after solidification is
be preferably
more preferably
This cushion can optionally be arranged, and in certain embodiments, touch control electrode directly can be produced on the surface of this polyimide film, and without the need to arranging this cushion.
Then be coated with indium tin oxide layer on the buffer layer, and utilize etching solution indium tin oxide layer to be etched into the touch control electrode of required pattern.If touch control electrode is the individual layer multipoint configuration shown in Fig. 3-Fig. 5, then only utilize etching solution to etch and obtain required conductive pattern, conductive pattern is touch control electrode.In some other embodiments, obtain the touch control electrode shown in Fig. 6-Fig. 8 if necessary, then need conductive pattern after the etching to carry out insulation course and design of putting up a bridge again.Wherein, the material of bridging can be tin indium oxide, and can be also the alloys such as aluminium molybdenum, can also be conducting polymer composite.
Formation above-mentioned based on the polyimide film+touch electrode structure of sheet material after, then one deck ultraviolet light visbreaking film is set in touch control electrode.It is comparatively large that ultraviolet light visbreaking film has initial viscous force, the characteristic that viscous force reduces after UV-irradiation.Particularly, the initial viscous force of ultraviolet light visbreaking film is greater than 300g/inch, and after UV-irradiation, viscous force is less than 20g/inch, and UV-irradiation ability is 100 ~ 3000mj/cm
2.After pasting ultraviolet light visbreaking film, utilize the high viscosity of ultraviolet light visbreaking film, polyimide film, touch control electrode are torn off from plate surface.Then, then use UV-irradiation ultraviolet light visbreaking film, ultraviolet light visbreaking film is departed from from touch control electrode surface.After UV-irradiation, the viscosity of ultraviolet light visbreaking film significantly reduces, and can ensure that ultraviolet light visbreaking film is easier to tear off, and prevents touch control electrode from when tearing off, injured occurring because viscosity is too large.Be appreciated that the step that ultraviolet light visbreaking film is departed from from touch control electrode surface also can be carried out after touch sensitive layer is bonding with the dependency structure of touch display unit again.
Further, peel off from sheet material for the ease of polyimide film+touch electrode structure, also can arrange one deck release layer on the surface of sheet material, described polyimide film is formed on release layer again, and this release layer material can be fluoride or fluorosilicone compound.
Further; for preventing polyimide film+touch electrode structure from stripping process sheet material; and ultraviolet light visbreaking film is from stripping process touch control electrode; touch control electrode is subject to scratch; before the step of ultraviolet light visbreaking film is preferably set in touch control electrode; touch control electrode arranges protective seam, and described ultraviolet light visbreaking film is arranged on the protection layer again.
After obtaining touch sensitive layer, upper polaroid, optical filter, liquid crystal layer, substrate and lower polaroid are assembled, and touch sensitive layer is adhesively fixed on upper surface, the lower surface of filter coating, the upper surface of upper alignment film, the lower surface of lower alignment film, the upper surface of pixel electrode of the upper surface of upper polaroid, the lower surface of upper polaroid, the base material of optical filter, or the lower surface of substrate.Upper polaroid, optical filter, liquid crystal layer, substrate and the isostructural assembling of lower polaroid all can utilize tackifier (as pressure-sensitive adhesive film, glue etc.) to carry out bonding laminating.
In some other embodiments, when touch sensitive layer is finally bonded in the lower surface of the upper surface of the base material of optical filter or substrate, directly base material or substrate can be used as sheet material during preparation touch sensitive layer, and without the need to arranging ultraviolet light visbreaking film more again to the step that polyimide film and touch control electrode are peeled off.
Touch sensitive layer is arranged on the elements such as polaroid in display screen by the utility model, can display screen be directly made to have touch controllable function, without the need to assembling a touch-screen on a display screen again, being not only conducive to the thickness reducing touch display unit, also greatly saving material and assembly cost simultaneously.
In addition, the preparation method that the utility model provides, without the need to adopting the mode of high temperature plated film, only relies on normal temperature laminating processing procedure touch sensitive layer can be arranged on the plastic material such as polaroid, alignment film.And relative to traditional tin indium oxide touch control electrode, the preparation method that the utility model provides can make that touch sensitive layer is more high temperature resistant, thickness is thinner, and is easier to realize individual layer bridging structure, is suitable for making in enormous quantities.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a touch display unit, comprise the upper polaroid set gradually, optical filter, liquid crystal layer, substrate and lower polaroid, described optical filter comprises base material and is arranged on the filter coating of base material lower surface, described liquid crystal layer comprises alignment film, lower alignment film, be interposed in, liquid crystal between lower alignment film, and drive public electrode and the pixel electrode of liquid crystal, described pixel electrode is arranged on the upper surface of substrate, it is characterized in that, described touch display unit also comprises touch sensitive layer, described touch sensitive layer comprises polyimide film and is arranged on the touch control electrode on polyimide film one surface, described touch sensitive layer is arranged on as in upper/lower positions: the upper surface of upper polaroid, the lower surface of upper polaroid, the upper surface of base material, the lower surface of filter coating, the lower surface of lower alignment film, the upper surface of pixel electrode and the lower surface of substrate.
2. touch display unit according to claim 1, is characterized in that, described public electrode is arranged between base material and filter coating, or described public electrode is arranged on the upper surface of substrate.
3. touch display unit according to claim 1, it is characterized in that, described touch control electrode comprises drive electrode and induction electrode, described drive electrode and induction electrode are all set directly on polyimide film, or described drive electrode and induction electrode are at least partly in arranged in a crossed manner, and arrange an insulation course at crossover location place.
4. touch display unit according to claim 1, is characterized in that, the thickness of described polyimide film is 3 μm ~ 30 μm.
5. touch display unit according to claim 1, is characterized in that, described touch sensitive layer also comprises the cushion be arranged between polyimide film and touch control electrode.
6. touch display unit according to claim 5, is characterized in that, the thickness of described cushion is
7. touch display unit according to claim 5, is characterized in that, described touch sensitive layer also comprises and is arranged on touch control electrode away from the protective seam on a surface of polyimide film.
8. touch display unit according to claim 1, is characterized in that, described touch sensitive layer is bonded in the upper surface of polaroid, the lower surface of upper polaroid, the lower surface of filter coating, the lower surface of lower alignment film or the upper surface of pixel electrode.
9. touch display unit according to claim 1, is characterized in that, described touch sensitive layer is produced on the upper surface of base material or the lower surface of substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755461.XU CN205003637U (en) | 2015-09-25 | 2015-09-25 | Touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755461.XU CN205003637U (en) | 2015-09-25 | 2015-09-25 | Touch display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205003637U true CN205003637U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520755461.XU Expired - Fee Related CN205003637U (en) | 2015-09-25 | 2015-09-25 | Touch display device |
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| CN (1) | CN205003637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106557187A (en) * | 2015-09-25 | 2017-04-05 | 深圳欧菲光科技股份有限公司 | Touch display unit and preparation method thereof |
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- 2015-09-25 CN CN201520755461.XU patent/CN205003637U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106557187A (en) * | 2015-09-25 | 2017-04-05 | 深圳欧菲光科技股份有限公司 | Touch display unit and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20180925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |