CN204480204U - Built-in type touch display screen module - Google Patents
Built-in type touch display screen module Download PDFInfo
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- CN204480204U CN204480204U CN201520130288.4U CN201520130288U CN204480204U CN 204480204 U CN204480204 U CN 204480204U CN 201520130288 U CN201520130288 U CN 201520130288U CN 204480204 U CN204480204 U CN 204480204U
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Abstract
The utility model relates to a kind of built-in type touch display screen module; the built-in type touch display screen comprising cover sheet and fit with cover sheet; cover sheet has visible area and is positioned at the non-visible area outside visible area; touch controlled key region is provided with in non-visible area; visible area is corresponding with the touch sensitive areas of built-in type touch display screen; touch controlled key region is provided with touch key-press conductive pattern, and described touch key-press conductive pattern extends to visible area.Touch key-press conductive pattern is made in the key area at the cover sheet back side; this touch key-press conductive pattern connects touch controlled key region and the corresponding sense region, visible area of outside, visible area; when finger touch is when the touch controlled key region of outside, cover sheet visible area; the touch area that this touch key-press conductive pattern can will be sensed in Electrical change Signal transmissions to visible area, therefore without the need to going between Electrical change Signal transmissions separately to control circuit.
Description
Technical field
The utility model relates to touch-control display field, particularly a kind of built-in type touch display screen module.
Background technology
The electronic product now with touch function is used widely, touch display screen more and more replaces traditional mechanical keyboard as input media, such as: from undersized smart mobile phone, panel computer, to large-sized notebook, all-in-one, even larger sized electronic blackboard etc.People can by the icon on direct point touching display screen, or by touching virtual touch controlled key, more intuitive and convenient assign instruction, such as carry out the input etc. of word.
The touch display screen possessing the electronic product touching Presentation Function in the market is generally divided into the several types such as resistance-type, condenser type, infrared-type and ultrasonic type, is wherein most widely used with capacitive touch display screen again.Capacitive touch display screen mainly comprises external hanging type touch display screen and touch-screen is embedded into the built-in type touch display screen in display module.No matter be external hanging type touch display screen or built-in type touch display screen, its structure includes cover sheet and the touch control unit that is positioned at below cover sheet and display screen.Wherein external hanging type touch display screen, its touch control unit is between cover sheet and display screen, and built-in type touch display screen, its touch control unit is positioned at display screen inside.Modal cover sheet is tempered glass, and its skin hardness is high, and rub resistance is good, and extraordinary playing protects the touch sensible parts of below and the effect of display unit.
No matter be external hanging type touch display screen or built-in type touch display screen, its touch-screen body generally comprises visible area and peripheral non-visible area, and touch controlled key region is often positioned at the non-visible area outside touch-screen visible area.
External hanging type touch display screen mainly comprises OGS (one glass solution; namely touch control unit is directly made in the cover sheet back side), DITO (double ITO; namely touch control unit is made on independent glass substrate) etc. glass capacitive touch display screen; and the thin-film capacitor touch display screen (touch control unit is made on film substrate, then fits with cover sheet) such as GFF (glass-film-film), GF (glass-film), GF1.The conductive pattern of its touch controlled key of external hanging type touch display screen and the electrode pattern of visible area all can together be produced on film or glass baseplate, therefore without the need to making in addition separately the conductive pattern of touch controlled key.
Built-in type touch display screen mainly comprises Oncell (being made between colored filter substrate and polaroid by touch control unit) and Incell (being embedded in the liquid crystal pixel of display screen by touch control unit) two schemes.Because its touch control unit of built-in type touch display screen is embedded into display screen inside; and display screen corresponding with the visible area of cover sheet (size completely or close to fit like a glove); its touch sensitive areas is limited in the region (i.e. the visible area of cover sheet) of display screen; and the non-visible area of cover sheet cannot be sensed, be such as positioned at the touch controlled key of non-visible area.Therefore the conductive pattern being positioned at the touch controlled key of the non-visible area of touch display screen is all independent making, invests the respective regions of non-visible area, the cover sheet back side.
The method making separately the conductive pattern of touch controlled key at the cover sheet back side is mainly: have the conductive layer of the key induced unit of separate conductive in the key area laminating of non-visible area, the cover sheet back side or key induced for conduction unit is directly produced on key area, the cover sheet back side; Then key induced unit is linked together with control circuit by lead-in wire, with by touch signal individual transmission to control circuit.Various way needs to increase laminating or circuit makes above, and the processing procedure of binding, all causes the increase of the loaded down with trivial details of processing procedure and cost.
Utility model content
Based on this, be necessary to provide a kind of built-in type touch display screen module for above-mentioned defect.
A kind of built-in type touch display screen module; the built-in type touch display screen comprising cover sheet and fit with cover sheet; described cover sheet has visible area and is positioned at the non-visible area outside visible area; touch controlled key region is provided with in described non-visible area; described visible area is corresponding with the touch sensitive areas of built-in type touch display screen; described touch controlled key region is provided with touch key-press conductive pattern, and described touch key-press conductive pattern extends to visible area.
Wherein in an embodiment, the surface that described cover sheet and built-in type touch display screen are fitted is the back side, and the back side of described cover sheet is provided with barrier bed, forms described non-visible area by described barrier bed.
Wherein in an embodiment, on the back side that described touch key-press conductive pattern is formed in described cover sheet and barrier bed.
Wherein in an embodiment, described touch key-press conductive pattern is formed on the back side of described cover sheet, on the back side that described barrier bed is formed in described cover sheet and described touch key-press conductive pattern.
Wherein in an embodiment; described touch key-press conductive pattern is formed by transferable transparent conductive film; described transparent conductive film comprises transparent photosensitive resin layer and conductive layer; described conductive layer comprises the development of staggered overlap joint; described development is embedded in a surface of photosensitive resin layer; and part development is exposed to this surface, completely cut off by photosensitive resin layer between described cover sheet and conductive layer.
Wherein in an embodiment, described touch key-press conductive pattern also comprises covering protective film on the electrically conductive.
Wherein in an embodiment, described touch key-press conductive pattern also comprises the dielectric film covered on another surface of photosensitive resin layer.
Above-mentioned built-in type touch display screen module makes touch key-press conductive pattern in the key area at the cover sheet back side; this touch key-press conductive pattern connects touch controlled key region and the corresponding sense region, visible area of outside, visible area; when finger touch is when the touch controlled key region of outside, cover sheet visible area; the touch area that this touch key-press conductive pattern can will be sensed in Electrical change Signal transmissions to visible area, therefore without the need to going between Electrical change Signal transmissions separately to control circuit.Relative to independent touch key-press production program, this touch controlled key production program is because of without the need to going between separately by the electric signal transmission of key zone to control circuit, and therefore processing procedure is more simple, greatly reduces costs.
Accompanying drawing explanation
The perspective structure schematic diagram of the built-in type touch display screen module that Fig. 1 provides for an embodiment;
The schematic top plan view of the built-in type touch display screen module that Fig. 2 provides for an embodiment;
Fig. 3 is the structural representation of the transparency conducting layer in the built-in type touch display screen module shown in Fig. 1 and Fig. 2;
The schematic cross-section of the built-in type touch display screen module that Fig. 4 provides for an embodiment;
Fig. 5 is the enlarged diagram of part in Fig. 4 circle;
The partial cross section enlarged diagram of the built-in type touch display screen module that Fig. 6 provides for another embodiment;
Cover sheet in the built-in type touch display screen module that Fig. 7-Figure 10 provides for different embodiment and the structural representation of transparency conducting layer;
The manufacturing process schematic diagram of the built-in type touch display screen module that Figure 11 provides for an embodiment.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.First-selected embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, the object of these embodiments is provided to be make to disclosure of the present utility model more thoroughly comprehensively.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of term used in the description herein just in order to describe specific embodiment, is not intended to be restriction the utility model.
As depicted in figs. 1 and 2; the built-in type touch display screen module that one embodiment provides comprises cover sheet 10 and built-in type touch display screen 20, and described cover sheet 10 is fit together by optical clear glue-line 201 (Fig. 5, Fig. 6) and built-in type touch display screen 20.
Built-in type touch display screen 20 is that touch control unit is integrated a kind of touch display screen be arranged in display unit.Current formation built-in type touch display screen 20 has two kinds of modes usually, and a kind of is be arranged between the optical filter of display unit and polaroid by touch control unit, and another kind is arranged in the liquid crystal pixel of display unit by touch control unit.Compared to external hanging type touch display screen, built-in type touch display screen 20, owing to not needing to provide extra touch control unit carrier, thus can reduce the thickness of whole display screen module.By implementing the actions such as touch to the cover sheet 10 in built-in type touch display screen 20, the manipulation to built-in type touch display screen 20 can be realized.
The material of cover sheet 10 can be tempered glass, sapphire, or can be the compound of one or more materials in the plastic materials such as PET/PC/PMMA.The skin hardness of cover sheet 10 is not less than 3H (pencil hardness), to avoid easy scratch.
Cover sheet 10 comprises visible area 11 and is positioned at the non-visible area 12 of visible area 11 extension.Non-visible area 12 is positioned at least side of visible area 11, and in the embodiment shown in Fig. 1 and Fig. 2, non-visible area 12 is positioned at the periphery of visible area 11, is also four Jun Youfei visible areas, side 12 of visible area 11.
Non-visible area 12 normally forms barrier bed at the back side of cover sheet 10 and is formed; barrier bed is light tight, therefore the information that shows of built-in type touch display screen 20 and can complete to touch to built-in type touch display screen 20 on cover sheet 10 and wait the region manipulated to be limited to the visible area 11 of cover sheet 10.Understandably, the back side of cover sheet 10 refers to this built-in type touch display screen module in use, and cover sheet 10 is away from a surface of user.The back side and the built-in type touch display screen 20 of cover sheet 10 are fitted.In some electronic products, also have by cover sheet 10 front, also namely towards a surface of user, form frame, and make frame block the marginal portion of cover sheet 10 and form above-mentioned non-visible area 12.
Cover sheet 10 back side is positioned at non-visible area 12 and is provided with corresponding touch controlled key region 13; this touch controlled key region 13 comprises at least one touch controlled key 131; by implementing the manipulations such as touch to touch controlled key 131; instruction can be assigned, to complete corresponding operation to this built-in type touch display screen module.In other words; for the manipulation of this built-in type touch display screen module; can reach by implementing the actions such as touch in the visible area 11 of cover sheet 10, also can be implemented the actions such as touch by the touch controlled key 131 on the non-visible area 11 of cover sheet 10 and reach.Similar with the touch-control of the touch sensitive areas in visible area 11, the touch-control of touch controlled key 131 also can realize several functions, such as, receive calls, hang up the telephone, menu setecting, menu return etc.
The back side of cover sheet 10 is manufactured with specifically transparent touch key-press conductive pattern 30, and this touch key-press conductive pattern 30 prolongs and touch controlled key 131 in the visible area 11 of cover sheet 10 and non-visible area 12.That is, by arranging touch key-press conductive pattern 30, the touch sensitive areas being positioned at visible area 11 that the electric signal transmission produced the touch of touch controlled key 131 extremely can be sensed can be made.
Touch key-press conductive pattern 30 is a kind of transferable transparent conductive film, and this structure of transparent conductive film as shown in Figure 3.Touch key-press conductive pattern 30 comprises transparent photosensitive resin layer 301, and is positioned at the conductive layer 302 of photosensitive resin layer 301 upper surface.The conductive material of conductive layer 302 is development 303, and the interlaced overlap joint of development 303 forms conductive network.Part development 303 is embedded in photosensitive resin layer 301, the exposed top layer at photosensitive resin layer 301 of part development 303 by photosensitive resin parcel.Conductive layer 302 thickness is much smaller than photosensitive resin layer 301 thickness." much smaller than " to can be understood as be 1/50th or less.In one embodiment, conductive layer 302 thickness in described touch key-press conductive pattern 30 is about 0.1 μm, and the thickness of photosensitive resin layer 301 is 5 μm.
The touch key-press conductive pattern 30 at cover sheet 10 back side, is obtained by press mold, exposure, development.The conductive layer 302 of touch key-press conductive pattern 30 is with cover sheet 10 back side by photosensitive resin layer 301 spacer insulator, and that is, the back side of conductive layer 302 cover sheet 10 dorsad, towards built-in type touch display screen 20.
In addition, because conductive layer 302 is exposed, therefore by printing or paste the protective film 304 that one deck is made up of insulating gel, be not scraped off to protect this conductive layer 302.In addition, also can on photosensitive resin layer 301 with on the relative surface, surface forming conductive layer 302 by covering the back side of the ultra-thin photosensitive transparent dielectric film 305 of one deck pollution protection cover plate 10 to avoid exposing, in developing process.
As shown in Figure 4 and Figure 5, in one embodiment, the back side of cover sheet 10 forms barrier bed 101, and then forms touch key-press conductive pattern 30 on the back side of cover sheet 10 and barrier bed 101.Wherein touch key-press conductive pattern 30 is filled and led up because barrier bed 101 is formed in the back side of cover sheet 10 and the step formed.
As shown in Figure 6, in another embodiment, the back side of cover sheet 10 forms touch key-press conductive pattern 30, and then forms barrier bed 101 on the back side of cover sheet 10 and touch key-press conductive pattern 30.This kind of mode can avoid because touch key-press conductive pattern 30 cross over first form barrier bed 101 and generates step time the step difference cannot filled herein cause the problem of appearance generations such as bubble.
As shown in Fig. 7 to Figure 10; described touch key-press conductive pattern 30 can be various shape; as square; bar shaped; circular; oval etc., with cross over cover sheet 10 back side with visible area 11 and non-visible area 12, and connect the sensing region of visible area 11 and the touch controlled key region 13 of non-visible area 12.
Because traditional built-in type touch display screen is being positioned at without touch-control sensing unit below the touch controlled key region of non-visible area, therefore cannot senses and touching instruction accordingly.The utility model makes separately touch-control sensing unit without the need to the touch controlled key region being positioned at non-visible area in built-in type touch display screen; and directly transparent touch key-press conductive pattern 30 is set at cover sheet 10 back side; this touch key-press conductive pattern 30 is electrically connected the touch controlled key region 13 of touch-control sensing region in visible area 11 and non-visible area; thus can by being positioned at visible area 11 and the button that the touch control unit being arranged on built-in type touch display screen 20 inside senses non-visible area 12 touches, and without the need to making separately touch controlled key unit.
The method for making of the built-in type touch display screen module that the utility model provides below is described in conjunction with Figure 11 again.
Wherein in an embodiment: first, provide the cover sheet 10 making the barrier bed 101 being positioned at visible area 11 surrounding.Wherein require that the thickness of barrier bed 101 is as far as possible little, in order to avoid cannot fill the layer offset that barrier bed 101 formed with cover sheet 10 back side during follow-up making touch key-press conductive pattern 30, the thickness of preferred barrier bed 101 is below 5 μm.
Selectively, plasma treatment or Ultrasonic Cleaning are carried out to the surface of the cover sheet 10 making barrier bed 101, surfaceness and cleanliness are met the requirements more.
Then, by can be covered on the back side (being upper surface shown in Figure 11) of cover sheet 10 by the mode of roller hot pressing by transfer printing transparent conductive film 300 for the formation of touch key-press conductive pattern 30.Conductive film 300 comprises photosensitive resin layer and conductive layer, and wherein conductive layer is interlocked by development to overlap the conductive network that formed, and development is embedded in a surface of photosensitive resin layer, and photosensitive resin layer fits in the back side of cover sheet 10.
Particularly, can the thickness of transfer printing transparent conductive film 300 it be 5 μm or 15 μm, touch controlled key region or whole the property press mold at cover sheet 10 back side can be transferred in the whole face of transfer printing conductive film 300 by film laminator, the temperature of press mold preferably 100 ~ 140 DEG C, press mold speed is preferably 0.6 ~ 1.0m/s, and the pressure of press mold is preferably 0.4MPa; Mainly in order to ensure close attachment between transparent conductive film 300 and cover sheet 10.This step is carried out under gold-tinted condition.Alternatively, the ultra-thin photosensitive transparent insulating film 305 of one deck can be covered at the back side of cover sheet 10, to protect or the back side of cover sheet 10 described in localised protection.In addition, alternatively, also in exposed conductive layer printed outside or the protective film 304 that one deck is made up of insulating gel can be pasted, not be scraped off to protect this conductive layer.
Then, utilize the light shield 400 with set touch key-press conductive pattern to be arranged on transparent conductive film 300, and by exposure, development patterned transparent conductive film 300, remove the part of transparent conductive film 300, to form touch key-press conductive pattern 30.This step is carried out under gold-tinted condition.
In certain embodiments, can include emulsion by transfer printing transparent conductive film 300, therefore only needing just can graphically to obtain the touch key-press conductive pattern 30 of predetermined pattern by exposing and develop, and without the need to etching.Wherein exposure is contactless exposure, and exposure energy is between 10 ~ 200mj; The composition of developer solution is weak base, such as sal tartari, and sodium carbonate, organic amine etc., concentration is between 0.1wt% ~ 2wt%.The conductive layer be not exposed and photosensitive resin layer can all remove by developer solution, therefore the development be embedded in photosensitive resin layer is removed formation insulating regions with photosensitive resin, and the region be exposed then this photosensitive resin is cured and forms touch key-press conductive pattern 30 together with development in subsequent step.
After removing light shield 400, the touch key-press conductive pattern 30 formed is cured, usually utilizes the mode of UV-irradiation to solidify after exposure, development.Through high-octane ultraviolet light polymerization, can prevent touch key-press conductive pattern 30 from coming off; The energy of solidification is preferably about 1000mj, to react completely preferably solidification to make photosensitive resin layer.
Finally, optical clear glue-line 201 can be utilized to be bonded together with built-in type touch display screen 20 by the cover sheet 10 being formed with touch key-press conductive pattern 30, and the structure of formation as shown in Figure 5.
In another embodiment; also first touch key-press conductive pattern 30 can be made at the back side of cover sheet 10; and then make corresponding barrier bed 101; this kind of mode can solve the negative effect that visible area 11 is caused touch key-press conductive pattern 30 with the step difference of barrier bed 101 intersection, avoid because of touch key-press conductive pattern 30 cross over herein step time the step difference cannot filled herein cause the problem of appearance such as bubble to occur.The structure that this kind of mode is formed as shown in Figure 6.
Touch key-press conductive pattern 30 is crossed over back touch key area 13 and the visible area 11 of cover sheet 10 by the utility model, connects the touch controlled key region 13 of the inner corresponding sensing region in visible area 11 and non-visible area 12; When touching position corresponding to touch controlled key region 13 on cover sheet 10; the change of its electric signal can be transferred to the corresponding sense region of inside, visible area 11 by touch key-press conductive pattern 30, thus this touch instruction is positioned at visible area 11 is embedded in and detects in the touch sensing unit of built-in type touch display screen 20 inside.
The utility model makes separately touch-control sensing conductive unit without the need to the touch controlled key region being positioned at outside, visible area in built-in type touch display screen, and directly adopt at the cover sheet back side can transfer printing transparent conductive film, directly transparent touch key-press conductive pattern is made in touch controlled key region by the mode of exposure imaging, touch-control sensing district in this touch key-press conductive pattern electric connection viewing area and the touch controlled key region of non-visible area, thus the button touch of non-visible area can be sensed by the touch-control sensing unit of inside, visible area, and without the need to making separately touch controlled key unit.
This transparent touch button conductive pattern directly passes through press mold at the cover sheet back side in addition, exposure, and the mode of development makes specific pattern, substantially reduces the processing procedure of touch controlled key zone conducts current pattern, reduces the cost of manufacture of key legend conductive layer.Understandably; in other embodiments; touch key-press conductive pattern can use Graphene; carbon nano-tube; metal grill, development, the similar conductive material such as ITO is raw material and is formed in the cover sheet back side in the mode of plated film; or first form set conductive pattern at hyaline membrane material (such as PET etc.) upper plating ITO, then fit with the cover sheet back side.Understandably, in other embodiments, touch key-press conductive pattern can be formed in the cover sheet back side with PEDOT material in the mode of printing.This PEDOT material comprises propylene glycol, diethylene glycol, the multipolymer of polyethylenedioxythiophene/polystyrolsulfon acid and water.Wherein the content of propylene glycol is less than or equal to 70% (quality, lower same), and the content of diethylene glycol is less than or equal to 15%, and the content of the multipolymer of polyethylenedioxythiophene/polystyrolsulfon acid is less than or equal to 1%, and all the other are water.The derivant Polyglycolic acid fibre of PEDOT and polythiophene, adopts PEDOT material to make touch key-press conductive pattern, is formed have by mode of printing, technology difficulty and cost is low, yield and the high advantage of production efficiency.
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 the utility model the scope of the claims.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 (7)
1. a built-in type touch display screen module; the built-in type touch display screen comprising cover sheet and fit with cover sheet; described cover sheet has visible area and is positioned at the non-visible area outside visible area; touch controlled key region is provided with in described non-visible area; described visible area is corresponding with the touch sensitive areas of built-in type touch display screen; it is characterized in that: described touch controlled key region is provided with touch key-press conductive pattern, described touch key-press conductive pattern extends to visible area.
2. built-in type touch display screen module according to claim 1; it is characterized in that; the surface that described cover sheet and built-in type touch display screen are fitted is the back side, and the back side of described cover sheet is provided with barrier bed, forms described non-visible area by described barrier bed.
3. built-in type touch display screen module according to claim 2, is characterized in that, on the back side that described touch key-press conductive pattern is formed in described cover sheet and described barrier bed.
4. built-in type touch display screen module according to claim 2; it is characterized in that; described touch key-press conductive pattern is formed on the back side of described cover sheet, on the back side that described barrier bed is formed in described cover sheet and described touch key-press conductive pattern.
5. built-in type touch display screen module according to claim 1; it is characterized in that; described touch key-press conductive pattern is formed by transferable transparent conductive film; described transparent conductive film comprises transparent photosensitive resin layer and conductive layer; described conductive layer comprises the development of staggered overlap joint; described development is embedded in a surface of photosensitive resin layer, and part development is exposed to this surface, is completely cut off between described cover sheet and conductive layer by photosensitive resin layer.
6. built-in type touch display screen module according to claim 5, is characterized in that, described touch key-press conductive pattern also comprises covering protective film on the electrically conductive.
7. built-in type touch display screen module according to claim 5, is characterized in that, described touch key-press conductive pattern also comprises the dielectric film covered on another surface of photosensitive resin layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520130288.4U CN204480204U (en) | 2015-03-06 | 2015-03-06 | Built-in type touch display screen module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520130288.4U CN204480204U (en) | 2015-03-06 | 2015-03-06 | Built-in type touch display screen module |
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| CN204480204U true CN204480204U (en) | 2015-07-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045431A (en) * | 2015-08-31 | 2015-11-11 | 深圳市汇顶科技股份有限公司 | Intelligent sensor for touch screen terminal and touch detection method for intelligent sensor |
| CN105634458A (en) * | 2015-11-02 | 2016-06-01 | 东莞酷派软件技术有限公司 | Touch key unit and device |
| CN105988633A (en) * | 2015-03-06 | 2016-10-05 | 南昌欧菲光科技有限公司 | Embedded touch display screen module and manufacturing method thereof |
| US10261621B2 (en) | 2015-12-31 | 2019-04-16 | Xiamen Tianma Micro-Electronics Co., Ltd. | Touch display device and touch detection method |
-
2015
- 2015-03-06 CN CN201520130288.4U patent/CN204480204U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105988633A (en) * | 2015-03-06 | 2016-10-05 | 南昌欧菲光科技有限公司 | Embedded touch display screen module and manufacturing method thereof |
| CN105988633B (en) * | 2015-03-06 | 2019-07-30 | 南昌欧菲光科技有限公司 | Built-in type touch display screen mould group and preparation method thereof |
| CN105045431A (en) * | 2015-08-31 | 2015-11-11 | 深圳市汇顶科技股份有限公司 | Intelligent sensor for touch screen terminal and touch detection method for intelligent sensor |
| CN105045431B (en) * | 2015-08-31 | 2019-07-12 | 深圳市汇顶科技股份有限公司 | Intelligence sensor and its touch detecting method for touch screen terminal |
| CN105634458A (en) * | 2015-11-02 | 2016-06-01 | 东莞酷派软件技术有限公司 | Touch key unit and device |
| CN105634458B (en) * | 2015-11-02 | 2019-06-11 | 东莞酷派软件技术有限公司 | A kind of touch controlled key unit and device |
| US10261621B2 (en) | 2015-12-31 | 2019-04-16 | Xiamen Tianma Micro-Electronics Co., Ltd. | Touch display device and touch detection method |
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Granted publication date: 20150715 Termination date: 20190306 |