CN205353979U - Forced induction touch -control display screen and portable electronic products - Google Patents
Forced induction touch -control display screen and portable electronic products Download PDFInfo
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- CN205353979U CN205353979U CN201521016369.8U CN201521016369U CN205353979U CN 205353979 U CN205353979 U CN 205353979U CN 201521016369 U CN201521016369 U CN 201521016369U CN 205353979 U CN205353979 U CN 205353979U
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Abstract
For the forced induction mode of solving present touch -control display screen all is because Z axle dimensional change reaches the pressure sensing, limited the selection and the collocation of material, influence the freedom of portable electronic products complete machine design, the problem of treating optimization is felt with experiencing to its sensitivity, the utility model provides a forced induction touch -control display screen and portable electronic products. Including touch screen and display screen, the display screen sticky in the touch screen below, wherein, forced induction touch -control display screen still includes XY plane forced induction layer, be equipped with the electrode piece that is array distribution on the forced induction layer of XY plane. The utility model discloses convert the Z pulldown altitude variation algorithm of present industry into XY with a layer plane algorithm. Adopt the utility model provides a scheme can effectively promote the flexibility and the degree of freedom that portable electronic products complete machine and module designed, and effectively simplifying processing promotes the yield.
Description
Technical field
This utility model relates to touching display screen field, especially possesses the touching display screen field of pressure sensitive.
Background technology
Development along with touching display screen, in touching display screen, integrated pressure induction apparatus can make portable type electronic product (such as smart mobile phone, intelligent players, e-book, PDA, flat board mobile phone etc.) there is more potential application, in addition, apply also for and open application or mobile screen cursor etc., it is achieved more control function.All of action can only be controlled by the pressure change that gesture is small.
The pressure sensitive comparing main flow above existing market is mainly piezoelectric type, pressure resistance type, and both modes can realize pressure equally and effectively transmit and identify.The pressure sensing principle of piezoelectric type and pressure resistance type is by FPC, our pressure signal effectively to search the mainboard (i.e. backsight end) passing to portable type electronic product by the material of piezoelectricity and pressure drag.
As it is shown in figure 1, the existing touching display screen possessing piezoelectric type or pressure drag type pressure sensing generally comprises touch screen 1 and display screen 2, this display screen 2 is adhesive in the lower section of touch screen 1, and touching display screen is arranged in the center 3 of portable type electronic product.Concrete, within 3 weeks, along forming stage portion, this stage portion is provided with adhesive glue 4 to this center, is pasted onto in described stage portion by the lower surface of touch screen 1 by this adhesive glue 4.Meanwhile, application pressing force sensing sensing layer S1 below this display screen 2.Wherein, the pressure sensitive sensing layer S1 of piezoelectric pressure sensing is a layer of piezo-electric material circuit, when screen is subject to External Force Acting, piezoelectric produces potential difference, mainboard (or inside the IC carried on FPC on touch screen) within portable type electronic product, by collecting the variable quantity of voltage, calculates coordinate and the pressure size of orienting pressurized.The pressure sensitive sensing layer S1 of pressure drag type pressure sensing is a lamination resistance line of material, when screen is subject to External Force Acting, pressure drag material produces energy and moves, so that resistivity changes, mainboard (or inside the IC carried on FPC on touch screen) within portable type electronic product, by collecting the variable quantity of voltage, calculates coordinate and the pressure size of orienting pressurized.The touching display screen of above-mentioned piezoelectric type or pressure drag type pressure sensing is all the change of material resistance or the voltage adopting the pressure of the applying calculated in Z-direction to cause, calculates coordinate and the Z axis pressure size of pressurized eventually through voltage variety.
There are the following problems for above-mentioned induction mode: piezoelectric type and pressure drag type pressure induction technology are both needed to allow induction line stress, the type pressure sensitive structure needs to be clamped by induction line up and down, this just requires there is degree of precision when complete machine is installed, and substantially increases the difficulty of complete machine installation.
For this, this has been improved by applicant, it is provided that a kind of new touching display screen, as in figure 2 it is shown, it includes touch screen 1 and display screen 2；Described display screen 2 is gluing below described touch screen 1；Forming stage portion on 3 weeks edges of center of mobile phone, described stage portion is provided with adhesive glue 4；Described touch screen 1 includes being centrally located visible area partly and visible area with periphery along non-visible area partly, and described touch screen 1 non-visible area lower surface is pasted onto in described stage portion；Wherein, the touch screen above described adhesive glue 4 is integrated with pressure sensitive circuit S2 for 1 week along non-visible area.Adopt this kind of mode, pressure sensitive circuit is incorporated in touch screen, this utility model makes touching display screen reduce pressure sensitive circuit S2 one layer independent, makes structure simpler, thinner, make the portable type electronic product applying this touching display screen lighter and thinner, meanwhile, the technique decreasing technique and the one step press once fitted during preparation, therefore, simplify operation, reduce cost；Portable type electronic product is made to have more design space, it is easier to optimize the overall design of portable type electronic product.This kind of mode collects the variable quantity of electric capacity in Z-direction, embodies coordinate and the pressure size of pressurized according to the variable quantity of electric capacity.
The mode realizing pressure sensitive in above-mentioned Fig. 1 and Fig. 2 is all based on Z axis change in size and realizes pressure-sensing change, finally realizes pressure touch.Aforesaid way is all based on Z axis change in size and reaches pressure-sensing, limits selection and the collocation of material, affects the freedom of portable type electronic product overall design, and its sensitivity and experience sense are to be optimized.
Utility model content
Pressure sensitive mode for solving existing touching display screen is all based on Z axis change in size and reaches pressure-sensing, limit selection and the collocation of material, affect the freedom of portable type electronic product overall design, its sensitivity and experience sense problem to be optimized, this utility model provides a kind of pressure sensitive touching display screen and portable type electronic product.
This utility model provides a kind of pressure sensitive touching display screen on the one hand, including touch screen and display screen；Described display screen is gluing below described touch screen；
Wherein, described pressure sensitive touching display screen also includes X/Y plane pressure sensitive layer；Described X/Y plane pressure sensitive layer is provided with the electrode block in array distribution, electric capacity is formed between two between electrode block, size variation along with pressure, the electric capacity right opposite formed between electrode block on X/Y plane pressure sensitive layer amasss and distance changes, thus the deformation in plane is converted into capacitance change.
Preferably, described X/Y plane pressure sensitive is placed in described touch screen or in described display screen, or is placed between described touch screen and described display screen, or is placed in below described display screen.
Preferably, a clearance layer is also included；
When described pressure sensitive touching display screen is full sticking touch control display screen, described clearance layer is glue-line；
When described pressure sensitive touching display screen is frame patch touching display screen, described clearance layer is air layer.
Preferably, described touch screen includes panel and touch-control sensing layer from top to bottom；
Described X/Y plane pressure sensitive laminating is combined in the lower surface of described touch-control sensing layer；Described clearance layer is between X/Y plane pressure sensitive layer and display screen；Described display screen is fitted in described clearance layer lower surface.
Preferably, described touch screen includes panel and touch-control sensing layer from top to bottom；
Described clearance layer is positioned at the lower surface of described touch-control sensing layer；Described X/Y plane pressure sensitive layer is positioned at the lower surface of described clearance layer；Described display screen is fitted in described X/Y plane pressure sensitive layer lower surface.
Preferably, described touch screen includes panel and touch-control sensing layer from top to bottom；
Described clearance layer is placed in described touch-control sensing layer lower surface；Described display screen is fitted in described clearance layer lower surface；Described X/Y plane pressure sensitive laminating is combined in described display screen lower surface or is incorporated into inside display backlight module.
Preferably, the thickness of described X/Y plane pressure sensitive layer is 0.025-0.4mm.
Electrode block on described X/Y plane pressure sensitive layer is connected to a FPC by call wire.
Preferably, described X/Y plane pressure sensitive layer includes basic unit and adopts ITO material or nano-silver thread or metal grill or Graphene to make the electrode block formed in basic unit.
This utility model second aspect provides a kind of portable type electronic product, including above-mentioned pressure sensitive touching display screen.
Pressure sensitive touching display screen that this utility model is supplied to and portable type electronic product, the capacitance change that the electrode block right opposite that the pressure that Z-direction applies causes can be amassed by its X/Y plane pressure sensitive layer and distance change is converted on capacitance size variation and X/Y plane, X/Y plane respective regions stress produces deformation, adjacent electrode block and neighboring area electrode block interchannel form electric capacity each other, when pressure is more big, deflection is more big, the capacitance change that adjacent and neighboring area produces is more obvious, thus realizing pressure touch sensing purpose.The scheme adopting this utility model to provide, can effectively promote motility and the degree of freedom of portable type electronic product complete machine and module design, can effective Simplified flowsheet, lifting yield.
Accompanying drawing explanation
Fig. 1 is a kind of touching display screen generalized section with pressure sensitive sensing layer provided in prior art；
Fig. 2 is the touching display screen generalized section of the sensing pattern of integrated pressure in touch screen after the another kind of improvement provided in prior art；
Fig. 3 is a kind of pressure sensitive touching display screen generalized section provided in this utility model detailed description of the invention；
Fig. 4 is the second pressure sensitive touching display screen generalized section provided in this utility model detailed description of the invention；
Fig. 5 is the third pressure sensitive touching display screen generalized section provided in this utility model detailed description of the invention；
Fig. 6 is the X/Y plane pressure sensitive layer schematic top plan view provided in this utility model detailed description of the invention；
Fig. 7 is the pressure sensitive touching display screen fundamental diagram provided in this utility model detailed description of the invention.
Wherein, 1, touch screen；2, display screen；3, center；4, adhesive glue；S1, pressure sensitive sensing layer；S2, pressure sensitive circuit；10, touch-control sensing layer；11, panel；S3, X/Y plane pressure sensitive layer；S4, clearance layer；C, electric capacity；S30, basement membrane；S31, electrode block；S32, call wire；F, finger.
Detailed description of the invention
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Embodiment 1
This example provides a kind of pressure sensitive touching display screen, its overall structure is similar to Fig. 1, Fig. 2, all includes, touch screen 1 and display screen 2；Described display screen 2 is gluing below described touch screen 1；Forming stage portion on 3 weeks edges of center of portable type electronic product, described stage portion is provided with adhesive glue 4；Described touch screen 1 includes being centrally located visible area partly and visible area with periphery along non-visible area partly, and described touch screen 1 non-visible area lower surface is pasted onto in described stage portion；So, pressure sensitive touching display screen can be installed on portable electric appts.
Wherein, as shown in figures 3 to 6, described pressure sensitive touching display screen also includes X/Y plane pressure sensitive layer S3；Described X/Y plane pressure sensitive layer S3 is provided with the electrode block S31 in array distribution, electric capacity C is formed between two between electrode block S31, size variation along with pressure, the electric capacity C right opposite formed between electrode block S31 on X/Y plane pressure sensitive layer S3 amasss and distance changes, thus the deformation in plane is converted into capacitance change.
Specifically, described X/Y plane pressure sensitive layer S3 is placed in described touch screen 1 or in described display screen 2, or is placed between described touch screen 1 and described display screen 2, or is placed in below described display screen 2.
Meanwhile, as shown in Figure 3-Figure 5, a clearance layer S4 is also included；In general, touching display screen needs twice laminating, first once fits between panel and touch-control sensing layer, forms touch screen 1；The laminating of another time is then between display screen 1 and touch screen 2.Full laminating and frame can be divided into paste two kinds by the mode fitted, be called full sticking touch control display screen according to the touching display screen that full laminating type makes, be called frame patch touching display screen according to the touching display screen that frame patch mode makes.
Frame patch is also called a mouthful word glue laminating, the i.e. simple Four built in boundaries with hollow double faced adhesive tape by touch screen 1 with display screen 2, this is also the laminating type that current many display screens adopt, have an advantage in that technique is simple and with low cost, but because there is air layer between display screen 2 and touch screen 1, causing that after light reflects display effect is had a greatly reduced quality becomes the shortcoming that frame patch is maximum.
And namely entirely fit is display screen 2 and touch screen 1 are pasted together completely in the way of seamless by glue or optical cement.Paste compared to frame, it is provided that better display effect.
Wherein, when described pressure sensitive touching display screen is full sticking touch control display screen, described clearance layer S4 is glue-line；When described pressure sensitive touching display screen is frame patch touching display screen, described clearance layer S4 is air layer.
It is known that described touch screen 1 includes panel 11 and touch-control sensing layer 10 from top to bottom；As it is shown on figure 3, as a kind of mode being embodied as, described X/Y plane pressure sensitive layer S3 is fitted in the lower surface of described touch-control sensing layer 10；Described clearance layer S4 is positioned at the lower surface of described X/Y plane pressure sensitive layer S3；Described display screen 2 is fitted in described clearance layer S4 lower surface.This touch-control sensing layer 10 lower surface general need to paste OCA (Chinese full name: transparent optical cement, English full name: opticalclearadhesive) layer, and namely this X/Y plane pressure sensitive layer S3 be attached on the OCA layer on this touch-control sensing layer 10 lower surface.When this pressure sensitive touching display screen is full attaching type, this clearance layer S4 is glue-line, such as OCA layer, when its be frame mounted time, this clearance layer S4 is air layer, is hollow double faced adhesive tape by the Four built in boundaries of touch screen 1 with display screen 2 around this air layer.
As the mode that the second is embodied as, as shown in Figure 4, described clearance layer S4 is fitted in the lower surface of described touch-control sensing layer 10；Described X/Y plane pressure sensitive layer S3 is fitted in the lower surface of described clearance layer S4；Described display screen 2 is fitted in described X/Y plane pressure sensitive layer S3 lower surface.When this pressure sensitive touching display screen is full attaching type, this clearance layer S4 is glue-line (OCA layer).When its be frame mounted time, this clearance layer S4 is air layer, is hollow double faced adhesive tape by the Four built in boundaries of touch screen 1 with display screen 2 around this air layer.
As the third mode being embodied as, as it is shown in figure 5, described clearance layer S4 is placed in described touch-control sensing layer S3 lower surface；Described display screen 2 is fitted in described clearance layer S4 lower surface；Described X/Y plane pressure sensitive layer S3 is fitted in described display screen 2 lower surface or is incorporated into inside display backlight module, concrete, and this X/Y plane pressure sensitive layer S3 passes through gluing pressing at display screen 2 lower surface.When this pressure sensitive touching display screen is full attaching type, this clearance layer is glue-line, such as OCA layer, when its be frame mounted time, this clearance layer is air layer, is the hollow double faced adhesive tape Four built in boundaries by touch screen Yu display screen around this air layer.
Specifically, the thickness of described X/Y plane pressure sensitive layer S3 is 0.025-0.4mm.
Specifically, described X/Y plane pressure sensitive layer S3 includes basic unit and the electrode block S31 adopting ITO material or nano-silver thread or metal grill or Graphene to be formed in basic unit.Basic unit includes basement membrane or substrate, and the electrode block S31 on described X/Y plane pressure sensitive layer S3 is connected to a FPC (flexible print circuit board) by call wire S32.This basement membrane is generally PET (polyethylene terephthalate), and substrate is generally clear glass.
For Fig. 6, the electrode block S31 of this programme to make ITO pattern on basement membrane S30, its technique is described below, basement membrane S30 plates ITO layer, when the ITO layer on basement membrane S30 is after exposure imaging etches, forming a series of block of cells (block of cells can be conducted electricity) to connect through call wire S32 as electrode block S31, each electrode block S31, this call wire S32 is generally silver slurry line.So, as shown in Figure 6, Figure 7, corresponding electric capacity will be formed between two between electrode block S31, each electrode block S31 is in the X/Y plane being in basic unit, when the pressure is exerted, rotating flexural deformation between electrode block S31, right opposite area will increase to each other, distance will reduce, and causes that electric capacity between electrode block S31 changes between two.
This programme, because adopting X/Y plane pressure sensitive algorithm, changes current Z axis change modeling algorithm so that it is can not be subject to complete machine structure Z axis size limitation (as conventional Z axis pressure sensitive need to reserve the gap of 0.25mm), promote overall design degree of freedom.X/Y plane pressure sensitive layer is single layer structure simultaneously, can realize seamless combination with existing touch-control sensing layer, utilizes existing ripe preparation process condition to complete, does not substantially change designing requirement, to complete machine structure without special change, improve versatility.After existing touch screen 1 touches in theory, the change of levels capacitance senses position coordinates, and X/Y plane pressure sensitive layer S3 then realizes the function of pressure sensitive.As it is shown in fig. 7, its work process describes as follows: before human finger f presses on touching display screen, on X/Y plane pressure sensitive layer S3, each electrode block S31 relative position is constant, do not produce capacitance change.After human finger f presses on touching display screen, on X/Y plane pressure sensitive layer S3, electrode block S31 right opposite is long-pending and distance changes, and causes the capacitance change of corresponding pressing region, pressure is more big, deforms more obvious, and right opposite is long-pending more big, distance is more near, and capacitance change is more obvious.
Above-mentioned touch-control sensing layer 10 is usually single or multiple lift ITO (English full name: IndiumTinOxide, Chinese full name: tin indium oxide) film layer structure and is compounded on glass or thin film (being generally PET (polyethylene terephthalate) material to prepare)；Panel 11 and touch-control sensing layer 10 are fitted by the middle glue-line that passes through, it is generally OCA (English full name: OpticalClearAdhesive, Chinese full name: Optical transparent adhesive) or UV glue (ultraviolet cured adhesive) fit, common at present laminating layer adopts OCA Double-face adhesive rubber alloy layer.ITO is a kind of N-type oxide semiconductor.It it is a kind of transparent conductive film generated by special process on even carrier (or claiming matrix, substrate etc.).
In this example, touch screen 1 and display screen 2 adopt the mode separated, touch screen 1 generally comprises GFF (English full name: Glass-Film-Film, Chinese: glass-film-thin film) capacitance plate, GF (English full name: Glass-Film, Chinese: the glass-film) type such as capacitance plate, GG (Glass-Glass) capacitance plate.Such as, generally common be double-deck ito film layer compound on glass panels, i.e. GFF capacitance plate.
Certainly, touch screen 1 is additionally included in the silver slurry line that wherein silk-screen is connected with electrode, pin drawn by this silver slurry line, by this pin and FPC (English full name: FlexiblePrintedCircuit, Chinese full name: flexible print circuit board) electrical connection, also include this touch screen 1 is carried out FPC binding simultaneously, can be electrically connected with the mainboard on portable type electronic product by this FPC.It is conventionally known to one of skill in the art, repeats no more.
The material of panel 11 is generally the material such as glass or PMMA (polymethyl methacrylate)/PC (Merlon), has higher case hardness and certain mechanical strength, for improving the reliability of touch screen 1；In this example, panel is face glass.The Chinese of PMMA polymethylacrylic acid system methyl ester by name, is referred to as acrylic resin with the polymer that acrylicacidandesters Type of Collective is obtained, and corresponding plastics claim polyacrylic plastics, wherein most widely used general with polymethyl ester methyl ester.Polymethyl methacrylate abbreviation code name be PMMA, be commonly called as acrylic or lucite, be up to now synthesis transparent material in quality the most excellent, price is again than kind conveniently.
For GFF capacitance plate, the ito thin film and roll off the production line ito thin film generally with PET film for matrix of reaching the standard grade thereon, at present the most frequently used to PET film material be polyethylene terephthalate, it has wider temperature applicable range and good mechanical and physical performance, can under the high temperature of about 120 DEG C life-time service, and there is good electrical insulating property.
Display screen is public domain, it is generally adopted LCD (Chinese full name: LCDs, English full name: LiquidCrystalDisplay) display screen, OLED display screen (OrganicLightEmittingDisplay, i.e. OLED), this display screen is not improved by this example, therefore, repeat no more.
Embodiment 2
This example provides a kind of portable type electronic product, including the pressure sensitive touching display screen provided in above-described embodiment 1.
The portable type electronic product that this example provides, this pressure sensitive touching display screen is arranged on the center 3 of portable type electronic product.Pressure sensitive touching display screen is only improved by this example, and other structures is not improved, and above-mentioned pressure sensitive touching display screen carries out specific explanations explanation in claim 1, therefore, repeats no more.
Pressure sensitive touching display screen that this utility model is supplied to and portable type electronic product, the capacitance change that the electrode block right opposite that the pressure that Z-direction applies causes can be amassed by its X/Y plane pressure sensitive layer and distance change is converted on capacitance size variation and X/Y plane, X/Y plane respective regions stress produces deformation, adjacent electrode block and neighboring area electrode block interchannel form electric capacity each other, when pressure is more big, deflection is more big, the capacitance change that adjacent and neighboring area produces is more obvious, thus realizing pressure touch sensing purpose.The scheme adopting this utility model to provide, can effectively promote motility and the degree of freedom of portable type electronic product complete machine and module design, can effective Simplified flowsheet, lifting yield.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (10)
1. a pressure sensitive touching display screen, including touch screen and display screen；Described display screen is gluing below described touch screen；
It is characterized in that, described pressure sensitive touching display screen also includes X/Y plane pressure sensitive layer；Described X/Y plane pressure sensitive layer is provided with the electrode block in array distribution, electric capacity is formed between two between electrode block, size variation along with pressure, the electric capacity right opposite formed between electrode block on X/Y plane pressure sensitive layer amasss and distance changes, thus the deformation in plane is converted into capacitance change.
2. pressure sensitive touching display screen according to claim 1, it is characterised in that described X/Y plane pressure sensitive is placed in described touch screen or in described display screen, or is placed between described touch screen and described display screen, or is placed in below described display screen.
3. pressure sensitive touching display screen according to claim 2, it is characterised in that also include a clearance layer；
When described pressure sensitive touching display screen is full sticking touch control display screen, described clearance layer is glue-line；
When described pressure sensitive touching display screen is frame patch touching display screen, described clearance layer is air layer.
4. pressure sensitive touching display screen according to claim 3, it is characterised in that described touch screen includes panel and touch-control sensing layer from top to bottom；
Described X/Y plane pressure sensitive laminating is combined in the lower surface of described touch-control sensing layer；Described clearance layer is fitted in the lower surface of described X/Y plane pressure sensitive layer；Described display screen is fitted in described clearance layer lower surface.
5. pressure sensitive touching display screen according to claim 3, it is characterised in that described touch screen includes panel and touch-control sensing layer from top to bottom；
Described clearance layer is fitted in the lower surface of described touch-control sensing layer；Described X/Y plane pressure sensitive laminating is combined in the lower surface of described clearance layer；Described display screen is fitted in described X/Y plane pressure sensitive layer lower surface.
6. pressure sensitive touching display screen according to claim 3, it is characterised in that described touch screen includes panel and touch-control sensing layer from top to bottom；
Described clearance layer is placed in described touch-control sensing layer lower surface；Described display screen is fitted in described clearance layer lower surface；Described X/Y plane pressure sensitive laminating is combined in described display screen lower surface or is incorporated into inside display backlight module.
7. the pressure sensitive touching display screen according to any one in claim 3-6, it is characterised in that the thickness of described X/Y plane pressure sensitive layer is 0.025-0.4mm.
8. pressure sensitive touching display screen according to claim 3, it is characterised in that the electrode block on described X/Y plane pressure sensitive layer is connected to a FPC by call wire.
9. pressure sensitive touching display screen according to claim 8, it is characterised in that described X/Y plane pressure sensitive layer includes basic unit and adopts ITO pattern or nano-silver thread or metal grill or Graphene to make the electrode block formed in basic unit.
10. a portable type electronic product, it is characterised in that include the pressure sensitive touching display screen described in any one in claim 1-9.
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| CN201521016369.8U CN205353979U (en) | 2015-12-09 | 2015-12-09 | Forced induction touch -control display screen and portable electronic products |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105426008A (en) * | 2015-12-09 | 2016-03-23 | 深圳市骏达光电股份有限公司 | Pressure sensing touch display screen and portable electronic product |
| WO2017107674A1 (en) * | 2015-12-23 | 2017-06-29 | 深圳市汇顶科技股份有限公司 | Capacitive touchscreen capable of implementing pressure detection, and touch device |
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2015
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105426008A (en) * | 2015-12-09 | 2016-03-23 | 深圳市骏达光电股份有限公司 | Pressure sensing touch display screen and portable electronic product |
| CN105426008B (en) * | 2015-12-09 | 2019-02-19 | 深圳市骏达光电股份有限公司 | Pressure sensitive touching display screen and portable electronic product |
| WO2017107674A1 (en) * | 2015-12-23 | 2017-06-29 | 深圳市汇顶科技股份有限公司 | Capacitive touchscreen capable of implementing pressure detection, and touch device |
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Effective date of registration: 20240403 Address after: 221000, 1st Floor, Da Health Industrial Park, Xiyi High tech Industrial Development Zone, Xinyi City, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Junda Optoelectronic Technology Co.,Ltd. Country or region after: China Address before: 518108, 4th to 6th floors, Building 4, Guanghui Electric Appliance Industrial Park, Yingrenshi Community, Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN JUNDA OPTOELECTRONICS Co.,Ltd. Country or region before: China |