CN206515802U - Pressure sensitivity touch control display and electronic equipment - Google Patents
Pressure sensitivity touch control display and electronic equipment Download PDFInfo
- Publication number
- CN206515802U CN206515802U CN201621471823.3U CN201621471823U CN206515802U CN 206515802 U CN206515802 U CN 206515802U CN 201621471823 U CN201621471823 U CN 201621471823U CN 206515802 U CN206515802 U CN 206515802U
- Authority
- CN
- China
- Prior art keywords
- touch control
- display module
- layer
- electronic equipment
- control display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
The utility model embodiment is related to computer entry device technical field, discloses a kind of pressure sensitivity touch control display and electronic equipment.In the utility model embodiment, pressure sensitivity touch control display includes：Framework, display module and capacitive pressure sensed layer；Capacitive pressure sensed layer is embedded in display module；Framework includes metal bottom wall and the side wall being connected with metal bottom wall；Display module is fixed on the inner surface of side wall, and with insulating buffer layer between metal bottom wall.The invention also discloses a kind of electronic equipment.The utility model by capacitive pressure sensed layer by being embedded in display module, so that final assembly error is reduced, and structural stability is good, improves complete machine stability and reliability, and suitable for batch production.
Description
Technical field
The utility model embodiment is related to computer entry device technical field, more particularly to pressure sensitivity touch control display and electricity
Sub- equipment.
Background technology
It is in the electronic equipments such as smart mobile phone, e-book, tablet personal computer at present to use touching display screen more, it is relatively common
It is capacitance type touch control screen, capacitance type touch control screen is that pressure sensitive technology is applied into touching display screen, so that consumer electronics
Product provides new interactive mode.
In the prior art, using capacitance type touch control screen electronic equipment display module structure composition as shown in Figure 1, Figure 2
And shown in Fig. 3, display module is generally comprised：Glass cover-plate 101, touch screen 102, display screen 103, pressure sensitive layer 104 and
Backlight layer 107, further, since packaging technology is different, typically also has air gap layer 106, wherein, pressure sensitive layer 104
General stack design is on complete front shell center 105.
However, during the utility model is realized, inventor has found in the prior art, display screen 103 and feeling of stress
Two independent parts that layer 104 is all separate design are answered, so as to cause following technical problem：
(1) structural strength and structural stability of electronic equipment display screen module are relatively low, fall when electronic equipment or
When person is hit, the structure between display screen 103 and pressure sensitive layer 104 easily changes, so as to influence touch screen
Normally use；Moreover, the separate design of display screen 103 and pressure sensitive layer 104 can also increase final assembly to a certain extent
Error；
(2) pressure sensitive layer 104 is stacked on center 105 in the prior art, improves the design requirement to center 105,
Center 105 needs as smooth as possible and avoids borehole, so as to limit the structure design of complete machine, and is difficult to produce in batches.
Utility model content
The purpose of the utility model embodiment is to provide a kind of pressure sensitivity touch control display and electronic equipment, by by electricity
Hold pressure-sensing layer and be embedded in display module, so that final assembly error is reduced, and structural stability is good, improves complete machine steady
Qualitative and reliability, suitable for batch production.
In order to solve the above technical problems, embodiment of the present utility model provides a kind of pressure sensitivity touch control display, including：
Framework, display module and capacitive pressure sensed layer；Capacitive pressure sensed layer is embedded in display module；Framework includes metal bottom
Wall and the side wall being connected with metal bottom wall；Display module is fixed on the inner surface of side wall, and with insulation between metal bottom wall
Cushion.
It is of the present utility model embodiment further provides a kind of electronic equipment, including：Housing, transparent cover plate and first are real
Apply the pressure sensitivity touch control display in mode；Pressure sensitivity touch control display is fixed in housing；Transparent cover plate is fixed on housing, and with
Display module in pressure sensitivity touch control display is brought into close contact.
In terms of existing technologies, capacitive pressure inductive layer is embedded in display module for the utility model embodiment,
The final assembly error produced when capacitive pressure inductive layer is assembled apart with display module is reduced to a certain extent, and structure is steady
It is qualitative good, complete machine stability and reliability are further increased, suitable for batch production, simultaneously as pressure sensitive layer is without straight
Connect and be arranged on metal bottom wall, avoid to a certain extent and the limitation produced is designed to complete machine structure；Due to display module and gold
Belonging between bottom wall has insulating buffer layer, to provide pre-determined distance to form detection electric capacity so that touch control display can be
Pressure detecting function is integrated with the basis of existing touch controllable function；And in the present embodiment, capacitive pressure inductive layer and display module
A process chip can be shared, without increasing additional economic cost.
In addition, display module includes liquid crystal display LCD cell and back light unit；It is mono- that capacitive pressure sensed layer is arranged on LCD
Between chromatic filter layer and lower glass substrate in member, i.e. display module is LCD display modules, present embodiments provides electric capacity
Pressure-sensing layer is embedded in a kind of implementation of LCD display modules.
In addition, LCD cell also includes glue frame, and the inner surface of glue frame extends boss；The fringe region of LCD cell passes through
Shading glue film is fixed on the upper surface of boss；Back light unit has intermediate backlight portion and the edge extended out by intermediate backlight portion
Fixed part, edge fixed part is fixed on the lower surface of boss, and intermediate backlight portion corresponds to the intermediate region of LCD cell.This reality
Apply in example, boss is directly extended out by the inner surface of glue frame, and generation type is very simple；LCD cell and back light unit are successively
It is stacked, and is fixed on upper surface and the lower surface of boss, fixed form letter by fringe region and edge fixed part respectively
Singly, conveniently.
In addition, display module is active matrix organic light-emitting diode (AMOLED) panel AMOLED；Capacitive pressure sensed layer is arranged on
The lower surface of lower glass substrate in AMOLED, i.e. display module is AMOLED display modules, present embodiments provides electric capacity pressure
Power inductive layer is embedded in a kind of specific implementation of AMOLED display modules.
In addition, insulating buffer layer is air layer, in order to formed between capacitive pressure inductive layer and metal bottom wall it is default away from
From directly using air layer as insulating buffer layer, stability is more preferable, and cost is relatively low.
In addition, side wall is the metal sidewall extended out by metal bottom wall；Or, side wall is and metal bottom wall injection molding
Plastic cement side wall；Two kinds of implementations of side wall are present embodiments provided, both can be metal material or insulated plastic
Material, and generation type is very simple.
In addition, transparent cover plate is brought into close contact by optical clear glue-line and display module, in the present embodiment, by using light
Learn substratum transparent can make between display module and transparent cover plate it is fixed more firm；Right not limited to this, in other embodiment party
, can also be without using optical clear glue-line, directly if the preparation technology of transparent cover plate and display module is accurate enough in formula
Transparent cover plate is pressed together with display module.
In addition, electronic equipment is mobile phone, housing is fore shell.
In addition, fore shell includes injection steel plate；Electronic equipment also includes conductive layer, and conductive layer is arranged on metal bottom wall and note
Between plastic-steel board.Metal bottom wall realizes that fore shell is grounded by conductive layer conducting injection steel plate.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
The element with same reference numbers label is expressed as similar element in the bright restriction not constituted to embodiment, accompanying drawing, removes
Composition is not limited the non-figure having in special statement, accompanying drawing.
Fig. 1 is the diagrammatic cross-section of the capacitance type touch control screen display module according to prior art；
Fig. 2 is the diagrammatic cross-section of the capacitance type touch control screen display module according to prior art；
Fig. 3 is the diagrammatic cross-section of the capacitance type touch control screen display module according to prior art；
Fig. 4 is the diagrammatic cross-section of the pressure sensitivity touch control display according to the utility model first embodiment；
Fig. 5 is the diagrammatic cross-section of the pressure sensitivity touch control display according to the utility model second embodiment；
Fig. 6 is the diagrammatic cross-section of the pressure sensitivity touch control display according to the embodiment of the utility model the 3rd；
Fig. 7 is the diagrammatic cross-section of the electronic equipment according to the embodiment of the utility model the 4th.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
Each embodiment of utility model is explained in detail.However, it will be understood by those skilled in the art that in this practicality
In new each embodiment, in order that reader more fully understands the application and proposes many ins and outs.But, even if not having
These ins and outs and many variations based on following embodiment and modification, can also realize that the application is claimed
Technical scheme.
First embodiment of the present utility model is related to a kind of pressure sensitivity touch control display, as shown in figure 4, pressure sensitivity touch-control is shown
Device includes：Framework 1, display module 2 and capacitive pressure sensed layer 3.
Specifically, capacitive pressure sensed layer 3 is embedded in display module 2.In the present embodiment, the touch-control work(of electronic equipment
It can be realized with pressure detecting function by capacitive pressure sensed layer 3；Moreover, this embedded structure design can't
The extra financial cost of increase, in practice, capacitive pressure sensed layer 3 can share association's process chip with display module 2.
Framework 1 includes metal bottom wall 11 and the side wall 12 being connected with metal bottom wall 11.Display module 2 is fixed on side wall 12
Inner surface, and with insulating buffer layer 4 between metal bottom wall 11；Because pressure sensitive layer 3 need not be set directly at metal bottom
On wall 11, therefore avoid the limitation that generation is designed complete machine structure to a certain extent.
Preferably, insulating buffer layer 4 is air layer, in order to be formed between capacitive pressure inductive layer 3 and metal bottom wall 11
Pre-determined distance, to form detection electric capacity, further calculates pressure value, pre-determined distance at least should be the height of insulating buffer layer 4
Degree, the highly preferred of insulating buffer layer 4 is 0.1mm between 0.2mm in the present embodiment, is so not limited thereto scope；Pass through
Insulating buffer layer 4 is set, and producing deformation when can also be 2 depressed power of display module leaves certain space, prevents display
Mutually extruded between module 2 and metal bottom wall 11 and cause the display problem of display module 2；Moreover, directly using air layer as
Insulating buffer layer 4, stability is more preferable, and cost is relatively low, right not limited to this, and in other embodiment, insulating buffer layer 4 may be used also
To be conducting foam, or other flexible isolation materials.
Preferably, side wall 12 is the metal sidewall extended out by metal bottom wall 11；Or, side wall 12 is and metal bottom wall
The plastic cement side wall of 11 injection moldings.Two kinds of implementations of side wall are present embodiments provided, both can be conducting metal material,
Can be insulated plastic material, and generation type is very simple.
How pressure sensitivity touch controllable function is realized if being illustrated to the electronic equipment in the present embodiment below.
The touch controllable function of electronic equipment is realized based on mutual capacitance principle：Finger touches touch control display surface (not
Apply pressure) when, coupled capacitor is formed between finger and capacitive pressure sensed layer 3, finger can take away capacitive pressure sensed layer 3
Partial charge, causes the electric capacity of capacitive pressure sensed layer 3 to change, so as to be identified the planar two dimensional coordinate of touch location
(x, y), so as to realize touch controllable function；
The pressure-sensing function of electronic equipment is realized based on self-capacitance principle：Capacitive pressure sensed layer 3 is produced after being powered
Initial potential；When user does not press touch control display surface, insulating buffer layer 4 does not produce deformation, capacitive pressure sensed layer 3 and gold
It is D to belong to the distance between bottom wall 110, now the z-axis coordinate value perpendicular to electronic equipment plane is 0, and now capacitive pressure is sensed
Initial capacitance between layer 3 and metal bottom wall 11 is C0,
C0=ε S/D0(ε is constant, and the medium between two pole plates is related, and S is polar plate area)；
When finger presses touch control display surface with certain pressure, insulating buffer layer 4 produces deformation, capacitive pressure sensing
Layer 3 diminishes with the distance between metal bottom wall 11, is changed into D1, produce detection electric capacity C1,
C1=ε S/D1(ε is constant, and the medium between two pole plates is related, and S is polar plate area)；
According to C0With C1Between difference, pressure value F can be calculated, wherein, k is constant：
F=(C1-C0)/k；
Z directions coordinate can be from which further followed that according to pressure value, therefore, exportable touch control display surface pressed position
Three-dimensional coordinate (x1, y1, z), wherein, x1=x, y1=y, now electronic equipment is then according to different pressure value execution different pressures
The corresponding application program of value.
Capacitive pressure inductive layer is embedded in and shown relative to prior art by the pressure sensitivity touch control display that present embodiment is provided
In module, the final assembly error produced when capacitive pressure inductive layer is assembled apart with display module is reduced to a certain extent,
And structural stability is good, suitable for batch production, due to having insulating buffer layer between display module and metal bottom wall, to form inspection
Survey electric capacity and provide pre-determined distance, so as to be integrated with pressure detecting function on the basis of existing touch controllable function.
The utility model second embodiment is related to a kind of pressure sensitivity touch control display, and present embodiment is to the first embodiment party
The refinement of formula, main refinement part is：As shown in figure 5, in the present embodiment, the type of display module 2 is LCD display modules,
A kind of specific implementation in LCD display modules is embedded in there is provided capacitive pressure sensed layer 3.
Specifically：Display module 2 includes liquid crystal display LCD cell and back light unit 26；Liquid crystal display LCD cell is actual
It is upper to include upper polaroid 25, top glass substrate 24, chromatic filter layer 21, lower glass substrate 22 and down polaroid 23；This implementation
In example, capacitive pressure sensed layer 3 is arranged between the chromatic filter layer 21 in LCD cell and lower glass substrate 22, it is possible thereby to
Find out, capacitive pressure sensed layer 3 is embedded in display module 2；Right not limited to this, in other embodiment, electric capacity pressure
Power sensed layer 3 can also be arranged on the upper surface of top glass substrate 24 (i.e. between top glass substrate 24 and upper polaroid 25).
In the present embodiment, LCD cell also includes glue frame 5, and the inner surface of glue frame 5 extends boss 51, LCD cell and the back of the body
Light unit is individually fixed in upper surface and the lower surface of boss 51.Specifically：Glue frame 5 is arranged on the inner surface of side wall 12；Fig. 5
The specific implementation that glue frame 5 is L-shaped is shown, right not limited to this can be carried out according to the design requirement of distinct electronic apparatuses
Adjustment, the present embodiment is using the number of glue frame 5 as two illustrations：The fringe region of LCD cell is fixed on by shading glue film 6
The upper surface of boss 51, shading glue film 6 had both played a part of fixed LCD cell, also with sealing function, can effectively prevent the back of the body
The light that light unit 26 is sent is passed through from gap；Actual, LCD cell is fixed on the upper of boss 51 by down polaroid 23
Surface.
Back light unit 26 has intermediate backlight portion 261 and the edge fixed part 262 extended out by intermediate backlight portion 261,
Edge fixed part 262 is fixed on the lower surface of boss 51, and intermediate backlight portion 261 corresponds to the intermediate region of LCD cell.
There is provided in capacitive pressure sensed layer compared with first embodiment for the pressure sensitivity touch control display that the present embodiment is provided
It is embedded in a kind of specific implementation in LCD display modules.
3rd embodiment of the present utility model is related to a kind of pressure sensitivity touch control display.Present embodiment is implemented to first
The refinement of mode, main refinement part is：As shown in fig. 6, in the present embodiment, the type of display module 2 is AMOLED
Display module is embedded in the specific implementation in AMOLED display modules there is provided capacitive pressure sensed layer 3.
In the present embodiment, display module 2 is active matrix organic light-emitting diode (AMOLED) panel AMOLED.AMOLED display modules
Actually include top glass substrate 27, TFT electrode layers 28 and lower glass substrate 29, wherein, the arrangement of TFT electrode layers 28 is produced on
The upper surface of lower glass substrate 29.In the present embodiment, capacitive pressure sensed layer is arranged on the lower glass substrate 29 in AMOLED
Lower surface.
There is provided in capacitive pressure sensed layer compared with first embodiment for the pressure sensitivity touch control display that the present embodiment is provided
It is embedded in a kind of specific implementation in AMOLED display modules.
4th embodiment of the present utility model is related to a kind of electronic equipment, as shown in fig. 7, electronic equipment includes：Housing
7th, the pressure sensitivity touch control display in any embodiment of transparent cover plate the 8 and first to the 3rd.
Being illustrated in figure 7 includes the electronic equipment of pressure sensitivity touch control display in the utility model second embodiment；So not
It is limited to this, the pressure sensitivity that the electronic equipment in the present embodiment can be included in any embodiment of the utility model first to the 3rd is touched
Control display.
Electronic equipment is by taking mobile phone as an example in the present embodiment, and housing 7 is the fore shell of mobile phone.Fore shell actually includes injection steel
Plate；Electronic equipment also includes conductive layer 10, and conductive layer 10 is arranged between metal bottom wall 11 and injection steel plate, metal bottom wall 11
It is grounded by conductive layer 10 with housing 7；Conductive layer 10 also has certain supporting role to metal bottom wall 11, it is advantageously ensured that knot
Structure stability.
Specifically, pressure sensitivity touch control display is fixed in housing 7；Transparent cover plate 8 is fixed on housing 7, and and pressure sensitivity
Display module 2 in touch control display is brought into close contact, i.e., can not have the air gap between transparent cover plate 8 and display module 2, prevent
The physical deformation that pressing force is produced can not be conducted effectively to next layer, and influence the result of calculation of detection electric capacity.
Preferably, transparent cover plate 8 can be the insulation transparent material such as clear glass or PMMA (polymethyl methacrylate)
Matter, in practice can also on transparent cover plate 8 print color ink, certain protective effect can be played to transparent cover plate 8,
Right the present embodiment does not do any limitation to the material of transparent cover plate 8.
Compared with prior art, capacitive pressure inductive layer is embedded in display module for the electronic equipment that the present embodiment is provided,
The final assembly error produced when capacitive pressure inductive layer is assembled apart with display module is reduced to a certain extent, and structure is steady
It is qualitative good, complete machine stability and reliability are further increased, suitable for batch production, meanwhile, pressure sensitive layer is without direct
It is arranged on metal bottom wall, avoids to a certain extent and the limitation produced is designed to complete machine structure；Due to display module and metal
There is insulating buffer layer between bottom wall, pre-determined distance is provided to form detection electric capacity, it is integrated on the basis of existing touch controllable function
Pressure detecting function；And in the present embodiment, capacitive pressure inductive layer can share a process chip, nothing with display module
Additional economic cost need to be increased.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific implementation of the present utility model
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (10)
1. a kind of pressure sensitivity touch control display, it is characterised in that including：Framework, display module and capacitive pressure sensed layer；
The capacitive pressure sensed layer is embedded in the display module；
The framework includes metal bottom wall and the side wall being connected with the metal bottom wall；
The display module is fixed on the inner surface of the side wall, and with insulating buffer layer between the metal bottom wall.
2. pressure sensitivity touch control display according to claim 1, it is characterised in that the display module includes liquid crystal display
LCD cell and back light unit；
The capacitive pressure sensed layer is arranged between the chromatic filter layer in the LCD cell and lower glass substrate.
3. pressure sensitivity touch control display according to claim 2, it is characterised in that the LCD cell also includes glue frame, and institute
The inner surface for stating glue frame extends boss；
The fringe region of the LCD cell is fixed on the upper surface of the boss by shading glue film；
The back light unit has intermediate backlight portion and the edge fixed part extended out by the intermediate backlight portion, the edge
Fixed part is fixed on the lower surface of the boss, and the intermediate backlight portion corresponds to the intermediate region of the LCD cell.
4. the pressure sensitivity touch control display according to claim 1, it is characterised in that the display module has for active matrix
Machine light emitting diode (AMOLED) panel AMOLED；
The capacitive pressure sensed layer is arranged on the lower surface of the lower glass substrate in the AMOLED.
5. the pressure sensitivity touch control display according to claim 1, it is characterised in that the insulating buffer layer is air layer.
6. the pressure sensitivity touch control display according to claim 1, it is characterised in that the side wall is by the metal bottom wall
The metal sidewall extended out；
Or, the side wall is the plastic cement side wall with the metal bottom wall injection molding.
7. a kind of electronic equipment, it is characterised in that including：Any one of housing, transparent cover plate and claim 1 to 6
Pressure sensitivity touch control display；
The pressure sensitivity touch control display is fixed in the housing；
The transparent cover plate is fixed on the housing, and is closely pasted with the display module in the pressure sensitivity touch control display
Close.
8. electronic equipment according to claim 7, it is characterised in that the transparent cover plate passes through optical clear glue-line and institute
Display module is stated to be brought into close contact.
9. electronic equipment according to claim 7, it is characterised in that the electronic equipment is mobile phone, before the housing is
Shell.
10. electronic equipment according to claim 9, it is characterised in that the fore shell includes injection steel plate；
The electronic equipment also include conductive layer, and the conductive layer be arranged on the metal bottom wall with it is described injection steel plate it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621471823.3U CN206515802U (en) | 2016-12-29 | 2016-12-29 | Pressure sensitivity touch control display and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621471823.3U CN206515802U (en) | 2016-12-29 | 2016-12-29 | Pressure sensitivity touch control display and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206515802U true CN206515802U (en) | 2017-09-22 |
Family
ID=59864005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621471823.3U Active CN206515802U (en) | 2016-12-29 | 2016-12-29 | Pressure sensitivity touch control display and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206515802U (en) |
-
2016
- 2016-12-29 CN CN201621471823.3U patent/CN206515802U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206848977U (en) | A kind of electronic equipment and the capacitive force transducer for electronic equipment | |
| US10444891B2 (en) | Touch panel and display device including the same | |
| US10025411B2 (en) | Touch screen and pressure touch detection method thereof | |
| CN103823592B (en) | Display device with mechanical sensing function | |
| CN204926052U (en) | Touch display apparatus | |
| US10234977B2 (en) | Pressure sensing touch device | |
| WO2017156804A1 (en) | Touch liquid crystal display device and electronic apparatus | |
| TW201738715A (en) | Pressure sensing touch display device | |
| US10452219B2 (en) | Touch sensor | |
| US20150324033A1 (en) | Touch sensing device, display device including the same, and method of sensing touch | |
| CN105808029B (en) | A kind of display base plate, touch screen and display device | |
| CN107003746A (en) | Input equipment, sensor, keyboard and electronic equipment | |
| EP3226112B1 (en) | Touch display device | |
| TWI628533B (en) | Electronic device | |
| CN106855756A (en) | Functional glass cover lid | |
| CN105975128A (en) | External-mounting touch display device and electronic equipment | |
| CN107544627A (en) | Portable electronic devices | |
| CN106775104A (en) | Pressure sensitivity touch control display and electronic equipment | |
| CN106249946B (en) | Condenser type pressure sensitivity display device | |
| CN102236446A (en) | Slim touch device | |
| CN101587251A (en) | Display screen structure | |
| CN106648206B (en) | A kind of display panel and display device | |
| US20180188580A1 (en) | Touch display screen and electronic apparatus using the same | |
| CN206515802U (en) | Pressure sensitivity touch control display and electronic equipment | |
| KR20120072940A (en) | Capacitive touch screen panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 1, 399 Keyuan Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201203 Patentee after: Huaqin Technology Co.,Ltd. Address before: Building 1, No. 399 Keyuan Road, Pudong New Area, Shanghai, 201203 Patentee before: Huaqin Technology Co.,Ltd. Address after: Building 1, No. 399 Keyuan Road, Pudong New Area, Shanghai, 201203 Patentee after: Huaqin Technology Co.,Ltd. Address before: Building 1, No. 399 Keyuan Road, Zhangjiang hi tech park, Pudong New Area, Shanghai, 201203 Patentee before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |