CN208954067U - A kind of touch panel, electronic device and mobile phone - Google Patents
A kind of touch panel, electronic device and mobile phone Download PDFInfo
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- CN208954067U CN208954067U CN201821948230.0U CN201821948230U CN208954067U CN 208954067 U CN208954067 U CN 208954067U CN 201821948230 U CN201821948230 U CN 201821948230U CN 208954067 U CN208954067 U CN 208954067U
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- touch
- electrode
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- pressure
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- 239000007772 electrode material Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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Abstract
The utility model provides a kind of touch panel, including pressure touch sensing element and touch-control pressure sensitivity integrated circuit, pressure touch sensing element includes multiple emission electrodes and multiple pressure sensitivity electrodes, the deformation with the pushing deformation of cover sheet of pressure sensitivity electrode, emission electrode and touch-driven electrode same layer insulation gap are uniformly arranged, pressure sensitivity electrode and touch-control sensing electrode same layer insulation gap are uniformly arranged, emission electrode, pressure sensitivity electrode, touch-driven electrode and touch-control sensing electrode are electrically connected with touch-control pressure sensitivity integrated circuit respectively, touch-control pressure sensitivity integrated circuit has both identification plane touch-control and presses the function of touch-control.The utility model also provides a kind of electronic device and a kind of mobile phone, the touch panel, electronic device and mobile phone of the utility model, can coordinate sensitiveer, that contact point is precisely located and corresponding press pressure, realize that the passive type capacitance pen of thin nib replaces active capacitance pen to draw thickness of lines on touch panel.
Description
Technical field
The utility model relates to pressure sensitive technical field of touch control more particularly to a kind of touch panel, electronic device and
Mobile phone.
Background technique
Since mobile phone has become articles for daily use more and more important in for people's lives, it is not solely restricted to communication side
Face, mobile phone are unconsciously playing an increasingly important role, shopping payment, travel navigation, mail treatment, and life is paid
Take, Entertainment etc. can be realized on mobile phone.Therefore, cell-phone function is more and more, and can be more preferable by touching display screen energy
Cell-phone function is realized in ground help.The use of touching display screen operates, and other than finger touch operation can be used, can also use
Stylus carries out touch operation.Stylus includes passive type capacitance pen and active capacitance pen.
Wherein, the written diameter of passive type capacitance pen is thicker, and the written diameter of active capacitance pen is thinner.Passive type capacitor
Pen functions as the finger of people, and when passive type capacitance pen contacts touching display screen, touching display screen has sub-fraction electric current
Passive type capacitance pen is flowed into from touch point, this is equivalent to the change of electrode capacitance at touch point, the control core of touching display screen
Piece can determine the position of touch point by the variation of detecting electrode capacitor.Active capacitance pen can launch driving letter
Number, to change the electric field at touch point, to change the electrode capacitance at touch point, the control chip of touching display screen passes through inspection
The variation for surveying electrode capacitance can determine the position of touch point, in addition, active capacitance pen can also be passed by setting pressure
Sensor detects pen point pressure, provides the written handwriting of different thicknesses.
But with passive type capacitance pen for, lower precision and without pressure sensitivity response be difficult to meet such as paint it is contour
It is required that writing pencil application, and the price of active capacitance pen is sufficiently expensive.Therefore, the prior art be unable to satisfy user for
Using the high-precision of stylus, fast corresponding and low price demand, a kind of touch technology side instead of active capacitance pen is needed
Case.
Utility model content
In view of this, the utility model aim is to provide a kind of touch panel, the touching of active capacitance pen can replace
Control technical solution.
Specifically, the utility model embodiment provides a kind of touch panel, and the touch panel includes pressure touch sensing
Element and touch-control pressure sensitivity integrated circuit, the pressure touch sensing element include multiple emission electrodes and multiple pressure sensitivity electrodes, institute
The deformation with the pushing deformation of cover sheet of pressure sensitivity electrode is stated, the pressure touch sensing element further includes multiple touch-control driving electricity
Pole and multiple touch-control sensing electrodes, the emission electrode and the touch-driven electrode same layer insulation gap are uniformly arranged, described
Pressure sensitivity electrode and the touch-control sensing electrode same layer insulation gap are uniformly arranged, the emission electrode, the pressure sensitivity electrode, described
Touch-driven electrode and the touch-control sensing electrode are electrically connected with the touch-control pressure sensitivity integrated circuit respectively, the touch-control pressure sensitivity
Integrated circuit has both identification plane touch-control and presses the function of touch-control.
Further, the emission electrode and the pressure sensitivity electrode are respectively arranged at the colorized optical filtering base of the touch panel
The upper surface of plate and the lower surface of cover sheet, the first insulating layer are set between the emission electrode and the pressure sensitivity electrode.
Further, first insulating layer uses optical clear glue-line, and the optical clear glue-line is electric by the pressure sensitivity
The pole and emission electrode is insulated attaches to one.
Further, first insulating layer is air layer, and pressure sensitivity electrode periphery frame, which posts, is supported in the protection
Mouth word glue between cover board and the colored optical filtering substrates, the mouth word glue make the pressure sensitivity electrode and the emission electrode it
Between interval have an air layer, the lower surface for being attached at the cover sheet respectively up and down of the mouth word glue and the colored filter
The upper surface of photopolymer substrate.
Further, the touch-driven electrode and the emission electrode are the strip shaped electric poles that horizontal interval is uniformly arranged,
The touch-control sensing electrode and the pressure sensitivity electrode are the strip shaped electric poles that perpendicular separation is uniformly arranged.
Further, the adjacent two pressure sensitivity electrode spacings are less than 2mm, the emission electrode spacing of adjacent two
Less than 2mm, the touch-control sensing electrode spacing of adjacent two is less than 2mm, the touch-driven electrode spacing of adjacent two
Less than 2mm, the adjacent pressure sensitivity electrode and the touch-control sensing electrode are less than 4mm, the adjacent emission electrode with it is described
Touch-driven electrode is less than 4mm.
The utility model embodiment also provides a kind of electronic device, including above-mentioned touch panel.
Further, the electronic device includes passive type capacitance pen.
Further, the written diameter of the passive type capacitance pen is less than 2mm.
The utility model embodiment also provides a kind of mobile phone, including above-mentioned electronic device.
Touch panel, electronic device and mobile phone provided by the utility model, emission electrode and touch-driven electrode same layer
Insulation gap is uniformly arranged, and pressure sensitivity electrode and touch-control sensing electrode same layer insulation gap are uniformly arranged, and the integrated electricity of touch-control pressure sensitivity
Road has both identification plane touch-control and presses the function of touch-control, so as to coordinate sensitiveer, that contact point is precisely located and phase
The press pressure answered realizes that the passive type capacitance pen of thin nib replaces active capacitance pen to draw thickness line on touch panel
Item meets the writing pencil application of the high requests such as drawing.
For the above and other objects, features and advantages of the utility model can be clearer and more comprehensible, preferable reality is cited below particularly
Example is applied, and cooperates institute's accompanying drawings, is described in detail below.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure for the touch panel that the utility model first embodiment provides.
Fig. 2 is the schematic diagram of the section structure for the touch panel that the utility model second embodiment provides.
Fig. 3 is the connection schematic diagram of each electrode for the touch panel that the utility model 3rd embodiment provides.
Fig. 4 is the touch-control identification process figure for the touch panel that the utility model fourth embodiment provides.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy realizing expected purpose and being taken, below in conjunction with
Attached drawing and preferred embodiment, to according to the utility model proposes touch panel, electronic device and mobile phone specific embodiment party
Formula, method, step, structure, feature and effect, detailed description is as follows.
Aforementioned and other technology contents, feature and effect in relation to the utility model, following cooperation with reference to schema compared with
It can clearly be presented in the detailed description of good embodiment.By the explanation of specific embodiment, when can be to the utility model
Reach the technical means and efficacy that expected purpose is taken to be able to more deeply and specifically understand, however institute's accompanying drawings only mention
For reference with purposes of discussion, not it is used to limit the utility model.
First embodiment
Fig. 1 is the schematic diagram of the section structure for the touch panel that the utility model first embodiment provides.As shown in Figure 1, this
The touch panel of embodiment includes pressure touch sensing element, and pressure touch sensing element includes multiple emission electrodes 141 and more
A pressure sensitivity electrode 142.The deformation with the pushing deformation of cover sheet 170 of pressure sensitivity electrode 142.Pressure touch sensing element further includes
Multiple touch-driven electrodes 161 and multiple touch-control sensing electrodes 162.Emission electrode 141 and the insulation of 161 same layer of touch-driven electrode
Interval is uniformly arranged, and pressure sensitivity electrode 142 and 162 same layer insulation gap of touch-control sensing electrode are uniformly arranged.Emission electrode 141, pressure
Sense electrode 142, touch-driven electrode 161 and touch-control sensing electrode 162 are electrically connected with touch-control pressure sensitivity integrated circuit 180 respectively,
Touch-control pressure sensitivity integrated circuit 180 has both identification plane touch-control and presses the function of touch-control.
Wherein, touch panel includes the thin film transistor base plate 110 from bottom to top set gradually, liquid crystal layer 120, colored filter
It is touch-driven electrode 161 and emission electrode 141 that photopolymer substrate 130, same layer insulation gap are uniformly arranged, the first insulating layer 150, same
The touch-control sensing electrode 162 and pressure sensitivity electrode 142 and cover sheet 170 that layer insulation gap is uniformly arranged.
In one embodiment, the first insulating layer 150 can be Optical transparent adhesive layer, and optical clear glue-line will be above and below it
Pressure sensitivity electrode 142 and emission electrode 141 is insulated attaches to one, since optical clear glue-line has certain flexibility,
The intensity of pressure sensitivity touch-control can be transmitted very well.
In one embodiment, polarizing layer can be set below cover sheet 170, second is provided with below polarizing layer absolutely
Edge layer, second insulating layer lower section are 142 place layer of pressure sensitivity electrode.
Specifically, when finger, stylus etc. contact touch panel, touch-driven electrode 161 and touch-control sensing electrode 162
Between power line due to finger, stylus etc. contact action and change, change the size of touch-control sensing signal.Touching
Control driving electrodes 161 and touch-control sensing electrode 162 are connected with touch-control pressure sensitivity integrated circuit 180 respectively, and the integrated electricity of touch-control pressure sensitivity
Road 180 has the function of identifying plane touch-control, according to the touch-control sensing signal that touch-control sensing electrode 162 is sent, touch-control pressure sensitivity collection
The coordinate of contact point can be calculated at circuit 180.Moreover, touch panel includes pressure touch sensing element, pressure touch is passed
Sensing unit includes multiple emission electrodes 141 and multiple pressure sensitivity electrodes 142, and emission electrode 141 is vertical with the trend of pressure sensitivity electrode 142
Intersect.When finger, stylus etc. contact touch panel, with the difference of press pressure, so that phase has occurred in cover sheet 170
The deformation answered, the meeting of pressure sensitivity electrode 142 deformation with the pushing deformation of cover sheet 170, so that pressure sensitivity electrode 142 and emission electrode
The distance between 141 will occur corresponding change, so as to cause the variation of capacitance and power line between the two.Pressure sensitivity electrode
142 and emission electrode 141 be connected respectively with touch-control pressure sensitivity integrated circuit 180, and touch-control pressure sensitivity integrated circuit 180 have identification press
The function of pressing touch-control presses inductive signal according to what pressure sensitivity electrode 142 was sent, is calculated using corresponding pressing classification dynamics detecting
Method can calculate pressing dynamics, so as to be used to draw thickness of lines, more level off to true writing so that writing
Sense.Metal mesh (Metal Mesh), transparent electrode material such as tin indium oxide can be used in emission electrode 141 and pressure sensitivity electrode 142
(ITO) or the materials such as indium zinc oxide (IZO), silver nanowires, graphene.
Wherein, the 161 same layer insulation gap of touch-driven electrode of emission electrode 141 and touch panel is uniformly arranged, pressure sensitivity
The 162 same layer insulation gap of touch-control sensing electrode of electrode 142 and touch panel is uniformly arranged, so that finger, stylus etc. contact
When touch panel, touch panel can be received by touch-control pressure sensitivity integrated circuit 180 and come from pressure sensitivity electrode 142, touch-driven electrode
161 more multi signal, to obtain the more information in touch area, can coordinate sensitiveer, that contact point is precisely located and
Corresponding press pressure, to realize that the passive type capacitance pen of thin nib replaces active capacitance pen to draw on touch panel slightly
Hachure meets the writing pencil application of the high requests such as drawing.
Second embodiment
Fig. 2 is the schematic diagram of the section structure for the touch panel that the utility model second embodiment provides.As shown in Fig. 2, this
Embodiment compared with first embodiment, the difference is that: the first insulating layer 150 be air layer, 142 periphery frame of pressure sensitivity electrode
The mouth word glue 190 being supported between cover sheet 170 and colored optical filtering substrates 130 is posted, mouth word glue 190 makes pressure sensitivity electrode
There are air layer, the lower surface for being attached at cover sheet 170 respectively up and down of mouth word glue 190 in interval between 142 and emission electrode 141
With the upper surface of colored optical filtering substrates 130.
The touch panel that the first insulating layer 150 of one kind is air layer is present embodiments provided, it can be sensitiveer, accurately fixed
The coordinate and corresponding press pressure of position contact point realize that the passive type capacitance pen of thin nib replaces active capacitance pen in touch-control
Thickness of lines is drawn on panel, meets the writing pencil application of the high requests such as drawing.
3rd embodiment
Fig. 3 is the connection schematic diagram of each electrode for the touch panel that the utility model 3rd embodiment provides.Such as Fig. 3 institute
Show, the present embodiment compared with first embodiment, the difference is that: touch-driven electrode 161 (Tx1, Tx2 etc.) and transmitting electricity
Pole 141 (FY1, FY2 etc.) is strip shaped electric poles, touch-control sensing electrode 162 (Rx1, Rx2 etc.) and pressure sensitivity electrode 142 (FX1, FX2
Deng) it is strip shaped electric poles.Emission electrode 141 and pressure sensitivity electrode 142 move towards square crossing.
In one embodiment, touch-driven electrode 161 (Tx1, Tx2 etc.) and emission electrode 141 (FY1, FY2 etc.) are level
The strip shaped electric poles being uniformly arranged are spaced, touch-control sensing electrode 162 (Rx1, Rx2 etc.) and pressure sensitivity electrode 142 (FX1, FX2 etc.) are vertical
Directly it is spaced the strip shaped electric poles being uniformly arranged.
In one embodiment, two adjacent 142 spacing of pressure sensitivity electrode are less than 2mm, between two adjacent emission electrodes 141
Away from 2mm is less than, two adjacent 162 spacing of touch-control sensing electrode are less than 2mm, two adjacent 161 spacing of touch-driven electrode
Less than 2mm, adjacent pressure sensitivity electrode 142 and touch-control sensing electrode 162 are less than 4mm, and adjacent emission electrode 141 and touch-control drive
Electrode 161 is less than 4mm, then touch point of the diameter less than 2mm correspondingly may be implemented and detect, such as the quilt of 1~2mm of written diameter
The touch point of dynamic formula capacitance pen detects.
It present embodiments provides a kind of touch-driven electrode 161 and emission electrode 141 is strip shaped electric poles, touch-control sensing electricity
Pole 162 and pressure sensitivity electrode 142 are the touch panel of strip shaped electric poles, can coordinate sensitiveer, that contact point is precisely located and
Corresponding press pressure realizes that the passive type capacitance pen of thin nib replaces active capacitance pen to draw thickness line on touch panel
Item meets the writing pencil application of the high requests such as drawing.
Fourth embodiment
Fig. 4 is the touch-control identification process figure for the touch panel that the utility model fourth embodiment provides.As shown, this reality
The touch panel of example is applied, wherein touch-control identification process includes:
According to the signal difference of touch-control sensing signal, the quantity and touch type of touch point are judged；
When judging touch type is finger touch, pressure is judged whether there is according to inductive signal is pressed.If judging no pressure
Power carries out the identification of the common touch-control of finger；If judgement has pressure, the identification of the static pressure touch-control of finger is carried out.
When judging touch type is passive type capacitance pen touch-control, pressure is judged whether there is according to inductive signal is pressed.If
Judge no pressure, carries out the identification of the common touch-control of passive type capacitance pen；If judgement has pressure, according to touch-control sensing signal and touching
Pressure sensitivity induction signal respectively obtains location information and pressing dynamics information, and carry out the dynamic pressure touch-control of passive type capacitance pen
Identification, so as to draw the different lines of thickness.
Wherein, if it is 400-800 that the step of judging touch type, which includes: signal difference, determine that touch type is finger touching
Control；If signal difference is 20-60, determine that touch type is passive style of writing control.
Touch panel provided in this embodiment, emission electrode 141 and 161 same layer insulation gap of touch-driven electrode are uniformly set
It sets, pressure sensitivity electrode 142 and 162 same layer insulation gap of touch-control sensing electrode are uniformly arranged, and touch-control pressure sensitivity integrated circuit 180 has both
Identify plane touch-control and press the function of touch-control, so as to coordinate sensitiveer, that contact point is precisely located and accordingly by
Pressure pressure is realized that the passive type capacitance pen of thin nib replaces active capacitance pen to draw thickness of lines on touch panel, is met
The writing pencil application of the high requests such as drawing.
5th embodiment
The present embodiment provides a kind of electronic devices comprising the touch panel of an above-mentioned embodiment.
In one embodiment, electronic device further includes matched passive type capacitance pen.
In one embodiment, the written diameter of passive type capacitance pen is less than 2mm.
Electronic device provided by the embodiment, emission electrode 141 and 161 same layer insulation gap of touch-driven electrode are uniformly set
It sets, pressure sensitivity electrode 142 and 162 same layer insulation gap of touch-control sensing electrode are uniformly arranged, and touch-control pressure sensitivity integrated circuit 180 has both
Identify plane touch-control and press the function of touch-control, so as to coordinate sensitiveer, that contact point is precisely located and accordingly by
Pressure pressure is realized that the passive type capacitance pen of thin nib replaces active capacitance pen to draw thickness of lines on touch panel, is met
The writing pencil application of the high requests such as drawing.
Sixth embodiment
The present embodiment provides a kind of mobile phones comprising the electronic device of an above-mentioned embodiment.
Mobile phone provided by the embodiment, emission electrode 141 and 161 same layer insulation gap of touch-driven electrode are uniformly arranged, pressure
Sense electrode 142 and 162 same layer insulation gap of touch-control sensing electrode are uniformly arranged, and touch-control pressure sensitivity integrated circuit 180 has both identification
The function of plane touch-control and pressing touch-control, so as to coordinate sensitiveer, that contact point is precisely located and corresponding pressing pressure
Power is realized that the passive type capacitance pen of thin nib replaces active capacitance pen to draw thickness of lines on touch panel, is met such as
The writing pencil application of the high requests such as drawing.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not limited to utility model although the utility model has been disclosed with preferred embodiment as above, it is any to be familiar with
Professional and technical personnel is not departing from utility model technical proposal scope, when the technology contents work using the disclosure above
A little equivalent embodiment changed or be modified to equivalent variations out, but it is all without departing from utility model technical solution content, foundation
The technical spirit of utility model any simple modification, equivalent change and modification to the above embodiments, still fall within this reality
In the range of new technique scheme.
Claims (10)
1. a kind of touch panel, including pressure touch sensing element and touch-control pressure sensitivity integrated circuit (180), the pressure touch is passed
Sensing unit includes multiple emission electrodes (141) and multiple pressure sensitivity electrodes (142), and the pressure sensitivity electrode (142) is with cover sheet
(170) pushing deformation and deformation, which is characterized in that the pressure touch sensing element further includes multiple touch-driven electrodes
(161) it insulate with multiple touch-control sensing electrodes (162), the emission electrode (141) and the touch-driven electrode (161) same layer
Interval is uniformly arranged, and the pressure sensitivity electrode (142) and the touch-control sensing electrode (162) same layer insulation gap are uniformly arranged, institute
State emission electrode (141), the pressure sensitivity electrode (142), the touch-driven electrode (161) and the touch-control sensing electrode
(162) it is electrically connected respectively with the touch-control pressure sensitivity integrated circuit (180), the touch-control pressure sensitivity integrated circuit (180) has both knowledge
The function of other plane touch-control and pressing touch-control.
2. touch panel according to claim 1, which is characterized in that the emission electrode (141) and the pressure sensitivity electrode
(142) upper surface of the colored optical filtering substrates (130) of the touch panel and the following table of cover sheet (170) are respectively arranged at
Face, the first insulating layer (150) are set between the emission electrode (141) and the pressure sensitivity electrode (142).
3. touch panel according to claim 2, which is characterized in that first insulating layer (150) uses optical clear
Glue-line, the optical clear glue-line is by the pressure sensitivity electrode (142) and the emission electrode (141) is insulated attaches to one.
4. touch panel according to claim 2, which is characterized in that first insulating layer (150) is air layer, described
Pressure sensitivity electrode (142) periphery frame posts the mouth being supported between the cover sheet (170) and the colored optical filtering substrates (130)
Word glue (190), the mouth word glue (190) to be spaced between the pressure sensitivity electrode (142) and the emission electrode (141)
State air layer, the lower surface for being attached at the cover sheet (170) respectively up and down of the mouth word glue (190) and the colored filter
The upper surface of photopolymer substrate (130).
5. touch panel according to claim 1, which is characterized in that the touch-driven electrode (161) and the transmitting
Electrode (141) is the strip shaped electric poles that horizontal interval is uniformly arranged, the touch-control sensing electrode (162) and the pressure sensitivity electrode
(142) strip shaped electric poles being uniformly arranged for perpendicular separation.
6. touch panel according to claim 5, which is characterized in that pressure sensitivity electrode (142) spacing of adjacent two
Less than 2mm, emission electrode (141) spacing of adjacent two is less than 2mm, the touch-control sensing electrode of adjacent two
(162) spacing is less than 2mm, and touch-driven electrode (161) spacing of adjacent two is less than 2mm, adjacent pressure sensitivity electricity
Pole (142) and the touch-control sensing electrode (162) are less than 4mm, the adjacent emission electrode (141) and touch-control driving electricity
Pole (161) is less than 4mm.
7. a kind of electronic device, which is characterized in that including touch panel as claimed in any one of claims 1 to 6.
8. electronic device according to claim 7, which is characterized in that including passive type capacitance pen.
9. electronic device according to claim 8, which is characterized in that the written diameter of the passive type capacitance pen is less than
2mm。
10. a kind of mobile phone, which is characterized in that including such as described in any item electronic devices of claim 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821948230.0U CN208954067U (en) | 2018-11-23 | 2018-11-23 | A kind of touch panel, electronic device and mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821948230.0U CN208954067U (en) | 2018-11-23 | 2018-11-23 | A kind of touch panel, electronic device and mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954067U true CN208954067U (en) | 2019-06-07 |
Family
ID=66745120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821948230.0U Active CN208954067U (en) | 2018-11-23 | 2018-11-23 | A kind of touch panel, electronic device and mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208954067U (en) |
-
2018
- 2018-11-23 CN CN201821948230.0U patent/CN208954067U/en active Active
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |