CN105511659B - Touch device and touch control display apparatus - Google Patents
Touch device and touch control display apparatus Download PDFInfo
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- CN105511659B CN105511659B CN201410551004.9A CN201410551004A CN105511659B CN 105511659 B CN105511659 B CN 105511659B CN 201410551004 A CN201410551004 A CN 201410551004A CN 105511659 B CN105511659 B CN 105511659B
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Abstract
The present invention discloses a kind of touch device and touch control display apparatus comprising touch panel, wiring board and the first signal transmit circuit.Wiring board is arranged in the first side of touch panel and there is at least one first chip and a plurality of conducting wire, wherein conducting wire to be connect with the first chip.First signal transmits circuit and is connect with conducting wire by conductive material.The present invention separately provides a kind of touch control display apparatus.
Description
Technical field
The present invention relates to a kind of touch device and touch control display apparatus.
Background technology
In recent years, with the fast development of every application such as signalling technique, radio mobile communication and signal household electrical appliances, in order to reach
Lightly change to carrying convenience, volume and purpose user-friendly for operation, many Signal Products replace traditional key with touch panel
Disk or mouse are as input unit.Common touch device such as smartphone, tablet computer etc..
In the prior art, the touch panel of touch device usually passes through flexible circuit with wiring board (such as printed circuit board)
Plate (Flexible Printed Circuit, FPC) is connected, and to control the chip of touch panel be generally arranged at it is soft
On circuit board.In order to reduce the overall volume of touch device, flexible circuit board can be generally bent, by wiring board and display panel
It is stacked.
However, because being provided with chip and the low element of other flexibilities on flexible circuit board, the bending of flexible circuit board is empty
Between and bending degree be easy limited by component placement.In addition, increase when the number of elements that be arranged on flexible circuit board or
When the foot position of chip increases, the conducting wire on flexible circuit board also needs to increase therewith.In the case where the layout area of flexible circuit board is limited,
Number of elements increases or the foot position of chip increases the difficulty and manufacture craft cost for being easy to increase on component placement.In addition, working as
These element mechanical strengths are low or thinner thickness, or when these elements are fixed on by tin ball on flexible circuit board, bending
Flexible circuit board be easy to cause element fragmentation or the cracking of tin ball, and reduces the reliability of system entirety.Therefore how to be promoted
The bending nargin of flexible circuit board and improve caused by due to bend flexible circuit board the problem of reliability, actually currently researches and develops
Personnel one of want to solve the problems, such as.
Invention content
The purpose of the present invention is to provide a kind of touch devices, by the way that the low element of chip and other flexibilities to be arranged
In the circuit board, to promote the bending nargin of flexible circuit board and improve because bend flexible circuit board due to caused by reliability
Problem.
Another object of the present invention is to provide a kind of touch control display apparatus, by by the low member of chip and other flexibilities
Part is arranged in the circuit board, letter caused by promote the bending nargin of flexible circuit board and improve due to bending flexible circuit board
The problem of relying property.
In order to achieve the above object, a kind of touch device of the present invention comprising touch panel, wiring board and the first signal pass
Pass circuit.Wiring board is arranged in the first side of touch panel and at least one first chip and a plurality of conducting wire, wherein conducting wire with
First chip connects.First signal transmits circuit and is connect with conducting wire by conductive material.
In one embodiment of this invention, the quantity of the first above-mentioned chip is multiple, and the first chip is at least along parallel
First direction in the first side arranges.
In one embodiment of this invention, above-mentioned two conducting wires positioned at outermost transmit circuit with the first signal respectively and exist
It is parallel on the first direction of the first side and is separated by maximum horizontal range, and the first signal transmits circuit adjacent to the edge of the first chip
The edge for transmitting circuit farthest away from the first signal with the first chip is separated by maximum hang down in a second direction perpendicular to the first direction
Straight distance, maximum horizontal range are less than N times of 4mm, and maximum normal distance is less than N times of 18.5mm, and wherein N is that the first chip exists
Line number in second direction.
In one embodiment of this invention, above-mentioned wiring board has the bonding land of quadrangle, and conducting wire and the first core
Piece is located in bonding land, bonding land have two two interconnected first while, second while, third while and when the 4th, wherein the
On one side and third side is parallel to first direction, second while and the 4th while be parallel to second direction, second while and the 4th while connect respectively
Connect first while and when third, the first side trims the edge that circuit is transmitted in the first signal, and third side trims farthest in the first chip
From the edge that the first signal transmits circuit, second and the 4th side trim and prolong second direction on wiring board and arrange closest bonding land
Other elements, wherein in a first direction, the first signal transmit circuit adjacent to second while edge with second while believe adjacent to first
The one end for number transmitting circuit is separated by the first distance, and the first signal transmit circuit adjacent to the 4th while edge and when the 4th adjacent to the
One end that one signal transmits circuit is separated by second distance, and the first distance is respectively smaller than N times of 4mm, and most flood with second distance
Flat distance is less than or equal to the first distance and second distance.
In one embodiment of this invention, above-mentioned maximum horizontal range is equal to the first distance and second distance, and is located at
Two bars of conducting wires of outermost trim respectively in second while and when the 4th.
In one embodiment of this invention, above-mentioned maximum horizontal range is less than the first distance and second distance, and is located at
Two bars of conducting wires of outermost respectively with second while and the 4th while be separated by third distance and the 4th distance.
In one embodiment of this invention, above-mentioned third distance and the 4th distance are respectively greater than 0 and are less than 2mm.
In one embodiment of this invention, it is soft circuit that the first above-mentioned signal, which transmits circuit,.
A kind of touch control display apparatus of the present invention comprising touch panel, wiring board, the first signal transmit circuit and show
Show panel.Wiring board is arranged in the first side of touch panel and at least one first chip and a plurality of conducting wire, wherein conducting wire with
First chip connects.First signal transmits circuit and is connect with conducting wire by conductive material.Display panel is located under touch panel
Side.
In one embodiment of this invention, above-mentioned display panel further includes multiple second chips arranged in the first direction
And multiple second signals transmit circuit.Second signal transmits circuit connection line plate and the second chip, wherein the first signal passes
Circuit is passed to arrange and do not overlap each other with second signal transfer line curb first direction.
It will be driving the first chip of touch panel based on above-mentioned, of the invention touch device and touch control display apparatus
In the circuit board, to be promoted, the first signal transmits the bending nargin of circuit and improvement transmits circuit because bending the first signal for setting
Caused by and the problem of reliability.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is attached appended by cooperation
Figure is described in detail below.
Description of the drawings
Fig. 1 is a kind of upper schematic diagram of touch device of one embodiment of the invention；
Fig. 2A is the enlarged diagram of the first layout kenel of the first chip and conducting wire in the A of region in Fig. 1；
Fig. 2 B are the diagrammatic cross-sections of the hatching line A-A ' in Fig. 2A；
Fig. 3 is the enlarged diagram of second of layout kenel of the first chip and conducting wire in the A of region in Fig. 1；
Fig. 4 is the enlarged diagram of the third layout kenel of the first chip and conducting wire in the A of region in Fig. 1；
Fig. 5 is the enlarged diagram of the 4th kind of layout kenel of the first chip and conducting wire in Fig. 1 in the A of region；
Fig. 6 is a kind of upper schematic diagram of touch control display apparatus of one embodiment of the invention.
Symbol description
10：Touch control display apparatus
100：Touch device
110：Touch panel
120：Wiring board
122：First chip
124：Conducting wire
130：First signal transmits circuit
140：Conductive material
150：Display panel
152：Second chip
154：Second signal transmits circuit
A：Region
B：Bonding land
B1：First side
B2：Second side
B3：Third side
B4：4th side
D1：First direction
D2：Second direction
DD1：First distance
DD2：Second distance
DD3：Third distance
DD4：4th distance
DHmax：Maximum horizontal range
DVmax：Maximum normal distance
E1、E2：Element
MCU：Microcontroller
S1：First side
S2、S3、S4、S5：Edge
A-A’：Hatching line
Specific implementation mode
Fig. 1 is the upper schematic diagram according to a kind of touch device of one embodiment of the invention.Fig. 2A is region A in Fig. 1
In the first chip and conducting wire the first layout kenel enlarged diagram.Fig. 2 B are that the section of the hatching line A-A ' in Fig. 2A shows
It is intended to.Fig. 1, Fig. 2A and Fig. 2 B are please referred to, touch device 100 includes a touch panel 110, a wiring board 120 and one first
Signal transmits circuit 130.Wiring board 120 is arranged the one first side S1 in touch panel 110 and has at least one first chip 122
With a plurality of conducting wire 124, wherein conducting wire 124 is connect with the first chip 122, and the first signal transmits circuit 130 and passes through a conduction material
Material 140 is connect with conducting wire 124.
Touch panel 110 can be capacitance type touch-control panel, electric resistance touch-control panel, optical touch control panel or other shapes
The touch panel of formula.The present invention is not limiting the type of touch panel 110.Wiring board 120 be, for example, printed circuit board or
Other conductive bases for being suitable for load-carrying unit and capable of receiving and transmit signal.It is e.g. soft that first signal transmits circuit 130
Circuit.That is, the first signal, which transmits circuit 130, has a flexibility, and visual demand and bend.
In the present embodiment, to drive the first chip 122 of touch panel 110 to be configured on wiring board 120, and first
Chip 122 is electrically connected with touch panel 110 by the way that conducting wire 124 and the first signal transmit circuit 130.In addition, the present embodiment
Can also other further may be influenced the first signal and transmit circuit 130 to bend the element (such as resistance, capacitance) of nargin from the
One signal transmits circuit 130 and is transferred on wiring board 120.Thus, compared with the prior art that chip and flexibility is low
Element is set to signal transfer line road, the present embodiment in addition to can be promoted the first signal transmit circuit 130 bending nargin and
Except the problem of improving reliability caused by due to bending the first signal and transmitting circuit 130, can also it improve because of component placement area
The problems such as difficulty and manufacture craft cost for being limited on the component placement caused by signal transmission circuit.
First signal transmits circuit 130 and is fixed in assist side 120 by conductive material 140 and be electrically connected with conducting wire 124
It connects.Conductive material 140 is, for example, anisotropic conductive film (Anisotropic Conductive Film, ACF) or tin ball.
It can be electrically connected to each other pasting or by way of scolding tin that is, the first signal transmits circuit 130 and conducting wire 124.
In other words, first signal of the present embodiment transmit circuit 130 and conducting wire 124 be by it is a kind of it is non-dismountable in a manner of be electrically connected.
In practical applications, the quantity of the first chip 122 is for example, multiple.Since the length of conducting wire 124 can be with the first letter
Number transmit the distance between circuit 130 and the first chip 122 be proportionate, therefore for avoid because apart from it is long due to cause conducting wire
124 impedance is excessive, and the first chip 122 is preferably to be arranged the side of 120 relative proximity touch panel 110 of assist side and neighbouring
First signal transmits one end setting of 130 connection line plate 120 of circuit.Also, it is connected from different first chips 122 for reduction
Resistance difference between conducting wire 124, the first chip 122 is at least along the first direction D1 arrangements for being parallel to the first side S1.Citing
For, the quantity of first chip 122 of the present embodiment is, for example, two, and the two first chips 122 are arranged along first direction D1
The first signal is listed in transmit by one end of 130 connection line plate 120 of circuit.In addition, being led from what the first different chips 122 connected
Line 124 is for example in mirror to setting.
In the present embodiment, two conducting wires 124 for being located at outermost transmit circuit 130 in first party with the first signal respectively
It is separated by a maximum horizontal range DHmax on D1, and the first signal transmits an edge S2 of the circuit 130 adjacent to the first chip 122
An edge S3 of circuit 130 is transmitted in the second party perpendicular to first direction D1 farthest away from the first signal with the first chip 122
It is separated by a maximum normal distance DVmax on D2, maximum horizontal range DHmax is less than N times of 4mm, maximum normal distance DVmax
Less than N times of 18.5mm, wherein N is the line number of the first chip 122 in a second direction d 2.First chip 122 of the present embodiment
In a row along first direction D1 arrangements, therefore N is equal to 1.In other words, maximum horizontal range DHmax is less than 4mm, and maximum perpendicular
Distance DVmax is less than 18.5mm.
In addition, such as bonding land B with a quadrangle of wiring board 120, and conducting wire 124 and the first chip 122 are located at
In the B of bonding land, bonding land B have two two interconnected one first in B1, one second B2, a third side B3 and one the 4th
Side B4, wherein first in B1 and third B3 be parallel to first direction D1, second in B2 and the 4th B4 be parallel to second direction
D2, the second B3 while B4 is separately connected first in B1 and third in B2 and the 4th.First side B1 is trimmed in the first signal transfer line
The edge S2 on road 130.Third side B3 trims the edge S3 for transmitting circuit 130 farthest away from the first signal in the first chip 122.
On one direction D1, the first signal transmit circuit 130 adjacent to second in an edge S4 of B2 and second B2 be separated by one first distance
DD1, and the first signal transmit circuit 130 adjacent to the 4th in an edge S5 of B4 and the 4th B4 be separated by a second distance DD2, the
One distance DD1 and second distance DD2 is respectively smaller than N times of 4mm, and maximum horizontal range DHmax is less than or equal to the first distance
DD1 and second distance DD2.In the present embodiment, maximum horizontal range DHmax is equal to the first distance DD1 and second distance DD2,
And B4 when in B2 and fourth is trimmed in second respectively positioned at two bars of conducting wires 124 of outermost.In addition, second in B2 and the 4th B4
It also trims respectively in D2 arranges other elements E1, E2 of closest bonding land B, but the present invention in a second direction on wiring board 120
It is not limited to above-mentioned.Described element E1, E2 can be capacitance, resistance or other circuits etc. respectively.
Fig. 3 is the enlarged diagram of second of layout kenel of the first chip and conducting wire in the A of region in Fig. 1.Such as Fig. 3 institutes
Show, maximum horizontal range DHmax is also smaller than the first distance DD1 and second distance DD2, and positioned at two conducting wires of outermost
124 respectively with second in B2 and the 4th B4 be separated by a third distance DD3 and one the 4th distance DD4.The third distance DD3 and
4th distance DD4 be, for example, the other elements of two bars of conducting wires 124 and the closest bonding land B positioned at outermost in the B of bonding land (such as
Depicted element E1, E2 in Fig. 2A) distance in the first direction dl.That is, bonding land B in the first direction dl may be used
There are the regions that conducting wire 124 is not arranged.In one embodiment, third distance DD3 and the 4th distance DD4 for example be respectively greater than 0 and
Less than 2mm.To avoid the first chip 122 and conducting wire 124 by the electromagnetic interference (Electro- of other adjacent circuits
Magnetic Interference, EMI), the region of conducting wire 124 is not arranged can further be arranged ground path (not being painted).
Furthermore a microcontroller being electrically connected with the first chip 122 may further be provided on wiring board 120
(micro control unit).In one embodiment, microcontroller can be also integrated in the first chip 122.
Fig. 1 is to illustrate the first chip 122 and the in the case where the quantity of the first chip 122 is two frameworks to Fig. 3 embodiments
It is oppositely arranged the layout kenel of relationship and conducting wire 124 in the B of bonding land between one signal transmission circuit 130.However, this hair
It is bright be not limited to it is above-mentioned.Fig. 4 is the enlarged diagram of the third layout kenel of the first chip and conducting wire in the A of region in Fig. 1,
It is oppositely arranged relationship and conducting wire 124 between the first chip 122 in middle Fig. 2A and Fig. 4 and the first signal transmission circuit 130
Layout kenel in the B of bonding land is roughly the same.
Main difference is that the quantity of the first chip 122 of Fig. 4 embodiments is three.However, since the first signal transmits
The pin count of circuit 130 increases with the increase of the quantity of the first chip 122, therefore maximum horizontal range DHmax can be kept
It is constant.In addition, the first chip 122 arranges in a row along first direction D1, therefore N is still equal to 1.That is, maximum horizontal away from
It is less than 4mm from DHmax, the first distance DD1 and second distance DD2, and maximum normal distance DVmax is less than 18.5mm.In addition, this
The maximum horizontal range DHmax of embodiment may be less than or equal to the first distance DD1 and second distance DD2.
In Fig. 1 to Fig. 4 embodiment, the first chip 122 all arranges in a row along first direction D1, but the present invention is not limited to
This.Fig. 5 is the enlarged diagram of the 4th kind of layout kenel of the first chip and conducting wire in Fig. 1 in the A of region.Fig. 5's and Fig. 2A
Main difference is that the quantity of the first chip 122 of Fig. 5 embodiments is four, and the first chip 122 is for example along first direction D1
And second direction D2 is arranged in the kenel of matrix.Since the line number of the first chip 122 in a second direction d 2 is 2, it is maximum
Horizontal distance DHmax, the first distance DD1 and second distance DD2 are less than twice (i.e. the 8mm) of 4mm, and maximum normal distance
DVmax is less than twice (i.e. the 37mm) of 18.5mm.In addition, maximum horizontal range DHmax may be less than or equal to the first distance DD1 and
Second distance DD2.Furthermore first chip 122 of the present embodiment is for example integrated with microcontroller.
Fig. 6 is the upper schematic diagram according to a kind of touch control display apparatus of one embodiment of the invention.Fig. 6 is please referred to, this
The touch control display apparatus 10 of embodiment include touch panel 110 above-mentioned, wiring board 120, the first signal transmit circuit 130 and
One display panel 150, wherein display panel 150 are located at the lower section of touch panel 110.Display panel 150 further includes multiple along
Second chip 152 of one direction D1 arrangements and multiple second signals transmit circuit 154.Second signal is transmitted circuit 154 and is connected
Wiring board 120 and the second chip 152, wherein the first signal transmits circuit 130 transmits circuit 154 along first direction with second signal
D1 is arranged and is not overlapped each other.
In conclusion the touch device and touch control display apparatus of the present invention will be driving the first chip of touch panel
Setting transmits nargin and reduction of the circuit in bending because the first signal of bending transmits in the circuit board, to promote the first signal
Circuit and caused by reliability the problem of.
Although disclosing the present invention in conjunction with above example, it is not limited to the present invention, any affiliated technology
Have usually intellectual in field, without departing from the spirit and scope of the present invention, can make some changes and embellishment, therefore this hair
Bright protection domain should be subject to what the appended claims were defined.
Claims (9)
1. a kind of touch device, including：
Touch panel；
Wiring board is arranged in the first side of touch panel, and at least one first chip and a plurality of conducting wire, conducting wire and the first core
Piece connects；And
First signal transmits circuit, is connect with conducting wire by conductive material, wherein being located at two bars of conducting wires of outermost respectively with the
One signal transmits circuit and is separated by maximum horizontal range on the first direction for being parallel to the first side, and the first signal transmits circuit neighbour
The edge and the first chip of nearly first chip transmit the edge of circuit perpendicular to the second of first direction farthest away from the first signal
It is separated by maximum normal distance on direction, maximum horizontal range is less than N times of 4mm, and maximum normal distance is less than N times of 18.5mm,
Wherein N is the line number of the first chip in a second direction.
2. touch device as described in claim 1, wherein the quantity of the first chip is multiple, and the first chip is at least along parallel
First direction in the first side arranges.
3. touch device as described in claim 1, wherein wiring board have the bonding land of quadrangle, and conducting wire and the first core
Piece is located in bonding land, bonding land have two two interconnected first while, second while, third while and when the 4th, wherein the
On one side and third side is parallel to first direction, second while and the 4th while be parallel to second direction, second while and the 4th while connect respectively
Connect first while and when third, the first side trims the edge that circuit is transmitted in the first signal, and third side trims farthest in the first chip
From the edge that the first signal transmits circuit, wherein in a first direction, the first signal transmit circuit adjacent to the second side edge with
Second side is separated by the first distance, and the first signal transmit circuit adjacent to the 4th while edge and the 4th while be separated by second distance, the
One distance is respectively smaller than N times of 4mm with second distance, and maximum horizontal range is less than or equal to the first distance and second distance.
4. touch device as claimed in claim 3, wherein maximum horizontal range are equal to the first distance and second distance, and are located at
Two bars of conducting wires of outermost trim respectively in second while and when the 4th.
5. touch device as claimed in claim 3, wherein maximum horizontal range are less than the first distance and second distance, and are located at
Two bars of conducting wires of outermost respectively with second while and the 4th while be separated by third distance and the 4th distance.
6. touch device as claimed in claim 5, wherein third distance and the 4th distance are respectively greater than 0 and are less than 2mm.
7. touch device as described in claim 1, wherein it is soft circuit that the first signal, which transmits circuit,.
8. a kind of touch control display apparatus, including：
Touch panel；
Wiring board is arranged in the first side of touch panel, and at least one first chip and a plurality of conducting wire, conducting wire and the first core
Piece connects；
First signal transmits circuit, is connect with conducting wire by conductive material, wherein being located at two bars of conducting wires of outermost respectively with the
One signal transmits circuit and is separated by maximum horizontal range on the first direction for being parallel to the first side, and the first signal transmits circuit neighbour
The edge and the first chip of nearly first chip transmit the edge of circuit perpendicular to the second of first direction farthest away from the first signal
It is separated by maximum normal distance on direction, maximum horizontal range is less than N times of 4mm, and maximum normal distance is less than N times of 18.5mm,
Wherein N is the line number of the first chip in a second direction；And
Display panel is located at the lower section of touch panel.
9. touch control display apparatus as claimed in claim 8, wherein display panel further include：
Multiple second chips arranged in the first direction；And
Multiple second signals transmit circuit, connection line plate and the second chip, wherein the first signal transmits circuit and second signal
Transfer line curb first direction is arranged and is not overlapped each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551004.9A CN105511659B (en) | 2014-10-16 | 2014-10-16 | Touch device and touch control display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551004.9A CN105511659B (en) | 2014-10-16 | 2014-10-16 | Touch device and touch control display apparatus |
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| Publication Number | Publication Date |
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| CN105511659A CN105511659A (en) | 2016-04-20 |
| CN105511659B true CN105511659B (en) | 2018-10-02 |
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| CN201410551004.9A Active CN105511659B (en) | 2014-10-16 | 2014-10-16 | Touch device and touch control display apparatus |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017213175A1 (en) * | 2016-06-09 | 2017-12-14 | シャープ株式会社 | Display device with touch panel and method for manufacturing display device with touch panel |
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| CN201293892Y (en) * | 2008-09-22 | 2009-08-19 | 威海大宇电子有限公司 | Touch screen liquid crystal display |
| CN202309780U (en) * | 2011-09-16 | 2012-07-04 | 宁波现代萨际通移动电话有限公司 | Touch-control mobile phone |
| CN102629177A (en) * | 2012-03-30 | 2012-08-08 | 敦泰科技有限公司 | Capacitive touch screen and manufacture method thereof |
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| CN104007885A (en) * | 2014-05-29 | 2014-08-27 | 向火平 | Projection-type capacitive touch white board manufacturing method and projection-type capacitive touch white board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192259A (en) * | 2006-11-20 | 2008-06-04 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and method for opening same |
| KR101692956B1 (en) * | 2010-09-20 | 2017-01-04 | 삼성전자 주식회사 | Tape package |
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- 2014-10-16 CN CN201410551004.9A patent/CN105511659B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293892Y (en) * | 2008-09-22 | 2009-08-19 | 威海大宇电子有限公司 | Touch screen liquid crystal display |
| CN202309780U (en) * | 2011-09-16 | 2012-07-04 | 宁波现代萨际通移动电话有限公司 | Touch-control mobile phone |
| CN102629177A (en) * | 2012-03-30 | 2012-08-08 | 敦泰科技有限公司 | Capacitive touch screen and manufacture method thereof |
| CN103336640A (en) * | 2013-06-18 | 2013-10-02 | 苏州市健邦触摸屏技术有限公司 | Capacitive touch screen and manufacturing method thereof |
| CN104007885A (en) * | 2014-05-29 | 2014-08-27 | 向火平 | Projection-type capacitive touch white board manufacturing method and projection-type capacitive touch white board |
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| CN105511659A (en) | 2016-04-20 |
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