CN105138210A - Touch panel, touch display panel and touch display device - Google Patents
Touch panel, touch display panel and touch display device Download PDFInfo
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- CN105138210A CN105138210A CN201510624844.8A CN201510624844A CN105138210A CN 105138210 A CN105138210 A CN 105138210A CN 201510624844 A CN201510624844 A CN 201510624844A CN 105138210 A CN105138210 A CN 105138210A
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 12
- 230000008859 change Effects 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 238000013459 approach Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000012939 laminating adhesive Substances 0.000 description 1
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- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The invention discloses a touch panel, a touch display panel and a touch display device and belongs to the technical field of display. The touch panel comprises a first substrate, multiple first electrodes, multiple second electrodes, a second substrate and multiple third electrodes, wherein the multiple first electrodes are arranged on a first surface of the first substrate in parallel at intervals and extend in a first direction; the multiple second electrodes are arranged on the first surface in parallel at intervals, are insulated from the multiple first electrodes and extend in a second direction, and the second direction and the first direction intersect; the second substrate is fixedly connected with the first substrate and parallel to the first substrate, and has a second surface opposite to the first surface; the multiple third electrodes are arranged on the second surface in parallel at intervals and extend in the second direction; the second electrodes and the third electrodes are alternately arranged in the second direction, and in a direction perpendicular to the first substrate, a plane where the second electrodes are located is parallel to a plane where the third electrodes are located. According to the touch panel, the touch display panel and the touch display device, floating touch is realized.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a touch panel, a touch display panel, and a touch display device.
Background
Capacitive touch screens are the most widely used touch screens at present. Capacitive touch screens can be classified into mutual capacitance and self-capacitance. Compared with a self-contained touch screen, the mutual-contained touch screen has the advantages of capability of supporting multi-point touch, high light transmittance, low power consumption, long service life and the like, so that the application range is wider.
The existing mutual capacitance touch screen determines the coordinates of a touch point through the mutual capacitance change generated when a human hand approaches the touch screen. Because there is also environmental interference around the touch screen, in order to prevent the false touch, only when the capacitance variation value reaches the set value will touch. When a hand of a person floats on the touch screen, the capacitance change value generated by the hand of the person is small, and the touch screen cannot realize touch control.
Disclosure of Invention
In order to solve the problems in the prior art, embodiments of the present invention provide a touch panel, a touch display panel and a touch display device. The technical scheme is as follows:
in one aspect, an embodiment of the present invention provides a touch panel, including:
a first substrate;
the first electrodes are arranged on the first surface of the first substrate at intervals in parallel and extend along a first direction;
a plurality of second electrodes arranged on the first surface in parallel at intervals and insulated from the first electrodes, the second electrodes extending along a second direction, the second direction intersecting the first direction;
the second substrate is fixedly connected with the first substrate and arranged in parallel, and the second substrate is provided with a second surface opposite to the first surface;
a plurality of third electrodes arranged in parallel at intervals on the second surface and extending along the second direction;
the second electrodes and the third electrodes are alternately arranged in the second direction, and in the direction perpendicular to the first substrate, the planes where the second electrodes are located and the planes where the third electrodes are located are two planes which are parallel to each other;
the first electrode is a touch driving electrode, and the second electrode and the third electrode are touch sensing electrodes; or,
the first electrode is a touch sensing electrode, and the second electrode and the third electrode are touch driving electrodes.
Optionally, the distance between the second electrode and the third electrode in the direction perpendicular to the first substrate is 0.1-0.3 mm.
Optionally, the first substrate and the second substrate are attached together by a bonding adhesive.
Preferably, the adhesive is optically clear adhesive OCA or optically clear resin OCR.
Optionally, the first substrate is a glass substrate, an organic substrate or a liquid crystal panel, and the second substrate is a glass substrate, an organic substrate or a liquid crystal panel.
In a possible implementation manner of the present invention, the first electrode includes a plurality of conductive blocks arranged at intervals along the first direction, each of the conductive blocks is located between adjacent second electrodes, the conductive blocks and the second electrodes are separated by a first insulating layer, and the conductive blocks of the same first electrode are connected by a conductive bridge; or,
the second electrode comprises a plurality of conductive blocks arranged at intervals along the second direction, each conductive block is positioned between the adjacent first electrodes, the conductive blocks and the first electrodes are separated by first insulating layers, and the conductive blocks of the same second electrode are connected through a conductive bridge.
Optionally, the touch panel further includes a second insulating layer covering the first electrode, the second electrode, and the conductive bridge.
Preferably, the touch panel further includes a polarizer, and the polarizer is sandwiched between the second insulating layer and the third electrode.
In another possible implementation manner of the present invention, the touch panel further includes a black matrix disposed on the second substrate and located in the non-display area.
In another aspect, an embodiment of the present invention provides a touch display panel, which includes the touch panel.
In another aspect, an embodiment of the present invention provides a touch display device, which includes the touch display panel.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the second electrodes and the third electrodes are arranged on the two substrates and are crossed with the first electrodes, the second electrodes and the third electrodes are arranged in parallel and alternately, a first capacitor is formed between the first electrodes and the second electrodes, a second capacitor is formed between the first electrodes and the third electrodes, and the change values of the two capacitors generated by the approach of a human hand can provide more reference information for the touch operation of the touch screen for identifying the human hand from environmental interference, so that the distance of the touch screen for sensing the touch operation of the human hand is increased, and the suspension touch control is realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a touch panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a touch panel according to an embodiment of the present invention;
fig. 3a and 3b are schematic views of the arrangement of the first electrode and the second electrode provided by the embodiment of the invention;
fig. 4 is a flowchart of a method for manufacturing a touch panel according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
An embodiment of the present invention provides a touch panel, referring to fig. 1, the touch panel includes a first substrate 1, a plurality of first electrodes 2, a plurality of second electrodes 3, a second substrate 4, and a plurality of third electrodes 5.
In the present embodiment, the plurality of first electrodes 2 are disposed in parallel at intervals on the first surface 11 of the first substrate 1, and the plurality of first electrodes 2 extend along the first direction. The plurality of second electrodes 3 are arranged on the first surface 11 of the first substrate 1 in parallel at intervals and are insulated from the plurality of first electrodes 2, and the plurality of second electrodes 3 extend along a second direction which intersects with the first direction. The second substrate 4 is fixedly connected with the first substrate 1 and arranged in parallel, and the second substrate 4 has a second surface 41 opposite to the first surface 11 of the first substrate 1. The plurality of third electrodes 5 are disposed in parallel at intervals on the second surface 41 of the second substrate 4, and the plurality of third electrodes 5 extend in the second direction. The second electrodes 3 and the third electrodes 5 are alternately arranged in the second direction, and in the direction perpendicular to the first substrate 1, the plane where the second electrodes 3 are located and the plane where the third electrodes 5 are located are two planes parallel to each other.
The first electrode 2 is a touch driving electrode, and the second electrode 3 and the third electrode 5 are touch sensing electrodes; or, the first electrode 2 is a touch sensing electrode, and the second electrode 3 and the third electrode 5 are touch driving electrodes.
In particular, the second direction may be perpendicular to the first direction.
According to the embodiment of the invention, the second electrode and the third electrode which are crossed with the first electrode are arranged on the two substrates, the second electrode and the third electrode are arranged in parallel and alternately, the first capacitor is formed between the first electrode and the second electrode, the second capacitor is formed between the first electrode and the third electrode, and the change values of the two capacitors generated by the approach of a human hand can provide more reference information for the touch operation of the touch screen for identifying the human hand from environmental interference, so that the distance of the touch screen for sensing the touch operation of the human hand is increased, and the suspension touch control is realized.
An embodiment of the present invention provides a touch panel, referring to fig. 2, the touch panel includes a first substrate 1, a plurality of first electrodes 2, a plurality of second electrodes 3, a second substrate 4, and a plurality of third electrodes 5.
In the present embodiment, the plurality of first electrodes 2 are disposed in parallel at intervals on the first surface 11 of the first substrate 1, and the plurality of first electrodes 2 extend along the first direction. The plurality of second electrodes 3 are arranged on the first surface 11 of the first substrate 1 in parallel at intervals and are insulated from the plurality of first electrodes 2, and the plurality of second electrodes 3 extend along a second direction which intersects with the first direction. The second substrate 4 is fixedly connected with the first substrate 1 and arranged in parallel, and the second substrate 4 has a second surface 41 opposite to the first surface 11 of the first substrate 1. The plurality of third electrodes 5 are disposed in parallel at intervals on the second surface 41 of the second substrate 4, and the plurality of third electrodes 5 extend in the second direction. The second electrodes 3 and the third electrodes 5 are alternately arranged in the second direction, and in the direction perpendicular to the first substrate 1, the plane where the second electrodes 3 are located and the plane where the third electrodes 5 are located are two planes parallel to each other.
The second electrodes and the third electrodes are arranged on the two substrates and are crossed with the first electrodes, the second electrodes and the third electrodes are arranged in parallel and alternately, a first capacitor is formed between the first electrodes and the second electrodes, a second capacitor is formed between the first electrodes and the third electrodes, and the change values of the two capacitors generated by the approach of a human hand can provide more reference information for the touch operation of the touch screen for identifying the human hand from environmental interference, so that the distance of the touch screen for sensing the touch operation of the human hand is increased, and the suspension touch control is realized.
In the present embodiment, the second direction is preferably perpendicular to the first direction.
The following briefly introduces the working principle of the touch panel provided by the embodiment of the present invention:
the first electrode is a driving electrode, and the second electrode and the third electrode are induction electrodes. When the touch panel works, the driving electrodes scan line by line, namely, the first electrodes are electrified one by one. Since mutual capacitance is formed between the driving electrodes and the sensing electrodes, all the sensing electrodes sense signals at the same time. When a human hand approaches the touch panel, the human hand can cause the signal change of the nearby induction electrodes, and the driving electrodes and the induction electrodes at the corresponding positions of the human hand can be determined by analyzing the signals of the induction electrodes and the driving electrodes scanned when the signals change, so that the touch position of the human hand can be determined.
It should be noted that, because the size of the human finger is larger than the size of the electrode, when a human hand approaches the touch panel, signal changes of the sensing electrodes at multiple positions are caused, and signal changes of the sensing electrodes at different positions are different. Meanwhile, the two sensing electrodes are the second electrode and the third electrode, and the signal changes caused by the hand of a user at the same position of the two sensing electrodes are different, so that more reference information is provided for determining the touch position of the hand of the user. After the variation amplitude of each induction electrode signal is analyzed, the position touched by the human hand can be finally determined, and the identifiability of the floating touch of the human hand is increased.
Optionally, the distance between the second electrode 3 and the third electrode 5 in the direction perpendicular to the first substrate 1 may be 0.1-0.3 mm, so as to achieve a longer floating touch distance.
Alternatively, the first substrate 1 and the second substrate 4 may be attached together by an adhesive 6.
The two substrates are bonded by the bonding glue, so that the whole touch panel is integrated, and the process is simple and convenient.
Preferably, the adhesive 6 may be an Optically Clear Adhesive (OCA) or an Optically Clear Resin (OCR).
Understandably, OCA and OCR can evenly distributed between first base plate and second base plate for there is not air residue between first base plate and the second base plate, and the light through the touch-control base plate can evenly transmit out, and display effect is good.
In practical applications, the adhesive tape may also be a frame adhesive tape, such as a double-sided tape.
Alternatively, the first substrate 1 may be a glass substrate, an organic substrate, or a liquid crystal panel.
Alternatively, the second substrate 4 may be a glass substrate, an organic substrate, or a liquid crystal panel.
It can be understood that the glass substrate and the liquid crystal panel are both common materials, and the realization cost is low. The organic substrate is the trend of future development of substrate materials, and the invention can also be applied and has wide application range.
In one mode of the present embodiment, referring to fig. 3a, the second electrode 3 includes a plurality of conductive blocks spaced apart along the second direction, each conductive block is located between adjacent first electrodes 2, the conductive blocks and the first electrodes 2 are separated by a first insulating layer 7, and the conductive blocks of the same second electrode 3 are connected by a conductive bridge 8.
In another implementation manner of this embodiment, referring to fig. 3b, the first electrode 2 includes a plurality of conductive blocks disposed at intervals along the first direction, each conductive block is located between adjacent second electrodes 3, the conductive blocks and the second electrodes 3 are separated by a first insulating layer, and the conductive blocks of the same first electrode 2 are connected by a conductive bridge.
It will be appreciated that the two implementations described above enable a crossed arrangement of the first and second electrodes.
In this embodiment, the conductive block may preferably be diamond-shaped, as shown in fig. 3a or 3 b. In practical applications, the conductive block may also be one or more of a square, a rectangle, a trapezoid, a parallelogram, an isosceles right triangle, and a right triangle, and the invention is not limited thereto.
Optionally, referring to fig. 2, the touch panel may further include a second insulating layer 9, where the second insulating layer 9 covers the first electrode 2, the second electrode 3, and the conductive bridge 8 to protect the electrodes and the conductive bridge.
Optionally, referring to fig. 2, the touch panel may further include a polarizer 10, and the polarizer 10 is sandwiched between the second insulating layer 9 and the third electrode 5.
It can be understood that the polarizer is an essential component of the liquid crystal display, and the integration of the touch screen and the display screen can be realized by arranging the polarizer in the touch panel.
Optionally, referring to fig. 2, the touch panel may further include a black matrix 20, where the black matrix 20 is disposed on the second substrate 4 and located in the non-display area to prevent the leakage of the backlight and improve the display effect.
The substrate surface is generally composed of a display region and a non-display region, the display region being a middle region of the substrate surface, and the non-display region being a peripheral region of the substrate surface.
An embodiment of the present invention provides a method for manufacturing a touch substrate, and referring to fig. 4, the method includes:
step 401: a plurality of first electrodes and a plurality of second electrodes are disposed in parallel at intervals on a first surface of a first substrate.
In the present embodiment, the plurality of first electrodes extend in a first direction, and the plurality of second electrodes extend in a second direction, which intersects the first direction. The plurality of first electrodes and the plurality of second electrodes are insulated from each other.
Specifically, this step 401 may include:
plating a layer of film on the first surface of the first substrate or attaching a layer of film;
coating a layer of photoresist on the film;
irradiating the photoresist under the shielding of a mask plate with a set pattern;
developing the irradiated photoresist;
after development, the photoresist and the film are etched to form a plurality of first electrodes and a plurality of second electrodes.
It can be understood that the implementation manner is conventional technology, and the implementation cost is low.
Alternatively, the first substrate may be a glass substrate, an organic substrate, or a liquid crystal panel.
In one implementation manner of this embodiment, the first electrode includes a plurality of conductive blocks disposed at intervals in the first direction, each conductive block is located between adjacent second electrodes, the conductive blocks and the second electrodes are separated by a first insulating layer, and the conductive blocks of the same first electrode are connected by a conductive bridge.
In another mode of this embodiment, the second electrode includes a plurality of conductive blocks disposed at intervals along the second direction, each conductive block is located between adjacent first electrodes, the conductive blocks and the first electrodes are separated by a first insulating layer, and the conductive blocks of the same second electrode are connected by a conductive bridge.
Optionally, the preparation method may further include:
a second insulating layer is disposed over the first electrode, the second electrode, and the conductive bridge.
Optionally, the preparation method may further include:
and arranging a polarizer on the second insulating layer.
Step 402: a plurality of third electrodes are arranged in parallel at intervals on the second surface of the second substrate.
In this embodiment, the plurality of third electrodes extend in the second direction, and the second surface is opposite to the first surface.
The second electrodes and the third electrodes are alternately arranged in the second direction, and in the direction perpendicular to the first substrate, the planes where the second electrodes are located and the planes where the third electrodes are located are two planes which are parallel to each other.
Specifically, this step 402 may include:
plating a layer of film on the second surface of the second substrate or attaching a layer of film;
coating a layer of photoresist on the film;
irradiating the photoresist under the shielding of a mask plate with a set pattern;
developing the irradiated photoresist;
after development, the photoresist and the film are etched to form a plurality of third electrodes.
It can be understood that the implementation manner is conventional technology, and the implementation cost is low.
Alternatively, the distance between the second electrode and the third electrode in the direction perpendicular to the first substrate may be 0.1 to 0.3 mm.
Alternatively, the second substrate may be a glass substrate, an organic substrate, or a liquid crystal panel.
Optionally, the preparation method may further include:
a black matrix is disposed on the second substrate.
In the present embodiment, the black matrix is located in the non-display area.
Step 403: and adhering the first substrate and the second substrate by adopting an adhesive.
In this embodiment, the second substrate and the first substrate are fixedly connected and arranged in parallel.
Preferably, the laminating adhesive may be OCA or OCR.
The second electrodes and the third electrodes are arranged on the two substrates and are crossed with the first electrodes, the second electrodes and the third electrodes are arranged in parallel and alternately, a first capacitor is formed between the first electrodes and the second electrodes, a second capacitor is formed between the first electrodes and the third electrodes, and the change values of the two capacitors generated by the approach of a human hand can provide more reference information for the touch operation of the touch screen for identifying the human hand from environmental interference, so that the distance of the touch screen for sensing the touch operation of the human hand is increased, and the suspension touch control is realized.
An embodiment of the present invention provides a touch display panel, which includes the touch panel provided in fig. 1 or fig. 2.
The embodiment of the invention provides a touch display device which comprises the touch display panel.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (11)
1. A touch panel, comprising:
a first substrate;
the first electrodes are arranged on the first surface of the first substrate at intervals in parallel and extend along a first direction;
a plurality of second electrodes arranged on the first surface in parallel at intervals and insulated from the first electrodes, the second electrodes extending along a second direction, the second direction intersecting the first direction;
the second substrate is fixedly connected with the first substrate and arranged in parallel, and the second substrate is provided with a second surface opposite to the first surface;
a plurality of third electrodes arranged in parallel at intervals on the second surface and extending along the second direction;
the second electrodes and the third electrodes are alternately arranged in the second direction, and in the direction perpendicular to the first substrate, the planes where the second electrodes are located and the planes where the third electrodes are located are two planes which are parallel to each other;
the first electrode is a touch driving electrode, and the second electrode and the third electrode are touch sensing electrodes; or,
the first electrode is a touch sensing electrode, and the second electrode and the third electrode are touch driving electrodes.
2. The touch panel according to claim 1, wherein a distance between the second electrode and the third electrode in a direction perpendicular to the first substrate is 0.1 to 0.3 mm.
3. The touch panel of claim 1, wherein the first substrate and the second substrate are bonded together by a bonding adhesive.
4. The touch panel according to claim 3, wherein the adhesive is an optically clear adhesive OCA or an optically clear resin OCR.
5. The touch panel of claim 1, wherein the first substrate is a glass substrate, an organic substrate or a liquid crystal panel, and the second substrate is a glass substrate, an organic substrate or a liquid crystal panel.
6. The touch panel according to claim 1, wherein the first electrode includes a plurality of conductive blocks arranged at intervals along the first direction, each conductive block is located between adjacent second electrodes, the conductive blocks and the second electrodes are separated by a first insulating layer, and the conductive blocks of the same first electrode are connected by a conductive bridge; or,
the second electrode comprises a plurality of conductive blocks arranged at intervals along the second direction, each conductive block is positioned between the adjacent first electrodes, the conductive blocks and the first electrodes are separated by first insulating layers, and the conductive blocks of the same second electrode are connected through a conductive bridge.
7. The touch panel of claim 6, further comprising a second insulating layer covering the first electrode, the second electrode, and the conductive bridge.
8. The touch panel according to claim 7, further comprising a polarizer interposed between the second insulating layer and the third electrode.
9. The touch panel of claim 1, further comprising a black matrix disposed on the second substrate and located in a non-display area.
10. A touch display panel, characterized in that the touch display panel comprises the touch panel according to any one of claims 1-9.
11. A touch display device, characterized in that the touch display device comprises the touch display panel according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510624844.8A CN105138210B (en) | 2015-09-25 | 2015-09-25 | Touch panel, touch-control display panel and touch control display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510624844.8A CN105138210B (en) | 2015-09-25 | 2015-09-25 | Touch panel, touch-control display panel and touch control display apparatus |
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| Publication Number | Publication Date |
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| CN105138210A true CN105138210A (en) | 2015-12-09 |
| CN105138210B CN105138210B (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510624844.8A Active CN105138210B (en) | 2015-09-25 | 2015-09-25 | Touch panel, touch-control display panel and touch control display apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526956A (en) * | 2017-08-30 | 2017-12-29 | 深圳芯邦科技股份有限公司 | The touch-control burning device and method of a kind of recognizable finger |
| CN108052221A (en) * | 2017-12-14 | 2018-05-18 | 武汉华星光电半导体显示技术有限公司 | A kind of touch-screen and display panel |
| US10444885B2 (en) | 2017-12-14 | 2019-10-15 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Touch screen and display panel |
| WO2021244269A1 (en) * | 2020-06-03 | 2021-12-09 | 京东方科技集团股份有限公司 | Touch-control panel and driving method therefor, and display apparatus |
| WO2022148014A1 (en) * | 2021-01-07 | 2022-07-14 | 无锡变格新材料科技有限公司 | Touch control panel, touch control apparatus, and touch control display apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120113021A1 (en) * | 2010-11-09 | 2012-05-10 | Tpk Touch Solutions, Inc. | Touch panel device |
| CN104345959A (en) * | 2013-08-08 | 2015-02-11 | 胜华科技股份有限公司 | Touch panel and touch display device |
| CN104461109A (en) * | 2013-09-17 | 2015-03-25 | 胜华科技股份有限公司 | Touch panel |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120113021A1 (en) * | 2010-11-09 | 2012-05-10 | Tpk Touch Solutions, Inc. | Touch panel device |
| CN104345959A (en) * | 2013-08-08 | 2015-02-11 | 胜华科技股份有限公司 | Touch panel and touch display device |
| CN104461109A (en) * | 2013-09-17 | 2015-03-25 | 胜华科技股份有限公司 | Touch panel |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526956A (en) * | 2017-08-30 | 2017-12-29 | 深圳芯邦科技股份有限公司 | The touch-control burning device and method of a kind of recognizable finger |
| CN108052221A (en) * | 2017-12-14 | 2018-05-18 | 武汉华星光电半导体显示技术有限公司 | A kind of touch-screen and display panel |
| WO2019114075A1 (en) * | 2017-12-14 | 2019-06-20 | 武汉华星光电半导体显示技术有限公司 | Touch screen and display panel |
| US10444885B2 (en) | 2017-12-14 | 2019-10-15 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Touch screen and display panel |
| WO2021244269A1 (en) * | 2020-06-03 | 2021-12-09 | 京东方科技集团股份有限公司 | Touch-control panel and driving method therefor, and display apparatus |
| US11874983B2 (en) | 2020-06-03 | 2024-01-16 | Beijing Boe Optoelectronics Technology Co., Ltd. | Touch panel, driving method and display device with transparent display and double-sided touch control |
| WO2022148014A1 (en) * | 2021-01-07 | 2022-07-14 | 无锡变格新材料科技有限公司 | Touch control panel, touch control apparatus, and touch control display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105138210B (en) | 2018-11-09 |
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