CN111273817B - Touch module and touch device - Google Patents
Touch module and touch device Download PDFInfo
- Publication number
- CN111273817B CN111273817B CN202010083177.8A CN202010083177A CN111273817B CN 111273817 B CN111273817 B CN 111273817B CN 202010083177 A CN202010083177 A CN 202010083177A CN 111273817 B CN111273817 B CN 111273817B
- Authority
- CN
- China
- Prior art keywords
- electrode layer
- layer
- area
- conductive
- touch module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 230000002441 reversible effect Effects 0.000 claims abstract description 19
- 230000006698 induction Effects 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 198
- 239000012790 adhesive layer Substances 0.000 claims description 29
- 230000003287 optical effect Effects 0.000 claims description 29
- 238000002955 isolation Methods 0.000 claims description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention relates to a touch module and a touch device, wherein the touch module comprises a sensing area and a conductive area, the sensing area comprises an effective sensing area and a reverse-folding area, the reverse-folding area is positioned at the side edge of the effective sensing area, and a first electrode layer, a second electrode layer and an insulating layer can be reversely folded in the reverse-folding area so as to reversely fold the conductive area to the back of the touch module; the touch module comprises a first electrode layer, a second electrode layer and an insulating layer: the first electrode layer is provided with a first electrode pattern extending along a first direction in the sensing area; a second electrode pattern extending along a second direction is arranged in the effective induction area of the second electrode layer, the metal shielding net is fully distributed in the reverse folding area of the second electrode layer, a ground wire is arranged in the conductive area of the second electrode layer, and the metal shielding net is connected with the ground wire; the insulating layer is sandwiched between the first electrode layer and the second electrode layer. The touch module and the touch device can solve the problems of narrow frames and electrostatic protection.
Description
Technical Field
The present invention relates to the field of touch devices, and in particular, to a touch module and a touch device.
Background
Touch devices or touch panels are increasingly used in electronic products, and touch devices enable users to directly interact with displayed information without any intermediate devices such as a mouse or a physical keyboard. During the processes of gluing and assembling the touch device, static electricity is generated and accumulated by friction. In addition, when a user uses the touch device, the user often needs to touch and press the panel with a finger in an operation mode, so that static electricity on the human finger is easily conducted to the surface of the touch device, and static electricity discharge damages the electronic components, such as screen defects, melted metal wires, component resistance value change, damaged or broken oxide layers, and influences the occurrence of error actions of an electronic circuit or a controller which takes a microprocessor as a center, which greatly influence the service life of the touch device and the reliability of input signal transmission.
In addition, a touch sensing film in the touch device, for example, an ITO film or a metal mesh film, includes a sensing area and a conductive area, the sensing area is used for monitoring a touch signal, the conductive area is provided with a signal line, one end of the signal line is connected with the sensing area, and the other end is connected with the driving control module. The sensing area generally corresponds to a display area of the touch device, the conductive area corresponds to a non-display area, and the narrow frame of the current electronic product is more and more popular, so that the occupation ratio of the conductive area in the screen needs to be reduced as much as possible, but the current touch device cannot perform good electrostatic protection while pursuing the narrow frame.
Disclosure of Invention
Accordingly, there is a need for a touch module and a touch device that can not achieve good electrostatic protection while pursuing a narrow bezel in a conventional touch device.
The touch module comprises a sensing area and a conductive area, wherein the sensing area comprises an effective sensing area and a reverse folding area, the reverse folding area is positioned on the side edge of the effective sensing area, and a first electrode layer, a second electrode layer and an insulating layer can be reversely folded in the reverse folding area so as to reversely fold the conductive area to the back of the touch module; the touch module comprises a first electrode layer, a second electrode layer and an insulating layer: the first electrode layer is provided with a first electrode pattern extending along a first direction in the sensing area; a second electrode pattern extending along a second direction is arranged in the effective induction area of the second electrode layer, the second electrode layer is fully distributed with a metal shielding net in the reverse folding area, a ground wire is arranged in the conductive area of the second electrode layer, and the metal shielding net is connected with the ground wire; the insulating layer is clamped between the first electrode layer and the second electrode layer.
In one embodiment, a T-shaped structure is disposed in the second electrode layer, the ground line of the conductive region of the second electrode layer extends to the inflection region, and the metal shielding mesh is connected to the ground line of the second electrode layer through the T-shaped structure.
In one embodiment, the conductive region includes a first conductive region and a second conductive region connected to each other, the first conductive region is located at a side of the touch module, the second conductive region is located at the bottom of the touch module, the inflection region is located between the active sensing region and the first conductive region, the first conductive region can be inflected on the back of the touch module, and the ground line of the first conductive region of the second electrode layer extends to the inflection region; the T-shaped structure is positioned between the second conductive area of the second electrode layer and the effective sensing area; and the first conductive region of the second electrode layer and the metal shielding net of the inflection region jointly form a shielding layer.
In one embodiment, a first ground wire is led out of the first electrode layer in the reverse folding area, a second ground wire and a shielding layer which are mutually connected are led out of the second electrode layer in the reverse folding area, and the front surface and the back surface of the reverse folding area are both provided with the isolation protection layers.
In one embodiment, the isolation protection layer in contact with the shielding layer is provided with an opening at an end far away from the effective sensing area, and the shielding layer is grounded through the opening.
In one embodiment, a conductive adhesive tape is arranged in the opening, and the shielding layer is connected with the display module through the conductive adhesive tape so as to be grounded; or a flexible circuit board is arranged in the opening, and the shielding layer is connected with the system board through the flexible circuit board so as to be grounded.
In one embodiment, the first electrode layer is a driving electrode layer and the second electrode layer is a sensing electrode layer; or, the first electrode layer is an induction electrode layer, and the second electrode layer is a driving electrode layer.
The invention further provides a touch device, which comprises a cover plate, a first optical adhesive layer, any one of the touch modules, a second optical adhesive layer and a display module which are sequentially arranged in a laminated manner.
In one embodiment, the first electrode layer is close to the second optical adhesive layer, the second electrode layer is close to the first optical adhesive layer, and the metal shielding net can be connected with the system board so as to be grounded.
In one embodiment, the first electrode layer is close to the first optical adhesive layer, the second electrode layer is close to the second optical adhesive layer, and the metal shielding mesh can be connected with the display module to be grounded.
The touch module and the touch device have the beneficial effects that:
according to the touch module and the touch device, the reverse folding area is arranged in the touch module, and the first electrode layer, the second electrode layer and the insulating layer can be reversely folded in the reverse folding area, so that the conductive area can be reversely folded to the back of the touch module, the conductive area is prevented from occupying too much space on the front of the touch module, and a foundation is laid for realizing the design of a narrow frame of electronic setting. In addition, the first electrode patterns extending along the first direction are arranged on the first electrode layer, the second electrode patterns extending along the second direction are arranged on the second electrode layer, the first electrode patterns extend along the first direction in the reverse folding area, and the metal shielding net is fully distributed in the reverse folding area of the second electrode layer, so that the anti-static protection can be performed in the reverse folding area, and the touch module and the touch device can solve the problems of narrow frames and static protection at the same time.
Drawings
Fig. 1 is a schematic structural diagram of a touch device according to an embodiment of the invention.
Fig. 2 is a schematic view of a top view structure of the touch module according to an embodiment of the invention before being folded.
Fig. 3 is a schematic top view of a right portion of a touch module according to an embodiment of the invention.
Fig. 4 is a schematic top view of a right portion of the first electrode layer of the touch module according to an embodiment of the disclosure.
Fig. 5 is a schematic top view illustrating a right portion of a second electrode layer of a touch module according to an embodiment of the disclosure.
Fig. 6 is a longitudinal cross-sectional view of a right portion of a touch device according to an embodiment of the invention.
Fig. 7 is a schematic structural diagram of a touch device according to an embodiment of the present invention after a shielding layer is connected to a display module through a conductive tape.
Fig. 8 is a longitudinal sectional view of a right portion of a touch device according to another embodiment of the invention.
Fig. 9 is a schematic structural view illustrating a shielding layer of a touch device and a flexible circuit board connected to each other according to another embodiment of the invention.
Reference numerals:
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "inner", "outer", "left", "right" and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
In an embodiment, the touch device of the invention is configured as shown in fig. 1, and includes a cover plate 100, a first optical adhesive layer 200, a touch module 300, a second optical adhesive layer 400 and a display module 500, which are sequentially stacked, wherein the first optical adhesive layer 200 is located between the cover plate 100 and the touch module 300, the second optical adhesive layer 400 is located between the touch module 300 and the display module 500, the touch module 300 includes a first electrode layer 330, a second electrode layer 340 and an insulating layer 350, the insulating layer 350 is sandwiched between the first electrode layer 330 and the second electrode layer 340, the first electrode layer 330 is close to the first optical adhesive layer 200, and the second electrode layer 340 is close to the second optical adhesive layer 400. The display module 500 includes a display area 510 and a non-display area 520, and an ink layer 110 is disposed on a surface of the cover plate 100 close to the first optical adhesive layer 200 and corresponding to the non-display area 520. The touch device and the touch module 300 both include a front surface and a back surface, which are disposed opposite to each other, and the front surface and the back surface are observed or used from different angles, wherein the front surface is observed or used from the side of the cover 100 of the touch device, and the back surface is observed or used from the side of the display module 500 of the touch device.
As shown in fig. 1, the touch module 300 includes a reverse-folding region 312, and the first electrode layer 330, the second electrode layer 340 and the insulating layer 350 can be reversely folded in the reverse-folding region 312 to reversely fold the conductive region 320 onto the back of the touch module 300, so as to prevent the conductive region 320 from occupying too much space on the front of the touch device, thereby implementing a narrow frame design for electronic configuration. The top view structure of the touch module 300 before being folded back is shown in fig. 2, and includes a sensing area 310 and a conductive area 320, the conductive area 320 surrounds the sensing area 310, the conductive area 320 includes a first conductive area 321, a second conductive area 322, a third conductive area 323, and a fourth conductive area 324, wherein the first conductive area 321 is located at one side of the touch module 300, the second conductive area 322 is located at the bottom of the touch module 300, the third conductive area 323 is located at the other side of the touch module 300, the fourth conductive area 324 is located at the top of the touch module 300, the sensing area 310 includes an effective sensing area 311 and a inflection area 312, the inflection area 312 is located between the effective sensing area 311 and the first conductive area 321, and between the effective sensing area 311 and the third conductive area 323, the touch module 300 is folded back in the folded-back area 312, therefore, the first conductive region 321 and the third conductive region 323 can be folded back to the back of the touch module 300, and a narrow frame design of electronic devices can be realized. It can be understood that the reverse folding of the touch module 300 in fig. 2 corresponds to the reverse folding of the right first conductive area 321 in fig. 1.
In an embodiment, the structure of the right portion of the touch module 300 is as shown in fig. 3 to 5, wherein fig. 3 is a schematic top view structure of the first electrode layer 330 and the second electrode layer 340 stacked together, fig. 4 is a schematic top view structure of the first electrode layer 330, and fig. 5 is a schematic top view structure of the second electrode layer 340. As can be seen from fig. 4, the first electrode layer 330 includes a sensing region 310 and a conductive region 320, a first electrode pattern 331 is disposed in the sensing region 310, the first electrode pattern 331 extends along a first direction, and is disposed along a second direction, in the embodiment shown in fig. 4, the first direction is perpendicular to the second direction, the first direction is an X-axis direction, the second direction is a Y-axis direction, the sensing region 310 includes an effective sensing region 311 and a reverse-folded region 312, the reverse-folded region 312 is located at a right side of the effective sensing region 311, and the first electrode pattern 331 extends along the first direction at the reverse-folded region 312. As shown in fig. 5, the second electrode layer 340 includes a sensing region 310 and a conductive region 320, the sensing region 310 includes an effective sensing region 311 and a reverse-folding region 312, the reverse-folding region 312 is located at a right side edge of the effective sensing region 311, a second electrode pattern 341 is disposed in the effective sensing region 311, the second electrode pattern 341 extends along a second direction, and is disposed along a first direction, in the embodiment shown in fig. 5, the first direction is perpendicular to the second direction, the first direction is an X-axis direction, the second direction is a Y-axis direction, and a metal shielding mesh 342 is disposed in the reverse-folding region 312 for performing anti-static protection in the reverse-folding region 312. In one specific embodiment, the first electrode layer 330 may be a driving electrode layer, and the second electrode layer 340 is a sensing electrode layer. In another embodiment, the first electrode layer 330 can be a sensing electrode layer, and the second electrode layer 340 can be a driving electrode layer.
In addition, as shown in fig. 5, the conductive area 320 includes a first conductive area 321 and a second conductive area 322 connected to each other, the first conductive area 321 is located at a side of the touch module 300, the second conductive area 322 is located at a bottom of the touch module 300, the inflection area 312 is located between the effective sensing area 311 and the first conductive area 321, the first conductive area 321 can be inflected to a back side of the touch module 300, and a ground line of the first conductive area 321 extends to the inflection area 312; a T-shaped structure 344 is arranged in the second electrode layer 340, the T-shaped structure 344 is located between the second conductive area 322 and the effective sensing area 311, the metal shielding mesh 342 is connected with the ground wire of the second electrode layer 340 through the T-shaped structure 344, the first conductive area 321 of the second electrode layer 340 and the metal shielding mesh 342 of the reverse-folded area 312 jointly form a shielding layer, and the shielding layer is connected with the ground wire of the second electrode layer 340, so that better anti-static protection can be performed on the reverse-folded area 312.
In one embodiment, a cross-sectional structure of a longitudinal cross section of a right portion of the touch device is as shown in fig. 6, and includes a cover plate 100, a first optical adhesive layer 200, a touch module 300, a second optical adhesive layer 400 and a display module 500, which are sequentially stacked, where the touch module 300 includes a first electrode layer 330, a second electrode layer 340 and an insulating layer 350, the insulating layer 350 is sandwiched between the first electrode layer 330 and the second electrode layer 340, the first electrode layer 330 is close to the first optical adhesive layer 200, and the second electrode layer 340 is close to the second optical adhesive layer 400. The first electrode layer 330 has a first ground line 332 led out from the inflection region 312, and the second electrode layer 340 has a second ground line 345 and a shielding layer 343 connected to each other led out from the inflection region 312. In addition, a first isolation protection layer 361 is disposed on the front surface of the inflection region 312, a second isolation protection layer 362 is disposed on the back surface of the inflection region 312, the first isolation protection layer 361 is in contact connection with the first ground line 332 of the first electrode layer 330, the second isolation protection layer 362 is in contact connection with the shielding layer 343 disposed on the inflection region 312 of the second electrode layer 340, an opening 363 is disposed at one end of the second isolation protection layer 362 far from the effective sensing region 311, and a conductive tape 364 is disposed in the opening 363. The shielding layer 343 is connected to the display module 500 through the conductive tape 364, and is grounded. The structure of the shielding layer 343 connected to the display module 500 through the conductive tape 364 is shown in fig. 7.
In addition, it should be noted that, in a specific embodiment, as shown in fig. 5, the second electrode layer 340 is an ITO touch electrode layer, the effective sensing area 311 has a single-layer structure, i.e., an ITO layer, and the second electrode pattern 341 is disposed on the ITO layer of the effective sensing area 311; in the inflected region 312 and the first conductive region 321 having a two-layer structure of an ITO layer and a conductive silver paste layer, the metal shielding mesh 342 is disposed on the ITO layer, and the second ground wire 345 is disposed on the conductive silver paste layer, and thus, in the embodiment shown in fig. 6 and 7, the second ground wire 345 and the shielding layer 343 of the second electrode layer 340 are not only connected to each other but also stacked in the inflected region 312. It should be noted that, in other embodiments, the second electrode layer may also be a metal mesh film, in which case, the active sensing region 311, the inflection region 312, and the first conductive region 321 have a single-layer structure, and in this case, in the inflection region 312, the second ground line 345 and the shielding layer 343 of the second electrode layer 340 are only connected to each other and are not stacked.
In addition, in the embodiment shown in fig. 6 and 7, since the display module 500 is originally grounded, the shielding layer 343 of the inflection region 312 is connected to the display module 500, so that the common ground range of the touch module 300 and the touch device can be increased, the touch module 300 and the touch device have more electrostatic discharge channels, and the electrostatic protection capability of the touch module 300 and the touch device is increased.
In another embodiment, a cross-sectional structure of a longitudinal cross section of a right portion of the touch device is shown in fig. 8, and includes a cover plate 100, a first optical adhesive layer 200, a touch module 300, a second optical adhesive layer 400, and a display module 500, which are sequentially stacked, where the touch module 300 includes a first electrode layer 330, a second electrode layer 340, and an insulating layer 350, the insulating layer 350 is sandwiched between the first electrode layer 330 and the second electrode layer 340, the first electrode layer 330 is close to the second optical adhesive layer 400, and the second electrode layer 340 is close to the first optical adhesive layer 200. The first electrode layer 330 has a first ground line 332 led out from the inflection region 312, and the second electrode layer 340 has a second ground line 345 and a shielding layer 343 connected to each other led out from the inflection region 312. In addition, a first isolation protective layer 361 is arranged on the front surface of the reverse-folding region 312, a second isolation protective layer 362 is arranged on the back surface of the reverse-folding region 312, the first isolation protective layer 361 is in contact connection with a shielding layer 343 arranged on the reverse-folding region 312 of the second electrode layer 340, the second isolation protective layer 362 is in contact connection with a first ground wire 332 of the first electrode layer 330, an opening 363 is arranged at one end of the first isolation protective layer 361 far away from the effective induction region 311, a flexible circuit board 365 is arranged in the opening 363, and the shielding layer 343 is connected with the system board through the flexible circuit board 365 so as to be grounded. The structure of the shield layer 343 connected to the flexible circuit board 365 is shown in fig. 9.
In the embodiment shown in fig. 8 and 9, since the system board is originally grounded, the shielding layer 343 of the inflection region 312 is connected to the system board, so as to increase the common ground range of the touch module 300 and the touch device, so that the touch module 300 and the touch device have more electrostatic discharge channels, and the electrostatic protection capability of the touch module 300 and the touch device is increased.
In addition, the display module 500 in the touch device of the present invention includes two types, i.e., an LCM module and an organic light emitting display module (OLED), in one embodiment, according to the display principle of the display module 500, the display module 500 may be an LCM module, the LCM module includes a backlight module and a liquid crystal layer, the backlight module serves as a backlight source of the display module 500 to provide light for the display module 500, and the liquid crystal layer may function as a light valve to control the emission of the light of the backlight source through the cooperation with a polarizer. In another embodiment, the display module 500 may be an organic light emitting display module (OLED), which is a self-luminous display module and may include a plurality of Organic Light Emitting Diodes (OLEDs) for emitting light, the organic light emitting diodes including an anode, a cathode, and an organic light emitting layer between the anode and the cathode.
According to the touch module 300 and the touch device provided by the invention, the inflection region 312 is arranged in the touch module 300, and the first electrode layer 330, the second electrode layer 340 and the insulating layer 350 can be inflected in the inflection region 312, so that the conductive region at the side edge can be inflected to the back surface of the touch module 300, the conductive region is prevented from occupying too much space on the front surface of the touch module 300, and a foundation is laid for realizing the design of a narrow frame of electronic arrangement. In addition, the first electrode pattern 331 extending along the first direction is disposed on the first electrode layer 330, the second electrode pattern 341 extending along the second direction is disposed on the second electrode layer 340, the first electrode pattern 331 extends along the first direction in the inflection region 312, and the metal shielding mesh 342 is fully distributed on the second electrode layer 340 in the inflection region 312, so that the anti-static protection can be performed in the inflection region 312, and the touch module 300 and the touch device of the present invention can achieve both the narrow frame and the static protection.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. A touch module is characterized by comprising a sensing area and a conductive area, wherein the sensing area comprises an effective sensing area and a reverse folding area, the reverse folding area is positioned on the side edge of the effective sensing area, and a first electrode layer, a second electrode layer and an insulating layer can be reversely folded in the reverse folding area so as to reversely fold the conductive area to the back of the touch module; the touch module comprises:
the first electrode layer is provided with a first electrode pattern extending along a first direction in the sensing area;
the second electrode layer is provided with a second electrode pattern extending along a second direction in an effective induction area, the second electrode layer is fully distributed with a metal shielding net in a reverse folding area, the second electrode layer is provided with a ground wire in a conductive area, and the metal shielding net is connected with the ground wire; and
the insulating layer is clamped between the first electrode layer and the second electrode layer;
a T-shaped structure is arranged in the second electrode layer, a ground wire of a conductive area of the second electrode layer extends to the inflection area, and the metal shielding net is connected with the ground wire of the second electrode layer through the T-shaped structure;
the conductive area comprises a first conductive area and a second conductive area which are mutually connected, the first conductive area is positioned on one side edge of the touch module, the second conductive area is positioned at the bottom of the touch module, the inflection area is positioned between the effective induction area and the first conductive area, the first conductive area can be inflected to the back surface of the touch module, and the ground wire of the first conductive area of the second electrode layer extends to the inflection area; the T-shaped structure is positioned between the second conductive area of the second electrode layer and the effective sensing area; and the first conductive region of the second electrode layer and the metal shielding net of the inflection region jointly form a shielding layer.
2. The touch module of claim 1, wherein a first ground line is led out from the first electrode layer in the inflection region, a second ground line and a shielding layer which are connected with each other are led out from the second electrode layer in the inflection region, and the front surface and the back surface of the inflection region are both provided with the isolation protection layers.
3. The touch module of claim 2, wherein the isolation protection layer in contact connection with the shielding layer has an opening at an end away from the active sensing area, and the shielding layer is grounded through the opening.
4. The touch module of claim 3, wherein a conductive tape is disposed in the opening, and the shielding layer is connected to the display module through the conductive tape and further grounded; or a flexible circuit board is arranged in the opening, and the shielding layer is connected with the system board through the flexible circuit board so as to be grounded.
5. The touch module of claim 2, wherein in the inflection region, the second ground line of the second electrode layer is stacked with the shielding layer.
6. The touch module of claim 5, wherein the inflection region and the first conductive region have a two-layer structure of an ITO layer and a conductive silver paste layer, the metal shielding mesh is disposed on the ITO layer, and the second ground is disposed on the conductive silver paste layer.
7. The touch module of claim 1, wherein the first electrode layer is a driving electrode layer and the second electrode layer is a sensing electrode layer; or, the first electrode layer is an induction electrode layer, and the second electrode layer is a driving electrode layer.
8. A touch device, comprising a cover plate, a first optical adhesive layer, the touch module of any one of claims 1-7, a second optical adhesive layer and a display module, which are sequentially stacked.
9. The touch device of claim 8, wherein the first electrode layer is adjacent to the second optical adhesive layer, the second electrode layer is adjacent to the first optical adhesive layer, and the metal shielding mesh can be connected to a system board and then grounded.
10. The touch device of claim 8, wherein the first electrode layer is adjacent to the first optical adhesive layer, the second electrode layer is adjacent to the second optical adhesive layer, and the metal shielding mesh is capable of being connected to the display module and further grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083177.8A CN111273817B (en) | 2020-02-08 | 2020-02-08 | Touch module and touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083177.8A CN111273817B (en) | 2020-02-08 | 2020-02-08 | Touch module and touch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111273817A CN111273817A (en) | 2020-06-12 |
| CN111273817B true CN111273817B (en) | 2022-07-22 |
Family
ID=70999276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010083177.8A Active CN111273817B (en) | 2020-02-08 | 2020-02-08 | Touch module and touch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111273817B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112416167A (en) * | 2020-11-17 | 2021-02-26 | 业成光电(无锡)有限公司 | Touch display module and electronic equipment |
| CN114690957B (en) * | 2022-03-31 | 2023-03-31 | 业成科技（成都）有限公司 | Embedded touch display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201447710A (en) * | 2013-06-03 | 2014-12-16 | Shih Hua Technology Ltd | Touch panel |
| CN107526478A (en) * | 2017-09-08 | 2017-12-29 | 业成科技（成都）有限公司 | Touch control display apparatus |
| CN108363523A (en) * | 2018-02-08 | 2018-08-03 | 业成科技（成都）有限公司 | Touch control display apparatus |
| CN208954073U (en) * | 2018-08-31 | 2019-06-07 | 牧东光电科技有限公司 | A kind of novel touch screen of deflection |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6239880B1 (en) * | 1998-04-10 | 2001-05-29 | Xerox Corporation | Memory management system for a printing system |
| KR101975535B1 (en) * | 2012-09-11 | 2019-05-08 | 삼성디스플레이 주식회사 | flexible touch screen panel |
| TWI489336B (en) * | 2012-11-22 | 2015-06-21 | Wintek Corp | Touch panel and touch display module thereof |
| KR102241773B1 (en) * | 2014-12-18 | 2021-04-19 | 삼성디스플레이 주식회사 | Touch sensor device |
| CN105843449A (en) * | 2016-03-28 | 2016-08-10 | 深圳市国显科技有限公司 | Narrow frame touch module |
| CN108037857B (en) * | 2017-12-21 | 2020-12-08 | 业成科技（成都）有限公司 | touch display panel |
| CN108254962B (en) * | 2018-03-07 | 2021-04-13 | 业成科技（成都）有限公司 | Narrow-frame liquid crystal display device |
-
2020
- 2020-02-08 CN CN202010083177.8A patent/CN111273817B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201447710A (en) * | 2013-06-03 | 2014-12-16 | Shih Hua Technology Ltd | Touch panel |
| CN107526478A (en) * | 2017-09-08 | 2017-12-29 | 业成科技（成都）有限公司 | Touch control display apparatus |
| CN108363523A (en) * | 2018-02-08 | 2018-08-03 | 业成科技（成都）有限公司 | Touch control display apparatus |
| CN208954073U (en) * | 2018-08-31 | 2019-06-07 | 牧东光电科技有限公司 | A kind of novel touch screen of deflection |
Non-Patent Citations (1)
| Title |
|---|
| 触控面板FPC改型设计;凡春芳等;《科技致富向导》;20101205(第35期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111273817A (en) | 2020-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11287922B2 (en) | Display device with touch panel having X, Y and dummy electrodes | |
| US10162445B2 (en) | Electrode sheet for pressure detection and pressure detecting module including the same | |
| US10672566B2 (en) | Touch window having improved electrode pattern structure | |
| US8421755B2 (en) | Capacitive touch sensor with integral EL backlight | |
| US9857903B2 (en) | In-cell OLED touch display structure with high light penetration rate | |
| US9690440B2 (en) | Touch screen panel | |
| KR100451775B1 (en) | Touch panel | |
| US10156919B2 (en) | In-cell touch display structure | |
| KR20180136031A (en) | Display apparatus | |
| CN110737369A (en) | Touch panel device and display device | |
| CN111273817B (en) | Touch module and touch device | |
| US20180203552A1 (en) | Display screen and display device | |
| US20130162572A1 (en) | Touch panel | |
| US8605040B2 (en) | Input device and display device with input function | |
| CN109669569B (en) | Touch display screen, manufacturing method thereof and electronic equipment | |
| JP2013077305A (en) | Display device and electronic apparatus | |
| KR102741567B1 (en) | Electronic panel and display device comprising the same | |
| US20200192511A1 (en) | Narrow border touch display apparatus | |
| KR20150117081A (en) | Touch panel | |
| CN114550583A (en) | Display module, touch display module and electronic equipment | |
| US10838531B2 (en) | Touchscreen panel | |
| CN110321032B (en) | Display panel and display device | |
| WO2024185379A1 (en) | Touch panel | |
| CN120130165A (en) | Display panel and display device | |
| JP2009042766A (en) | Display device with input function and electronic device using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |