CN112783356A - Three-dimensional sensing panel, manufacturing method thereof and electronic device - Google Patents
Three-dimensional sensing panel, manufacturing method thereof and electronic device Download PDFInfo
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- CN112783356A CN112783356A CN202010724407.4A CN202010724407A CN112783356A CN 112783356 A CN112783356 A CN 112783356A CN 202010724407 A CN202010724407 A CN 202010724407A CN 112783356 A CN112783356 A CN 112783356A
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- 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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/16—Homopolymers or copolymers of vinylidene fluoride
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
-
- 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
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
A three-dimensional sensing panel comprises a cover plate, a two-dimensional touch sensing module, a pressure sensing coating and a light-transmitting electrode layer. The cover plate is defined with a touch area and a peripheral area surrounding the touch area. The two-dimensional touch sensing module is arranged in the touch area. The pressure sensing coating is coated on one side of the two-dimensional touch sensing module, which is far away from the cover plate. The light-transmitting electrode layer is coated on one side, far away from the two-dimensional touch sensing module, of the pressure sensing coating layer. Because the pressure sensing coating and the light-transmitting electrode layer are sequentially formed on the two-dimensional touch sensing module by adopting a coating process, the use of the adhesive can be omitted, and the overall thickness and the manufacturing cost can be effectively reduced.
Description
Technical Field
The invention relates to a three-dimensional sensing panel, a manufacturing method thereof and an electronic device.
Background
With the diversified development of touch modules, the touch modules are already well-developed for industrial electronics and consumer electronics. From the need to determine the two-dimensional location (e.g., X-axis and Y-axis) of a touch point on the surface of the screen body, there is a move to the force parameter need to sense the change in force applied to the surface of the screen body (e.g., Z-axis). Even, the application requirement of matching flexible panel is inevitable.
However, in the conventional three-dimensional touch-pressure integrated panel, the pressure sensor is often hung on the upper side or the lower side of the two-dimensional touch panel, which is not only unable to be integrated in the manufacturing process, but also needs to use an additional adhesive (OCA). In addition, in the design of the externally-hung touch-press integrated panel, a transparent film is additionally manufactured to cover the pressure sensor for protection besides the cover plate, thereby requiring a plurality of processes and costs.
Therefore, how to provide a three-dimensional sensing panel capable of solving the above problems is one of the problems that the industry needs to invest in research and development resources to solve.
Disclosure of Invention
It is therefore an objective of the present invention to provide a three-dimensional sensing panel that can solve the above problems.
In order to achieve the above objects, according to one embodiment of the present invention, a three-dimensional sensing panel includes a cover plate, a two-dimensional touch sensing module, a pressure sensing coating layer, and a transparent electrode layer. The cover plate is defined with a touch area and a peripheral area surrounding the touch area. The two-dimensional touch sensing module is arranged in the touch area. The pressure sensing coating is coated on one side of the two-dimensional touch sensing module, which is far away from the cover plate. The light-transmitting electrode layer is coated on one side, far away from the two-dimensional touch sensing module, of the pressure sensing coating layer.
In one or more embodiments of the present invention, the pressure sensing coating comprises a polyvinylidene fluoride coating.
In one or more embodiments of the present invention, the pressure-sensing coating layer has a thickness of 7 μm to 10 μm.
In one or more embodiments of the present invention, the two-dimensional touch sensing module is an OGS-SITO type touch sensing module.
In one or more embodiments of the present invention, the transparent electrode layer is a silver nanowire electrode layer.
In one or more embodiments of the present invention, the value of L-axis of the CIELAB color space of the three-dimensional sensing panel is equal to or greater than 92.
In one or more embodiments of the present invention, the value of the a-axis of the CIELAB color space of the three-dimensional sensor panel is from-1.5 to about 1.5.
In one or more embodiments of the present invention, the b-axis of the CIELAB color space of the three-dimensional sensor panel has a value of-2 to 2.
In one or more embodiments of the present invention, the pressure-sensing coating layer includes a plurality of pressure-sensing blocks. The pressure-sensitive blocks are separated from each other.
In one or more embodiments of the present invention, the transparent electrode layer includes a plurality of electrode blocks. The electrode blocks are separated from each other and are respectively contacted with the pressure sensing blocks.
In order to achieve the above object, according to an embodiment of the present invention, an electronic device includes the three-dimensional sensing panel and a display module. The display module is arranged on one side of the light-transmitting electrode layer, which is far away from the pressure sensing coating.
To achieve the above object, according to an embodiment of the present invention, a method for manufacturing a three-dimensional sensing panel includes: arranging a two-dimensional touch sensing module on the cover plate; coating a polymer coating on one side of the two-dimensional touch sensing module, which is far away from the cover plate; drying the polymer coating; coating a light-transmitting electrode layer on one side of the dried polymer coating layer, which is far away from the two-dimensional touch sensing module; and polarizing the dried polymer coating to convert the dried polymer coating into a pressure sensing coating.
In one or more embodiments of the present invention, the step of coating the transparent electrode layer is performed before the step of polarizing the dried polymer coating.
In one or more embodiments of the present invention, the step of coating the transparent electrode layer is performed later than the step of polarizing the dried polymer coating.
In summary, in the three-dimensional sensing panel of the present invention, the two-dimensional touch sensing module is of an OGS structure, and the pressure sensing coating layer and the transparent electrode layer are sequentially formed on the two-dimensional touch sensing module by a coating process, so that the use of an adhesive can be omitted, thereby effectively reducing the overall thickness and the manufacturing cost. In addition, the two-dimensional touch sensing module adopting the OGS framework has smaller thickness than the two-dimensional touch sensing module adopting the GFF framework (i.e., the OGS framework uses the dielectric layer as a bridge to concentrate the touch sensing electrode layer in the thickness of a single plane, and simultaneously, the GFF framework is not required to use a multilayer structure and a lamination adhesive to stack the touch sensing electrode layer and the force transmission attenuation caused by the lamination adhesive), so that the two-dimensional touch sensing module adopting the OGS framework can provide excellent signal transmission characteristics, and is beneficial to the efficiency of extracting force signals.
The foregoing is merely illustrative of the problems to be solved, solutions to problems, and effects produced by the present invention, and specific details thereof are set forth in the following description and the related drawings.
Drawings
In order to make the aforementioned and other objects, features, and advantages of the invention, as well as others which will become apparent, reference is made to the following description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram illustrating an electronic device according to an embodiment of the invention;
FIG. 1A is a top view of the two-dimensional touch sensing module shown in FIG. 1;
FIG. 2 is a top view of a pressure sensing coating according to one embodiment of the present invention;
FIG. 3 is a graph showing a force magnitude-force signal strength curve of a three-dimensional sensing panel using an OGS type touch sensing module and a GFF type touch sensing module, respectively;
fig. 4 is a flowchart illustrating a method of manufacturing a three-dimensional sensing panel according to an embodiment of the invention.
[ notation ] to show
100 electronic device
110 cover plate
111 touch control area
112 peripheral area
120 shielding layer
130 optical matching layer
140 two-dimensional touch sensing module
141 first touch sensing electrode layer
141a first shaft conductive unit
142 dielectric layer
143 second touch sensing electrode layer
143a second shaft conductive unit
150 routing
160 pressure sensing coating
161 pressure sensitive block
170 transparent electrode layer
180 adhesive
190 display module
S101 to S105 step
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, for the sake of simplicity, some conventional structures and elements are shown in the drawings in a simple schematic manner.
Referring to fig. 1, a schematic diagram of an electronic device 100 according to an embodiment of the invention is shown. As shown in fig. 1, the electronic device 100 of the present embodiment is a touch display device, which includes a three-dimensional sensing panel and a display module 190. The display module 190 is disposed below the three-dimensional sensing panel.
Specifically, the three-dimensional sensing panel includes a cover plate 110, a shielding layer 120, an optical matching layer 130, and a plurality of traces 150 (only one is shown in fig. 1). The cover plate 110 defines a touch area 111 and a peripheral area 112 surrounding the touch area 111. The shielding layer 120 is disposed in the peripheral region 112 of the substrate. The optical matching layer 130 is disposed on the substrate and covers the shielding layer 120 to provide a flat upper surface in the touch region 111. The trace 150 is disposed on the optical matching layer 130 and located in the peripheral region 112 of the substrate. Therefore, when viewed from the bottom surface of the substrate, the shielding layer 120 can shield the trace 150 from the viewer.
In some embodiments, the material of the cover plate 110 includes glass, but the invention is not limited thereto.
Referring to fig. 1A, a top view of the two-dimensional touch sensing module 140 in fig. 1 is shown. As shown in fig. 1 and fig. 1A, the three-dimensional sensing panel further includes a two-dimensional touch sensing module 140. The two-dimensional touch sensing module 140 is disposed in the touch area 111 and includes a first touch sensing electrode layer 141, a dielectric layer 142, and a second touch sensing electrode layer 143. The first touch sensing electrode layer 141 is disposed on the optical matching layer 130, and includes a plurality of first axis conductive units 141A (shown in fig. 1A) separated from each other in the touch region 111 and respectively connected to the trace 150. The second touch sensing electrode layer 143 is disposed on the optical matching layer 130, and includes a plurality of second axis conductive units 143a separated from each other and crossing the first axis conductive unit 141a in the touch region 111. More specifically, the first axis conductive unit 141A may be a plurality of diamond electrodes connected in series to form a first axis conductive channel (as shown in fig. 1A), but is not limited to the shape of the electrode, and may also be a conductive unit with other electrode shapes, and the plurality of first axis conductive channels form the first touch sensing electrode layer 141; similarly, the second shaft conductive unit 143a may also be formed by connecting a plurality of diamond electrodes in series to form a second shaft conductive channel (as shown in fig. 1A), but is not limited to the shape of the electrode, and may also be formed by conductive units with other electrode shapes, and the plurality of second shaft conductive channels form the second touch sensing electrode layer 143.
The dielectric layer 142 covers the first shaft conductive unit 141a to electrically insulate the first shaft conductive unit 141a from the second shaft conductive unit 143 a. Therefore, a touch signal (e.g., a mutual capacitance sensing signal) between the first touch sensing electrode layer 141 and the second touch sensing electrode layer 143 can be extracted through the trace 150.
Specifically, the "first axis" and the "second axis" are, for example, two axes (for example, an X axis and a Y axis) perpendicular to each other. In other words, the first axis conductive units 141a are conductive traces extending along the first axis and may be arranged at intervals along the second axis. The second shaft conductive units 143a are conductive traces extending along the second shaft and may be arranged at intervals along the first shaft.
In addition, the second shaft conductive unit 143a crosses over the first shaft conductive unit 141a from above, and the dielectric layer 142 at least electrically insulates at the intersection between the first shaft conductive unit 141a and the second shaft conductive unit 143 a. Therefore, the first touch sensing electrode layer 141 and the second touch sensing electrode layer 143 are separated by the dielectric layer 142 to form a bridge-like structure, and thus the two-dimensional touch sensing module 140 of the present embodiment is an OGS-SITO (One Glass substrate single-sized ITO) type touch sensing module.
As shown in fig. 1, the three-dimensional sensing panel further includes a pressure sensing coating layer 160 and a transparent electrode layer 170 attached glue 180. The pressure sensing coating 160 is coated on a side of the two-dimensional touch sensing module 140 away from the cover plate 110. The transparent electrode layer 170 is coated on a side of the pressure sensing coating 160 away from the two-dimensional touch sensing module 140. The force signal generated by the pressure sensing coating 160 can be extracted through the transparent electrode layer 170.
In some embodiments, the material of the pressure-sensing coating 160 comprises polyvinylidene fluoride (PVDF). In other words, the pressure sensing coating 160 is a lattice piezoelectric material. When a stress is applied to the material in a certain direction to cause deformation, the size and direction of the dipole change, and the amount of charge changes, thereby generating a voltage.
In some embodiments, the pressure-sensing coating 160 has a thickness of about 7 μm to about 10 μm (preferably about 8 μm).
As can be seen from the above configuration, since the two-dimensional touch sensing module 140 adopts the OGS structure, and the pressure sensing coating 160 and the transparent electrode layer 170 are sequentially formed on the two-dimensional touch sensing module 140 by a coating process, the use of the adhesive for integrating the two-dimensional touch panel and the external pressure sensor in the known three-dimensional touch pressure integration panel can be omitted, so as to effectively reduce the overall thickness and the manufacturing cost.
Fig. 3 is a graph showing a force magnitude-force signal intensity curve of a three-dimensional sensing panel respectively using an OGS type touch sensing module and a GFF (Glass-Film) type touch sensing module. For example, the experimental target for making the graph shown in fig. 3 may be the three-dimensional sensing panel shown in fig. 1 and another three-dimensional sensing panel using the touch sensing die of the GFF architecture. As can be clearly seen from fig. 3, the strength of the force signal obtained by the three-dimensional sensing panel using the OGS type touch sensing module under the same force level is significantly greater than that of the three-dimensional sensing panel using the GFF type touch sensing module, which is beneficial to increasing the efficiency of extracting the force signal. The reason why the two-dimensional touch sensing module 140 adopting the OGS structure in the present embodiment provides excellent signal transmission characteristics is that the two-dimensional touch sensing module 140 has a small thickness, whereas the GFF type touch sensing module has a large thickness because the two films are bonded by the bonding adhesive. It can also be said that the GFF structure will cause the force transmission to be attenuated due to the excessive thickness of the multi-layer stack structure, so that the strength of the force signal extracted by the pressure sensor is less obvious.
As shown in fig. 1, the three-dimensional sensing panel further includes a bonding adhesive 180. The display module 190 is attached to the side of the transparent electrode layer 170 away from the pressure sensing coating 160 through the adhesive 180.
In some embodiments, the light-transmitting electrode layer 170 is a Silver Nanowire (SNW) electrode layer. In detail, the light-transmitting electrode layer 170 includes a matrix and a nano silver wire doped therein. The nano silver wires are mutually lapped in the matrix to form a conductive network. The matrix is non-nano silver wire substance formed by coating, heating, drying and other processes of the solution containing nano silver wires. The silver nanowires are dispersed or embedded in the matrix and partially protrude from the matrix. The matrix can protect the nano silver wires from the influence of external environments such as corrosion, abrasion and the like. In some embodiments, the matrix is compressible.
In some embodiments, the silver nanowires have a wire length of about 10 μm to about 300 μm. In some embodiments, the wire diameter (or line width) of the silver nanowires is less than about 500 nm. In some embodiments, the aspect ratio (ratio of wire length to wire diameter) of the silver nanowires is greater than 10. In some embodiments, the nano silver wire may be a deformed form of other conductive metal nanowire surface or non-conductive nanowire surface silver-plated substance. The nano silver wire electrode layer formed by the nano silver wire has the following advantages: compared with ITO, the ITO film has the advantages of low price, simple process, good flexibility, bending resistance and the like.
In some embodiments, at least one of the first touch sensing electrode layer 141 and the second touch sensing electrode layer 143 may be a nano silver wire electrode layer, a metal mesh, or an electrode layer including Indium Tin Oxide (ITO), but the invention is not limited thereto.
In some embodiments, the three-dimensional sensing panel has an optical transmittance of greater than 90% and a haze of less than 3%. In order to make the three-dimensional sensing panel meet the requirements of optical transmittance and haze, in some embodiments, at least one of the first touch sensing electrode layer 141 and the second touch sensing electrode layer 143 is a nano silver wire electrode layer.
In some embodiments, the value of the L-axis (i.e., the luminance axis) of the CIELAB color space detected by the color difference meter of the three-dimensional sensing panel is about 92 or more, but the invention is not limited thereto.
In some embodiments, the value of the a-axis (i.e., red-green axis) of the CIELAB color space detected by the color difference meter of the three-dimensional sensing panel is about-1.5 to about 1.5, but the invention is not limited thereto.
In some embodiments, the b-axis (i.e., the yellow-blue axis) of the CIELAB color space detected by the color difference meter of the three-dimensional sensing panel is about-2 to about 2, but the invention is not limited thereto.
Referring to fig. 2, a top view of a pressure-sensing coating 160 according to an embodiment of the invention is shown. As shown in fig. 2, the pressure sensing coating 160 includes a plurality of pressure sensing blocks 161. The pressure-sensitive blocks 161 are separated from each other and located in the touch area 111. The transparent electrode layer 170 includes a plurality of electrode blocks (not shown, the shape of the pressure-sensitive blocks 161 can be referred to). The electrode blocks are separated from each other and are in contact with the pressure sensing blocks 161, respectively. Therefore, the force signals generated by the individual pressure sensing blocks 161 can be extracted through the corresponding electrode blocks, so as to achieve the purpose of multi-finger pressure sensing.
Referring to fig. 4, a flow chart of a method for manufacturing a three-dimensional sensing panel according to an embodiment of the invention is shown. As shown in fig. 4, the panel manufacturing method includes steps S101 to S105.
In step S101, the two-dimensional touch sensing module is disposed on the cover plate.
In step S102, the polymer coating is coated on a side of the two-dimensional touch sensing module away from the cover plate.
In some embodiments, the step S102 may be performed by a printing process, but the invention is not limited thereto.
In step S103, the polymer coating is dried.
In some embodiments, the step S103 may be performed by baking the polymer coating at a temperature of about 60 degrees for about 30 minutes, and then annealing the polymer coating at a temperature of about 135 degrees for about 30 minutes, but the invention is not limited thereto.
In step S104, the transparent electrode layer is coated on a side of the dried polymer coating layer away from the two-dimensional touch sensing module.
In some embodiments, the step S104 may be performed by a spin coating process at a rotation speed of about 3000rpm, but the invention is not limited thereto.
In step S105, the dried polymer coating is polarized, so that the dried polymer coating is converted into a pressure sensing coating.
In some embodiments, the material of the polymeric coating comprises polyvinylidene fluoride. The dipole orientation is randomly oriented before the polymer coating has not been polarized. When the dried polymer coating is polarized, an electric field can be applied to the polymer coating, so that the dipole direction is arranged in the forward direction based on the magnetic lines of force of the electric field.
In this embodiment, the step of coating the transparent electrode layer (i.e., step S104) is earlier than the step of polarizing the dried polymer coating (i.e., step S105), but in other embodiments, the step of coating the transparent electrode layer is later than the step of polarizing the dried polymer coating.
As can be clearly seen from the above detailed description of the embodiments of the present invention, in the three-dimensional sensing panel of the present invention, the two-dimensional touch sensing module adopts the OGS structure, and the pressure sensing coating layer and the transparent electrode layer are sequentially formed on the two-dimensional touch sensing module by a coating process, so that the use of the adhesive can be omitted, thereby effectively reducing the overall thickness and the manufacturing cost. In addition, the two-dimensional touch sensing module adopting the OGS framework has smaller thickness than the two-dimensional touch sensing module adopting the GFF framework (i.e., the OGS framework uses the dielectric layer as a bridge to concentrate the touch sensing electrode layer in the thickness of a single plane, and simultaneously, the GFF framework is not required to use a multilayer structure and a laminating adhesive to stack the touch sensing electrode layer, so that the force transmission rate is reduced), so that the two-dimensional touch sensing module adopting the OGS framework can provide excellent signal transmission characteristics, and is beneficial to the efficiency of extracting force signals.
Although the present invention has been described with reference to the above embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (14)
1. A three-dimensional sensing panel, comprising:
the cover plate is defined with a touch area and a peripheral area surrounding the touch area;
a two-dimensional touch sensing module arranged in the touch area;
the pressure sensing coating is coated on one side of the two-dimensional touch sensing module, which is far away from the cover plate; and
and the light-transmitting electrode layer is coated on one side of the pressure sensing coating layer, which is far away from the two-dimensional touch sensing module.
2. The three-dimensional sensing panel according to claim 1, wherein the pressure sensing coating comprises a polyvinylidene fluoride coating.
3. The three-dimensional sensing panel according to claim 1, wherein the pressure-sensing coating layer has a thickness of 7 μm to 10 μm.
4. The three-dimensional sensing panel as claimed in claim 1, wherein the two-dimensional touch sensing module is an OGS-SITO type touch module.
5. The three-dimensional sensing panel according to claim 1, wherein the light-transmissive electrode layer is a silver nanowire electrode layer.
6. The three-dimensional sensing panel according to claim 1, wherein a value of L-axis of CIELAB color space of the three-dimensional sensing panel is equal to or greater than 92.
7. The three-dimensional sensing panel according to claim 1, wherein a value of a-axis of a CIELAB color space of the three-dimensional sensing panel is from-1.5 to about 1.5.
8. The three-dimensional sensing panel according to claim 1, wherein a value of b-axis of CIELAB color space of the three-dimensional sensing panel is-2 to 2.
9. The three-dimensional sensing panel according to claim 1, wherein the pressure-sensing coating layer comprises a plurality of pressure-sensing blocks, the plurality of pressure-sensing blocks being separated from each other.
10. The three-dimensional sensing panel according to claim 9, wherein the transparent electrode layer comprises a plurality of electrode blocks, the plurality of electrode blocks are separated from each other and are respectively in contact with the plurality of pressure-sensitive blocks.
11. An electronic device, comprising:
a three-dimensional sensing panel according to any one of claims 1 to 10; and
and the display module is arranged on one side of the light-transmitting electrode layer, which is far away from the pressure sensing coating.
12. A method for manufacturing a three-dimensional sensing panel, comprising:
arranging a two-dimensional touch sensing module on a cover plate;
coating a polymer coating on one side of the two-dimensional touch sensing module, which is far away from the cover plate;
drying the polymer coating;
coating a light-transmitting electrode layer on one side of the dried polymer coating layer, which is far away from the two-dimensional touch sensing module; and
polarizing the dried polymer coating layer to convert the dried polymer coating layer into a pressure sensing coating layer.
13. The method as claimed in claim 12, wherein the step of coating the transparent electrode layer is performed before the step of polarizing the baked polymer coating layer.
14. The method as claimed in claim 12, wherein the step of coating the transparent electrode layer is later than the step of polarizing the dried polymer coating.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724407.4A CN112783356A (en) | 2020-07-24 | 2020-07-24 | Three-dimensional sensing panel, manufacturing method thereof and electronic device |
| KR1020200132532A KR20220013284A (en) | 2020-07-24 | 2020-10-14 | Three-dimensional sensing panel and method of manufacturing the same and electronic apparatus |
| JP2020173835A JP2022022046A (en) | 2020-07-24 | 2020-10-15 | Three-dimensional detection panel and method for producing the same, and electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724407.4A CN112783356A (en) | 2020-07-24 | 2020-07-24 | Three-dimensional sensing panel, manufacturing method thereof and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112783356A true CN112783356A (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010724407.4A Pending CN112783356A (en) | 2020-07-24 | 2020-07-24 | Three-dimensional sensing panel, manufacturing method thereof and electronic device |
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| Country | Link |
|---|---|
| JP (1) | JP2022022046A (en) |
| KR (1) | KR20220013284A (en) |
| CN (1) | CN112783356A (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014045847A1 (en) * | 2012-09-20 | 2014-03-27 | 株式会社村田製作所 | Touch panel |
| WO2015048584A1 (en) * | 2013-09-27 | 2015-04-02 | Sensel , Inc. | Capacitive touch sensor system and method |
| JP6879826B2 (en) * | 2016-05-30 | 2021-06-02 | 日東電工株式会社 | Touch sensor |
| KR20180017852A (en) * | 2016-08-11 | 2018-02-21 | 주식회사 하이딥 | Force touch method in touch input device |
| KR102564349B1 (en) * | 2016-09-30 | 2023-08-04 | 엘지디스플레이 주식회사 | Organic light emitting display apparatus |
-
2020
- 2020-07-24 CN CN202010724407.4A patent/CN112783356A/en active Pending
- 2020-10-14 KR KR1020200132532A patent/KR20220013284A/en not_active Application Discontinuation
- 2020-10-15 JP JP2020173835A patent/JP2022022046A/en active Pending
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| KR20220013284A (en) | 2022-02-04 |
| JP2022022046A (en) | 2022-02-03 |
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