CN111433718A - Curved surface touch control induction device and forming method thereof - Google Patents
Curved surface touch control induction device and forming method thereof Download PDFInfo
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- CN111433718A CN111433718A CN201780097418.0A CN201780097418A CN111433718A CN 111433718 A CN111433718 A CN 111433718A CN 201780097418 A CN201780097418 A CN 201780097418A CN 111433718 A CN111433718 A CN 111433718A
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- curved
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- 238000000034 method Methods 0.000 title claims description 26
- 230000006698 induction Effects 0.000 title claims description 10
- 239000000758 substrate Substances 0.000 claims abstract description 63
- 238000001746 injection moulding Methods 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims description 67
- 239000007924 injection Substances 0.000 claims description 67
- 239000004020 conductor Substances 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 13
- 238000010146 3D printing Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 12
- 238000004891 communication Methods 0.000 claims 3
- 238000004381 surface treatment Methods 0.000 claims 2
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacture Of Switches (AREA)
- Position Input By Displaying (AREA)
Abstract
A curved touch sensing device (100), comprising: the touch screen comprises a curved substrate (10) and a touch electrode assembly (30), wherein the curved substrate (10) is provided with an inner surface (13) and an outer surface (11), the outer surface (11) is a touch operation surface, the touch electrode assembly (30) is arranged on the inner surface (13) in an injection molding mode, and the touch electrode assembly (30) senses touch operation on the touch operation surface to generate a sensing signal. The touch electrode assembly (30) is directly formed on the curved substrate (10) in an injection molding mode, the forming mode is simple, and the forming effect is good.
Description
The application relates to the field of curved surface touch processing, in particular to a curved surface touch sensing device and a forming method thereof.
With the development of scientific technology, touch input is one of the necessary tools for users to interact with various information with terminal equipment. The touch input is divided into a planar touch and a curved touch. The existing processing modes of curved surface touch control are mainly divided into two types, and the first processing mode is as follows: the touch pattern is processed on the plane and then attached to the curved surface, and the defect that the touch pattern can only be similar to the curved surface and the curvature and the like of the touch pattern cannot be completely consistent with the curved surface is overcome. The second processing mode is as follows: and directly processing a touch pattern on the curved surface. However, due to the limitation of the existing processing equipment, it is currently impossible to directly process the touch pattern on the curved surface.
Disclosure of Invention
The embodiment of the application discloses a curved surface touch sensing device and a forming method thereof, which can realize the direct forming of a touch electrode assembly on a curved surface substrate so as to solve the problems.
The curved surface touch-control induction system that this application embodiment discloses includes: the touch control electrode assembly is arranged on the inner surface in an injection molding mode, and the touch control electrode assembly induces touch control operation on the outer surface to generate an induction signal.
The embodiment of the application discloses a forming method, which is applied to a curved surface touch control induction device and comprises the following steps: providing a curved substrate, wherein the curved substrate is provided with an inner surface and an outer surface, the outer surface is a touch control operation surface, and the inner surface is provided with at least one injection groove; providing a mold core, wherein the mold core is matched with the inner surface of the curved substrate and covers the at least one injection groove to form a cavity for injecting the conductive material; and injecting a conductive material into the cavity to form a touch electrode assembly, wherein the touch electrode assembly induces a touch operation on the outer surface to generate an induction signal.
The touch electrode assembly can be directly formed on the inner surface of the curved surface base body in an injection molding mode, the forming mode is simple, and the forming effect is good.
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a curved touch sensing device according to an embodiment of the present disclosure.
Fig. 2 is a schematic cross-sectional view of a curved touch sensing device in an embodiment of the present application, taken along a direction II-II, after two curved substrates are spliced together.
Fig. 3 is a schematic cross-sectional view of a curved substrate of a curved touch sensing device according to an embodiment of the present disclosure.
Fig. 4 is a schematic cross-sectional view of the curved substrate shown in fig. 3 after being engaged with a mold core according to an embodiment of the present disclosure.
Fig. 5 is a schematic cross-sectional view of the curved substrate shown in fig. 4 after a conductive material is injected and the mold core is removed according to an embodiment of the present disclosure.
Fig. 6 is a flowchart illustrating a forming method of a curved touch sensing device according to an embodiment of the present disclosure.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a curved touch sensing device 100 according to an embodiment of the present disclosure. The curved touch sensing device 100 is in a spherical shape. The curved touch sensing device 100 includes two curved substrates 10 and two touch electrode assemblies 30.
In the present embodiment, it can be understood that each of the curved substrates 10 is in the form of a hemispherical shell, and the thickness thereof is substantially uniform. The two curved surface matrixes 10 are oppositely buckled and then are in a spherical shape. In other embodiments, each of the curved substrates 10 has a semi-ellipsoidal shell shape, and the thickness thereof is also substantially uniform. The two curved surface matrixes 10 are buckled oppositely to form an ellipsoid. In another embodiment, the curved substrate 10 may be a curved substrate with other suitable shapes with a curvature greater than zero, and is not limited herein.
It is understood that in other embodiments, the curved touch sensing device 100 includes only one curved substrate 10 and only one touch electrode assembly 30. That is, the curved touch sensing device 100 is shaped like a hemisphere or a semi-ellipsoid as a whole. The specific setting can be according to actual need, and is not limited here.
Referring also to fig. 2, each of the curved substrates 10 has an outer surface 11 and an inner surface 13 disposed opposite to each other. The outer surface 11 is a touch control operation surface. Each touch electrode assembly 30 is disposed on the inner surface 13 of one of the curved substrates 10 by injection molding. The touch electrode assembly 30 senses a touch operation on the outer surface 11 to generate a corresponding sensing signal.
Optionally, the curved touch sensing device 100 further includes a controller (not shown). The touch electrode assembly 30 is electrically connected to the controller, and the controller responds to the sensing signal and identifies the current touch position of the outer surface 11 according to the sensing signal. Specifically, when the curved touch sensing device 100 includes two curved substrates 10 and two touch electrode assemblies 30, the number of the controllers is also two. Each controller controls a set of touch electrode assemblies 30. Similarly, when the curved touch sensing device 100 includes one curved substrate 10 and one touch electrode assembly 30, the number of the controllers is one.
Specifically, the curved substrate 10 is made of one or more of a material selected from a poly-p-phenylene-terephtalate material, a polymethyl methacrylate material, glass, or other suitable high temperature-resistant insulating material, and is not limited herein.
Specifically, the touch electrode assembly 30 is formed by processing an injection groove 131 on the inner surface 13 in advance, injecting a conductive material 133 into the injection groove 131, and curing the conductive material.
Specifically, the injection groove 131 is manufactured by the following method: machining, injection molding, 3D printing, or other suitable processing means.
Specifically, the machining mode is as follows: the at least one injection groove 131 is cut into the inner surface 13 of the curved substrate 10. Wherein the machining precision is within +/-0.05 mm.
Specifically, the injection molding method is as follows: the curved substrate 10 is formed by injection molding, the curved substrate 10 has an inner surface 13 and an outer surface 11, the outer surface 11 is a touch control operation surface, and the inner surface 13 of the curved substrate 10 is provided with at least one injection groove 131.
Specifically, the 3D printing mode is: the curved substrate 10 is formed by 3D printing, the curved substrate 10 is provided with an inner surface 13 and an outer surface 11, the outer surface 11 is a touch operation surface, and the inner surface 13 of the curved substrate 10 is provided with at least one injection groove 131.
Specifically, the curved substrate 10 includes a first end 15 and a second end 17 disposed opposite each other. The curved substrate 10 is provided with an inlet 151 at the first end 15. The injection port 151 is disposed to communicate with the at least one injection groove 131, and the conductive material 133 is injected from the injection port 151 into the at least one injection groove 131 and is cured. The conductive material 133 is at least one of silver paste or carbon paste.
Optionally, the curved substrate 10 is provided with an overflow outlet 171 at the second end 17. The overflow outlet 171 is communicated with the at least one injection slot 131, after the conductive material 133 injected into the injection slot 131 fills the injection slot 131, an excess portion overflows through the overflow outlet 171, so that the conductive material 133 can completely fill the injection slot 131, and the excess portion can be recycled after overflowing through the overflow outlet 171, thereby avoiding material waste.
Alternatively, when the conductive material 133 is injected into the injection groove 131, a negative pressure is increased at the overflow opening 171 to cause the conductive material 133 to quickly fill the at least one injection groove 131.
Specifically, in this embodiment, each injection slot 131 extends from the first end 15 to the second end 17 of the curved substrate 10, and a plurality of injection slots 131 are arranged at intervals along the longitudinal direction of the curved substrate 10.
Alternatively, in other embodiments, each of the input wells 131 extends in a capillary-like manner from the first end 15 to the second end 17 of the curved substrate 10.
It is understood that, in other embodiments, the distribution and shape of the injection groove 131 are determined by the electrode and lead patterns of the touch electrode assembly 30, and it is sufficient that one end of the injection groove 131 is communicated with the injection opening 151 and the other end of the injection groove is communicated with the overflow opening 171, and any portion of the injection groove 131 is ensured to be filled with the conductive material 133.
Referring to fig. 3, 4, 5 and 6, fig. 6 is a schematic flow chart illustrating a forming method of the curved touch sensing device 100 according to an embodiment of the present disclosure. The forming method is applied to the curved touch sensing device 100, and the execution sequence is not limited to the sequence shown in fig. 6. The method comprises the following steps:
step 601: providing a curved substrate 10, wherein the curved substrate 10 has an inner surface 13 and an outer surface 11, the outer surface 11 is a touch control operation surface, and at least one injection groove 131 is formed in the inner surface 13.
Specifically, each of the curved substrates 10 has an outer surface 11 and an inner surface 13 disposed opposite to each other. The outer surface 11 is a touch control operation surface. Each touch electrode assembly 30 is disposed on the inner surface 13 of one of the curved substrates 10 by injection molding.
Specifically, the curved substrate 10 is made of one or more of a material selected from a poly-p-phthalic material, a polymethyl methacrylate material, glass, or other suitable high temperature-resistant insulating material.
Specifically, the touch electrode assembly 30 is formed by processing an injection groove 131 on the inner surface 13 in advance, injecting a conductive material 133 into the injection groove 131, and curing the conductive material.
Specifically, the injection groove 131 is manufactured by the following method: machining, injection molding, 3D printing, or other suitable processing means.
Specifically, in this embodiment, each injection slot 131 extends from the first end 15 to the second end 17 of the curved substrate 10, and a plurality of injection slots 131 are arranged at intervals along the longitudinal direction of the curved substrate 10.
Specifically, the curved substrate 10 includes a first end 15 and a second end 17 disposed opposite each other. The curved substrate 10 is provided with an inlet 151 at the first end 15. The injection port 151 is disposed to communicate with the at least one injection groove 131, and the conductive material 133 is injected from the injection port 151 into the at least one injection groove 131 and is cured. The conductive material 133 is at least one of silver paste or carbon paste.
Optionally, the curved substrate 10 is provided with an overflow outlet 171 at the second end 17. The overflow outlet 171 is communicated with the at least one injection slot 131, after the conductive material 133 injected into the injection slot 131 fills the injection slot 131, an excess portion overflows through the overflow outlet 171, so that the conductive material 133 can completely fill the injection slot 131, and the excess portion can be recycled after overflowing through the overflow outlet 171, thereby avoiding material waste.
Step 602: a mold core 200 is provided, the mold core 200 is matched with the inner surface 13 of the curved substrate 10 and covers the at least one injection groove 131 to form a cavity 135 for injecting the conductive material 133.
Specifically, the mold core 200 may be made of a silicone rubber or a rubber material with a sealing property, and has a certain sealing property, so that the position of the injection groove 131 can be tightly pressed when the conductive material 133 is injected under pressure, and defects such as flash are avoided.
Step 603: a conductive material 133 is injected into the cavity 135 to form the touch electrode assembly 30.
Specifically, the conductive material 133 is silver paste or carbon paste, which has certain fluidity at normal temperature and can be cured by heating. Wherein the curing parameters are mainly related to the material itself.
Specifically, when the conductive material 133 is injected, a negative pressure is increased at the overflow opening 171, so that the conductive material 133 flows through the injection groove 131 from the injection opening 151 and an excess portion overflows and is recovered from the overflow opening 171.
Specifically, after the conductive material 133 injected into the groove 131 is cured, the mold core 200 is removed, and the touch electrode assembly 30 is molded.
Step 604: the touch electrode assembly 30 senses a touch operation on the outer surface 11 to generate a sensing signal.
Step 605: and responding to the sensing signal and identifying the current touch position of the outer surface 11 according to the sensing signal.
Specifically, the controller responds to the sensing signal and identifies the current touch position of the outer surface 11 according to the sensing signal.
According to the touch electrode assembly 30, the touch electrode assembly can be directly formed on the curved substrate 10 in an injection molding mode, the forming mode is simple, and the forming effect is good.
The foregoing is a preferred embodiment of the present application and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application and these are considered to be within the scope of the present application.
Claims (20)
- The curved surface touch sensing device is characterized by comprising: the touch control electrode assembly is arranged on the inner surface in an injection molding mode, and the touch control electrode assembly induces touch control operation on the outer surface to generate an induction signal.
- The curved touch sensing device as recited in claim 1, further comprising a controller, wherein the touch electrode assembly is electrically connected to the controller, and wherein the controller is responsive to the sensing signal and identifies a current touch location on the outer surface based on the sensing signal.
- The curved touch sensing device of claim 1, wherein the curved substrate is in the shape of a hemispherical shell or a semi-ellipsoidal shell.
- The curved touch sensitive device of claim 1, wherein the curved substrate is made of one or more of a poly (p-phenylene terephtalate) material, a poly (methyl methacrylate) material, glass, or other high temperature resistant insulating material.
- The curved touch sensing device of claim 1, wherein the curved substrate has at least one injection groove formed in an inner surface thereof, and the touch electrode assembly is formed by curing a conductive material injected into the at least one injection groove.
- The curved touch sensing device as claimed in claim 5, wherein the curved substrate comprises a first end and a second end opposite to each other, the curved substrate has an injection port at the first end, the injection port is communicated with the at least one injection groove, and the conductive material is injected into the at least one injection groove through the injection port.
- The curved touch sensing device of claim 6, wherein the curved substrate has an overflow opening at the second end, the overflow opening is in communication with the at least one injection slot, and a portion of the conductive material injected into the injection slot overflows through the overflow opening.
- The curved touch sensing device of any one of claims 5 to 7, wherein the conductive material is at least one of silver paste or carbon paste.
- The curved touch sensing device of claim 6, wherein each injection slot extends from the first end to the second end of the curved substrate.
- The curved touch sensing device of claim 6, wherein each injection well extends in a capillary-like manner from the first end to the second end of the curved substrate.
- A molding method is applied to a curved surface touch control induction device and comprises the following steps:providing a curved substrate, wherein the curved substrate is provided with an inner surface and an outer surface, the outer surface is a touch control operation surface, and the inner surface is provided with at least one injection groove;providing a mold core, wherein the mold core is matched with the inner surface of the curved substrate and covers the at least one injection groove to form a cavity for injecting the conductive material;injecting a conductive material into the cavity to form a touch electrode assembly;the touch electrode assembly senses touch operation on the touch operation surface to generate a sensing signal.
- The molding method of claim 11, further comprising the steps of:providing a controller, wherein the touch electrode assembly is electrically connected with the controller;and the controller responds to the induction signal and identifies the current touch position on the touch control operation surface according to the induction signal.
- The molding method according to claim 11, wherein after the step of injecting a conductive material into the cavity to form the touch electrode assembly, the molding method further comprises the steps of:curing the conductive material and removing the mandrel.
- The molding process of claim 11 wherein prior to the step of providing a core, the molding process further comprises the steps of: and performing surface treatment on the mold core to reduce the surface energy of the mold core, so that the adhesion between the conductive material and the mold core is reduced.
- The molding method according to claim 14, wherein the surface treatment is spraying a high water drop angle material on the surface of the core.
- The method of claim 11, wherein the curved substrate has a first end and a second end disposed opposite one another, the curved substrate having a sprue disposed on the first end, the sprue being in communication with the at least one injection channel, the method further comprising the steps of: and injecting the conductive material from the injection port to the at least one injection groove.
- The molding method of claim 16, wherein said curved substrate is provided with an overflow outlet at said second end, and said at least one injection groove is respectively provided in communication with said overflow outlet, said molding method further comprising the steps of: the part of the conductive material injected into the injection groove overflows through the overflow outlet.
- The molding method of claim 17, further comprising the steps of: when the conductive material is injected into the injection groove, negative pressure is increased at the overflow port, so that the conductive material is enabled to quickly fill the at least one injection groove.
- The molding method according to claim 11, wherein said inner surface is provided with at least one injection groove, in particular: and cutting the inner surface of the curved substrate by means of mechanical machining to form the at least one injection groove.
- The molding method according to claim 11, wherein providing a curved substrate having an inner surface and an outer surface, the outer surface being a touch control surface, the inner surface having at least one injection groove "specifically includes: the curved surface base body is formed in an injection molding or 3D printing mode, the curved surface base body is provided with an inner surface and an outer surface, the outer surface is a touch control operation surface, and at least one injection groove is formed in the inner surface of the curved surface base body.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/119147 WO2019127163A1 (en) | 2017-12-27 | 2017-12-27 | Curved-surface touch-control sensing device and moulding method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111433718A true CN111433718A (en) | 2020-07-17 |
Family
ID=67062872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780097418.0A Pending CN111433718A (en) | 2017-12-27 | 2017-12-27 | Curved surface touch control induction device and forming method thereof |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN111433718A (en) |
| TW (1) | TW201928633A (en) |
| WO (1) | WO2019127163A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187793B (en) * | 2019-05-31 | 2022-10-18 | 业成科技（成都）有限公司 | Spherical touch device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103823595A (en) * | 2014-03-13 | 2014-05-28 | 南昌欧菲光科技有限公司 | Touch screen preparation method |
| CN104156117A (en) * | 2014-08-18 | 2014-11-19 | 信利光电股份有限公司 | Touch panel, method for manufacturing touch panel and touch device |
| TW201614446A (en) * | 2014-10-14 | 2016-04-16 | Hon Hai Prec Ind Co Ltd | Curved surface touch device and manufacturing method for curved surface touch device |
| CN105955549A (en) * | 2016-07-01 | 2016-09-21 | 信利光电股份有限公司 | Curved surface touch display module, manufacturing method thereof and electronic equipment |
| CN206532278U (en) * | 2015-09-28 | 2017-09-29 | 双叶电子工业株式会社 | Touch panel |
| CN107300998A (en) * | 2017-06-15 | 2017-10-27 | 昆山龙腾光电有限公司 | Contact panel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135865B (en) * | 2011-11-29 | 2016-06-01 | 天津富纳源创科技有限公司 | touch module and preparation method thereof |
| CN105022520A (en) * | 2014-04-30 | 2015-11-04 | 群创光电股份有限公司 | Touch panel and touch display apparatus |
| CN203799363U (en) * | 2014-05-05 | 2014-08-27 | 深圳市超维实业有限公司 | Touch device with touchable curved surface |
-
2017
- 2017-12-27 CN CN201780097418.0A patent/CN111433718A/en active Pending
- 2017-12-27 WO PCT/CN2017/119147 patent/WO2019127163A1/en active Application Filing
-
2018
- 2018-12-07 TW TW107144020A patent/TW201928633A/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103823595A (en) * | 2014-03-13 | 2014-05-28 | 南昌欧菲光科技有限公司 | Touch screen preparation method |
| CN104156117A (en) * | 2014-08-18 | 2014-11-19 | 信利光电股份有限公司 | Touch panel, method for manufacturing touch panel and touch device |
| TW201614446A (en) * | 2014-10-14 | 2016-04-16 | Hon Hai Prec Ind Co Ltd | Curved surface touch device and manufacturing method for curved surface touch device |
| CN206532278U (en) * | 2015-09-28 | 2017-09-29 | 双叶电子工业株式会社 | Touch panel |
| CN105955549A (en) * | 2016-07-01 | 2016-09-21 | 信利光电股份有限公司 | Curved surface touch display module, manufacturing method thereof and electronic equipment |
| CN107300998A (en) * | 2017-06-15 | 2017-10-27 | 昆山龙腾光电有限公司 | Contact panel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019127163A1 (en) | 2019-07-04 |
| TW201928633A (en) | 2019-07-16 |
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