CN112578924A - Touch display panel and manufacturing method thereof - Google Patents
Touch display panel and manufacturing method thereof Download PDFInfo
- Publication number
- CN112578924A CN112578924A CN201910932296.3A CN201910932296A CN112578924A CN 112578924 A CN112578924 A CN 112578924A CN 201910932296 A CN201910932296 A CN 201910932296A CN 112578924 A CN112578924 A CN 112578924A
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- Prior art keywords
- touch
- antenna
- layer
- display panel
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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
- G06F3/0412—Digitisers structurally integrated in a display
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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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)
- Computer Networks & Wireless Communication (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention relates to a touch display panel and a manufacturing method thereof, wherein the touch display panel comprises a touch module, the touch module comprises a touch layer and an antenna unit, the touch layer is provided with a touch area and a non-touch area surrounding the periphery of the touch area, and the antenna unit is arranged on the outer surface of the touch layer corresponding to the non-touch area. In the touch display panel, the touch module comprises the touch layer and the antenna unit, the touch layer is provided with the touch area and the non-touch area surrounding the periphery of the touch area, the antenna unit is arranged on the outer surface of the touch layer corresponding to the non-touch area, the antenna is integrated on the outer surface of the touch layer and is arranged corresponding to the non-touch area, touch induction of the touch layer is not affected, meanwhile, enough installation space is provided, and the installation requirement of the 5G antenna is met.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a touch display panel and a manufacturing method thereof.
Background
The fifth Generation mobile communication technology (5th Generation mobile networks or 5th Generation with less systems, 5G or 5G technology for short) is the latest Generation cellular mobile communication technology, and is also an extension behind the 4G (LTE-A, WiMax), 3G (UMTS, LTE) and 2G (gsm) systems. The performance goals of 5G are high data rates, reduced latency, energy savings, reduced cost, increased system capacity, and large-scale device connectivity.
With the development of 5G technology, mobile phones, as a representative of mobile communications, inevitably lead to the trend of the 5G era. Moreover, as a 5G antenna which plays a role in signal transmission, the design is more complex, the number of the antennas is more and more, and the traditional mode of installing the antennas on the mobile phone shell cannot meet the installation requirements of the 5G antenna.
Disclosure of Invention
Based on this, it is necessary to provide a touch display panel that meets the requirement of 5G antenna installation.
A touch display panel comprises a touch module, wherein the touch module comprises a touch layer and an antenna unit, the touch layer is provided with a touch area and a non-touch area surrounding the periphery of the touch area, and the antenna unit is arranged on the outer surface of the touch layer corresponding to the non-touch area.
In the touch display panel, the touch module comprises the touch layer and the antenna unit, the touch layer is provided with the touch area and the non-touch area surrounding the periphery of the touch area, the antenna unit is arranged on the outer surface of the touch layer corresponding to the non-touch area, the antenna is integrated on the outer surface of the touch layer and is arranged corresponding to the non-touch area, touch induction of the touch layer is not affected, meanwhile, enough installation space is provided, and the installation requirement of the 5G antenna is met.
In one embodiment, the antenna unit includes an antenna body and an antenna lead, one end of the antenna lead is electrically connected to the antenna body, and the other end of the antenna lead is used for electrically connecting to a binding structure.
In one embodiment, the touch control device further comprises a display module, and the touch control module is arranged on the display module.
In one embodiment, the display module includes a display back plate and a package cover plate, the package cover plate is packaged on the display back plate, the touch layer is disposed on the package cover plate, and the antenna unit is disposed on a surface of the touch layer opposite to the package cover plate.
In one embodiment, the package cover plate has a non-package region and a package region surrounding the periphery of the non-package region and disposed along the edge of the display backplane, and the touch layer and the antenna leads are disposed corresponding to the non-package region.
In one embodiment, the antenna body is at least partially located in the encapsulation area.
In one embodiment, the antenna unit further includes an insulating layer, the antenna lead is disposed on the touch layer, the insulating layer is disposed between the antenna lead and the antenna main body, and the insulating layer is provided with a through hole, and the antenna main body is connected to the antenna lead through the through hole.
In one embodiment, the touch screen further comprises a protective cover plate, and the antenna unit is arranged between the protective cover plate and the touch layer.
The invention also provides a manufacturing method of the touch display panel, which comprises the following steps:
manufacturing a touch layer on a packaging cover plate of the display module;
arranging an antenna lead and an antenna main body electrically connected with the antenna lead on the touch layer;
the antenna main body is at least partially located in a packaging area of the packaging cover plate, and glass cement packaging is carried out on the packaging cover plate and the display bottom plate in the display module before the antenna main body is arranged.
In one embodiment, the step of disposing the antenna lead and the antenna main body electrically connected to the antenna lead on the touch layer includes:
arranging an antenna lead on the touch layer;
covering an insulating layer on the antenna lead, and forming a through hole on the insulating layer corresponding to the antenna lead;
and an antenna main body is arranged on the insulating layer and is electrically connected with the antenna lead through the through hole.
Drawings
Fig. 1 is a schematic structural diagram of a touch display panel according to an embodiment of the invention;
fig. 2 is a schematic cross-sectional view of the touch display panel shown in fig. 1.
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.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As described in the background art, the 5G antenna is complex in design and large in number, and the conventional mobile phone antenna mounting method cannot be applied to a 5G mobile phone. The inventor has found that the antenna arrangement can be transferred to other components of the handset, and that integrating part of the antenna into the touch screen is one of the options.
As shown in fig. 1-2, the present invention provides a touch display panel 100, which includes a display module 10 and a touch module 20, wherein the display module 10 is used for displaying images, and the touch module 20 is stacked on the display module 10 for sensing touch actions.
The display module 10 includes a display back plate 12 and a package cover plate 14, the display back plate 12 is used for displaying images, and the package cover plate 14 packages the display back plate 12 to prevent the display material on the display back plate 12 from being oxidized.
In some embodiments, the display backplane 12 comprises at least a driving layer group, a planarization layer, an anode, a pixel definition layer, an organic light emitting unit, and a cathode, which are sequentially disposed. In particular, in implementation, the encapsulation cover plate 14 covers the cathode, so as to encapsulate the display material in the display back plate 12. It should be noted that, since the structural configuration of the back plate 12 is not the focus of the present invention, the detailed structure and principle thereof are not described herein.
Further, the cover plate 14 has a non-sealing area 141 and a sealing area 143 (shown in fig. 1) surrounding the periphery of the non-sealing area 141 and disposed along the edge of the display backplane 12. The non-encapsulation area 141 corresponds to the display area on the display back panel 12 and is used for displaying an image in a light-transmitting manner; the packaging region 143 is disposed along the edge of the display backplane 12, and the surface of the packaging cover plate 14 facing the display backplane 12 is coated with glass cement corresponding to the packaging region 143, the glass cement is disposed between the packaging cover plate 14 and the display backplane 12 corresponding to the packaging region 143, and laser is irradiated to the packaging region 143 from the side of the packaging cover plate 14 back to the display backplane 12, and the glass cement is welded between the packaging cover plate 14 and the display backplane 12 by laser sintering, so as to complete display packaging. Specifically, the encapsulation area 143 is disposed in a quadrangular frame.
In some embodiments, the touch module 20 includes a touch layer 30 and an antenna unit 50, the touch layer 30 has a touch area and a non-touch area 33 surrounding a periphery of the touch area 31, the antenna unit 50 is disposed on an outer surface of the touch layer 30 corresponding to the non-touch area 33, and is configured to integrate an antenna on the outer surface of the touch layer 30 and correspond to the non-touch area 33, so as not to affect touch sensing of the touch layer 30, and at the same time, provide sufficient installation space to meet installation requirements of a 5G antenna. In an embodiment, the touch layer 30 is disposed on the package cover 14, and the antenna unit 50 is disposed on a surface of the touch layer 30 opposite to the package cover 14. That is, the touch layer 30 and the antenna unit 50 are integrated on the package cover 14 of the display module 10.
In one embodiment, the touch layer 30 includes touch electrodes (not shown) and electrode leads 34. The touch electrode is disposed in the touch area 31 for sensing a touch action. The electrode lead 34 is disposed in the non-touch area, and one end of the electrode lead 34 is electrically connected to the touch electrode, and the other end is electrically connected to the bonding area, so as to connect the touch electrode to the control circuit. Optionally, the touch electrode includes a driving electrode and a sensing electrode, and the touch layer 30 detects a touch point through a capacitance change between the sensing electrode and the touch electrode.
It is understood that the sensing electrode and the driving electrode can be transparent conductive materials, such as ITO (indium tin oxide), AgNW (nano silver wire), graphene, etc., and can also be Metal Mesh, such as Metal conductive layer of titanium, aluminum, silver, or molybdenum.
In some embodiments, the sensing electrodes and the driving electrodes may be in the shape of polygons such as diamonds, circles, or the like; in other embodiments, the sensing electrodes and the driving electrodes may also be in the shape of strips; in still other embodiments, the sensing electrodes and the driving electrodes may be partially in a polygonal shape such as a diamond shape, and the other part is in a bar shape. In short, the pattern formed by the sensing electrodes and the driving electrodes may at least cover the touch area 31.
In some embodiments, the touch module 20 further includes an insulating protective layer covering the touch electrode and the electrode lead 34, so as to provide good buffer protection for the touch electrode. Specifically, in the embodiment, the antenna unit 50 is disposed on the outer surface of the insulating protection layer, and is disposed in an insulating manner with the touch electrode and the touch electrode.
In some embodiments, the antenna element 50 includes an antenna body 52 and an antenna lead 54, one end of the antenna lead 54 being electrically connected to the antenna body 52 and the other end of the antenna lead 54 being adapted to be electrically connected to the bonding structure. That is, the antenna body 52 of the antenna unit 50 is connected to the bonding structure through the antenna lead 54, and then connected to the control circuit for signal transmission.
Further, the touch layer 30 and the antenna lead 54 are disposed corresponding to the non-encapsulation region 141 of the package cover plate 14, so that after the touch layer 30 and the antenna lead 54 are disposed on the package cover plate 14, laser is irradiated onto the package cover plate 14 to sinter the glass cement between the package cover plate 14 and the display back plate 12, so that the glass cement is welded between the package cover plate 14 and the display back plate 12 to encapsulate the display module 10. Moreover, the laser only needs to irradiate the package region 143, the non-package region 141 does not need to irradiate the laser, and the antenna lead 54 and the touch layer 30 located in the non-package region 141 are not blocked on the irradiation path of the laser, so that the package is not affected.
Further, the antenna body 52 is at least partially located in the encapsulation area 143 and need not be completely offset from the encapsulation area 143. A portion of the antenna body 52 is located in the package region 143, another portion is located in the non-package region 141, and the antenna body is not completely located in the non-package region 141, and may be disposed at a position as close to the edge of the touch display panel 100 as possible, so as to reduce the frame width of the touch display panel 100 and meet the design requirement of a narrow frame. Meanwhile, before the antenna body 52 is disposed, the laser is irradiated onto the encapsulation area 143 to encapsulate the display module 10, and then the antenna body 52 is disposed on the encapsulation area 143 and the non-encapsulation area 141, so that the antenna body 52 does not affect the encapsulation of the display module 10.
As shown in fig. 2, in some embodiments, antenna element 50 further includes an insulating layer 56. The antenna lead 54 is disposed on the touch layer 30, the insulating layer 56 is disposed between the antenna lead 54 and the antenna body 52, and a through hole is formed in the insulating layer 56, and the antenna body 52 is electrically connected to the antenna lead 54 through the through hole. In this manner, the antenna lead 54 and the antenna body 52 are formed in two layers, the middle is separated by the insulating layer 56, and the insulating layer 56 is provided with a through hole to electrically connect the antenna lead 54 and the antenna body 52 to each other. Meanwhile, the antenna main body 52 keeps a certain distance from the touch layer 30, so that the electrode lead 34 in the touch layer 30 is prevented from being too close to the antenna main body 52 to interfere with the antenna main body 52, and the antenna main body 52 is ensured to stably transmit signals.
It is understood that in other embodiments, the antenna body 52 and the antenna lead 54 may be disposed in the same layer, and are not limited thereto.
In some embodiments, the touch display panel 100 further includes a protective cover 70, and the antenna unit 50 is disposed between the protective cover 70 and the touch layer 30, such that the touch module 20 is located between the protective cover 70 and the display module 10, and the touch module 20 is protected by the protective cover 70.
In an embodiment of the present invention, a method for manufacturing a touch display panel is further provided, including the following steps:
step S100, manufacturing a touch layer 30 on the package cover plate 14 of the display module 10;
step S300, disposing the antenna lead 54 and the antenna main body 52 electrically connected to the antenna lead 54 on the touch layer 30; the antenna body 52 is at least partially located in the encapsulation area 143 of the encapsulation cover 14, and glass-paste encapsulation is performed on the encapsulation cover 14 and the display backplane in the display module 10 before the antenna body 52 is disposed.
Specifically, the display module 10 includes a display backplane 12 and a package cover 14. First, the display backplane 12 is fabricated for use. Then, the touch layer 30 is formed on the package cover 14, and the antenna main body 52 and the antenna lead 54 are disposed on the touch layer 30, so as to integrate the touch layer and the antenna on the package cover 14.
Moreover, the antenna body 52 is at least partially located in the encapsulation area 143, and may be disposed as close to the edge of the touch display panel 100 as possible without being completely staggered from the encapsulation area 143, so as to reduce the frame width of the touch display panel 100. Meanwhile, the package cover 14 and the display backplane 12 need to be glass-sealed. Therefore, in order to prevent at least a portion of the antenna body 52 located in the packaging region 143 from blocking the packaging region 143 and blocking the passage of laser light, before the antenna body 52 is disposed, the packaging region 143 of the side of the package cover plate 14 facing away from the display back plate 12 is irradiated with laser light, so that the glass cement is welded between the package cover plate 14 and the display back plate 12 to complete the packaging of the display module 10, and then the antenna body 52 is disposed, so that the narrow frame design is satisfied and the packaging of the display module 10 is not affected.
Further, step S300 includes the steps of:
step S320, disposing the antenna lead 54 on the touch layer 30;
step S340, covering the antenna lead 54 with an insulating layer 56, and forming a through hole on the insulating layer corresponding to the antenna lead 54;
in step S360, the antenna body 52 is disposed on the insulating layer 56, and the antenna body 52 is electrically connected to the antenna lead 54 through the through hole.
That is, the antenna lead 54 and the antenna body 52 are formed in two layers, the middle is separated by the insulating layer 56, and the insulating layer 56 is provided with a through hole to conduct the antenna lead 54 and the antenna body 52, so as to electrically connect the antenna lead 54 and the antenna body 52, and simultaneously, the antenna body 52 is far away from the touch layer 30, so that the electrode lead 34 in the touch layer 30 is prevented from being too close to the antenna body 52 to interfere with the antenna body 52, and the antenna body 52 is ensured to stably transmit signals.
It can be understood that after the step S300, the protective cover 70 is further covered, the antenna leads 54 are bound with the circuit board, and the touch display panel 100 is finally obtained by cutting.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification 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 more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The touch display panel is characterized by comprising a touch module, wherein the touch module comprises a touch layer and an antenna unit, the touch layer is provided with a touch area and a non-touch area surrounding the periphery of the touch area, and the antenna unit is arranged on the outer surface of the touch layer corresponding to the non-touch area.
2. The touch display panel of claim 1, wherein the antenna unit comprises an antenna body and an antenna lead, one end of the antenna lead is electrically connected to the antenna body, and the other end of the antenna lead is used for being electrically connected to the bonding structure.
3. The touch display panel of claim 2, further comprising a display module, wherein the touch module is disposed on the display module.
4. The touch display panel according to claim 3, wherein the display module comprises a display back plate and a package cover plate, the package cover plate is packaged on the display back plate, the touch layer is disposed on the package cover plate, and the antenna unit is disposed on a surface of the touch layer opposite to the package cover plate.
5. The touch display panel according to claim 4, wherein the package cover has a non-package region and a package region surrounding the non-package region and disposed along an edge of the display backplane, and the touch layer and the antenna leads are disposed corresponding to the non-package region.
6. The touch display panel of claim 5, wherein the antenna body is at least partially located in the encapsulation area.
7. The touch display panel according to any one of claims 2 to 6, wherein the antenna unit further includes an insulating layer, the antenna lead is disposed on the touch layer, the insulating layer is disposed between the antenna lead and the antenna main body, and a through hole is formed in the insulating layer, and the antenna main body is connected to the antenna lead through the through hole.
8. The touch display panel according to any one of claims 1 to 6, further comprising a protective cover, wherein the antenna unit is disposed between the protective cover and the touch layer.
9. A manufacturing method of a touch display panel is characterized by comprising the following steps:
manufacturing a touch layer on a packaging cover plate of the display module;
arranging an antenna lead and an antenna main body electrically connected with the antenna lead on the touch layer;
the antenna main body is at least partially located in a packaging area of the packaging cover plate, and glass cement packaging is carried out on the packaging cover plate and the display bottom plate in the display module before the antenna main body is arranged.
10. The method for manufacturing a touch display panel according to claim 9, wherein the step of providing an antenna lead and an antenna main body electrically connected to the antenna lead on the touch layer includes:
arranging an antenna lead on the touch layer;
covering an insulating layer on the antenna lead, and forming a through hole on the insulating layer corresponding to the antenna lead;
and an antenna main body is arranged on the insulating layer and is electrically connected with the antenna lead through the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932296.3A CN112578924A (en) | 2019-09-29 | 2019-09-29 | Touch display panel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932296.3A CN112578924A (en) | 2019-09-29 | 2019-09-29 | Touch display panel and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN112578924A true CN112578924A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910932296.3A Pending CN112578924A (en) | 2019-09-29 | 2019-09-29 | Touch display panel and manufacturing method thereof |
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| CN (1) | CN112578924A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114327146A (en) * | 2021-12-31 | 2022-04-12 | 云谷（固安）科技有限公司 | Display panel and display device |
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| CN105808000A (en) * | 2016-03-10 | 2016-07-27 | 昆山维信诺科技有限公司 | OLED (Organic Light Emitting Diode) display apparatus and fabrication method |
| US20190058264A1 (en) * | 2017-08-17 | 2019-02-21 | Lg Electronics Inc. | Electronic device |
| CN109992143A (en) * | 2017-12-29 | 2019-07-09 | 南昌欧菲显示科技有限公司 | Touch screen and its manufacturing method, touch control display apparatus and electronic device |
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2019
- 2019-09-29 CN CN201910932296.3A patent/CN112578924A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808000A (en) * | 2016-03-10 | 2016-07-27 | 昆山维信诺科技有限公司 | OLED (Organic Light Emitting Diode) display apparatus and fabrication method |
| US20190058264A1 (en) * | 2017-08-17 | 2019-02-21 | Lg Electronics Inc. | Electronic device |
| CN109992143A (en) * | 2017-12-29 | 2019-07-09 | 南昌欧菲显示科技有限公司 | Touch screen and its manufacturing method, touch control display apparatus and electronic device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114327146A (en) * | 2021-12-31 | 2022-04-12 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN114327146B (en) * | 2021-12-31 | 2023-10-20 | 云谷（固安）科技有限公司 | Display panel and display device |
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Application publication date: 20210330 |
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