CN111459336B - Display screen - Google Patents
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- CN111459336B CN111459336B CN202010268051.8A CN202010268051A CN111459336B CN 111459336 B CN111459336 B CN 111459336B CN 202010268051 A CN202010268051 A CN 202010268051A CN 111459336 B CN111459336 B CN 111459336B
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- Prior art keywords
- circuit board
- flexible circuit
- iron frame
- touch electrode
- display screen
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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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- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive 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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a display screen, wherein the display screen comprises a touch electrode; backlight unit, backlight unit includes: the iron frame is arranged opposite to the touch electrode; the film material layer is arranged on one side, close to the touch electrode, of the iron frame, and when voltage is applied between the touch electrode and the iron frame and the touch electrode receives a square wave signal, the film material layer vibrates and drives the iron frame to vibrate; the middle frame is arranged on one side, away from the touch electrode, of the iron frame, and a closed space is formed between the middle frame and the iron frame; the flexible circuit board is arranged on one side, close to the middle frame, of the iron frame; the buffer layer, the buffer layer setting is between flexible circuit board and chase. According to the scheme, the buffer layer is arranged to reduce the transmission of the vibration of the iron frame to the flexible circuit board, and the noise caused by the vibration of the flexible circuit board in the closed space is reduced.
Description
Technical Field
The application relates to the technical field of display, in particular to a display screen.
Background
In the in-cell touch panel, the entire touch electrode is divided into a plurality of touch modules. During touch detection, a touch IC (Integrated Circuit Chip) sends periodic square wave signals to all touch modules at the same time.
As shown in fig. 1, a capacitance is formed between the touch electrode 11 and a BL (Back Light) bezel 12, and under a piezoelectric effect, a periodic square wave signal causes a BL film 13 to vibrate, the BL film 13 drives the BL bezel 12 to vibrate together, and an FPC (Flexible Printed Circuit) 14 fixed on the BL bezel 12 also vibrates therewith. When the BL iron frame 12 and the middle frame 15 form a closed space, the vibration sound of the FPC14 is amplified in the closed space reflection to the extent that the human ear can hear it.
Therefore, it is desirable to provide a display panel that can reduce the vibration sound of the FPC.
Disclosure of Invention
The invention aims to provide a display screen which can reduce the vibration sound of a flexible circuit board.
An embodiment of the present invention provides a display screen, which includes:
a touch electrode;
backlight unit, backlight unit includes:
the iron frame is arranged opposite to the touch electrode;
the film layer is arranged on one side, close to the touch electrode, of the iron frame, and when voltage is applied between the touch electrode and the iron frame and the touch electrode receives a square wave signal, the film layer vibrates and drives the iron frame to vibrate;
the middle frame is arranged on one side, away from the touch electrode, of the iron frame, and a closed space is formed between the middle frame and the iron frame;
the flexible circuit board is arranged on one side, close to the middle frame, of the iron frame;
the buffer layer, the buffer layer sets up the flexible circuit board with between the chase, wherein, the buffer layer is used for reducing the vibrations of chase to the flexible circuit board conduction, and reduce the flexible circuit board is in the sound that airtight space vibrations caused.
In one embodiment, the buffer layer is made of a material including conductive foam.
In one embodiment, the buffer layer includes a conductive colloid layer, and the conductive colloid layer has a hollow structure.
In one embodiment, the conductive glue layer is in a shape of a Chinese character 'hui'.
In one embodiment, the buffer layer comprises a U-shaped conductive colloid layer, the iron frame is pasted on one side of the U-shaped conductive colloid layer, and the flexible circuit board is pasted on the other side of the U-shaped conductive colloid layer.
In an embodiment, the buffer layer includes a plurality of conductive adhesive portions, and the plurality of conductive adhesive portions are disposed between the flexible circuit board and the bezel at intervals.
In one embodiment, the display screen further comprises:
the signal generator is used for sending the square wave signal to the touch electrode;
and the voltage generator is used for applying a preset voltage to the signal generator to enable the signal generator to generate the square wave signal, wherein the value range of the preset voltage is between 0V and 3V.
An embodiment of the present invention further provides a display screen, which includes:
a touch electrode;
a backlight module, the backlight module comprising:
the iron frame is arranged opposite to the touch electrode;
the film layer is arranged on one side, close to the touch electrode, of the iron frame, and when voltage is applied between the touch electrode and the iron frame and the touch electrode receives a square wave signal, the film layer vibrates and drives the iron frame to vibrate;
the middle frame is arranged on one side, away from the touch electrode, of the iron frame, and a closed space is formed between the middle frame and the iron frame;
the flexible circuit board is arranged on one side, close to the iron frame, of the middle frame;
the first buffer part is arranged between the iron frame and the middle frame, wherein the first buffer part is used for reducing the vibration of the iron frame to the conduction of the flexible circuit board and reducing the sound caused by the vibration of the closed space of the flexible circuit board.
In one embodiment, the composition material of the first buffer part comprises conductive foam.
In an embodiment, the display screen further includes a second buffer portion disposed between the middle frame and the flexible circuit board.
According to the display screen provided by the embodiment of the invention, the buffer structures such as the buffer layer or the first buffer part are arranged, so that the transmission of the vibration of the iron frame to the flexible circuit board is reduced, and the noise caused by the vibration of the flexible circuit board in a closed space is reduced.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a conventional display screen.
Fig. 2 is a schematic view of a first structure of a display screen according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a second structure of the display screen according to the embodiment of the present invention.
Fig. 4 is a schematic diagram of a third structure of the display screen according to the embodiment of the present invention.
Fig. 5 is a schematic diagram of a fourth structure of the display screen according to the embodiment of the present invention.
Fig. 6 is a schematic diagram of a fifth structure of the display screen according to the embodiment of the present invention.
Detailed Description
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. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment of the invention provides a display screen. As shown in fig. 2, fig. 2 is a schematic structural diagram of a display screen according to an embodiment of the present invention. The display screen 2 includes a touch electrode 21, a backlight module 22, a middle frame 23, a flexible circuit board 24, and a buffer layer 25.
The touch electrode 21 includes a plurality of touch modules. When the touch electrode 21 is used for touch detection, the touch module performs touch detection under the control of the square wave signal.
The backlight module 22 includes an iron frame 221 and a film layer 222. Among them, the film material layer 222 includes: optical film, diffusion plate, reflection plate, and light guide sheet. The chase 221 supports the film layer 222. Specifically, the film layer 222 is disposed on a side of the bezel 221 close to the touch electrode 21.
The touch electrode 21 and the bezel 221 are both conductors, and both constitute a capacitor. When a voltage is applied between the touch electrode 21 and the bezel 221, the two store charges, respectively, to generate a piezoelectric effect. At this time, if the touch electrode 21 receives a square wave signal, the square wave signal may vibrate the film layer 222. The vibration of the membrane layer 222 will drive the iron frame 221 to vibrate.
The middle frame 23 is disposed on a side of the iron frame 221 away from the touch electrode 21, and a closed space a is formed between the middle frame 23 and the iron frame 221.
The flexible circuit board 24 is disposed on a side of the bezel 221 near the middle frame 23, or the flexible circuit board 24 is disposed on a side of the middle frame 23 near the bezel 221. It should be noted that, regardless of whether the flexible circuit board 24 is disposed on the bezel 221 or the middle frame 23, the flexible circuit board 24 is located in the enclosed space a formed by the bezel 221 and the middle frame 23. If the vibration of the bezel 221 is transmitted to the flexible circuit board 24, the vibration of the flexible circuit board 24 is caused to generate a sound, and the sound is amplified by the enclosed space a.
In the embodiment of the present invention, when the flexible circuit board 24 is disposed on the side of the bezel 221 close to the middle frame 23, the buffer layer 25 is disposed to reduce the transmission of the vibration of the bezel 221 to the flexible circuit board 24. As shown in fig. 2, the buffer layer 25 is disposed between the flexible circuit board 24 and the bezel 221. In one embodiment, the buffer layer 25 is made of a material including conductive foam.
In one embodiment, the buffer layer 25 includes a conductive gel layer 251. As shown in fig. 3, the conductive gel layer 251 has a hollow structure, such as a structure including a plurality of polygonal holes, such as triangles, quadrangles, pentagons, and the like. Preferably, the conductive gel layer 251 has a zigzag shape.
In one embodiment, as shown in fig. 4, the buffer layer 25 further includes a plurality of conductive adhesive portions 252, and the plurality of conductive adhesive portions 252 are disposed between the flexible circuit board 24 and the bezel 221 at intervals.
No matter the conductive adhesive layer 251 is provided with a hollow structure or a plurality of conductive adhesive portions 252 spaced from each other, the contact area between the flexible circuit board 24 and the bezel 221 can be reduced, so that the transmission of the vibration of the bezel 221 to the flexible circuit board 24 can be reduced, and the noise caused by the vibration of the flexible circuit board 24 in the enclosed space a can be reduced.
In one embodiment, as shown in fig. 5, the buffer layer 25 includes a U-shaped conductive adhesive layer 253, an iron frame 221 attached to one side of the U-shaped conductive adhesive layer 253, and a flexible circuit board 24 attached to the other side of the U-shaped conductive adhesive layer 253. This reduces the direct contact area between the flexible circuit board 24 and the bezel 221, thereby reducing the transmission of the vibration of the bezel 221 to the flexible circuit board 24 and reducing the sound caused by the vibration of the flexible circuit board 24 in the enclosed space a.
Further, the display screen 2 further comprises a signal generator 26 and a voltage generator 27. The signal generator 26 is configured to send a square wave signal to the touch electrode 21. The voltage generator 27 is configured to apply a preset voltage to the signal generator 26, so that the signal generator 26 generates a square wave signal, where the value of the preset voltage ranges from 0V to 3V. The voltage applied by the existing voltage generator is between 0V and 5V, and the lower voltage is provided by the voltage generator 27 in the embodiment of the invention, so that the intensity of the square wave signal generated by the signal generator 26 can be reduced, and the vibration intensity of the iron frame 221 can be reduced, thereby reducing the vibration intensity of the flexible circuit board 24 and reducing the sound caused by the vibration of the flexible circuit board 24 in the closed space a.
According to the display screen provided by the embodiment of the invention, the buffer layer is arranged between the flexible circuit board and the iron frame, so that the transmission of the vibration of the iron frame to the flexible circuit board is reduced, and the sound caused by the vibration of the flexible circuit board in a closed space is reduced.
The embodiment of the invention also provides a display screen. As shown in fig. 6, fig. 6 is a schematic structural diagram of a display screen according to an embodiment of the present invention. The display screen 3 includes a touch electrode 31, a backlight module 32, a middle frame 33, a flexible circuit board 34 and a first buffer portion 35.
The touch electrode 31 includes a plurality of touch modules. When the touch electrode 31 is used for touch detection, the touch module performs touch detection under the control of the square wave signal.
The backlight module 32 includes an iron frame 321 and a film material layer 322. Wherein, the film material layer 322 includes: optical film, diffusion plate, reflection plate, and light guide sheet. The frame 321 is used to support the film layer 322. Specifically, the film layer 322 is disposed on a side of the bezel 321 close to the touch electrode 31.
The touch electrode 31 and the bezel 321 are both conductors, and both constitute a capacitor. When a voltage is applied between the touch electrode 31 and the bezel 321, the two store charges respectively, thereby generating a piezoelectric effect. At this time, if the touch electrode 31 receives a square wave signal, the square wave signal may vibrate the film layer 322. The vibration of the membrane layer 322 will drive the iron frame 321 to vibrate.
The middle frame 33 is disposed on a side of the iron frame 321 away from the touch electrode 31, and a closed space B is formed between the middle frame 33 and the iron frame 321.
The flexible circuit board 34 is disposed on a side of the iron frame 321 near the middle frame 33, or the flexible circuit board 34 is disposed on a side of the middle frame 33 near the iron frame 321. It should be noted that, regardless of whether the flexible circuit board 34 is disposed on the bezel 321 or the middle frame 33, the flexible circuit board 34 is located in the enclosed space B formed by the bezel 321 and the middle frame 33. If the vibration of the bezel 321 is transmitted to the flexible circuit board 34, the flexible circuit board 34 is vibrated to generate a sound, and the enclosed space B amplifies the sound.
In the embodiment of the present invention, when the flexible circuit board 34 is disposed on the side of the middle frame 33 close to the iron frame 321, the first buffer portion 35 is disposed to reduce the transmission of the vibration of the iron frame 321 to the middle frame 33, and further to reduce the transmission to the flexible circuit board 34. As shown in fig. 6, the first buffer portion 35 is provided between the middle frame 33 and the iron frame 321. In one embodiment, the material of the first buffer portion 35 includes conductive foam.
Further, a second buffer 38 is provided in the display 3. The second buffer portion 38 is disposed between the middle frame 33 and the flexible circuit board 34. In one embodiment, the second buffer portion 38 includes a conductive gel layer. The conductive colloid layer is of a hollow structure, for example, a structure comprising a large number of polygonal holes such as triangles, quadrangles and pentagons. Preferably, the conductive colloid layer is in a shape of Chinese character 'hui'.
In an embodiment, the second buffer portion further includes a plurality of conductive adhesive portions, and the plurality of conductive adhesive portions are disposed between the flexible circuit board 34 and the middle frame 33 at intervals. No matter the conductive adhesive layer is set to be a hollow structure or a plurality of conductive adhesive parts which are mutually spaced, the contact area between the flexible circuit board 34 and the middle frame 33 can be reduced, so that the vibration of the iron frame 321 is reduced to be transmitted to the flexible circuit board 34, and the sound caused by the vibration of the flexible circuit board 34 in the closed space B is reduced.
In one embodiment, the second buffer portion 38 includes a U-shaped conductive adhesive layer, one side of the U-shaped conductive adhesive layer is attached to the middle frame 33, and the other side of the U-shaped conductive adhesive layer is attached to the flexible circuit board 34. This reduces the direct contact area between the flexible circuit board 34 and the middle frame 33, thereby reducing the transmission of the vibration of the iron frame 321 to the flexible circuit board 34 and reducing the sound caused by the vibration of the flexible circuit board 34 in the enclosed space B.
Further, the display screen 2 further comprises a signal generator 36 and a voltage generator 37. The signal generator 36 is configured to send a square wave signal to the touch electrode 31. The voltage generator 37 is configured to apply a preset voltage to the signal generator 36, so that the signal generator 36 generates a square wave signal, where the value of the preset voltage ranges from 0V to 3V. The voltage applied by the existing voltage generator is between 0V and 5V, and the lower voltage is provided by the voltage generator 37 in the embodiment of the invention, so that the intensity of the square wave signal generated by the signal generator 36 can be reduced, and the vibration intensity of the iron frame 321 can be reduced, thereby reducing the vibration intensity of the flexible circuit board 34 and reducing the sound caused by the vibration of the flexible circuit board 34 in the closed space B.
According to the display screen provided by the embodiment of the invention, the first buffer part is arranged between the middle frame and the iron frame, so that the transmission of the vibration of the iron frame to the flexible circuit board is reduced, and the sound caused by the vibration of the flexible circuit board in a closed space is reduced.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The display screen provided by the embodiment of the present application is described in detail above, a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understanding the technical scheme and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A display screen, wherein the display screen comprises:
a touch electrode;
a backlight module, the backlight module comprising:
the iron frame is arranged opposite to the touch electrode;
the film layer is arranged on one side, close to the touch electrode, of the iron frame, and when voltage is applied between the touch electrode and the iron frame and the touch electrode receives a square wave signal, the film layer vibrates and drives the iron frame to vibrate;
the middle frame is arranged on one side, away from the touch electrode, of the iron frame, and a closed space is formed between the middle frame and the iron frame;
the flexible circuit board is arranged on one side, close to the middle frame, of the iron frame, and meanwhile, the flexible circuit board is located in the closed space;
the buffer layer, the buffer layer sets up the flexible circuit board with between the chase, wherein, the buffer layer is used for reducing the vibrations of chase to the flexible circuit board conduction, and reduce the flexible circuit board is in the sound that airtight space vibrations caused.
2. The display screen of claim 1, wherein the buffer layer comprises a conductive foam.
3. The display screen of claim 1, wherein the buffer layer comprises a conductive colloid layer, and the conductive colloid layer is a hollow structure.
4. The display screen of claim 3, wherein the conductive gel layer is in a shape of a Chinese character 'hui'.
5. The display screen of claim 1, wherein the buffer layer comprises a U-shaped conductive glue layer, the iron frame is adhered to one side of the U-shaped conductive glue layer, and the flexible circuit board is adhered to the other side of the U-shaped conductive glue layer.
6. The display screen of claim 1, wherein the buffer layer comprises a plurality of conductive adhesive portions, and the plurality of conductive adhesive portions are arranged between the flexible circuit board and the bezel at intervals.
7. The display screen of claim 1, further comprising:
the signal generator is used for sending the square wave signal to the touch electrode;
and the voltage generator is used for applying a preset voltage to the signal generator to enable the signal generator to generate the square wave signal, wherein the value range of the preset voltage is between 0V and 3V.
8. A display screen, comprising:
a touch electrode;
backlight unit, backlight unit includes:
the iron frame is arranged opposite to the touch electrode;
the film layer is arranged on one side, close to the touch electrode, of the iron frame, and when voltage is applied between the touch electrode and the iron frame and the touch electrode receives a square wave signal, the film layer vibrates and drives the iron frame to vibrate;
the middle frame is arranged on one side, away from the touch electrode, of the iron frame, and a closed space is formed between the middle frame and the iron frame;
the flexible circuit board is arranged on one side, close to the iron frame, of the middle frame, and meanwhile the flexible circuit board is located in the closed space;
the first buffer part is arranged between the iron frame and the middle frame, wherein the first buffer part is used for reducing the vibration of the iron frame to the conduction of the flexible circuit board and reducing the sound caused by the vibration of the closed space of the flexible circuit board.
9. The display screen of claim 8, wherein the first buffer portion comprises a conductive foam.
10. The display screen of claim 8, further comprising a second buffer disposed between the middle frame and the flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010268051.8A CN111459336B (en) | 2020-04-08 | 2020-04-08 | Display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010268051.8A CN111459336B (en) | 2020-04-08 | 2020-04-08 | Display screen |
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| Publication Number | Publication Date |
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| CN111459336A CN111459336A (en) | 2020-07-28 |
| CN111459336B true CN111459336B (en) | 2023-03-21 |
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| CN202010268051.8A Active CN111459336B (en) | 2020-04-08 | 2020-04-08 | Display screen |
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| CN106708338A (en) * | 2015-10-15 | 2017-05-24 | 京东方科技集团股份有限公司 | Display device and driving method thereof |
| TWM558398U (en) * | 2017-11-08 | 2018-04-11 | Emerging Display Tech Corp | Touch display device for preventing occurrence of ripples |
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| CN110471558A (en) * | 2019-07-24 | 2019-11-19 | 武汉华星光电技术有限公司 | Touch control display apparatus and touch control display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4497663B2 (en) * | 2000-06-09 | 2010-07-07 | キヤノン株式会社 | Radiation imaging equipment |
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2020
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203117940U (en) * | 2013-02-05 | 2013-08-07 | 迎辉科技股份有限公司 | Touch panel device and transparent conductive substrate |
| CN104516577A (en) * | 2013-09-29 | 2015-04-15 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN106708338A (en) * | 2015-10-15 | 2017-05-24 | 京东方科技集团股份有限公司 | Display device and driving method thereof |
| TWM558398U (en) * | 2017-11-08 | 2018-04-11 | Emerging Display Tech Corp | Touch display device for preventing occurrence of ripples |
| CN209216065U (en) * | 2019-01-22 | 2019-08-06 | 苏州敏芯微电子技术股份有限公司 | Pressure conduction structure, pressure sensor packaging structure and touch device |
| CN109765722A (en) * | 2019-03-05 | 2019-05-17 | 厦门天马微电子有限公司 | A kind of display device |
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| CN111459336A (en) | 2020-07-28 |
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