CN110543255A - Touch panel with electromagnetic shielding layer - Google Patents
Touch panel with electromagnetic shielding layer Download PDFInfo
- Publication number
- CN110543255A CN110543255A CN201910630560.8A CN201910630560A CN110543255A CN 110543255 A CN110543255 A CN 110543255A CN 201910630560 A CN201910630560 A CN 201910630560A CN 110543255 A CN110543255 A CN 110543255A
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- China
- Prior art keywords
- touch panel
- face
- layer
- insulating
- conductive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- 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
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0054—Casings specially adapted for display applications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention relates to the technical field of touch panels, in particular to a touch panel with an electromagnetic shielding layer, which comprises a substrate, wherein the upper end surface of the substrate is provided with the touch panel, the outer wall of the substrate is sleeved with a second protective frame, the upper end surface of the touch panel is filled with a compact oil-repellent layer, the second protective frame is arranged on the lower end surface of an inner cavity of an outer frame, and the touch panel has the advantages that: according to the invention, the conductive layer and the insulating layer are matched up and down, so that the touch panel is thoroughly isolated from external electromagnetic signals, and the interference to a touch circuit is prevented; the insulating gasket is arranged, so that electromagnetic current generated by the conductive layer is isolated from the insulating layer, and the current generated by the lower-layer touch panel is timely grounded through the conductive column by the cooperation of the conductive column and the I-shaped base; through the ear seat of unsmooth about setting up, utilize end cover and lead electric pillar to realize fixing a position multilayer film structure such as insulating layer, conducting layer and oil drainage layer, prevent to cause the film skew to influence the touch-control and use.
Description
Technical Field
The invention relates to the technical field of touch panels, in particular to a touch panel with an electromagnetic shielding layer.
Background
The touch panel is formed by coating a layer of tin antimony oxide film and a protective film on the surface of transparent glass, and the tin antimony oxide film and the protective film are required to be subjected to electronic signal interference prevention treatment with a liquid crystal silver screen. The touch panel is a direct embodiment of the touch technology, and is used for sensing a touch signal and analyzing and identifying the touch signal.
The existing touch panel has the following defects in the using process:
1. An anti-interference device is lacked between the touch panel and the display screen, so that signal interference is caused during touch control, and the phenomenon of disorder is caused;
2. The existing interference preventing device can only shield external signals, the electromagnetic influence of the touch panel cannot be eliminated, and meanwhile, the existing shielding device cannot realize complete grounding, so that eddy current between an insulating layer and a conducting layer cannot be led out in time, and the shielding effect is reduced;
3. the upper end of the existing touch panel is provided with a plurality of layers of protective films, the protective films are connected in a viscose mode, and once the protective films are heated, fingers slide, so that the offset is easily caused.
therefore, the touch panel with the electromagnetic shielding layer is provided, and the electromagnetic shielding problem when the touch panel is used is solved.
Disclosure of Invention
The present invention is directed to a touch panel with an electromagnetic shielding layer to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
A touch panel with an electromagnetic shielding layer comprises a substrate, wherein the upper end face of the substrate is provided with the touch panel, the outer wall of the substrate is sleeved with a second protective frame, the upper end face of the touch panel is filled with a compact oil-repellent layer, the second protective frame is installed on the lower end face of an inner cavity of an outer frame, the upper end of the oil-repellent layer is bonded with an insulating layer, second ear seats are arranged at the middle positions of the front side and the rear side of the insulating layer, the upper end of the insulating layer is provided with a conductive layer, a pair of first ear seats which are symmetrical to each other are arranged at the middle positions of the front end face and the rear end face of the conductive layer, a display screen is arranged at the upper end of the conductive layer, a bonding layer is arranged between the conductive layer and the display screen, the outer wall of the display screen is sleeved with the first protective frame, a toughened film is attached to the upper end of the display screen, the, and the upper end of the conductive column is provided with an insulating gasket, the upper end of the insulating gasket is provided with an end cover, and the insulating gasket is positioned between the insulating layer and the conductive layer.
Preferably, the right end of the upper end face of the touch panel is provided with a sound box, and the front side of the right end face of the touch panel is provided with a camera.
preferably, the lower terminal surface of tempering membrane is fixed the bonding in the up end of display screen, and the open slot has been seted up with stereo set, camera corresponding position in the right side of tempering membrane.
Preferably, the inner wall of the upper end of the outer frame is provided with a circular clamping groove, the clamping groove of the upper end of the outer frame is clamped on the outer wall of the display screen, and the upper end face of the outer frame is flush with the upper end face of the display screen.
Preferably, the lower end of the conductive column is provided with an I-shaped base which is clamped on the lower end face of the outer frame, the lower end of the I-shaped base extends to the outer side of the lower end face of the outer frame, and the lower end face of the I-shaped base is grounded through a lead.
Preferably, the upper end of the conductive column is provided with a second internal thread, studs are vertically welded in the middle of the upper end face and the lower end face of the insulating gasket, and the studs at the lower end of the insulating gasket are fixedly connected to the upper end face of the conductive column through the second internal thread.
Preferably, the lower end face of the end cover is provided with a first internal thread, and the lower end of the end cover is fixedly connected with an upper end stud of the insulating gasket through the first internal thread.
Preferably, the first ear seat is smoothly convex along an upward circular arc of the conducting layer, the second ear seat is smoothly concave along a downward circular arc of the insulating layer, and an insulating gasket is installed in a gap between the lower end of the first ear seat and the upper end of the second ear seat.
Preferably, a first through hole and a second through hole are respectively formed in the middle of the upper end faces of the first ear seat and the second ear seat, the outer wall of the conductive post is inserted into the second through hole, and an end cover is installed in an inner cavity of the first through hole.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the conductive layer and the insulating layer are matched up and down, so that the touch panel is thoroughly isolated from external electromagnetic signals, and the interference to a touch circuit is prevented;
2. According to the invention, the insulating gasket is arranged, so that the electromagnetic current generated by the conductive layer is isolated from the insulating layer, and the current generated by the lower-layer touch panel is timely grounded through the conductive column by utilizing the matching of the conductive column and the I-shaped base;
3. According to the invention, the upper and lower concave-convex ear seats are arranged, and the end cover and the conductive column are utilized to position the multilayer film structures such as the insulating layer, the conductive layer and the oil drainage layer, so that the influence of film deviation on touch control is prevented.
Drawings
FIG. 1 is a perspective exploded view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a left side cross-sectional view of the present invention;
FIG. 4 is a schematic perspective view of an insulating layer according to the present invention;
FIG. 5 is a schematic perspective view of a conductive layer according to the present invention;
fig. 6 is an exploded view of the conductive pillar mounting structure according to the present invention.
In the figure: the touch screen comprises a substrate 1, an outer frame 2, a touch panel 3, an oil drainage layer 4, an insulating layer 5, a conducting layer 6, a bonding layer 7, a display screen 8, a toughened film 9, a clamping groove 10, a first protective frame 11, a second protective frame 12, an insulating gasket 13, a conductive column 14, an end cover 15, an I-shaped base 16, a first internal thread 17, a first ear seat 18, a stud 19, a second ear seat 20, a camera 21, a sound box 22, an open slot 23, a first through hole 24, a second through hole 25 and a second internal thread 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
The utility model provides a touch panel with electromagnetic shield layer, includes base plate 1, and the up end of base plate 1 is provided with touch panel 3, and touch panel 3's up end right-hand member is provided with stereo set 22, and touch panel 3's right-hand member face front side is provided with camera 21, utilizes stereo set 22 and camera 21 to realize the broadcast, image acquisition's function.
the up end of touch panel 3 fills up and scribbles the oleophobic layer 4 that the one deck is dense, utilizes and dredges oily layer 4 and improves the sense of touch effect, is difficult to leave the fingerprint, and is clean more convenient.
The outer wall of base plate 1 has cup jointed second protective frame 12, and terminal surface under the inner chamber of frame 2 is installed to second protective frame 12, utilizes second protective frame 12 to cushion the collision between base plate 1 and the frame 2, and then improves base plate 1's installation stability.
an insulating layer 5 is bonded at the upper end of the oil drainage layer 4, a conductive layer 6 is arranged at the upper end of the insulating layer 5, and the insulating layer 5 is used for isolating the contact between the conductive layer 6 and the touch panel 3, so that the shielding of external signals is realized.
The upper end of conducting layer 6 is provided with display screen 8, is provided with tie coat 7 between conducting layer 6 and the display screen 8, utilizes tie coat 7 to improve the firm nature of installation of display screen 8.
The outer wall of display screen 8 has cup jointed first protective frame 11, utilizes first protective frame 11 to improve display screen 8's installation stability, prevents to cause direct collision between 2 inner walls of display screen 8 and frame.
The tempering membrane 9 is laminated on the upper end of the display screen 8, the lower end face of the tempering membrane 9 is fixedly bonded on the upper end face of the display screen 8, an open slot 23 is formed in the position, corresponding to the sound box 21 and the camera 22, on the right side of the tempering membrane 9, and the tempering membrane 9 is utilized to protect the upper end face of the display screen 8.
The upper end inner wall of frame 2 is provided with the annular draw-in groove 10 of circle, and the upper end draw-in groove 10 joint of frame 2 is at the outer wall of display screen 8, and the up end of frame 2 flushes with the up end of display screen 8.
The lower end face of the outer frame 2 is provided with a pair of conductive columns 14 which are symmetrical front and back, the lower ends of the conductive columns 14 are provided with I-shaped bases 16, the I-shaped bases 16 are clamped on the lower end face of the outer frame 2, the lower ends of the I-shaped bases 16 extend to the outer side of the lower end face of the outer frame 2, the lower end faces of the I-shaped bases 16 are grounded through conducting wires, the fixed installation of the lower ends of the conductive columns 14 is achieved through the I-shaped bases 16, meanwhile, the purpose of leading out currents is achieved through grounding the I-shaped bases 16, and further the influence of.
The intermediate position of both sides is provided with second ear seat 20 around insulating layer 5, the intermediate position of the front and back terminal surface of conducting layer 6 is provided with a pair of first ear seat 18 of mutual symmetry, first ear seat 18 is along the smooth arch of conducting layer 6 circular arc that makes progress, second ear seat 20 is along the smooth sunken of insulating layer 5 circular arc that makes progress, clearance installation insulating pad 13 between first ear seat 18 lower extreme and the second ear seat 20 upper end, the clearance between the unsmooth ear seat provides insulating pad 13's installation about utilizing, insulating pad 13 is located between insulating layer 5 and the conducting layer 6, and then realize the isolated between insulating layer 5 and the conducting layer 6.
the upper end of the conductive column 14 extends to the upper end face of the second ear seat 20, the insulating gasket 13 is mounted at the upper end of the conductive column 14, second internal threads 26 are arranged at the upper end of the conductive column 14, studs 19 are perpendicularly welded in the middles of the upper end face and the lower end face of the insulating gasket 13, the studs 19 at the lower end of the insulating gasket 13 are fixedly connected to the upper end face of the conductive column 14 through the second internal threads 26, and then the lower end of the insulating gasket 13 is fixedly mounted.
the upper end of insulating gasket 13 is provided with end cover 15, the lower terminal surface of end cover 15 is provided with first internal thread 17, the lower extreme of end cover 15 passes through first internal thread 17 fixed connection insulating gasket 13's upper end double-screw bolt 19, first through-hole 24 and second through-hole 25 have been seted up respectively in the middle of the up end of first ear seat 18 and second ear seat 20, it pegs graft in second through-hole 25 to lead the outer wall of electrical pillar 14, end cover 15 is installed to the inner chamber of first through-hole 24, utilize end cover 15 to realize the fixed of insulating gasket 13 upper end.
the working principle is as follows: firstly install base plate 1 at frame 2 inner chamber terminal surface down, then fill in the oleophobic layer 4 of compactness on touch panel 3, through leading the cooperation of electrical pillar 14 and second through-hole 25 on second ear seat 20, realize the accurate installation of insulating layer 5, through second internal thread 26 with the double-screw bolt 19 fixed mounting of insulating pad 13 lower extreme at the up end of leading electrical pillar 14, then utilize the clearance between the unsmooth ear seat from top to bottom to provide the installation of insulating pad 13, insulating pad 13 is located between insulating layer 5 and the conducting layer 6, and then realize insulating between insulating layer 5 and the conducting layer 6 isolated, utilize insulating pad 13 to realize further fixing insulating layer 5 position, the upper end of insulating pad 13 is through first internal thread 17 connection end cover 15, utilize end cover 15 to realize the accurate installation of conducting layer 6, prevent simultaneously that conducting layer 6 from appearing the skew.
Utilize insulating layer 5 to completely cut off the contact between conducting layer 6 and the touch panel 3, and then realize the shielding to external signal, utilize I-shaped base 16 to realize leading the fixed mounting of electrical pillar 14's lower extreme, simultaneously through realizing the purpose of deriving the electric current with I-shaped base 16 ground connection, and then eliminate the influence that the inner circuit electric current produced the touch circuit, utilize the collision between second protective frame 12 buffer substrate 1 and the frame 2, and then improve substrate 1's installation stability, utilize first protective frame 11 to improve display screen 8's installation stability, prevent to cause direct collision between display screen 8 and the frame 2 inner wall.
The touch circuit, the insulating layer 5, the conductive layer 6, the tempered film 9 and the display screen 8 in the touch panel 3 are all mature products installed on the touch panel 3, and are not described in detail.
The conductive column 14 is a metal conductive rod, the insulating washer 13 is an insulating rubber sheet, and the stud 19 is an insulating hard rubber column.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a touch panel with electromagnetic shield layer, includes base plate (1), its characterized in that: the touch panel is arranged on the upper end face of the substrate (1), the outer wall of the substrate (1) is sleeved with a second protective frame (12), a compact oil-dispersing layer (4) is filled on the upper end face of the touch panel (3), the second protective frame (12) is arranged on the lower end face of the inner cavity of the outer frame (2), an insulating layer (5) is bonded on the upper end of the oil-dispersing layer (4), second ear seats (20) are arranged in the middle positions of the front side and the rear side of the insulating layer (5), a conductive layer (6) is arranged on the upper end of the insulating layer (5), a pair of first ear seats (18) which are symmetrical to each other is arranged in the middle positions of the front end face and the rear end face of the conductive layer (6), a display screen (8) is arranged on the upper end of the conductive layer (6), a bonding layer (7) is arranged between the conductive layer (6) and the display screen (8), the first, tempering membrane (9) has been laminated to the upper end of display screen (8), the lower terminal surface of frame (2) is provided with a pair of conductive post (14) of front and back symmetry, the upper end that leads conductive post (14) extends to the up end of second ear seat (20), and the upper end that leads conductive post (14) installs insulating gasket (13), the upper end of insulating gasket (13) is provided with end cover (15), and insulating gasket (13) are located between insulating layer (5) and conducting layer (6).
2. The touch panel with the electromagnetic shielding layer according to claim 1, wherein: the right end of the upper end face of the touch panel (3) is provided with a sound box (22), and the front side of the right end face of the touch panel (3) is provided with a camera (21).
3. The touch panel with the electromagnetic shielding layer according to claim 1, wherein: the lower end face of the toughened film (9) is fixedly bonded on the upper end face of the display screen (8), and an open slot (23) is formed in the position, corresponding to the sound box (21) and the camera (22), on the right side of the toughened film (9).
4. the touch panel with the electromagnetic shielding layer according to claim 1, wherein: the upper end inner wall of frame (2) is provided with annular draw-in groove (10), and the outer wall of upper end draw-in groove (10) joint at display screen (8) of frame (2), and the up end of frame (2) flushes with the up end of display screen (8).
5. The touch panel with the electromagnetic shielding layer according to claim 1, wherein: the lower end of the conductive post (14) is provided with an I-shaped base (16), the I-shaped base (16) is clamped on the lower end face of the outer frame (2), the lower end of the I-shaped base (16) extends to the outer side of the lower end face of the outer frame (2), and the lower end face of the I-shaped base (16) is grounded through a wire.
6. The touch panel with the electromagnetic shielding layer according to claim 1, wherein: the upper end of the conductive column (14) is provided with a second internal thread (26), the middles of the upper end face and the lower end face of the insulating gasket (13) are vertically welded with studs (19), and the studs (19) at the lower end of the insulating gasket (13) are fixedly connected to the upper end face of the conductive column (14) through the second internal thread (26).
7. the touch panel with the electromagnetic shielding layer according to claim 1, wherein: the lower end face of the end cover (15) is provided with a first internal thread (17), and the lower end of the end cover (15) is fixedly connected with an upper end stud (19) of the insulating gasket (13) through the first internal thread (17).
8. The touch panel with the electromagnetic shielding layer according to claim 1, wherein: first ear seat (18) are along the smooth arch of conducting layer (6) circular arc that makes progress, insulating layer (5) is followed to second ear seat (20) circular arc smooth sunken downwards, clearance installation insulating pad (13) between first ear seat (18) lower extreme and second ear seat (20) upper end.
9. The touch panel with the electromagnetic shielding layer according to claim 8, wherein: the middle of the upper end face of the first ear seat (18) and the middle of the upper end face of the second ear seat (20) are respectively provided with a first through hole (24) and a second through hole (25), the outer wall of the conductive column (14) is inserted into the second through hole (25), and an end cover (15) is installed in the inner cavity of the first through hole (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630560.8A CN110543255A (en) | 2019-07-12 | 2019-07-12 | Touch panel with electromagnetic shielding layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630560.8A CN110543255A (en) | 2019-07-12 | 2019-07-12 | Touch panel with electromagnetic shielding layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110543255A true CN110543255A (en) | 2019-12-06 |
Family
ID=68710375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910630560.8A Withdrawn CN110543255A (en) | 2019-07-12 | 2019-07-12 | Touch panel with electromagnetic shielding layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110543255A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111857421A (en) * | 2020-07-14 | 2020-10-30 | 北海翰博士科技有限公司 | Wear-resisting type touch panel with metal mesh on surface |
-
2019
- 2019-07-12 CN CN201910630560.8A patent/CN110543255A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111857421A (en) * | 2020-07-14 | 2020-10-30 | 北海翰博士科技有限公司 | Wear-resisting type touch panel with metal mesh on surface |
| CN111857421B (en) * | 2020-07-14 | 2022-12-27 | 北海翰博士科技有限公司 | Wear-resisting type touch panel with metal mesh on surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191206 |
|
| WW01 | Invention patent application withdrawn after publication |