CN217333307U - Touch display - Google Patents
Touch display Download PDFInfo
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- CN217333307U CN217333307U CN202220356715.0U CN202220356715U CN217333307U CN 217333307 U CN217333307 U CN 217333307U CN 202220356715 U CN202220356715 U CN 202220356715U CN 217333307 U CN217333307 U CN 217333307U
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- connecting plate
- touch
- circuit board
- touch display
- opening
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Abstract
The utility model relates to a touch display, which comprises a cover plate, a touch film and a panel which are laminated in sequence, wherein one side of the touch film is provided with a lug type extension area, one end of a flexible touch circuit board is fixed on the extension area, and the flexible touch circuit board is communicated with the touch film; the touch control film further comprises a connecting assembly, wherein the connecting assembly comprises a connecting plate A and a connecting plate B, the connecting plate A is L-shaped, an opening is formed in the connecting plate A corresponding to the extending area, and one surface of the connecting plate A is fixed on one side of the touch control film; the connecting plate B is parallel to the connecting plate A other side, the extending area and the other end of the flexible touch circuit board penetrate through the opening, the extending area is bent along the folding line, one side of the extending area is tightly attached to the connecting plate A other side, the connecting plate B is tightly attached to the extending area other side and is connected with the connecting plate A other side in a locking and attaching mode, the other end of the flexible touch circuit board is bent again along the top face of the connecting plate A other side to the position above the panel and is connected with a controller of the touch display, the assembling is simple and stable by adopting the technical scheme, the reworking is easy, and the width of the frame of the cover plate is effectively reduced.
Description
Technical Field
The utility model relates to a show technical field, concretely relates to touch-control display.
Background
In the present society, the touch function of the display is a basic equipment, and not only is applied to mobile phones and flat panels (medium and small sizes), but also large-sized displays need to be equipped with the touch function, so the attachment challenge of the touch screen and the panel is higher and higher, and many narrow-frame displays (<10mm) are available in the market.
The following methods are mostly adopted for the narrow frame of the existing touch display: 1. the high-tech yellow light technology is used for making the circuit into a fine circuit design, so that the wiring space is reduced, but the die cost is high, the manufacturing process is difficult, and the yield is low; 2. the touch control circuit is manufactured on the surface glass, the space of the fitting tolerance is reduced by an Optical Glass Solution (OGS), and the touch control circuit is high in mold cost, difficult in manufacturing process, low in yield and limited in frame color; 3. in the touch control manufactured by a common wet or dry process, the hot touch control is arranged in the extension area and directly bent and fixed on the back of the panel, so that the hot press extension area is directly bent, the risk of wire breakage is caused due to improper operation of an operator and the influence of excessive tension and bending angle, and touch control failure is caused; 4. the hot-pressing extension area is designed to be used for placing the induction circuit, the adhesive tape adhering area of the touch film and the panel can be increased by adhering the induction circuit to the panel, the method has great doubt on the bonding strength of the touch screen and the panel, the adhering strength risk is increased along with the increase of the size of a display, and a bending suspension area is generated due to different structures of the panel when the induction circuit is adhered to the hot-pressing extension area or the soft board of the panel, so that the hot-pressing extension area or the soft board cannot be effectively adhered to the panel, the fixation of the panel is influenced, and even the hot-pressing area of the soft board has a peeling risk.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an equipment is simple, stable, and easily heavy industry effectively reduces the touch-control display of the frame width of apron.
The utility model discloses a touch-control display adopts following technical scheme: the touch display comprises a cover plate, a touch film and a panel which are sequentially laminated, wherein a lug type extension area is arranged on one side of the touch film, a folding line is arranged at the joint of the extension area and the touch film, one end of a flexible touch circuit board is fixed on the extension area, the flexible touch circuit board is communicated with the touch film, the touch display further comprises a connecting assembly, the connecting assembly comprises a connecting plate A and a connecting plate B, the connecting plate A is L-shaped and is provided with an opening corresponding to the extension area, and one side of the connecting plate A is fixed on one side of the touch film; the connecting plate B is parallel to the other surface of the connecting plate A, the extending area and the other end of the flexible touch circuit board penetrate through the opening, the extending area is bent along the folding line, one surface of the extending area is tightly attached to the other surface of the connecting plate A, the connecting plate B is tightly attached to the other surface of the extending area and is in locking attachment connection with the other surface of the connecting plate A, and the other end of the flexible touch circuit board is bent again along the top surface of the other surface of the connecting plate A to the position above the panel and is connected with the controller of the touch display.
Furthermore, through holes are formed in the other surface of the connecting plate A corresponding to the two sides of the opening, convex parts are arranged on the connecting plate B corresponding to the through holes, screw holes are formed in the convex parts, and the convex parts penetrate through the through holes and are locked on the other surface of the connecting plate A by bolts matched with the screw holes in a threaded mode.
Furthermore, tearing openings are formed in the two sides of the joint of the extension area and the touch membrane towards the direction of the touch membrane, and when the extension area penetrates through the opening and is bent along the folding line to be attached to the other surface of the connecting plate A, an included angle is formed between the extension area and the touch membrane at the tearing openings.
Further, the length of the tearing opening is 2.5-3.5 mm.
Further, the tear opening has a length of 3 mm.
Furthermore, a curled edge or an arc-shaped guide angle is arranged at the other side of the connecting plate A corresponding to the bending position of the other end of the flexible touch circuit board.
Further, the connecting plate A and the connecting plate B are formed by sheet metal materials.
Further, the touch film is attached to the cover plate through optical cement.
Furthermore, the panel is attached to the touch film through back glue or optical glue.
Furthermore, the extension area fixes the flexible touch circuit board in a hot pressing mode.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the connecting assembly is adopted to fix the extension area, so that the back glue fixation is avoided, the assembly is simple and stable, the reworking is easy, the circuit integrated flexible touch circuit board of the touch film is hot-pressed in the extension area, the frame width of the cover plate is effectively reduced, and the frame of the display is reduced;
2. tearing openings are arranged on two sides of the joint of the extension area and the touch control film, so that the touch control failure caused by the broken line of the flexible touch control circuit board due to the difficult control of the bending angle of the extension area and the stress concentration is avoided;
3. the top surface of the other surface of the connecting plate A is provided with a turned edge or an arc-shaped guide angle corresponding to the bent part of the extension area, so that the extension area and the flexible touch circuit board are prevented from being scratched by the burrs of the connecting plate A.
Drawings
The accompanying drawings, which are described herein to provide a further understanding of the application, are included in the following description:
fig. 1 is a schematic diagram of a touch film structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a connection assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
fig. 4 is a cross-sectional view taken at a-a in fig. 3.
Detailed Description
Referring to fig. 1, a touch display according to an embodiment includes a cover plate 3, a touch film 2, and a panel 1, which are sequentially stacked and attached, where the touch film 2 is attached to the cover plate 3 through an optical adhesive, and the panel 1 is attached to the touch film 2 through a back adhesive or an optical adhesive; the touch display comprises a touch control film 2, a lug type extension area 21 is arranged on one side of the touch control film 2, a folding line 211 is arranged at the joint of the extension area 21 and the touch control film 2, one end of a flexible touch control circuit board 22 is hot-pressed on the extension area 21, the flexible touch control circuit board 22 is communicated with the touch control film 2, the touch display further comprises a connecting assembly, the connecting assembly comprises a connecting plate A41 and a connecting plate B42, the connecting plate A41 and the connecting plate B42 can be formed by sheet metal materials, the connecting plate A41 is L-shaped and is provided with an opening 414 corresponding to the extension area 21, one surface 413 is fixed on one side of the touch control film 2, and the other surface 412 is provided with through holes 415 corresponding to two sides of the opening 414; the connecting plate B42 is parallel to the other surface 412 of the connecting plate A, a convex part 421 is arranged on the connecting plate B42 corresponding to the through hole 415, a screw hole 422 is arranged on the convex part, the other ends of the extension area 21 and the flexible touch circuit board 22 penetrate through the opening 414, the extension area 21 is bent 211 along a folding line, one surface of the extension area is tightly attached to the other surface of the connecting plate A412, the connecting plate B42 is tightly attached to the other surface of the extension area 21, the convex part 421 penetrates through the through hole 415 and is locked on the other surface 412 of the connecting plate A by a bolt matched with the screw hole 422 in a threaded mode, and the other end of the flexible touch circuit board 22 is bent again along the top surface of the other surface 412 of the connecting plate A to the position above the panel 1 to be connected with a controller of the touch display.
Furthermore, tearing openings 23 are formed in the two sides of the joint of the extension area 21 and the touch control film 2 in the direction of the touch control film, when the extension area 221 passes through the opening 414 and is bent along the folding line 211 to be tightly attached to the other surface 412 of the connecting plate a, an included angle is formed between the extension area 21 and the touch control film 2 at the tearing openings 23, and the length of the tearing openings 23 is 2.5-3.5mm, preferably 3 mm.
Further, a bent edge 411 is disposed at a bent position of the other surface 412 of the connection board a corresponding to the other end of the flexible touch circuit board 22, and an arc-shaped lead angle may also be directly formed at a bent position of the other surface 412 of the connection board a corresponding to the other end of the flexible touch circuit board 22.
The utility model discloses a theory of operation:
the circuit integrated flexible touch circuit board of the touch film is hot-pressed in the extension area, the width of the frame of the cover plate is effectively reduced, the frame of the display is reduced, the extension area 21 and the other end of the flexible touch circuit board 22 penetrate through the opening 414, the extension area 21 is bent along the folding line 211, one surface of the extension area is tightly attached to the other surface 412 of the connecting plate A, the other surface of the extension area 21 is tightly attached to the connecting plate B42 and is locked and attached to the other surface 412 of the connecting plate A, the other end of the flexible touch circuit board is bent again along the top surface of the other surface of the connecting plate A to be connected with the controller of the touch display above the panel, the extension area 21 is fixed between the connecting plate A and the connecting plate B, the situation that the back adhesive is directly used for fixation is avoided, the assembly is simple and stable, and the rework is easy.
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 (10)
1. The utility model provides a touch display, is including apron, touch-control membrane and the panel of range upon range of laminating the laminating in proper order, one side of touch-control membrane is equipped with the lug formula and extends the district, it is equipped with the broken line with the touch-control membrane junction to extend the district, fixed flexible touch-control circuit board one end on the extension district, flexible touch-control circuit board switches on its characterized in that with the touch-control membrane: the touch control film further comprises a connecting assembly, wherein the connecting assembly comprises a connecting plate A and a connecting plate B, the connecting plate A is L-shaped, an opening is formed in the connecting plate A corresponding to the extending area, and one surface of the connecting plate A is fixed on one side of the touch control film; the connecting plate B is parallel to the other surface of the connecting plate A, the extending area and the other end of the flexible touch circuit board penetrate through the opening, the extending area is bent along the folding line, one surface of the extending area is tightly attached to the other surface of the connecting plate A, the connecting plate B is tightly attached to the other surface of the extending area and is in locking attachment connection with the other surface of the connecting plate A, and the other end of the flexible touch circuit board is bent again along the top surface of the other surface of the connecting plate A to the position above the panel and is connected with the controller of the touch display.
2. The touch display of claim 1, wherein: the other side of the connecting plate A is provided with through holes corresponding to the two sides of the opening, the connecting plate B is provided with a convex part corresponding to the through holes, the convex part is provided with a screw hole, and the convex part penetrates through the through holes and is locked and attached to the other side of the connecting plate A by using a bolt matched with the screw hole in a threaded manner.
3. The touch display of claim 1, wherein: tearing openings are formed in the two sides of the joint of the extension area and the touch membrane towards the direction of the touch membrane, and when the extension area penetrates through the opening and is bent along the folding line to be attached to the other surface of the connecting plate A, an included angle is formed between the extension area and the touch membrane at the tearing openings.
4. The touch display of claim 3, wherein: the tearing opening is 2.5-3.5mm in length.
5. The touch display of claim 3, wherein: the tear opening has a length of 3 mm.
6. The touch display of claim 1, wherein: and a curled edge or an arc-shaped guide angle is arranged at the other side of the connecting plate A corresponding to the bent part of the other end of the flexible touch circuit board.
7. The touch display of claim 1, wherein: the connecting plate A and the connecting plate B are formed by sheet metal materials.
8. The touch display of claim 1, wherein: the touch film is attached to the cover plate through optical cement.
9. The touch display of claim 1, wherein: the panel is attached to the touch film through back glue or optical glue.
10. The touch display of claim 1, wherein: the extension area fixes the flexible touch circuit board in a hot pressing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220356715.0U CN217333307U (en) | 2022-02-22 | 2022-02-22 | Touch display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220356715.0U CN217333307U (en) | 2022-02-22 | 2022-02-22 | Touch display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217333307U true CN217333307U (en) | 2022-08-30 |
Family
ID=82996997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220356715.0U Active CN217333307U (en) | 2022-02-22 | 2022-02-22 | Touch display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217333307U (en) |
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2022
- 2022-02-22 CN CN202220356715.0U patent/CN217333307U/en active Active
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