CN220208239U - Flexible large-size commercial display touch panel - Google Patents
Flexible large-size commercial display touch panel Download PDFInfo
- Publication number
- CN220208239U CN220208239U CN202321622011.4U CN202321622011U CN220208239U CN 220208239 U CN220208239 U CN 220208239U CN 202321622011 U CN202321622011 U CN 202321622011U CN 220208239 U CN220208239 U CN 220208239U
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- Prior art keywords
- transparent
- transparent conductive
- lcd display
- heat dissipation
- touch panel
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- 238000005530 etching Methods 0.000 claims abstract description 9
- 238000007650 screen-printing Methods 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims description 34
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000004026 adhesive bonding Methods 0.000 abstract 3
- 238000003475 lamination Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000002472 indium compounds Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of displays, in particular to a flexible large-size commercial display touch panel which comprises an LCD display unit and a PET base film layer, wherein a transparent non-base double-sided adhesive bonding layer is arranged on one side, close to the PET base film layer, of the LCD display unit, a transparent conductive film is arranged on one side, close to the LCD display unit, of the PET base film layer, one side of the transparent conductive film is connected with one side of the transparent non-base double-sided adhesive bonding layer, etching paste is printed on the transparent conductive film in a roll-to-roll screen printing mode to form transparent non-conductive intervals and transparent conductive circuit layers, and the transparent non-base double-sided adhesive bonding layer is matched to replace an ITO conductive circuit in the prior art to connect the LCD display unit close to the PET base film layer together, so that a single Zhang Shengchan mode is converted into a roll-to-roll production mode, the production efficiency is improved, the gap is bonded, the gap is upgraded to be planar bonded, and the display definition of the display is improved.
Description
Technical Field
The utility model relates to the technical field of displays, in particular to a flexible large-size commercial display touch panel.
Background
The display is a device for displaying contents such as images, texts, videos and the like, is generally composed of a display screen and a bracket, is used for connecting and displaying the contents interacted with a computer or other devices, and is provided with a touch panel, so that the physical keys of the display can be greatly reduced, the human-computer interaction is facilitated, and the display is popular in the market.
The structure of the commercial display touch panel in the prior art is shown in fig. 2, an LCD display unit and a PET base film layer are connected together through an ITO conductive line and an OCA lamination layer, and the display definition of the display is reduced due to the lamination gap of the touch panel structure.
Disclosure of Invention
The present utility model is directed to a flexible large-sized touch panel for commercial display, which solves the above-mentioned problems.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a flexible jumbo size commercial display touch panel, includes LCD display element and PET base rete, one side that the LCD display element is close to the PET base rete is provided with transparent no base double faced adhesive tape laminating layer, one side that the PET base rete is close to the LCD display element is provided with transparent conductive film, and one side of transparent conductive film is connected in one side of transparent no base double faced adhesive tape laminating layer.
And the etching paste is printed on the transparent conductive film in a roll-to-roll screen printing mode to form transparent non-conductive intervals and transparent conductive circuit layers on the transparent conductive film, and the transparent non-conductive intervals and the transparent conductive circuit layers are distributed in a staggered mode.
Preferably, the transparent conductive film is formed by roll coating a transparent conductive liquid on the PET base film layer, and the thickness of the transparent conductive film is 10-15 micrometers.
Preferably, the LCD display unit comprises a protection frame, wherein the inner surface of the protection frame is provided with a concave, and the concave in the protection frame is matched with the outer surface of the LCD display unit.
Preferably, the concave part in the protection frame is provided with a flexible lining, the flexible lining adopts a concave design, and the side wall of the flexible lining is provided with heat dissipation notches in a linear array.
Preferably, a heat dissipation cavity is formed in the protective frame, a heat conducting plate is arranged in the heat dissipation cavity, and heat conducting back glue is arranged on two sides of the heat conducting plate.
Preferably, two heat dissipation air channels are arranged on the inner surface of the heat dissipation cavity, the cross section of each heat dissipation air channel is trapezoid, and the top and the bottom of each heat dissipation air channel are communicated with the outside of the protection frame.
The utility model has the beneficial effects that:
etching paste is printed on the transparent conductive film in a roll-to-roll screen printing mode to form transparent non-conductive intervals and transparent conductive circuit layers, and the transparent non-base double faced adhesive tape laminating layer is matched to replace an ITO conductive circuit in the prior art to connect an LCD display unit close to a PET base film layer together, so that a single Zhang Shengchan mode is converted into a roll-to-roll production mode, the production efficiency is improved, and gaps are laminated and upgraded into plane lamination, so that the display definition of a display is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a touch panel of a display in the prior art;
FIG. 3 is a schematic diagram of the LCD display unit of FIG. 1 according to the present utility model;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present utility model;
FIG. 5 is a cross-sectional view of the protective frame of FIG. 3 in accordance with the present utility model;
FIG. 6 is an enlarged view of the structure of the present utility model at B in FIG. 5;
fig. 7 is a schematic view illustrating a structure of the inside of the protective frame of fig. 3 according to the present utility model.
Reference numerals in the drawings are as follows:
1. LCD display element, 2, PET base rete, 3, transparent no base double faced adhesive tape laminating layer, 4, transparent conductive film, 401, transparent non-conductive interval, 402, transparent conductive circuit layer, 5, protection frame, 6, flexible inside lining, 7, heat dissipation notch, 8, heat dissipation cavity, 9, heat-conducting plate, 10, heat dissipation wind channel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a flexible jumbo size commercial display touch panel, includes LCD display element 1 and PET base rete 2, one side that LCD display element 1 is close to PET base rete 2 is provided with transparent no base double faced adhesive tape laminating layer 3, one side that PET base rete 2 is close to LCD display element 1 is provided with transparent conductive film 4, and one side of transparent conductive film 4 is connected in one side of transparent no base double faced adhesive tape laminating layer 3.
The etching paste is printed on the transparent conductive film 4 by a roll-to-roll screen printing method on the transparent conductive film 4 to form transparent non-conductive intervals 401 and transparent conductive circuit layers 402 on the transparent conductive film 4, wherein the transparent non-conductive intervals 401 and the transparent conductive circuit layers 402 are distributed in a staggered manner.
As shown in fig. 1, the method for manufacturing the transparent conductive film 4 includes:
1. the transparent conductive liquid is rolled on the PET base film layer 2 to prepare a transparent conductive film 4;
2. printing etching paste on the transparent conductive film 4 by a roll-to-roll screen printing mode, and losing the conductive performance of the printed pattern part through chemical reaction to prepare transparent non-conductive intervals 401, and preparing a transparent conductive circuit layer 402 by retaining the conductive performance of the non-pattern part;
3. removing redundant etching paste by roll-to-roll spray cleaning;
wherein, the formula of the transparent conductive liquid and the printable aqueous etching paste is the prior art.
The transparent conductive film 4 is formed by roll-coating a transparent conductive liquid on the PET base film layer 2, and the thickness of the transparent conductive film 4 is 10-15 micrometers.
As shown in fig. 1, the transparent conductive liquid includes a water-soluble indium compound, a halogen-containing water-soluble organotin compound, and a water-soluble organic high molecular compound, so that the transparent conductive film 4 is formed with high transmittance and little deviation in conductivity.
The LCD display unit 1 comprises a protection frame 5, wherein the inner surface of the protection frame 5 is provided with a concave, and the concave of the protection frame 5 is matched with the outer surface of the LCD display unit 1.
As shown in fig. 3, 5 and 6, the periphery of the LCD display unit 1 is located in the concave portion of the protective frame 5, and the LCD display unit 1 is positioned inside the protective frame 5, so as to provide protection for the LCD display unit 1, and facilitate transportation and assembly of a large-sized commercial display touch panel including the LCD display unit 1.
The protection frame 5 is provided with a flexible lining 6 in a concave mode, the flexible lining 6 is of a concave design, and the side wall of the flexible lining 6 is provided with heat dissipation notches 7 in a linear array.
As shown in fig. 3, 5, 6 and 7, the flexible lining 6 is made of flexible materials, so that flexible contact is generated between the protection frame 5 and the LCD display unit 1, the protection capability of the protection frame 5 on the LCD display unit 1 is further improved, and the heat dissipation notch 7 on the flexible lining 6 can facilitate heat at the LCD display unit 1 to pass through the flexible lining 6, thereby being beneficial to heat dissipation of the LCD display unit 1.
The inside of protection frame 5 has seted up heat dissipation cavity 8, and the inside of heat dissipation cavity 8 is provided with heat conduction board 9, and the both sides of heat conduction board 9 all are provided with the heat conduction gum.
As shown in fig. 5 and 6, the heat conducting back glue (not shown) is coated on two sides of the heat conducting plate 9, so that the heat conducting capability of the heat conducting plate 9 can be improved, and the heat of the LCD display unit 1 can be better conducted to the heat conducting plate 9 and conducted out through the heat conducting plate 9.
Two heat dissipation air ducts 10 are formed in the inner surface of the heat dissipation cavity 8, the cross section of each heat dissipation air duct 10 is trapezoid, and the top and the bottom of each heat dissipation air duct 10 are communicated with the outside of the protection frame 5.
As shown in fig. 3, 4, 5 and 6, the heat dissipation air duct 10 is located at one side of the heat conduction plate 9 away from the LCD display unit 1, so that dust in air flow inside the heat dissipation air duct 10 cannot contact the LCD display unit 1, and the top and bottom of the heat dissipation air duct 10 are both communicated with the outside of the protection frame 5, so that external air flow can pass through the inside of the heat dissipation air duct 10, and the heat dissipation air duct 10 has a trapezoid cross section, so that the compression resistance of the outside of the protection frame 5 when the heat dissipation air duct 10 is opened can be increased.
The heat of LCD display unit 1 can be conducted to the heat conduction board 9 in the outside, and the heat conduction board 9 is more convenient for thermal conduction, then outside air current takes away the heat on heat conduction board 9 surface when through heat dissipation wind channel 10 inside to supplementary LCD display unit 1's heat dissipation, the heat of being convenient for LCD display unit 1 in time discharges, promotes LCD display unit 1's life.
Compared with the related art, the flexible large-size commercial display touch panel provided by the utility model has the following beneficial effects:
etching paste is printed on the transparent conductive film 4 in a roll-to-roll screen printing mode to form a transparent non-conductive interval 401 and a transparent conductive circuit layer 402, and the transparent non-base double faced adhesive tape lamination layer 3 (OCA lamination layer) is matched to replace an ITO conductive circuit in the prior art to connect the LCD display unit 1 close to the PET base film layer 2 together, so that a single Zhang Shengchan mode is converted into a roll-to-roll production mode, the production efficiency is improved, and the gap lamination is upgraded to planar lamination, so that the display definition of the touch panel of the display is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a flexible large-scale commercial display touch panel, includes LCD display element (1) and PET basic film layer (2), its characterized in that, one side that LCD display element (1) is close to PET basic film layer (2) is provided with transparent no base double faced adhesive tape laminating layer (3), one side that PET basic film layer (2) is close to LCD display element (1) is provided with transparent conducting film (4), one side of transparent conducting film (4) is connected in one side of transparent no base double faced adhesive tape laminating layer (3);
the etching paste is printed on the transparent conductive film (4) through a roll-to-roll screen printing mode, transparent non-conductive intervals (401) and transparent conductive circuit layers (402) are formed on the transparent conductive film (4), and the transparent non-conductive intervals (401) and the transparent conductive circuit layers (402) are distributed in a staggered mode.
2. The flexible large-size commercial display touch panel according to claim 1, wherein the transparent conductive film (4) is a transparent conductive liquid roll-coated on the PET base film layer (2), and the thickness of the transparent conductive film (4) is 10-15 micrometers.
3. The flexible large-size commercial display touch panel according to claim 1, wherein the LCD display unit (1) comprises a protective frame (5), the inner surface of the protective frame (5) is provided with a concave, and the concave of the protective frame (5) is adapted to the outer surface of the LCD display unit (1).
4. The touch panel of the large-size flexible commercial display according to claim 3, wherein the flexible lining (6) is arranged in the concave part of the protective frame (5), the flexible lining (6) is designed in a concave way, and the side wall of the flexible lining (6) is provided with heat dissipation notches (7) in a linear array.
5. The flexible large-size commercial display touch panel according to claim 4, wherein the protection frame (5) is provided with a heat dissipation cavity (8), the heat dissipation cavity (8) is provided with a heat conduction plate (9), and both sides of the heat conduction plate (9) are provided with heat conduction back glue.
6. The touch panel of the large-size flexible commercial display according to claim 5, wherein two heat dissipation air channels (10) are formed in the inner surface of the heat dissipation cavity (8), the cross section of each heat dissipation air channel (10) is trapezoid, and the top and the bottom of each heat dissipation air channel (10) are communicated with the outside of the protection frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321622011.4U CN220208239U (en) | 2023-06-26 | 2023-06-26 | Flexible large-size commercial display touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321622011.4U CN220208239U (en) | 2023-06-26 | 2023-06-26 | Flexible large-size commercial display touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220208239U true CN220208239U (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321622011.4U Active CN220208239U (en) | 2023-06-26 | 2023-06-26 | Flexible large-size commercial display touch panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN220208239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117750849A (en) * | 2024-02-20 | 2024-03-22 | 西安电子科技大学 | Preparation method of large-area flexible perovskite solar cell and cell |
-
2023
- 2023-06-26 CN CN202321622011.4U patent/CN220208239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117750849A (en) * | 2024-02-20 | 2024-03-22 | 西安电子科技大学 | Preparation method of large-area flexible perovskite solar cell and cell |
| CN117750849B (en) * | 2024-02-20 | 2024-05-31 | 西安电子科技大学 | Preparation method of large-area flexible perovskite solar cell and cell |
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