CN220008817U - Diffusion assembly with positioning holes, laminating jig and touch key - Google Patents
Diffusion assembly with positioning holes, laminating jig and touch key Download PDFInfo
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- CN220008817U CN220008817U CN202320333031.3U CN202320333031U CN220008817U CN 220008817 U CN220008817 U CN 220008817U CN 202320333031 U CN202320333031 U CN 202320333031U CN 220008817 U CN220008817 U CN 220008817U
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- positioning
- diffusion
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- region
- assembly
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 115
- 238000010030 laminating Methods 0.000 title claims description 10
- 229920002799 BoPET Polymers 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000003475 lamination Methods 0.000 description 13
- 239000012790 adhesive layer Substances 0.000 description 11
- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002346 layers by function Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model discloses a diffusion assembly with positioning holes, which comprises a diffusion film, a positioning film and a positioning plate, wherein the diffusion film comprises a first surface and a second surface which are opposite to each other; the positioning film comprises a bonding area corresponding to the diffusion film and a positioning area which is connected with the bonding area and extends to the outside of the diffusion film, and positioning holes are formed in the positioning area. The diffusion assembly is provided with the positioning holes, so that the attaching efficiency and the attaching yield of the diffusion film can be improved. The utility model also provides a fitting jig for the diffusion assembly and a touch key comprising the diffusion assembly.
Description
Technical Field
The utility model relates to the field of touch keys, in particular to a diffusion assembly with a positioning hole, a bonding jig and a touch key.
Background
At present, many on-vehicle apron and touch screen have the touch button, and there is the light source lamp strip below the touch button, in order to make the display effect printing opacity of touch button even, can add one deck diffusion barrier between touch button and light source lamp strip, the diffusion barrier is generally hugged closely on-vehicle apron or touch screen through the gum.
The utility model discloses a light guide structure of touch key according to chinese patent number CN202121728894.8, which comprises a circuit board, be provided with the LED lamp on the circuit board, the LED lamp symmetry sets up the upper and lower both sides at the circuit board, the circuit board is connected with the back of front panel, reflection portion has been seted up to the upper and lower both sides of front panel, the light through hole has been seted up to the back of reflection portion, the light through hole sets up with the LED lamp one-to-one, rectangular mounting hole has been seted up at the middle part of front panel, the front of reflection portion is provided with the diffusion piece, the diffusion piece sets up between front panel and TP glass. This light guide structure is connected the back of circuit board and front panel, the LED lamp is with inserting in the light hole, paste the diffusion piece at the back of TP glass, constitute a whole back with it, paste this whole and front panel's front together again, the light that the LED lamp sent is the reflection of reflection portion in getting into the diffusion piece, through diffusion piece self even light effect, become the even luminous light band of diffusion piece with diffusion piece, finally illuminate the touch key, can replace the effect of light guide cover with light evenly spread in the diffusion piece, the phenomenon of the bright spot in the light source center of furthest elimination.
However, because the automatic laminating equipment of diffusion barrier belongs to nonstandard equipment, needs the customization, and equipment price is expensive, consequently current diffusion barrier mostly adopts manual mode laminating on-vehicle apron and touch screen, also adopts manual counterpoint when laminating, laminating inefficiency, and the deviation of counterpointing appears easily moreover, influences the laminating yield.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a diffusion assembly with positioning holes, which can improve the lamination efficiency and lamination yield of a diffusion film.
The utility model also provides a fitting jig for the diffusion assembly and a touch key comprising the diffusion assembly.
The technical problems to be solved by the utility model are realized by the following technical scheme:
a diffusion assembly with positioning holes, comprising a diffusion film, wherein the diffusion film comprises a first surface and a second surface which are opposite to each other, and a positioning film which is attached to the first surface of the diffusion film; the positioning film comprises a bonding area corresponding to the diffusion film and a positioning area which is connected with the bonding area and extends to the outside of the diffusion film, and positioning holes are formed in the positioning area.
Further, the positioning area surrounds the periphery of the attaching area.
Further, the bonding region includes opposite first and second sides, the positioning region includes first and second positioning regions, the first positioning region is located on the first side of the bonding region, and the second positioning region is located on the second side of the bonding region.
Further, the number of the positioning holes is at least two, at least one positioning hole is positioned on the positioning area corresponding to the first side of the attaching area, and at least one positioning hole is positioned on the positioning area corresponding to the second side of the attaching area.
Further, the positioning film is a PET film.
Further, the diffusion film further comprises a back adhesive layer, and the back adhesive layer is attached to the second surface of the diffusion film.
Further, the diffusion film also comprises a release film, wherein the release film is attached to one surface of the back adhesive layer, which is opposite to the diffusion film.
The utility model provides a laminating tool, includes a tool bottom plate, be provided with the constant head tank on the one side surface of tool bottom plate and be located the external reference column of constant head tank, the reference column cooperatees with foretell diffusion subassembly's locating hole.
Further, a negative pressure hole communicated with the positioning groove is formed in the surface of the other side of the jig bottom plate.
The touch key comprises a touch screen, a light source lamp strip and the diffusion assembly, wherein the light source lamp strip is arranged on one side of the diffusion assembly with the positioning film, and the touch screen is arranged on the other side of the diffusion assembly without the positioning film; the touch screen comprises a touch electrode, the light source lamp bar comprises a light emitting device, and the diffusion component is located between the touch electrode and the light emitting device.
The utility model has the following beneficial effects: the diffusion assembly is characterized in that the positioning film is additionally arranged on the first surface of the diffusion film, the positioning hole on the positioning film is utilized to carry out lamination positioning with the touch screen, when lamination is carried out, the touch screen is firstly placed in the positioning groove of the positioning jig, then the diffusion film of the diffusion assembly faces the touch screen, the positioning column of the positioning jig penetrates into the positioning hole on the positioning film, and then the diffusion assembly is laminated on the touch screen, and as the relative position between the diffusion assembly and the positioning jig is limited through the positioning hole and the relative position between the diffusion assembly and the touch screen is limited through the positioning groove, the relative position between the diffusion assembly and the touch screen is also limited, and when lamination is carried out, the lamination efficiency and the lamination yield of the diffusion film are greatly improved; the positioning film can also protect the diffusion film.
Drawings
Fig. 1 is a schematic structural diagram of a diffusion component provided by the present utility model.
FIG. 2 is a schematic view of a cross-section A-A of the diffusion assembly shown in FIG. 1.
Fig. 3 is a schematic structural diagram of the attaching jig provided by the utility model.
Fig. 4 is a schematic structural diagram of a touch key according to the present utility model.
Detailed Description
The present utility model is described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1 and 2, a diffusion assembly 1 with positioning holes 123 includes a diffusion film 11, wherein the diffusion film 11 includes a first surface and a second surface opposite to each other, and a positioning film 12, and the positioning film 12 is attached to the first surface of the diffusion film 11; the positioning film 12 includes a bonding region 121 corresponding to the diffusion film 11, and a positioning region 122 connected to the bonding region 121 and extending to the outside of the diffusion film 11, and positioning holes 123 are provided in the positioning region 122.
According to the diffusion component 1, the positioning film 12 is additionally arranged on the first surface of the diffusion film 11, the positioning hole 123 on the positioning film 12 is utilized to carry out lamination positioning with the touch screen, when lamination is carried out, the touch screen is firstly placed in the positioning groove of the positioning jig, then the diffusion film 11 of the diffusion component 1 faces the touch screen, the positioning column of the positioning jig penetrates into the positioning hole 123 on the positioning film 12, then the diffusion component 1 is pressed on the touch screen, and as the diffusion component 1 limits the relative position between the diffusion component 1 and the positioning jig through the positioning hole 123 and limits the relative position between the diffusion component 1 and the touch screen through the positioning groove, the relative position between the diffusion component 1 and the touch screen is also limited, and when pressing is carried out, the lamination efficiency and lamination yield of the diffusion component 1 are greatly improved; the positioning film 12 also protects the diffusion film 11.
In a specific implementation manner, the positioning area 122 surrounds the periphery of the attaching area 121, and the number of the positioning holes 123 is at least two; the bonding region 121 includes opposite first and second sides, at least one positioning hole 123 is located on a positioning region 122 corresponding to the first side of the bonding region 121, and at least one positioning hole 123 is located on a positioning region 122 corresponding to the second side of the bonding region 121.
In this implementation, the attaching region 121 further includes a third side and a fourth side opposite to each other, and the positioning hole 123 may be provided on the positioning region 122 corresponding to the third side and the fourth side of the attaching region 121, if the spatial structure allows.
In this embodiment, the bonding region 121 has a length direction and a width direction, the length direction is perpendicular to the width direction, the bonding region 121 has a first dimension in the length direction, the bonding region 121 has a second dimension in the width direction, and the first dimension is greater than the second dimension; the first side and the second side are respectively two sides of the bonding region 121 along the length direction, and the third side and the fourth side are respectively two sides of the bonding region 121 along the width direction.
In another specific implementation, the attaching region 121 includes a first side and a second side opposite to each other, the number of the positioning holes 123 is at least two, the positioning region 122 includes a first positioning region 122 and a second positioning region 122, the first positioning region 122 is located on the first side of the attaching region 121, and the second positioning region 122 is located on the second side of the attaching region 121; at least one positioning hole 123 is located on a positioning area 122 corresponding to a first side of the bonding area 121, and at least one positioning hole 123 is located on a positioning area 122 corresponding to a second side of the bonding area 121.
In this implementation, the conforming region 121 also includes opposing third and fourth sides, each of which are aligned with a side of the diffusion membrane 11.
In this embodiment, the bonding region 121 has a length direction and a width direction, the length direction is perpendicular to the width direction, the bonding region 121 has a first dimension in the length direction, the bonding region 121 has a second dimension in the width direction, and the first dimension is greater than the second dimension; the first side and the second side are two sides of the attaching region 121 along the length direction, respectively.
The positioning film 12 is a transparent film, preferably a PET film, and the light transmittance can reach more than 90%.
The diffusion assembly 1 further comprises a backing adhesive layer 13, and the backing adhesive layer 13 is attached to the second surface of the diffusion film 11.
The back adhesive layer 13 is used for attaching the diffusion component 1 to the touch screen so as to make the light provided by the light source light bar 4 for the touch screen more uniform; the back adhesive layer 13 is a transparent back adhesive.
The diffusion assembly 1 further comprises a release film 14, wherein the release film 14 is attached to one surface of the backing adhesive layer 13, which is opposite to the diffusion film 11.
The release film 14 is used for protecting the back adhesive layer 13 of the diffusion assembly 1 during production, circulation, transportation and the like, so as to prevent the back adhesive layer 13 from being stained with dust, fingerprints, scratches and the like during production, circulation, transportation and the like, and the release film 14 needs to be torn off before being attached to the touch screen.
Example two
The utility model provides a laminating tool, includes a tool bottom plate 2, be provided with constant head tank 21 and be located on the surface of one side of tool bottom plate 2 the reference column 22 outside the constant head tank 21, reference column 22 cooperatees with the locating hole 123 of diffusion subassembly 1 described above.
When the touch screen 3 is used, the touch screen 3 is placed in the positioning groove 21 of the jig bottom plate 2, then the diffusion film 11 of the diffusion component 1 faces the touch screen 3, the positioning column 22 of the jig bottom plate 2 penetrates into the positioning hole 123 on the positioning film 12 of the diffusion component 1, and then the diffusion component 1 is pressed on the touch screen 3, and as the relative position between the jig bottom plate 2 and the diffusion component 1 is limited through the positioning column 22 and the relative position between the diffusion component 1 and the touch screen 3 is limited through the positioning groove 21, the relative position between the diffusion component 1 and the touch screen 3 is also limited, and when the diffusion component 1 and the touch screen 3 are pressed, relative offset does not occur, so that the lamination efficiency and the lamination yield of the diffusion film 11 are greatly improved.
The other side surface of the jig bottom plate 2 is provided with a negative pressure hole 23 communicated with the positioning groove 21.
The negative pressure hole 23 is used for being connected with a negative pressure device through an air pipe, so that negative pressure is formed between the positioning groove 21 and the touch screen 3 when the touch screen 3 and the diffusion assembly 1 are attached, and the touch screen 3 is adsorbed and fixed in the positioning groove 21.
Example III
As shown in fig. 4, a touch key comprises a touch screen 3, a light source light bar 4 and the above diffusion component 1, wherein the light source light bar 4 is arranged on one side of the diffusion component 1 with the positioning film 12, and the touch screen 3 is arranged on the other side of the diffusion component 1 without the positioning film 12; the touch screen 3 comprises a touch electrode 331, the light source light bar 4 comprises a light emitting device 41, and the diffusion component 1 is located between the touch electrode 331 and the light emitting device 41.
Specifically, the touch screen 3 includes a display area 301 and a peripheral area 302, and the peripheral area 302 surrounds the display area 301; the touch screen 3 further comprises a protective cover plate 31, a frame ink 32 and a touch functional layer 33, wherein the frame ink 32 is arranged on a peripheral area 302 of the protective cover plate 31, and the touch functional layer 33 is arranged on the frame ink 32 or on a display area 301 of the protective cover plate 31 and the frame ink 32 at the same time; a touch electrode 331 is formed on the portion of the touch functional layer 33 on the frame ink 32; the border ink 32 is formed with light-permeable key icons 321 corresponding to the touch electrodes 331.
The diffusion component 1 is attached to the border ink 32 of the touch screen 3 through the backing adhesive layer 13, and corresponds to the touch electrode 331 and the light-permeable key icon 321 on the touch screen 3.
Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present utility model and are not intended to limit the embodiments of the present utility model, and although the embodiments of the present utility model have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the embodiments of the present utility model may be modified or replaced with the same, and the modified or replaced technical solution may not deviate from the scope of the technical solution of the embodiments of the present utility model.
Claims (10)
1. The diffusion assembly with the positioning holes comprises a diffusion film, wherein the diffusion film comprises a first surface and a second surface which are opposite to each other, and the diffusion assembly is characterized by also comprising a positioning film, wherein the positioning film is attached to the first surface of the diffusion film; the positioning film comprises a bonding area corresponding to the diffusion film and a positioning area which is connected with the bonding area and extends to the outside of the diffusion film, and positioning holes are formed in the positioning area.
2. The positioning hole diffusion assembly of claim 1 wherein the positioning region surrounds the periphery of the conforming region.
3. The positioning hole diffusion assembly of claim 1 wherein the conforming region comprises opposing first and second sides, the positioning region comprising a first positioning region and a second positioning region, the first positioning region being located on the first side of the conforming region and the second positioning region being located on the second side of the conforming region.
4. A diffusion assembly with alignment holes according to claim 2 or 3, wherein the number of alignment holes is at least two, at least one alignment hole being located on an alignment area corresponding to a first side of the attachment area and at least one alignment hole being located on an alignment area corresponding to a second side of the attachment area.
5. The positioning hole-containing diffusion assembly of claim 1, wherein the positioning film is a PET film.
6. The positioning hole-containing diffusion assembly of claim 1 further comprising a backing layer that is adhered to the second surface of the diffusion membrane.
7. The positioning hole-containing diffusion assembly of claim 6, further comprising a release film attached to a side of the backing layer facing away from the diffusion film.
8. The utility model provides a laminating tool, includes a tool bottom plate, be provided with the constant head tank on the one side surface of tool bottom plate and be located the reference column outside the constant head tank, its characterized in that, the reference column cooperatees with the locating hole of diffusion subassembly of any one of claims 1-6.
9. The fitting jig according to claim 8, wherein a negative pressure hole communicating with the positioning groove is provided on the other side surface of the jig bottom plate.
10. The touch key is characterized by comprising a touch screen, a light source lamp strip and the diffusion assembly according to any one of claims 1-6, wherein the light source lamp strip is arranged on one side of the diffusion assembly with the positioning film, and the touch screen is arranged on the other side of the diffusion assembly without the positioning film; the touch screen comprises a touch electrode, the light source lamp bar comprises a light emitting device, and the diffusion component is located between the touch electrode and the light emitting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320333031.3U CN220008817U (en) | 2023-02-24 | 2023-02-24 | Diffusion assembly with positioning holes, laminating jig and touch key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320333031.3U CN220008817U (en) | 2023-02-24 | 2023-02-24 | Diffusion assembly with positioning holes, laminating jig and touch key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220008817U true CN220008817U (en) | 2023-11-14 |
Family
ID=88673266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320333031.3U Active CN220008817U (en) | 2023-02-24 | 2023-02-24 | Diffusion assembly with positioning holes, laminating jig and touch key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220008817U (en) |
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2023
- 2023-02-24 CN CN202320333031.3U patent/CN220008817U/en active Active
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