CN219414525U - Diffusion film module with black back glue and touch key module - Google Patents
Diffusion film module with black back glue and touch key module Download PDFInfo
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- CN219414525U CN219414525U CN202320541647.XU CN202320541647U CN219414525U CN 219414525 U CN219414525 U CN 219414525U CN 202320541647 U CN202320541647 U CN 202320541647U CN 219414525 U CN219414525 U CN 219414525U
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Abstract
The utility model discloses a diffusion film module with black back glue, which comprises a diffusion film body, wherein the diffusion film body comprises at least one key area, one key area corresponds to one touch key, the diffusion film module also comprises the black back glue arranged on one side surface of the diffusion film body, the black back glue comprises a shading area and at least one light transmission area, and one light transmission area corresponds to one key area. The diffusion film module can form shielding to other areas outside the key area, and light leakage of the lighted LED lamp on the other areas outside the key area is prevented. The utility model also provides a touch key module which comprises the diffusion film module.
Description
Technical Field
The utility model relates to a touch technology, in particular to a diffusion film module with black back glue and a touch key module.
Background
The touch key is based on a touch screen technology, an independently controlled key area is formed on a key area outside a display area, and in order to perform touch feedback on the touch key, an LED lamp is usually additionally arranged below the touch key, and when the touch key senses touch operation, the LED lamp is lightened so as to inform a user that the touch operation is effective. In order to make the light provided by the LED lamp more uniform and softer, a diffusion film is often arranged between the touch key and the LED lamp, and the diffusion film is utilized to carry out diffusion treatment on the light formed by the LED lamp.
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.
However, light formed by the LED lamps diverges and irradiates the key area to form light leakage after being lightened, especially when a plurality of touch keys are arranged on the touch screen, the light can cross talk between adjacent touch keys.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the diffusion film module with the black back adhesive, which can form shielding to other areas outside a key area and prevent the lighted LED lamp from forming light leakage on the other areas outside the key area.
The utility model also provides a touch key module which comprises the diffusion film module.
The technical problems to be solved by the utility model are realized by the following technical scheme:
the utility model provides a take diffusion barrier module of black gum, includes the diffusion barrier body, the diffusion barrier body includes at least one button region, and a button region corresponds to a touch-control button, still including set up in black gum on one of them side surface of diffusion barrier body, black gum includes shading area and at least printing opacity region, and a printing opacity region corresponds a button region.
Further, the light-transmitting area is a hollowed-out area.
Further, the light shielding region includes at least one peripheral region, one peripheral region corresponds to one light transmitting region, and each peripheral region surrounds the periphery of the corresponding light transmitting region.
Further, the light shielding region further includes at least one connection region, one connection region corresponds to two adjacent peripheral regions, and each light transmitting region is connected between the two corresponding connected peripheral regions.
Further, the diffusion film further comprises a release film, wherein the release film is arranged on one surface of the black back adhesive, which is opposite to the diffusion film body.
The touch key module comprises a touch screen, a lamp strip and the diffusion film module, wherein the touch screen is attached to a black back adhesive of the diffusion film module, and the lamp strip is arranged on the surface of one side of the diffusion film body, which is opposite to the touch screen; the touch screen comprises at least one touch key, the light bar comprises at least one LED lamp, and the key area of the diffusion film module corresponds to the touch key of the touch screen and the LED lamp of the light bar uniformly.
Further, the touch screen comprises a display area and a frame area, wherein the frame area surrounds the display area; the touch key is arranged on the frame area.
Further, the touch screen further comprises a touch functional layer, the touch functional layer comprises a touch electrode array located on the display area and at least one touch electrode block located on the frame area, and one touch electrode block corresponds to one touch key.
Further, the touch screen further comprises a protective cover plate and frame ink, wherein the frame ink is arranged on a frame area of the protective cover plate and is positioned between the protective cover plate and the touch electrode block; the frame ink comprises at least one light-transmitting key pattern, and one light-transmitting key pattern corresponds to one touch key.
Further, the frame ink is black ink.
The utility model has the following beneficial effects: according to the diffusion film module, the black back glue is arranged on the diffusion film body to replace transparent back glue in the prior art, the black back glue is utilized to shield and absorb light, the light located in other areas outside the key area of the diffusion film body is shielded and absorbed, the light is prevented from penetrating through other areas outside the key area of the diffusion film body, the lighted LED lamp can be prevented from forming light leakage in other areas outside the key area, and the range of each key area is limited on the diffusion film body through the light-transmitting area on the black back glue, so that the alignment precision between the key area and the touch keys is improved during the later-stage touch screen lamination.
Drawings
For a clearer description of the solution in the present application, a brief description will be given below of the drawings that are needed in the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic stacking diagram of a diffusion film module according to the present utility model.
Fig. 2 is a schematic structural diagram of a diffusion film body in the diffusion film module provided by the utility model.
Fig. 3 is a schematic structural diagram of a black back adhesive in a diffusion film module according to the present utility model.
Fig. 4 is a schematic stacking diagram of a touch key module according to the present utility model.
Fig. 5 is a schematic view of a touch screen area in the touch key module provided by the utility model.
Fig. 6 is a schematic stacking diagram of a touch screen in a touch key module 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 describing 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. 1-3, a diffusion film module with a black back adhesive includes a diffusion film body 11, where the diffusion film body 11 includes at least one key area 111, one key area 111 corresponds to one touch key, and further includes a black back adhesive 12 disposed on one side surface of the diffusion film body 11, where the black back adhesive 12 includes a light shielding area 122 and at least one light transmitting area 121, and one light transmitting area 121 corresponds to one key area 111.
According to the diffusion film module, the black back glue 12 is arranged on the diffusion film body 11 to replace transparent back glue in the prior art, light on other areas 112 outside the key areas 111 of the diffusion film body 11 is shielded and absorbed by utilizing the shielding and absorption effect of the black back glue 12 on light, light is prevented from penetrating through the other areas 112 outside the key areas 111 of the diffusion film body 11, light leakage of the lighted LED lamp on the other areas 112 outside the key areas 111 can be prevented, and the range of each key area 111 is limited on the diffusion film body 11 through the light-transmitting area 121 on the black back glue 12, so that the alignment precision between the key areas 111 and the touch keys is improved during the later-stage touch screen lamination.
The thickness of the diffusion film body 11 is between 0.1 and 0.15 mm.
The black back glue 12 may be located on the light facing surface (the surface facing the light bar) of the diffusion film body 11, or may be located on the backlight surface (the surface facing the touch screen) of the diffusion film body 11.
The light-transmitting area 121 is a hollowed-out area, and the hollowed-out area is formed by the black back adhesive 12 after being die-cut by a cutter knife die.
The light shielding region 122 includes at least one peripheral region 1221, one peripheral region 1221 corresponding to one light transmitting region 121, and each peripheral region 1221 surrounding the periphery of the corresponding light transmitting region 121.
In this embodiment, each key region 111 on the diffusion film body 11 is a circular region, so each light-transmitting region 121 on the black adhesive-backed 12 is also a corresponding circular region, and each peripheral region 1221 on the black adhesive-backed 12 is a corresponding circular region so as to surround the outside of the corresponding circular region.
Of course, in a specific implementation, each key area 111 on the diffusion film body 11 may be a triangular area, a rectangular area or other polygonal areas, and even may be an elliptical area or an irregular pattern area, so that specific requirements are determined; the shapes of the key areas 111 on the diffusion film body 11 may be the same, different, or partially the same or partially different. The shape of each light-transmitting region 121 on the black back adhesive 12 is adapted to the shape of the corresponding key region 111, and the shape of each peripheral region 1221 on the black back adhesive 12 is determined according to the specific shape of the corresponding light-transmitting region 121 and the specific shape of the diffusion film body 11.
If the number of the key areas 111 on the diffusion film body 11 is at least two, the light shielding area 122 further includes at least one connection area 1222, where one connection area 1222 corresponds to two adjacent peripheral areas 1221, and each light transmitting area 121 is connected between the two corresponding peripheral areas 1221.
In this embodiment, four key areas 111 on the diffusion film body 11 are provided, the four key areas 111 respectively correspond to four touch keys, the four key areas 111 are sequentially arranged, and the four key areas are surrounded by other areas 112 on the diffusion film body 11 blocked by the black back glue 12; the light shielding regions 122 have three connection regions 1222, which are respectively connected between two corresponding peripheral regions 1221.
The diffusion film module further comprises a release film 13, wherein the release film 13 is arranged on one surface of the black back adhesive 12, which is opposite to the diffusion film body 11.
The release film 13 is used for protecting the black back adhesive 12 of the diffusion film module in the production, circulation and transportation processes, so as to prevent the black back adhesive 12 from being stained with dust, fingerprints, scratched and the like in the production, circulation and transportation processes, and the release film 13 needs to be torn off before being attached to the touch screen.
Example two
As shown in fig. 4 and 5, a touch key 203 module includes a touch screen 2, a light bar 3, and a diffusion film module 1 according to an embodiment, wherein the touch screen 2 is attached to a black back glue 12 of the diffusion film module 1, and the light bar 3 is disposed on a surface of a side of the diffusion film body 11 facing away from the touch screen 2; the touch screen 2 includes at least one touch key 203, the light bar 3 includes at least one LED lamp 31, and the key area 111 of the diffusion film module 1 corresponds to the touch key 203 of the touch screen 2 and the LED lamp 31 of the light bar 3 uniformly.
The touch key 203 module attaches the touch screen 2 to the diffusion film body 11 through the black back glue 12, among the light rays emitted from the light bar 3, the light rays transmitted through the key region 111 of the diffusion film body 11 can pass through the light-transmitting region 121 on the black back glue 12 to reach the touch key 203 on the touch screen 2, while the light rays transmitted through other regions 112 of the diffusion film body 11 can be shielded and absorbed by the light shielding region 122 on the black back glue 12, and cannot reach the touch screen 2, and the lighted LED lamp 31 cannot form light leakage on other regions 112 outside the key region 111.
In this embodiment, the black back adhesive 12 is located on the back surface of the diffusion film body 11.
The colors of the LED lamps 31 corresponding to the touch keys 203 may be the same, or may be different, or may be partially the same or partially different.
Example III
As an optimization scheme of the second embodiment, in this embodiment, as shown in fig. 5 and 6, the touch screen 2 includes a display area 201 and a frame area 202, where the frame area 202 surrounds the display area 201; the touch key 203 is disposed on the frame area 202.
The touch screen 2 further includes a touch functional layer 23, where the touch functional layer 23 includes a touch electrode array 231 located on the display area 201, and at least one touch electrode block 232 located on the frame area 202, and one touch electrode block 232 corresponds to one touch key 203.
The touch screen 2 further comprises a protective cover plate 21 and frame ink 22, wherein the frame ink 22 is arranged on a frame area 202 of the protective cover plate 21 and is positioned between the protective cover plate 21 and the touch electrode block 232; the frame ink 22 includes at least one transparent key pattern 221, and one transparent key pattern 221 corresponds to one touch key 203.
Wherein, one touch electrode block 232 of the touch screen 2 and the corresponding light-transmitting key pattern 221 together form one touch key 203.
The border ink 22 is preferably, but not limited to, black ink.
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 utility model provides a take diffusion barrier module of black gum, includes the diffusion barrier body, the diffusion barrier body includes at least one button region, and a button region corresponds to a touch-control button, its characterized in that still including set up in black gum on one of them side surface of diffusion barrier body, black gum includes shading region and at least one printing opacity region, and a printing opacity region corresponds to a button region.
2. The diffusion film module with black back adhesive according to claim 1, wherein the light-transmitting area is a hollowed-out area.
3. The diffusion film module with black back adhesive according to claim 1, wherein the light shielding region includes at least one peripheral region, one peripheral region corresponding to one light transmitting region, each peripheral region surrounding the periphery of the corresponding light transmitting region.
4. A diffusion film module with a black back adhesive according to claim 3, wherein the light shielding region further comprises at least one connection region, one connection region corresponding to two adjacent peripheral regions, each light transmitting region being connected between the corresponding two connected peripheral regions.
5. The diffusion film module with black back glue according to claim 1, further comprising a release film disposed on a side of the black back glue facing away from the diffusion film body.
6. A touch key module, which is characterized by comprising a touch screen, a light bar and the diffusion film module of any one of claims 1-4, wherein the touch screen is attached to a black back adhesive of the diffusion film module, and the light bar is arranged on the surface of one side of the diffusion film body, which is away from the touch screen; the touch screen comprises at least one touch key, the light bar comprises at least one LED lamp, and the key area of the diffusion film module corresponds to the touch key of the touch screen and the LED lamp of the light bar uniformly.
7. The touch key module of claim 6, wherein the touch screen comprises a display area and a border area, the border area surrounding the display area; the touch key is arranged on the frame area.
8. The touch key module of claim 7, wherein the touch screen further comprises a touch functional layer, the touch functional layer comprising an array of touch electrodes located on the display area and at least one touch electrode block located on the bezel area, one touch electrode block corresponding to one touch key.
9. The touch key module of claim 8, wherein the touch screen further comprises a protective cover plate and a border ink, the border ink being disposed on a border region of the protective cover plate and between the protective cover plate and the touch electrode block; the frame ink comprises at least one light-transmitting key pattern, and one light-transmitting key pattern corresponds to one touch key.
10. The touch key module of claim 9, wherein the border ink is black ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320541647.XU CN219414525U (en) | 2023-03-17 | 2023-03-17 | Diffusion film module with black back glue and touch key module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320541647.XU CN219414525U (en) | 2023-03-17 | 2023-03-17 | Diffusion film module with black back glue and touch key module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219414525U true CN219414525U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320541647.XU Active CN219414525U (en) | 2023-03-17 | 2023-03-17 | Diffusion film module with black back glue and touch key module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219414525U (en) |
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2023
- 2023-03-17 CN CN202320541647.XU patent/CN219414525U/en active Active
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