CN218710107U - Shading film for light-sensitive hole of mobile phone - Google Patents
Shading film for light-sensitive hole of mobile phone Download PDFInfo
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- CN218710107U CN218710107U CN202222097066.XU CN202222097066U CN218710107U CN 218710107 U CN218710107 U CN 218710107U CN 202222097066 U CN202222097066 U CN 202222097066U CN 218710107 U CN218710107 U CN 218710107U
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Abstract
The utility model relates to a mobile phone light-sensitive hole shading film, which comprises a glue area and a non-glue area, wherein the glue area is designed into a shape like a Chinese character '1' or a Chinese character 'U'; the non-glue area is close to the light sensing hole, and the glue area is far away from the light sensing hole. The glue area is 1-shaped, and the glue-free area is 1-shaped. The width of the glue-free area is 0.2 mm-0.5 mm. The glue area is designed into a U shape and designed around the light sensing hole, and the glue-free area is designed at the concave part of the U-shaped glue area, and the width of the glue area is 0.2 mm-0.5 mm. Wherein the left and right distances between the U-shaped glue area and the light sensing hole are 0.5 mm-0.8 mm. Preferably, the light shielding film has an interference length of 0.2mm to 0.3mm. The tail end of the shading film of the utility model is provided with an interference length, and the tail end is closely stuck with the cover plate to shade the weak light scattered by the backlight; meanwhile, the light shielding film is designed to be a glue area and a non-glue area, and the non-glue area is designed near the light shielding hole, so that the problem that the light sensation of the mobile phone is influenced by residual glue when the glue surface touches the light sensation hole is solved.
Description
Technical Field
The utility model belongs to the technical field of the display module assembly, concretely relates to cell-phone light sense hole photomask.
Background
All there is the light sense hole on the display module group apron, and the cell-phone adjusts the luminance of display screen through the light sense hole response ambient light's light and shade. The photosensitive device is very sensitive to light induction, and when the display module assembly worked, some weak light can be scattered through the edge of being shaded, and light scattering arrives the photosensitive device, can influence the misidentification of photosensitive device to ambient light. Therefore, it is conventional to attach a black light-shielding film to the backlight frame and the LCD in the light-sensing area to shield the weak light scattered from the backlight. However, in the existing design, the light shielding film is flush with the cover plate, and after the light shielding film is attached, the light leakage occurs in proportion, so that the light sensing effect of the mobile phone is influenced. Meanwhile, the shading film and the attached surfaces of the backlight and the LCD component are provided with glue, the light sensing holes are touched by the glue surface in the attaching process of the shading film, so that glue is remained on the light sensing holes, the light sensing function of the mobile phone is influenced, and customer complaints, returned goods and reworking and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of above-mentioned prior art, provide a cell-phone light sense hole photomask design, aim at overcoming the light leak that prior art exists and phenomenons such as cull.
In order to solve the technical problem, the technical scheme of the utility model is that: the light-sensitive hole shading film for the mobile phone comprises a glue area and a non-glue area, wherein the glue area is in a shape like a Chinese character '1' or a Chinese character 'U'; the glue-free area is close to the light sensing hole, and the glue area is far away from the light sensing hole; the glue area is 1-shaped, the width of the glue-free area is T1, and the value of T1 is 0.2 mm-0.5 mm; the glue area is U-shaped, the width of the glue-free area is T2, the value of T2 is 0.2 mm-0.5 mm, the widths of the left and right distance light sensing holes of the U-shaped glue area are T3 and T4, T3= T4, and the value of T3 or T4 is 0.5 mm-0.8 mm; the shading film is provided with an interference length which is 0.2 mm-0.3 mm.
As a preferred technical scheme, the shading film comprises a black PET base film, an acrylic acid pressure-sensitive adhesive and a single-sided release protective film.
As a preferred technical scheme, the thickness of the acrylic pressure-sensitive adhesive is 28-34 μm.
As a preferred technical scheme, the thickness of the PET basal membrane is 0.03mm.
As a preferred technical scheme, the thickness of the single-sided release protective film is 0.03-0.035 mm.
Preferably, the light-shielding film has an adhesion of 800 to 1200gf/25mm.
Preferably, the light-shielding film has a holding power of 0 to 0.5mm.
Preferably, the light-shielding film has a peeling force of 5 to 25gf/50mm.
According to a preferable technical scheme, the material of the glue-free area is black PET, the material of the glue-containing area is a composite material of the black PET and the glue material, and the material of the PET is FT12BT.
Preferably, a reflective film is provided on the inner layer of the light-shielding film.
The utility model discloses for prior art gain following technological effect: (1) The tail end of the shading film is provided with an interference length, the shading film is attached to the cover plate area and is attached to each LCD component, the tail end of the shading film is closely adhered to the cover plate, or the interference length is upwards attached to the cover plate in an interference mode, so that the shading film completely covers weak light scattered by backlight; (2) The light shielding film is designed to be a glue area and a non-glue area, and the non-glue area is designed near the light shielding hole, so that the problems that glue is remained on the light sensing hole due to the fact that the glue surface touches the light sensing hole, the light sensing function of a mobile phone is influenced, and customer complaints, returned goods and reworking and the like are caused are solved.
Description of the drawings:
fig. 1 is a schematic view of a light shielding film for a light sensing hole of a mobile phone according to an embodiment of the present invention;
FIG. 2 is a schematic view of an attached side structure of a light shielding film according to an embodiment of the present invention;
fig. 3 is a schematic view of a front structure of a light shielding film attached mobile phone according to an embodiment of the present invention;
description of the reference numerals
A light sensing hole 1; a glue area 2; a glue-free zone 3; a cover plate 4; a light shielding film 5; a backlight 6; an LCD section 7; the interference length 8.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, in which the technical solution of the present invention is clearly and completely described. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the product of the present invention is usually placed when in use, or the orientation or positional relationship that a person skilled in the art usually understands, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
As shown in fig. 1 and fig. 3, a light shielding film 5 of a light sensing hole 1 of a mobile phone according to an embodiment of the present invention is schematically shown. The shading film 5 comprises a glue area 2 and a glue-free area 3, wherein the glue area 2 is designed to be 1-shaped or U-shaped; the non-glue area 3 is close to the light sensing hole 1, and the glue area 2 is far from the light sensing hole 1. The glue area 2 is in a shape of '1', and the glue-free area 3 is also in a shape of '1'. The width of the glue-free area 3 is T1, and the value of T1 is 0.2 mm-0.5 mm. The glue area 2 is designed to be U-shaped and designed around the light sensing hole 1, the glue-free area 3 is designed at the concave part of the U-shaped glue area 2, the width is T2, and the value of T2 is 0.2 mm-0.5 mm. The widths of the left and right distances from the light sensing hole 1 to the U-shaped glue area 2 are T3 and T4, T3= T4, and the value of T3 or T4 is 0.5 mm-0.8 mm.
As shown in fig. 2, the light shielding film 5 is preferably provided with an interference length 8, and the interference length 8 is preferably 0.2mm to 0.3mm.
Preferably, the light-shielding film 5 includes a black PET base film, an acrylic pressure-sensitive adhesive, and a single-sided release protective film, which are stacked. The adhesive film with a thinner total thickness is formed by coating an extremely thin adhesive (acrylic acid) on an ultrathin black PET substrate and then adding a single-sided release protective film. The black PET base film can play a good shading effect.
Preferably, the acrylic pressure sensitive adhesive has a thickness of 28 to 34 μm. The ultra-thin adhesive tape can realize extremely low thermal resistance, and meanwhile, the adhesive tape is extremely thin, so that the occupied space can be reduced to the maximum extent.
Preferably, the thickness of the PET base film is 0.03mm. The thickness of the single-sided release protective film is 0.03 mm-0.035 mm.
Preferably, the light-shielding film 5 has an adhesive force of 800 to 1200gf/25mm. The holding force of the light shielding film 5 is 0 to 0.5mm.
The peeling force of the light shielding film 5 is 5 to 25gf/50mm. With such a design, the light shielding film 5 is less likely to generate residual glue when peeled off, thereby reducing the influence on the light sensing function of the light sensing hole 1.
Preferably, the non-glue area 3 is made of black PET, the glue area 2 is made of a composite material of the black PET and the glue material, and the PET is made of FT12BT.
Preferably, in order to further reduce the influence of the leaked light on the light sensation of the mobile phone, a reflective film is provided on the inner layer of the light shielding film 5 to reflect the leaked light back.
As shown in fig. 2, the light shielding film 5 is attached to the corresponding position of the iron frame of the backlight 6 by using a clamp, and then is smoothed towards the end of the cover plate 4; the shading film 5 in the area of the cover plate 4 is flicked downwards by using a cotton swab, so that the shading film 5 is attached to the LCD component 7, and meanwhile, the interference length 8 arranged at the tail end of the shading film 5 is tightly attached to the cover plate 4, so that the shading film 5 completely covers weak light scattered by the backlight 6.
Claims (9)
1. A mobile phone light-sensitive hole shading film is characterized by comprising a glue area and a non-glue area, wherein the glue area is in a shape like a Chinese character '1' or a Chinese character 'U'; the non-glue area is close to the light sensing hole, and the glue area is far away from the light sensing hole; when the glue area is in a shape of '1', the width of the glue-free area is T1, and the value of T1 is 0.2 mm-0.5 mm; when the glue area is in a U shape, the width of the glue-free area is T2, the value of T2 is 0.2 mm-0.5 mm, the left and right distances between the glue area and the light sensing hole in the U shape are T3 and T4, the T3= T4, and the value of T3 or T4 is 0.5 mm-0.8 mm; the shading film is provided with an interference length which is 0.2 mm-0.3 mm.
2. The light shielding film for the light holes of mobile phones of claim 1, wherein the light shielding film comprises a black PET base film, an acrylic pressure sensitive adhesive and a single-sided release protective film.
3. The light shielding film for mobile phone light holes as claimed in claim 2, wherein the thickness of the acrylic pressure sensitive adhesive is 28-34 μm.
4. The light shielding film for mobile phone light holes as claimed in claim 2, wherein the thickness of the PET base film is 0.03mm.
5. The light shielding film for the light holes of mobile phones according to claim 2, wherein the thickness of the single-sided release protective film is 0.03mm to 0.035mm.
6. The light shielding film for mobile phone light sensation hole according to claim 1, wherein the adhesion of the light shielding film is 800 to 1200gf/25mm.
7. The light shielding film for mobile phone light holes of claim 6, wherein the light shielding film has a holding power of 0 to 0.5mm.
8. The light-shielding film for mobile phone lights hole of claim 7, wherein the light-shielding film has a peeling force of 5 to 25gf/50mm.
9. The mobile phone light shading film as claimed in claim 1, wherein a reflective film is disposed on the inner layer of the shading film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222097066.XU CN218710107U (en) | 2022-08-10 | 2022-08-10 | Shading film for light-sensitive hole of mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222097066.XU CN218710107U (en) | 2022-08-10 | 2022-08-10 | Shading film for light-sensitive hole of mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218710107U true CN218710107U (en) | 2023-03-24 |
Family
ID=85629075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222097066.XU Active CN218710107U (en) | 2022-08-10 | 2022-08-10 | Shading film for light-sensitive hole of mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218710107U (en) |
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2022
- 2022-08-10 CN CN202222097066.XU patent/CN218710107U/en active Active
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