CN215813624U - Novel side shading glue - Google Patents
Novel side shading glue Download PDFInfo
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- CN215813624U CN215813624U CN202120193603.3U CN202120193603U CN215813624U CN 215813624 U CN215813624 U CN 215813624U CN 202120193603 U CN202120193603 U CN 202120193603U CN 215813624 U CN215813624 U CN 215813624U
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Abstract
The utility model relates to the technical field of liquid crystal modules, and discloses a novel side shading glue which comprises a side shading glue body, wherein the side shading glue body comprises a side shading glue part, the side shading glue part comprises a black acrylic glue layer, an aluminum foil layer and a black insulating coating layer, the aluminum foil layer is arranged above the black acrylic glue layer, and the black insulating coating layer is arranged above the aluminum foil layer.
Description
Technical Field
The utility model relates to the technical field of liquid crystal modules, in particular to novel side light shading glue.
Background
The current liquid crystal module mainly comprises: the LCD comprises a Glass Cover plate (CG for short), an optically transparent double-sided adhesive (OCA for short), a first polarizer (upper polarizer for short), a Liquid Crystal Display (LCD for short), a second polarizer (lower polarizer for short), a backlight assembly and other components.
Glass apron itself substrate is transparent glass, and regional can print two-layer black shading printing ink (main part is black and cover black bottom) all around outside transparent display area, forms annular black shading area, but the black shading printing ink area at the top is close to glass apron border position and all designs the sensitization hole basically, and the realization scheme in sensitization hole is: two transparent apertures are reserved when printing black shading printing ink is regional to semi-permeable sensitization printing ink of the regional corresponding performance of printing in transparent aperture lets the light energy majority of corresponding wavelength see through, the sensitization hole is including keeping close to the limit apart from sensitization hole (Proximity sensor hole) and environment unthreaded hole (Ambient light hole), the position in sensitization hole is located glass apron top, and corresponding sensitization device can all be installed under glass apron sensitization hole position (cell-phone liquid crystal module backlight unit side). The photosensitive device is a device sensitive to light, but the backlight module of the liquid crystal module provides a light source for the whole liquid crystal module, a rubber frame in the backlight module is white or light gray, certain light transmittance can exist, the liquid crystal display screen also has a transparent edge, the optically transparent double-sided adhesive tape is wholly transparent, the components have certain light transmittance, light transmitted by the components can directly interfere with the photosensitive device, and the light sensing is disabled, so that a black shading adhesive needs to be pasted on one side of the liquid crystal module in the arrangement area of the photosensitive device and is used for shading the light transmitted by the side edge of the liquid crystal module.
Liquid crystal display among the liquid crystal module, the transparent double faced adhesive tape of optics and backlight unit's side all not on the coplanar, have the difference in height, and backlight unit and liquid crystal display's difference in height is the biggest especially, and the most common design value is 0.2mm, and above-mentioned design causes the shading to glue to paste the liquid crystal module side and be the unevenness, causes the shading to glue and hardly pastes firmly, just if initial state shading glues through pressing paste target in place, follow-up still can have the problem of bounce-back perk.
The shading glue is adhered to one side of the liquid crystal module, the width of the shading glue is approximately the size and is very small because the thickness of the liquid crystal module is only about 1.49mm, and the appearance of the glass cover plate is larger than that of the backlight assembly, so that the shading glue is manually adhered to the side edge of the whole liquid crystal module structure, the shading glue is difficult to adhere, and the operation speed is very slow.
The structure of the existing side shading glue is as follows: the double-layer structure of carrier film and side shading glue film, the effect of carrier film is conveniently artifical the taking and attached side shading glue.
The existing side shading glue attaching mode is manual attaching: firstly, manually taking the carrier film, and aligning the side shading glue to the alignment imprinting line on the back iron frame of the backlight assembly; secondly, the alignment engraving line is attached to the liquid crystal module; thirdly, removing the carrier film; and finally, bending and sticking the side shading glue to the corresponding position of the side surface of the liquid crystal module.
The existing side shading glue layer comprises a black PET substrate layer and an acrylic glue layer, and has the following defects:
1. manual alignment is needed, the attaching speed is slow, alignment engraving lines on an iron frame on the back of the backlight assembly can only be aligned firstly, the attachment is carried out after the alignment engraving lines are aligned, and then the side shading glue is wrapped on the side face of the liquid crystal module;
2. the black PET substrate layer is the plastic material, and the shortcoming that the bounce is great just exists itself, and in addition liquid crystal module side unevenness, especially liquid crystal display and backlight unit's difference in height reaches about 0.2mm, even paste shading glue and backlight unit and liquid crystal display through pressing down when attaching, but place the unusual of the local separation that will appear shading glue and backlight unit and liquid crystal display for a period of time, the certain degree light leak of appearance is unusual, causes the unqualified phenomenon of product.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a novel side light shielding adhesive which can reduce the rebound force after attachment, reduce the abnormity of light leakage of a product, improve the qualification rate of product attachment, improve the operation speed, improve the positioning precision and reduce the uncertainty of manual operation.
In order to achieve the purpose, the utility model provides a novel side shading glue, which comprises a side shading glue body, wherein the side shading glue body comprises a side shading glue part, the side shading glue part comprises a black acrylic glue layer, an aluminum foil layer and a black insulating coating layer, the aluminum foil layer is arranged above the black acrylic glue layer, and the black insulating coating layer is arranged above the aluminum foil layer.
Preferably, the side light-shielding glue body further comprises a bearing film and a dust separation film, the bearing film is arranged above the black insulating coating layer, and the dust separation film is arranged above the black acrylic glue layer.
Preferably, the area of the side light-shielding rubber part is smaller than that of the carrier film, and the area of the carrier film is smaller than that of the dust-separating film.
Preferably, the carrier film is provided with a plurality of positioning holes for positioning.
Preferably, the positioning holes are arranged linearly, each positioning hole comprises a first positioning hole and a second positioning hole, the first positioning hole is arranged on one side of the bearing film, and the second positioning hole is arranged on the other side of the bearing film.
Preferably, the adhesive force of the black acrylic adhesive layer is greater than 1200(g/25 mm).
Preferably, the thickness of the black insulating coating layer is between 0.001 and 0.01 mm.
Preferably, the thickness of the aluminum foil layer is between 0.01 and 0.05 mm.
Preferably, the thickness of the black acrylic adhesive layer is between 0.01 and 0.05 mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. the side shading glue part comprises a black acrylic glue layer, an aluminum foil layer and a black insulating coating layer, the aluminum foil layer is used as a center layer, the aluminum foil is used as a base material, the aluminum foil shaping effect is good, the aluminum foil layer has poor rebound property compared with that of a black PET base material layer, so that the novel side shading glue is attached to an uneven liquid crystal module, the rebound force after attachment can be reduced, the abnormity of light leakage of a product is reduced, and the qualified rate of product attachment is improved.
2. The positioning holes are matched with the positioning columns on the attaching jig, positioning can be completed only by sleeving the positioning holes on the positioning columns during attaching, the operation speed is improved, the positioning precision is improved, and the uncertainty of manual operation is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a conventional side light-shielding adhesive;
FIG. 2 is a cross-sectional view of a conventional side light-shielding adhesive attached to a liquid crystal module;
FIG. 3 is a top view of the novel side light-shielding adhesive provided by the present invention;
FIG. 4 is a cross-sectional view of a novel side light-shielding adhesive provided by the present invention;
FIG. 5 is a cross-sectional view of the novel side light-shielding adhesive attached to a liquid crystal module according to the present invention;
fig. 6 is a schematic step view of a novel method for attaching a side light shielding adhesive according to the present invention.
The figure includes:
1-side shading adhesive body, 2-side shading adhesive part, 21-black acrylic adhesive layer, 22-aluminum foil layer, 23-black insulating coating layer, 3-bearing film, 4-dust separation film, 31-positioning hole, 32-first positioning hole, 33-second positioning hole, 5-liquid crystal module, 51-glass cover plate, 52-optical transparent double-sided adhesive, 53-first polaroid, 54-liquid crystal display screen, 55-second polaroid, 56-backlight assembly, 57-existing side shading adhesive, 58-black PET substrate layer and 59-acrylic adhesive layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are one embodiment of the present invention, and not all embodiments of the present invention. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 3 to 5, an embodiment of the present invention provides a novel side light-shielding adhesive, including a side light-shielding adhesive body 1, where the side light-shielding adhesive body 1 includes a side light-shielding adhesive part 2, the side light-shielding adhesive part 2 includes a black acrylic adhesive layer 21, an aluminum foil layer 22 and a black insulating coating layer 23, the aluminum foil layer 22 is disposed above the black acrylic adhesive layer 21, the black insulating coating layer 23 is disposed above the aluminum foil layer 22, the side light-shielding adhesive part 2 uses the aluminum foil layer 22 as a central layer and uses an aluminum foil as a substrate, the aluminum foil has a good shaping effect, and the aluminum foil layer 22 has a poorer rebound property than that of the black PET substrate layer 58, so that the novel side light-shielding adhesive is attached to the liquid crystal module 5 with uneven side, which can reduce the rebound force after attachment, reduce the abnormality of light leakage of the product, and improve the qualification rate of product attachment.
Specifically, black ya keli glue film 21 and 5 direct contact of LCD module are as the first layer that is in the light, can absorb most light, aluminium foil layer 22 is the centre layer, and the layer that is in the light is said as the second, can block a small number of light that see through black ya keli glue film 21, black insulation coating layer 23 is as the third layer that is in the light, can further strengthen the effect that is in the light for light can block completely, makes the normal work of photosensitive device, also can improve photosensitive device's sensitization precision.
As shown in fig. 4, the side shading is glued body 1 and is still included carrier film 3 and from dirt membrane 4, carrier film 3 has been installed to black insulating coating layer 23 top, black ya keli glue film 21 top has been installed from dirt membrane 4, and is concrete, carrier film 3 has low viscidity, it does not have viscidity to leave dirt membrane 4, carrier film 3 is used for bearing side shading to glue part 2, also protects side shading to glue part 2 simultaneously, it is used for protecting black ya keli glue film 21 lower surface to leave dirt membrane 4 for black ya keli glue film 21 lower surface does not receive the pollution down, can not have debris such as dust, in attached use, gets rid of or tears from dirt membrane 4 for black ya keli glue film 21 is attached together with liquid crystal module 5, also can get rid of or tear carrier film 3 after attached the completion.
As shown in fig. 3, the area of the side light-shielding rubber member 2 (indicated by a dotted line in fig. 3) is smaller than that of the carrier film 3, the area of the carrier film 3 is smaller than that of the dust-separating film 4, and the side light-shielding rubber member 2 is disposed between the carrier film 3 and the dust-separating film 4.
As shown in fig. 3, a plurality of positioning holes 31 for positioning are formed in the carrier film 3, the positioning holes 31 are linearly arranged, the positioning holes 31 include a first positioning hole 32 and a second positioning hole 33, the first positioning hole 32 is formed in one side of the carrier film 3, and the second positioning hole 33 is formed in the other side of the carrier film 3.
Further, bear membrane 3 and have the dual function of bearing and location, the reference column cooperation on locating hole 31 and the attached tool, only need during attached with locating hole 31 suit on the reference column, can accomplish the location, improve the operation speed, improve positioning accuracy, reduce manual operation's uncertainty, adopt above-mentioned method to fix a position, just need not to wrap up the back chase of subassembly in a poor light with novel side shading glue on (as shown in fig. 5), so also reduced novel side shading glue and carried out 90 and buckle the bounce-back that aggravates of buckling, further reduced the bounce-back after attaching, reduce the anomaly of product light leak, improve the attached qualification rate of product.
The adhesive force of the black acrylic adhesive layer 21 is more than 1200(g/25 mm).
The thickness of the black insulating coating layer 23 is between 0.001 mm and 0.01mm, in the first embodiment, the thickness of the black insulating coating layer 23 is 0.005mm, and the thickness of the black insulating coating layer 23 can be selected according to actual production conditions, which is not limited in the first embodiment.
The thickness of the aluminum foil layer 22 is between 0.01mm and 0.05mm, in the first embodiment, the thickness of the aluminum foil layer 22 is 0.03mm, and the thickness of the aluminum foil layer 22 can be selected according to actual production conditions, which is not limited in the first embodiment.
The thickness of the black acrylic adhesive layer 21 is between 0.01mm and 0.05mm, in the first embodiment, the thickness of the black acrylic adhesive layer 21 is 0.025mm, and the thickness of the black acrylic adhesive layer 21 can be selected according to actual production conditions, which is not limited in the first embodiment.
Example two
Referring to fig. 5 and 6, a second embodiment of the present invention provides a method for attaching a novel side light shielding adhesive, including the following steps:
step S1: the side shading glue body 1 to be attached is manually taken out.
Step S2: and removing the dust separating film 4 on the side shading glue body 1.
Step S3: the liquid crystal module 5 which needs to be attached with the side shading glue is placed on the attaching jig to be positioned and fixed.
Specifically, in the second embodiment, the step S1 and the step S2 are performed first, and then the step S3 is performed, or the step S3 is performed first, then the step S1 and the step S2 are performed, so that the implementation effects are consistent, and the utility model is not strictly distinguished, and is within the protection scope of the utility model.
Step S4: the side edge light-shielding glue body 1 with the removed dust separating film 4 is placed on an attaching jig, and the positioning hole 31 is matched with a positioning column of the attaching jig.
Step S5: and attaching the side shading glue body 1 to the side of the liquid crystal module 5 and pressing.
Step S6: and removing the bearing film 3 on the side shading glue body 1.
The effect of the above attaching method is as shown in fig. 5, the above attaching method is simple in operation, greatly improves attaching efficiency, and improves attaching quality.
In this embodiment two, because 3 are equipped with the locating hole 31 that a plurality of is used for the location on the carrier film, locating hole 31 cooperates with the reference column on the attached tool, only need during attached with locating hole 31 suit on the reference column, can accomplish the location, improve the operation speed, improve positioning accuracy, reduce manual operation's uncertainty, adopt above-mentioned method to fix a position, just need not to wrap up the back chase of backlight unit with novel side shading glue (as shown in fig. 5) backward, so also reduced novel side shading glue and carried out 90 buckles and the bending bounce that aggravates, further reduced the bounce after attaching, reduce the anomaly of product, improve the attached qualification rate of product.
In conclusion, the beneficial effects of the utility model are as follows:
the side shading glue part 2 comprises a black acrylic glue layer 21, an aluminum foil layer 22 and a black insulating coating layer 23, the side shading glue part 2 takes the aluminum foil layer 22 as a central layer, takes an aluminum foil as a base material, and has a good aluminum foil shaping effect, and the rebound property of the aluminum foil layer 22 is poorer than that of a black PET base material layer 58, so that the novel side shading glue is attached to an uneven liquid crystal module 5, the rebound force after attachment can be reduced, the abnormity of light leakage of a product is reduced, and the qualification rate of product attachment is improved; according to the utility model, the bearing film 3 is provided with the plurality of positioning holes 31 for positioning, so that the bearing film 3 has double functions of bearing and positioning, the positioning holes 31 are matched with the positioning columns on the attaching jig, and when the bearing film is attached, the positioning can be completed only by sleeving the positioning holes 31 on the positioning columns, so that the operation speed is improved, the positioning precision is improved, and the uncertainty of manual operation is reduced.
Claims (9)
1. The utility model provides a novel side shading glue, its characterized in that, glues body (1) including the side shading, side shading glue body (1) is including side shading gluey part (2), side shading gluey part (2) are including black ya keli glue film (21), aluminium foil layer (22) and black insulating coating layer (23), aluminium foil layer (22) have been installed to black ya keli glue film (21) top, black insulating coating layer (23) have been installed to aluminium foil layer (22) top.
2. The novel side edge light-shielding adhesive as claimed in claim 1, wherein the side edge light-shielding adhesive body (1) further comprises a carrier film (3) and a dust-separating film (4), the carrier film (3) is disposed above the black insulating coating layer (23), and the dust-separating film (4) is disposed above the black acrylic adhesive layer (21).
3. A novel side shading glue according to claim 2, characterized in that the area of the side shading glue component (2) is smaller than the area of the carrier film (3), and the area of the carrier film (3) is smaller than the area of the dust-separating film (4).
4. A novel side shading glue according to claim 2, characterized in that a plurality of positioning holes (31) are arranged on the bearing film (3).
5. The novel side shading glue according to claim 4, wherein the positioning holes (31) are arranged linearly, the positioning holes (31) comprise a first positioning hole (32) and a second positioning hole (33), and one side of the carrier film (3) is provided with the first positioning hole (32) and the other side is provided with the second positioning hole (33).
6. A novel side shading glue according to claim 1, characterized in that the adhesive force of the black acrylic glue layer (21) is more than 1200(g/25 mm).
7. A novel side shading glue according to claim 1, wherein the thickness of the black insulating coating layer (23) is between 0.001-0.01 mm.
8. A novel side shading glue according to claim 1, wherein the thickness of the aluminium foil layer (22) is between 0.01-0.05 mm.
9. A novel side shading glue according to claim 1, wherein the thickness of the black acrylic glue layer (21) is between 0.01-0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120193603.3U CN215813624U (en) | 2021-01-23 | 2021-01-23 | Novel side shading glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120193603.3U CN215813624U (en) | 2021-01-23 | 2021-01-23 | Novel side shading glue |
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| Publication Number | Publication Date |
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| CN215813624U true CN215813624U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120193603.3U Active CN215813624U (en) | 2021-01-23 | 2021-01-23 | Novel side shading glue |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764255A (en) * | 2021-01-23 | 2021-05-07 | 东莞市德普特电子有限公司 | Novel side shading glue and attaching method thereof |
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2021
- 2021-01-23 CN CN202120193603.3U patent/CN215813624U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764255A (en) * | 2021-01-23 | 2021-05-07 | 东莞市德普特电子有限公司 | Novel side shading glue and attaching method thereof |
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