CN219869518U - Module capable of detecting lamination offset - Google Patents
Module capable of detecting lamination offset Download PDFInfo
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- CN219869518U CN219869518U CN202320551568.7U CN202320551568U CN219869518U CN 219869518 U CN219869518 U CN 219869518U CN 202320551568 U CN202320551568 U CN 202320551568U CN 219869518 U CN219869518 U CN 219869518U
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- 238000003475 lamination Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims description 26
- 239000012790 adhesive layer Substances 0.000 claims description 15
- 238000010030 laminating Methods 0.000 claims description 15
- 239000010410 layer Substances 0.000 claims description 11
- 239000003269 fluorescent indicator Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 4
- 230000003760 hair shine Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Abstract
The utility model provides a module capable of detecting lamination offset, which comprises a display main screen structure and a cover plate structure arranged on the display main screen structure, wherein the display main screen structure comprises a color film substrate, and a detection part is arranged on the color film substrate and is used for detecting whether lamination of the display main screen structure and the cover plate structure is offset or not. According to the utility model, through the detection part, the detection part can emit light under the irradiation of the specific light source, if the detection part with complete display can be seen, the problem of attaching deviation is not existed, if the detection part is shielded, the attaching deviation is indicated, the attaching deviation is left, right, upper, lower or rotation is indicated, if the detection part is not irradiated by the specific light source, the detection part does not display any color, the integral black effect is not influenced, and the detection part is not easy to be identified by naked eyes, so that whether the attaching deviation of the main display structure and the cover plate structure is detected comprehensively, and the product quality is improved.
Description
Technical Field
The utility model relates to the technical field of display modules, in particular to a module capable of detecting lamination deviation.
Background
After the mobile phone display module is attached to the cover plate and the display main screen, the situation of attaching deviation exists, because the LCD AA area and the cover plate VA area are black and have no difference in color, whether the attaching deviation is directly judged by naked eyes or not can not be judged, the situation of inspecting the attaching deviation at present is an online spot inspection product, the distance between the VA area and the AA area is measured under a secondary element, and 100% inspection can not be completely carried out on each product by the inspection method, so that the labor hour is consumed.
For example: chinese utility model patent: CN202210585045.4, disclosed "method for detecting assembly accuracy of backlight module based on machine vision", the specification discloses: with the wide spread of electronic products in the world today, the use of screens has emerged on a variety of electronic products, down to electronic watches, cell phones, up to tablet computers, car-mounted car phones, and all of which may be equipped with a screen. In the production process of such electronic products, there is necessarily a bonding process to the backlight module (screen). For example, in the laminating procedure of the backlight module (screen), the backlight module needs to be directly spliced with the rear protective shell, or the backlight module is laminated with the glass cover plate, in the present procedure, the quality inspection of the laminating procedure is to manually hold the vernier caliper and manually measure the distance between the outer edges of the two spliced modules, so as to determine whether the assembly precision meets the standard. However, the disadvantage of manual quality inspection is low efficiency and unstable measurement results, i.e. different results may be measured according to different personnel under different conditions; furthermore, vernier calipers may damage the screen during measurement. The above patent can be used to demonstrate the drawbacks of the prior art.
Therefore, we propose an improvement to this, a module for detecting the fitting deviation.
Disclosure of Invention
The utility model aims at: aiming at the existing condition of checking lamination offset, namely online spot inspection of products, measuring the distance between a VA area and an AA area under a secondary element, the checking method can not completely check 100% of each product, and the problem of labor hour consumption is solved.
In order to achieve the above object, the present utility model provides the following technical solutions:
the module of laminating offset can be detected to improve above-mentioned problem.
The utility model is specifically as follows:
including showing the main screen structure and setting up the apron structure on showing the main screen structure, show the main screen structure and including various membrane base plate, be provided with detection portion on the various membrane base plate, detection portion is used for detecting whether showing the laminating of main screen structure and apron structure and off normal.
In a preferred embodiment of the module for detecting a fitting deviation according to the present utility model, the detecting portion is a fluorescent indicator ring, and the fluorescent indicator ring is illuminated by a light source.
As a preferred embodiment of the module capable of detecting the lamination offset, the fluorescent indicator ring is coated on the surface of the color film substrate.
As a preferred implementation mode of the module capable of detecting the lamination offset, provided by the utility model, the color film substrate is provided with the BM ink layer, and the fluorescent indication ring is coated on the BM ink layer of the color film substrate, so that the fluorescent indication ring can be directly coated on the BM ink layer.
As a preferred embodiment of the module capable of detecting the fitting deviation, the cover plate structure comprises a cover plate main body, and the cover plate main body is arranged on the display main screen structure.
As a preferred embodiment of the module capable of detecting the lamination offset, the cover plate main body is provided with cover plate ink, and the cover plate ink is arranged on the cover plate main body in a frame shape.
As a preferred implementation mode of the module capable of detecting the lamination offset, provided by the utility model, the area, covered by the cover plate ink, of the cover plate main body is a non-visible area, the area, uncovered by the cover plate ink, of the cover plate main body is a visible area, and the visible area and the non-visible area of the cover plate main body can be conveniently distinguished through the arranged cover plate ink, so that the processing is convenient.
As a preferred implementation mode of the module capable of detecting the lamination offset, the display main screen structure further comprises an OCA optical adhesive layer, wherein the OCA optical adhesive layer is adhered to the cover plate main body, and one side, far away from the cover plate main body, of the OCA optical adhesive layer is connected with an upper polarizer.
As a preferred implementation mode of the module capable of detecting the lamination offset, provided by the utility model, one side of the upper polarizer, which is far away from the OCA optical adhesive layer, is connected with the color film substrate, one side of the color film substrate, which is far away from the upper polarizer, is connected with the array substrate, and the cover plate structure and the display main screen structure can be connected together through the OCA optical adhesive layer.
As a preferred implementation mode of the module capable of detecting the lamination offset, provided by the utility model, one side of the array substrate, which is far away from the color film substrate, is connected with a lower polarizer, one side of the lower polarizer, which is far away from the array substrate, is connected with a backlight, and the function of the backlight is to supply enough light sources with uniform brightness and distribution, so that the product can normally display images.
Compared with the prior art, the utility model has the beneficial effects that:
in the scheme of the utility model:
through the detection portion that sets up, detection portion can give out light under the illumination of specific light source, if can see the detection portion of complete demonstration, then indicate that there is not laminating deviation problem, if appear that detection portion is shielded the condition, then indicate laminating deviation, left side, right side, upward, down or rotatory, if no specific light source shines detection portion, then detection portion does not show any colour, do not influence integrative black effect, be difficult for the naked eye discernment to can detect comprehensively and show whether the laminating of main screen structure and apron structure deviates, improve product quality.
Drawings
FIG. 1 is a schematic diagram of a stack structure of a module capable of detecting a bonding bias according to the present utility model;
FIG. 2 is a schematic diagram of a module capable of detecting a fitting deviation according to the present utility model;
FIG. 3 is a schematic diagram of a partial structure of a module capable of detecting a fitting deviation according to the present utility model;
fig. 4 is an enlarged schematic view of a portion a of fig. 2 of the module for detecting a fitting deviation according to the present utility model.
The figures indicate:
1. displaying a main screen structure; 101. a backlight; 102. a lower polarizer; 103. an array substrate; 104. a color film substrate; 105. a polaroid is arranged on the upper surface of the substrate; 106. an OCA optical cement layer;
2. a cover plate structure; 201. a cover plate main body; 202. and (3) cover plate ink.
3. A fluorescent indicator ring;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. 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.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
As described in the background art, after the cover plate and the display main screen are attached, the mobile phone display module has the attaching deviation, because the LCD AA area and the cover plate VA area are black and have no difference in color, the attachment deviation cannot be directly determined by naked eyes, so that the existing attaching deviation checking method is an online spot checking product, and the distance between the VA area and the AA area is measured under the secondary element.
In order to solve the technical problem, the utility model provides a module capable of detecting lamination deviation, which is applied to lamination detection in the production process of a display screen.
Specifically, referring to fig. 1-4, the module for detecting the lamination offset specifically includes: including show main screen structure 1 and set up the apron structure 2 on showing main screen structure 1, show main screen structure 1 includes color film base plate 104, is provided with the detection portion on the color film base plate 104, and the detection portion is used for detecting whether laminating of showing main screen structure 1 and apron structure 2 is off normal.
According to the module capable of detecting the lamination offset, the detection part is arranged, the detection part can emit light under the irradiation of the specific light source, if the detection part with complete display can be seen, the lamination offset problem does not exist, if the detection part is shielded, the lamination offset is represented, the detection part is left, right, upper, lower or rotated, if the detection part is not irradiated by the specific light source, the detection part does not display any color, the integral black effect is not affected, and the detection part is not easy to identify by naked eyes, so that whether the lamination of the display main screen structure 1 and the cover plate structure 2 is offset can be comprehensively detected, and the product quality is improved.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
Referring to fig. 1-4, a module capable of detecting lamination offset includes a display main screen structure 1 and a cover plate structure 2 disposed on the display main screen structure 1, wherein the display main screen structure 1 includes a color film substrate 104, a detection portion is disposed on the color film substrate 104, and the detection portion is used for detecting whether lamination of the display main screen structure 1 and the cover plate structure 2 is offset.
The module that can detect laminating deviation that this embodiment provided through the detection portion that sets up, detection portion can give out light under the irradiation of specific light source, if the detection portion that can see complete demonstration, then indicate that there is not laminating deviation problem, if appear detection portion by the shielding condition, then indicate laminating deviation, the deviation left side, the deviation right side, the deviation is gone up, the deviation is rotatory, if no specific light source shines detection portion, then detection portion does not show any colour, do not influence integrative black effect, be difficult for discernment for the naked eye, thereby can detect comprehensively and show whether laminating of main screen structure 1 and apron structure 2 deviates from the position, improve product quality.
Example 2
The module capable of detecting the lamination offset provided in embodiment 1 is further optimized, specifically, the detection part is a fluorescent indication ring 3, the fluorescent indication ring 3 is lightened by a light source, the fluorescent indication ring 3 adopts a material which only emits light under specific light irradiation, for example, YAG fluorescent powder can emit yellow light with a wavelength of 530-560nm after being irradiated by a blue light with a wavelength of 450-470 nm;
similar phosphors are numerous, silicate phosphors, nitride phosphors, germanate phosphors, and the like.
Through the design, after the display main screen structure 1 and the cover plate structure 2 are attached, a specific light source is used for irradiation, if the fluorescent indication ring 3 which is completely displayed is seen, the attachment deviation problem does not exist, if the fluorescent indication ring 3 is shielded, the attachment deviation is represented, and the attachment deviation is left, right, up, down or rotation is represented, namely the attachment between the display main screen structure 1 and the cover plate structure 2 is disqualified, so that detection is realized, the condition that defective products flow into the market is reduced, and the overall quality is improved;
if no specific light source irradiates the fluorescent indication ring 3, the fluorescent indication ring 3 does not display any color, the integral black effect is not affected, and the fluorescent indication ring is not easy to identify by naked eyes.
Example 3
Further optimizing the module for detecting the fitting misalignment provided in embodiment 2, specifically, the fluorescent indicator ring 3 is coated on the surface of the color film substrate 104, so that the fluorescent indicator ring 3 can be directly coated on the color film substrate 4.
Example 4
Further optimizing the module for detecting the lamination offset provided in embodiment 2, specifically, the color film substrate 104 has a BM ink layer, and the fluorescent indicator ring 3 is coated on the BM ink layer of the color film substrate 104, so that the fluorescent indicator ring 3 can be directly coated on the BM ink layer of 4.
Example 5
The module capable of detecting the fitting deviation provided in the above embodiments is further optimized, as shown in fig. 1 and fig. 2, the cover structure 2 includes a cover main body 201, and the cover main body 201 is disposed on the display main screen structure 1.
The cover plate main body 201 is provided with cover plate ink 202, and the cover plate ink 202 is arranged on the cover plate main body 201 in a frame shape.
The area of the cover main body 201 covered by the cover ink 202 is a non-visible area, and the area of the cover main body 201 not covered by the cover ink 202 is a visible area.
The cover plate ink 202 can be used for conveniently distinguishing a visible area from an invisible area on the cover plate main body 201, so that the processing is convenient.
Example 6
In the further optimization of the module capable of detecting the lamination offset provided in the above embodiments, as shown in fig. 1 and fig. 2, the display main screen structure 1 further includes an OCA optical adhesive layer 106, the OCA optical adhesive layer 106 is adhered to the cover plate main body 201, one side of the OCA optical adhesive layer 106 away from the cover plate main body 201 is connected with the upper polarizer 105, and the cover plate structure 2 and the display main screen structure 1 can be connected together through the OCA optical adhesive layer 106.
OCA optical adhesive is one of the raw materials of important touch screens, is a special adhesive for cementing transparent optical elements, is prepared by making optical acrylic adhesive into a base-free material, then respectively attaching a release film on an upper bottom layer and a lower bottom layer, and is a double-sided adhesive tape without a base material.
The OCA optical adhesive is used for bonding electronic and optical components, so that the advantages of the OCA optical adhesive in the aspects of display brightness, luminous loss, contrast and the like of the device are obvious, the effect achieved by the OCA optical adhesive reduces the loss of light emitted by a display module, the brightness of a display is increased, the high transmittance is provided, and the energy consumption is reduced.
The contrast ratio can be increased, especially the contrast ratio under strong light irradiation, and the surface connection has higher intensity;
the adhesive strength is higher, and the falling resistance strength can be improved;
the OCA optical adhesive has smoother surface, no wrinkles, bubbles, impurities and almost no influence on the display image passing through the OCA optical adhesive;
the OCA optical cement can enlarge the visual area, does not yellow, has good defoaming effect, high yield and good reworking.
One side of the upper polarizer 105, which is far away from the OCA optical adhesive layer 106, is connected with the color film substrate 104, and one side of the color film substrate 104, which is far away from the upper polarizer 105, is connected with the array substrate 103.
The lower polarizer 102 is connected to one side of the array substrate 103 far away from the color film substrate 104, and the backlight 101 is connected to one side of the lower polarizer 102 far away from the array substrate 103, and the function of the backlight 101 is to supply enough light sources with uniform brightness and distribution, so that the product can display images normally.
Specifically, this module of detectable laminating deviation is at during operation/during the use: the upper polarizer 105 and the cover plate main body 201 are bonded and fixed together through the OCA optical adhesive layer 106, so that the bonding of the display main screen structure 1 and the cover plate structure 2 can be realized, after bonding is finished, a specific light source is used for irradiation, if the fluorescent indication ring 3 which is completely displayed is seen, the bonding deviation problem is not existed, if the fluorescent indication ring 3 is shielded, the bonding deviation is represented, and the bonding deviation is left, right, upper, lower or rotation.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.
Claims (10)
1. The utility model provides a detectable laminating offset's module, includes display main screen structure (1) and sets up apron structure (2) on display main screen structure (1), its characterized in that, display main screen structure (1) are including various membrane base plate (104), be provided with detection portion on various membrane base plate (104), detection portion is used for detecting whether laminating of display main screen structure (1) and apron structure (2) is offset.
2. The module for detecting the fitting deviation according to claim 1, wherein the detecting part is a fluorescent indication ring (3), and the fluorescent indication ring (3) shines under the irradiation of a light source.
3. A module for detecting misalignment according to claim 2, wherein the fluorescent indicator ring (3) is coated on the surface of the color film substrate (104).
4. The module for detecting the lamination offset according to claim 2, wherein the color film substrate (104) has a BM ink layer, and the fluorescent indicator ring (3) is coated on the BM ink layer of the color film substrate (104).
5. A module for detecting misalignment according to claim 2, wherein the cover structure (2) comprises a cover body (201), the cover body (201) being arranged on the display main screen structure (1).
6. The module for detecting the fitting deviation according to claim 5, wherein the cover plate main body (201) is provided with cover plate ink (202), and the cover plate ink (202) is arranged on the cover plate main body (201) in a frame shape.
7. The module of claim 6, wherein the area of the cover body (201) covered by the cover ink (202) is a non-visible area, and the area of the cover body (201) not covered by the cover ink (202) is a visible area.
8. The module capable of detecting lamination misalignment according to claim 7, wherein the display main screen structure (1) further comprises an OCA optical adhesive layer (106), the OCA optical adhesive layer (106) is adhered to the cover plate main body (201), and an upper polarizer (105) is connected to one side, far away from the cover plate main body (201), of the OCA optical adhesive layer (106).
9. The module capable of detecting lamination deviation according to claim 8, wherein one side of the upper polarizer (105) away from the OCA optical adhesive layer (106) is connected with the color film substrate (104), and one side of the color film substrate (104) away from the upper polarizer (105) is connected with the array substrate (103).
10. The module capable of detecting lamination deviation according to claim 9, wherein a lower polarizer (102) is connected to one side of the array substrate (103) away from the color film substrate (104), and a backlight (101) is connected to one side of the lower polarizer (102) away from the array substrate (103).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320551568.7U CN219869518U (en) | 2023-03-20 | 2023-03-20 | Module capable of detecting lamination offset |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320551568.7U CN219869518U (en) | 2023-03-20 | 2023-03-20 | Module capable of detecting lamination offset |
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| CN219869518U true CN219869518U (en) | 2023-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117663990A (en) * | 2024-02-01 | 2024-03-08 | 深圳市龙图光罩股份有限公司 | Mask and film laminating degree detection method, device, equipment and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117663990A (en) * | 2024-02-01 | 2024-03-08 | 深圳市龙图光罩股份有限公司 | Mask and film laminating degree detection method, device, equipment and storage medium |
| CN117663990B (en) * | 2024-02-01 | 2024-04-19 | 深圳市龙图光罩股份有限公司 | Mask and film laminating degree detection method, device, equipment and storage medium |
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