CN216361894U - Prevent showing liquid crystal display module assembly that yellows - Google Patents
Prevent showing liquid crystal display module assembly that yellows Download PDFInfo
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- CN216361894U CN216361894U CN202123030701.4U CN202123030701U CN216361894U CN 216361894 U CN216361894 U CN 216361894U CN 202123030701 U CN202123030701 U CN 202123030701U CN 216361894 U CN216361894 U CN 216361894U
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Abstract
The utility model discloses a liquid crystal display module for preventing display yellowing, which comprises a middle frame, a cushion pad, a cover plate and a liquid crystal module, wherein the middle frame comprises a hollow part positioned in a visual area and a blocking wall positioned in a non-visual area, and the outer edge of the blocking wall close to one side of the visual area is provided with a step; the buffer pad is fixed on the step; the cover plate is fixed on the buffer pad; the liquid crystal module is arranged below the cover plate. Because be provided with the step on the fender wall of center, the apron passes through the blotter to be fixed on the step, when the cell-phone dress sits down in the back pocket of trousers, because the blotter can play certain cushioning effect, thereby realized apron and center soft contact, avoided apron and center the condition that hard contact appears, and then avoid the liquid crystal of LCD module to be extruded the regional condition emergence of edge all around, further avoid the problem that the display that the marginal liquid crystal volume increases and cause yellows, do not influence consumer's use experience.
Description
Technical Field
The utility model relates to the technical field of liquid crystal display, in particular to a liquid crystal display module capable of preventing display yellowing.
Background
The Chinese patent discloses a liquid crystal display module, including center, apron and liquid crystal module, the apron directly sets up on the center, can make the apron and the easy condition that appears hard contact of center like this to the abnormity appears. The cell-phone is in daily use, the extruded condition can't avoid appearing, this kind of extrusion condition will make apron and center appear hard contact, for example sit down the cell-phone dress in the back pocket of trousers, make the apron receive the extrusion, although middle regional liquid crystal module and center have certain empty spacing of keeping away, but apron all around can direct hard contact with the center, lead to middle regional pushing down, the liquid crystal of liquid crystal module is extruded all around marginal region, and then make marginal liquid crystal volume increase, relative demonstration yellows, seriously influence consumer's use experience. The quality of the product is reduced, and if the problem is found in the quality inspection process, the reject ratio of the product is increased, so that the production cost of the product is greatly improved, and the product lacks competitiveness.
SUMMERY OF THE UTILITY MODEL
The utility model provides a liquid crystal display module for preventing display yellowing, wherein steps are arranged on the blocking wall of a middle frame, a cover plate is fixed on the steps through a buffer pad, and when a mobile phone is arranged in a back pocket of trousers to sit down, the buffer pad can play a certain buffer role, so that the cover plate is in soft contact with the middle frame, the hard contact between the cover plate and the middle frame is avoided, the liquid crystal of the liquid crystal module is further prevented from being extruded to the peripheral edge area, the yellowing display problem caused by the increase of the amount of the liquid crystal at the edge is further avoided, and the use experience of consumers is not influenced; and because the buffer pad sets up on the step, can not increase the thickness of complete machine. Therefore, the product quality can be greatly improved, the reject ratio of the product is reduced, the production cost of the product is greatly reduced, and the product has competitiveness.
The technical problem to be solved by the utility model is realized by the following technical scheme:
in order to solve the technical problem, the utility model provides a liquid crystal display module for preventing display yellowing, which comprises a middle frame, a cushion pad, a cover plate and a liquid crystal module, wherein the middle frame comprises a hollow part positioned in a visual area and a blocking wall positioned in a non-visual area, and the outer edge of the blocking wall close to one side of the visual area is provided with a step; the buffer pad is fixed on the step; the cover plate is fixed on the buffer pad; the liquid crystal module is arranged below the cover plate.
Further, the buffer pad is foam.
Furthermore, the outer surface of the buffer pad is wrapped with woven cloth.
Furthermore, the woven fabric on the upper surface of the cushion pad is coated with a low-viscosity glue layer, the woven fabric on the lower surface of the cushion pad is coated with a high-viscosity glue layer, the cover plate is attached to the upper surface of the cushion pad, and the upper surface of the step is attached to the lower surface of the cushion pad.
Furthermore, be located the lower surface of blotter be equipped with the PET substrate layer on weaving, the high viscous glue layer is located the lower surface of PET substrate layer.
Further, the color of the PET substrate layer is milky white.
Further, the glue viscosity of the low-viscosity glue layer is the same as that of the high-viscosity glue layer, and the coating shape of the low-viscosity glue layer is in a grid shape.
Further, the ratio of the area with glue to the area without glue in the low-adhesion glue layer is 2:1 to 10: 1.
Further, the glue coated on the weak-adhesion glue layer is weak-adhesion glue, and the glue coated on the strong-adhesion glue layer is strong-adhesion glue.
Further, the initial adhesion ratio of the strong-adhesion glue to the weak-adhesion glue is 2:1 to 50: 1.
The utility model has the following beneficial effects:
the steps are arranged on the blocking wall of the middle frame, the cover plate is fixed on the steps through the buffer pads, when the mobile phone is arranged in the back pocket of the trousers to sit down, the buffer pads can play a certain buffer role, so that the soft contact between the cover plate and the middle frame is realized, the hard contact between the cover plate and the middle frame is avoided, the liquid crystal of the liquid crystal module is further prevented from being extruded to the peripheral edge area, the problem of yellowing display caused by the increase of the amount of the liquid crystal at the edge is further avoided, and the use experience of consumers is not influenced; and because the buffer pad sets up on the step, can not increase the thickness of complete machine. Therefore, the product quality can be greatly improved, the reject ratio of the product is reduced, the production cost of the product is greatly reduced, and the product has competitiveness.
Drawings
Fig. 1 is a schematic structural diagram of a liquid crystal display module for preventing display yellowing according to the present invention.
Fig. 2 is a schematic view of a modified structure of the cushion pad of fig. 1.
Fig. 3 is a schematic diagram of a modified structure of fig. 2.
Detailed Description
The utility model is described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to 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 those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the interconnection of two elements or through the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1, the first liquid crystal display module for preventing display yellowing provided by the utility model comprises a middle frame 1, a cushion pad 2, a cover plate 3 and a liquid crystal module 4, wherein the middle frame 1 comprises a hollow part located in a visual area and a blocking wall 11 located in a non-visual area, the hollow part is completely hollow, a step 12 is arranged at the outer edge of the blocking wall 11 close to one side of the visual area, the step 12 is formed by forming a groove on the upper surface of the blocking wall 11 close to one side of the visual area, and the groove extends to the outer edge of the blocking wall 11; the buffer pad 2 is fixed on the step 12; the cover plate 3 is fixed on the cushion pad 2; the liquid crystal module 4 is disposed below the cover plate 3. Because the step 12 is arranged on the blocking wall 11 of the middle frame 1, the cover plate 3 is fixed on the step 12 through the buffer cushion 2, when the mobile phone is arranged in a back pocket of trousers to sit down, the buffer cushion 2 can play a certain buffer role, so that the soft contact between the cover plate 3 and the middle frame 1 is realized, the hard contact between the cover plate 3 and the middle frame 1 is avoided, the liquid crystal of the liquid crystal module 4 is further prevented from being extruded to the peripheral edge area, the problem of yellowing display caused by the increase of the amount of the liquid crystal at the edge is further avoided, and the use experience of consumers is not influenced; and because the buffer pad 2 is arranged on the step 12, the thickness of the whole machine cannot be increased. Therefore, the product quality can be greatly improved, the reject ratio of the product is reduced, the production cost of the product is greatly reduced, and the product has competitiveness.
Example 2
Referring to fig. 1, the second liquid crystal display module for preventing display yellowing provided by the utility model comprises a middle frame 1, a cushion pad 2, a cover plate 3 and a liquid crystal module 4, wherein the middle frame 1 comprises a hollow part located in a visual area and a blocking wall 11 located in a non-visual area, the hollow part is completely hollow, a step 12 is arranged at the outer edge of the blocking wall 11 close to one side of the visual area, the step 12 is formed by forming a groove on the upper surface of the blocking wall 11 close to one side of the visual area, and the groove extends to the outer edge of the blocking wall 11; the buffer pad 2 is fixed on the step 12; the cover plate 3 is fixed on the cushion pad 2; the liquid crystal module 4 is disposed below the cover plate 3. Because the step 12 is arranged on the blocking wall 11 of the middle frame 1, the cover plate 3 is fixed on the step 12 through the buffer cushion 2, when the mobile phone is arranged in a back pocket of trousers to sit down, the buffer cushion 2 can play a certain buffer role, so that the soft contact between the cover plate 3 and the middle frame 1 is realized, the hard contact between the cover plate 3 and the middle frame 1 is avoided, the liquid crystal of the liquid crystal module 4 is further prevented from being extruded to the peripheral edge area, the problem of yellowing display caused by the increase of the amount of the liquid crystal at the edge is further avoided, and the use experience of consumers is not influenced; and because the buffer pad 2 is arranged on the step 12, the thickness of the whole machine cannot be increased. Therefore, the product quality can be greatly improved, the reject ratio of the product is reduced, the production cost of the product is greatly reduced, and the product has competitiveness. The difference between this embodiment and the above embodiments is that, in this embodiment, the cushion pad 2 is made of foam, and the foam not only can play a role in buffering, but also can play a role in dust prevention, so as to avoid the occurrence of Mura caused by dust entering the viewing area.
Example 3
Referring to fig. 1 and 2, a third anti-yellowing liquid crystal display module according to the present invention comprises a middle frame 1, a cushion pad 2, a cover plate 3, and a liquid crystal module 4, wherein the middle frame 1 includes a hollow portion located in a viewing area and a blocking wall 11 located in a non-viewing area, the hollow portion is completely hollow, a step 12 is disposed on an outer edge of the blocking wall 11 close to the viewing area, the step 12 is formed by forming a groove on an upper surface of the blocking wall 11 close to the viewing area, and the groove extends to an outer edge of the blocking wall 11; the buffer pad 2 is fixed on the step 12; the cover plate 3 is fixed on the cushion pad 2; the liquid crystal module 4 is disposed below the cover plate 3. Because the step 12 is arranged on the blocking wall 11 of the middle frame 1, the cover plate 3 is fixed on the step 12 through the buffer cushion 2, when the mobile phone is arranged in a back pocket of trousers to sit down, the buffer cushion 2 can play a certain buffer role, so that the soft contact between the cover plate 3 and the middle frame 1 is realized, the hard contact between the cover plate 3 and the middle frame 1 is avoided, the liquid crystal of the liquid crystal module 4 is further prevented from being extruded to the peripheral edge area, the problem of yellowing display caused by the increase of the amount of the liquid crystal at the edge is further avoided, and the use experience of consumers is not influenced; and because the buffer pad 2 is arranged on the step 12, the thickness of the whole machine cannot be increased. Therefore, the product quality can be greatly improved, the reject ratio of the product is reduced, the production cost of the product is greatly reduced, and the product has competitiveness. The difference between the present embodiment and the above embodiments is that in the present embodiment, the outer surface of the cushion pad 2 is wrapped with the woven fabric 21, the woven fabric 21 can prevent the generation of the scraps, and even if the scraps are generated, the scraps are also wrapped by the woven fabric 21 and cannot fall out, so that the scraps are prevented from entering the display area during the transportation process or the shock test, and the problem of poor appearance is avoided.
Example 4
Referring to fig. 1 and 2, a fourth anti-yellowing liquid crystal display module according to the present invention comprises a middle frame 1, a cushion pad 2, a cover plate 3, and a liquid crystal module 4, wherein the middle frame 1 includes a hollow portion located in a viewing area and a blocking wall 11 located in a non-viewing area, the hollow portion is completely hollow, a step 12 is disposed on an outer edge of the blocking wall 11 close to the viewing area, the step 12 is formed by forming a groove on an upper surface of the blocking wall 11 close to the viewing area, and the groove extends to an outer edge of the blocking wall 11; the buffer pad 2 is fixed on the step 12; the cover plate 3 is fixed on the cushion pad 2; the liquid crystal module 4 is disposed below the cover plate 3. Because the step 12 is arranged on the blocking wall 11 of the middle frame 1, the cover plate 3 is fixed on the step 12 through the buffer cushion 2, when the mobile phone is arranged in a back pocket of trousers to sit down, the buffer cushion 2 can play a certain buffer role, so that the soft contact between the cover plate 3 and the middle frame 1 is realized, the hard contact between the cover plate 3 and the middle frame 1 is avoided, the liquid crystal of the liquid crystal module 4 is further prevented from being extruded to the peripheral edge area, the problem of yellowing display caused by the increase of the amount of the liquid crystal at the edge is further avoided, and the use experience of consumers is not influenced; and because the buffer pad 2 is arranged on the step 12, the thickness of the whole machine cannot be increased. Therefore, the product quality can be greatly improved, the reject ratio of the product is reduced, the production cost of the product is greatly reduced, and the product has competitiveness. The present embodiment is different from the above embodiments in that in the present embodiment, a weak adhesive glue layer 22 is coated on the woven fabric 21 on the upper surface of the cushion pad 2, a strong adhesive glue layer 23 is coated on the woven fabric 21 on the lower surface of the cushion pad 2, the cover plate 3 is attached to the upper surface of the cushion pad 2, and the upper surface of the step 12 is attached to the lower surface of the cushion pad 2. Buffer pad 2 not only can play buffering and dirt-proof effect, still owing to be located 2 the upper surface of buffer pad weave 21 on the coating have weak viscous glue layer 22, it can prevent to weave 21 the upper surface to cause in the apron 3 to drag to avoid the condition of Mura to take place, 2 numbers of layers of buffer pad are less simultaneously, and it can prevent that buffer pad 2 from droing, and then prevents that apron 3 from droing.
Example 5
Referring to fig. 1 to 3, a fifth liquid crystal display module for preventing display yellowing provided by the present invention includes a middle frame 1, a cushion pad 2, a cover plate 3 and a liquid crystal module 4, wherein the middle frame 1 includes a hollow portion located in a viewing area and a blocking wall 11 located in a non-viewing area, the hollow portion is completely hollow, a step 12 is disposed on an outer edge of the blocking wall 11 close to one side of the viewing area, the step 12 is formed by forming a groove on an upper surface of the blocking wall 11 close to one side of the viewing area, and the groove extends to an outer edge of the blocking wall 11; the buffer pad 2 is fixed on the step 12; the cover plate 3 is fixed on the cushion pad 2; the liquid crystal module 4 is disposed below the cover plate 3. Because the step 12 is arranged on the blocking wall 11 of the middle frame 1, the cover plate 3 is fixed on the step 12 through the buffer cushion 2, when the mobile phone is arranged in a back pocket of trousers to sit down, the buffer cushion 2 can play a certain buffer role, so that the soft contact between the cover plate 3 and the middle frame 1 is realized, the hard contact between the cover plate 3 and the middle frame 1 is avoided, the liquid crystal of the liquid crystal module 4 is further prevented from being extruded to the peripheral edge area, the problem of yellowing display caused by the increase of the amount of the liquid crystal at the edge is further avoided, and the use experience of consumers is not influenced; and because the buffer pad 2 is arranged on the step 12, the thickness of the whole machine cannot be increased. Therefore, the product quality can be greatly improved, the reject ratio of the product is reduced, the production cost of the product is greatly reduced, and the product has competitiveness. The difference between this embodiment and the above-mentioned embodiments is that in this embodiment, the woven fabric 21 on the lower surface of the cushion pad 2 is provided with a PET substrate layer 24, and the high-adhesion glue layer 23 is provided on the lower surface of the PET substrate layer 24, so that the PET substrate layer 24 is provided for identification, which can play a foolproof role.
Further, the color of the PET substrate layer 24 is milky white, the milky white mark is more striking, and the PET substrate layer can further play a role in fool proofing.
Further, the low-adhesion glue layer 22 and the high-adhesion glue layer 23 have the same glue viscosity, and the low-adhesion glue layer 22 is coated in a grid shape. Because the glue viscosity of the weak-adhesion glue layer 22 is the same as that of the strong-adhesion glue layer 23, the purchase quantity is increased, the cost is reduced, and meanwhile, the mixing cannot occur in the gluing process, so that the production efficiency is improved; and the coating shape of the low-viscosity glue layer 22 is latticed, which is equivalent to reducing the glue area of the low-viscosity glue layer 22, so that the viscosity of the low-viscosity glue layer 22 is reduced, and the pulling condition is avoided.
Further, the ratio of the area with glue to the area without glue in the low-viscosity glue layer 22 is 2:1 to 10: 1. Which prevents the pulling condition by controlling the glue area.
Further, the glue coated on the weak-adhesion glue layer 22 is weak-adhesion glue, and the glue coated in the strong-adhesion glue layer 23 is strong-adhesion glue. The viscosity difference is realized through the glue with different viscosities, and the pulling condition is further avoided.
Further, the initial adhesion ratio of the strong-adhesion glue to the weak-adhesion glue is 2:1 to 50: 1. The viscosity difference is realized through the glue with different viscosities, and the pulling condition is further avoided.
The above examples only show the embodiments of the present invention, and the description is specific and detailed, but not understood as the limitation of the scope of the utility model, but all the technical solutions obtained by using the equivalent substitution or the equivalent transformation should fall within the scope of the utility model.
Claims (10)
1. The utility model provides a prevent showing liquid crystal display module assembly that yellows which characterized in that, it includes:
the middle frame comprises a hollow part positioned in the visual area and a blocking wall positioned in the non-visual area, and a step is arranged on the outer edge of the blocking wall close to one side of the visual area;
a cushion pad fixed on the step;
a cover plate fixed on the buffer pad;
and the liquid crystal module is arranged below the cover plate.
2. The liquid crystal display module for preventing display yellowing according to claim 1, wherein the buffer pad is foam.
3. The liquid crystal display module of claim 1, wherein the outer surface of the buffer pad is wrapped with a fabric.
4. The liquid crystal display module of claim 3, wherein the fabric on the upper surface of the buffer pad is coated with a low-viscosity glue layer, the fabric on the lower surface of the buffer pad is coated with a high-viscosity glue layer, the cover plate is attached to the upper surface of the buffer pad, and the upper surface of the step is attached to the lower surface of the buffer pad.
5. The liquid crystal display module according to claim 4, wherein a PET substrate layer is provided on the fabric on the lower surface of the cushion pad, and the high-adhesion glue layer is provided on the lower surface of the PET substrate layer.
6. The liquid crystal display module of claim 5, wherein the PET substrate layer is milky white in color.
7. The liquid crystal display module according to claim 4, wherein the low-adhesion glue layer and the high-adhesion glue layer have the same glue viscosity, and the low-adhesion glue layer is coated in a grid shape.
8. The liquid crystal display module of claim 7, wherein the ratio of the area with glue to the area without glue in the low-adhesion glue layer is 2:1 to 10: 1.
9. The liquid crystal display module according to claim 4, wherein the glue applied to the low-adhesion glue layer is a low-adhesion glue, and the glue applied to the high-adhesion glue layer is a high-adhesion glue.
10. The liquid crystal display module of claim 9, wherein the initial adhesion ratio of the strong adhesive glue to the weak adhesive glue is 2:1 to 50: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123030701.4U CN216361894U (en) | 2021-12-03 | 2021-12-03 | Prevent showing liquid crystal display module assembly that yellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123030701.4U CN216361894U (en) | 2021-12-03 | 2021-12-03 | Prevent showing liquid crystal display module assembly that yellows |
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| Publication Number | Publication Date |
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| CN216361894U true CN216361894U (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123030701.4U Active CN216361894U (en) | 2021-12-03 | 2021-12-03 | Prevent showing liquid crystal display module assembly that yellows |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115331584A (en) * | 2022-08-31 | 2022-11-11 | 京东方科技集团股份有限公司 | Display module, assembly method of display module and display device |
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2021
- 2021-12-03 CN CN202123030701.4U patent/CN216361894U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115331584A (en) * | 2022-08-31 | 2022-11-11 | 京东方科技集团股份有限公司 | Display module, assembly method of display module and display device |
| CN115331584B (en) * | 2022-08-31 | 2023-11-24 | 京东方科技集团股份有限公司 | Display module, assembly method of display module and display device |
| WO2024045986A1 (en) * | 2022-08-31 | 2024-03-07 | 京东方科技集团股份有限公司 | Display module, assembly method for display module, and display device |
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