Curved display screen

Abstract

The utility model relates to a curved surface display screen which comprises a curved surface cover plate and a display module, and a glue filling area is formed between the curved surface cover plate and the display module. A glue guide structure is arranged on the edge of the glue filling area in a surrounding mode, and the two opposite sides of the glue guide structure are attached to the curved surface cover plate and the display module respectively; the glue guide structure is provided with a glue inlet and an exhaust port which are communicated with the glue filling area, the glue inlet is used for injecting an adhesive into the glue filling area, and the exhaust port is used for exhausting air in the glue filling area. According to the curved-surface display screen, the problems of glue overflowing, glue shortage and the like caused by the fact that the flat panel display module and the curved-surface cover plate are attached through the glue pouring technology are solved, and the attaching yield is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen full lamination technical field especially relates to a curved display screen. BACKGROUND

[0002] The curved display screen is more and more widely used in various fields, such as the vehicle-mounted curved screen used in the intelligent cockpit of automobile, which brings good practical experience to passengers. The lamination of the plane display module and the curved cover plate is a kind of implementation method of the curved display screen, however, due to the cooperation of the plane and the curve of the plane display module and the curved cover plate, they cannot be closely laminated, and the glue flow is not easy to control when using the glue pouring process to adhere, resulting in problems such as glue overflow and glue shortage, which reduces the lamination yield of the plane display module and the curved cover plate. UTILITY MODEL CONTENT

[0003] In view of the above problems, the purpose of the utility model is to design a curved display screen, which solves the problems of glue overflow and glue shortage in the lamination of the plane display module and the curved cover plate by using the glue pouring process, and improves the yield of lamination.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] A curved display screen is designed, which comprises a curved cover plate, a display module and a glue guide structure. The glue guide structure is clamped between the curved cover plate and the display module, and the two sides of the glue guide structure in the height direction are laminated to the curved cover plate and the display module respectively. A glue filling area is formed in the glue guide structure, and the periphery of the glue guide structure is provided with a glue inlet and an exhaust port communicating with the glue filling area. The glue inlet is used for injecting adhesive into the glue filling area, and the exhaust port is used for exhausting air in the glue filling area.

[0006] The curved display screen designed in the scheme can well limit the space of adhesive flow by reasonably designing the glue guide structure laminated with the curved cover plate and the display module. By injecting adhesive into the glue filling area through the glue inlet, the problem of glue overflow can be avoided. At the same time, the exhaust port is designed, and the air in the glue filling area is extruded and discharged when the adhesive flows, avoiding air residues, which leads to incomplete filling of the adhesive in the glue filling area and causes the problem of glue shortage. Through the design, the full lamination method of the plane display module and the curved cover plate by using the glue pouring process is realized, the problems of glue overflow and glue shortage in the lamination of the plane display module and the curved cover plate are solved, and the yield of lamination is improved.

[0007] Further, the glue guide structure comprises a first enclosure surrounding the periphery of the glue inlet, and the first enclosure is located on the side of the glue inlet away from the glue filling area.

[0008] In the injection adhesive process, the injection needle cannot seal the glue inlet, so the adhesive may overflow out of the glue guide structure through the glue inlet, and therefore a first enclosure is arranged outside the glue inlet to prevent the adhesive from overflowing and flowing away.

[0009] Further, the first enclosure forms a first overflow groove, and the first overflow groove communicates with the glue filling area through the glue inlet.

[0010] In order to better avoid the problem that the adhesive overflows out of the glue guide structure through the glue inlet and flows away, the first enclosure can be designed as a connected enclosure structure, that is, a first overflow groove is formed in the first enclosure, and the adhesive overflowing out of the glue inlet is collected in the first overflow groove, thereby avoiding the problem of adhesive flow.

[0011] Further, the top surface of the first overflow groove away from the top surface of the curved cover plate is not lower than the fitting surface of the display module and the glue guide structure.

[0012] In the case of precise injection glue amount control, the top surface of the first overflow groove can be designed to be flush with the fitting surface of the display module and the glue guide structure to meet the injection overflow requirement. Of course, the top surface of the first overflow groove can be designed to be higher than the fitting surface of the display module and the glue guide structure to accommodate excess glue amount and absorb injection deviation, thereby improving yield.

[0013] Further, the glue guide structure comprises a second enclosure arranged around the exhaust port, and the second enclosure is located on the side of the exhaust port away from the glue filling area.

[0014] By injecting adhesive through the glue inlet, the adhesive gradually fills the glue filling area and flows to the exhaust port, and therefore a second enclosure is arranged outside the exhaust port to prevent the adhesive from overflowing and flowing away.

[0015] Further, the second enclosure forms a second overflow groove, and the second overflow groove communicates with the glue filling area through the exhaust port.

[0016] In order to better avoid the problem that the adhesive overflows out of the glue guide structure through the exhaust port and flows away, the second enclosure can be designed as a connected enclosure structure, that is, a second overflow groove is formed in the second enclosure, and the adhesive overflowing out of the exhaust port is collected in the second overflow groove, thereby avoiding the problem of adhesive flow. At the same time, the amount of adhesive overflowing in the second overflow groove can monitor the injection state of the glue filling area and determine whether the interior is short of glue.

[0017] Further, the top surface of the second overflow groove away from the top surface of the curved cover plate is not lower than the fitting surface of the display module and the glue guide structure.

[0018] In the case of precise injection glue amount control, the top surface of the second overflow groove can be designed to be flush with the fitting surface of the display module and the glue guide structure to meet the injection glue overflow requirement. Of course, the top surface of the second overflow groove can be designed to be higher than the fitting surface of the display module and the glue guide structure to accommodate excess glue amount, absorb injection glue deviation, and thus improve yield.

[0019] Further, when the curved cover plate is a convex curved cover plate, the side of the glue guide structure close to the glue filling area is higher than the side away from the glue filling area; when the curved cover plate is a concave curved cover plate, the side of the glue guide structure close to the glue filling area is lower than the side away from the glue filling area.

[0020] The glue guide structure solves the problem that the flat display module and the curved cover plate cannot be closely fitted, and therefore the surface of the glue guide structure fitted with the curved cover plate needs to be closely fitted with the curved cover plate to ensure that the adhesive does not overflow. The design of the surface of the glue guide structure fitted with the curved cover plate is related to the bending direction and curvature of the curved cover plate. When the curved cover plate is a convex curved cover plate, the side of the glue guide structure close to the glue filling area is higher than the side away from the glue filling area; when the curved cover plate is a concave curved cover plate, the side of the glue guide structure close to the glue filling area is lower than the side away from the glue filling area.

[0021] Further, the glue guide structure includes a first side surface, and one of the glue inlet and the air outlet is provided.

[0022] In the present design, the display module is rectangular, the four edges of the display module are flush with the glue guide structure, one of the glue inlet and the air outlet can be provided, and the glue inlet and the air outlet are provided on the same side surface of the glue guide structure. When injecting adhesive from the glue inlet, the display screen can be placed obliquely with the glue inlet and the air outlet facing upward. The adhesive flows downward due to gravity and gradually fills the glue filling area. Air is squeezed from the bottom to the top and discharged from the air outlet during the adhesive filling process.

[0023] Further, the glue guide structure includes opposite first and second side surfaces, one of the glue inlet and the air outlet is provided, and a plurality of air outlets are provided, wherein one of the glue inlet and the air outlet is provided on the first side surface, and at least one of the remaining air outlets is provided on the second side surface.

[0024] In the present design, the display module is rectangular, the four edges of the display module are flush with the glue guide structure, one of the glue inlet and the air outlet can be provided, and the glue inlet and the air outlet are provided on the same side surface of the glue guide structure. When injecting adhesive from the glue inlet, the display screen can be placed obliquely with the glue inlet and the air outlet facing upward. The adhesive flows downward due to gravity and gradually fills the glue filling area. Air is squeezed from the bottom to the top and discharged from the air outlet during the adhesive filling process.

[0025] Compared with the prior art, the curved surface display screen has the beneficial effects that

[0026] The curved surface display screen has the beneficial effects that BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is an exploded view of the curved surface display screen of the embodiment of the present application.

[0028] Figure 2 It is a structure view of the bottom perspective of the curved surface display screen of the embodiment of the present application.

[0029] Figure 3 It is a sectional view of the curved surface display screen of the embodiment of the present application.

[0030] Figure 4 It is a structure view of the cooperation of the curved surface cover plate and the glue guide structure of the embodiment of the present application.

[0031] Figure 5 It is a top view of the curved surface display screen. Figure 4

[0032] Figure 6 It is a structure view of the bottom perspective of another structure of the curved surface display screen of the embodiment of the present application.

[0033] Brief Description of Drawings: 1, curved surface cover plate; 2, glue guide structure; 21, glue inlet; 22, exhaust port; 23, first enclosure; 231, first overflow tank; 24, second enclosure; 241, second overflow tank; 25, first side; 26, second side; 3, display module; 4, glue filling area. DETAILED DESCRIPTION

[0034] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein.

[0035] Embodiment one:

[0036] As Figures 1 to 5 ​As shown, the embodiment provides a curved display screen, which comprises a curved cover plate 1 and a display module 3. The display module 3 is in a planar structure and is rectangular. Of course, in other possible embodiments, the display module 3 can be in other shapes. A glue guide structure 2 is arranged between the curved cover plate 1 and the display module 3. The glue guide structure 2 is attached to the curved cover plate 1 and the display module 3 at two sides in the height direction of the glue guide structure 2. A glue filling area 4 is formed in the glue guide structure 2. The glue guide structure 2 is provided with a glue inlet 21 and three glue outlets 22, which are connected to the glue filling area 4. The glue inlet 21 is used for injecting adhesive into the glue filling area 4, and the adhesive can be OCR glue (Optical Clear Resin). The glue outlets 22 are used for discharging air in the glue filling area 4. In the embodiment, the four edges of the display module 3 are flush with the glue guide structure 2. The glue guide structure 2 comprises opposite first and second side surfaces 25 and 26. One glue inlet 21 and three glue outlets 22 are arranged on the first and second side surfaces 25 and 26. The glue inlet 21 and one glue outlet 22 are arranged on the first side surface 25, and the other two glue outlets 22 are arranged on the second side surface 26. When the adhesive is injected through the glue inlet 21, the display screen can be placed horizontally, and the curved cover plate 1 faces downward. The adhesive gradually fills the glue filling area 4. During the filling process of the adhesive, air is discharged from the glue outlets 22, thereby improving the glue injection efficiency.

[0037] The curved display screen of the embodiment can well limit the space for the flow of the adhesive by reasonably designing the glue guide structure 2 attached to the curved cover plate 1 and the display module 3. The adhesive can be injected into the glue filling area 4 through the glue inlet 21, so that the overflow problem can be avoided. Meanwhile, the glue outlets 22 are designed. When the adhesive flows, the air in the glue filling area 4 is extruded and discharged, so that the air is not left, the adhesive cannot completely fill the glue filling area 4, and the lack of glue problem occurs. Through the design, the planar display module 3 and the curved cover plate 1 are fully attached by the glue injection process, and the overflow and lack of glue problems in the attachment of the planar display module 3 and the curved cover plate 1 are solved, thereby improving the attachment yield.

[0038] As shown in FIG. 1, the curved display screen comprises a curved cover plate 1 and a display module 3. The display module 3 is in a planar structure and is rectangular. Of course, in other possible embodiments, the display module 3 can be in other shapes. A glue guide structure 2 is arranged between the curved cover plate 1 and the display module 3. The glue guide structure 2 is attached to the curved cover plate 1 and the display module 3 at two sides in the height direction of the glue guide structure 2. A glue filling area 4 is formed in the glue guide structure 2. The glue guide structure 2 is provided with a glue inlet 21 and three glue outlets 22, which are connected to the glue filling area 4. The glue inlet 21 is used for injecting adhesive into the glue filling area 4, and the adhesive can be OCR glue (Optical Clear Resin). The glue outlets 22 are used for discharging air in the glue filling area 4. In the embodiment, the four edges of the display module 3 are flush with the glue guide structure 2. The glue guide structure 2 comprises opposite first and second side surfaces 25 and 26. One glue inlet 21 and three glue outlets 22 are arranged on the first and second side surfaces 25 and 26. The glue inlet 21 and one glue outlet 22 are arranged on the first side surface 25, and the other two glue outlets 22 are arranged on the second side surface 26. When the adhesive is injected through the glue inlet 21, the display screen can be placed horizontally, and the curved cover plate 1 faces downward. The adhesive gradually fills the glue filling area 4. During the filling process of the adhesive, air is discharged from the glue outlets 22, thereby improving the glue injection efficiency. Figure 4 and Figure 5As shown, a first enclosing barrier 23 can be arranged around the periphery of the glue inlet 21, the first enclosing barrier 23 being located on the side of the glue inlet 21 away from the glue filling area 4, and the first enclosing barrier 23 enclosing a first overflow groove 231, the first overflow groove 231 being in communication with the glue filling area 4 through the glue inlet 21. A second enclosing barrier 24 can be arranged around the periphery of the air outlet 22, the second enclosing barrier 24 being located on the side of the air outlet 22 away from the glue filling area 4, and the second enclosing barrier 24 enclosing a second overflow groove 241, the second overflow groove 241 being in communication with the glue filling area 4 through the air outlet 22. During the injection of the adhesive, the injection needle cannot completely seal the glue inlet 21, so the adhesive can overflow out of the glue guide structure 2 through the glue inlet 21. At the same time, the adhesive is injected through the glue inlet 21, gradually fills the glue filling area 4, and flows to the air outlet 22, and the adhesive can also overflow out of the glue guide structure 2 through the air outlet 22. Therefore, the first enclosing barrier 23 and the second enclosing barrier 24 are arranged outside the glue inlet 21 and the air outlet 22 respectively, and the first enclosing barrier 23 encloses the first overflow groove 231, and the second enclosing barrier 24 encloses the second overflow groove 241. The adhesive overflowing out of the glue inlet 21 is collected in the first overflow groove 231, and the adhesive overflowing out of the air outlet 22 is collected in the second overflow groove 241, thereby avoiding the problem of the adhesive flowing away after overflowing out of the glue inlet 21 and the air outlet 22. At the same time, the amount of adhesive overflowing in the second overflow groove 241 can be used to monitor the glue injection state of the glue filling area 4, and to determine whether the glue filling area 4 is short of glue.

[0039] In addition, the top surface of the first overflow groove 231 away from the curved cover plate 1 is not lower than the bonding surface of the display module 3 and the glue guide structure 2, and the top surface of the second overflow groove 241 away from the curved cover plate 1 is not lower than the bonding surface of the display module 3 and the glue guide structure 2. In the case of precise control of the amount of injected glue, the top surfaces of the first overflow groove 231 and the second overflow groove 241 can be designed to be flush with the bonding surface of the display module 3 and the glue guide structure 2, which can meet the requirement of glue overflow; of course, the top surfaces of the first overflow groove 231 and the second overflow groove 241 can be designed to be higher than the bonding surface of the display module and the glue guide structure, so as to accommodate excess amount of injected glue, absorb glue injection deviation, and thereby improve yield.

[0040] As shown in FIG. 1, the glue guide structure 2 is arranged on the curved cover plate 1, and the display module 3 is arranged on the glue guide structure 2. The glue guide structure 2 includes a glue guide plate 2a and a glue guide frame 2b. The glue guide plate 2a is arranged on the curved cover plate 1, and the glue guide frame 2b is arranged on the glue guide plate 2a. The glue guide plate 2a is provided with a glue filling area 4, a glue inlet 21, and an air outlet 22. The glue filling area 4 is arranged on the glue guide plate 2a, and the glue inlet 21 and the air outlet 22 are arranged on the glue filling area 4. The glue inlet 21 is arranged on one side of the glue filling area 4, and the air outlet 22 is arranged on the other side of the glue filling area 4. The display module 3 is arranged on the glue guide frame 2b. Figure 3As shown, when the curved cover plate 1 is a convex curved cover plate, the side of the adhesive guiding structure 2 near the adhesive filling area 4 is higher than the side away from the adhesive filling area 4; when the curved cover plate 1 is a concave curved cover plate, the side of the adhesive guiding structure 2 near the adhesive filling area 4 is lower than the side away from the adhesive filling area 4. The adhesive guiding structure 2 solves the problem that the flat display module 3 and the curved cover plate 1 cannot be tightly fitted. Therefore, the surface of the adhesive guiding structure 2 that is in contact with the curved cover plate 1 needs to be tightly fitted to the curved cover plate 1 to ensure that the adhesive does not overflow. The design of the surface of the adhesive guiding structure 2 that is in contact with the curved cover plate 1 is related to the bending direction and curvature of the curved cover plate 1. When the curved cover plate 1 is a convex curved cover plate, the side of the adhesive guiding structure 2 near the adhesive filling area 4 is higher than the side away from the adhesive filling area 4; when the curved cover plate 1 is a concave curved cover plate, the side of the adhesive guiding structure 2 near the adhesive filling area 4 is lower than the side away from the adhesive filling area 4. In addition, the adhesive guiding structure 2 uses foam adhesive, which has good deformation ability and can be precisely fitted to the curved cover plate 1. When the curvature of the curved cover plate 1 is large and the foam adhesive cannot fit the curved cover plate 1 well, RTV adhesive (Room Temperature Vulcanized Silicone Rubber) can be applied at the corresponding position. Because RTV adhesive has good fluidity, it can fill the gap between the foam adhesive and the curved cover plate 1, effectively adapting to and filling larger curved surfaces.

[0041] Example 2:

[0042] like Figure 6 As shown, this embodiment provides a curved display screen, including a curved cover plate 1 and a display module 3. The display module 3 has a planar structure and is rectangular. Of course, in other possible embodiments, the display module may have other shapes. The four sides of the display module 3 are flush with the adhesive guiding structure 2. The adhesive guiding structure 2 includes a first side 25, and each of the following can be provided: an adhesive inlet 21 and an exhaust outlet 22. The adhesive inlet 21 and the exhaust outlet 22 are located on the first side 25 of the adhesive guiding structure 2. When injecting adhesive through the adhesive inlet 21, the display screen can be tilted with the adhesive inlet 21 and the exhaust outlet 22 facing upwards. The adhesive enters the filling area 4 and flows downwards due to gravity, gradually filling the filling area 4. During the adhesive filling process, air is squeezed upwards and discharged from the exhaust outlet. Other designs of the adhesive guiding structure 2 in this embodiment are the same as those in Embodiment 1, and will not be described in detail here.

[0043] In the description of the utility model, it is understood that the terms such as '' upper '', '' lower '', '' front '', '' rear '', '' left '', '' right '', '' vertical '', '' horizontal '', '' top '', '' bottom '', '' inner '', '' outer '' and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0044] In addition, the terms '' first '' and '' second '' and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A curved display screen, characterized by The curved cover plate, the display module, and the glue guiding structure are included, the glue guiding structure is clamped between the curved cover plate and the display module, and two sides of the glue guiding structure in the height direction are respectively attached to the curved cover plate and the display module; a glue filling area is formed in the glue guiding structure, a glue inlet and an exhaust port communicating with the glue filling area are arranged on the periphery of the glue guiding structure, the glue inlet is used for injecting adhesive into the glue filling area, and the exhaust port is used for exhausting air in the glue filling area.

2. The curved display screen of claim 1, wherein, The glue guiding structure includes a first enclosure surrounding the periphery of the glue inlet, and the first enclosure is located on the side of the glue inlet away from the glue filling area.

3. The curved display screen of claim 2, wherein, The first enclosure forms a first overflow groove, and the first overflow groove communicates with the glue filling area through the glue inlet.

4. The curved display screen of claim 3, wherein, The top surface of the first overflow groove away from the curved cover plate is not lower than the attached surface of the display module and the glue guiding structure.

5. The curved display screen of claim 1, wherein, The glue guiding structure includes a second enclosure surrounding the periphery of the exhaust port, and the second enclosure is located on the side of the exhaust port away from the glue filling area.

6. The curved display screen of claim 5, wherein, The second enclosure forms a second overflow groove, and the second overflow groove communicates with the glue filling area through the exhaust port.

7. The curved display screen of claim 6, wherein, The top surface of the second overflow groove away from the curved cover plate is not lower than the attached surface of the display module and the glue guiding structure.

8. The curved display screen of claim 1, wherein, When the curved cover plate is a convex curved cover plate, the side of the glue guiding structure close to the glue filling area is higher than the side away from the glue filling area; when the curved cover plate is a concave curved cover plate, the side of the glue guiding structure close to the glue filling area is lower than the side away from the glue filling area.

9. The curved display screen of claim 1, wherein, The glue guiding structure includes a first side, and the glue inlet and the exhaust port are each provided one, and the glue inlet and the exhaust port are provided on the first side.

10. The curved display screen of claim 1, wherein, The glue guiding structure includes opposite first and second sides, the glue inlet is provided one, and the exhaust port is provided multiple, wherein one of the glue inlet and the exhaust port is provided on the first side, and at least one of the remaining exhaust ports is provided on the second side.

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