Display modules, display devices

Abstract

This application provides a display module and a display device to solve the problem of splicing gaps in display devices. A display module includes multiple display panels, each display panel including a display portion and a non-display portion. The non-display portion is disposed at the edge of the display portion and includes at least one overlapping non-display sub-part. The plane of the display portion and the plane of the overlapping non-display sub-part are perpendicular. The multiple display panels include at least one first display panel and one second display panel. The first display panel includes a first display portion and at least one first overlapping non-display sub-part. The second display panel includes a second display portion and at least one second overlapping non-display sub-part. The plane of the first display portion is parallel to and not coplanar with the plane of the second display portion. The plane of the first overlapping non-display sub-part is parallel to and overlaps with the plane of the second overlapping non-display sub-part. The width of the splicing area is less than or equal to the thickness of the display panel.

Description

Technical Field

[0001] This application relates to the field of display technology, and in particular to a display module and a display device. Background Technology

[0002] Ultrawide displays for vehicles are gradually becoming mainstream due to their wide-screen visual advantages, and the seamless splicing technology for display modules adapted to them is also attracting increasing attention from the industry, placing higher demands on the seamless splicing technology of display modules. However, existing technologies cannot fundamentally eliminate splicing marks, and the problem of splicing gaps still exists in display devices. Summary of the Invention

[0003] In view of this, this application proposes a display module and a display device to solve the problem of splicing gaps in display devices.

[0004] To solve the above-mentioned technical problems, the following technical solutions are adopted in the embodiments of this application:

[0005] In a first aspect, this application provides a display module, including a plurality of display panels, each display panel including a display portion and a non-display portion, the non-display portion being disposed at the edge of the display portion, the non-display portion including at least one overlapping non-display sub-part, the plane of the display portion and the plane of the overlapping non-display sub-part being perpendicular; wherein, the plurality of display panels include at least one first display panel and one second display panel, the first display panel including a first display portion and at least one first overlapping non-display sub-part, the second display panel including a second display portion and at least one second overlapping non-display sub-part, the plane of the first display portion and the plane of the second display portion being parallel and not coplanar, the plane of the first overlapping non-display sub-part being parallel to the plane of the second overlapping non-display sub-part being and the first overlapping non-display sub-part and the second overlapping non-display sub-part overlapping to form a splicing area, the width of the splicing area being less than or equal to the thickness of at least one display panel.

[0006] According to one embodiment of this application, the bending direction of the first inflection point of the first display portion and the first overlapping non-display sub-portion is opposite to the bending direction of the second inflection point of the second display portion and the second overlapping non-display sub-portion; the bending radius of the first inflection point is equal to the bending radius of the second inflection point; the bending radius of the first inflection point is in the range of 0.1 mm to 0.3 mm.

[0007] According to one embodiment of this application, it further includes a fixed bracket, which includes a first support portion and a second support portion, with a gap between the first support portion and the second support portion. The first support portion supports the first display panel, and the second support portion supports the second display panel. The height of the gap ranges from 0.01 mm to 0.15 mm.

[0008] According to one embodiment of this application, the fixed bracket includes at least one opening located between a first support portion and a second support portion. The bending direction of the first inflection point of the first display portion and the first overlapping non-display sub-portion points points away from the fixed bracket, and the bending direction of the second inflection point of the second display portion and the second overlapping non-display sub-portion points points towards the fixed bracket. At least one second overlapping non-display sub-portion extends into the opening. The width of the opening is equal to the thickness of the display panel. The fixed bracket also includes at least one cavity disposed inside the fixed bracket. The opening communicates with the cavity, and the second overlapping non-display sub-portion extends into the opening and the cavity.

[0009] According to one embodiment of this application, it further includes a planarization layer and a dielectric layer. The planarization layer is disposed on the side of the display unit away from the fixed bracket. The planarization layer includes a first planarization layer and a second planarization layer. The first planarization layer is disposed on the side of the first display unit away from the first support portion, and the second planarization layer is disposed on the side of the second display unit away from the second support portion. The dielectric layer connects the planarization layer and the first overlapping non-display sub-part. The dielectric layer includes a first dielectric layer and a second dielectric layer. The thickness of the planarization layer is in the range of 0.1 mm to 1.0 mm. There is a first gap between the first planarization layer and the first overlapping non-display sub-part, and a second gap between the second planarization layer and the first overlapping non-display sub-part. The width of the first gap is equal to the width of the second gap. The first dielectric layer fills the first gap, and the second dielectric layer fills the second gap. The gap width between adjacent first dielectric layers and second dielectric layers is equal to the thickness of the display panel.

[0010] According to one embodiment of this application, the first leveling layer includes a first layer and a second layer, with the first layer disposed on the side of the second layer away from the first support portion. The second leveling layer includes a third layer and a fourth layer, with the third layer disposed on the side of the fourth layer away from the second support portion. The material of the first layer is the same as that of the third layer. The material of the first layer includes polyester materials. The polyester materials include polyethylene terephthalate. The material of the second layer is the same as that of the fourth layer.

[0011] According to one embodiment of this application, the thickness of the first layer is less than the thickness of the third layer, and the thickness of the first dielectric layer is less than the thickness of the second dielectric layer; the thickness of the first dielectric layer is equal to the thickness of the first layer, and / or the thickness of the second dielectric layer is equal to the thickness of the third layer.

[0012] According to one embodiment of this application, the surface of the flattening layer facing away from the fixed bracket is flush with the surface of the first overlapping non-display sub-part facing away from the fixed bracket; the surface of the flattening layer facing away from the fixed bracket is flush with the surface of the dielectric layer facing away from the fixed bracket.

[0013] According to one embodiment of this application, it further includes an adhesive layer and a cover plate, the cover plate being disposed on the side of the adhesive layer facing away from the display panel; the adhesive layer is made of optically transparent adhesive; the orthographic projection of the adhesive layer on the display panel coincides with the orthographic projection of the cover plate on the display panel; a cover plate covers at least one first display panel and one second display panel.

[0014] Secondly, this application provides a display device, including any one of the display modules of claims 1 to 9.

[0015] The beneficial effects of this application are as follows: This application provides a display module, including multiple display panels, each display panel including a display part and a non-display part, the non-display part being disposed at the edge of the display part, the non-display part including at least one overlapping non-display sub-part, the plane where the display part is located and the plane where the overlapping non-display sub-part is located being perpendicular; wherein, the multiple display panels include at least one first display panel and one second display panel, the first display panel including a first display part and at least one first overlapping non-display sub-part, the second display panel including a second display part and at least one second overlapping non-display sub-part, the plane where the first display part is located is parallel to and not coplanar with the plane where the second display part is located, the plane where the first overlapping non-display sub-part is located is parallel to the plane where the second overlapping non-display sub-part is located and the first overlapping non-display sub-part and the second overlapping non-display sub-part overlap to form a splicing area, the width of the splicing area being less than or equal to the thickness of at least one display panel, that is, the splicing gap of the display device is less than or equal to the thickness of the display panel, and the splicing gap of the display device is eliminated by the design of the stacked structure. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 This is a structural schematic diagram of a cross-section of a display module provided in an embodiment of this application; Figure 2 A partial cross-sectional structural diagram of a display module provided in an embodiment of this application; Figure 3 A partial cross-sectional structural diagram of a display module provided in an embodiment of this application; Figure 4 This is a structural schematic diagram of a cross-section of a fixed bracket provided in an embodiment of this application; Figure 5 A cross-sectional structural diagram of another type of fixing bracket provided in an embodiment of this application; Figure 6A cross-sectional structural diagram of another type of fixing bracket provided in an embodiment of this application; Figure 7 This is a partial top view of a display module provided in an embodiment of this application; Figure 8 This is a schematic diagram of the structure of a display device provided in an embodiment of this application.

[0017] Explanation of reference numerals in the attached figures 1-Display device; 2-Display module; 21-Display panel; 22-Fixing bracket; 23-Smoothing layer; 24-Dielectric layer; 25-Adhesive layer; 26-Cover plate; 201 - Display section; 202 - Non-display section; 202c - Overlapping non-display sub-parts; 211 - First display panel; 212 - Second display panel; 2011 - First display unit; 2021c - First overlapping non-display sub-unit; 2012 - Second display unit; 2022c - Second overlapping non-display sub-unit; d1 - Width of the splicing area; h1 - Thickness of the display panel; 102b - Inflection Point; 1021b - First inflection point; 1022b - Second inflection point; 221-First support part; 222-Second support part; 223-Opening; 224-Cavity; h2 - Discontinuity; d2 - Opening width; 231 - First leveling layer; 232 - Second leveling layer; 233 - First interval; 234 - Second interval; d3 - Width of the first interval; d4 - Width of the second interval; 241 - First dielectric layer; 242 - Second dielectric layer; d5 - Gap width; 2311 - First floor; 2312 - Second floor; 2323 - Third floor; 2324 - Fourth floor; h3 - thickness of the first layer; h4 - thickness of the third layer; h5 - thickness of the first dielectric layer; h6 - thickness of the second dielectric layer. Detailed Implementation

[0018] In order to make the above-mentioned objectives, technical solutions, key features and innovative advantages of this application clearer, more complete and easier for those skilled in the art to understand accurately, the following will, in conjunction with the corresponding drawings, provide a more detailed and meticulous explanation and description of all specific embodiments of this application.

[0019] It is understood that the specific embodiments described in detail herein are only used to disclose, explain, and exemplify the overall technical concept of this application, and are not intended to uniquely limit or restrict the scope of protection of this application. Furthermore, it should be further noted that, for the purpose of clearly illustrating and describing the contents of the accompanying drawings, only the main structures and components directly related to the core technical solution of this application are shown in the drawings. Conventional structures, common supporting components, and all existing known structures are not fully shown. Therefore, the content shown in the drawings is schematic and not a complete representation of the entire structure, and should not be interpreted as a restrictive interpretation of the actual implementation of this application.

[0020] Based on the complete embodiments, technical principles, structural combinations, and core innovations disclosed in this application, all other equivalent, modified, and extended embodiments that can be easily conceived, deduced, and implemented by those skilled in the art without any creative effort, but only through conventional technical deduction, equivalent substitution, conventional structural modification, and adaptation to known technologies, should rightfully fall within the overall protection scope of this application.

[0021] When the term "embodiment" is used in the full description of this application, it means that the specific features, structures, technical details or corresponding characteristics described in connection with the particular embodiment are not limited to the single embodiment itself, but can be incorporated into any one or more embodiments disclosed in this application, either alone or in any combination.

[0022] Meanwhile, the repeated use of this phrase in different places throughout the specification does not necessarily refer to the exact same embodiment, nor does it imply that the embodiments are mutually exclusive, independent, or incombinable alternatives or mutually exclusive solutions. Those skilled in the art will explicitly and implicitly understand that all the embodiments described herein, without creating structural contradictions or logical conflicts, can be freely combined, flexibly matched, and adaptively adjusted according to actual product needs, application scenarios, and performance requirements, thereby forming many more novel combined embodiments not listed hereafter.

[0023] Currently, in the field of display technology, display devices 1, limited by their own structure and manufacturing processes, have not yet truly achieved seamless splicing between display panels 21 in a physically meaningful sense. Traditional technical solutions are mainly based on optical path principles, using optical design to weaken the visual visibility of splicing gaps, but cannot fundamentally eliminate them. With the increasing visual demands of integrated large-screen displays in vehicles, there is an urgent need for technical solutions to eliminate splicing gaps. Addressing the shortcomings of existing technologies, this application proposes a seamless splicing technical solution for display devices 1. Through the design of the fixing bracket 22, the splicing gaps between display panels 21 can be eliminated, truly achieving seamless splicing of display devices 1.

[0024] Firstly, according to one embodiment of this application, please refer to... Figure 1 This application provides a display module 2, which includes multiple display panels 21, and the display panels 21 are spliced ​​together, which can be applied to vehicle display scenarios.

[0025] According to one embodiment of this application, please refer to Figure 1 , Figure 3 and Figure 7 Each display panel 21 includes a display portion 201 and a non-display portion 202. The non-display portion 202 is disposed at the edge of the display portion 201. The non-display portion 202 includes at least one overlapping non-display sub-part 202c. The plane where the display portion 201 is located and the plane where the overlapping non-display sub-part 202c is located are perpendicular. The display portion 201 undertakes the image display function of the display panel 21, and the non-display portion 202 is the border of the display panel 21. The near right-angle bend between the display portion 201 and the overlapping non-display sub-part 202c provides a basis for seamless splicing between the display panels 21.

[0026] According to one embodiment of this application, please refer to Figure 3The plurality of display panels 21 include at least one first display panel 211 and one second display panel 212. The first display panel 211 includes a first display portion 2011 and at least one first overlapping non-display sub-portion 202c. The second display panel 212 includes a second display portion 2012 and at least one second overlapping non-display sub-portion 202c. The plane containing the first display portion 2011 is parallel to and non-coplanar with the plane containing the second display portion 2012. The plane containing the first overlapping non-display sub-portion 202c is parallel to and overlaps with the plane containing the second overlapping non-display sub-portion 202c to form a splicing area. The width d1 of the splicing area is less than or equal to the thickness of at least one display panel 21. It should be noted that when the width d1 of the splicing area is equal to the thickness of the display panel 21, the thickness of the non-display portion 202 of the same display panel 21 is equal to the thickness of the display portion 201. The thickness of the first display panel 211 and the second display panel 212 is equal. The seam gap between the display panels 212 is the width d1 of the splicing area. The thicknesses of the first display panel 211 and the second display panel 212 are not equal. The seam gap between the first display panel 211 and the second display panel 212 is the thickness of the larger display panel 21. When the width d1 of the splicing area is less than the thickness of the display panel 21, the thickness of at least one overlapping non-display sub-part 202c of the same display panel 21 is less than the thickness of the display part 201. The first display part 2011 and the second display... The thickness of the first overlapping non-display sub-part 2021c is equal to the thickness of the second overlapping non-display sub-part 2022c. The splicing gap between the first display panel 211 and the second display panel 212 is the width d1 of the splicing area. The thickness of the first overlapping non-display sub-part 2021c is not equal to the thickness of the second overlapping non-display sub-part 2022c. The splicing gap between the first display panel 211 and the second display panel 212 is the thickness of the larger overlapping non-display sub-part 2021c.

[0027] According to one embodiment of this application, please refer to Figure 3 and Figure 7The bending direction of the first inflection point 1021b of the first display section 2011 and the first overlapping non-display sub-section 202c is opposite to the bending direction of the second inflection point 1022b of the second display section 2012 and the second overlapping non-display sub-section 202c. The different extension directions of the first overlapping non-display sub-section 202c and the second overlapping non-display sub-section 202c help to reduce or even eliminate the splicing gap of the display device 1 and improve the customer experience. The inflection point 102b includes the first inflection point 1021b and the second inflection point 1022b. The first inflection point 1021b refers to the bending position at the junction of the first display section 2011 and the first overlapping non-display sub-section 202c, and the second inflection point 1022b refers to the bending position at the junction of the second display section 2012 and the second overlapping non-display sub-section 202c.

[0028] According to one embodiment of this application, the bending radius of the first inflection point 1021b is equal to the bending radius of the second inflection point 1022b, that is, the bending parameter settings of the first display panel 211 and the second display panel 212 are the same, which is beneficial to achieve uniform display of the display device 1.

[0029] According to one embodiment of this application, the bending radius of the first inflection point 1021b is in the range of 0.1 mm to 0.3 mm. The bending radius of the first inflection point 1021b includes, but is not limited to, 0.1 mm, 0.15 mm, 0.2 mm, 0.23 mm, and 0.3 mm, as long as it meets the bending requirements and does not affect the normal display of the display device 1.

[0030] According to one embodiment of this application, please refer to Figure 1 The display module 2 also includes a fixing bracket 22, which can support the display panel 21.

[0031] According to one embodiment of this application, please refer to Figure 1 and Figure 4 The fixed bracket 22 includes a first support part 221 and a second support part 222. There is a gap h2 between the first support part 221 and the second support part 222. The first support part 221 supports the first display panel 211, and the second support part 222 supports the second display panel 212, ensuring the positional accuracy of the display panel 21. It should be noted that the number and surface morphology of the first support part 221 and the second support part 222 are not limited. A buffer layer can be provided between the first support part 221 and the first display panel 211, and / or between the second support part 222 and the second display panel 212. The buffer layer has at least one of the functions of leveling, buffering, and bonding, and the buffer layer does not affect the display effect. The number of layers, the thickness, and the contact area between the same buffer layer and the display panel 21 are not limited.

[0032] According to one embodiment of this application, the fixed bracket 22 can be made of plastic. Plastic parts are parts, components, or products made of plastic or plastic through processes such as injection molding, extrusion, and blow molding. The materials are readily available and easy to mold, which can reduce costs.

[0033] According to one embodiment of this application, please refer to Figure 4 The height of the discontinuity h2 ranges from 0.01 mm to 0.15 mm. The height of the discontinuity h2 includes, but is not limited to, 0.01 mm, 0.04 mm, 0.07 mm, 0.11 mm, and 0.15 mm. The discontinuity h2 is set so that the first display part 2011 and the second display part 2012 are parallel and not coplanar, providing space for the overlapping arrangement of the first overlapping non-display part 202 and the second overlapping non-display part 202.

[0034] According to one embodiment of this application, please refer to Figure 4 , Figure 5 and Figure 6 The fixed bracket 22 includes at least one opening 223, which is located between the first support portion 221 and the second support portion 222. The first opening 223 is configured to provide longitudinal accommodating space for the non-display portion 202 and will not occupy the interlayer planar space of the display module 2.

[0035] According to one embodiment of this application, please refer to Figure 1 and Figure 3 The bending direction of the first inflection point 1021b of the first display section 2011 and the first overlapping non-display sub-section 2021c points away from the fixed bracket 22, and the bending direction of the second inflection point 1022b of the second display section 2012 and the second overlapping non-display sub-section 202c points towards the fixed bracket 22. At least one second overlapping non-display sub-section 202c extends into the opening 223. It should be noted that the bending direction of the first inflection point 1021b can also be towards the fixed bracket 22, and the bending direction of the second inflection point 1022b can be away from the fixed bracket 22. The bending direction of the first display panel 211 and the second display panel 212 is not limited, as long as it meets the requirement of eliminating the seam in the actual display device 1.

[0036] According to one embodiment of this application, please refer to Figure 1 and Figure 4 The opening width d2 is equal to the thickness of the display panel 21, that is, the opening 223 fits into the extended second overlapping non-display sub-part 202c, and the setting of the opening 223 will not affect the display effect of the display device 1.

[0037] According to one embodiment of this application, the same opening 223 can accommodate one or more second overlapping non-display sub-parts 202c, which can be flexibly adjusted according to the splicing requirements of the actual display device 1.

[0038] According to one embodiment of this application, the depth of the opening 223 (not shown in the figure) ranges from 1.0 mm to 2.0 mm, and the depth of the opening 223 includes, but is not limited to, 1.0 mm, 1.1 mm, 1.5 mm, 1.9 mm, and 2.0 mm. The opening width d2 ranges from 0.01 mm to 0.07 mm, and the opening width d2 includes, but is not limited to, 0.01 mm, 0.013 mm, 0.015 mm, 0.35 mm, and 0.07 mm. This can meet the accommodation requirements of the second overlapping non-display sub-part 202c. It should be noted that the above is an implementable process parameter setting. In actual practice, the shape, size, and number of openings 223 can be flexibly adjusted according to process requirements, as long as the seamless splicing requirements of the display device 1 are met and the display effect is guaranteed.

[0039] According to one embodiment of this application, please refer to Figure 4 and Figure 6 The fixed bracket 22 also includes at least one cavity 224, which is disposed inside the fixed bracket. The arrangement of the cavity 224 can flexibly adjust the support capacity and weight of the fixed bracket 22, which is beneficial to improving the reliability of the display device 1, meeting the lightweight requirements of the display device 1, and enhancing market competitiveness. It should be noted that the shape and size of the cavity 224 are not limited, and the arrangement and number of multiple cavities 224 are not limited, and can be flexibly adjusted according to actual process requirements.

[0040] According to one embodiment of this application, please refer to Figure 4 The opening 223 is connected to the cavity 224. The second overlapping non-display sub-part 202c extends into the opening 223 and the cavity 224. The cavity 224 expands the longitudinal accommodating space of the opening 223, which can flexibly adapt to the splicing requirements of various display devices 1.

[0041] According to one embodiment of this application, please refer to Figure 6 The opening 223 and the cavity 224 may not be connected. The opening 223 can serve to accommodate the second overlapping non-display sub-part 202c. The cavity 224 can be flexibly configured to adjust the support capacity and mass design of the fixed bracket 22.

[0042] According to one embodiment of this application, please refer to Figure 1 and Figure 2The display module 2 also includes a flattening layer 23. The flattening layer 23 is disposed on the side of the display part 201 away from the fixed bracket 22. The flattening layer 23 includes a first flattening layer 231 and a second flattening layer 232. The first flattening layer 231 is disposed on the side of the first display part 2011 away from the first support part 221, and the second flattening layer 232 is disposed on the side of the second display part 2012 away from the second support part 222. The design of the flattening layer 23 can achieve a flat film surface, which is beneficial to subsequent process flows.

[0043] According to one embodiment of this application, the thickness of the smoothing layer 23 ranges from 0.1 mm to 1.0 mm. The thickness of the smoothing layer 23 includes, but is not limited to, 0.1 mm, 0.25 mm, 0.5 mm, 0.98 mm, and 1.0 mm, which can satisfy the requirement of a smooth film surface.

[0044] According to one embodiment of this application, please refer to Figure 2 There is a first gap 233 between the first flattening layer 231 and the first overlapping non-display sub-part 2021c, and a second gap 234 between the second flattening layer 232 and the first overlapping non-display sub-part 2021c. This provides space for the subsequent bonding of the cross-section of the first overlapping non-display sub-part 2021c and the cross-section of the flattening layer 23 through the dielectric layer 24. This helps to control the bonding strength, balance the adhesive requirements of different cross-sections, and ensure the reliability of the display device 1. It should be noted that the cross-section of the flattening layer 23 and the cross-section of the first overlapping non-display sub-part 2021c can also be in direct contact. By selecting the material at the contact position, the process flow can be simplified.

[0045] According to one embodiment of this application, please refer to Figure 1 The first leveling layer 231 includes a first layer 2311 and a second layer 2312. The first layer 2311 is located on the side of the second layer 2312 away from the first support part 221. The second leveling layer 232 includes a third layer 2323 and a fourth layer 2324. The third layer 2323 is located on the side of the fourth layer 2324 away from the second support part 222. Each layer can be flexibly adjusted according to actual process requirements, which is conducive to improving product yield.

[0046] According to one embodiment of this application, the material of the first layer 2311 and the material of the third layer 2323 can be the same to ensure the display effect of the display device 1.

[0047] According to one embodiment of this application, the material of the first layer 2311 includes polyester material, which is readily available.

[0048] According to one embodiment of this application, the polyester material includes polyethylene terephthalate, which has high light transmittance and can meet display requirements.

[0049] According to one embodiment of this application, the material of the second layer 2312 and the material of the fourth layer 2324 can be the same, simplifying the process complexity.

[0050] According to one embodiment of this application, please refer to Figure 2 The thickness of the first layer h3 is less than the thickness of the third layer h4, and the thickness of the first dielectric layer h5 is less than the thickness of the second dielectric layer h6. This can compensate for the discontinuity h2. Furthermore, the process of compensating for the discontinuity h2 by adjusting the thicknesses of the first layer h3 and the third layer h4 is simpler and more mature, which is conducive to improving product yield.

[0051] According to one embodiment of this application, the thickness h5 of the first dielectric layer is equal to the thickness h3 of the first layer, and / or the thickness h6 of the second dielectric layer is equal to the thickness h3 of the third layer. h4 Equally, the first dielectric layer 241 contacts the second layer 2312, and the second dielectric layer 242 contacts the fourth layer 2324, further enhancing the adhesion. It should be noted that the materials of the second layer 2312, the fourth layer 2324, and the dielectric layer 24 can all be the same, resulting in optimal adhesion and fixing ability. Alternatively, the materials of the second layer 2312, the fourth layer 2324, and the dielectric layer 24 can be adjusted according to actual process requirements. The morphology of the contact surfaces of the dielectric layer 24, the second layer 2312, and the fourth layer 2324 can be flush or have interlocking peaks and valleys to ensure adhesion strength.

[0052] According to one embodiment of this application, please refer to Figure 2 The first interval width d3 and the second interval width d4 are equal to ensure that the longitudinal bonding strength of the cross section of the first overlapping non-display sub-part 2021c and the cross section of the flat layer 23 is the same, thereby avoiding local stress concentration and ensuring the reliability of the display device 1.

[0053] According to one embodiment of this application, please refer to Figure 1 The display panel 21 also includes a dielectric layer 24, which connects the flattening layer 23 and the first overlapping non-display sub-part 2021c. The dielectric layer 24 includes a first dielectric layer 241 and a second dielectric layer 242, which can ensure that the bending of the display panel 21 reaches the expected position. The first dielectric layer 241 and the second dielectric layer 242 can be adjusted separately to meet the different bonding requirements of the first overlapping non-display sub-part 2021c with the first flattening layer 231 or the second flattening layer 232. It should be noted that the material of the first dielectric layer 241 and the material of the second dielectric layer 242 are not limited. The material of the dielectric layer 24 can be, but is not limited to, at least one of UV adhesive, thermosetting adhesive, and pressure-sensitive adhesive, as long as it can meet the bonding requirements.

[0054] According to one embodiment of this application, please refer to Figure 1 and Figure 2The first dielectric layer 241 fills the first gap 233, and the second dielectric layer 242 fills the second gap 234, ensuring that the bending of the first display panel 211 and the second display panel 212 both reach the expected position.

[0055] According to one embodiment of this application, please refer to Figure 2 The gap width d5 ​​between adjacent first dielectric layer 241 and second dielectric layer 242 is equal to the thickness of display panel 21. The dielectric layer 24 is tightly attached to the second non-display sub-part. The dielectric layer 24 does not affect the splicing gap size of display device 1.

[0056] According to one embodiment of this application, please refer to Figure 1 The surface of the flat layer 23 facing away from the fixed bracket 22 is flush with the surface of the first overlapping non-display sub-part 2021c facing away from the fixed bracket 22, which is beneficial to the subsequent adhesion of the film layer.

[0057] According to one embodiment of this application, the surface of the flat layer 23 facing away from the fixed bracket 22 is flush with the surface of the medium layer 24 facing away from the fixed bracket 22, which is beneficial to subsequent process flow.

[0058] According to one embodiment of this application, please refer to Figure 1 The display module 2 also includes an adhesive layer 25 and a cover plate 26. The cover plate 26 is disposed on the side of the adhesive layer 25 away from the display panel 21, thereby improving the impact resistance of the display module 2.

[0059] According to one embodiment of this application, the adhesive layer 25 is made of optically transparent adhesive, which has high light transmittance and ensures display effect.

[0060] According to one embodiment of this application, the orthographic projection of the adhesive layer 25 on the display panel 21 coincides with the orthographic projection of the cover plate 26 on the display panel 21, thereby avoiding local stress concentration.

[0061] According to one embodiment of this application, the thickness of the adhesive layer 25 is in the range of 0.05 mm to 0.25 mm. The thickness of the adhesive layer 25 includes, but is not limited to, 0.05 mm, 0.06 mm, 0.15 mm, 0.21 mm, and 0.25 mm, which meets the bonding requirements of the cover plate 26 and does not affect the display effect.

[0062] According to one embodiment of this application, a cover plate 26 covers at least one first display panel 211 and one second display panel 212, thereby improving customer experience and enhancing market competitiveness.

[0063] According to one embodiment of this application, the thickness of the cover plate 26 ranges from 0.5 mm to 1.0 mm, and the thickness of the cover plate 26 includes, but is not limited to, 0.5 mm, 0.55 mm, 0.75 mm, 0.9 mm, and 1.0 mm, to ensure the display effect.

[0064] Secondly, according to one embodiment of this application, please refer to... Figure 8 This application provides a display device 1, which includes a display module 2 as described above.

[0065] According to one embodiment of this application, the display device 1 can be widely adapted to various terminal application scenarios, including but not limited to mobile terminals such as smartphones, in-vehicle display devices such as in-vehicle central control and in-vehicle instruments, portable computers, tablet computers, industrial portable display terminals, desktop smart displays and other electronic devices.

[0066] Based on all the technical content and specific embodiments disclosed in this application, all other equivalent implementation schemes, derivative structures and adaptation adjustments that can be derived, transformed and equivalently substituted by those skilled in the art without any creative effort and solely relying on conventional technical knowledge and common general knowledge in the art should fall within the protection scope defined by the claims of this application as a whole.

[0067] Although this document describes the invention in detail and with reference to specific exemplary embodiments in order to clearly illustrate the complete technical concept of the invention, those skilled in the art should fully understand that the specific embodiments described above are only illustrative and exemplary descriptions of the core technical principles and practical application scenarios of the invention, and are not absolute limitations on the implementable boundaries of the invention.

[0068] Based on this, it should be further understood that, without departing from the overall technical spirit and design logic of the present invention, and without exceeding the overall protection scope clearly defined by the appended claims, those skilled in the art can make various modifications, parameter adjustments, structural optimizations and detail changes to the above exemplary embodiments; at the same time, based on the disclosure of this application, they can also redesign and expand more alternative arrangement schemes and extended implementation structures not listed one by one in this document.

[0069] It should also be clarified that the scope of technical protection of this application is not limited to the specific combination form recorded in the original claims. Those skilled in the art may also use different combination logic than that recorded in the original claims to arbitrarily and reasonably recombine, match and adapt the limiting features of different dependent claims and the individual technical features disclosed in the entire specification.

[0070] In addition, it should be further understood that the exclusive features, local structures and detailed technical details disclosed and defined for a particular embodiment are not limited to use in that single embodiment. Provided there is no structural conflict or contradiction in principle, they can be introduced and flexibly adapted to any other embodiment disclosed in this application, and cooperate with the existing features of other embodiments to form a completely new combination implementation method. Such variations also fall within the scope of patent protection of this application.

Claims

1. A display module, characterized in that, include, Multiple display panels, each of the display panels including a display portion and a non-display portion, the non-display portion being disposed at the edge of the display portion, the non-display portion including at least one overlapping non-display sub-portion, the plane of the display portion and the plane of the overlapping non-display sub-portion being perpendicular; The plurality of display panels include at least one first display panel and one second display panel. The first display panel includes a first display portion and at least one first overlapping non-display sub-portion. The second display panel includes a second display portion and at least one second overlapping non-display sub-portion. The plane where the first display portion is located is parallel to and not coplanar with the plane where the second display portion is located. The plane where the first overlapping non-display sub-portion is located is parallel to the plane where the second overlapping non-display sub-portion is located, and from a top view, the first overlapping non-display sub-portion and the second overlapping non-display sub-portion overlap to form a splicing area. The width of the splicing area is less than or equal to the thickness of at least one of the display panels.

2. The display module according to claim 1, characterized in that, The bending direction of the first inflection point of the first display portion and the first overlapping non-display sub-portion is opposite to the bending direction of the second inflection point of the second display portion and the second overlapping non-display sub-portion; Preferably, the bending radius of the first inflection point is equal to the bending radius of the second inflection point; Preferably, the bending radius of the first inflection point is in the range of 0.1 mm to 0.3 mm.

3. The display module according to claim 2, characterized in that, It also includes a fixing bracket, which includes a first support part and a second support part, with a gap between the first support part and the second support part. The first support part supports the first display panel, and the second support part supports the second display panel. Preferably, the height of the discontinuity ranges from 0.01 mm to 0.15 mm.

4. The display module according to claim 3, characterized in that, The fixed bracket includes at least one opening, which is located between the first support portion and the second support portion. The bending direction of the inflection point of the first display portion and the first overlapping non-display sub-part points away from the fixed bracket, and the bending direction of the inflection point of the second display portion and the second overlapping non-display sub-part points towards the fixed bracket. At least one of the second overlapping non-display sub-parts extends into the opening. Preferably, the width of the opening is equal to the thickness of the display panel; Preferably, the fixing bracket further includes at least one cavity disposed inside the fixing space; Preferably, the opening is connected to the cavity, and the second overlapping non-display sub-part extends into the opening and the cavity.

5. The display module according to claim 1, characterized in that, It also includes a flattening layer and a dielectric layer. The flattening layer is disposed on the side of the display unit away from the fixed bracket. The flattening layer includes a first flattening layer and a second flattening layer. The first flattening layer is disposed on the side of the first display unit away from the first support unit, and the second flattening layer is disposed on the side of the second display unit away from the second support unit. The dielectric layer connects the flattening layer and the first overlapping non-display sub-part. The dielectric layer includes a first dielectric layer and a second dielectric layer. Preferably, the thickness of the leveling layer is in the range of 0.1 mm to 1.0 mm; Preferably, there is a first gap between the first flattening layer and the first overlapping non-display sub-part, and a second gap between the second flattening layer and the first overlapping non-display sub-part; Preferably, the width of the first interval is equal to the width of the second interval; Preferably, the first dielectric layer fills the first gap, and the second dielectric layer fills the second gap; Preferably, the gap width between adjacent first and second dielectric layers is equal to the thickness of the display panel.

6. The display module according to claim 5, characterized in that, The first leveling layer includes a first layer and a second layer, the first layer being disposed on the side of the second layer away from the first support portion; the second leveling layer includes a third layer and a fourth layer, the third layer being disposed on the side of the fourth layer away from the second support portion. Preferably, the material of the first layer and the material of the third layer are the same; Preferably, the material of the first layer includes polyester materials; Preferably, the polyester material includes polyethylene terephthalate; Preferably, the material of the second layer is the same as that of the fourth layer.

7. The display module according to claim 6, characterized in that, The thickness of the first layer is less than the thickness of the third layer, and the thickness of the first dielectric layer is less than the thickness of the second dielectric layer; Preferably, the thickness of the first dielectric layer is equal to the thickness of the first layer, and / or the thickness of the second dielectric layer is equal to the thickness of the third layer.

8. The display module according to claim 5, characterized in that, The surface of the flattening layer facing away from the fixed bracket is flush with the surface of the first overlapping non-display sub-part facing away from the fixed bracket. Preferably, the surface of the leveling layer facing away from the fixed support is flush with the surface of the medium layer facing away from the fixed support.

9. The display module according to claim 1, characterized in that, It also includes an adhesive layer and a cover plate, the cover plate being disposed on the side of the adhesive layer opposite to the display panel; Preferably, the adhesive layer is made of an optically transparent adhesive; Preferably, the orthographic projection of the adhesive layer on the display panel coincides with the orthographic projection of the cover plate on the display panel; Preferably, one of the cover plates covers at least one of the first display panels and one of the second display panels.

10. A display device comprising any one of the display modules according to claims 1 to 9.

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