Backboard structure and backboard module

Abstract

The utility model discloses a backplane structure and a backplane module, and relates to the technical field of display devices.The backplane structure comprises a substrate, the substrate comprises a plurality of matching units which are arranged in a spliced mode, and the matching units are arranged at intervals in the length direction and / or the width direction of the substrate; each matching unit is connected with at least two adjacent matching units, and the base plate is used for bearing optical materials arranged in the thickness direction of the base plate. Through the arrangement, the number of the matching units can be determined according to the size of the required base plate in the length direction and the size of the required base plate in the width direction, and then the multiple matching units are spliced to form the base plate, so that the long period for waiting for hand plate development is saved, the development time is effectively shortened, and the development efficiency is improved. And moreover, the cost loss caused by mold modification after mold opening can be avoided, and the development cost of hand plates with different sizes is effectively saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display device technical field, especially a backboard structure and backboard module. BACKGROUND

[0002] At present, in the display industry, in addition to relying on optical simulation in the initial structure, photoelectric module design, it is usually necessary to use actual single material assembly sample to verify, so as to timely adjust and optimize the design and avoid design risks. Especially, for display products such as color TV and display, it is usually necessary to wait for the structure to open the mold to make the hand plate structural part, and the optical design can be carried out on the existing structure platform for subsequent module segment assembly and verification of photoelectric scheme.

[0003] However, each new display product needs to wait for the preliminary drawing to be completed and develop the structure hand plate. This process has many shortcomings: first, the development cycle of the hand plate sample is long, which wastes time and manpower and affects the priority market launch time of new product development; second, the structure hand plate is expensive, usually tens of thousands of yuan per piece, and a hand plate is needed for each new product development, which will waste a lot of money. Third, the photoelectric scheme cannot be verified in time, and the problems of avoiding and structure matching interference cannot be solved in advance, which will cause the design risk of structure opening mold and increase the cost of mold modification. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a backboard structure and backboard module, which aims to improve the problems of long development cycle and high development cost of existing hand plate samples.

[0005] To achieve the above purpose, the backboard structure provided by the utility model comprises a substrate, the substrate comprises a plurality of matching units arranged in a splicing mode, the plurality of matching units are arranged at intervals along the length direction and / or the width direction of the substrate, each matching unit is connected with at least two adjacent matching units, and the substrate is used for carrying optical materials arranged in the thickness direction of the substrate.

[0006] In an embodiment, the backboard structure further comprises a plurality of fixing structures, the plurality of fixing structures are located on one side of the thickness direction of the substrate, are arranged on the plurality of matching units at the periphery of the substrate respectively, each fixing structure comprises at least two supporting columns, the two supporting columns are arranged at intervals in the length direction and / or the width direction of the substrate, and are arranged in extension along the thickness direction of the substrate, and each supporting column is used for abutting against one end of the optical material in the length direction or the width direction of the substrate.

[0007] In an embodiment, the plurality of matching units comprise:

[0008] a plurality of first matching units located at the middle part of the substrate, the plurality of first matching units being arranged at intervals along the length direction and / or the width direction of the substrate;

[0009] a plurality of second matching units located at the periphery of the plurality of first matching units and respectively corresponding to the corners of the substrate; and

[0010] a plurality of third matching units located at the periphery of the plurality of first matching units and respectively located between two second matching units arranged correspondingly along the length direction or the width direction of the substrate;

[0011] wherein the plurality of fixing structures are respectively arranged at the plurality of second matching units and the plurality of third matching units, and each second matching unit is provided with at least two support columns, and each third matching unit is provided with two support columns.

[0012] In an embodiment, the plurality of second matching units comprises two support matching units, each support matching unit is provided with a support seat at one end in the thickness direction of the substrate, the support seat is arranged extending along the width direction of the substrate and at least partially protrudes from the support matching unit in the width direction of the substrate, and the support seat is used for supporting the substrate.

[0013] In an embodiment, each fixing structure is provided with a baffle between two support columns arranged correspondingly along the length direction or the width direction of the substrate, the baffle is located at the part of the support column close to the corresponding matching unit and abuts against the matching unit.

[0014] In an embodiment, each support column is provided with a groove at one end surface facing another support column, and the groove is arranged penetrating at least one end in the thickness direction of the substrate.

[0015] The baffle is inserted into the groove from the penetrating end of the groove.

[0016] In an embodiment, the surface of each support column is provided with a plurality of scale grooves.

[0017] In an embodiment, each fixing structure further comprises at least two limiting parts, two limiting parts are respectively arranged movably on two support columns along the thickness direction of the substrate and can rotate along the axis extending in the thickness direction of the substrate, and each limiting part is used for abutting tightly one end of the optical material in the thickness direction of the substrate.

[0018] In an embodiment, each limiting part comprises:

[0019] a mounting ring rotatably sleeved on the corresponding support column and movable along the thickness direction of the substrate.

[0020] A limiting member is provided with two opposite ends, one of which is connected to the mounting ring to rotate synchronously with the mounting ring, and is used to abut against one end of the optical material in the thickness direction of the substrate.

[0021] In an embodiment, the plurality of the matching units comprises:

[0022] A first matching unit is located in the middle of the substrate, and a plurality of the first matching units are arranged at intervals in the length direction and / or the width direction of the substrate.

[0023] A plurality of the third matching units are located at the periphery of the plurality of the first matching units and avoid a plurality of corners of the substrate.

[0024] The number of the matching units in the length direction of the substrate is A, and the number of the matching units in the width direction of the substrate is B.

[0025] The number of the first matching units is (A-2)*(B-2).

[0026] The number of the third matching units is 2(A+B)-8.

[0027] In an embodiment, a first connecting part and a matching part are arranged at intervals on at least one side of the matching unit in the circumferential direction, and the first connecting part of one of the two adjacent matching units is connected to the matching part of the other matching unit.

[0028] The utility model also proposes a backboard module, comprising:

[0029] A backboard structure, such as the backboard structure described above;

[0030] A diffusion plate is arranged on one side of the backboard structure in the thickness direction of the substrate; and

[0031] An optical film is arranged on the side of the diffusion plate away from the backboard structure.

[0032] In an embodiment, the backboard structure further comprises a plurality of fixing structures, and the plurality of fixing structures are located on one side of the substrate in the thickness direction.

[0033] The diffusion plate is provided with a plurality of avoiding parts at the end in the length direction and the width direction of the substrate, each avoiding part is arranged corresponding to one fixing structure, and / or the optical film is provided with a plurality of second connecting parts at the end in the length direction and the width direction of the substrate, each second connecting part is arranged corresponding to one fixing structure, and each second connecting part is connected to the corresponding fixing structure.

[0034] The technical scheme of the utility model discloses, multiple cooperation units can splice according to the size of the base plate, namely according to the size of the base plate in its length direction and the size of the base plate in its width direction to determine the number of cooperation units, and then multiple cooperation units splice each other to form the base plate. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to the structure shown in these drawings without creative labor.

[0036] Figure 1 The structural schematic diagram of an embodiment of the back plate structure provided by the utility model is shown in the figure.

[0037] Figure 2 The structural schematic diagram of the first cooperation unit in the utility model is shown in the figure. Figure 1

[0038] Figure 3 The structural schematic diagram of the second cooperation unit in the utility model is shown in the figure. Figure 1

[0039] Figure 4 The structural schematic diagram of the second cooperation unit in the utility model is shown in the figure. Figure 1

[0040] Figure 5 The structural schematic diagram of the third cooperation unit in the utility model is shown in the figure. Figure 1

[0041] Figure 6 The structural schematic diagram of the support column in the utility model is shown in the figure. Figure 1

[0042] Figure 7 The structural schematic diagram of the baffle in the utility model is shown in the figure. Figure 1

[0043] Figure 8 The structural schematic diagram of the diffusion plate provided by the utility model is shown in the figure.

[0044] Figure 9 The structural schematic diagram of the optical film provided by the utility model is shown in the figure.

[0045] Explanation of reference numerals: ​​​​​​

[0046] 100, back plate structure; 1, base plate; 11, matching unit; 111, first matching unit; 112, second matching unit; 113, third matching unit; 12, first connecting part; 13, matching part; 2, fixing structure; 21, support column; 22, baffle; 23, groove; 24, limiting part; 241, mounting ring; 242, limiting piece; 3, support seat; 200, diffusion plate; 210, avoiding part; 300, optical film; 310, second connecting part.

[0047] The realization, functional features and advantages of the utility model will be further described in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0049] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0050] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one feature. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0051] The utility model provides a kind of back plate structure. It aims at improving the problems of long development cycle of existing hand plate sample and high development cost.

[0052] Please refer to Figure 1In an embodiment of the present application, the backboard structure 100 comprises a substrate 1, the substrate 1 comprises a plurality of matching units 11 arranged in splicing, the plurality of matching units 11 are arranged in intervals along the length direction and / or the width direction of the substrate 1, and each matching unit 11 is connected with at least two adjacent matching units 11, and the substrate 1 is used for carrying optical materials arranged in the thickness direction thereof.

[0053] In the technical scheme of the present application, the plurality of matching units 11 can be spliced according to the size of the substrate 1, that is, the number of the matching units 11 is determined according to the size of the substrate 1 in the length direction and the size of the substrate 1 in the width direction, and then the plurality of matching units 11 are spliced with each other to form the substrate 1. In this way, the long development cycle of the hand plate can be saved, the development time is effectively shortened, the cost loss caused by the mold modification after the mold opening can be avoided, and the development cost of the hand plate of different sizes is effectively saved.

[0054] It can be understood that the present application does not limit the specific number of the matching units 11, and the number of the matching units 11 should change with the change of the required size of the substrate 1.

[0055] Similarly, the present application also does not limit the specific size of each matching unit 11, and in a specific embodiment of the present application, each matching unit 11 can be arranged as 10cm*10cm in the length direction and the width direction of the substrate 1. Of course, in other embodiments of the present application, each matching unit 11 can also be arranged as 5cm*5cm or 5cm*10cm in size in the length direction and the width direction of the substrate 1. Specifically, in actual arrangement, it can be selected according to requirements.

[0056] In a further embodiment of the present application, please refer to Figures 2-5 The first connecting part 12 and the matching part 13 are arranged in intervals in the circumferential direction of the matching unit 11, the first connecting part 12 of one of the two adjacent matching units 11 is connected with the matching part 13 of the other matching unit 11. In this way, the first connecting part 12 of any matching unit 11 is connected with the matching part 13 of the adjacent matching unit 11, and the matching part 13 of any matching unit 11 is connected with the matching part 13 of the adjacent matching unit 11, thereby completing the connection of the two adjacent matching units 11, and realizing the splicing of the substrate 1.

[0057] It needs to be explained that the utility model is not limited to the connection form between two adjacent cooperation units 11, for example, in an embodiment of the utility model, the first connecting part 12 includes a connecting block arranged protruding from the cooperation unit 11, and the cooperation part 13 includes a cooperation groove recessed on the circumferential surface of the cooperation unit 11, so that when two cooperation units 11 need to be connected, the connecting block of the two cooperation units 11 can be inserted into the cooperation groove of the other cooperation unit 11 respectively to complete the splicing of the two cooperation units 11.

[0058] In another embodiment of the utility model, the first connecting part 12 further includes a magnetic attraction piece, and the cooperation part 13 includes a magnetic attraction cooperation piece, so that when two adjacent cooperation units 11 are connected, the magnetic attraction piece of the two cooperation units 11 can attract the magnetic attraction cooperation piece of the other cooperation unit 11 to complete the splicing of the two cooperation units 11 through magnetic attraction.

[0059] In still another embodiment of the utility model, the first connecting part 12 further includes a sliding block, and the cooperation part 13 further includes a sliding rail, which is arranged extending along the circumference of the cooperation unit 11, so that when two adjacent cooperation units 11 are connected, the sliding block of the two cooperation units 11 can be connected to the sliding rail of the other cooperation unit 11 through sliding along the circumference of the cooperation unit 11 to complete the splicing of the two cooperation units 11. It needs to be explained that in this embodiment, after the sliding block is connected to the corresponding sliding rail, the sliding block and the sliding rail are arranged limiting each other in the direction away from each other to avoid the contact connection of the two cooperation units 11.

[0060] In addition, referring to Figures 3-5 Since the substrate 1 is used for carrying the optical material arranged in the thickness direction, in order to ensure the installation stability of the optical material, in the utility model, the back plate structure 100 further includes a plurality of fixing structures 2, the plurality of fixing structures 2 are located on one side of the thickness direction of the substrate 1 and are arranged on the plurality of cooperation units 11 at the circumference of the substrate 1 respectively, and the arrangement of the plurality of fixing structures 2 can avoid the installation of the optical material while abutting against the end of the optical material in the length direction and the width direction of the substrate 1 to ensure the fixation and limitation of the optical material.

[0061] It should be noted that the utility model is not limited to the specific form of the fixing structure 2, in an embodiment of the utility model, each fixing structure 2 includes at least two support columns 21, two support columns 21 are arranged at intervals in the length direction and the width direction of the base plate 1, and are arranged along the thickness direction of the base plate 1, and each support column 21 is used to abut against one end of the optical material in the length direction and the width direction of the base plate 1. In this embodiment, the arrangement of a plurality of support columns 21 on each cooperation unit 11 can ensure the bearing capacity of the optical material, and since a plurality of support columns 21 are arranged along the thickness direction of the base plate 1, a plurality of support columns 21 can adapt to optical materials of different thicknesses, thereby further improving the application range of the back plate structure 100.

[0062] In another embodiment of the utility model, the end of the plurality of cooperation units 11 away from the center of the base plate 1 is arranged in a bending manner towards the thickness direction of the base plate 1 to form a plurality of bending sections, and each fixing structure 2 includes a bending section, so that the bearing capacity of the optical material can be ensured, and the application range of the back plate structure 100 is improved.

[0063] Specifically, in this embodiment, each fixing structure 2 includes at least two support columns 21.

[0064] Of course, the utility model is not limited to the specific number of support columns 21, in an embodiment of the utility model, each fixing structure 2 includes only two support columns 21.

[0065] In another embodiment of the utility model, each fixing structure 2 includes three support columns 21, so that, on some cooperation units 11, three support columns 21 are arranged at intervals in the length direction and the width direction of the base plate 1, and are arranged along the thickness direction of the base plate 1, and on the remaining cooperation units 11, one support column 21 is arranged at intervals with another support column 21 in the length direction of the base plate 1, and is arranged at intervals with another support column 21 in the width direction of the base plate 1, and three support columns 21 are arranged along the thickness direction of the base plate 1.

[0066] In still another embodiment of the present application, the fixing structure 2 comprises two support columns 21 on some of the cooperating units 11, and three support columns 21 on the rest of the cooperating units 11, wherein one of the support columns 21 is arranged apart from another support column 21 in the length direction of the substrate 1, and apart from another support column 21 in the width direction of the substrate 1.

[0067] Of course, in other embodiments of the present application, the fixing structure 2 can comprise other number of support columns 21, and the specific number of support columns 21 comprised by each fixing structure 2 can be selected according to the actual needs, and the present application does not limit this.

[0068] When the fixing structure 2 corresponding to some of the cooperating units 11 comprises two support columns 21, and the fixing structure 2 corresponding to the rest of the cooperating units 11 comprises three support columns 21, in this embodiment, the plurality of cooperating units 11 comprises a plurality of first cooperating units 111, a plurality of second cooperating units 112 and a plurality of third cooperating units 113, the plurality of first cooperating units 111 is located in the middle of the substrate 1, the plurality of first cooperating units 111 is arranged apart in the length direction and / or the width direction of the substrate 1, the plurality of second cooperating units 112 is located in the periphery of the plurality of first cooperating units 111, and is arranged corresponding to the corners of the substrate 1 respectively, the plurality of third cooperating units 113 is located in the periphery of the plurality of first cooperating units 111, and is located between two second cooperating units 112 arranged corresponding in the length direction or the width direction of the substrate 1, and the plurality of fixing structures 2 is arranged between the plurality of second cooperating units 112 and the plurality of third cooperating units 113. In this way, the plurality of first cooperating units 111 is arranged in the middle of the substrate 1 to provide a connection basis for the plurality of other cooperating units 11, the plurality of third cooperating units 113 constitutes the side edge of the substrate 1, the plurality of second cooperating units 112 constitutes the corner of the substrate 1, and the plurality of first cooperating units 111, the plurality of second cooperating units 112 and the plurality of third cooperating units 113 are cooperated to complete the combination of the substrate 1, and the fixing structure 2 is arranged between the second cooperating unit 112 and the third cooperating unit 113, which can ensure the fixation of the optical material and avoid excessive influence of the fixing structure 2 on the optical material.

[0069] It can be understood that in this embodiment, each second cooperating unit 112 is provided with at least two support columns 21, and each third cooperating unit 113 is provided with two support columns 21.

[0070] Similarly, the utility model is not limited to the specific number of the support column 21 arranged on the second cooperation unit 112.

[0071] It should be noted that, since the second cooperation unit 112 corresponds to the corner of the substrate 1, please refer to Figure 4 In this embodiment, the number of the second cooperation unit 112 is four, in the further embodiment of the utility model, four second cooperation units 112 include two support cooperation units 11, each support cooperation unit 11 is provided with a support seat 3 at one end in the thickness direction of the substrate 1, the support seat 3 is arranged along the width direction of the substrate 1 and at least partially protrudes from the support cooperation unit 11 in the width direction of the substrate 1, and the support seat 3 is used to support the substrate 1. By so arranging, two support seats 3 are supported by two support cooperation units 11 to complete the support of the substrate 1, so that the backboard structure 100 can be erected on a bearing surface.

[0072] Meanwhile, in this embodiment, two support seats 3 should protrude from the support cooperation unit 11 in the same direction, therefore, in order to make two support cooperation units 11 have universality, in this embodiment, each support cooperation unit 11 is provided with two support columns 21, and two support columns 21 are arranged in the width direction of the substrate 1, so that the universality of two support cooperation units 11 can be ensured.

[0073] Of course, please refer to Figure 3 In another embodiment, the fixing ability of the fixed structure 2 to the optical material can also be ensured, in this embodiment, each support cooperation unit 11 is provided with three support columns 21, one of which is arranged in the length direction of the substrate 1 and spaced apart from another support column 21, and is arranged in the width direction of the substrate 1 and spaced apart from another support column 21, so that the fixing ability to the optical material can be further ensured.

[0074] Of course, in this embodiment, the support cooperation unit 11 is detachably connected with the support seat 3, and two support seats 3 respectively protrude from the corresponding support cooperation unit 11 in different directions.

[0075] In addition, in order to realize the adjustable mixing distance, please refer to Figure 1 and 7In an embodiment of the utility model, two support columns 21 corresponding to each fixed structure 2 are provided with a baffle 22 in the length direction or width direction of the substrate 1, the baffle 22 is located at the part of the support column 21 close to the corresponding cooperation unit 11, and abuts against the cooperation unit 11.

[0076] It should be noted that in this embodiment, among the two adjacent cooperation units 11 provided with the support column 21, the two support columns 21 arranged adjacent to each other are arranged in abutment, so that the plurality of support columns 21, the plurality of baffles and the plurality of cooperation units 11 jointly enclose a light mixing cavity with one end open in the thickness direction of the substrate 1, so that the light mixing distance is adjustably arranged within the size of the baffle 22 in the thickness direction of the substrate 1.

[0077] In addition, the utility model does not limit the adjustment range of the light mixing distance, for example, in a further embodiment of the utility model, the size of the baffle 22 in the thickness direction of the substrate 1 is 50mm, and the adjustment range of the light mixing distance is 0-50mm; of course, in other embodiments of the utility model, the size of the baffle 22 in the thickness direction of the substrate 1 can also be set to other values, so as to obtain different adjustment ranges of the light mixing distance. In actual setting, it can be selected according to the demand.

[0078] In a further embodiment of the utility model, in order to facilitate the installation of each baffle 22, each support column 21 is recessed with a groove 23 at one end face facing another support column 21, the groove 23 is at least one end through in the thickness direction of the substrate 1, and the baffle 22 is inserted into the groove 23 from the through end of the groove 23. By such arrangement, the groove 23 can limit the movement of the baffle 22 to ensure the stability of the installation position of the baffle 22 after installation.

[0079] Of course, in another embodiment of the utility model, each support column 21 can also be provided with an abutting member, the abutting member is detachably connected with the corresponding support column 21, each abutting member is located on the side of the corresponding baffle 22 away from the cooperation unit 11, so that after the baffle 22 is installed between the corresponding two support columns 21, it abuts and clamps the baffle 22 together with the cooperation unit 11, thereby completing the fixation of the baffle 22.

[0080] And for determining the specific value of mixed light distance, in further embodiments of the utility model, each of the support column 21 surface is equipped with a plurality of scale groove. It can be understood that a plurality of scale groove is arranged along the width direction of the base plate 1, of course, the utility model does not limit the specific setting position of a plurality of scale groove, in an embodiment of the utility model, a plurality of scale groove and corresponding recess 23 are arranged on the same end face, and in another embodiment of the utility model, a plurality of scale groove is arranged on the end face adjacent to the recess 23.

[0081] It also needs to be explained that, in order to avoid the optical material from the open end of the mixed light cavity, please refer to Figure 6 In an embodiment of the utility model, each of the fixing structure 2 further includes at least two limiting parts 24, two limiting parts 24 are movably arranged on two support columns 21 along the thickness direction of the base plate 1, and can rotate along the axis of the thickness direction of the base plate 1, each of the limiting parts 24 is used for abutting against one end of the optical material in the thickness direction of the base plate 1. In this way, a plurality of limiting parts 24 can jointly limit the movement of the optical material along the thickness direction of the base plate 1, thereby reducing the risk of falling of the optical material.

[0082] It can be understood that the utility model does not limit the specific structure of the limiting part 24, in an embodiment of the utility model, each of the limiting part 24 includes a mounting ring 241 and a limiting piece 242, the mounting ring 241 is rotatably sleeved on the corresponding support column 21, and can move along the thickness direction of the base plate 1, the limiting piece 242 has two ends arranged oppositely, one end of which is connected with the mounting ring 241 to rotate synchronously with the mounting ring 241, and the limiting piece 242 is used for abutting against one end of the optical material in the thickness direction of the base plate 1. In this way, before the optical material is installed into the mixed light cavity, the mounting ring 241 drives the limiting piece 242 to rotate, so that the limiting piece 242 avoids the mixed light cavity, after the installation of the optical material is completed, the mounting ring 241 drives the limiting piece 242 to rotate again, so that the limiting piece 242 is located on the side of the optical material away from the base plate 1, and then the mounting ring 241 drives the limiting piece 242 towards the optical material, until the limiting piece 242 abuts against one end of the optical material in the thickness direction of the base plate 1.

[0083] In another embodiment of the utility model, each limit part 24 further includes a ball screw and the limit piece 242, the limit piece 242 has two ends oppositely arranged, one end is connected the nut of ball screw, the ball screw is arranged along the thickness direction of base plate 1, so, before the light mixing cavity of optical material eye device, the screw rod of ball screw rotates, make the limit piece 242 avoid the light mixing cavity, after the installation of optical material is completed, the screw rod of ball screw rotates again, to make the limit piece 242 moves to the side of optical material away from base plate 1, and make the limit piece 242 move towards the direction of optical material, until the limit piece 242 is tightly closed the one end of optical material in the thickness direction of base plate 1.

[0084] And in other embodiments of the utility model, the structure of the limit part 24 can also be set to other structural forms, which can be selected according to requirements in actual setting.

[0085] In addition, to determine the specific number of the first matching unit 111, the second matching unit 112 and the third matching unit 113 required for various sizes of the base plate 1, in an embodiment of the utility model, the number of the matching unit 11 in the length direction of the base plate 1 is A, the number of the matching unit 11 in the width direction of the base plate 1 is B, the number of the first matching unit 111 is (A-2)*(B-2), the number of the second matching unit 112 is 4, and the number of the third matching unit 113 is 2(A+B)-8. In this way, the required number of various matching units 11 can be accurately obtained.

[0086] As for the required number of the baffle 22, when two support columns 21 are arranged on each of the two support matching units 11, the number of the baffle 22 is 2*(A+B)-2; when three support columns 21 are arranged on each of the two support matching units 11, the number of the baffle 22 is 2*(A+B).

[0087] The utility model also proposes a backboard module, the backboard module includes backboard structure 100, diffusion plate 200 and optical film piece 300, the specific structure of backboard structure 100 refers to the above embodiment, because the backboard module of the utility model adopts all technical schemes of the above all embodiments, so at least has all beneficial effects brought by the technical scheme of the above embodiment, here will not repeat again. Wherein, the diffusion plate 200 is arranged on the side of backboard structure 100 along the thickness direction of base plate 1, and the optical film piece 300 is arranged on the side of diffusion plate 200 away from backboard structure 100.

[0088] It should be noted that the optical material includes the diffusion plate 200 and the optical film 300.

[0089] Please refer to Figure 8 In an embodiment of the present application, the diffusion plate 200 is provided with a plurality of avoiding portions 210 at the end portions in the length direction and the width direction of the substrate 1, and each avoiding portion 210 is provided corresponding to a fixing structure 2. In this way, the diffusion plate 200 and the plurality of fixing structures 2 can be prevented from interfering with each other, thereby affecting the structural matching of the diffusion plate 200.

[0090] It can be understood that the present application does not limit the specific structure of the avoiding portion 210, and in an embodiment of the present application, the avoiding portion 210 includes an avoiding hole, and the fixing structure 2 can pass through the avoiding hole to avoid interfering with the diffusion plate 200.

[0091] In another embodiment of the present application, the avoiding portion 210 can also be provided as an avoiding groove, and the fixing structure 2 can be inserted into the avoiding groove to avoid interfering with the diffusion plate 200.

[0092] Specifically, in the present embodiment, the avoiding portion 210 includes an avoiding hole.

[0093] In addition, in order to avoid the interference between the optical film 300 and the fixing structure 2, please refer to Figure 9 In an embodiment of the present application, the optical film 300 is provided with a plurality of second connecting portions 310 at the end portions in the length direction and the width direction of the substrate 1, each second connecting portion 310 is provided corresponding to a fixing structure 2, and each second connecting portion 310 is connected to the corresponding fixing structure 2.

[0094] Similarly, the present application also does not limit the specific structure of the second connecting portion 310, and in an embodiment of the present application, the second connecting portion 310 includes a hanging hole, and the fixing structure 2 is arranged through the hanging hole. In this way, the fixing structure 2 can be further stabilized while avoiding interfering with the optical film 300, thereby avoiding the deformation of the optical film 300 and affecting the optical performance of the optical film 300.

[0095] In another embodiment of the present application, the second connecting portion 310 can also be provided as an adhesive member, and the adhesive member is bonded to the peripheral side surface of the fixing structure 2. In this way, the fixing structure 2 can be installed while avoiding interfering with the optical film 300, thereby stabilizing the shape of the optical film 300.

[0096] The above merely illustrates the exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the present application and by using the content of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. A backplane structure, characterized by, The backboard structure further comprises a plurality of fixing structures, each of the fixing structures is located on one side of the substrate in the thickness direction and is arranged on the plurality of fitting units at the periphery of the substrate, each of the fixing structures comprises at least two support columns, the two support columns are arranged in the length direction and / or the width direction of the substrate and are arranged in the thickness direction of the substrate, and each of the support columns is used for abutting against one end of the optical material in the length direction or the width direction of the substrate.

2. The backplane structure of claim 1, wherein, The plurality of fitting units comprises:

3. The backplane structure of claim 2, wherein, The plurality of first fitting units are located in the middle part of the substrate and are arranged in the length direction and / or the width direction of the substrate; The plurality of second fitting units are located in the periphery of the plurality of first fitting units and are arranged corresponding to the corners of the substrate; and The plurality of third fitting units are located in the periphery of the plurality of first fitting units and are located between two second fitting units arranged corresponding in the length direction or the width direction of the substrate; The plurality of fixing structures are arranged on the plurality of second fitting units and the plurality of third fitting units, and each of the second fitting units is provided with at least two support columns, and each of the third fitting units is provided with two support columns. The plurality of second fitting units comprise two support fitting units, each of the support fitting units is provided with a support seat at one end in the thickness direction of the substrate, the support seat is arranged in the width direction of the substrate and at least partially protrudes from the support fitting unit in the width direction of the substrate, and the support seat is used for supporting the substrate.

4. The backplane structure of claim 3, wherein, Each of the fixing structures is provided with a baffle between the two support columns arranged corresponding in the length direction or the width direction of the substrate, the baffle is located at the part of the support column close to the corresponding fitting unit and abuts against the fitting unit.

5. The backplane structure of claim 2, wherein, Each of the support columns is recessed with a groove at one end surface facing the other support column, and the groove is arranged in the thickness direction of the substrate at least at one end.

6. The backplane structure of claim 5, wherein, The baffle is inserted into the groove from the through end of the groove. Each of the support columns is provided with a plurality of scale grooves.

7. The backplane structure of claim 5, wherein, Each of the fixing structures further comprises at least two limiting parts, the two limiting parts are movably arranged on the two support columns in the thickness direction of the substrate and can rotate along the axis extending in the thickness direction of the substrate, and each of the limiting parts is used for abutting against one end of the optical material in the thickness direction of the substrate.

8. The backplane structure of claim 2, wherein, Each of the limiting parts comprises:

9. The backplane structure of claim 8, wherein, A mounting ring is rotatably sleeved on the corresponding support column and can move in the thickness direction of the substrate; and ​ A limiting member is provided with two opposite ends, one of which is connected to the mounting ring to rotate synchronously with the mounting ring, and is used to abut against one end of the optical material in the thickness direction of the substrate.

10. The backplane structure of claim 1, wherein, The plurality of matching units include: A first matching unit is located in the middle of the substrate, and a plurality of first matching units are arranged at intervals along the length and / or width of the substrate. A plurality of third matching units are located on the periphery of the plurality of first matching units and avoid the corners of the substrate. The number of matching units in the length direction of the substrate is A, and the number of matching units in the width direction of the substrate is B. The number of first matching units is (A-2)*(B-2). The number of third matching units is 2(A+B)-8.

11. The backplane structure of claim 1, wherein, A first connecting part and a matching part are arranged at intervals on at least one side of the matching unit in the circumferential direction, and in the two adjacent matching units, the first connecting part of one of the matching units is connected to the matching part of the other matching unit.

12. A backplane module, characterized by It includes: The back plate structure is as claimed in any one of claims 1 to 11; The diffusion plate is provided on one side of the back plate structure in the thickness direction of the substrate; and The optical film is provided on the side of the diffusion plate away from the back plate structure.

13. The backplane module of claim 12, wherein, The back plate structure further includes a plurality of fixing structures, and the plurality of fixing structures are located on one side of the substrate in the thickness direction; The diffusion plate is provided with a plurality of avoiding parts at the ends in the length and width directions of the substrate, each avoiding part is provided corresponding to a fixing structure, and / or the optical film is provided with a plurality of second connecting parts at the ends in the length and width directions of the substrate, each second connecting part is provided corresponding to a fixing structure, and each second connecting part is connected to the corresponding fixing structure.

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