CN220191267U - Display panel frame assembly, display panel and industrial tablet personal computer - Google Patents

Abstract

The embodiment of the utility model relates to the technical field of display devices, and discloses a display panel frame assembly, a display panel and an industrial tablet personal computer, wherein the display panel frame assembly comprises: the first frames and the second frames are strip-shaped; the two ends of the first frame are provided with first positioning parts, and the two ends of one side of the second frame are provided with second positioning parts; the first frames and the second frames are arranged in a surrounding mode, and the end portions of the first frames are clamped with the end portions of one sides of the second frames through the first positioning portions and the second positioning portions. By the mode, the embodiment of the utility model can reduce the production cost of the display panel.

Description

Display panel frame assembly, display panel and industrial tablet personal computer

Technical Field

The embodiment of the utility model relates to the technical field of display devices, in particular to a display panel frame assembly, a display panel and an industrial tablet personal computer.

Background

The front panel of the existing industrial tablet personal computer is mostly designed and manufactured by adopting aluminum alloy, and has the advantages of being attractive in appearance, waterproof, dustproof and the like. At present, most of front panels of industrial tablet computers are machined by a machine tool, specifically, corresponding shapes and sizes are milled on a large aluminum alloy plate according to design requirements.

Because the hollowed-out display area needs to be milled on the aluminum alloy plate, and the area of the display area often accounts for more than 70% of the area of the whole front panel, the large-area material of the aluminum alloy plate can be removed, and the removed material is difficult to directly reutilize, so that the production cost is increased.

Disclosure of Invention

In view of the above problems, embodiments of the present utility model provide a display panel frame assembly, a display panel and an industrial tablet computer, which are used for solving the problem of high production cost of the current display panel.

According to an aspect of an embodiment of the present utility model, there is provided a display panel frame assembly including: the first frames and the second frames are strip-shaped; the two ends of the first frame are provided with first positioning parts, and the two ends of one side of the second frame are provided with second positioning parts; the first frames and the second frames are arranged in a surrounding mode, and the end portions of the first frames are clamped with the end portions of one sides of the second frames through the first positioning portions and the second positioning portions.

In an alternative form, the first locating portion comprises a protrusion and the second locating portion comprises a recess; the protruding end is provided with the screw hole, is provided with the through-hole on the wall opposite to the screw hole in the recess, and the through-hole is used for the threaded fastener to pass and be connected with the screw hole.

According to another aspect of an embodiment of the present utility model, there is provided a display panel including a touch screen assembly and the above display panel frame assembly; the inner side edges of the front surfaces of the first frame and the second frame are respectively provided with a step part, and the step parts on the first frame and the step parts on the second frame are enclosed to form annular step parts; the touch screen component is arranged on the inner periphery of the annular step part, and the edge of the touch screen component is connected with the annular step part.

In an alternative mode, the back surface of the display panel frame assembly is provided with a mounting part, and an indicator light plate is arranged at the mounting part; the position on the step portion opposite to the mounting portion is provided with a hollowed-out portion, and the hollowed-out portion is used for accommodating an indicator lamp on the indicator lamp panel.

In an alternative mode, the display panel further comprises a display screen assembly, wherein the display screen assembly is arranged on the inner periphery of the display panel frame assembly and is positioned on the back surface of the touch screen assembly, and a touch signal adapter plate is arranged on the back surface of the display screen assembly; the inner edge of the annular step part is provided with a gap for avoiding, and a signal wire of the touch screen assembly passes through the gap for avoiding and is connected with the touch signal adapter plate.

In an alternative mode, the clearance gap is arranged on the step part of the first frame; the display screen assembly comprises a display screen and display screen supports, the display screen supports are arranged on two opposite side edges of the display screen, and the display screen supports are connected with the first frame; the position of the display screen support, which is opposite to the avoidance notch, is provided with a avoidance hole, the touch signal adapter plate is arranged on the back surface of the display screen, and a signal wire of the touch screen assembly sequentially passes through the avoidance notch and the avoidance hole and is connected with the touch signal adapter plate.

In an optional mode, the display panel further comprises a back plate support, the back plate support is connected to the back surface of the display panel frame assembly, a display signal adapter plate and a power supply plate are arranged on the back plate support, and the display signal adapter plate, the power supply plate and the touch signal adapter plate are electrically connected with each other.

In an alternative manner, the step portion includes a first-layer step portion and a second-layer step portion, the second-layer step portion being disposed at an outer periphery of the first-layer step portion; the touch screen assembly comprises a resistance type touch screen and a support, wherein the support is annular, the inner periphery of the front face of the support is provided with a concave pressing edge, the resistance type touch screen is arranged on the inner periphery of the front face of the support, and the edge of the resistance type touch screen is connected with the front face of the pressing edge; the profiling edge is arranged on the inner periphery of the first layer of step part, and the back surface of the bracket is connected with the first layer of step part; the front of the resistive touch screen is provided with a cover film, and the edge of the cover film is connected with the second layer of step part.

In an alternative mode, the back of the display panel frame assembly is provided with a convex enclosing part, and the inner side of the enclosing part forms a cavity for installing the display screen assembly; the display panel also comprises a cover plate, the cover plate is buckled on the enclosing part, the edge of the cover plate is provided with a folded edge, and the folded edge is connected with one side surface of the enclosing part, which is away from the cavity; or, the back of the display panel frame assembly is provided with a concave enclosing part, and the space at the inner periphery of the enclosing part jointly forms a cavity for installing the display screen assembly; the display panel also comprises a cover plate, the cover plate is buckled on the back surface of the display panel frame assembly, and the edge of the cover plate is connected with the surface of the display panel frame assembly, which is positioned on the periphery of the enclosing part.

According to another aspect of the embodiment of the utility model, an industrial tablet computer is provided, which comprises a host and the display panel, wherein the back surface of the display panel is connected with the host.

In the display panel frame assembly provided by the embodiment of the utility model, the strip-shaped first frame and the strip-shaped second frame are used for enclosing to form the whole panel frame, compared with a mode of cutting a display area by a large-area aluminum alloy block, the production cost can be effectively saved, and meanwhile, in order to ensure the attractiveness and the precision of the display panel frame assembly, the joint of the first frame and the second frame is limited by adopting the first positioning part and the second positioning part, so that the relative positions of the first frame and the second frame are accurate and reliable, the surface of the assembled panel is smooth, the overall size error of the display panel frame assembly is small, and the mounting precision requirements of other assemblies such as a subsequent screen are met.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 is a schematic structural diagram of a display panel frame assembly according to an embodiment of the present utility model;

fig. 2 is a view angle structure of a joint between a first frame and a second frame in a display panel frame assembly according to an embodiment of the present utility model;

fig. 3 is a structure of another view angle at a joint of a first frame and a second frame in the display panel frame assembly according to the embodiment of the present utility model;

fig. 4 is a schematic cross-sectional structure of a first strip-shaped section for processing a first frame and a second frame according to an embodiment of the present utility model;

FIG. 5 is a view angle structure of a display panel frame assembly according to another embodiment of the present utility model at a joint of a first frame and a second frame;

FIG. 6 is a view angle structure of a display panel frame assembly according to another embodiment of the present utility model;

fig. 7 is a schematic cross-sectional structure of a second strip-shaped section for processing a first frame according to an embodiment of the present utility model;

fig. 8 is a schematic cross-sectional structure of a third strip-shaped section for processing a second frame according to an embodiment of the present utility model;

fig. 9 is a schematic structural diagram of a display panel according to an embodiment of the present utility model;

fig. 10 is a schematic diagram of a front structure of a display panel frame assembly in a display panel according to an embodiment of the utility model;

fig. 11 is a schematic diagram of an exploded structure of the front surface of a touch screen assembly in a display panel according to an embodiment of the present utility model;

FIG. 12 is a schematic diagram of a front structure of a display panel frame assembly in a display panel according to another embodiment of the utility model;

FIG. 13 is a schematic diagram of an exploded structure of a display panel according to another embodiment of the present utility model;

fig. 14 is a schematic structural diagram of the back surface of a display panel according to an embodiment of the present utility model;

fig. 15 is a schematic structural diagram of a display panel according to an embodiment of the present utility model after the cover film explodes;

fig. 16 is a schematic structural diagram of a display panel after explosion of a cover plate according to an embodiment of the present utility model;

fig. 17 is a schematic diagram of a structure of a display panel after explosion of a cover plate according to another embodiment of the utility model.

Reference numerals in the specific embodiments are as follows:

100. a display panel frame assembly; 101. a display area; 110. a first frame; 111. a first positioning portion; 1111. a protrusion; 120. a second frame; 121. a second positioning portion; 1211. a groove; 12111. a through hole; 122. an abutment surface; 123. a mounting groove; 1231. a mounting hole; 130. a threaded fastener; 140. a step portion; 1401. a first-layer stepped portion; 1402. a second level step; 141. a hollowed-out part; 142. a gap for avoiding the position; 150. a mounting part; 160. a surrounding part;

210. a first strip profile; 220. a second strip profile; 230. a third strip profile;

1000. a display panel; 300. a touch screen assembly; 310. a resistive touch screen; 320. a bracket; 321. a light hole; 322. a wire through hole; 323. molding edges; 330. a capacitive touch screen; 340. a signal line of the touch screen assembly; 350. a cover film; 351. a light-transmitting region; 400. an indicator light plate; 500. a display screen assembly; 510. a touch signal adapter plate; 520. a display screen; 530. a display screen bracket; 531. a clearance hole; 600. a backboard support; 700. a display signal adapter plate; 800. a power supply board; 900. a cover plate; 910. and (5) flanging.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present utility model, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present utility model, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: there are three cases, a, B, a and B simultaneously. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present utility model, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present utility model, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present utility model.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In order to solve the problems of material waste and cost increase caused by cutting a display area on an aluminum alloy plate, the utility model adopts the strip-shaped frame to splice and assemble to form the frame of the display panel, thereby avoiding cutting the aluminum alloy plate and avoiding resource waste caused by the material cut off by the display area.

Further, in order to guarantee the precision when the frame concatenation assembly of a plurality of bars, set up first location portion and second location portion respectively in the position of two frame tip butt joints, when the assembly, through mutual joint cooperation of first location portion and second location portion, the reservation position or the fixed between two frames are realized, guarantee the precision after the assembly of display panel frame subassembly to prevent to appear unevenness because of the condition such as dislocation leads to the assembly area surface, and prevent to lead to follow-up unable normal installation screen because of assembly error is great.

In accordance with an aspect of an embodiment of the present utility model, a display panel frame assembly is provided, and referring to fig. 1 specifically, fig. 1 shows an overall structure of the display panel frame assembly according to the embodiment of the present utility model. As shown in the drawing, the display panel frame assembly 100 includes a plurality of first and second rims 110 and 120, and each of the first and second rims 110 and 120 has a bar shape. The first positioning parts 111 are provided at both ends of the first frame 110, and the second positioning parts 121 are provided at both ends of the second frame 120. The first frames 110 and the second frames 120 are enclosed and arranged, and the end parts of the first frames 110 and the end parts of the second frames 120 are clamped by the first positioning parts 111 and the second positioning parts 121.

Specifically, as shown in fig. 1, two first and second bezel 110 and 120 may be employed to enclose a rectangular display panel frame assembly 100, and a wide side may be formed by the first bezel 110 and a long side may be formed by the second bezel 120 as shown in fig. 1. It will be appreciated that the long side may be formed by the first frame 110 and the wide side may be formed by the second frame 120. In other embodiments, the first and second frames 110 and 120 may be enclosed to form the square display panel frame assembly 100, as required by the size.

Because the display panel frame assembly 100 provided by the embodiment of the utility model is formed by enclosing and assembling the first and second strip-shaped frames 110 and 120, the strip-shaped section bar can be directly adopted to process the detail structure, and the plate-shaped aluminum alloy block is not required to be adopted to perform large-area milling and cutting, so that a large amount of waste of materials is avoided, and the production cost is saved.

One of the first positioning portion 111 and the second positioning portion 121 may be a clamping block, the other may be a clamping groove, or may be a pair of clamping hooks that are mutually clamped. If the first positioning portion 111 and the second positioning portion 121 are a clamping block and a clamping groove or a pair of hooks that are clamped and limited to each other in the length direction (the direction shown by the x axis in fig. 1) and the width direction (the direction shown by the y axis in fig. 1), the first frame 110 and the second frame 120 can be pre-positioned by the first positioning portion 111 and the second positioning portion 121, and after the pre-positioning, the first frame 110 and the second frame 120 can be assembled and fixed by welding, screwing, and the like, and the assembly precision of the first frame 110 and the second frame 120 can be ensured by the pre-positioning method. If the first positioning portion 111 and the second positioning portion 121 adopt a clamping block and a clamping groove or a pair of clamping hooks which are mutually clamped and limited along the length direction, the width direction and the thickness direction (the direction shown by the z-axis in fig. 1), the assembly between the first frame 110 and the second frame 120 can be completed through the mutual clamping and fixing of the first positioning portion 111 and the second positioning portion 121, the whole assembly process is simple and easy to operate, the assembly efficiency is improved, and the assembly precision can be ensured through the limiting effect between the first positioning portion 111 and the second positioning portion 121.

In the display panel frame assembly 100 provided by the embodiment of the utility model, the strip-shaped first frame 110 and the strip-shaped second frame 120 are used for enclosing to form the whole panel frame, compared with a mode of cutting a display area by a large aluminum alloy plate, the production cost can be effectively saved, meanwhile, in order to ensure the aesthetic property and the precision of the display panel frame assembly 100, the joint of the first frame 110 and the second frame 120 is clamped and limited by adopting the first positioning part 111 and the second positioning part 121, so that the relative position of the first frame 110 and the second frame 120 is accurate and reliable, the surface of a panel is smooth after the assembly, the overall size error of the display panel frame assembly 100 is small, and the mounting precision requirements of other assemblies such as a subsequent screen are met.

In order to ensure the stability of the connection between the first frame 110 and the second frame 120, the present utility model further proposes an embodiment, referring to fig. 2 and 3, in which fig. 2 shows a structure at a certain view angle of the connection between the first frame 110 and the second frame 120, and fig. 3 shows a structure at another view angle of the connection between the first frame 110 and the second frame 120. As shown in the drawing, the first positioning portion 111 includes a projection 1111, and the second positioning portion 121 includes a groove 1211. The distal end of the boss 1111 is provided with a threaded hole, and a through hole 12111 is provided in a wall of the recess 1211 opposite to the threaded hole, the through hole 12111 being for the threaded fastener 130 to pass therethrough and be coupled with the threaded hole.

When assembling, after aligning and inserting the protrusions 1111 of the first frame 110 into the grooves 1211 of the second frame 120, inserting the threaded fasteners 130 from the through holes 12111 on the outer side of the second frame 120, and screwing, so that the threaded fasteners 130 are connected with the threaded holes of the protrusions 1111, and the assembly between the first frame 110 and the second frame 120 can be completed, and the whole process is simple and easy to operate.

By adopting the manner that the threaded fastener 130 passes through the through hole 12111 to be connected with the threaded hole on the protrusion 1111, the structural stability of the first frame 110 and the second frame 120 after being connected can be ensured, and meanwhile, the assembly operation between the two is convenient, which is beneficial to improving the assembly efficiency of the display panel frame assembly 100.

Further, in order to ensure the assembly precision between the first frame 110 and the second frame 120, in some embodiments, the width of the protrusion 1111 (i.e. the dimension along the x-axis direction in fig. 2) and the width of the recess 1211 may be set to be the same, so that after the protrusion 1111 is inserted into the recess 1211, the recess 1211 may reliably limit the protrusion 1111 along the width direction, ensure the relative position precision along the width direction, and further ensure the dimensional precision of the display area 101 (as shown in fig. 1) formed by the internal enclosing of the first frame 110 and the second frame 120, so as to avoid influencing the normal installation of the screen at the subsequent display area 101 due to the oversized dimensional deviation of the display area 101 after assembly.

Further, in order to prevent the protrusion 1111 from being unable to be fully inserted into the groove 1211 due to a machining error, in some embodiments, the depth (the dimension along the y-axis shown in fig. 2) of the groove 1211 may be set to be slightly larger than the height (the dimension along the y-axis shown in fig. 2) of the protrusion 1111, for example, the depth of the groove 1211 may be 0.1mm or 0.15mm larger than the height of the protrusion 1111, so as to ensure that the protrusion 1111 may be smoothly snapped into the groove 1211, thereby ensuring that the dimension of the display area 101 after assembly is accurate and reliable.

In order to ensure that the surface of the display panel frame assembly 100 formed by the enclosing process is smooth and beautiful, as shown in fig. 2, in some embodiments, the second frame 120 is provided with an abutment surface 122 below the groove 1211 (i.e. below the groove 1211 along the direction indicated by the z-axis), when the protrusion 1111 is inserted into the groove 1211, the bottom surface of the protrusion abuts against the abutment surface 122, the top surface of the protrusion is flush with the upper surface of the second frame 120 at the groove 1211, and after assembly, the first frame 110 and the top surface of the second frame 120 form a state as shown in fig. 3. Further, after the assembly is completed, the joint between the first frame 110 and the second frame 120 may be covered by paint after polishing, so that the overall appearance of the display panel frame assembly 100 is complete and beautiful.

To further reduce the production cost, in some embodiments, the first frame 110 and the second frame 120 may be machined using a first bar-shaped profile 210 having a cross-sectional shape as shown in fig. 4. Specifically, the long bar-shaped section bar with the cross-sectional shape can be mass-produced, then the first frame 110 and the second frame 120 with corresponding dimensions are cut according to the design dimensions of the display panel frame assembly 100, then the protrusions 1111 are processed at the two ends of the cut first frame 110, the grooves 1211 are processed at the two ends of one side of the cut second frame 120, and finally the processed first frame 110 and second frame 120 are spliced and assembled, so that the production and assembly processes of the display panel frame assembly 100 are completed. On one hand, the manufacturing difficulty of mass production of single-shape sectional materials is low, the cost is low, and the material management of a supply chain is convenient; on the other hand, the sectional materials can be directly cut out on the same sectional material according to the required size, and the sectional materials with different sizes do not need to be produced according to panel frames with different sizes, so that the production cost is further reduced.

In order to meet the requirements of different display panel frame assemblies for the frame widths, the present utility model further proposes an embodiment, and particularly referring to fig. 5 and 6, which respectively show structures of the display panel frame assembly 100 at two viewing angles at the joint of the first frame 110 and the second frame 120 according to another embodiment. As shown in the drawing, the first frame 110 is also provided with a projection 1111, the second frame 120 is provided with a groove 1211, an inner wall of the second frame 120 opposite to the projection 1111 at the groove 1211 is provided with a mounting groove 123 at a rear side of the groove 1211 facing away from the projection 1111, and an inner wall of the mounting groove 123 opposite to the through hole 12111 is provided with a mounting hole 1231, wherein a radial dimension of the mounting hole 1231 is larger than a radial dimension of the through hole 12111 and larger than a radial dimension of a head of the threaded fastener 130.

In assembly, the protrusion 1111 is inserted into the groove 1211, the threaded fastener 130 is inserted into the mounting groove 123 from the mounting hole 1231, and the threaded fastener 130 is connected with the threaded hole of the protrusion 1111 by a tool to be screwed, so that the first frame 110 and the second frame 120 are assembled.

Specifically, for the embodiment shown in fig. 5 and 6, the first frame 110 may be formed by cutting and processing the second bar-shaped profile 220 having a cross-sectional shape as shown in fig. 7, and the second frame 120 may be formed by cutting and processing the third bar-shaped profile 230 having a cross-sectional shape as shown in fig. 8, and the widths of the first frame 110 and the second frame 120 in the embodiment shown in fig. 5 and 6 are different from those of the first frame 110 and the second frame 120 in the embodiment shown in fig. 2 and 3.

In accordance with another aspect of the embodiments of the present utility model, a display panel is provided, and referring to fig. 9 to 11, fig. 9 shows a front structure of the display panel provided by the embodiment of the present utility model, fig. 10 shows a front structure of a display panel frame assembly in the display panel, and fig. 11 shows a front structure of a touch screen assembly in the display panel. As shown in the drawings, the display panel 1000 includes the touch screen assembly 300 and the display panel frame assembly 100 in any of the above embodiments. The inner sides of the front sides of the first frame 110 and the second frame 120 are respectively provided with a step part 140, and the step parts 140 on the first frame 110 and the step parts 140 on the second frame 120 are enclosed to form annular step parts. The touch screen assembly 300 is disposed at an inner circumference of the annular step portion, and an edge of the touch screen assembly 300 is connected with the annular step portion.

Specifically, the stepped portions 140 may be milled on the inner circumferences of the first and second frames 110 and 120 by a machine tool, and the touch screen assembly 300 may be accommodated in the stepped portions 140 to be positioned and may be fixedly connected to the stepped portions 140 by means of bonding or the like.

For the embodiment shown in fig. 9 to 11, the touch screen assembly 300 employs a resistive touch screen 310, and the resistive touch screen 310 needs to be connected to the step 140 through a bracket 320, for example, the bracket 320 may be fixedly connected to the step 140 through a threaded fastener. Referring to fig. 12 and 13, for the touch screen assembly 300 using the capacitive touch screen 330, the capacitive touch screen may be directly adhered to the step portion 140.

In the display panel 1000 provided by the embodiment of the utility model, the display panel frame assembly 100 formed by the first frame 110 and the second frame 120 in a surrounding and splicing manner can effectively reduce the production cost and improve the assembly efficiency, and the positioning and the installation of the touch screen assembly 300 on the display panel frame assembly 100 are realized by surrounding and forming the annular step part by the step part 140 arranged on the first frame 110 and the second frame 120.

Referring to fig. 14, a structure of the back side of the display panel 1000 is shown. As shown in the drawings, in some embodiments, the back surface of the display panel frame assembly 100 is provided with a mounting portion 150, and an indication lamp panel 400 is provided at the mounting portion 150. Referring to fig. 10 and 12 again, a hollowed portion 141 is disposed at a position of the step portion 140 opposite to the indicator panel 400, and the hollowed portion 141 is used for accommodating the indicator on the indicator panel 400.

As shown in fig. 11, for the embodiment employing the resistive touch screen 310, the light holes 321 are required to be formed on the support 320, so that the indicator lamps of the indicator lamp panel 400 can be normally observed from the front through the light holes 321.

Through setting up the pilot lamp plate 400 in the installation department 150 to offer fretwork portion 141 on step portion 140, make the pilot lamp of pilot lamp plate 400 can hold in fretwork portion 141, and when the pilot lamp on the pilot lamp plate 400 shines, can see from the front of display panel 1000, in order to make things convenient for the user to observe.

Referring to fig. 14 again, in some embodiments, the display panel 1000 further includes a display screen assembly 500, the display screen assembly 500 is disposed on the inner periphery of the display panel frame assembly 100 and is located on the back surface of the touch screen assembly 300, and the touch signal adapter plate 510 is disposed on the back surface of the display screen assembly 500. Referring to fig. 10 and 12, a gap 142 is formed at an inner edge of the annular step portion, and a signal wire 340 of the touch screen assembly passes through the gap 142 and is connected to a touch signal adapter plate 510.

It should be noted that, as shown in fig. 9 and 11, for the embodiment employing the resistive touch screen 310, the support 320 is provided with the via hole 322 at a position opposite to the avoidance gap 142, and the signal wire 340 of the touch screen assembly sequentially passes through the via hole 322 and the avoidance gap 142 and then is connected to the touch signal adapter plate 510 at the back of the display screen assembly 500.

By arranging the gap 142 at the inner edge of the annular step part for the signal wire 340 of the touch screen assembly to pass through and be connected with the touch signal adapter plate 510 on the back, signal transmission between the touch screen assembly 300 and the display screen assembly 500 is realized, and normal operation of the display panel 1000 is ensured.

Referring to fig. 10 and 14 in combination, for embodiments employing a resistive touch screen, in some embodiments, the gap 142 is disposed on the step 140 of the first frame 110. The display screen assembly 500 includes a display screen 520 and a display screen support 530, wherein the display screen support 530 is disposed at two opposite sides of the display screen 520, and the display screen support 530 is connected to the first frame 110. The position of the display screen support 530 opposite to the avoidance notch 142 is provided with a avoidance hole 531, the touch signal adapter plate 510 is arranged on the back surface of the display screen 520, and the signal wire 340 of the touch screen assembly sequentially passes through the avoidance notch 142 and the avoidance hole 531 to be connected with the touch signal adapter plate 510.

Specifically, the display 520 may be an LCD, and the display 520 is fixed to the first frame 110 by the display brackets 530 on both sides thereof, for example, the display brackets 530 may be fixedly connected to the first frame 110 by threaded fasteners.

As shown in fig. 13, for the embodiment employing the capacitive touch screen, the gap 142 is generally formed at the inner edge of the step 140 on the second frame 120.

Referring to fig. 14 again, as shown in the drawings, the display panel 1000 further includes a back board support 600, the back board support 600 is connected to the back surface of the display panel frame assembly 100, the back board support 600 is provided with a display signal adapter board 700 and a power supply board 800, and the display signal adapter board 700, the power supply board 800 and the touch signal adapter board 510 are electrically connected to each other.

Specifically, as shown in fig. 14, the back board support 600 spans between the display panel frame assemblies 100 on two sides in a bridge manner, for example, may span between the second frames 120 as shown in fig. 14, two ends of the back board support 600 may be fixedly connected with the second frames 120 through threaded fasteners, so as to implement assembly of the back board support 600, and the display signal adapter board 700 and the power supply board 800 may be mounted on the back board support 600 through a threaded connection, an adhesive connection or a welding manner.

By arranging the backboard support 600, an installation area is provided for the display signal adapter plate 700 and the power supply plate 800, and the display panel 1000 can work normally by mutually and electrically connecting the display signal adapter plate 700, the power supply plate 800 and the touch signal adapter plate 510.

Referring again to fig. 9-11, in some embodiments, the step 140 includes a first level step 1401 and a second level step 1402, the second level step 1402 being disposed at an outer periphery of the first level step 1401. The touch screen assembly 300 includes a resistive touch screen 310 and a support 320, the support 320 is annular, the inner periphery of the front face of the support 320 is provided with a concave molding edge 323, the resistive touch screen 310 is disposed on the inner periphery of the front face of the support 320, and the edge of the resistive touch screen 310 is connected with the front face of the molding edge 323. The molding edge 323 is provided on the inner periphery of the first step 1401, and the back surface of the holder 320 is connected to the first step 1401. Referring to fig. 15, a cover film 350 is disposed on the front surface of the resistive touch screen 310, and an edge of the cover film 350 is connected to the second level 1402.

Specifically, after the touch screen assembly 300 composed of the resistive touch screen 310 and the supporter 320 is mounted on the first-layer stepped portion 1401, the cover film 350 (for example, PVC film may be used) is adhered on the second-layer stepped portion 1402. The cover film 350 may have a ring-shaped structure, and the overall color may be black and opaque, and may be different colors according to the overall appearance of the product.

For embodiments where it is desired to view the indicator light from the front, a light transmissive region 351 may be disposed on the cover film 350 opposite the indicator light, and the light transmissive region 351 may be fully transparent or translucent.

By providing the press edge 323 on the inner periphery of the support 320, positioning of the resistive touch screen 310 when assembled on the support 320 can be facilitated, and similarly, positioning of the touch screen assembly 300 when integrally assembled on the display panel frame assembly 100 can be facilitated by providing the first step portion 1401. By providing the second level 1402, it is convenient to ensure positional accuracy of the cover film 350 when attaching the cover film 350, so as to perform reliable protection of the resistive touch panel 310.

In order to ensure the structural stability of the display panel 1000, the present utility model further proposes an embodiment, and particularly please refer to fig. 16, which illustrates a structure of the back surface of the display panel according to an embodiment of the present utility model. As shown in the drawing, the back surface of the display panel frame assembly 100 is provided with a convex enclosure 160, and the inside of the enclosure 160 forms a cavity in which the display panel assembly 500 is mounted. The display panel 1000 further includes a cover plate 900, the cover plate 900 is fastened to the enclosing portion 160, the edge of the cover plate 900 has a folded edge 910, and the folded edge 910 is connected to a side surface of the enclosing portion 160 facing away from the cavity.

Specifically, after the cover plate 900 is fastened to the enclosing portion 160, the flange 910 may be connected to a side surface of the enclosing portion 160 facing away from the inner cavity through a threaded fastener, so as to realize assembly between the cover plate 900 and the display panel frame assembly 100.

Referring to fig. 17, a structure of a back surface of a display panel 1000 according to another embodiment of the utility model is shown. As shown in the drawings, in some other embodiments, the back surface of the display panel frame assembly 100 is provided with a concave enclosure 160, and the space of the inner periphery of the enclosure 160 forms a cavity for mounting the display panel assembly 500. The display panel 1000 further includes a cover plate 900, the cover plate 900 is fastened to the back surface of the display panel frame assembly 100, and the edge of the cover plate 900 is connected to the surface of the display panel frame assembly 100 located at the periphery of the enclosure portion 160.

Specifically, the cover plate 900 may have a flat plate structure, and the cover plate 900 is mounted and fixed by connecting the edge thereof to the surface of the display panel frame assembly 100 located at the outer periphery of the enclosure portion 160. The cover 900 may be formed with a convex middle portion as shown in fig. 17, and the edge has two vertically bent folds, and the depth of the internal space of the display panel 1000 may be increased by connecting the end-most folds with the surface of the display panel frame assembly 100 located at the periphery of the enclosure portion 160.

The back surface of the display panel frame assembly 100 is covered by the cover plate 900 to protect the internal components, thereby improving the overall structural stability of the display panel 1000.

According to another aspect of the embodiment of the present utility model, there is further provided an industrial tablet computer, specifically, the industrial tablet computer includes a host and the display panel 1000 in any of the foregoing embodiments, and a back surface of the display panel 1000 is connected to the host.

As shown in fig. 16 and 17, after the display panel 1000 is connected to the host, the cover 900 may be attached to the host, and an opening may be disposed on the cover 900, where the opening is used for a signal line between the display panel 1000 and the host to pass through, so as to implement signal transmission of relevant circuit elements between the host and the display panel 1000.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (10)

1. A display panel frame assembly, comprising: the first frames and the second frames are strip-shaped;

the two ends of the first frame are provided with first positioning parts, and the two ends of one side of the second frame are provided with second positioning parts;

the first frames and the second frames are arranged in a surrounding mode, and the end portions of the first frames and the end portions of one sides of the second frames are connected in a clamping mode through the first positioning portions and the second positioning portions.

2. The display panel frame assembly of claim 1, wherein the first positioning portion comprises a protrusion and the second positioning portion comprises a groove;

the end of the bulge is provided with a threaded hole, and a wall, opposite to the threaded hole, in the groove is provided with a through hole, and the through hole is used for a threaded fastener to pass through and be connected with the threaded hole.

3. A display panel comprising a touch screen assembly and a display panel frame assembly as claimed in claim 1 or 2;

the inner side edges of the front surfaces of the first frame and the second frame are respectively provided with a step part, and the step parts on the first frame and the step parts on the second frame are enclosed to form annular step parts;

the touch screen assembly is arranged on the inner periphery of the annular step part, and the edge of the touch screen assembly is connected with the annular step part.

4. A display panel according to claim 3, wherein a back surface of the display panel frame assembly is provided with a mounting portion where an indication lamp panel is provided;

the position of the step part, which is opposite to the mounting part, is provided with a hollowed-out part, and the hollowed-out part is used for accommodating the indicator lamp on the indicator lamp panel.

5. The display panel according to claim 3, further comprising a display screen assembly disposed on an inner periphery of the display panel frame assembly and located on a back surface of the touch screen assembly, wherein a touch signal adapter plate is disposed on the back surface of the display screen assembly;

the inner edge of the annular step part is provided with a avoidance gap, and a signal wire of the touch screen assembly penetrates through the avoidance gap and is connected with the touch signal adapter plate.

6. The display panel of claim 5, wherein the clearance gap is disposed on the step of the first bezel; the display screen assembly comprises a display screen and a display screen support, the display screen support is arranged on two opposite side edges of the display screen, and the display screen support is connected with the first frame; the position of the display screen support, which is opposite to the avoidance notch, is provided with an avoidance hole, the touch signal adapter plate is arranged on the back surface of the display screen, and a signal wire of the touch screen assembly sequentially penetrates through the avoidance notch and the avoidance hole and is connected with the touch signal adapter plate.

7. The display panel of claim 5, further comprising a back plate bracket connected to the back surface of the display panel frame assembly, wherein a display signal adapter plate and a power supply plate are disposed on the back plate bracket, and the display signal adapter plate, the power supply plate and the touch signal adapter plate are electrically connected to each other.

8. The display panel according to any one of claims 3 to 7, wherein the stepped portion includes a first-layer stepped portion and a second-layer stepped portion provided at an outer periphery of the first-layer stepped portion;

the touch screen assembly comprises a resistive touch screen and a support, wherein the support is annular, the inner periphery of the front face of the support is provided with a concave pressing edge, the resistive touch screen is arranged on the inner periphery of the front face of the support, and the edge of the resistive touch screen is connected with the front face of the pressing edge;

the profiling edge is arranged on the inner periphery of the first-layer step part, and the back surface of the bracket is connected with the first-layer step part;

the front of the resistive touch screen is provided with a cover film, and the edge of the cover film is connected with the second layer of step part.

9. The display panel according to any one of claims 3 to 7, wherein a back surface of the display panel frame assembly is provided with a convex enclosure portion, an inner side of the enclosure portion forming a cavity in which the display screen assembly is mounted; the display panel further comprises a cover plate, the cover plate is buckled on the enclosing part, the edge of the cover plate is provided with a folded edge, and the folded edge is connected with one side surface of the enclosing part, which is away from the cavity; or alternatively, the first and second heat exchangers may be,

the back of the display panel frame assembly is provided with an inwards concave enclosing part, and the space of the inner periphery of the enclosing part jointly forms a cavity for installing the display screen assembly; the display panel also comprises a cover plate, the cover plate is buckled on the back surface of the display panel frame assembly, and the edge of the cover plate is connected with the surface of the display panel frame assembly, which is positioned on the periphery of the enclosing part.

10. An industrial tablet computer comprising a host and the display panel of any one of claims 3-9, wherein the back of the display panel is connected to the host.