CN112925130A

CN112925130A - Symmetrical double-sided screen liquid crystal module structure

Info

Publication number: CN112925130A
Application number: CN202110274018.0A
Authority: CN
Inventors: 赵俊廷; 黄学功
Original assignee: Weihai Dongshan Precision Photoelectric Technology Co ltd
Current assignee: Weihai Dongshan Precision Photoelectric Technology Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-06-08

Abstract

The invention discloses a symmetrical double-sided screen liquid crystal module structure, and relates to the technical field of liquid crystal display modules. The display module is provided with a supporting base and a frame structure, wherein the frame structure forms an optical piece cavity of a module assembly, the module assembly is sequentially provided with a display panel assembly, an optical diaphragm, a light guide plate, a reflector plate and a back plate, the back plate is also provided with a light source assembly and a heat dissipation plate, the heat dissipation plate is arranged at the lower part of the back plate, the heat dissipation plate is provided with a T-CON plate, a COF assembly and an FFC (flexible flat cable), and the COF assembly connects the module assembly with the T-; the outside of light source subassembly is provided with the light source apron, and the upper portion and the light guide plate fixed connection of light source apron, the lower part and the heating panel fixed connection of light source apron, the upper portion setting of light source apron are all provided with between display panel subassembly, light guide plate and the light source apron and hold the cavity at the inboard of display panel subassembly. According to the invention, the effect of double-sided display is realized by using two independent liquid crystal modules and further by using the middle connecting structure.

Description

Symmetrical double-sided screen liquid crystal module structure

Technical Field

The embodiment of the invention relates to the technical field of liquid crystal display modules, in particular to a symmetrical double-sided screen liquid crystal module structure.

Background

With the continuous maturity of the liquid crystal display industry, each liquid crystal display manufacturer continuously innovates own product, guarantees the performance of product to satisfy different customer demands. The backlight module of the liquid crystal display is divided into different forms according to different light incidence modes, but no matter which backlight module is adopted, only single-sided display can be realized; along with the development of the liquid crystal display device, the liquid crystal display device is more and more applied to places such as markets, exhibitions and the like to transmit messages, and in order to enable audiences in the front direction and the back direction of the display device to receive the display messages, the existing mode is to simply combine two single-sided display devices, so that the liquid crystal display device not only occupies a larger space, but also causes energy waste, and limits the use of double-sided screens. And current double-sided screen liquid crystal module, two-sided almost independent state of being shaded, the structure is complicated moreover, and whole module structure thickness is thicker, and the module structure needs the production of die sinking alone to increase the manufacturing cost of enterprise.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides a symmetrical double-sided screen liquid crystal module structure.

In order to solve the technical problem, the invention is provided with a supporting base and a frame structure, wherein the frame structure forms an optical piece cavity of a module assembly, the module assembly is sequentially provided with a display panel assembly, an optical diaphragm, a light guide plate, a reflector plate and a back plate, the back plate is also provided with a light source assembly and a heat dissipation plate, the heat dissipation plate is arranged at the lower part of the back plate, the heat dissipation plate is provided with a T-CON plate, a COF assembly and an FFC (flexible flat cable), and the COF assembly connects the module assembly with the T-CON; the outer side of the light source component is provided with a light source cover plate, the light source cover plate is an open plate-shaped structure provided with an accommodating space, the upper portion of the light source cover plate is fixedly connected with the light guide plate, the lower portion of the light source cover plate is fixedly connected with the heat dissipation plate, the upper portion of the light source cover plate is arranged on the inner side of the display panel component, and accommodating cavities are formed among the display panel component, the light guide plate and the light source cover plate.

Preferably, the backboard is of a convex plate-shaped structure, the backboard is arranged in the middle of the module structure and serves as a basic frame of the module structure, the module structure is of a symmetrical double-sided screen module structure, the backboard serves as a symmetry axis, and the module structure is symmetrically arranged on two sides of the backboard, so that double-sided synchronous display is achieved.

Preferably, a set of independent module components are arranged on two sides of the back plate respectively, the frame structure is arranged on the periphery of the outer side of each module component and provided with a first U-shaped profile structure and a second profile structure, the first U-shaped profile structure is arranged on the outer side of the second profile structure, and the first U-shaped profile structure is arranged on the outermost side of each module component.

Preferably, the first U-shaped profile structure and the second U-shaped profile structure are both strip-shaped structures, the first U-shaped profile structure is a U-shaped profile structure with a U-shaped inner section, the two second profile structures arranged in front and at the back are both arranged on the inner side of the first U-shaped profile structure, and the outer sides of the second profile structures are provided with edge covering structures and extend outwards along the width direction; the second section bar structure outside sets up with the mutual parallel and level in the backplate outside, and the both sides and the upper portion of backplate all are provided with a second section bar structure, and the second section bar structure that the backplate upside set up is provided with bight plastic part with the position that the second section bar structure that both sides set up is connected, the structural mounting hole that is connected that cooperatees of being provided with a plurality of and backplate of second section bar.

Preferably, the light source subassembly sets up in the cavity that forms between backplate, heating panel and light source apron three, and the light source subassembly sets up along the length direction of display panel subassembly, and the light source subassembly that the backplate both sides set up staggers the setting in the cavity of both sides, and the light source subassembly setting is in the bottom of light guide plate.

Preferably, the light source component is an LED lamp bar, and a plurality of LED lamp beads are uniformly distributed on the LED lamp bar; the light source cover plate is arranged on the outer side of the LED light bar and is of a convex plate-shaped structure with the middle part protruding upwards.

Preferably, the display panel assembly is provided with a liquid crystal screen and a connecting piece, and the liquid crystal screen is connected with the COF through the connecting piece and further connected with the T-CON plate; the optical diaphragm is arranged on the inner side of the liquid crystal screen and connected with the light guide plate arranged on the inner side, and the reflecting sheet is arranged between the light guide plate and the back plate.

Preferably, a plurality of lightening holes are formed in the back plate, a plurality of tapping holes are formed in the periphery of the back plate and used as an assembly structure of the module structure, and the back plate is made of aluminum materials.

Preferably, the bottom periphery of module subassembly sets up the dress trim cover, and dress trim cover sets up in the bottom outside of display panel subassembly, the COF subassembly sets up in dress trim cover inboard, dress trim cover comprises the two parts that the structure is the same, and two dress trim cover's bottom is provided with square open structure, the backplate bottom passes square open structure from the top down, dress trim cover's both ends all are connected with first U type section bar structure joint, dress trim cover sets up and is connected with the support base in the bottom of two-sided screen.

Preferably, the supporting base is arranged at the bottom of the module assembly and connected with the backboard and the bottom of the T-CON board, and the module structure is provided with a hanging mounting hole and a vertical mounting hole.

Compared with the prior art, the invention has the following beneficial effects,

the invention has simple structure, and realizes the effect of double-sided display by arranging independent liquid crystal module structures on two sides and symmetrically designing the two sides through a middle connecting structure; the backboard arranged in the middle is matched with the frame structures arranged on the periphery to form the optical part cavity of the module, most of materials are light aluminum materials, the whole module structure is light in weight and thinner in thickness, and therefore larger packaging amount and loading amount can be obtained; by using profile members it is also possible to customize different appearances and colors.

In addition, the invention shares the backlight peripheral aluminum profile, can reduce the die sinking cost of new products, and the whole series of sizes can be universal; the double-sided backlight design can reduce the use of additional assembly parts of a single module, reduce the cost and reduce the manufacturing procedures.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the present invention in a partial cross-section taken along the line A-A in FIG. 2;

FIG. 4 is a schematic view of a module assembly according to the present invention;

FIG. 5 is a schematic view of the frame structure of the present invention in partial cross section;

FIG. 6 is a schematic view of a corner plastic part according to the present invention;

FIG. 7 is a schematic structural view of a decorative cover plate and a second profile structure according to the present invention;

FIG. 8 is a schematic view of the structure of FIG. 7 at B in accordance with the present invention;

FIG. 9 is a schematic structural diagram of a back plate according to the present invention.

The symbols in the figures indicate:

1. a support base; 2. a frame structure; 21. a first U-shaped profile structure; 22. a second profile structure; 23. corner plastic parts; 3. a module assembly; 31. a liquid crystal screen; 32. an optical film; 33. a light guide plate; 34. a reflective sheet; 4. a back plate; 41. a raised panel structure; 42. lightening holes; 43. tapping a tooth hole; a T-CON plate; a COF assembly; FFC flat cable; 8. a connecting member; 9. a heat dissipation plate; 10. a receiving cavity; an LED light bar; 12, LED lamp strip cover plates; 13. and (4) decorating a cover plate.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1-3, the present invention provides a symmetric double-sided liquid crystal module structure, which comprises a supporting base 1 and a frame structure 2, wherein the supporting base 1 is used for supporting the module structure, and the frame structure 2 forms an optical cavity of a module assembly 3; the middle part of module structure is provided with backplate 4, and backplate 4 is the vertical setting of protruding type platelike structure, and backplate 4 is as the holistic basic frame of module structure, and both sides respectively are provided with a set of independent module subassembly 3 around, and module subassembly 3 uses backplate 4 to set up in 4 both sides of backplate as symmetry axis symmetry to the whole two-sided screen module structure of formula that is symmetrical of module structure realizes the effect of two-sided synchronous display.

As shown in fig. 4, in this embodiment, the module assembly 3 is sequentially provided with a liquid crystal panel 31, an optical film 32, a light guide plate 33, and a reflector 34, a back panel 4 shared by the module assemblies 3 on two sides is disposed on the inner side of the reflector 34, the width of the liquid crystal panel 31 is smaller than that of the back panel 4, the top end of the liquid crystal panel 31 is disposed near the top of the back panel 4, and a certain distance is left as an installation space of the frame structure 2; the bottom of the liquid crystal screen 31 is provided with a T-CON plate 5, a COF assembly 6 and an FFC flat cable 7, the COF assembly 6 connects the module assembly 3 with the T-CON plate 5, and the liquid crystal screen 31 is connected with the COF assembly 6 through a connecting piece 8 and further connected with the T-CON plate 5; the two sides of the lower part of the back plate 4 are fixedly connected with heat dissipation plates 9, and the T-CON plate 5, the COF assembly 6 and the FFC flat cable 7 are all arranged on the outer sides of the heat dissipation plates 9. A gap is arranged between the liquid crystal screen 31 and the optical diaphragm 32, the width of the optical diaphragm 32 is smaller than that of the liquid crystal screen 31, the optical diaphragm 32 is fixedly connected with a light guide plate 33 arranged on the inner side, a reflector plate 34 is arranged between the light guide plate 33 and the back plate 4, the inner side of the reflector plate 34 is connected with the back plate 4, the outer side of the reflector plate 34 is connected with the light guide plate 33, and the reflector plate 34 is used for reflecting light rays incident from the light source assembly.

In this embodiment, the top of the heat dissipation plate 9 is provided with a protruding plate structure extending to the outside, the protruding plate structure at the top of the heat dissipation plate 9 is disposed at the bottom of the light guide plate 33 and forms a certain accommodation space with the bottom of the light guide plate 33, the light source assembly is disposed in the accommodation cavity 10 formed among the back plate 4, the top of the heat dissipation plate 9 and the bottom of the light guide plate 33, and the light source assembly is disposed along the length direction of the light guide plate 33. The light source subassembly that adopts in this embodiment is LED lamp strip 11, and LED lamp strip 11's side is in the same place with 4 fixed connection on the backplate, and evenly distributed has a plurality of LED lamp pearls on LED lamp strip 11, and the setting of staggering of LED lamp strip 11 that 4 both sides of backplate set up is in the cavity 10 that holds of both sides, and LED lamp strip 11's the outside is provided with LED lamp strip apron.

Furthermore, as shown in fig. 4, in the present embodiment, the LED light bar cover 12 is an open convex plate-shaped structure with a convex portion protruding outward and an accommodating space, the LED light bar cover 12 is disposed on the outer side of the upper portion of the heat dissipation plate 9, and the convex plate structure on the top of the heat dissipation plate 9 is disposed on the inner side of the LED light bar cover 12; the upper portion of the LED light bar cover plate 12 is disposed between the liquid crystal panel 31 and the light guide plate 33, and the lower portion of the LED light bar cover plate 12 is fixedly connected to the heat dissipation plate 9.

In this embodiment, the supporting base 1 is disposed at the bottom of the module assembly 3 and connected to the back plate 4 and the bottom of the T-CON plate 5, and the plurality of COF assemblies 6 disposed outside the heat dissipation plate 9 are uniformly arranged and connected to the FFC bus 7 through the connectors 8, so that the manufacturing cost is lower, the manufacturing process is reduced, the high integration of the panel is improved, and the panel is thinner.

In this embodiment, as shown in fig. 5 and 6, the frame structure 2 is disposed at the outer periphery of the module assembly 3, the frame structure 2 is provided with a first U-shaped profile structure 21 and a second profile structure 22, the first U-shaped profile structure 21 is disposed at the outer side of the second profile structure 22, and the first U-shaped profile structure 21 is disposed at the outermost side of the module assembly 3 for protecting the module assembly 3. The first U-shaped section structure 21 is an integral structure formed by three sections of strip-shaped structures with U-shaped inner sections, the three sections of strip-shaped structures form the U-shaped section structure, and the second section structures 22 arranged on two sides of the back plate 4 are arranged on the inner side of the first U-shaped section structure 21. The outside that second section bar structure 22 is rectangular shape structure and second section bar structure 22 is provided with the structure of borduring, the structure of borduring that second section bar structure 22 set up outwards extends along the direction of its width, the outside of the second section bar structure 22 that both sides set up all sets up with 4 outside tip parallel and level of backplate, the left and right sides and the upper end of backplate 4 all are connected with a second section bar structure 22, and the second section bar structure 22 that 4 upper end of backplate set up and the hookup location of the second section bar structure 22 that both sides set up are connected with bight plastic part 23, play the effect of protection.

Furthermore, in the present embodiment, the second profile structure 22 is provided with a plurality of mounting holes for matching and connecting with the back plate 4, so as to fixedly connect the second profile structure 22 with the back plate 4.

In this embodiment, as shown in fig. 7 and 8, a decorative cover plate 13 is disposed on the periphery of the bottom of the module assembly 3, the decorative cover plate 13 is disposed on the outer side of the bottom of the liquid crystal panel 31, the COF assembly 6 and the heat dissipation plate 9 are both disposed on the inner side of the decorative cover plate 13, and the bottom end of the frame structure 2 is also disposed in the decorative cover plate 13; the trim cover 13 is formed by two parts with the same structure, the top is provided with an opening structure, the middle parts of the bottoms of the two trim cover 13 are provided with square opening structures, and the bottom ends of the back plate 4 and the heat dissipation plate 9 penetrate through the square opening structures from top to bottom. The both sides of 4 bottoms of backplate all are provided with the flange structure 41 of outside extension, and the bottom joint of first U-shaped section bar structure 21 is on the flange structure 41 of 4 bottom outside extensions of backplate to the outer end of first U-shaped section bar structure 21 is provided with the joint breach, and the both sides upper end of dress trim cover plate 13 all is connected with the joint breach joint on the first U type section bar structure 21, and later rethread screw reinforcement connects more firmly.

In this embodiment, as shown in fig. 9, the protruding portion on the back plate 4 is disposed at the bottom end of the back plate, and the bottom of the back plate 4 is connected to the supporting base 1; the back plate 4 is provided with a plurality of lightening holes 42, the lightening holes 42 are of square structures but not limited to square structures, the shape of the lightening holes 42 can be adjusted, and the lightening holes 42 can be of round, diamond, trapezoid or other irregular opening structures, and the lightening holes 42 are used for lightening the weight of the back plate 4 and realizing light weight; and the periphery of backplate 4 all is seted up a plurality of tapping hole 43 not of uniform size, as the assembly structure of both sides backlight unit structure, and backplate 4 material is the aluminum product, further lightens the holistic weight of module, reduction in production cost moreover.

Furthermore, in the embodiment, the heat dissipation plate 9 and the frame structure 2 are made of aluminum, so that the heat dissipation plate is light and thin, the material is stable, the deformation is not easy to occur, the weight of the module structure can be reduced, and the production cost can be reduced.

In the embodiment, the back plate 4 is thinner and is about 2mm, the back plate 4 is matched with the frame structure 2 arranged at the periphery to form an optical part cavity of the module assemblies 3 at two sides, the upper edge fixes the liquid crystal screen through double-sided foam adhesive, and the outermost side uses the first U-shaped section bar structure 21 to protect the structures at the front side and the back side, so that the thickness of the double-sided display thickness part of the whole display module can be easily within 20mm, the thinning is realized, and the larger packaging capacity and loading capacity are obtained; overall structure is simple, and the peripheral aluminium alloy that is shaded in the community reduces the die sinking expense of new product, and full series size can be general, and the design is shaded to two-sided, the additional equipment spare part of reducible use independent module in addition practices thrift the cost.

Furthermore, in this implementation, the module structure is provided with hanging mounting hole and vertical mounting hole, and the advertisement machine that can hang or vertical indoor two-sided demonstration can be realized to two-sided screen as required is applicable to many occasions.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship as shown in the drawings, which is used for convenience in describing and simplifying the description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A symmetrical double-sided screen liquid crystal module structure is provided with a supporting base and a frame structure, wherein the frame structure forms an optical part cavity of a module assembly, and the symmetrical double-sided screen liquid crystal module structure is characterized in that the module assembly is sequentially provided with a display panel assembly, an optical diaphragm, a light guide plate, a reflector plate and a back plate, the back plate is also provided with a light source assembly and a heat dissipation plate, the heat dissipation plate is arranged at the lower part of the back plate, the heat dissipation plate is provided with a T-CON plate, a COF assembly and an FFC (flexible flat cable), and the COF assembly connects the module assembly with the T-; the outer side of the light source assembly is provided with a light source cover plate, the light source cover plate is an open plate-shaped structure provided with an accommodating space, the upper portion of the light source cover plate is fixedly connected with the light guide plate, the lower portion of the light source cover plate is fixedly connected with the heat dissipation plate, the upper portion of the light source cover plate is arranged on the inner side of the display panel assembly, and accommodating cavities are formed among the display panel assembly, the light guide plate and the light source cover plate.

2. The symmetrical double-sided screen liquid crystal module structure as claimed in claim 1, wherein the back plate is a convex plate structure, the back plate is disposed in the middle of the module structure and serves as a base frame of the module structure, the module structure is a symmetrical double-sided screen module structure, the module structure is symmetrically disposed on two sides of the back plate with the back plate as a symmetry axis, and therefore double-sided synchronous display is achieved.

3. The symmetrical double-sided screen liquid crystal module structure as claimed in claim 2, wherein a set of independent module components are disposed on each side of the back plate, the frame structure is disposed on the outer periphery of the module components, the frame structure is provided with a first U-shaped profile structure and a second profile structure, the first U-shaped profile structure is disposed on the outer side of the second profile structure, and the first U-shaped profile structure is disposed on the outermost side of the module components.

4. The symmetrical double-sided screen liquid crystal module structure as claimed in claim 3, wherein the first U-shaped profile structure and the second U-shaped profile structure are both strip-shaped structures, the first U-shaped profile structure is a U-shaped profile structure with a U-shaped inner cross section, two second profile structures arranged in front and back are arranged at the inner side of the first U-shaped profile structure, and the outer sides of the second profile structures are provided with edge covering structures and extend outwards along the width direction; the utility model discloses a mounting hole, including backplate, second section bar structure, both sides of backplate and upper portion, the second section bar structure outside with the mutual parallel and level setting in the backplate outside, the both sides and the upper portion of backplate all are provided with a second section bar structure, just the second section bar structure that the backplate upside set up is provided with bight plastic part with the position that the second section bar structure that both sides set up is connected, the structural a plurality of that is provided with of second section bar with the mounting hole that the backplate cooperateed and connects.

5. The symmetrical double-sided liquid crystal module structure as claimed in claim 2, wherein the light source assembly is disposed in a cavity formed among the back plate, the heat dissipation plate and the light source cover plate, the light source assembly is disposed along the length direction of the display panel assembly, the light source assemblies disposed on two sides of the back plate are disposed in the cavities on two sides in a staggered manner, and the light source assembly is disposed at the bottom of the light guide plate.

6. The symmetrical double-sided screen liquid crystal module structure of claim 5, wherein the light source assembly is an LED light bar, and a plurality of LED light beads are uniformly distributed on the LED light bar; the light source cover plate is arranged on the outer side of the LED light bar and is of a convex plate-shaped structure with the middle part protruding upwards.

7. The symmetrical double-sided screen liquid crystal module structure of claim 2, wherein the display panel assembly has a liquid crystal screen and a connector, the liquid crystal screen is connected to the COF through the connector and further connected to the T-CON board; the optical diaphragm is arranged on the inner side of the liquid crystal display and connected with a light guide plate arranged on the inner side, and a reflecting sheet is arranged between the light guide plate and the back plate.

8. The symmetrical double-sided screen liquid crystal module structure as claimed in claim 2, wherein the back plate has a plurality of lightening holes and a plurality of tapping holes around the back plate for assembling the module structure, and the back plate is made of aluminum.

9. The symmetrical double-sided screen liquid crystal module structure as claimed in claim 3, wherein a decorative cover plate is arranged on the periphery of the bottom of the module assembly, the decorative cover plate is arranged on the outer side of the bottom of the display panel assembly, the COF assembly is arranged on the inner side of the decorative cover plate, the decorative cover plate is composed of two parts with the same structure, two decorative cover plates are arranged on the bottom of the decorative cover plate and provided with square opening structures, the bottom end of the back plate penetrates through the square opening structures from top to bottom, two ends of the decorative cover plates are connected with the first U-shaped profile structure in a clamping manner, and the decorative cover plates are arranged on the bottom of the double-sided screen and connected with the supporting base.

10. The symmetrical double-sided screen liquid crystal module structure of any one of claims 1 to 9, wherein the supporting base is disposed at the bottom of the module assembly and connected to the back plate and the bottom of the T-CON plate, and the module structure is provided with hanging and vertical mounting holes.