CN216956586U

CN216956586U - Assembled touch display screen

Info

Publication number: CN216956586U
Application number: CN202220840128.9U
Authority: CN
Inventors: 王绪凯
Original assignee: Jiexiantong Computer System Shenzhen Co ltd
Current assignee: Jiexiantong Computer System Shenzhen Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-12
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses an assembled touch display screen, which comprises a liquid crystal panel, a backlight module arranged behind the liquid crystal panel, a module rear shell arranged behind the backlight module, and a frame module detachably connected with the module rear shell, wherein the frame module is used for fixing the module rear shell, the backlight module and the liquid crystal panel respectively. The display screen shell is assembled by adopting the module rear shell and the frame module which are arranged in a split mode and assembling the display screen shell by sectional materials, so that the die opening manufacturing process of a die for integrally forming the module rear shell and the middle frame is omitted, the production cost of a product is reduced, the die opening period of the product is shortened, and the product is promoted to be quickly marketed.

Description

Assembled touch display screen

[ technical field ] A

The utility model relates to the technical field of display equipment, in particular to an assembled touch display screen.

[ background ] A method for producing a semiconductor device

With the development of the current technology, the application of large-size displays is more and more widespread. The back plate and the middle frame of the existing large-size display are designed to be integrally formed, the cost of a mold for opening the shell is very high, the mold opening period is long, and the large-size shell module requires a large mold opening cost for enterprises.

[ summary of the utility model ]

The utility model aims to provide a touch display screen with a spliced back plate and a split middle frame, and solves the problems of high mold opening cost and long mold opening period of the shell of the conventional large-size display screen.

The technical scheme provided by the utility model is as follows: the utility model provides an assemble touch-control display screen, is in including liquid crystal display panel and setting the backlight unit at liquid crystal display panel rear, it still including setting up the module backshell at backlight unit rear, and with the frame module of connection can be dismantled to the module backshell, the frame module is used for fixing respectively the module backshell backlight unit and liquid crystal display panel.

The assembled touch display screen comprises a frame fixing component and a middle frame fixing component, wherein the frame fixing component is used for connecting and fixing the liquid crystal panel and the edge of the module rear shell, the middle frame fixing component is fixed on the module rear shell and used for clamping and fixing the edge of the backlight module, and the frame fixing component is positioned on the outer side of the middle frame fixing component.

The assembled touch display screen comprises a first outer frame base frame fixed on the edge of the liquid crystal panel and a second outer frame base frame fixed on the edge of the module rear shell and fixedly connected with the first outer frame base frame corresponding to the edge.

The assembled touch display screen is characterized in that the middle frame fixing component is provided with a groove for clamping the edge of the backlight module, the edge of the backlight module and the inner wall of the groove are provided with a plurality of hole sites which are correspondingly arranged, and the hole sites are connected with connecting lugs for fixing the middle frame fixing component and the backlight module in a penetrating manner.

The spliced touch display screen comprises a middle frame fixing component, a connecting lug, a backlight module and a middle frame fixing component, wherein the connecting lug is L-shaped and comprises a first edge and a second edge which are perpendicular to each other, the first edge is sequentially connected with hole sites of the inner wall and the backlight module in a penetrating mode, and the second edge is attached and fixed to one surface, close to the liquid crystal panel, of the middle frame fixing component.

The spliced touch display screen comprises a connecting lug and a backlight module, wherein the connecting lug is U-shaped and comprises a first straight edge, a third straight edge and a second straight edge, the first straight edge and the third straight edge are oppositely arranged, the second straight edge is connected with the first straight edge and the third straight edge, the first straight edge is sequentially connected with hole positions of the inner wall and the backlight module in a penetrating mode, the second straight edge is fixedly attached to one surface, close to the liquid crystal panel, of the middle frame fixing component, and the third straight edge is fixedly attached to one surface, close to the outer frame fixing component, of the middle frame fixing component.

According to the assembled touch display screen, the buffer foam is arranged between the middle frame fixing component and the liquid crystal panel.

According to the assembled touch display screen, the second outer frame base frame is provided with the inner cavity, and the inner cavity is provided with the touch circuit panel.

According to the assembled touch display screen, the signal through hole is formed between the touch circuit panel and the liquid crystal panel.

According to the assembled touch display screen, the second outer frame base frame is further provided with a bending part which is bent and attached to the edge of the liquid crystal panel, and the bending part is provided with a signal refraction surface which corresponds to the touch circuit panel.

Compared with the prior art, the utility model has the following advantages:

1. the display screen shell is assembled by adopting the module rear shell and the frame module which are arranged in a split mode, and the mode of assembling the display screen shell by sectional materials is adopted, so that the die opening manufacturing process of a die for integrally forming the module rear shell and the middle frame is omitted, the production cost of a product is reduced, the die opening period of the product is shortened, and the product is promoted to be rapidly sold on the market.

2. The utility model adopts the structural design of refracting infrared signals, realizes the touch function, simultaneously saves the use of infrared strips, reduces the allowable front width of the section bar and optimizes the design of appearance.

[ description of the drawings ]

Fig. 1 is a cross-sectional view of the edge of a display screen of the present invention.

Fig. 2 is a cross-sectional view of the edge of a display screen according to a first embodiment of the present invention.

Fig. 3 is a cross-sectional view of the edge of a display screen according to a second embodiment of the present invention.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.

Example 1: referring to fig. 1 to 2, the present embodiment provides an assembled touch display screen, including a liquid crystal panel 1, a backlight module 2 disposed behind the liquid crystal panel 1, a module rear housing 3 disposed behind the backlight module 2, and a frame module 4 detachably connected to the module rear housing 3, where the frame module 4 is used to fix the module rear housing 3, the backlight module 2, and the liquid crystal panel 1, respectively. The module backshell 3 uses five metals and aluminum plate preparation, and frame module 4 is assembled by the comparatively simple section bar that just has certain intensity of structure and is made up, has avoided the die sinking problem of integrated into one piece structure.

The frame module 4 comprises an outer frame fixing component 41 for connecting and fixing the edges of the liquid crystal panel 1 and the module rear shell 3, and a middle frame fixing component 42 fixed on the module rear shell 3 and clamping and fixing the edge of the backlight module 2, wherein the outer frame fixing component 41 is positioned on the outer side of the middle frame fixing component 42. The middle frame fixing component 42 is installed before the outer frame fixing component 41, so that the backlight module 2 can be fixed with the module rear shell 3 firstly, and the assembly of the display screen is facilitated.

The bezel fixing member 41 includes a first bezel frame 411 fixed to an edge of the liquid crystal panel 1 and a second bezel frame 412 fixed to an edge of the module rear case 3 and fixedly coupled to the first bezel frame 411 of the corresponding edge. The first outer frame base frame 411 is firstly adhered to the full-laminated glass of the liquid crystal panel 1, and then is connected with the second outer frame base frame 412 by screws to form an outer frame fixing component, which is also convenient for display assembly.

The fixed subassembly 42 of center is equipped with the centre gripping the recess 421 at backlight unit 2 edge, backlight unit 2 edge with the inner wall 4211 of recess 421 is equipped with a plurality of hole sites that correspond the setting, the hole site has worn to connect fixedly the fixed subassembly 42 of center and backlight unit 2's connection hangers 422, the width of recess 421 is greater than backlight unit 2's thickness to in backlight unit 2's edge stretched into recess 421.

The connecting hanging lugs 422 are L-shaped, the connecting hanging lugs 422 comprise a first edge 4221 and a second edge 4222 which are perpendicular to each other, the first edge 4221 sequentially penetrates through hole positions of the inner wall 4211 and the backlight module 2, the second edge 4222 is attached and fixed to one surface, close to the liquid crystal panel 1, of the middle frame fixing component 42, and the backlight module 2 can be effectively prevented from moving and shaking due to the fact that the connecting hanging lugs 422 are arranged.

The middle frame fixing component 42 and the liquid crystal panel 1 are provided with buffering foam 424 therebetween to protect the liquid crystal panel 1 and prevent dust and water vapor from entering the space between the liquid crystal panel 1 and the backlight module 2.

The second housing base 412 is provided with an inner cavity 4121, the inner cavity 4121 is provided with a touch circuit panel 413, and the touch circuit panel 413 is provided with a touch PCBA and a signal receiving lamp which can emit infrared signals. A signal port 4122 is provided between the touch circuit panel 413 and the liquid crystal panel 1, so that the infrared signal emitted by the touch PCBA of the touch circuit panel 413 passes through and is emitted through the silk-screen TR ink area of the tempered glass of the liquid crystal panel 1. The second outer frame 412 is further provided with a bending part 4123 bending and adhering to the edge of the liquid crystal panel 1, the bending part 4123 is provided with a signal refraction surface 4124 corresponding to the touch circuit panel 413, and the infrared signal emitted through the liquid crystal panel 1 can be refracted to the signal refraction surface 4124 on the other side corresponding to the display screen for secondary refraction, so that the signal receiving lamp on the touch circuit panel 413 on the other side receives the infrared signal, and the touch function of the display screen is realized. The scheme omits the use of infrared strips, so that the width of the front profile can be extremely narrow, and the appearance effect is good.

The assembly steps of the display screen of the utility model are as follows: firstly, fixing middle frame fixing components 42 on two long sides of a display and a module rear shell 3 by screws, fixing electronic elements of a display screen on the module rear shell 3 to corresponding positions, then penetrating the two long sides of a backlight module 2 through grooves 421 of the two middle frame fixing components 42, then sleeving the grooves 421 of the middle frame fixing components 42 on the two short sides of the display into the two short sides of the backlight module 2, simultaneously fixing the middle frame fixing components 42 on the two short sides and the module rear shell 3 by screws, then fixing each middle frame fixing component 42 and each side of the backlight module by using a plurality of connecting lugs 422, and finally pasting buffering foam 424 on one side, opposite to the module rear shell 3, of each middle frame fixing component 42; the assembly method comprises the steps of adhering the first outer frame base frame 411 to each edge of the fully-adhered glass of the liquid crystal panel 1 through double-sided adhesive, fixing the second outer frame base frame 412 to the first outer frame base frame 411 of each edge through screws, fixing the second outer frame base frame 412 of each edge to each edge of the module rear shell 3 through screws, adhering the liquid crystal panel 1 to the buffer foam 424 and compressing the buffer foam 424, inserting the touch circuit panel 413 into the inner cavity 4121 of the second outer frame base frame 412 of each edge, and finally installing filling parts at four corners of the display screen, so that the assembly of the utility model is completed.

Example 2: referring to fig. 3, the difference between the first embodiment and the second embodiment is that the middle frame fixing assembly 42 is provided with a plurality of connecting lugs 422 with U-shaped cross sections, each connecting lug 422 includes a first straight edge 4223, a third straight edge 4225 and a second straight edge 4224, the first straight edge 4223, the third straight edge 4225 and the second straight edge 4223 are arranged oppositely, the first straight edge 4223 sequentially penetrates through the hole sites of the inner wall 4211 and the backlight module 2, the second straight edge 4224 is fixed to one surface of the middle frame fixing assembly 42 close to the liquid crystal panel 1 in an attaching manner, the third straight edge 4225 is fixed to one surface of the middle frame fixing assembly 42 close to the outer frame fixing assembly 41 in an attaching manner, and the connecting lugs 422 can effectively prevent the backlight module 2 from moving and shaking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an assemble touch-control display screen, includes liquid crystal display panel (1) and sets up backlight unit (2) at liquid crystal display panel (1) rear, its characterized in that: the backlight module is characterized by further comprising a module rear shell (3) arranged behind the backlight module (2), and a frame module (4) detachably connected with the module rear shell (3), wherein the frame module (4) is used for fixing the module rear shell (3), the backlight module (2) and the liquid crystal panel (1) respectively.

2. The assembled touch display screen of claim 1, wherein: the frame module (4) comprises an outer frame fixing component (41) for connecting and fixing the edges of the liquid crystal panel (1) and the module rear shell (3) and a middle frame fixing component (42) fixed on the module rear shell (3) and clamping and fixing the edge of the backlight module (2), wherein the outer frame fixing component (41) is positioned on the outer side of the middle frame fixing component (42).

3. The assembled touch display screen of claim 2, wherein: the outer frame fixing component (41) comprises a first outer frame base frame (411) fixed on the edge of the liquid crystal panel (1) and a second outer frame base frame (412) fixed on the edge of the module rear shell (3) and fixedly connected with the first outer frame base frame (411) corresponding to the edge.

4. The assembled touch display screen of claim 2, wherein: the fixed subassembly of center (42) is equipped with the centre gripping recess (421) at backlight unit (2) edge, backlight unit (2) edge with inner wall (4211) of recess (421) are equipped with a plurality of hole sites that correspond the setting, the hole site has worn to connect fixedly connect hangers (422) of fixed subassembly of center (42) and backlight unit (2).

5. The assembled touch display screen of claim 4, wherein: the connecting hanging lug (422) is L-shaped, the connecting hanging lug (422) comprises a first edge (4221) and a second edge (4222) which are perpendicular to each other, the first edge (4221) is sequentially connected with hole sites of the inner wall (4211) and the backlight module (2) in a penetrating mode, and the second edge (4222) is attached and fixed to one surface, close to the liquid crystal panel (1), of the middle frame fixing component (42).

6. The assembled touch display screen of claim 4, wherein: the connecting hanging lug (422) is U-shaped, the connecting hanging lug (422) comprises a first straight edge (4223) and a third straight edge (4225) which are oppositely arranged, and a second straight edge (4224) which is used for connecting the first straight edge (4223) with the third straight edge (4225), the first straight edge (4223) is sequentially connected with hole positions of the inner wall (4211) and the backlight module (2) in a penetrating mode, the second straight edge (4224) is fixedly attached to one surface, close to the liquid crystal panel (1), of the middle frame fixing component (42), and the third straight edge (4225) is fixedly attached to one surface, close to the outer frame fixing component (41), of the middle frame fixing component (42).

7. The assembled touch display screen of claim 4, wherein: a buffer foam (424) is arranged between the middle frame fixing component (42) and the liquid crystal panel (1).

8. The assembled touch display screen of claim 3, wherein: an inner cavity (4121) is formed in the second outer frame base frame (412), and a touch circuit panel (413) is arranged in the inner cavity (4121).

9. The assembled touch display screen of claim 8, wherein: and a signal through opening (4122) is arranged between the touch circuit panel (413) and the liquid crystal panel (1).

10. The assembled touch display screen of claim 8, wherein: the second outer frame base frame (412) is further provided with a bending part (4123) which is bent and attached to the edge of the liquid crystal panel (1), and a signal refraction surface (4124) which corresponds to the touch circuit panel (413) is arranged on the bending part (4123).