CN213122517U

CN213122517U - Interactive display screen

Info

Publication number: CN213122517U
Application number: CN202022452098.8U
Authority: CN
Inventors: 刘泽江
Original assignee: Suzhou Fanpu Education Technology Co ltd
Current assignee: Suzhou Fanpu Education Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-05-04
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses an interactive display screen, which comprises a transparent panel, a touch control film and a back plate, wherein the touch control film is arranged between the transparent panel and the back plate and is pasted on the inner surface of the transparent panel close to the back plate; a liquid crystal glass is arranged between the touch control film and the back plate, at least two pressing strips are arranged between the edge of the liquid crystal glass and the back plate, one side of each pressing strip, which is far away from the liquid crystal glass, is connected with the transparent panel on which the touch control film is pasted, the other side of each pressing strip is in surface contact with the edge of the liquid crystal glass, and the liquid crystal glass is independently arranged on the transparent panel; one end of the mounting strip, which is close to the back plate, is provided with a first flanging part which is bent towards one side far away from the light guide plate, so that the cross section of the mounting strip is in an L shape, and the first flanging part is in surface contact with the back plate. The utility model discloses both can improve productivity and yields, can attenuate holistic thickness of device again greatly, improve and show definition and touch-control precision.

Description

Interactive display screen

Technical Field

The utility model relates to an interactive display screen belongs to electronic equipment technical field.

Background

With the continuous development of economy and display technology, people have higher and higher requirements on convenience of daily office work and life, and in most fields, materials such as images or files are required to be displayed. In the conventional display technology, a single projection device is generally used to project an image or a document onto a curtain, and a processor is used to operate the image or the document.

In the existing display technology, in the process of displaying an image or a file, a display device composed of a projection device, a curtain and a processor has the problem of low interactivity due to a single display mode, so that the problem of poor experience effect of a user is caused, and the problem of reduction of the enthusiasm of user operation is caused.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an interactive type display screen, this interactive type display screen both can improve productivity and yields, can attenuate holistic thickness of device again greatly, improve and show definition and touch-control precision.

In order to solve the technical problem, the utility model discloses a technical scheme is: an interactive display screen comprises a transparent panel, a touch control film and a back plate, wherein the touch control film is arranged between the transparent panel and the back plate and is pasted on the inner surface of the transparent panel close to the back plate;

a liquid crystal glass is arranged between the touch control film and the back plate, at least two pressing strips are arranged between the edge of the liquid crystal glass and the back plate, one side of each pressing strip, which is far away from the liquid crystal glass, is connected with the transparent panel on which the touch control film is pasted, the other side of each pressing strip is in surface contact with the edge of the liquid crystal glass, and the liquid crystal glass is independently arranged on the transparent panel;

a plurality of fixed blocks which are arranged at intervals are arranged between one side of the pressing strip, which is far away from the liquid crystal glass, and the transparent panel, one surface of each fixed block is arranged on the transparent panel, and the other surface of each fixed block is connected with the pressing strip through a screw;

the back plate is sequentially overlapped with reflecting paper, the light guide plate and the light-equalizing film between the back plate and the liquid crystal glass, mounting strips are respectively arranged on the back plate and the two sides of the light guide plate, and a lamp strip is respectively arranged on the surfaces of the two mounting strips, which are opposite to the side end face of the light guide plate, so that light of the lamp strip is emitted into the light guide plate;

the transparent panel and the back plate are respectively arranged on a frame, a plurality of supporting blocks which are arranged at intervals are arranged between the lower end surface of the liquid crystal glass and the frame, and the upper end surface and the lower end surface of each supporting block are respectively in pressing contact with the lower end surface of the liquid crystal glass and the upper end surface of the frame positioned below the liquid crystal glass;

one end of the mounting strip, which is close to the back plate, is provided with a first flanging part which is bent towards one side far away from the light guide plate, so that the cross section of the mounting strip is in an L shape, and the first flanging part is in surface contact with the back plate.

The further improved scheme in the technical scheme is as follows:

1. in the scheme, 3-12 supporting blocks are arranged at equal intervals.

2. In the above scheme, the supporting block is a plastic supporting block or a rubber supporting block.

3. In the above scheme, the first flanging part on the mounting strip is fixedly connected with the back plate.

4. In the above scheme, the length of the first flanging part is the same as that of the mounting bar.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses interactive display screen, it assembles liquid crystal glazing, touch-control membrane, panel into independent module through the layering, realizes showing and touch-control function, and simple easy the realization of process flow not only can improve productivity and yields, but also can the holistic thickness of greatly attenuate device, improve and show definition and touch-control precision; furthermore, through the independently arranged light source structure, the structure is light and thin and simple, the assembly is convenient, the process requirement is low, the device can be directly installed behind the liquid crystal glass in a close-up mode, and the thickness of the device is further reduced.

2. The utility model discloses interactive display screen, its liquid crystal glazing's lower terminal surface with be provided with a plurality of interval arrangement's supporting shoe between the frame, the upper and lower two terminal surfaces of supporting shoe respectively with liquid crystal glazing's lower terminal surface, lie in the upper end face of the frame of liquid crystal glazing below and support liquid crystal glazing through the frame, both can reduce the heavy burden of layering, have and can guarantee precision and stability to liquid crystal display panel positioning to guarantee device definition and the uniformity of touch-control precision in the long-time use of device; in addition, one end of the mounting strip, which is close to the back plate, is provided with a first flanging part which is bent towards one side far away from the light guide plate, so that the cross section of the mounting strip is in an L shape, the first flanging part is in surface contact with the back plate, and the arrangement of the first flanging part can continuously and quickly transfer the heat of the lamp strip to the back plate for heat dissipation, thereby avoiding the influence on the performance of other devices due to unsmooth heat dissipation, saving the cost, thinning the thickness of the device and optimizing the performance of the product.

Drawings

FIG. 1 is a schematic structural diagram of an interactive display screen of the present invention;

FIG. 2 is an enlarged cross-sectional view of the interactive display screen of the present invention;

fig. 3 is a partial cross-sectional view of the fixing block and the pressing bar structure in the interactive display screen of the present invention.

In the above drawings: 1. a transparent panel; 2. a touch film; 3. liquid crystal glass; 4. a back plate; 5. layering; 6. a fixed block; 7. a screw; 8. a frame; 9. a support block; 12. a reflective paper; 13. a light guide plate; 14. a light homogenizing film; 15. mounting a bar; 151. a first burring; 16. a light strip.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: an interactive display screen comprises a transparent panel 1, a touch control film 2 and a back plate 4, wherein the touch control film 2 is arranged between the transparent panel 1 and the back plate 4 and is pasted on the inner surface of the transparent panel 1 close to the back plate 4;

a liquid crystal glass 3 is arranged between the touch film 2 and the back plate 4, at least two pressing strips 5 are arranged between the edge of the liquid crystal glass 3 and the back plate 4, one side of each pressing strip 5, which is far away from the liquid crystal glass 3, is connected with the transparent panel 1 on which the touch film 2 is pasted, the other side of each pressing strip 5 is in surface contact with the edge of the liquid crystal glass 3, and the liquid crystal glass 3 is independently arranged on the transparent panel 1;

a plurality of fixing blocks 6 which are arranged at intervals are arranged between one side of the pressing strip 5, which is far away from the liquid crystal glass 3, and the transparent panel 1, one surface of each fixing block 6 is arranged on the transparent panel 1, and the other surface of each fixing block 6 is connected with the pressing strip 5 through a screw 7;

the back plate 4 and the liquid crystal glass 3 are sequentially overlapped with a piece of reflection paper 12, a light guide plate 13 and a light homogenizing film 14, the back plate 4 and the two sides of the light guide plate 13 are respectively provided with a mounting strip 15, and the surfaces of the two mounting strips 15, which are opposite to the side end face of the light guide plate 8, are respectively provided with a light strip 16, so that light of the light strip 16 enters the light guide plate 13;

the transparent panel 1 and the back plate 4 are respectively arranged on a frame 8, a plurality of supporting blocks 9 which are arranged at intervals are arranged between the lower end surface of the liquid crystal glass 3 and the frame 8, and the upper end surface and the lower end surface of each supporting block 9 are respectively in contact with the lower end surface of the liquid crystal glass 3 and the upper end surface of the frame 8 positioned below the liquid crystal glass 3 in a pressing manner;

one end of the mounting strip 15 close to the back plate 4 is provided with a first flanging part 151 bent towards the side far away from the light guide plate 13, so that the cross section of the mounting strip 15 is in an L shape, and the first flanging part 151 is in surface contact with the back plate 4.

8 supporting blocks 9 are arranged at equal intervals; the supporting block 9 is a plastic supporting block; the first flanging part 151 of the mounting bar 15 is fixedly connected with the back plate 4.

Example 2: an interactive display screen comprises a transparent panel 1, a touch control film 2 and a back plate 4, wherein the touch control film 2 is arranged between the transparent panel 1 and the back plate 4 and is pasted on the inner surface of the transparent panel 1 close to the back plate 4;

6 supporting blocks 9 are arranged at equal intervals; the supporting block 9 is a rubber supporting block; the length of the first burring 151 is the same as the length of the mounting bar 15.

By adopting the interactive display screen, the liquid crystal glass, the touch film and the panel are assembled into an independent module through the pressing strips, so that the display and touch functions are realized, the process flow is simple and easy to realize, the productivity and the yield can be improved, the integral thickness of the device can be greatly reduced, and the display definition and the touch precision can be improved;

furthermore, the independently arranged light source structure is light, thin and simple in structure, convenient to assemble and low in process requirement, and can be directly installed behind the liquid crystal glass in a close manner to further reduce the thickness of the device;

in addition, the liquid crystal glass is supported by the frame, so that the load of the pressing strip can be reduced, and the assembly positioning precision and stability of the liquid crystal panel can be ensured, so that the consistency of the device definition and the touch precision in the long-time use process of the device is ensured;

in addition, the arrangement of the first flanging part can continuously and quickly transfer the heat of the lamp strip to the back plate for heat dissipation, so that the influence on the performance of other devices due to poor heat dissipation is avoided, the cost is saved, the thickness of the device can be reduced, and the performance of the product is optimized.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. An interactive display screen, its characterized in that: the touch screen comprises a transparent panel (1), a touch film (2) and a back plate (4), wherein the touch film (2) is arranged between the transparent panel (1) and the back plate (4) and is pasted on the inner surface, close to the back plate (4), of the transparent panel (1);

a piece of liquid crystal glass (3) is arranged between the touch film (2) and the back plate (4), at least two pressing strips (5) are arranged between the edge of the liquid crystal glass (3) and the back plate (4), one side of each pressing strip (5) far away from the liquid crystal glass (3) is connected with the transparent panel (1) pasted with the touch film (2), the other side of each pressing strip (5) is in surface contact with the edge of the liquid crystal glass (3), and the liquid crystal glass (3) is independently installed on the transparent panel (1);

a plurality of fixing blocks (6) which are arranged at intervals are arranged between one side of the pressing strip (5) far away from the liquid crystal glass (3) and the transparent panel (1), one surface of each fixing block (6) is arranged on the transparent panel (1), and the other surface of each fixing block (6) is connected with the pressing strip (5) through a screw (7);

the backlight module is characterized in that reflection paper (12), a light guide plate (13) and a light-equalizing film (14) are sequentially overlapped on the back plate (4) and positioned between the back plate (4) and the liquid crystal glass (3), mounting strips (15) are respectively arranged on the back plate (4) and positioned on two sides of the light guide plate (13), and a lamp strip (16) is respectively arranged on the surfaces of the two mounting strips (15) opposite to the side end face of the light guide plate (13) so that light of the lamp strip (16) is emitted into the light guide plate (13);

the transparent panel (1) and the back plate (4) are respectively arranged on a frame (8), a plurality of supporting blocks (9) which are arranged at intervals are arranged between the lower end surface of the liquid crystal glass (3) and the frame (8), and the upper end surface and the lower end surface of each supporting block (9) are respectively in pressing contact with the lower end surface of the liquid crystal glass (3) and the upper end surface of the frame (8) positioned below the liquid crystal glass (3);

one end of the mounting strip (15) close to the back plate (4) is provided with a first flanging part (151) which is bent towards one side far away from the light guide plate (13), so that the cross section of the mounting strip (15) is L-shaped, and the first flanging part (151) is in surface contact with the back plate (4).

2. An interactive display screen as claimed in claim 1, wherein: 3-12 the supporting blocks (9) are arranged at equal intervals.

3. An interactive display screen as claimed in claim 1, wherein: the supporting block (9) is a plastic supporting block or a rubber supporting block.

4. An interactive display screen as claimed in claim 1, wherein: and the first flanging part (151) on the mounting strip (15) is fixedly connected with the back plate (4).

5. An interactive display screen as claimed in claim 1, wherein: the length of the first flanging part (151) is the same as that of the mounting strip (15).