CN218974714U

CN218974714U - Waterproof touch screen

Info

Publication number: CN218974714U
Application number: CN202223185312.3U
Authority: CN
Inventors: 王新扬
Original assignee: Shenzhen Zhiding Times Technology Co ltd
Current assignee: Shenzhen Zhiding Times Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-05
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to the technical field of touch screens and discloses a waterproof touch screen, which comprises a shell, wherein four corners of the bottom end of the shell are connected with cards, the periphery of the inner side of the shell is respectively connected with a first laser emitting matrix, a second laser receiving matrix, a second laser emitting matrix and a first laser receiving matrix, the side walls of the periphery of high-transmittance glass are fixedly connected with rubber strips, and the first laser emitting matrix is connected with a display through the high-transmittance glass. The display comprises a reflecting plate, an LED lamp, a light guide plate, a uniform light diffusion film, a prism film, a first polaroid, a first electrode layer, a first alignment film, a liquid crystal layer, a second alignment film, a second electrode layer, a color filter film, a first polaroid and a glass plate. According to the utility model, the rubber strip is arranged at the joint of the shell and the high-permeability glass, so that water is prevented from entering the inside through the gap between the screen and the shell, and the problem that water easily flows into the inside from the gap at the corners of the screen when water exists on the screen is solved.

Description

Waterproof touch screen

Technical Field

The utility model relates to the technical field of touch screens, in particular to a waterproof touch screen.

Background

The touch screen is also called as a touch screen and a touch panel, is an induction type liquid crystal display device capable of receiving input signals such as a contact, when the touch screen contacts a graphic button on the screen, a touch feedback system on the screen can drive various connecting devices according to a preprogrammed program, can be used for replacing a mechanical button panel, and can produce a vivid video and audio effect by means of a liquid crystal display picture, and is a latest computer input device, is a simple, convenient and natural man-machine interaction mode, and endows a new face to multimedia, and in 1977, the touch screen technology is greatly improved, so that the touch screen technology is still widely used and rapidly developed until the present day.

The frame joint gap of traditional touch-sensitive screen can't seal completely, leads to leading to dust and water to fall into inside the frame through the joint gap easily to influence circuit element work, and because of the installation step is loaded down with trivial details, work efficiency is low when leading to the installation, and then leads to inconvenient dismantlement when the maintenance, thereby influences working process.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a waterproof touch screen.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: waterproof touch-sensitive screen, which comprises a housing, the equal fixedly connected with card in shell bottom four corners, the inboard upper surface one side fixedly connected with first laser emission matrix of shell, the inboard upper surface opposite side fixedly connected with second laser receiving matrix of shell, the inboard upper surface front side fixedly connected with second laser emission matrix of shell, the inboard upper surface rear side fixedly connected with first laser receiving matrix of shell, first laser emission matrix lower extreme fixedly connected with high transparent glass, the lateral wall fixedly connected with rubber strip around the high transparent glass, the surface fixedly connected with display under the high transparent glass.

The display comprises a reflecting plate, an LED lamp, a light guide plate, a uniform light diffusion film, a prism film, a first polaroid, a first electrode layer, a first alignment film, a liquid crystal layer, a second alignment film, a second electrode layer, a color filter film, a second polaroid and a glass plate, wherein one end of the upper surface of the reflecting plate is fixedly connected with the LED lamp, the middle part of the upper surface of the reflecting plate is fixedly connected with the light guide plate, the light guide plate is connected with the prism film through the uniform light diffusion film, the prism film is connected with the first electrode layer through the first polaroid, the first electrode layer is connected with liquid crystal through the first alignment film, the liquid crystal layer is connected with the second electrode layer through the second alignment film, the second electrode layer is connected with the second polaroid through the color filter film, and the upper surface of the second polaroid is fixedly connected with the glass plate.

As a further description of the above technical solution:

the upper surface of the light guide plate is fixedly connected with a light homogenizing diffusion film, and the upper surface of the light homogenizing diffusion film is fixedly connected with a prism film.

As a further description of the above technical solution:

the upper surface of the prism film is fixedly connected with a first polaroid, and the upper surface of the first polaroid is fixedly connected with a first electrode layer.

As a further description of the above technical solution:

the top end of the first electrode layer is fixedly connected with a first alignment film, and a liquid crystal layer is arranged on the upper surface of the second alignment film.

As a further description of the above technical solution:

the upper surface of the liquid crystal layer is provided with a second alignment film, and the upper surface of the second alignment film is fixedly connected with a second electrode layer.

As a further description of the above technical solution:

the top end of the second electrode layer is fixedly connected with a color filter film, and the upper surface of the color filter film is fixedly connected with a second polaroid.

As a further description of the above technical solution:

one end of the LED lamp light source is fixedly connected with a light guide plate.

As a further description of the above technical solution:

the lower end of the first laser emission matrix is fixedly connected with high-transmittance glass.

The utility model has the following beneficial effects:

1. according to the utility model, the rubber strip is arranged at the joint of the shell and the high-permeability glass, so that water is prevented from entering the inside through the gap between the screen and the shell, and the problem that once water is arranged on the screen in the use process, the water easily flows into the inside from the gap at the corners of the screen to cause the screen to be damaged is solved.

2. According to the utility model, the cards are arranged on the periphery of the bottom of the shell, so that the cards can be quickly positioned during installation, the installation is quicker, the working efficiency is improved, and the problems that dust and water fall into the frame through the connecting gaps easily due to the fact that the connecting gaps of the frame of a traditional touch screen cannot be completely sealed, the work of circuit elements is affected, and the working efficiency is low during installation due to complicated installation steps are solved.

Drawings

Fig. 1 is a schematic front view of a waterproof touch screen according to the present utility model;

fig. 2 is a front perspective cross-sectional view of a waterproof touch screen according to the present utility model;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is an enlarged view at C in FIG. 2;

fig. 6 is a perspective exploded view showing the structure.

Legend description:

1. high-permeability glass; 2. a housing; 3. a card; 4. a display; 5. a first laser emission matrix; 6. a second laser emission matrix; 7. a first laser receiving matrix; 8. a second laser receiving matrix; 9. a rubber strip; 401. a light reflecting plate; 402. an LED lamp; 403. a light guide plate; 404. a light homogenizing diffusion film; 405. a prism film; 406. a first polarizer; 407. a first electrode layer; 408. a first alignment film; 409. a liquid crystal layer; 410. a second alignment film; 411. a second electrode layer; 412. a color filter film; 413. a second polarizer; 414. a glass plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, one embodiment provided by the present utility model is: including shell 2, the equal fixedly connected with card 3 in shell 2 bottom four corners, the inboard upper surface one side fixedly connected with first laser emission matrix 5 of shell 2, the inboard upper surface opposite side fixedly connected with second laser receiving matrix 8 of shell 2, the inboard upper surface front side fixedly connected with second laser emission matrix 6 of shell 2, the inboard upper surface rear side fixedly connected with first laser receiving matrix 7 of shell 2 realizes the detection to screen touch position through first laser emission matrix 5, second laser receiving matrix 8, second laser emission matrix 6 and first laser receiving matrix 7, the 5 lower extreme fixedly connected with high transparent glass 1 of first laser emission matrix, the lateral wall fixedly connected with rubber strip 9 all around of high transparent glass 1, the 1 lower surface fixedly connected with display 4 of high transparent glass.

The display 4 comprises a reflecting plate 401, an LED lamp 402, a light guide plate 403, a light homogenizing diffusion film 404, a prism film 405, a first polaroid 406, a first electrode layer 407, a first alignment film 408, a liquid crystal layer 409, a second alignment film 410, a second electrode layer 411, a color filter film 412, a second polaroid 413 and a glass plate 414, wherein one end of the upper surface of the reflecting plate 401 is fixedly connected with the LED lamp 402, a light source reflects light upwards through reflection of the reflecting plate 401, the middle part of the upper surface of the reflecting plate 401 is fixedly connected with the light guide plate 403, the light guide plate 403 is connected with the prism film 405 through the light homogenizing diffusion film 404, the light source diffusion area of the light is larger through the light homogenizing diffusion film 404, the prism film 405 is connected with the first electrode layer 407 through the first polaroid 406, the light is filtered by the first polaroid layer 411, the light 411 outside vertical polarized light is filtered by the first electrode layer 407 is connected with the liquid crystal layer 409 through the first alignment film 408, the liquid crystal layer 409 is connected with the second electrode layer 412 through the second electrode layer 410, and the color filter film 412 is connected with the second electrode layer 412 through the second electrode layer 412, and the color filter film is fixedly connected with the glass plate 413.

The light guide plate 403 is fixedly connected with the light homogenizing diffusion film 404, light converts a linear light source into a surface light source through the light guide plate 403 to enable the light to be more uniform, the upper surface of the light homogenizing diffusion film 404 is fixedly connected with the prism film 405, the prism film 405 concentrates the dispersed light to a certain angle and reflects the light which does not accord with the angle back, the upper surface of the prism film 405 is fixedly connected with the first polaroid 406, the upper surface of the first polaroid 406 is fixedly connected with the first electrode layer 407, the top end of the first electrode layer 407 is fixedly connected with the first alignment film 408, the upper surface of the first alignment film 408 is provided with the liquid crystal layer 409, the vertical light is twisted through polarization of the liquid crystal layer 409, the upper surface of the liquid crystal layer 409 is provided with the second alignment film 410, the upper surface of the second alignment film 410 is fixedly connected with the second electrode layer 411, the top end of the second electrode layer 411 is fixedly connected with the color filter film 412, the upper surface of the color filter film 412 is fixedly connected with the second polaroid 413, the second 413 filters the light, and the LED lamp 403 is fixedly connected with the first light guide plate 1 and the light guide plate 5 is fixedly connected with the high-transmitting end of the laser glass.

Working principle: firstly, the LED lamp 402 emits light, the light is reflected upwards by the reflection of the reflecting plate 401, the light is converted into a surface light source by the light guide plate 403 to enable the light to be more uniform, the light is diffused by the light homogenizing diffusion film 404 to enable the light to be larger in area, the light passes through the prism film 405 again after passing through the light homogenizing diffusion film 404, the prism film 405 concentrates the scattered light to a certain angle to reflect the light which does not meet the angle back, the light is reflected back to the prism film 405 after being reflected by the reflecting plate 401, a part of the light which does not meet the angle is reused by the reflecting plate 401 again, the light enters the first polarizer 406 through the prism film 405, the first polarizer 406 filters the light, the light outside the vertical polarized light is filtered, the light enters the liquid crystal layer 409 after passing through the first alignment film 408 after passing through the first polarizer 406, the vertical light is twisted through the polarization of the liquid crystal layer 409, the light passes through the second alignment film 410 and the color filter film 412 after passing through the liquid crystal layer 409, the color filter film 412 changes the color of the light, the light enters the second polarizer 413 after passing through the color filter film 412, the second polarizer 413 filters the light, the light enters the glass plate 414 and the high-transmittance glass 1 to be emitted, when the screen is touched, the touch position is detected through the first laser emission matrix 5, the second laser emission matrix 6 and the first laser receiving matrix 7 and the second laser receiving matrix 8, and then the touch control of the screen is realized through the external processor, so that the card 3 can be quickly positioned during installation, the installation is faster, and the rubber strip 9 is arranged at the joint of the shell 2 and the high-transmittance glass 1 so as to prevent water from entering the inside through the gap between the high-transmittance glass 1 and the shell 2.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Waterproof touch-sensitive screen, including shell (2), its characterized in that: the novel high-transmittance glass comprises a shell (2), wherein cards (3) are fixedly connected to four corners at the bottom end of the shell (2), a first laser emitting matrix (5) is fixedly connected to one side of the upper surface on the inner side of the shell (2), a second laser receiving matrix (8) is fixedly connected to the other side of the upper surface on the inner side of the shell (2), a second laser emitting matrix (6) is fixedly connected to the front side of the upper surface on the inner side of the shell (2), a first laser receiving matrix (7) is fixedly connected to the rear side of the upper surface on the inner side of the shell (2), high-transmittance glass (1) is fixedly connected to the lower end of the first laser emitting matrix (5), rubber strips (9) are fixedly connected to the side walls on the periphery of the high-transmittance glass (1), and a display (4) is fixedly connected to the lower surface of the high-transmittance glass (1).

The display (4) comprises a light reflecting plate (401), an LED lamp (402), a light guide plate (403), a light homogenizing diffusion film (404), a prism film (405), a first polaroid (406), a first electrode layer (407), a first alignment film (408), a liquid crystal layer (409), a second alignment film (410), a second electrode layer (411), a color filter film (412), a second polaroid (413) and a glass plate (414), the LED lamp (402) is fixedly connected to one end of the upper surface of the light reflecting plate (401), the light guide plate (403) is fixedly connected to the middle part of the upper surface of the light reflecting plate (401), the prism film (405) is connected with the prism film (405) through the light homogenizing diffusion film (404), the first electrode layer (407) is connected with the liquid crystal layer (409) through the first alignment film (408), the liquid crystal layer (409) is connected with the second electrode layer (411) through the second alignment film (410), and the second electrode layer (411) is connected with the second polaroid (411) through the second alignment film (412).

2. The waterproof touch screen of claim 1, wherein: the light guide plate (403) is fixedly connected with a light homogenizing diffusion film (404), and the upper surface of the light homogenizing diffusion film (404) is fixedly connected with a prism film (405).

3. The waterproof touch screen of claim 1, wherein: the upper surface of the prism film (405) is fixedly connected with a first polaroid (406), and the upper surface of the first polaroid (406) is fixedly connected with a first electrode layer (407).

4. The waterproof touch screen of claim 1, wherein: the top end of the first electrode layer (407) is fixedly connected with a first alignment film (408), and a liquid crystal layer (409) is arranged on the upper surface of the first alignment film (408).

5. The waterproof touch screen of claim 1, wherein: the upper surface of the liquid crystal layer (409) is provided with a second alignment film (410), and the upper surface of the second alignment film (410) is fixedly connected with a second electrode layer (411).

6. The waterproof touch screen of claim 1, wherein: the top end of the second electrode layer (411) is fixedly connected with a color filter film (412), and the upper surface of the color filter film (412) is fixedly connected with a second polaroid (413).

7. The waterproof touch screen of claim 1, wherein: one end of the light-emitting source of the LED lamp (402) is fixedly connected with a light guide plate (403).

8. The waterproof touch screen of claim 1, wherein: the lower end of the first laser emission matrix (5) is fixedly connected with high-transmittance glass (1).