Digital display screen with touch backlight function

Abstract

The utility model discloses a digital display screen with a touch backlight function. The digital display screen comprises a shell, a lamp panel, a light guide plate and a display film, a display window is arranged on the shell; the lamp panel is arranged in the shell, and a touch control assembly and an LED lamp assembly are arranged on the lamp panel. The light guide plate is arranged in the shell and located above the lamp panel. The display film is arranged at the display window and located above the light guide plate, and a plurality of display marks are arranged on the display film; the LED lamp assembly can emit light when the touch control assembly is triggered so as to lighten the display mark on the display film through the light guide plate; by means of the structure, the problems that the touch area of the touch spring is small, the height of the plane pipe is large and the use condition of the touch diaphragm is limited can be solved, the touch screen has the advantages of being simple in production process and not limited by the use condition, and the use requirement is met.

Description

Technical Field

[0001] This utility model relates to the field of digital display screens, and in particular to a digital display screen with touch backlight function. Background Technology

[0002] Currently, touch display modules on the market mainly come in two forms: 1. Relying on a touch spring with a circular flat tube inside; 2. Attaching a touch film to the flat tube. However, in actual use, either method has certain drawbacks. If a touch spring + flat tube is used, the touch display module is relatively tall, and the size of the touch spring also limits the touch area. If a flat tube + touch film is used, it also suffers from the problem of being too tall, and the touch film cannot withstand high temperatures and is easily corroded by acids and alkalis, affecting its lifespan. Therefore, there is an urgent need for a digital display screen with touch backlighting to solve the above problems. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a digital display screen with touch backlight function.

[0004] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: a digital display screen with touch backlight function, including a housing, a lamp board, a light guide plate and a display film;

[0005] A display window is provided on the casing;

[0006] The light panel is housed inside the housing and has a touch control component and an LED light component mounted on it.

[0007] The light guide plate is located inside the housing and above the lamp panel;

[0008] The display film is set at the display window and above the light guide plate, and several display marks are set on the display film;

[0009] The LED light assembly emits light when the touch component is triggered, illuminating the display logo on the display film via a light guide plate.

[0010] As one of the preferred embodiments of this utility model, a number of support strips are provided at intervals in the middle of the housing, and the lamp plate is riveted to the lower end of the support strips.

[0011] As one of the preferred embodiments of this utility model, the lower end of the support bar is provided with a number of positioning posts, and the lamp plate is provided with a number of positioning grooves, with the positioning posts inserted into the positioning grooves.

[0012] As one of the preferred embodiments of this utility model, a plurality of support platforms located below the support bars are provided on the inner side wall of the housing, and the lamp plate is supported on the support platforms.

[0013] As one of the preferred embodiments of this utility model, the outer ring of the shell is provided with a number of slots, and the light guide plate is provided with a number of hooks, which are engaged in the slots.

[0014] As one of the preferred embodiments of this utility model, the light guide plate is provided with a number of vertically penetrating clearance slots, the LED light assembly extends into the clearance slots, and the light emitted by the LED light assembly shines into the light guide plate from the side end of the light guide plate.

[0015] As one of the preferred embodiments of this utility model, the lamp board is provided with conductive pins extending to the rear end of the housing.

[0016] As one of the preferred embodiments of this utility model, the display film is adhered to the light guide plate.

[0017] As one of the preferred embodiments of this utility model, the display mark is set as a pattern and / or text.

[0018] The beneficial effects of this utility model are as follows: A digital display screen with touch backlight function includes a housing, a lamp board, a light guide plate, and a display film; a display window is provided on the housing; the lamp board is disposed inside the housing and has a touch component and an LED light component disposed thereon; the light guide plate is disposed inside the housing and is located above the lamp board; the display film is disposed at the display window and is located above the light guide plate, and a plurality of display marks are provided on the display film; the LED light component can emit light when the touch component is triggered, so as to illuminate the display marks on the display film through the light guide plate; the above structure can solve the problems of small touch area of ​​touch spring, high height of flat tube and limited use conditions of touch film, and has the advantages of simple production process and no limitation of use conditions, thus meeting the use requirements. Attached Figure Description

[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0020] Figure 1 This is a schematic diagram of a digital display screen with touch backlight function;

[0021] Figure 2 This is a schematic diagram of the shell structure;

[0022] Figure 3 This is a schematic diagram of the lamp panel structure;

[0023] Figure 4 This is a schematic diagram of the light guide plate structure;

[0024] Figure 5 This is a schematic diagram showing the structure of the membrane. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0029] Reference Figures 1 to 5 A digital display screen with touch backlight function includes a housing 10, a lamp board 20, a light guide plate 30, and a display film 40;

[0030] A display window 11 is provided on the housing 10;

[0031] The light panel 20 is disposed inside the housing 10 and is provided with a touch component 21 and an LED light component 22.

[0032] The light guide plate 30 is disposed inside the housing 10 and located above the lamp plate 20;

[0033] The display film 40 is disposed at the display window 11 and above the light guide plate 30, and a number of display marks 41 are provided on the display film 40;

[0034] The LED light assembly 22 can emit light when the touch assembly 21 is triggered, so as to illuminate the display mark 41 on the display film 40 through the light guide plate 30.

[0035] In some embodiments of this invention, a plurality of support bars 50 are spaced apart in the middle of the housing 10, and the lamp plate 20 is riveted to the lower end of the support bars 50; a plurality of support platforms 70 located below the support bars 50 are provided on the inner sidewall of the housing 10, and the lamp plate 20 is supported on the support platforms 70; during assembly, the lamp plate 20 is snapped on from bottom to top and supported on the support platforms 70, and then the light guide plate 30 is placed above the lamp plate 20. The light guide plate 30 can be supported on the upper end of the support bars 50 or on the end face of the housing 10; and a display film 40 is covered on the upper end of the light guide plate 30; during use, when the lamp plate 20 is turned on... When powered by an external power source, the user triggers the touch component 21 on the lamp panel 20 by touching (preferably by air touch). The controller receives the electrical signal change of the touch component 21 and controls the LED light component 22 to emit light. The light emitted by the LED light component 22 is guided by the light guide plate 30 and evenly illuminates the display film 40, thereby illuminating the display mark 41 on the display film 40. The advantages of this utility model are that the above structure can solve the problems of small touch area of ​​touch spring, high height of flat tube and limited use conditions of touch film. It has the advantages of simple production process and no limitation of use conditions, thus meeting the use requirements.

[0036] In some embodiments, the lower end of the support bar 50 is provided with a plurality of positioning posts 61, and the lamp plate 20 is provided with a plurality of positioning grooves 62, with the positioning posts 61 inserted into the positioning grooves 62; the positioning between the lamp plate 20 and the housing 10 is achieved by the cooperation of the positioning posts 61 and the positioning grooves 62, so as to avoid riveting the lamp plate 20 to the housing 10 (support bar 50).

[0037] In some embodiments, the outer ring of the housing 10 is provided with a plurality of slots 81, and the light guide plate 30 is provided with a plurality of hooks 82, which are engaged in the slots 81; the light guide plate 30 is installed on the housing 10 by means of snap-fit, which simplifies the assembly process and improves production efficiency.

[0038] In some embodiments, the light guide plate 30 is provided with a plurality of vertically penetrating recesses 31, and the LED lamp assembly 22 extends into the recesses 31. The light emitted by the LED lamp assembly 22 is irradiated into the light guide plate 30 from the side end of the light guide plate 30. The side-entry light method enables the light emitted by the LED lamp assembly 22 to be uniformly transmitted to the entire light guide plate 30, and under the action of the light guide plate 30, it is uniformly irradiated onto the display film 40, which is beneficial to improving the display effect.

[0039] In some embodiments, the lamp board 20 is provided with conductive pins 90 extending to the rear end of the housing 10.

[0040] In some embodiments, the display film 40 is adhesively bonded to the light guide plate 30.

[0041] In some embodiments, the display identifier 41 is set as a pattern and / or text.

[0042] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A digital display screen with touch backlight function, characterized in that... It includes a housing (10), a lamp panel (20), a light guide plate (30), and a display film (40); A display window (11) is provided on the housing (10); The lamp panel (20) is disposed inside the housing (10) and a touch component (21) and an LED lamp component (22) are disposed thereon; The light guide plate (30) is disposed inside the housing (10) and located above the lamp plate (20); The display film (40) is disposed at the display window (11) and above the light guide plate (30), and a plurality of display marks (41) are disposed on the display film (40); The LED light assembly (22) can emit light when the touch assembly (21) is triggered, so as to illuminate the display mark (41) on the display film (40) through the light guide plate (30).

2. A digital display screen with touch backlight function according to claim 1, characterized in that: The housing (10) has several support bars (50) spaced apart in the middle, and the lamp plate (20) is riveted to the lower end of the support bars (50).

3. A digital display screen with touch backlight function according to claim 2, characterized in that: The lower end of the support bar (50) is provided with a number of positioning posts (61), and the lamp plate (20) is provided with a number of positioning grooves (62), and the positioning posts (61) are inserted into the positioning grooves (62).

4. A digital display screen with touch backlight function according to claim 2, characterized in that: The inner wall of the housing (10) is provided with a plurality of support platforms (70) located below the support bar (50), and the lamp plate (20) is supported on the support platforms (70).

5. A digital display screen with touch backlight function according to claim 1, characterized in that: The outer ring of the housing (10) is provided with a plurality of slots (81), and the light guide plate (30) is provided with a plurality of hooks (82), which are engaged in the slots (81).

6. A digital display screen with touch backlight function according to claim 1, characterized in that: The light guide plate (30) is provided with a plurality of vertically penetrating clearance slots (31), and the LED lamp assembly (22) extends into the clearance slots (31). The light emitted by the LED lamp assembly (22) is irradiated into the light guide plate (30) from the side end of the light guide plate (30).

7. A digital display screen with touch backlight function according to claim 1, characterized in that: The lamp plate (20) is provided with conductive pins (90) extending to the rear end of the housing (10).

8. A digital display screen with touch backlight function according to claim 1, characterized in that: The display film (40) is glued to the light guide plate (30).

9. A digital display screen with touch backlight function according to claim 1, characterized in that: The display identifier (41) is set as a pattern and / or text.

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