CN210337381U

CN210337381U - Intelligent electronic blackboard

Info

Publication number: CN210337381U
Application number: CN201920844044.0U
Authority: CN
Inventors: 刘泽江
Original assignee: UC Nano Technologies Inc
Current assignee: Hunan Fanpu Technology Co., Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-17
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses an intelligence electronic blackboard, including display element, touch-control membrane and transparent panel, the touch-control membrane sets up in the display surface outside of display element, transparent panel is located the surface that the touch-control membrane back of the body carried on the back in the display element, be provided with a transparent dielectric layer between display element and the touch-control membrane, the touch-control membrane is connected with the contact of transparent dielectric layer, the contact surface of transparent dielectric layer and touch-control membrane contact has a plurality of concave points and bump to form rough surface appearance contact surface. The utility model discloses intelligence electronic blackboard can avoid the phenomenon that the in close contact produced the ripple between touch membrane and the transparent dielectric layer, makes the blackboard have good display effect, and the picture that shows is lifelike, the color is abundant, and user experience is good.

Description

Intelligent electronic blackboard

Technical Field

The utility model relates to an electronic blackboard belongs to education and equips technical field.

Background

With the progress of scientific and technological development, electronic products are continuously developed and are more and more widely applied, and the requirements of people on work and life can be comprehensively met. The large-size touch equipment is widely applied to the field of education, and plays a vital role in improving education quality and promoting education informatization. The large-size intelligent blackboard is intelligent interactive teaching equipment capable of realizing touch interaction, multimedia teaching and chalk writing, a traditional handwriting blackboard and the multimedia equipment are combined by means of a touch technology, the blackboard writing and the multimedia application are switched easily, the same area on the blackboard can be used for normally writing with chalk like a common blackboard, and PPT, videos, pictures, animations and the like can be watched and touch operation can be carried out.

However, the large-size display provided on the large-size blackboard is prone to generate interference on the touch film, the touch film must be separated from the display by a certain distance, in order to avoid the interference of the display on the touch film, it is often necessary to provide an isolation layer between the touch film and the display, and the addition of the isolation layer creates new problems, one of which is to increase the distance between the display and the touch film, and the contact between the touch film and the isolation layer is prone to generate ripples, which all affect the display effect of the blackboard.

Disclosure of Invention

The utility model aims at providing an intelligence electronic blackboard, this intelligence electronic blackboard can avoid the phenomenon that the in close contact produced the ripple between touch membrane and the transparent dielectric layer, makes the blackboard have good display effect, and the picture that shows is lifelike, the color is abundant, and user experience is good.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an intelligent electronic blackboard comprises a display unit, a touch film and a transparent panel, wherein the touch film is arranged on the outer side of a display surface of the display unit, the transparent panel is positioned on the surface of the touch film opposite to the display unit, a transparent dielectric layer is arranged between the display unit and the touch film, and the touch film is in contact connection with the transparent dielectric layer;

the contact surface of the transparent medium layer, which is in contact with the touch control film, is provided with a plurality of concave points and convex points, so that the contact surface with a rough surface appearance is formed.

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

1. in the scheme, the contact surface with the rough surface appearance, which is in contact with the touch control film, of the transparent medium layer is obtained by coating an anti-glare coating, so that a plurality of concave points and convex points are formed.

2. In the scheme, the contact surface of the transparent dielectric layer, which is in contact with the touch film, is subjected to chemical etching treatment to form a contact surface with a plurality of concave points and convex points.

3. In the above scheme, the display unit includes a display area and a frame located around the display area.

4. In the above scheme, the transparent dielectric layer is located between the display area of the display unit and the touch control film.

5. In the above scheme, the display unit is an LCD display screen, an LED display screen or an OLED display screen.

6. In the above scheme, the transparent dielectric layer is an inorganic glass layer, an acrylic plate layer or a polycarbonate plate layer.

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 intelligence electronic blackboard, the contact surface of its transparent dielectric layer and touch-control membrane contact has a plurality of concave points and bump, thereby form rough surface appearance contact surface sets up the surface appearance that has roughness at the dielectric layer surface for can direct in close contact with between touch-control membrane and the transparent dielectric layer, reduce display and touch-control membrane, and the distance between the people's eye, in attenuate blackboard thickness, can avoid the phenomenon that the in close contact produced the ripple between touch-control membrane and the transparent dielectric layer, make the blackboard have good display effect, the picture that shows is lifelike, the color is abundant, user experience is good.

2. The utility model discloses intelligent electronic blackboard, the setting of its transparent medium layer plays the effect of keeping apart touch-control membrane and display, avoids the display to warp the interference to the touch-control membrane, guarantees the touch-control precision of blackboard, prolongs its life, has still avoided forming the air bed between display and the touch-control membrane, when avoiding the dust to get into the air bed and cause the display unclear, makes the blackboard have good display effect, and the image is clear lifelike, and user experience is good; in addition, the display unit comprises a display area and a frame located around the display area, and the transparent medium layer is located between the display area of the display unit and the touch membrane, so that the transparent medium layer avoids the interference of the deformation of the display on the touch membrane while the overall thickness of the blackboard is not increased, and also has a supporting effect on the display, thereby preventing the deformation of the display and prolonging the service life of the blackboard.

Drawings

FIG. 1 is a schematic view of the intelligent electronic blackboard of the present invention;

figure 2 is the utility model discloses transparent dielectric layer local structure cross-sectional view in the intelligence electronic blackboard.

In the above drawings: 1. a display unit; 101. a display area; 102. a frame; 2. a touch film; 3. a transparent panel; 4. a transparent dielectric layer; 5. concave points; 6. and (4) bumps.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: an intelligent electronic blackboard comprises a display unit 1, a touch film 2 and a transparent panel 3, wherein the touch film 2 is arranged on the outer side of a display surface of the display unit 1, the transparent panel 3 is positioned on the surface, opposite to the display unit 1, of the touch film 2, a transparent dielectric layer 4 is arranged between the display unit 1 and the touch film 2, and the touch film 2 is in contact connection with the transparent dielectric layer 4;

the contact surface of the transparent medium layer 4, which is in contact with the touch control film 2, is provided with a plurality of concave points 5 and convex points 6, so that the contact surface with a rough surface appearance is formed.

The contact surface with the rough surface appearance, which is contacted with the touch control film 2, of the transparent medium layer 4 is obtained by coating an anti-dazzle coating, so that a plurality of concave points 5 and convex points 6 are formed; the display unit 1 is an LCD display screen; the transparent dielectric layer 4 is an inorganic glass layer.

Example 2: an intelligent electronic blackboard comprises a display unit 1, a touch film 2 and a transparent panel 3, wherein the touch film 2 is arranged on the outer side of a display surface of the display unit 1, the transparent panel 3 is positioned on the surface, opposite to the display unit 1, of the touch film 2, a transparent dielectric layer 4 is arranged between the display unit 1 and the touch film 2, and the touch film 2 is in contact connection with the transparent dielectric layer 4;

The contact surface of the transparent dielectric layer 4, which is in contact with the touch film 2, is chemically etched to form a contact surface with a plurality of concave points 5 and convex points 6;

the display unit 1 includes a display area 101 and a frame 102 located around the display area 101; the transparent medium layer 4 is positioned between the display area 101 of the display unit 1 and the touch control film 2; the display unit 1 is an LED liquid crystal display screen; the transparent dielectric layer 4 is an acrylic plate layer.

When the intelligent electronic blackboard is adopted, the surface appearance with roughness is arranged on the surface of the medium layer, so that the touch film can be directly and tightly contacted with the transparent medium layer, the distance between the display and the touch film and the human eyes is reduced, the phenomenon of water ripples generated by the tight contact between the touch film and the transparent medium layer can be avoided while the thickness of the blackboard is reduced, the blackboard has good display effect, the displayed picture is vivid, the color is rich, and the user experience is good;

in addition, the transparent medium layer has the effect of isolating the touch film from the display, so that the interference of the deformation of the display on the touch film is avoided, the touch precision of the blackboard is ensured, the service life of the blackboard is prolonged, an air layer is also avoided from being formed between the display and the touch film, and the blackboard has good display effect, clear and vivid images and good user experience while the dust is prevented from entering the air layer to cause unclear display; in addition, the transparent medium layer avoids the interference of the deformation of the display on the touch membrane while not increasing the overall thickness of the blackboard, and also has a supporting effect on the display, thereby preventing the deformation of the display and prolonging the service life of the blackboard.

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 intelligent electronic blackboard, which is characterized in that: the touch screen comprises a display unit (1), a touch film (2) and a transparent panel (3), wherein the touch film (2) is arranged on the outer side of the display surface of the display unit (1), the transparent panel (3) is positioned on the surface, back to the display unit (1), of the touch film (2), a transparent dielectric layer (4) is arranged between the display unit (1) and the touch film (2), and the touch film (2) is in contact connection with the transparent dielectric layer (4);

the contact surface of the transparent dielectric layer (4) in contact with the touch film (2) is provided with a plurality of concave points (5) and convex points (6), so that the contact surface with a rough surface appearance is formed.

2. The intelligent electronic blackboard of claim 1, wherein: the contact surface with the rough surface morphology, which is contacted with the touch control film (2), of the transparent medium layer (4) is obtained by coating an anti-dazzle coating, so that a plurality of concave points (5) and convex points (6) are formed.

3. The intelligent electronic blackboard of claim 1, wherein: the contact surface of the transparent dielectric layer (4) in contact with the touch film (2) is subjected to chemical etching treatment to form a contact surface with a plurality of concave points (5) and convex points (6).

4. The intelligent electronic blackboard of claim 1, wherein: the display unit (1) comprises a display area (101) and a frame (102) located on the periphery of the display area (101).

5. The intelligent electronic blackboard of claim 4, wherein: the transparent medium layer (4) is located between the display area (101) of the display unit (1) and the touch film (2).

6. The intelligent electronic blackboard of claim 1, wherein: the display unit (1) is an LCD display screen, an LED display screen or an OLED display screen.

7. The intelligent electronic blackboard of claim 1, wherein: the transparent medium layer (4) is an inorganic glass layer, an acrylic plate layer or a polycarbonate plate layer.