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High-definition electronic blackboard

Abstract

The utility model discloses a high definition 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 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, an anti-dazzle membrane has between transparent dielectric layer and the touch-control membrane, and the working surface and the transparent dielectric layer or the touch-control membrane contact of this anti-dazzle membrane are connected, anti-dazzle membrane is carried on the back in another surface of working surface and is pasted with touch-control membrane or transparent dielectric layer and be connected. The utility model discloses high definition electronic blackboard avoids producing phenomenons such as water ripple, guarantees the display effect of blackboard, dwindles display and touch-control membrane simultaneously, and the human eye between the distance, and the thickness of attenuate blackboard, the picture that makes the blackboard show is lifelike, the color is abundant, user experience is good.

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CN210337380U

China

Other languages
Chinese
Inventor
刘泽江
Current Assignee
Hunan Fanpu Technology Co., Ltd

Worldwide applications
2019 CN

Application CN201920844039.XU events
2020-04-17
Application granted
Active
Anticipated expiration

Description

High-definition 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 a high definition blackboard, this high definition blackboard avoid producing phenomenons such as water ripple, guarantee the display effect of blackboard, dwindle simultaneously display and touch-control membrane, and the human eye between the distance, the thickness of attenuate blackboard, the picture that makes the blackboard show is lifelike, the color is abundant, user experience is good.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a high-definition 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, and a transparent dielectric layer is arranged between the display unit and the touch film;
an anti-dazzle film is arranged between the transparent medium layer and the touch film, the working surface of the anti-dazzle film is in contact connection with the transparent medium layer or the touch film, and the other surface, opposite to the working surface, of the anti-dazzle film is connected with the touch film or the transparent medium layer in a sticking mode.
The further improved scheme in the technical scheme is as follows:
1. in the above embodiment, the anti-glare film further includes a substrate and an anti-glare coating layer coated on one surface of the substrate.
2. In the scheme, the surface of the base material, which is opposite to the anti-glare coating, is coated with an adhesive layer.
3. In the above scheme, the display unit is an LCD display screen, an LED display screen or an OLED display screen.
4. In the above scheme, the transparent panel is an inorganic glass plate, an acrylic plate or a polycarbonate plate.
5. In the above scheme, the transparent dielectric layer is an inorganic glass layer, an acrylic plate layer or a polycarbonate plate layer.
6. In the above scheme, the display unit includes a display area and a frame located around the display area.
7. In the above scheme, the transparent dielectric layer is located between the display area of the display unit and the touch control film.
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 high definition blackboard, an anti-dazzle membrane has between its transparent medium layer and the touch-control membrane, the working surface and transparent medium layer or the touch-control membrane contact of this anti-dazzle membrane are connected, the setting of anti-dazzle membrane, make anti-dazzle membrane and transparent medium layer or and touch-control membrane between can direct in close contact with and can not produce phenomenons such as water ripple, guarantee the display effect of blackboard, reduce display and touch-control membrane simultaneously, and the distance between the people's eye, the thickness of attenuate black plate, the picture that makes the blackboard show is lifelike, and the color is abundant, and user experience is good.
2. The utility model discloses high definition electronic blackboard is provided with a transparent medium layer between its display element and the touch-control membrane, and the setting of transparent medium layer plays the effect of keeping apart touch-control membrane and display, avoids the display to warp the interference to 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 high-definition electronic blackboard of the present invention;
figure 2 is the utility model discloses anti-dazzle membrane local structure cross-sectional view among high definition 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; 7. an anti-glare film; 701. a substrate; 702. an anti-glare coating; 703. and (6) a glue layer.
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: a high-definition 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 medium 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 medium layer 4;
an anti-dazzle film 7 is arranged between the transparent medium layer 4 and the touch control film 2, the working surface of the anti-dazzle film 7 is in contact connection with the transparent medium layer 4 or the touch control film 2, and the other surface, back to the working surface, of the anti-dazzle film 7 is connected with the touch control film 2 or the transparent medium layer 4 in a sticking mode.
The anti-glare film 7 further comprises a substrate 701 and an anti-glare coating 702 coated on one surface of the substrate 701; the surface of the substrate 701 opposite to the anti-glare coating 702 is coated with an adhesive layer 703; the display unit 1 is an LCD display screen; the transparent panel 3 is an inorganic glass plate; the transparent dielectric layer 4 is an inorganic glass layer.
Example 2: a high-definition 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 medium 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 medium layer 4;
an anti-dazzle film 7 is arranged between the transparent medium layer 4 and the touch control film 2, the working surface of the anti-dazzle film 7 is in contact connection with the transparent medium layer 4 or the touch control film 2, and the other surface, back to the working surface, of the anti-dazzle film 7 is connected with the touch control film 2 or the transparent medium layer 4 in a sticking mode.
The display unit 1 is an LED display screen; the transparent panel 3 is an acrylic plate; the transparent medium layer 4 is a polycarbonate plate layer; 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 located between the display area 101 of the display unit 1 and the touch film 2.
When the high-definition electronic blackboard is adopted, the anti-glare film is arranged, so that the anti-glare film can be directly and tightly contacted with the transparent medium layer or the touch control film without generating the phenomena of water ripples and the like, the display effect of the blackboard is ensured, the distance between the display and the touch control film and between the display and human eyes is reduced, the thickness of the blackboard is reduced, the pictures displayed by the blackboard are vivid, the colors are 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 (8)
Hide Dependent

1. A high-definition electronic blackboard 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), and a transparent dielectric layer (4) is arranged between the display unit (1) and the touch film (2);
an anti-dazzle film (7) is arranged between the transparent medium layer (4) and the touch film (2), the working surface of the anti-dazzle film (7) is in contact connection with the transparent medium layer (4) or the touch film (2), and the other surface, back to the working surface, of the anti-dazzle film (7) is connected with the touch film (2) or the transparent medium layer (4) in a sticking mode.
2. The high definition electronic blackboard of claim 1, wherein: the anti-glare film (7) further comprises a base material (701) and an anti-glare coating (702) coated on one surface of the base material (701).
3. The high definition electronic blackboard of claim 2, wherein: the surface of the base material (701) opposite to the anti-glare coating (702) is coated with an adhesive layer (703).
4. The high definition electronic blackboard of claim 1, wherein: the display unit (1) is an LCD display screen, an LED display screen or an OLED display screen.
5. The high definition electronic blackboard of claim 1, wherein: the transparent panel (3) is an inorganic glass plate, an acrylic plate or a polycarbonate plate.
6. The high definition 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.
7. The high definition 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).
8. The high definition electronic blackboard of claim 7, wherein: the transparent medium layer (4) is located between the display area (101) of the display unit (1) and the touch film (2).