CN210072574U - Large-size electronic blackboard - Google Patents
Large-size electronic blackboard Download PDFInfo
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- CN210072574U CN210072574U CN201920897994.XU CN201920897994U CN210072574U CN 210072574 U CN210072574 U CN 210072574U CN 201920897994 U CN201920897994 U CN 201920897994U CN 210072574 U CN210072574 U CN 210072574U
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Abstract
The utility model discloses a jumbo size electronic blackboard, including panel layer, touch-control membrane, transparent sheet layer and liquid crystal display unit, the touch-control membrane is located between panel layer and the transparent sheet layer, liquid crystal display unit is located transparent sheet layer and carries on the back in touch-control membrane one side, and this liquid crystal display unit and transparent sheet layer in close contact with, liquid crystal display unit further includes the display area and is located display area frame region all around, liquid crystal display unit's bellying imbeds the position hole of keeping away of transparent sheet layer respectively for liquid crystal display unit's display area and transparent sheet layer in close contact with still have an anti-dazzle membrane, and this anti-dazzle membrane is located between touch-control membrane and the transparent sheet layer. The utility model discloses jumbo size electronic blackboard has realized the full laminating of zero interval between panel layer, touch-control membrane, transparent sheet layer and the liquid crystal disply unit, and can not produce the water ripple phenomenon, and in attenuate blackboard thickness he simultaneously, has strengthened the demonstration and the touch-control effect of blackboard, and user experience is better.
Description
Technical Field
The utility model relates to an electronic blackboard belongs to education and equips technical field.
Background
The intelligent blackboard is intelligent interactive teaching equipment capable of realizing touch interaction, multimedia teaching and chalk writing, combines a traditional handwriting blackboard with the multimedia equipment by means of a touch technology, and is easily switched between chalk blackboard writing and multimedia application, and the same area on the blackboard can be used for normally writing with chalk like a common blackboard, and can also be used for watching PPT, videos, pictures, animations and the like and carrying out touch operation.
The large-size display provided on the large-size blackboard is easy to interfere with the touch film, and the touch film must be separated from the display by some distance, for example, in CN207895421U, a dielectric layer is disposed between the touch layer and the display to avoid touch invalidation or local touch failure due to touch skip point caused by contact between the display and the touch layer. However, the distance between the display and the touch film may increase the thickness of the whole blackboard, decrease the touch sensitivity, and fail to guarantee the definition and image fidelity of the display, which needs to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims at providing a jumbo size blackboard, this jumbo size blackboard have realized the full laminating of zero interval between panel layer, touch-control membrane, transparent sheet layer and the liquid crystal disply unit, and can not produce the water ripple phenomenon, and in attenuate blackboard thickness he simultaneously, strengthened the demonstration and the touch-control effect of blackboard, user experience is better.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a large-size electronic blackboard comprises a panel layer, a touch film, a transparent board layer and a liquid crystal display unit, wherein the touch film is positioned between the panel layer and the transparent board layer, the liquid crystal display unit is positioned on one side of the transparent board layer opposite to the touch film, and the liquid crystal display unit is in close contact with the transparent board layer;
the liquid crystal display unit further comprises a display area and a frame area positioned around the display area, the frame area is provided with a plurality of protrusions, the transparent plate layer is provided with a plurality of avoiding holes, and the protrusions of the liquid crystal display unit are respectively embedded into the avoiding holes of the transparent plate layer, so that the display area of the liquid crystal display unit is in close contact with the transparent plate layer;
the anti-dazzle film is positioned between the touch film and the transparent plate layer, the working surface of the anti-dazzle film is in contact connection with the touch film or the transparent plate layer, and the anti-dazzle film is connected with the transparent plate layer or the touch film in an adhesive manner on the other surface of the working surface in a back-to-back manner.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the anti-glare film further comprises a substrate, an anti-glare coating coated on one surface of the substrate, and a glue layer coated on the other surface of the substrate.
2. In the scheme, the panel layer is a toughened glass plate layer, and the transparent plate layer is an acrylic plate layer.
3. In the scheme, the thickness of the transparent plate layer is 2 mm.
4. In the above scheme, the area of the transparent plate layer is greater than or equal to the area of the liquid crystal display unit.
5. In the above solution, the display area further includes a liquid crystal module and a backlight module, and the peripheries of the liquid crystal module and the backlight module are nested and installed in the frame area.
6. In the above scheme, the panel layer, the touch film, the transparent plate layer and the liquid crystal display unit are all fixed by a frame unit.
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 jumbo size electronic blackboard, its liquid crystal display unit further include the display area and be located the display area frame region all around, a plurality of bellyings have on the frame region, it has a plurality of holes of keeping away to open on the transparent sheet layer, the bellyings of liquid crystal display unit imbed the position of keeping away of transparent sheet layer respectively in, make the display area of liquid crystal display unit and transparent sheet layer in close contact with, realized the gapless full laminating of display element and transparent sheet layer, both kept apart the interference of display element to the touch-control membrane, drawn the distance between display element and touch-control membrane, panel greatly again, thinned the thickness of black board, make the demonstration more clear lifelike, the visual angle greatly increased of viewer, touch-control sensitivity improves greatly, the position of actual touch-control point and display touch-control point is almost unanimous, user experience is good; in addition, through the cooperation setting of the upper protruding part of the upper hole of the transparent plate and the upper protruding part of the liquid crystal display unit, the problem that the display unit cannot be attached to the transparent plate in a gapless mode due to the upper protruding part of the liquid crystal display unit is solved, a certain limiting supporting effect is achieved, connection between the liquid crystal display unit and the transparent plate is more stable and reliable, the transparent plate plays a good role in protecting the liquid crystal display unit, and stability of the whole structure and performance of the blackboard is further guaranteed.
2. The utility model discloses jumbo size electronic blackboard, it still has an anti-dazzle membrane, and this anti-dazzle membrane is located between touch-control membrane and the transparent sheet layer, the working surface and touch-control membrane or the transparent sheet layer contact of anti-dazzle membrane are connected, anti-dazzle membrane back to another surface and transparent sheet layer or touch-control membrane adhesive connection of working surface, the setting of anti-dazzle membrane, make anti-dazzle membrane and transparent sheet 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, the thickness of attenuate black plate, the picture that makes the blackboard show is lifelike, the color is abundant, user experience is good, and simple process, the dismouting of being.
Drawings
FIG. 1 is a side view of the large-sized electronic blackboard of the present invention;
FIG. 2 is a side view of a partial structure of a large-sized electronic blackboard according to the present invention;
figure 3 is the utility model discloses anti-dazzle membrane structure cross-sectional view among jumbo size electronic blackboard.
In the above drawings: 1. a panel layer; 2. a touch film; 3. a transparent sheet layer; 301. avoiding holes; 4. a liquid crystal display unit; 401. a display area; 402. a frame area; 403. a boss portion; 404. a liquid crystal module; 405. a backlight module; 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 large-size electronic blackboard comprises a panel layer 1, a touch film 2, a transparent board layer 3 and a liquid crystal display unit 4, wherein the touch film 2 is positioned between the panel layer 1 and the transparent board layer 3, the liquid crystal display unit 4 is positioned on one side of the transparent board layer 3 opposite to the touch film 2, and the liquid crystal display unit 4 is in close contact with the transparent board layer 3;
the liquid crystal display unit 4 further comprises a display area 401 and a frame area 402 located around the display area 401, the frame area 402 is provided with a plurality of protrusions 403, the protrusions 403 are generally screw holes used for installing a front frame of a liquid crystal panel on the frame area 402, the transparent plate layer 3 is provided with a plurality of avoiding holes 301, and the protrusions 403 of the liquid crystal display unit 4 are respectively embedded into the avoiding holes 301 of the transparent plate layer 3, so that the display area 401 of the liquid crystal display unit 4 is in close contact with the transparent plate layer 3;
still have an anti-dazzle film 7, this anti-dazzle film 7 is located between touch-control membrane 2 and the transparent sheet layer 3, the working surface and the touch-control membrane 2 of anti-dazzle film 7 or the contact of transparent sheet layer 3 are connected, another surface and transparent sheet layer 3 or the touch-control membrane 2 adhesive connection that anti-dazzle film 7 is the back of the body surface.
The anti-glare film 7 further comprises a substrate 701, an anti-glare coating 702 coated on one surface of the substrate 701, and an adhesive layer 703 coated on the other surface of the substrate 701; the panel layer 1 is a toughened glass plate layer, so that the blackboard can be written by chalk, and the whole blackboard is protected, and the structural stability of the blackboard is ensured; the transparent board layer 3 is an acrylic board layer, and the acrylic board has certain elasticity, can buffer and disperse the force applied on the panel, and enhances the shock resistance of the blackboard; the thickness of the transparent sheet layer 3 was 2 mm.
Example 2: a large-size electronic blackboard comprises a panel layer 1, a touch film 2, a transparent board layer 3 and a liquid crystal display unit 4, wherein the touch film 2 is positioned between the panel layer 1 and the transparent board layer 3, the liquid crystal display unit 4 is positioned on one side of the transparent board layer 3 opposite to the touch film 2, and the liquid crystal display unit 4 is in close contact with the transparent board layer 3;
the liquid crystal display unit 4 further comprises a display area 401 and a frame area 402 located around the display area 401, the frame area 402 is provided with a plurality of protrusions 403, the transparent plate layer 3 is provided with a plurality of avoiding holes 301, the protrusions 403 of the liquid crystal display unit 4 are respectively embedded into the avoiding holes 301 of the transparent plate layer 3, so that the display area 401 of the liquid crystal display unit 4 is in close contact with the transparent plate layer 3;
still have an anti-dazzle film 7, this anti-dazzle film 7 is located between touch-control membrane 2 and the transparent sheet layer 3, the working surface and the touch-control membrane 2 of anti-dazzle film 7 or the contact of transparent sheet layer 3 are connected, another surface and transparent sheet layer 3 or the touch-control membrane 2 adhesive connection that anti-dazzle film 7 is the back of the body surface.
The area of the transparent plate layer 3 is larger than that of the liquid crystal display unit 4; the display area 401 further includes a liquid crystal module 404 and a backlight module 405, and the respective peripheries of the liquid crystal module 404 and the backlight module 405 are nested and installed in the frame area 402; the panel layer 1, the touch film 2, the transparent plate layer 3 and the liquid crystal display unit 4 are all fixed by a frame unit.
When the large-size electronic blackboard is adopted, gapless full lamination of the display unit and the transparent board layer is realized, interference of the display unit on the touch control film is isolated, the distance between the display unit and the touch control film and between the display unit and the panel is greatly shortened, the thickness of the black board is reduced, display is clearer and more vivid, the visual angle of a viewer is greatly increased, touch control is accurate, the actual touch control point is almost consistent with the position of the displayed touch control point, and user experience is good; in addition, through the matching arrangement of the position avoiding hole on the transparent plate and the convex part on the liquid crystal display unit, the problem that the display unit cannot be attached to the transparent plate without a gap due to the convex part on the liquid crystal display unit is solved, a certain limiting and supporting effect is achieved, the connection between the liquid crystal display unit and the transparent plate is more stable and reliable, the transparent plate plays a good role in protecting the liquid crystal display unit, and the stability of the whole structure and performance of the blackboard is further ensured;
in addition, the setting of anti-dazzle membrane makes anti-dazzle membrane and transparent sheet layer or and touch-control membrane between can direct in close contact with and can not produce phenomenons such as water ripple, guarantees the display effect of blackboard, and the thickness of attenuate blackboard, the picture that makes the blackboard show is lifelike, the color is abundant, and user experience is good, and simple process, the dismouting of being convenient for.
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 (7)
1. A large-size electronic blackboard is characterized in that: the touch panel comprises a panel layer (1), a touch film (2), a transparent plate layer (3) and a liquid crystal display unit (4), wherein the touch film (2) is positioned between the panel layer (1) and the transparent plate layer (3), the liquid crystal display unit (4) is positioned on one side, back to the touch film (2), of the transparent plate layer (3), and the liquid crystal display unit (4) is in close contact with the transparent plate layer (3);
the liquid crystal display unit (4) further comprises a display area (401) and a frame area (402) located around the display area (401), the frame area (402) is provided with a plurality of protrusions (403), the transparent plate layer (3) is provided with a plurality of avoiding holes (301), the protrusions (403) of the liquid crystal display unit (4) are respectively embedded into the avoiding holes (301) of the transparent plate layer (3), so that the display area (401) of the liquid crystal display unit (4) is in close contact with the transparent plate layer (3),
the anti-dazzle film is characterized by further comprising an anti-dazzle film (7), wherein the anti-dazzle film (7) is located between the touch film (2) and the transparent plate layer (3), the working surface of the anti-dazzle film (7) is in contact connection with the touch film (2) or the transparent plate layer (3), and the other surface, opposite to the working surface, of the anti-dazzle film (7) is in adhesive connection with the transparent plate layer (3) or the touch film (2).
2. The large-sized electronic blackboard according to claim 1, wherein: the anti-glare film (7) further comprises a base material (701), an anti-glare coating (702) coated on one surface of the base material (701), and a glue layer (703) coated on the other surface of the base material (701).
3. The large-sized electronic blackboard according to claim 1, wherein: the panel layer (1) is a toughened glass plate layer, and the transparent plate layer (3) is an acrylic plate layer.
4. A large-sized electronic blackboard according to claim 1 or 3, wherein: the thickness of the transparent plate layer (3) is 2 mm.
5. The large-sized electronic blackboard according to claim 1, wherein: the area of the transparent plate layer (3) is larger than or equal to the area of the liquid crystal display unit (4).
6. The large-sized electronic blackboard according to claim 1, wherein: the display area (401) further comprises a liquid crystal module (404) and a backlight module (405), and the respective peripheries of the liquid crystal module (404) and the backlight module (405) are nested and installed in the frame area (402).
7. The large-sized electronic blackboard according to claim 1, wherein: the panel layer (1), the touch film (2), the transparent plate layer (3) and the liquid crystal display unit (4) are fixedly installed through a frame unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897994.XU CN210072574U (en) | 2019-06-14 | 2019-06-14 | Large-size electronic blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897994.XU CN210072574U (en) | 2019-06-14 | 2019-06-14 | Large-size electronic blackboard |
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| Publication Number | Publication Date |
|---|---|
| CN210072574U true CN210072574U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920897994.XU Active CN210072574U (en) | 2019-06-14 | 2019-06-14 | Large-size electronic blackboard |
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| CN (1) | CN210072574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882616A (en) * | 2021-03-26 | 2021-06-01 | 苏州诚思数字技术有限公司 | Preparation method of zero-lamination anti-interference capacitive touch film |
| CN113359340A (en) * | 2021-05-28 | 2021-09-07 | 上海易教科技股份有限公司 | Display device and intelligent blackboard |
-
2019
- 2019-06-14 CN CN201920897994.XU patent/CN210072574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882616A (en) * | 2021-03-26 | 2021-06-01 | 苏州诚思数字技术有限公司 | Preparation method of zero-lamination anti-interference capacitive touch film |
| CN113359340A (en) * | 2021-05-28 | 2021-09-07 | 上海易教科技股份有限公司 | Display device and intelligent blackboard |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200720 Address after: 413000 west side of 1st floor, building 4, Zhongnan Kechuang Park, 355 Yingbin East Road, high tech Zone, Yiyang City, Hunan Province Patentee after: Hunan Fanpu Technology Co., Ltd Address before: 215000 C22 building, bio nano Park, 218 Xing Hu Street, Suzhou Industrial Park, Jiangsu. Patentee before: UC NANO TECHNOLOGIES Inc. |
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| TR01 | Transfer of patent right |