CN216210974U - Electromagnetic screen liquid crystal handwriting board - Google Patents
Electromagnetic screen liquid crystal handwriting board Download PDFInfo
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- CN216210974U CN216210974U CN202122466733.2U CN202122466733U CN216210974U CN 216210974 U CN216210974 U CN 216210974U CN 202122466733 U CN202122466733 U CN 202122466733U CN 216210974 U CN216210974 U CN 216210974U
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Abstract
The utility model discloses an electromagnetic screen liquid crystal handwriting board which comprises a bottom shell, a surface cover arranged on the bottom shell, a liquid crystal film paved on the surface cover, and an electromagnetic screen arranged on the bottom shell and connected with intelligent terminal equipment, wherein an electromagnetic induction unit for acquiring handwriting information of an electromagnetic pen through electromagnetic induction is arranged in the electromagnetic screen, and the electromagnetic screen can transmit the handwriting information to the intelligent terminal equipment, so that the intelligent terminal equipment displays or stores the handwriting. Compared with the prior art, the utility model can not only write in the liquid crystal handwriting area, but also obtain the handwriting information through the electromagnetic screen to the intelligent terminal device for storage or further modification and adjustment.
Description
Technical Field
The utility model relates to the technical field of handwriting boards, in particular to an electromagnetic screen liquid crystal handwriting board.
Background
In a conventional writing mode, a pen is usually used to write contents on a paper carrier for recording, such as drawing, note taking and the like. The writing mode using the paper carrier has free writing and good hand feeling, but the content is not easy to store, and is particularly not favorable for storing into an electronic format. For the written content written on the paper carrier, if the written content is to be stored in an electronic format, the written content is usually required to be photographed and stored in a picture format, and the storage mode can only store the content as a whole, but is not favorable for extracting the written content to edit and apply again.
With the progress of science and technology, people gradually use electronic writing to replace paper writing. It has different advantages and disadvantages for different electronic writing media. Common electronic writing media mainly comprise an electromagnetic screen, a resistance screen, a capacitance screen and a firefly phase liquid crystal handwriting screen.
The resistance screen and the capacitance screen can display writing contents in real time, can also conveniently store writing tracks, are convenient to use, but have high cost, can be generally developed into a tablet personal computer, a mobile phone and the like which have more comprehensive functions to use, and can be rarely developed into a device specially used for handwriting recording or drawing.
Electromagnetic screen and courage firefly looks liquid crystal handwriting screen, its cost is lower, and present wide application is in the field of writing note or drawing. For the electromagnetic screen, the position information of the electromagnetic pen is acquired mainly through electromagnetic induction between the electromagnetic pen and the electromagnetic screen, and writing handwriting is formed through calculation. The electromagnetic screen cannot present the handwriting in real time, so that the handwriting is not visual enough, but the handwriting of the electromagnetic pen can be acquired and displayed on a display terminal, such as a computer display, so that the electromagnetic screen is widely applied to a hand drawing board and is mainly used for drawing collection line drawings. The gallbladder-phase liquid crystal handwriting board is low in power consumption, can present writing handwriting due to pressure, and can present the writing handwriting in real time, but the writing handwriting is presented through the gallbladder-phase liquid crystal pressure sensing, so that the writing handwriting cannot be extracted into electronic data to be stored, and further application cannot be performed on the basis.
Therefore, how to design an electromagnetic screen liquid crystal handwriting pad which can be written by the handwriting pad and can be displayed and stored by the intelligent terminal device is a technical problem to be solved urgently in the industry.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electromagnetic screen liquid crystal handwriting board, which aims to solve the problems that an electronic handwriting board in the prior art is single in function and cannot display handwriting in real time or extract handwriting for storage.
The technical scheme includes that the electromagnetic screen liquid crystal handwriting board comprises a bottom shell and a face cover mounted on the bottom shell, a liquid crystal film is paved on the face cover and can present handwriting under the action of pressure, the electromagnetic screen is arranged on the bottom shell and connected with intelligent terminal equipment, an electromagnetic induction unit for acquiring handwriting information of an electromagnetic pen through electromagnetic induction is arranged in the electromagnetic screen, and the electromagnetic screen can transmit the handwriting information to the intelligent terminal equipment so that the intelligent terminal equipment can display or store the handwriting.
Further, the liquid crystal film comprises a first base film layer, a liquid crystal composite layer and a second base film layer which are sequentially arranged;
the first base film layer comprises a first substrate and a first coating which are sequentially arranged;
the second base film layer comprises a second substrate and a second plating layer which are arranged in sequence.
Further, an anti-UV blocking agent is distributed in the first substrate.
Further, still including locating the decoration is covered to the face of electromagnetic screen top, set up at least one mounting groove that is used for installing the image processing button on the decoration is covered to the face, the image processing button is used for revising or preserving the writing handwriting information of electromagnetic screen with intelligent terminal equipment cooperation.
Further, the image processing key includes: a combination key to the left, a combination key to the right, and an erase key to erase handwriting.
Further, the mounting grooves are symmetrically arranged on the face cover decorating part.
Further, the electromagnetic screen liquid crystal handwriting board comprises at least one pair of foot pads arranged below the bottom shell and used for supporting the electromagnetic screen liquid crystal handwriting board, and the foot pads are fixed below the bottom shell through back glue.
The liquid crystal display device further comprises a driving module arranged on the face cover, and the driving module is used for clearing or keeping handwriting on the liquid crystal film.
Furthermore, the driving module comprises a battery, a panel locking switch, a panel clearing switch and a circuit board, and the panel locking switch or the panel clearing switch is controlled to act by electrifying or powering off.
Further, still including installing in the pen socket of drain pan side, the pen socket is used for placing electromagnetic pen.
Compared with the prior art, the utility model has at least the following beneficial effects:
the liquid crystal film area is a handwriting board area, handwriting can be displayed in real time, the electromagnetic screen is arranged above the handwriting board area, handwriting information of the electromagnetic pen can be acquired through the electromagnetic induction unit and transmitted to the intelligent terminal device to be displayed and stored, the advantages of the electronic handwriting board and the electromagnetic board are integrated, the functions are rich, the use is convenient, and the practicability is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is an exploded view of an electromagnetic screen liquid crystal handwriting pad of the utility model;
FIG. 2 is a schematic view showing the structure of a liquid crystal film according to the present invention;
wherein, 1 is a face cover decoration, 2 is a right combination key, 3 is a Shift key, 4 is a left combination key, 5 is a Ctrl key, 6 is an erasing key, 7 is an erasing key decoration, 8 is an electromagnetic pen, 9 is a pen cap, 10 is an electromagnetic screen, 11 is a fixing screw, 12 is a liquid crystal film, 13 is a face cover, 14 is a bottom case, 15 is a back glue, 16 is a foot pad, 121 is a first substrate, 122 is a first plating layer, 123 is a liquid crystal composite layer, 124 is a second plating layer, and 125 is a second substrate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Thus, a feature indicated in this specification will serve to explain one of the features of one embodiment of the utility model, and does not imply that every embodiment of the utility model must have the stated feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
In the prior art, the liquid crystal handwriting board has a single function, and either the handwriting can not be displayed in real time or can not be extracted for storage.
Referring to fig. 1, the electromagnetic screen liquid crystal handwriting board provided by the utility model comprises a bottom case 14 and a surface cover 13 installed on the bottom case 14, wherein a liquid crystal film 12 is laid on the surface cover 13, the liquid crystal film 12 can present handwriting under the action of pressure and is used for presenting the handwriting of an electromagnetic pen 8 in real time, an electromagnetic screen 10 is also installed on the bottom case 14, an electromagnetic induction unit is arranged in the electromagnetic screen 10, when the electromagnetic pen 8 is used for writing, the electromagnetic induction unit can detect the handwriting information of the electromagnetic pen 8, the other end of the electromagnetic screen 10 is connected with an intelligent terminal device and is used for transmitting the handwriting information to the intelligent terminal device, so that the intelligent terminal device displays corresponding handwriting information and stores or further modifies the corresponding handwriting information.
In the utility model, the electromagnetic screen 10 and the intelligent terminal equipment are connected in a wired mode, and the transmission of handwriting information is realized by arranging the USB port which is butted with the intelligent terminal equipment on the electromagnetic screen 10. In other embodiments of the present invention, the electromagnetic screen 10 may also transmit data to the intelligent terminal device in a wireless connection manner through WIFI, bluetooth, or the like, so as to further improve convenience of use.
Referring to fig. 2, the liquid crystal film 12 of the present invention includes a first base film layer, a liquid crystal composite layer 123, and a second base film layer sequentially disposed. The first base film layer is a handwriting surface and comprises a first substrate 121 and a first plating layer 122 which are sequentially arranged, the first substrate 121 can be made of PET, and the first plating layer 122 is a conductive layer; the second base film layer includes a second plating layer 124 and a second substrate 125, which are sequentially disposed, the second substrate 125 may be made of PET, and the second plating layer 124 is a conductive layer.
When the electromagnetic pen 8 writes on the first base film layer, the arrangement direction of the liquid crystal molecules in the liquid crystal composite layer 123 is changed correspondingly under the action of the current, so that different colors such as darkening and red light are presented, and writing handwriting is presented. Compared with a gall-glowworm-phase liquid crystal handwriting screen, the liquid crystal film 12 has higher sensitivity during writing, and user experience is improved.
The first substrate 121 is distributed with an anti-UV blocking agent, and the anti-UV blocking agent can be used for placing ultraviolet radiation to prevent the liquid crystal film 12 from aging and yellowing, so that the service life of the handwriting board is prolonged.
In order to facilitate the modification of the handwriting on the liquid crystal film 12, the utility model is further provided with a driving module for controlling the removal or retention of the handwriting on the liquid crystal film 12, and the driving module is arranged on the surface cover and is arranged on the side opposite to the liquid crystal film 12.
Specifically, the liquid crystal film 12 includes a battery, a panel lock switch, a panel clear switch, and a circuit board, and controls the panel lock switch or the panel clear switch to operate by turning on or off the power.
The battery provides voltage for the circuit board, when the panel clearing switch is started, the circuit board outputs current to the liquid crystal film 12 through the conducting wire, so that potential difference is formed between the first base film layer and the second base film layer, liquid crystal molecules in the liquid crystal composite layer 123 are rearranged, and the liquid crystal film 12 is restored to the initial state. When the panel locking switch is turned on, the circuit on the circuit board can be disconnected, so that the panel clearing switch cannot output current to the liquid crystal film 12 through the conducting wire, and writing handwriting on the liquid crystal film 12 is reserved.
Be equipped with face lid decoration 1 above electromagnetic screen 10, it covers electromagnetic screen 10 in order to promote the impression effect, offers at least one mounting groove that is used for installing the image processing button on face lid decoration 1. After the electromagnetic screen 10 is connected with the intelligent terminal device, the image processing key can be matched with the intelligent terminal device to modify or store handwriting information.
Specifically, the image processing keys include a left combination key 4, a right combination key 2 and an erasing key 6, the left combination key 4 includes a button for left adjustment, a Ctrl key 5 and an Alt key, and the right combination key 2 includes a button for right adjustment and a Shift key 3. The Ctrl key 5, the Alt key and the Shift key 3 correspond to keys on the intelligent terminal device, and handwriting information on the intelligent terminal device can be directly modified or stored through image processing keys on the face cover decorating part 1. The erasing key 6 is also provided with an erasing key decoration 7, so that the aesthetic effect of the erasing key is further improved.
Further, the mounting grooves are symmetrically arranged on the surface cover decorating part 1 to improve the attractive effect. Still be equipped with the callus on the sole 16 that is used for supporting electromagnetic screen liquid crystal handwriting pad in drain pan 14 below, it is equipped with at least a pair of stability in order to guarantee electromagnetic screen liquid crystal handwriting pad, and callus on the sole 16 passes through gum 5 to be fixed in the below of drain pan 14.
The pen cap 9 is arranged on the side face of the bottom shell 14, the pen cap 9 is fixed on the bottom shell 14 through screws, and the electromagnetic pen 8 is placed in the pen cap, so that the electromagnetic pen is convenient to take and place.
Compared with the prior art, the utility model can display the handwriting in real time through the liquid crystal film 12, can also acquire the handwriting information through the electromagnetic screen 10, transmits the handwriting information to the intelligent terminal equipment for storage or further modification, and simultaneously takes the advantages of the liquid crystal handwriting board and the electromagnetic screen into consideration, thereby having rich functions and convenient use.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An electromagnetic screen liquid crystal handwriting board comprises a bottom shell and a surface cover arranged on the bottom shell, wherein a liquid crystal film is laid on the surface cover and can present handwriting under the action of pressure;
the liquid crystal film comprises a first base film layer, a liquid crystal composite layer and a second base film layer which are sequentially arranged;
the first base film layer comprises a first substrate and a first coating which are sequentially arranged;
the second base film layer comprises a second substrate and a second plating layer which are arranged in sequence.
2. The electromagnetic screen liquid crystal writing pad of claim 1, wherein the first substrate has a UV blocking resistant agent distributed therein.
3. The electromagnetic screen liquid crystal handwriting board of claim 1, further comprising a face cover decoration disposed above the electromagnetic screen, wherein the face cover decoration is provided with at least one mounting groove for mounting an image processing key, and the image processing key is used for modifying or storing handwriting information of the electromagnetic screen in cooperation with an intelligent terminal device.
4. The electromagnetic screen liquid crystal writing pad of claim 3, wherein the image processing key comprises: a combination key to the left, a combination key to the right, and an erase key to erase handwriting.
5. The electromagnetic screen liquid crystal writing pad of claim 4, wherein the mounting slots are symmetrically disposed on the cover decoration.
6. The electromagnetic screen liquid crystal handwriting board of claim 1, further comprising at least one pair of foot pads disposed below the bottom case for supporting the electromagnetic screen liquid crystal handwriting board, wherein the foot pads are fixed below the bottom case by a back adhesive.
7. The electromagnetic screen liquid crystal handwriting board of claim 1, further comprising a driving module arranged on the face cover, wherein the driving module is used for clearing or retaining handwriting on the liquid crystal film.
8. The electromagnetic screen liquid crystal handwriting board of claim 7, wherein said driving module comprises a battery, a panel locking switch, a panel clearing switch and a circuit board, and the panel locking switch or the panel clearing switch is controlled to act by powering on or powering off.
9. The electromagnetic screen liquid crystal writing pad of claim 1, further comprising a pen cap mounted on a side of the bottom case, the pen cap being used for placing an electromagnetic pen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122466733.2U CN216210974U (en) | 2021-10-13 | 2021-10-13 | Electromagnetic screen liquid crystal handwriting board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122466733.2U CN216210974U (en) | 2021-10-13 | 2021-10-13 | Electromagnetic screen liquid crystal handwriting board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216210974U true CN216210974U (en) | 2022-04-05 |
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ID=80866016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122466733.2U Active CN216210974U (en) | 2021-10-13 | 2021-10-13 | Electromagnetic screen liquid crystal handwriting board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216210974U (en) |
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2021
- 2021-10-13 CN CN202122466733.2U patent/CN216210974U/en active Active
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