CN216353163U - Attached liquid crystal handwriting film and handwriting display equipment - Google Patents
Attached liquid crystal handwriting film and handwriting display equipment Download PDFInfo
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- CN216353163U CN216353163U CN202122926289.8U CN202122926289U CN216353163U CN 216353163 U CN216353163 U CN 216353163U CN 202122926289 U CN202122926289 U CN 202122926289U CN 216353163 U CN216353163 U CN 216353163U
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- crystal handwriting
- handwriting film
- handwriting
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Abstract
The utility model provides an attached liquid crystal handwriting film, which comprises a liquid crystal handwriting film and a control assembly for controlling the liquid crystal handwriting film to work; the liquid crystal handwriting film comprises a front surface and a back surface, wherein the front surface is used for a user to write, and the back surface is opposite to the front surface; transparent adhesive is attached to the back surface of the liquid crystal handwriting film, the liquid crystal handwriting film can be attached to a screen of a display device through the adhesive, a user can control the liquid crystal handwriting film to be powered on or powered off through operating the control assembly, and the liquid crystal handwriting film is transparent when being powered on; the liquid crystal handwriting film is in a non-transparent state when the power is off and is used for recording and displaying a handwriting track formed by the writing operation of a user. The utility model discloses a make display device become the display device that can write by hand through the simple transformation of attached formula liquid crystal handwriting film, not only increased display device's functionality, still improved the competitiveness of the display device that can write by hand.
Description
Technical Field
The utility model relates to the field of liquid crystal handwriting films, in particular to an attached liquid crystal handwriting film and a handwriting display device.
Background
In the field of electronic products, display devices are generally used for displaying pictures and characters, and a display device for receiving a handwriting track and displaying the received handwriting track is emerging nowadays. However, in the prior art, the modification technology of the display device is complex, and the display device with the handwriting function is expensive, so that the popularization and application of the display device product capable of handwriting are not facilitated.
Therefore, how to make the display device become a display device capable of handwriting through simple modification is a problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides an attached liquid crystal handwriting film, which is attached to display equipment, is added with an application scene of the liquid crystal handwriting film, so that the attached liquid crystal handwriting film can save the installation space and simplify the installation steps, and the display equipment can be transformed into the display equipment capable of handwriting through simple transformation.
In a first aspect, an embodiment of the present invention provides an attached liquid crystal handwriting film, where the attached liquid crystal handwriting film includes a liquid crystal handwriting film and a control component for controlling the liquid crystal handwriting film to work; the liquid crystal handwriting film comprises a front surface and a back surface, wherein the front surface is used for a user to write, and the back surface is opposite to the front surface; transparent adhesive is attached to the back surface of the liquid crystal handwriting film, the liquid crystal handwriting film can be attached to a screen of a display device through the adhesive, a user can control the liquid crystal handwriting film to be powered on or powered off through operating the control assembly, and the liquid crystal handwriting film is transparent when being powered on; the liquid crystal handwriting film is in a non-transparent state when the power is off and is used for recording and displaying a handwriting track formed by the writing operation of a user.
Alternatively, when the liquid crystal handwriting film is powered on, the handwriting track is erased.
Optionally, the manipulation assembly is connected with the liquid crystal handwriting film through a cable.
Optionally, the liquid crystal handwriting film comprises a first membrane, a liquid crystal layer and a second membrane, wherein the first membrane comprises a first substrate and a first conductive layer; the second diaphragm comprises a second substrate and a second conductive layer; the liquid crystal layer is arranged between the first conductive layer and the second conductive layer.
Optionally, the attached liquid crystal handwriting film further comprises a first positive contact and a first negative contact electrically connected to the control assembly.
In a second aspect, an embodiment of the present invention provides a display device capable of handwriting, including:
a display device including a screen for displaying a picture;
the attached liquid crystal handwriting film is detachably attached to the screen and comprises a liquid crystal handwriting film and a control assembly for controlling the liquid crystal handwriting film to work; the liquid crystal handwriting film comprises a front surface and a back surface, wherein the front surface is used for a user to write, and the back surface is opposite to the front surface; transparent adhesive is attached to the back surface of the liquid crystal handwriting film, the liquid crystal handwriting film can be attached to a screen of a display device through the adhesive, a user can control the liquid crystal handwriting film to be powered on or powered off through operating the control assembly, and the liquid crystal handwriting film is transparent when being powered on; the liquid crystal handwriting film is in a non-transparent state when the power is off and is used for recording and displaying a handwriting track formed by the writing operation of a user.
Alternatively, when the liquid crystal handwriting film is powered on, the handwriting track is erased.
Optionally, the manipulation assembly is connected with the liquid crystal handwriting film through a cable.
Optionally, the liquid crystal handwriting film comprises a first membrane, a liquid crystal layer and a second membrane, wherein the first membrane comprises a first substrate and a first conductive layer; the second diaphragm comprises a second substrate and a second conductive layer; the liquid crystal layer is arranged between the first conductive layer and the second conductive layer.
Optionally, the attached liquid crystal handwriting film further comprises a first positive contact and a first negative contact electrically connected to the control assembly.
The attached liquid crystal handwriting film completes input and output, display and elimination of handwriting tracks through the cooperation of the liquid crystal handwriting film and a control assembly for controlling the liquid crystal handwriting film to work. A user can control the liquid crystal handwriting film to be powered on or powered off by operating the control assembly, and the liquid crystal handwriting film is transparent when being powered on; the liquid crystal handwriting film is non-transparent when the power is off and is used for recording and displaying a handwriting track formed by the writing operation of a user, the handwriting track can be conveniently and quickly erased, and the use experience of the user on the liquid crystal handwriting film is improved. Furthermore, the application scene of the liquid crystal handwriting film is increased for the display equipment capable of handwriting, so that the attached liquid crystal handwriting film can save the installation space and is wider in applicable occasions, the functionality of the attached liquid crystal handwriting film is increased, the competitiveness of the attached liquid crystal handwriting film is improved, and the display equipment can be changed into the display equipment capable of handwriting through simple transformation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is to be understood that the drawings in the following description are merely exemplary of the utility model and that other drawings may be derived from the structure shown in the drawings by those skilled in the art without the exercise of inventive faculty.
Fig. 1 is a schematic structural diagram of a liquid crystal attaching handwriting film according to a first embodiment of the utility model.
Fig. 2 is a schematic diagram of an internal structure of a liquid crystal handwriting film according to a first embodiment of the utility model.
Fig. 3 is a display device capable of handwriting according to a first embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of an attached liquid crystal handwriting film 100 according to a first embodiment of the present invention. The attached liquid crystal handwriting film 100 includes a liquid crystal handwriting film 210 and a control component 130 for controlling the liquid crystal handwriting film to work. The manipulation assembly 130 is connected with the liquid crystal handwriting film 210 through the cable 120. Further, the attached liquid crystal handwriting film further includes a first positive contact 201 and a first negative contact 202 electrically connected to the control assembly 130.
Referring to fig. 2, the liquid crystal handwriting film 210 may use a black matrix film, a semi-transparent matrix film, or a full-transparent matrix film. The liquid crystal handwriting film 210 can be a product with any effect handwriting, any color and any size. The liquid crystal handwriting film 210 includes a first film 2101, a liquid crystal layer 2102, and a second film 2103. First film 2101 includes first substrate 21011 and first conductive layer 21012. The second membrane 2103 includes a second substrate 21031 and a second conductive layer 21032. A liquid crystal layer 2102 is disposed between the first conductive layer 21012 and the second conductive layer 21032. In this embodiment, a positive electrode is led out from the first conductive layer 21012 to the control region 212 to form a first positive contact 201, and a negative electrode is led out from the second conductive layer 21032 to the control region 212 to form a first negative contact 202. It can be understood that the working principle of the liquid crystal handwriting film 210 is consistent with the existing liquid crystal handwriting film cleaning principle, that is, after the voltage is applied to the electrodes, the liquid crystal layer 2102 is mutually pulled to perform a turning action, and the turning action is changed, so that the intensity of light is changed, and the conductive layer drives the liquid crystal layer 2102 to clean through the voltage. That is, in this embodiment, the liquid crystal handwriting film 210 can be driven to erase by only providing the first positive contact 201 and the first negative contact 202 to receive the driving voltage required for driving the liquid crystal layer 2102 to erase from the external input, so that the voltage driving board circuit required for driving the liquid crystal layer 2102 to erase in the conventional liquid crystal handwriting device can be saved.
In the present embodiment, the liquid crystal handwriting film 210 is transparent when being powered on, and when the liquid crystal handwriting film is powered on, the handwriting track is erased. The liquid crystal handwriting film 210 is non-transparent when the power is off, and is used for recording and displaying a handwriting track formed by the writing operation of a user. Specifically, when the liquid crystal handwriting film 210 is powered off, a user writes on the liquid crystal handwriting film to leave a writing track, and when the user does not need the current writing track, the user presses a button on the control assembly 130 to power on, so that the writing track on the liquid crystal handwriting film 210 is eliminated.
In the embodiment, the liquid crystal handwriting film and the control component for controlling the liquid crystal handwriting film to work are matched to complete input and output, display and elimination of the handwriting track, a user can control the liquid crystal handwriting film to be powered on or powered off by operating the control component, and the liquid crystal handwriting film is transparent when being powered on; the liquid crystal handwriting film is non-transparent when the power is off and is used for recording and displaying a handwriting track formed by the writing operation of a user, the handwriting track can be conveniently and quickly erased, and the use experience of the user on the liquid crystal handwriting film is improved. Further, the application scene of the attached liquid crystal handwriting film is increased, so that the attached liquid crystal handwriting film can save installation space and installation steps, the display device can be changed into a display device capable of handwriting through simple transformation, and the common display device has the functions of receiving a handwriting track and displaying the received handwriting track. Not only the functionality of a general display device is increased, but also the competitiveness of a handwriting-enabled display device is improved.
Please refer to fig. 3, which is a schematic diagram of a handwriting-enabled display apparatus 500 according to a first novel embodiment of the present invention. In this embodiment, the handwriting-enabled display device 500 may be a display screen having a stand. Specifically, the schematic diagram of the handwriting-enabled display apparatus 500 includes the attached liquid crystal handwriting film 100 and the screen 200 for displaying a picture. The attached liquid crystal handwriting film 100 is detachably attached to the screen 200. The attached liquid crystal handwriting film 100 comprises a liquid crystal handwriting film 210 and a control assembly 130 for controlling the liquid crystal handwriting film to work. The manipulation assembly 130 is connected with the liquid crystal handwriting film 210 through the cable 120. Further, the attached liquid crystal handwriting film further includes a first positive contact 201 and a first negative contact 202 electrically connected to the control assembly 130.
Referring to fig. 2, the liquid crystal handwriting film 210 may use a black matrix film, a semi-transparent matrix film, or a full-transparent matrix film. The liquid crystal handwriting film 210 can be a product with any effect handwriting, any color and any size. The liquid crystal handwriting film 210 includes a first film 2101, a liquid crystal layer 2102, and a second film 2103. First film 2101 includes first substrate 21011 and first conductive layer 21012. The second membrane 2103 includes a second substrate 21031 and a second conductive layer 21032. A liquid crystal layer 2102 is disposed between the first conductive layer 21012 and the second conductive layer 21032. In this embodiment, a positive electrode is led out from the first conductive layer 21012 to the control region 212 to form a first positive contact 201, and a negative electrode is led out from the second conductive layer 21032 to the control region 212 to form a first negative contact 202. It can be understood that the working principle of the liquid crystal handwriting film 210 is consistent with the existing liquid crystal handwriting film cleaning principle, that is, after the voltage is applied to the electrodes, the liquid crystal layer 2102 is mutually pulled to perform a turning action, and the turning action is changed, so that the intensity of light is changed, and the conductive layer drives the liquid crystal layer 2102 to clean through the voltage. That is, in this embodiment, the liquid crystal handwriting film 210 can be driven to erase by only providing the first positive contact 201 and the first negative contact 202 to receive the driving voltage required for driving the liquid crystal layer 2102 to erase from the external input, so that the voltage driving board circuit required for driving the liquid crystal layer 2102 to erase in the conventional liquid crystal handwriting device can be saved.
In the present embodiment, the liquid crystal handwriting film 210 is transparent when being powered on, and when the liquid crystal handwriting film is powered on, the handwriting track is erased. The liquid crystal handwriting film 210 is non-transparent when the power is off, and is used for recording and displaying a handwriting track formed by the writing operation of a user. Specifically, when the liquid crystal handwriting film 210 is powered off, a user writes on the liquid crystal handwriting film to leave a writing track, and when the user does not need the current writing track, the user presses a button on the control assembly 130 to power on, so that the writing track on the liquid crystal handwriting film 210 is eliminated.
Since the handwriting-enabled display device 500 adopts all the technical solutions of all the embodiments described above, at least all the advantages brought by the technical solutions of the embodiments described above are achieved, and details are not described herein again.
It will be clear to those skilled in the art that for convenience and brevity of description, specific operations of the above described systems, apparatus and units may be referred to corresponding operations in the above described method embodiments. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, insofar as these modifications and variations of the utility model fall within the scope of the claims of the utility model and their equivalents, the utility model is intended to include these modifications and variations.
The above-mentioned embodiments are only examples of the present invention, which should not be construed as limiting the scope of the present invention, and therefore, the present invention is not limited by the claims.
Claims (10)
1. The attached liquid crystal handwriting film is characterized by comprising a liquid crystal handwriting film and a control assembly for controlling the liquid crystal handwriting film to work; the liquid crystal handwriting film comprises a front surface and a back surface, wherein the front surface is used for a user to write, and the back surface is opposite to the front surface; a transparent adhesive is attached to the back surface of the liquid crystal handwriting film, the liquid crystal handwriting film can be attached to a screen of a display device through the adhesive, a user can control the liquid crystal handwriting film to be powered on or powered off by operating the control assembly, and the liquid crystal handwriting film is transparent when being powered on; the liquid crystal handwriting film is in a non-transparent state when the power is off and is used for recording and displaying a handwriting track formed by the writing operation of a user.
2. The attached liquid crystal handwriting film of claim 1, wherein the handwriting track is erased when the liquid crystal handwriting film is powered on.
3. The attached liquid crystal handwriting film of claim 1, wherein the manipulation component is connected with the liquid crystal handwriting film through a cable.
4. The attached liquid crystal handwriting film of claim 1, wherein the liquid crystal handwriting film comprises a first film, a liquid crystal layer and a second film, the first film comprising a first substrate and a first conductive layer; the second diaphragm comprises a second substrate and a second conductive layer; the liquid crystal layer is arranged between the first conducting layer and the second conducting layer.
5. The attached liquid crystal handwriting film of claim 1, further comprising a first positive contact and a first negative contact electrically connected to the manipulation component.
6. A handwriting-enabled display device, characterized in that said display device comprises:
a display device including a screen for displaying a picture; and
the attached liquid crystal handwriting film is detachably attached to the screen and comprises a liquid crystal handwriting film and a control assembly for controlling the liquid crystal handwriting film to work; the liquid crystal handwriting film comprises a front surface and a back surface, wherein the front surface is used for a user to write, and the back surface is opposite to the front surface; a transparent adhesive is attached to the back surface of the liquid crystal handwriting film, the liquid crystal handwriting film can be attached to a screen of a display device through the adhesive, a user can control the liquid crystal handwriting film to be powered on or powered off by operating the control assembly, and the liquid crystal handwriting film is transparent when being powered on; the liquid crystal handwriting film is in a non-transparent state when the power is off and is used for recording and displaying a handwriting track formed by the writing operation of a user.
7. The handwriting-enabled display device of claim 6, wherein the handwriting trace is erased when the liquid crystal handwriting film is powered on.
8. The handwriting-enabled display device of claim 6, wherein the manipulation component is connected to the liquid crystal handwriting film by a cable.
9. The handwriting-enabled display device of claim 6, wherein the liquid crystal handwriting film comprises a first membrane, a liquid crystal layer, and a second membrane, the first membrane comprising a first substrate and a first conductive layer; the second diaphragm comprises a second substrate and a second conductive layer; the liquid crystal layer is arranged between the first conducting layer and the second conducting layer.
10. The handwriting-enabled display device of claim 6, wherein the attached liquid crystal handwriting film further comprises a first positive contact and a first negative contact electrically connected to the manipulation component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122926289.8U CN216353163U (en) | 2021-11-25 | 2021-11-25 | Attached liquid crystal handwriting film and handwriting display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122926289.8U CN216353163U (en) | 2021-11-25 | 2021-11-25 | Attached liquid crystal handwriting film and handwriting display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216353163U true CN216353163U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122926289.8U Active CN216353163U (en) | 2021-11-25 | 2021-11-25 | Attached liquid crystal handwriting film and handwriting display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216353163U (en) |
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2021
- 2021-11-25 CN CN202122926289.8U patent/CN216353163U/en active Active
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