CN213122513U - Liquid crystal writing device, liquid crystal writing board and drawing board - Google Patents

Abstract

The utility model discloses a liquid crystal writing device, liquid crystal clipboard and drawing board, include: the writing layer, the liquid crystal layer and the protective layer are arranged from top to bottom in sequence; the whole writing layer, the liquid crystal layer and the protective layer are fixed by a frame; the liquid crystal layer includes a liquid crystal monolayer of at least one color. The utility model discloses beneficial effect: the utility model discloses write the panel with the help of the foreign object and exert pressure and just can produce the pattern to the liquid crystal, the material formula of liquid crystal has been mixed and has been added the material that can improve liquid crystal luminance and show, can realize high bright demonstration, convenient easy-to-use.

Description

Liquid crystal writing device, liquid crystal writing board and drawing board

Technical Field

The utility model relates to a liquid crystal writing technical field especially relates to a liquid crystal writing device, liquid crystal clipboard and drawing board.

Background

The liquid crystal writing board on the market at present has the working principle that the bistable characteristic of liquid crystal is utilized to display and/or erase the writing content on the liquid crystal writing board. For example, cholesteric liquid crystal is used as a writing film, the writing pressure track of a writing pen is recorded by changing the liquid crystal state at a pen point through the pressure acting on a liquid crystal writing board, and then corresponding writing contents are displayed; the cholesteric liquid crystal structure is changed by applying an electric field, so that the writing pressure track on the liquid crystal writing board disappears to realize erasing.

Along with the modernization of education and teaching, the liquid crystal writing board is more and more common to be used in class as a novel product to replace a traditional blackboard. The liquid crystal writing board has the characteristics of dust and ink free, no consumption of consumables and environmental protection. The application range of the liquid crystal writing board is also expanded from the single classroom teaching field to the scenes of business office, public scene bulletin boards and the like.

However, the existing liquid crystal writing board in the market has single color, can only be used for ordinary writing, cannot perfectly present the extended functions of calligraphy practice, drawing and the like, and limits the application field of the liquid crystal writing board.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a liquid crystal writing device, liquid crystal clipboard and drawing board can realize functions such as clipboard, drawing board simultaneously.

In order to achieve the above object, according to a first aspect of the present invention, there is disclosed a liquid crystal writing apparatus comprising: the writing layer, the liquid crystal layer and the protective layer are arranged from top to bottom in sequence; the whole writing layer, the liquid crystal layer and the protective layer are fixed by a frame; the liquid crystal layer includes a liquid crystal monolayer of at least one color.

As a further scheme, each liquid crystal single layer is connected with a voltage driving circuit, and the voltage driving circuit applies voltage to the liquid crystal single layer to enable the liquid crystal single layer to show a transparent effect.

As a further proposal, the liquid crystal single layer comprises a material capable of improving the brightness display of the liquid crystal.

As a further scheme, the method further comprises the following steps: a writing pen.

As a further aspect, the writing pen includes: the pen head and the pen body are connected with each other.

As a further scheme, the pen point of the writing pen is made of soft materials.

As a further scheme, the pen body is made of hard materials.

As a further alternative, the size of the liquid crystal writing device is set as desired.

According to a second aspect of the present invention, a liquid crystal writing board is disclosed, comprising the above liquid crystal writing device.

According to the utility model discloses a drawing board is disclosed to the third aspect, write the device including foretell liquid crystal.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses write the panel with the help of the foreign object and exert pressure and just can produce the pattern to the liquid crystal, the material formula of liquid crystal has been mixed and has been added the material that can improve liquid crystal luminance and show, can realize high bright demonstration, convenient easy-to-use.

(2) The utility model discloses the display area can be the monochromatic demonstration, also can realize polychrome demonstration, conveniently is used for the drawing of scribbling.

(3) The utility model discloses a writing pen, through nib contact liquid crystal writing panel and exert pressure, just can produce the handwriting, the increase of pressure with reduce the deformation degree that can change the nib and form the handwriting that the thickness is different to can form different pen points of a knife or a sword, realize the effect of calligraphy and drawing.

Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic structural view of a liquid crystal writing device disclosed in an embodiment of the present invention;

FIG. 2 is a schematic view of a writing pen structure disclosed in an embodiment of the present invention;

the pen comprises a frame 1, a frame corner 2, a battery box arranged on the side 3, a backboard 4, an interlayer 5, a panel 6, a pen point 7, a pen body 8 and a spare pen point 9.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Example one

In one or more embodiments, a liquid crystal writing apparatus is disclosed, with reference to fig. 1, including: the panel 6, the interlayer 5 and the back plate 4 are arranged from top to bottom in sequence; wherein, the panel 6, the interlayer 5 and the back plate 4 are sequentially overlapped and then integrally fixed by the frame 1. In this embodiment, the frame 1 is composed of four parts, which respectively correspond to four sides of the writing device, the parts are connected and fixed by frame corners 2, and the side battery box 3 is arranged on the frame 1 on one side, and comprises a clearing button, a locking button, a USB charging port, a power indicator light and the like.

In this embodiment, the front panel 6 is a writing layer, the interlayer 5 is a liquid crystal layer, and the back panel 4 is a protective layer;

the writing layer can realize the writing display function, the liquid crystal layer of the embodiment is a liquid crystal layer composite layer and comprises a plurality of liquid crystal single layers with different colors from top to bottom, each liquid crystal single layer is respectively connected with the voltage driving circuit, the voltage driving circuit is used for respectively controlling the different liquid crystal layers, the liquid crystal single layer driven by applied voltage can achieve the transparent effect, the liquid crystal single layer not driven by applied voltage can keep the original color of the liquid crystal layer, and the color of the liquid crystal can be presented during writing; when writing, the effect of multi-color display can be achieved by driving different liquid crystal layers with voltage.

It should be noted that each liquid crystal single layer may be selected to be connected to one voltage driving circuit, or a plurality of liquid crystal single layers may be selected to be connected to one voltage driving circuit in common, and voltage control for each liquid crystal single layer is realized by the voltage driving circuit.

When the liquid crystal writing device is designed to display in multiple colors, handwriting with different colors can be written in different writing areas in the writing or drawing process, and the function and the interestingness of the liquid crystal writing board are improved.

Of course, the liquid crystal layer may also be designed to display only one color.

The protective layer functions to protect the writing layer and the liquid crystal layer.

In this embodiment, the sizes of the frame 1, the face plate 6, the interlayer 5 and the back plate 4 of the liquid crystal writing board are not limited, and can be designed according to actual needs.

As an alternative embodiment, a material capable of improving the brightness of the liquid crystal display is added in each liquid crystal single layer, so that the high-brightness display of the liquid crystal writing device is realized, and the use experience is improved.

In another writing embodiment, the liquid crystal writing apparatus further comprises: referring to fig. 2, the writing pen is composed of a pen point 7 and a pen body 8, wherein the pen point 7 is made of soft materials, and the soft materials can be soft wear-resistant materials such as silica gel and rubber; the pen body 8 is made of hard materials, and the pen point 7 and the pen body 8 can be connected through threads.

The pen point is in contact with the panel 6 and pressure is applied to generate handwriting, and the pen point is made of soft materials, so that the deformation degree of the pen point can be changed by increasing and decreasing the pressure, the handwriting with different thicknesses can be formed, and different pen points can be formed, and the calligraphy and painting effects can be realized.

As an alternative embodiment, the other end of the pen body 8 opposite to the pen point 7 is provided in the shape of a pen point, and can also be used as a spare pen point 9 for writing.

Example two

In one or more embodiments, a writing tablet is disclosed that employs the liquid crystal writing apparatus of example one; the writing board can be used for normal writing display and calligraphy practice; can realize multicolor display and can also realize the conversion of handwriting with different thicknesses.

In other embodiments, a drawing board is disclosed that employs the liquid crystal writing apparatus of example one; can realize multicolor display and can also realize the conversion of handwriting with different thicknesses.

In addition, the liquid crystal writing board or the liquid crystal drawing board described in the present embodiment may be any one currently available in the market: the liquid crystal writing board can be a product with a liquid crystal writing board surface, such as a light energy writing board, a light energy liquid crystal writing board, a light energy large liquid crystal writing blackboard, a light energy dust-free writing board, a light energy portable blackboard, an electronic drawing board, an LCD electronic writing board, an electronic notebook, a doodle board, an eraser function sketch board, a liquid crystal electronic drawing board or a color liquid crystal writing board.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (10)

1. A liquid crystal writing apparatus, comprising: the writing layer, the liquid crystal layer and the protective layer are arranged from top to bottom in sequence; the whole writing layer, the liquid crystal layer and the protective layer are fixed by a frame; the liquid crystal layer includes a liquid crystal monolayer of at least one color.

2. The liquid crystal writing apparatus of claim 1, wherein each liquid crystal single layer is connected to a voltage driving circuit, and the voltage driving circuit applies a voltage to the liquid crystal single layer to enable the liquid crystal single layer to exhibit a transparent effect.

3. The liquid crystal writing apparatus of claim 1, wherein the liquid crystal single layer includes a material capable of enhancing a brightness display of the liquid crystal.

4. A liquid crystal writing apparatus as defined in claim 1, further comprising: a writing pen.

5. The liquid crystal writing apparatus of claim 4, wherein the writing pen comprises: the pen head and the pen body are connected with each other.

6. The liquid crystal writing instrument of claim 5, wherein the writing pen tip is soft.

7. The liquid crystal writing instrument of claim 5, wherein the pen body is a hard material.

8. The liquid crystal writing apparatus of claim 1, wherein the liquid crystal writing apparatus is sized as desired.

9. A liquid crystal writing board comprising the liquid crystal writing apparatus according to any one of claims 1 to 8.

10. A drawing board comprising the liquid crystal writing apparatus of any one of claims 1 to 8.

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