CN209946854U

CN209946854U - Novel transparent handwriting board device

Info

Publication number: CN209946854U
Application number: CN201820318431.6U
Authority: CN
Inventors: 李文刚
Original assignee: Jiangxi Era Zhi Guang Industrial Co Ltd
Current assignee: Jiangxi Era Zhi Guang Industrial Co Ltd
Priority date: 2018-03-08
Filing date: 2018-03-08
Publication date: 2020-01-14
Anticipated expiration: 2028-03-08

Abstract

The utility model discloses a novel transparent handwriting pad device, including the liquid crystal membrane of writing by hand, the frame is installed to the liquid crystal membrane upside of writing by hand, the bottom plate shell is installed to the liquid crystal membrane lower extreme of writing by hand, bottom plate shell internally mounted has the circuit board module, is provided with the clear button in the circuit board module. The utility model discloses, rational in infrastructure, the modern design can clear away the screen content completely, and high-end, intelligence, simply press simultaneously and can clear away, and the environmental protection conveniently carries, and the practicality is strong.

Description

Novel transparent handwriting board device

Technical Field

The utility model relates to a liquid crystal display technology field specifically is a novel transparent handwriting pad device.

Background

At present, writing contents of handwriting boards in the market are removed by sliding the handwriting boards from left to right through a guide rail after writing is finished, and the handwriting boards have the following defects in the using process: 1. is not environment-friendly; 2. the installation is simple and no intelligent effect exists; 3. the cleaning is not clean and troublesome; 4. is not easy to carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel transparent handwriting pad device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel transparent handwriting pad device, includes the liquid crystal membrane of writing by hand, the frame is installed to liquid crystal membrane upside of writing by hand, the bottom plate shell is installed to liquid crystal membrane lower extreme of writing by hand, bottom plate shell internally mounted has the circuit board module, is provided with the clear button in the circuit board module.

As a further aspect of the present invention: the liquid crystal handwriting film comprises a polymer liquid crystal composition layer, wherein a first ITO conducting layer, a first PET layer and a first PE protection film layer are sequentially bonded on the upper side of the polymer liquid crystal composition layer, and a second ITO conducting layer, a second PET layer and a second PE protection film layer are sequentially bonded on the lower side of the polymer liquid crystal composition layer.

As a further aspect of the present invention: the polymer liquid crystal composition layer is a mixture of liquid crystals, spacer particles and glue.

As a further aspect of the present invention: the first ITO conducting layer is one of ITO conducting glass and an ITO conducting film, and the second ITO conducting layer is one of ITO conducting glass and an ITO conducting film.

As a further aspect of the present invention: the liquid crystal handwriting film is electrically connected with the circuit board module.

As a further aspect of the present invention: the upper frame is buckled with the bottom plate shell, and a clearing button through hole is formed in the upper frame.

As a further aspect of the present invention: the circuit board module is fixed on the bottom plate shell through screws or buckles.

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

the novel transparent handwriting board device is reasonable in structure, novel in design, capable of completely removing screen content, high-end, intelligent, simple and capable of being removed by pressing once, environment-friendly, convenient to carry and high in practicability.

Drawings

Fig. 1 is a schematic structural diagram of a novel transparent handwriting board device.

Fig. 2 is a schematic structural diagram of a liquid crystal handwriting film in a novel transparent handwriting board device.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 and 2, in an embodiment of the present invention, a novel transparent handwriting pad device includes a liquid crystal handwriting pad 1, the liquid crystal handwriting pad 1 includes a polymer liquid crystal composition layer 14, the polymer liquid crystal composition layer 14 is a mixture of liquid crystal, spacer particles and glue, a first ITO conductive layer 13, a first PET layer 12 and a first PE protective film layer 11 are sequentially bonded on an upper side of the polymer liquid crystal composition layer 14, a second ITO conductive layer 15, a second PET layer 16 and a second PE protective film layer 17 are sequentially bonded on a lower side of the polymer liquid crystal composition layer 14, the first ITO conductive layer 13 is one of ITO conductive glass and ITO conductive film, the second ITO conductive layer 15 is one of ITO conductive glass and ITO conductive film, an upper frame 2 is installed on an upper side of the liquid crystal handwriting pad 1, a bottom board housing 3 is installed at a lower end of the liquid crystal handwriting pad 1, a circuit board module 4 is installed inside the bottom board housing 3, the circuit board module 4 is fixed on the bottom plate shell 3 through screws or buckles, a clearing button 5 is arranged on the circuit board module 4, the liquid crystal handwriting film 1 is electrically connected with the circuit board module 4, the upper frame 2 is buckled on the bottom plate shell 3, and a clearing button through hole is formed in the upper frame.

The utility model discloses a theory of operation is: when in writing, a pen or a finger applies pressure on the surface of the liquid crystal handwriting film 2, the arrangement of the polymer liquid crystal composition layer 14 is changed, and visible light is converted into scattered light, so that the written part generates different colors from other parts, and human eyes can recognize the writing track; when writing is stopped and handwriting needs to be cleared, the clearing button is pressed, the circuit board module 4 is driven to enable the upper and lower conducting layers of the polymer liquid crystal composition layer 14, namely the first ITO conducting layer 13 and the second ITO conducting layer 15, which are electrically connected with the circuit board module 4 to be electrified, so that the polymer liquid crystal composition layer 14 is changed into a transparent stable state, the written handwriting returns to the same color as other places, and the effect of eliminating the written handwriting is achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel transparent handwriting pad device, its characterized in that, includes liquid crystal handwriting membrane (1), frame (2) are installed to liquid crystal handwriting membrane (1) upside, bottom plate shell (3) are installed to liquid crystal handwriting membrane (1) lower extreme, bottom plate shell (3) internally mounted has circuit board module (4), is provided with on circuit board module (4) and clears away button (5).

2. The novel transparent handwriting pad device according to claim 1, wherein said liquid crystal handwriting pad (1) comprises a polymer liquid crystal composition layer (14), a first ITO conductive layer (13), a first PET layer (12) and a first PE protective film layer (11) are sequentially bonded on the upper side of said polymer liquid crystal composition layer (14), and a second ITO conductive layer (15), a second PET layer (16) and a second PE protective film layer (17) are sequentially bonded on the lower side of said polymer liquid crystal composition layer (14).

3. A novel transparent handwriting pad device according to claim 2, characterized in that the first ITO conductive layer (13) is one of ITO conductive glass and ITO conductive film, and the second ITO conductive layer (15) is one of ITO conductive glass and ITO conductive film.

4. The novel transparent handwriting pad device according to claim 1, wherein said liquid crystal handwriting film (1) is electrically connected with said circuit board module (4).

5. The novel transparent handwriting pad device according to claim 1, wherein said upper frame (2) is fastened to said bottom plate housing (3) and has a clear button through hole.

6. A novel tablet device according to claim 1, wherein the circuit board module (4) is fixed to the bottom shell (3) by screws or snaps.