CN214202005U - Liquid crystal writing film capable of being erased in area, writing pad and blackboard - Google Patents
Liquid crystal writing film capable of being erased in area, writing pad and blackboard Download PDFInfo
- Publication number
- CN214202005U CN214202005U CN202021722027.9U CN202021722027U CN214202005U CN 214202005 U CN214202005 U CN 214202005U CN 202021722027 U CN202021722027 U CN 202021722027U CN 214202005 U CN214202005 U CN 214202005U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- area
- conductive
- conductive layer
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a liquid crystal writing film, a writing pad, a blackboard and a drawing board which can be erased in an area, comprising a first conducting layer, a middle liquid crystal layer and a second conducting layer which are arranged in sequence; dividing the second conductive layer into two or more conductive regions insulated from each other; the conductive areas of the first conductive layer and the second conductive layer form an erasing area together with the corresponding intermediate liquid crystal layer area at the overlapped part of the space. The utility model discloses can utilize lower cost to realize erasing to the region of writing the content, improve user's work efficiency and use and experience, also overcome the high cost that brings that the realization part that adopts etching process to make erased, improve the liquid crystal and write the commercial value of membrane and applied product.
Description
Technical Field
The utility model relates to a liquid crystal writing membrane technical field, concretely relates to liquid crystal that can regional erase writes membrane, handwriting pad and blackboard.
Background
The liquid crystal writing film, the common liquid crystal display film and the plasma display film are obviously different in liquid crystal components, working principles, application range, use modes and the like, and particularly in the aspect of writing, the common liquid crystal display film and the plasma display film cannot realize indentation writing and erase traces.
The liquid crystal writing film on the market works on the principle that the bistable property of liquid crystal is utilized to display and/or erase the writing content on the liquid crystal writing board. For example, the cholesteric liquid crystal is used as a writing film, the writing pressure trace of a writing pen is recorded by the pressure acting on a liquid crystal writing board, and the corresponding writing content is 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.
The existing product adopting the liquid crystal writing film can only realize the erasure of all handwriting in the whole liquid crystal writing board by utilizing a power-on mode when the handwriting is erased, if a user only needs to erase part of regional handwriting, the existing power-on erasing mode cannot meet the requirement, and the existing integral erasing mode can cause the loss of other information which does not need to be modified.
The writing film which is manufactured by adopting an etching process and can realize local erasing in the market at present has complex manufacturing process and high production cost, and is difficult to popularize in the market. How to implement area wiping with a low cost by using the power-on method is a problem that users are eagerly required to solve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a writing membrane that can realize regional erasing is provided, should write the membrane and utilize lower manufacturing cost can realize regional erasing.
The utility model discloses but membrane, handwriting pad, blackboard and drawing board are write to regional liquid crystal of erasing are realized through following technical scheme:
a liquid crystal writing film capable of being erased in an area comprises a first conducting layer, a middle liquid crystal layer and a second conducting layer which are sequentially arranged; the first conducting layer is of a complete structure and has no independent partition; the second conductive layer is divided into two or more conductive regions insulated from each other; the conductive areas of the first conductive layer and the second conductive layer form an erasable area together with the corresponding intermediate liquid crystal layer area at the overlapped part of the space.
Preferably, the second conductive layer is divided into two or more block-shaped conductive regions insulated from each other.
As a preferred embodiment, the conductive region of the first conductive layer includes a part of an edge of the first conductive layer; each conductive region of the second conductive layer should include at least a portion of the edge of the second conductive layer.
As a preferred technical solution, the conductive area on the first conductive layer is complete; the directions of the conductive areas on the second conductive layer are arranged in any direction; the width of each conductive area of the second conductive layer is any width, and the width of each conductive area is 1-1280 mm.
Preferably, the second conductive layer is provided on the base layer.
A liquid crystal writing pad capable of being erased in areas comprises a writing film and more than one erasing unit, and is used for controlling and realizing the erasing of each independent area of a second conducting layer.
A liquid crystal blackboard capable of being erased in areas comprises a writing film and more than one erasing unit, and is used for controlling and realizing the erasing of each independent area of a second conducting layer.
The utility model has the advantages that:
1. the utility model discloses a liquid crystal writing membrane forms the electrically conductive region of mutual insulation through cutting apart the second conducting layer, through the independent control to each electrically conductive region, realizes erasing the region of writing the content. And other areas are not affected by erasing, so that the defect that the traditional technology can only realize complete erasing is overcome, the area erasing of the written content can be realized at a lower cost, the working efficiency and the use experience of a user are improved, the high cost caused by the fact that the written content can be locally erased by adopting an etching process is also overcome, and the commercial value of the liquid crystal writing film and the application product thereof is improved.
2. The utility model discloses a cut apart the second conducting layer, realize the mutual insulation between each electrically conductive region, have with low costs, pollution-free, easy operation, yields height, regional width can adjust advantage such as at will.
3. The utility model discloses the field that can use includes: the writing board, the light energy liquid crystal writing board, the light energy large liquid crystal writing blackboard, the light energy dust-free writing board, the light energy portable blackboard, the electronic drawing board, the LCD electronic writing board, the electronic note book, the doodle board, the children writing board, the children doodle drawing board, the rubber function sketch board, the liquid crystal electronic drawing board, the color liquid crystal writing board and the like.
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 obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of a liquid crystal writing film with regional erasing function according to the present invention;
FIG. 2 is a first schematic structural diagram of a liquid crystal writing film with regional erasure function according to the present invention;
FIG. 3 is a second schematic structural view of the liquid crystal writing film with regional erasure function according to the present invention;
FIG. 4 is a third schematic structural view of the area-erasable liquid crystal writing film of the present invention;
FIG. 5 is a schematic diagram of a conductive layer structure of the liquid crystal writing film with area erasability according to the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly
In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example one
As shown in fig. 1, the liquid crystal writing film capable of being erased in an area of the present invention includes a first conductive layer, an intermediate liquid crystal layer, and a second conductive layer sequentially arranged from top to bottom; dividing the conductive layer into two or more block-shaped conductive areas insulated from each other on the second conductive layer of the writing film; as shown in fig. 5, the conductive area of the first conductive layer and the conductive area of the second conductive layer form an erasing area together with the corresponding intermediate liquid crystal layer area at the overlapped part of the space, and the width of the conductive area is 1mm-1280 mm.
When the second conductive layer is divided, the shape is not limited, and the shape of the formed conductive region is determined as needed. Preferably, the conductive layer is divided such that each conductive region includes at least a portion of an edge of the conductive layer, thereby facilitating connection of each conductive region to an external circuit structure.
FIG. 2 shows one embodiment of a writing film: the first conductive layer is not divided; the second conductive layer is divided into four conductive regions shown in the figure, each of which is irregular in shape and includes a part of the edge of the second conductive layer; the first conductive area, the second conductive area, the third conductive area and the fourth conductive area on the second conductive layer form a first local erasing area, a second local erasing area, a third local erasing area and a fourth erasing area respectively at the parts of the first conductive layer, which are overlapped with each other.
And electrically connecting each conductive area on the second conductive layer with a voltage applying device through an electrode and a corresponding lead so as to apply voltage to each conductive area. The first conductive layer is electrically connected to a voltage applying device through electrodes and corresponding leads to apply a voltage to the first conductive layer. By applying a voltage, an electric field is formed between each conductive area of the second conductive layer and the first conductive layer, and area erasure is achieved with independent control of each erased area.
Dividing the second conductive layer into block-shaped conductive regions in consideration of the processing technology of the writing film and the difficulty of the lead of the conductive region; further, the bulk conductive regions are parallel to each other. Can be transversely arranged or longitudinally arranged, thus being beneficial to improving the processing efficiency, reducing the process cost and being convenient for batch production.
FIG. 3 shows a preferred embodiment of the lateral alignment of the writing film: the second conductive layer is divided into three mutually parallel transverse block-shaped conductive regions, and the first conductive layer is not divided; the conductive region on the second conductive layer and the portion where the first conductive layer overlaps with each other form a first erasing region, a second erasing region, and a third erasing region.
Each conducting area on the second conducting layer is electrically connected with a voltage applying device through an electrode and a corresponding lead respectively so as to apply voltage to each conducting area, and the first conducting layer is electrically connected with the voltage applying device through the electrode and the corresponding lead so as to apply voltage to the first conducting layer.
And applying voltages to each conductive area on the second conductive layer and the first conductive layer respectively, so that independent electric fields can be formed in the first erasing area, the second erasing area and the third erasing area respectively, and area erasing is realized by independently controlling each erasing area.
In this embodiment, the conductive regions are only divided on the second conductive layer, and the erasing area of the formed region is determined by the conductive regions of the second conductive layer.
FIG. 4 shows a preferred embodiment of the longitudinal alignment of the writing film: the second conductive layer is divided into three mutually parallel transverse block-shaped conductive regions, and the first conductive layer is not divided; the conductive region on the second conductive layer and the portion where the first conductive layer overlaps with each other form a first erasing region, a second erasing region, and a third erasing region.
And electrically connecting each conductive area on the second conductive layer with a voltage applying device through the electrode and the corresponding lead so as to apply voltage to each conductive area. The first conductive layer is electrically connected to a voltage applying device through electrodes and corresponding wires so as to apply a voltage to the first conductive layer.
And applying voltages to each conductive area on the second conductive layer and the first conductive layer respectively, so that independent electric fields can be formed in the first erasing area, the second erasing area and the third erasing area respectively, and area erasing is realized by independently controlling each erasing area.
In this embodiment, the conductive regions are only divided on the second conductive layer, and the erasing area of the formed region is determined by the conductive regions of the second conductive layer.
Example two
The embodiment of the utility model provides a on the basis of embodiment one, further optimize the structure of writing the membrane, include: at least one of the first conductive layer and the second conductive layer is disposed on the base layer. Such as: the first conductive layer is disposed on the first substrate, or the second conductive layer is disposed on the second substrate, or both conductive layers are disposed on respective substrates.
Increase the stratum basale and can play fine bearing effect to two conducting layers, be convenient for write the overall stability of membrane structure.
EXAMPLE III
The embodiment of the utility model provides a on embodiment one or embodiment two's basis, disclose the specific application product of writing the membrane, for example:
will the utility model discloses a can realize that the liquid crystal of regional erasing writes the membrane and is applied to the board, realizes that the region of board erases the function.
Further, will the utility model discloses a can realize that liquid crystal writing membrane that region erased is applied to light energy board, light energy liquid crystal handwriting pad, the big liquid crystal of light energy blackboard of writing, the dustless board of light energy, the portable blackboard of light energy, the electronic drawing board, LCD electronic writing board, the electronic note book, scribble the board, children's handwriting pad, children scribble the drawing board, the quick-write board of eraser function, the liquid crystal handwriting pad, the liquid crystal blackboard, liquid crystal electronic drawing board or colored liquid crystal handwriting pad or other relevant products that technical personnel in the field can learn to realize the region erasing function of above-mentioned product.
Further, will the utility model discloses a can realize that regional liquid crystal writing membrane of erasing still can be applied to the liquid crystal board that can remember, realizes the function that the region of board was erased.
Similarly, the utility model discloses a can realize that regional liquid crystal writing membrane of erasing can also be applied to other light energy writing boards that have the memory function, light energy liquid crystal handwriting pad, light energy big liquid crystal writing blackboard, light energy dustless writing board, light energy portable blackboard, electronic drawing board, LCD electronic writing board, electronic handwriting board, electronic note pad, scribble board, children's handwriting board, children's drawing board of scribbling, rubber function sketch board, liquid crystal handwriting board, the liquid crystal blackboard, liquid crystal electronic drawing board or colored liquid crystal handwriting board or other relevant products that technical personnel in the field can learn to realize the regional function of erasing of above-mentioned product.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (7)
1. An area-erasable liquid crystal writing film, comprising: the liquid crystal display panel comprises a first conductive layer, an intermediate liquid crystal layer and a second conductive layer which are sequentially arranged; the first conducting layer is of a complete structure and has no independent partition; the second conductive layer is divided into two or more conductive regions insulated from each other; the conductive areas of the first conductive layer and the second conductive layer form an erasable area together with the corresponding intermediate liquid crystal layer area at the overlapped part of the space.
2. The area-erasable liquid crystal writing film according to claim 1, wherein: the second conductive layer is divided into two or more block-shaped conductive regions insulated from each other.
3. The area-erasable liquid crystal writing film according to claim 1, wherein: the conductive region of the first conductive layer comprises a portion of the edge of the first conductive layer; each conductive region of the second conductive layer should include at least a portion of the edge of the second conductive layer.
4. The area-erasable liquid crystal writing film according to claim 1, wherein: the conductive area on the first conductive layer is intact; the directions of the conductive areas on the second conductive layer are arranged in any direction; the width of each conductive area of the second conductive layer is any width, and the width of each conductive area is 1-1280 mm.
5. The area-erasable liquid crystal writing film according to claim 1, wherein: a second conductive layer is disposed on the base layer.
6. A liquid crystal handwriting board capable of being erased in area is characterized in that: comprising the writing film of any one of claims 1-5;
the liquid crystal handwriting board comprises more than one erasing unit for controlling and realizing the erasing of each independent area of the second conducting layer.
7. A liquid crystal blackboard capable of being erased in area is characterized in that: comprising the writing film of any one of claims 1-5;
the blackboard comprises more than one erasing unit for controlling and realizing the erasing of each independent area of the second conducting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021722027.9U CN214202005U (en) | 2020-08-13 | 2020-08-13 | Liquid crystal writing film capable of being erased in area, writing pad and blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021722027.9U CN214202005U (en) | 2020-08-13 | 2020-08-13 | Liquid crystal writing film capable of being erased in area, writing pad and blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214202005U true CN214202005U (en) | 2021-09-14 |
Family
ID=77628362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021722027.9U Active CN214202005U (en) | 2020-08-13 | 2020-08-13 | Liquid crystal writing film capable of being erased in area, writing pad and blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214202005U (en) |
-
2020
- 2020-08-13 CN CN202021722027.9U patent/CN214202005U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214151308U (en) | Bistable liquid crystal writing device, electronic schoolbag, liquid crystal large screen and intelligent classroom | |
| CN208834061U (en) | Cholesteric liquid crystal handwriting board device having a display function | |
| CN102955636B (en) | A kind of capacitance type in-cell touch panel and display device | |
| CN110147006B (en) | Voltage application system and method for realizing local erasing of liquid crystal writing board, liquid crystal writing film, writing board, blackboard and drawing board | |
| CN101373305B (en) | Electric paper display | |
| CN111458945B (en) | Writing device and display method thereof | |
| TWI566025B (en) | Electronic writing board | |
| CN108563049A (en) | A kind of writing film of achievable selective erase and application | |
| CN107179851A (en) | Capacitance type touch-control panel | |
| CN202887152U (en) | Capacitive embedded-in touch screen and display device | |
| CN207529068U (en) | It is a kind of can selective erase liquid crystal writing plate | |
| CN103576369A (en) | Color filter substrate and touch liquid crystal display | |
| CN211264011U (en) | Liquid crystal writing film, writing board, blackboard and drawing board capable of achieving local erasing | |
| CN108549169A (en) | Using writing film and processing technology that selective erase can be achieved made of etching technics and application | |
| CN104108266B (en) | Electronic writing board | |
| CN208367361U (en) | A kind of writing film, board, blackboard and the drawing board of achievable selective erase | |
| CN100570544C (en) | A kind of wire structures of contact panel | |
| CN208351191U (en) | Using writing film, board, blackboard and the drawing board that selective erase can be achieved made of etching technics | |
| CN111142280A (en) | Liquid crystal writing film, writing board, blackboard and drawing board capable of achieving local erasing | |
| CN107066161A (en) | Capacitance plate, liquid crystal handwriting device, touch-control display module and intelligent terminal | |
| CN214202005U (en) | Liquid crystal writing film capable of being erased in area, writing pad and blackboard | |
| CN203217513U (en) | Touch display screen and touch display device | |
| CN103576356A (en) | Production method for liquid crystal module having touch function | |
| CN111061397A (en) | Cholesteric liquid crystal writing screen capable of achieving local erasing by utilizing infrared touch technology | |
| CN103576355A (en) | Production method for liquid crystal module having touch function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |