CN218525094U

CN218525094U - Electronic painting device

Info

Publication number: CN218525094U
Application number: CN202222756273.1U
Authority: CN
Inventors: 林国元; 杨孟翎; 林姵妤; 谢宗霖; 贺立夫; 郑于均
Original assignee: Hannstar Display Corp
Current assignee: Hannstar Display Corp
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-02-24
Anticipated expiration: 2032-10-19
Also published as: DE202023101261U1

Abstract

The utility model discloses an electronic painting device, it includes reflective display panel, hand-write touch-control sensing structure, processing unit and memory cell. The reflective display panel is used for displaying pictures by reflecting external light, the handwriting touch sensing structure is arranged on the reflective display panel, and the storage unit is electrically connected with the reflective display panel and the handwriting touch sensing structure and used for storing drawing results.

Description

Electronic painting device

Technical Field

The utility model relates to an electron drawing device especially relates to an electron drawing device with eyeshield effect and have painting and store function.

Background

In traditional drawing device, the user can only draw with the predetermined colour of drawing device. For example, a conventional monochrome drawing device (e.g., a black and white drawing device) can only draw in a single color. For example, another conventional drawing device has a plurality of regions, each of which corresponds to a predetermined color, and the colors of the regions may be the same or different, so that the drawing has different colors in different regions. Therefore, when a user uses a conventional painting device to paint, the user is difficult to draw and use colors at will, which limits the painting. In addition, the conventional painting device does not have a function of storing paintings.

On the other hand, when the user is using the drawing device to draw, often can watch the drawing device for a long time, leads to user's eyes tired easily, even myopia. Accordingly, there have been efforts to develop a painting device having an eye-protecting effect, a painting storage function, and/or an excellent painting function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic painting device, it is through reflecting external light and as the light of display screen to store the painting through the memory cell, so that electronic painting device has eyeshield effect and good drawing function.

In order to solve the technical problem, the utility model provides an electronic painting device, it includes reflective display panel, writes by hand touch-control sensing structure, processing unit and memory cell. The reflective display panel is used for displaying a picture by reflecting external light, the handwriting touch sensing structure is arranged on the reflective display panel, and the storage unit is electrically connected with the reflective display panel and the handwriting touch sensing structure and used for storing a drawing result.

In an embodiment of the present invention, wherein the reflective display panel includes: a first substrate; the second substrate is arranged opposite to the first substrate; a display medium layer disposed on the first substrate

A plate and the second substrate; and a light reflecting layer disposed between the first and second substrates, wherein the light reflecting layer reflects the reflected light of the external light to display

And (6) displaying pictures.

In an embodiment of the present invention, the reflective display panel is a reflective color display panel.

In an embodiment of the present invention, wherein the electronic drawing device does not have a shooting element. 0 in an embodiment of the present invention, wherein the electronic drawing device has a sound playing element,

and the electronic painting device does not have a sound receiving element.

In an embodiment of the invention, wherein the electronic drawing device does not have a wireless communication element.

In an embodiment of the present invention, the electronic painting device further includes a support frame for supporting the electronic painting device to stand upright or tilt.

In an embodiment of the present invention, the touch sensing structure further comprises a touch pen, wherein the touch sensing structure is used for sensing the touch pen.

In an embodiment of the present invention, the touch sensing device further includes a cover plate, wherein the handwriting touch sensing structure is disposed between the reflective display panel and the cover plate.

0 in an embodiment of the present invention, wherein, further comprising: a processing unit electrically connected to the counter

The shooting type display panel, the handwriting touch sensing structure and the storage unit are arranged in the handwriting touch sensing structure; and the processing unit and the storage unit are arranged on the circuit board, and the reflective display panel is arranged between the handwriting touch sensing structure and the circuit board.

The utility model discloses an electronic painting device can have advantages such as lightweight, thinization, low power consumption and eyeshield. In addition, the electronic painting device of the utility model can be simple in function (for example, only can be used for carrying out

Drawing), the electronic painting device of lightweight and eyeshield, consequently, the utility model discloses an electronic painting device's suitable age can reduce. For example, the electronic painting device of the present invention is suitable for children (2 to 8 years old).

Drawings

Fig. 1 is an exploded view of an electronic painting device according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view illustrating a reflective display panel of an electronic painting apparatus according to an embodiment of the present invention.

Fig. 3 is a schematic front view of an electronic painting apparatus according to an embodiment of the present invention.

Fig. 4 is a schematic back view of an electronic painting apparatus according to an embodiment of the present invention.

Fig. 5 is a schematic view of an operation screen of an electronic painting apparatus according to an embodiment of the present invention.

Fig. 6 is a schematic view of an operation screen of an electronic painting apparatus according to an embodiment of the present invention.

Description of reference numerals: 10-a reflective display panel; 12-a first substrate; 14-a light reflecting layer; 16-a display medium layer; 18-a second substrate; 20-handwriting touch sensing structure; 22-a stylus; 30-a circuit board; 32-a processing unit; 34-a storage unit; 40-a cover plate; 52-upper cover; 54-a lower cover; 56-a support frame; 58-a protruding structure; AR-active region; a CR-color region; a DR-drawing area; ED-electronic painting device; f1-single color drawing function; f2-color painting function; f3-painting display function; HP-function Menu Diagram; PR-peripheral zone; ST-setting; te-wiping cloth; tp-painting brush; TR-tool region; ts-stamp; x, Y and Z-directions.

Detailed Description

In order to further understand the present invention, those skilled in the art will be able to specifically describe the preferred embodiments of the present invention and to explain the contents of the components and intended functions of the present invention in conjunction with the accompanying drawings. It should be noted that the drawings are simplified schematic drawings, and therefore, only the elements and combinations related to the present invention are shown to provide a clearer description of the basic structure or implementation method of the present invention, and the actual elements and layout may be more complicated. For convenience of description, the elements shown in the drawings are not necessarily drawn to scale, and the specific scale may be adjusted according to design requirements.

In the following description and claims, the words "comprise", "include", "have", and the like are open-ended words and thus should be interpreted as meaning "including but not limited to 8230". Thus, when the terms "comprising", "including" and/or "having" are used in the description of the present invention, they specify the presence of stated features, regions, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, regions, steps, operations, and/or components.

In the following description and claims, when "A1 member is formed from B1," it means that the A1 member is formed with B1 or with B1, and the formation of the A1 member does not preclude the presence or use of one or more other features, regions, steps, operations, and/or components.

In the following description and claims, the term "horizontal direction" means a direction parallel to a horizontal plane, the term "horizontal plane" means a surface parallel to the direction X and the direction Y in the drawings (i.e., the direction X and the direction Y are different horizontal directions), the term "vertical direction" means a direction parallel to the direction Z in the drawings, and the direction X, the direction Y and the direction Z are perpendicular to each other. In the description and claims, the term "top view" refers to a view along the vertical direction, and the term "cross section" refers to a view of a structure cut along the vertical direction and viewed from the horizontal direction.

In the specification and claims, the term "parallel" means that the angle between two members may be less than or equal to a particular angle, for example 5 degrees, 3 degrees or 1 degree.

In the following description and claims, the term "overlap" denotes an overlap of two members in the direction Z, and, where not indicated, the term "overlap" includes a partial overlap or a complete overlap, wherein two members may be in direct contact with each other or a spacer may be present between two members.

The use of ordinal numbers such as "first," "second," etc., in the specification and claims to modify an element, is not itself intended to imply any previous order to the element(s), nor is the order in which an element may be sequenced or methods of manufacture to distinguish it from another element having a similar designation. The claims may not use the same language in the specification and accordingly, a first element in the specification may be a second element in the claims.

It is to be understood that the following illustrative embodiments may be implemented by replacing, recombining, and mixing features of several different embodiments without departing from the spirit of the present invention. Features of the embodiments can be arbitrarily mixed and matched without departing from the spirit or conflict of the utility model.

In the present invention, the shape of the electronic drawing device may be a polygon (e.g., a rectangle), a shape with curved edges (e.g., a circle, an ellipse), or other suitable shapes, but is not limited thereto.

Referring to fig. 1 to 4, fig. 1 is an exploded view of an electronic painting device according to an embodiment of the present invention, fig. 2 is a schematic cross-sectional view of a reflective display panel of an electronic painting device according to an embodiment of the present invention, fig. 3 is a schematic front view of an electronic painting device according to an embodiment of the present invention, and fig. 4 is a schematic back view of an electronic painting device according to an embodiment of the present invention. As shown in fig. 1 and 3, the electronic drawing device ED may have an active area AR and a peripheral area PR outside the active area AR, wherein the active area AR may be used for image display and touch sensing, and electronic components (e.g., driving circuits, chips, conductive particles, etc.) for assisting the active area AR may be disposed in the peripheral area PR. In the present invention, the peripheral region PR may be located outside the active region AR. For example, the peripheral region PR may surround the active region AR, but not limited thereto.

As shown in fig. 1, the electronic drawing device ED may include a reflective display panel 10 for displaying a picture by reflecting external light. In the present invention, the reflective display panel 10 may be a non-self-luminous reflective display panel, wherein the non-self-luminous reflective display panel may include, for example and without limitation, liquid Crystal (Liquid Crystal) molecules, a colloid material for electrophoresis, or other suitable display medium material.

The reflective display panel 10 may include a plurality of pixels (pixels) in the active area AR to serve as a unit of a display screen, wherein the pixels may include at least one Sub-Pixel (Sub-Pixel). In some embodiments, if the reflective display panel 10 is a reflective color display panel, one pixel may include a plurality of sub-pixels, such as a green sub-pixel, a red sub-pixel and a blue sub-pixel, but not limited thereto, and the number and color of the sub-pixels included in the pixel may be changed according to the requirement. In some embodiments, if the reflective display panel 10 is a reflective monochrome display panel, a pixel may include only one sub-pixel, but not limited thereto. For example, the color of the sub-pixels can be designed by the arrangement of the color conversion layer and/or the display medium in the reflective display panel 10, but not limited thereto. In the present embodiment, the reflective display panel 10 is exemplified by a reflective color display panel.

As shown in fig. 2, in the structure of the reflective display panel 10, the reflective display panel 10 may include a first substrate 12 and a second substrate 18, the first substrate 12 and the second substrate 18 are disposed opposite to each other, wherein the first substrate 12 and the second substrate 18 may be a rigid substrate or a flexible substrate, respectively, and may be determined according to the type thereof

Correspondingly including, for example, glass, plastic, quartz, sapphire, polyimide (PI), polyethylene Terephthalate (PET), other suitable materials, or combinations thereof,

but not limited thereto. In addition, the shape and size of the first substrate 12 and the second substrate 18 may be designed according to the requirement, wherein the shape of the first substrate 12 and the second substrate 18 may be a polygon (e.g., a rectangle), a shape with curved edges (e.g., a circle, an ellipse), or other suitable shapes, but not limited thereto

And (4) limiting. It should be noted that the normal direction of the first substrate 12 and the normal direction of the second substrate 18 are parallel to the direction Z.

As shown in fig. 2, the reflective display panel 10 may include a display medium layer 16 disposed between the first substrate 12 and the second substrate 18, wherein the display medium layer 16 may correspondingly include a suitable material according to the type of the reflective display panel 10. For example, the display medium layer 16 may include liquid crystal molecules for the purpose of enhancing the contrast

A gel material for line electrophoresis or other suitable display medium material, but not limited thereto. The display medium material included in the display medium layer 16 may be adjusted by any suitable method to adjust the state (e.g., light transmittance) of the portion of the display medium layer 16 corresponding to each sub-pixel. For example, in some embodiments, the light transmittance of the display medium layer 16 may be controlled by an electric field and/or an electrical signal.

In the present invention, the electrodes for controlling the state of the display medium layer 16 can be set according to the requirement

And (6) counting. For example, a plurality of electrodes for controlling the display medium layer 16 may be disposed on opposite sides of the display medium layer 16 (i.e., the display medium layer 16 is disposed between the electrodes), but not limited thereto. For example,

the electrodes for controlling the display medium layer 16 can be disposed on the same side of the display medium layer 16, but not limited thereto. It should be noted that each sub-pixel may include at least two electrodes for controlling the display medium layer 16, so that the light transmittance of the portion of the display medium layer 16 corresponding to the sub-pixel can be adjusted according to an electrical signal (e.g., a gray scale signal) received by the electrodes, but not limited thereto.

The reflective display panel 10 may include a circuit element layer (not shown) disposed on the first substrate 12 and the second substrate

Between the second substrates 18, the display screen of the reflective display panel 10 is controlled. The circuit device layer includes at least one conductive layer, at least one insulating layer, at least one semiconductor layer, other suitable film layers, or a combination thereof. In the present invention, the material of the conductive layer may include metal, transparent conductive material (such as Indium Tin Oxide (ITO), indium Zinc Oxide (IZO), etc.), other suitable conductive material, or a combination thereof, and the material of the insulating layer may include silicon oxide (SiO) _x ) Silicon nitride (SiN) _y ) Silicon oxynitride (SiO) _x N _y ) Organic, organicExamples of the material of the semiconductor layer include, but are not limited to, polysilicon (poly-silicon), amorphous silicon (amorphous silicon), metal-oxide semiconductor (IGZO), other suitable semiconductor materials, or a combination thereof.

The circuit element layer may include any suitable electronic elements, and such electronic elements may be formed from layers within the circuit element layer. For example, the circuit element layer may include thin film transistors, data lines, scan lines, capacitors, electrodes (e.g., for controlling the state of the display medium layer 16), and/or other suitable electronic elements. In some embodiments, the scan line may be electrically connected to the gate of the thin film transistor, the data line may be electrically connected to the source of the thin film transistor, and the pixel electrode may be electrically connected to the drain of the thin film transistor, when the thin film transistor is turned on, an electrical signal (e.g., a gray scale signal) may be transmitted to the pixel electrode through the data line and the thin film transistor, so that the pixel electrode controls the light transmittance of the display medium layer 16, but not limited thereto.

In some embodiments, the circuit element layer may be disposed between the display medium layer 16 and one of the two substrates (the first substrate 12 or the second substrate 18), such that a plurality of electrodes (e.g., pixel electrodes, common electrodes) for controlling the display medium layer 16 may be disposed on the same side of the display medium layer 16, but not limited thereto. In some embodiments, the circuit element layer may include a first portion and a second portion, the first portion may be disposed between the display medium layer 16 and the first substrate 12, and the second portion may be disposed between the display medium layer 16 and the second substrate 18, such that a plurality of electrodes (e.g., pixel electrode, common electrode) for controlling the display medium layer 16 may be disposed on opposite sides of the display medium layer 16, but not limited thereto.

The reflective display panel 10 may include a light reflecting layer 14 disposed at any suitable position in the reflective display panel 10 to reflect the external light, wherein the reflected light formed by the external light reflected by the light reflecting layer 14 is used to display the image. In some embodiments, the light reflecting layer 14 may be disposed between the first substrate 12 and the second substrate 18. For example, the light reflecting layer 14 may be disposed between the first substrate 12 and the display medium layer 16. For example, the light reflecting layer 14 can be one of the circuit device layers, but not limited thereto. For example, the light reflecting layer 14 may be an opaque metal layer including metal, and has a good light reflecting effect, but not limited thereto.

The reflective display panel 10 may also include any suitable layers and/or structures, as desired. In some embodiments, the reflective display panel 10 may further include a color conversion layer disposed between the first substrate 12 and the second substrate 18 to convert or filter light into different colors of light. Color conversion layers may include, for example, color filters, quantum Dot (QD) materials, fluorescent (fluorescent) materials, phosphorescent (phosphorescent) materials, other suitable materials, or any combination thereof. When the reflective display panel 10 is a reflective color display panel, the color conversion layer may include a plurality of color conversion portions (e.g., three color conversion portions) respectively located in the sub-pixels with different colors to convert the light with corresponding colors, but not limited thereto.

In some embodiments, the reflective display panel 10 may further include optical film layers, such as an anti-reflection film, a brightness enhancement film, a light scattering layer, a wave plate (wave plate), a polarizer (polarizer), or other suitable optical film layers, and the optical film layers may be disposed at suitable positions according to their respective requirements.

In the present invention, the external light is used as a light source of the reflective display panel 10, wherein the external light can be reflected by the light reflective layer 14 to become a reflected light, and the reflected light is used to display a picture. In detail, in fig. 2 (or fig. 1), the external light may enter the reflective display panel 10 from the top side (e.g., the side of the second substrate 18 opposite to the first substrate 12, and the side of the light reflective layer 14 opposite to the first substrate 12) shown in fig. 2 (or fig. 1) from top to bottom, then the light entering the reflective display panel 10 is reflected by the light reflective layer 14 after sequentially passing through the second substrate 18 and the display medium layer 16 to generate reflected light, and then the reflected light exits the reflective display panel 10 from the bottom to the top (e.g., sequentially passing through the display medium layer 16 and the second substrate 18) in fig. 2 (or fig. 1) for displaying images. It should be noted that, since the light transmittance of the display medium layer 16 is adjusted according to the electrical signal (e.g., gray scale signal) received by the electrode in the corresponding sub-pixel, the reflected light emitted from the reflective display panel 10 has a luminance corresponding to the electrical signal (e.g., gray scale signal) received by the electrode in the corresponding sub-pixel due to the influence of the light transmittance of the display medium layer 16 in the corresponding sub-pixel, so as to perform the image display.

Since the electronic drawing device ED does not have a backlight module, the reflective display panel 10 uses external light as a light source, so as to prevent the user from being stimulated by the backlight light source for a long time and further avoid the burden on the eyes, thereby achieving the effect of protecting the eyes. In addition, the electronic drawing device ED without the backlight module can also lighten and/or thin the electronic drawing device ED, and can reduce the power consumption of the electronic drawing device ED.

In fig. 1, the electronic drawing device ED may include a handwriting touch sensing structure 20 disposed on the reflective display panel 10, wherein the handwriting touch sensing structure 20 may perform handwriting touch sensing to sense a handwriting result (e.g., drawing content). For example, as shown in fig. 1 and fig. 2, the handwriting touch sensing structure 20 may be disposed on the second substrate 18 of the reflective display panel 10 and located on a side of the second substrate 18 opposite to the first substrate 12, but not limited thereto. For example, the handwriting touch sensing structure 20 may be adhered to the reflective display panel 10, but not limited thereto.

The utility model discloses in, the touch-control sensing structure 20 accessible of writing by hand is sensed by any suitable mode to the touching position (promptly, position sensing) of sensing out touching piece and the touching pressure (promptly, pressure sensing, pressure sensitive) of touching piece, and then make the user can have good drawing and experience. For example, the handwriting touch sensing structure 20 can be implemented by electromagnetic sensing, resistive sensing, capacitive sensing, pressure sensing, other suitable methods or combinations thereof, but is not limited thereto.

In addition, as shown in fig. 1, the electronic drawing device ED may further include a stylus 22, wherein the handwriting touch sensing structure 20 is used for sensing the stylus 22, and the design of the stylus 22 may be correspondingly designed according to the type of the handwriting touch sensing structure 20. In some embodiments, the handwriting touch sensing structure 20 can sense the stylus 22 corresponding to its type, but is not necessarily capable of sensing other touch objects. For example, the handwriting touch sensing structure 20 can only sense the stylus 22, but cannot sense other touch objects (e.g. fingers), but not limited thereto.

As shown in fig. 1, the electronic drawing device ED may include a processing unit 32, wherein the processing unit 32 may electrically connect the reflective display panel 10 and the handwriting touch sensing structure 20, so that an electrical signal may be transmitted between the processing unit 32 and the reflective display panel 10 and/or between the processing unit 32 and the handwriting touch sensing structure 20 to control the reflective display panel 10 and the handwriting touch sensing structure 20. In some embodiments, the handwriting touch sensing structure 20 may generate a sensing signal according to the sensed touch, and the processing unit 32 may provide a corresponding signal to the reflective display panel 10 according to the sensing signal, so that the reflective display panel 10 displays a corresponding frame. For example, the handwriting touch sensing structure 20 may generate a sensing signal according to the sensed touch position (single point or line), and the processing unit 32 may provide a corresponding signal to the reflective display panel 10 according to the sensing signal, so that the reflective display panel 10 displays a drawing result (single point or line) at the corresponding position, or the reflective display panel 10 jumps to a picture. It should be noted that the processing unit 32 may adopt any suitable signal processing method in the prior art, and the present invention is not limited thereto. For example, the processing unit 32 may be a Central Processing Unit (CPU) or other suitable processing element, but is not limited thereto.

As shown in fig. 1, the electronic drawing device ED may include a memory unit 34, and the memory unit 34 may be electrically connected to the processing unit 32 (i.e., electrically connected to the reflective display panel 10 and the handwriting touch sensing structure 20) and may be configured to store the drawing result, so as to achieve the function of saving the drawing result. For example, the drawing result may be stored in the storage unit 34 by the processing unit 32. For example, the storage unit 34 can be a hard disk (hard disk) or other suitable storage elements, but not limited thereto. Since the electronic painting device ED includes the storage unit 34, the user can enjoy or modify the stored painting again.

As shown in fig. 1, the electronic drawing device ED further includes a circuit board 30, and the reflective display panel 10 may be disposed between the handwriting touch sensing structure 20 and the circuit board 30. The circuit boards 30 may be rigid circuit boards or flexible circuit boards, and may include, for example, glass, plastic, quartz, sapphire, polymer (e.g., polyimide, polyethylene terephthalate), other suitable materials, or combinations thereof, depending on the type of the circuit board, but not limited thereto. In some embodiments, the circuit board 30 may be a laminate (such as a Copper Clad Laminate (CCL)), a Land Grid Array (LGA) board, or any other suitable circuit board including a conductive material, but is not limited thereto.

In fig. 1, the processing unit 32 and the storage unit 34 may be disposed on the wiring board 30. In addition, the circuit board 30 may also be provided with other suitable electronic components, such as but not limited to a wire and a memory (memory).

As shown in fig. 1, the electronic drawing device ED may further include an overlay 40, wherein the handwriting touch sensing structure 20 is disposed between the reflective display panel 10 and the overlay 40, and the overlay 40 can protect the structure covered thereby. The covering plate 40 may be a rigid plate or a flexible plate, and may include, for example, glass, plastic, quartz, sapphire, polymer (e.g., polyimide, polyethylene terephthalate), other suitable materials, or a combination thereof, depending on the type thereof. In the embodiment, the covering plate 40 is a transparent covering plate, but not limited thereto. In the present embodiment, the handwriting touch sensing structure 20 can still perform handwriting touch sensing even if there is the overlay 40.

As shown in fig. 1, the electronic painting device ED may further include an upper cover 52 and a lower cover 54 for protecting components and structures of the electronic painting device ED, wherein the upper cover 52 and the lower cover 54 may comprise any suitable material. For example, the handwriting touch sensing structure 20 is disposed between the reflective display panel 10 and the upper cover 52, and the circuit board 30 is disposed between the reflective display panel 10 and the lower cover 54, but not limited thereto. For example, the upper cover 52 and the lower cover 54 may comprise plastic, metal, other suitable materials, or combinations thereof, but are not limited thereto.

In addition, as shown in fig. 4, the electronic drawing device ED may further include a supporting frame 56 connected to the lower cover 54, wherein the supporting frame 56 may be used for supporting the electronic drawing device ED to enable the electronic drawing device ED to be upright or inclined. For example, the supporting frame 56 may be a U-shaped structure, but not limited thereto. Optionally, the lower cover 54 may further have a protruding structure 58 so that the electronic drawing device ED with the supporting frame 56 can be laid flat.

In the present invention, the electronic painting device ED may also comprise any required elements according to the requirements. In some embodiments, the electronic drawing device ED may include a sound playing element for playing sound. For example, when the user touches the electronic drawing device ED through the touch piece to turn on, turn off or adjust the function (or effect), the sound playing element may play the corresponding sound, but not limited thereto.

Additionally, the utility model discloses an electronic painting device ED still can get rid of some components to make electronic painting device ED lightweight and/or thinization, and can reduce electronic painting device ED's power consumption. For example, the electronic drawing device ED may not have a sound receiving element, so that the electronic drawing device ED may not have a function of voice communication, but is not limited thereto. For example, the electronic drawing device ED may not have a wireless communication element, so that the electronic drawing device ED may not have a wireless communication function, but is not limited thereto. For example, the electronic drawing device ED may not have a shooting device, so that the electronic drawing device ED may not have an image shooting function, but is not limited thereto. In some embodiments, the electronic drawing device ED can be used simply to draw.

Referring to fig. 5 and 6, fig. 5 and 6 are schematic operation images of an electronic painting apparatus according to an embodiment of the present invention, in which fig. 5 illustrates a function selection image, and fig. 6 illustrates an image of a color painting function F2. As shown in fig. 5, a user may select a desired function in the active area AR using a touch member (e.g., a stylus 22), and after the function selection is completed, a corresponding screen is displayed and a sound may be selectively generated. For example, the functions shown in fig. 5 may include a monochrome drawing function F1 (e.g., the depiction in fig. 5), a color drawing function F2 (the color drawing in fig. 5), and a drawing demonstration function F3 (the gallery in fig. 5), but are not limited thereto. For example, in the monochrome drawing function F1 and the color drawing function F2, a new work can be drawn or an old work stored in the storage unit 34 can be modified, and the drawing display function F3 can display the work in the storage unit 34, but not limited thereto. For example, the function shown in fig. 5 may further include setting ST to set some parameters in the electronic drawing device ED.

In the screen in the active area AR of the color drawing function F2 shown in fig. 6, a drawing tool (e.g., a brush Tp, a wipe Te, a stamp Ts, etc.) can be selected in the tool area TR, and a desired color can be selected in the color area CR to perform color drawing in the drawing area DR. In addition, fig. 6 also shows a menu icon HP, and if the menu icon HP is selected by the touch device, a menu can be displayed, wherein the menu can include a stored menu, a returned menu selection screen, and/or other suitable functions.

To sum up, the utility model discloses an electronic painting device ED can have advantages such as lightweight, thinization, low power consumption and eyeshield. Additionally, because the utility model discloses an electronic painting device ED can be the electronic painting device ED of function simple (e.g., only can draw), lightweight and eyeshield, consequently, the utility model discloses an electronic painting device ED's suitable age can reduce. For example, the electronic painting device ED of the present invention is suitable for children (2 to 8 years old).

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electronic painting device, comprising:

a reflective display panel for displaying a picture by reflecting external light;

the handwriting touch sensing structure is arranged on the reflective display panel; and

and the storage unit is electrically connected with the reflective display panel and the handwriting touch sensing structure and is used for storing drawing results.

2. The electronic drawing device according to claim 1, wherein the reflective display panel includes:

a first substrate;

the second substrate is arranged opposite to the first substrate;

the display medium layer is arranged between the first substrate and the second substrate; and

and the light reflecting layer is arranged between the first substrate and the second substrate, and the reflected light formed by reflecting the external light by the light reflecting layer is used for displaying pictures.

3. The electronic drawing device according to claim 1, wherein the reflective display panel is a reflective color display panel.

4. The electronic drawing device according to claim 1, wherein the electronic drawing device has no photographing element.

5. The electronic drawing device according to claim 1, wherein the electronic drawing device has a sound playing element and the electronic drawing device does not have a sound receiving element.

6. The electronic drawing device according to claim 1, wherein the electronic drawing device has no wireless communication element.

7. The electronic painting device of claim 1, further comprising a support frame to support the electronic painting device so that the electronic painting device is upright or tilted.

8. The electronic painting device of claim 1, further comprising a stylus, wherein the handwriting touch sensing structure is configured to sense the stylus.

9. The electronic drawing device according to claim 1, further comprising an overlay, wherein the handwriting touch sensing structure is disposed between the reflective display panel and the overlay.

10. The electronic painting device of claim 1, further comprising:

the processing unit is electrically connected with the reflective display panel, the handwriting touch sensing structure and the storage unit;

and the processing unit and the storage unit are arranged on the circuit board, and the reflective display panel is arranged between the handwriting touch sensing structure and the circuit board.