Double-sided display electronic paper device

Abstract

The utility model relates to the technical field of electronic paper, and discloses a double-sided display electronic paper device, which comprises an electronic paper layer, a first I TO layer and a second I TO layer, two ends of the electronic paper layer are respectively provided with a first contact layer and a second contact layer; the first I-TO layer is arranged at one end, deviating from the electronic paper layer, of the first contact layer, the first I-TO layer is electrically connected with the electronic paper layer through the first contact layer, and a first channel is arranged on the first I-TO layer; the second I-TO layer is arranged on one end face, deviating from the electronic paper layer, of the second contact layer, the second I-TO layer is electrically connected with the electronic paper layer through the second contact layer, and a second channel is arranged on the second I-TO layer; wherein display media are arranged in the first channel and the second channel.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic paper technical field, especially a double -sided display electronic paper device. BACKGROUND

[0002] Electronic paper is also called digital paper, and it is an ultra-thin and light display screen, and its display effect is close to traditional paper. The screen of the electronic paper can change color gradually or flash between two colors, and can be cut into any shape. The electronic paper can be combined with other surface materials, structures and applications through customization and programmed design to achieve mutual conversion between colors, so that the originally static surface can dynamically display colors or patterns. The electronic paper has water resistance and scratch resistance, and can be applied to the surface of electronic consumer goods, home appliances, building appearance, exhibition decoration, automobile and the like.

[0003] At present, the electronic paper in the prior art is usually completed by a substrate and a conductive layer. However, the electronic paper has the following disadvantages: the substrate is usually a polyester compound or other similar non-transparent material, so that the electronic paper can only display patterns at one end close to the conductive layer; and the patterns displayed by the electronic paper can only be drawn and spliced on the substrate, so that the spliced patterns displayed by the electronic paper are relatively single in style. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is that the patterns of the electronic paper can only be displayed on one side, and the patterns displayed by the electronic paper are relatively single in style.

[0005] In order to solve the above technical problem, the utility model provides a double -sided display electronic paper device, which comprises an electronic paper layer, a first ITO layer and a second ITO layer.

[0006] The first ITO layer is arranged on one end of the first contact layer away from the electronic paper layer, and the first ITO layer is electrically connected to the electronic paper layer through the first contact layer. The first ITO layer is provided with a first channel. The second ITO layer is arranged on the end face of the second contact layer away from the electronic paper layer, and the second ITO layer is electrically connected to the electronic paper layer through the second contact layer. The second ITO layer is provided with a second channel.

[0007] Further, the display medium is a charged particle.

[0008] In an embodiment, a first conductive member is arranged on one side of the first ITO layer and is electrically connected to the display medium in the first channel.

[0009] In an embodiment, the first channel is arranged in a plurality of first channels, and each of the first channels is arranged with a first communication hole at one end.

[0010] In an embodiment, the first conductive member includes a first circuit board and a plurality of first conductive wires, each of the first conductive wires is connected to the first circuit board at one end and is connected to the first channel through the first communication hole at the other end, and the number of the first conductive wires is the same as the number of the first channels.

[0011] In an embodiment, a second conductive member is arranged on one side of the second ITO layer and is electrically connected to the display medium in the second channel.

[0012] In an embodiment, the second channel is arranged in a plurality of second channels, and each of the second channels is arranged with a second communication hole at one end.

[0013] In an embodiment, the second conductive member includes a second circuit board and a plurality of second conductive wires, each of the second conductive wires is connected to the second circuit board at one end and is connected to the second channel through the second communication hole at the other end, and the number of the second conductive wires is the same as the number of the second channels.

[0014] In an embodiment, the first ITO layer and the second ITO layer are both transparent conductive film materials.

[0015] In an embodiment, the first contact layer and the second contact layer are both transparent conductive glue layers.

[0016] The embodiment of the utility model discloses a double -sided display electronic paper device compares with prior art, and its beneficial effect lies in: 1), electronic paper layer is the basis of whole device, it provides the platform of support and connection two ITO layer, and the both ends of electronic paper layer are provided with first contact layer and second contact layer respectively, and two contact layers are used for connecting first ITO layer and second ITO layer respectively;2), first ITO layer is located at the side of first contact layer of electronic paper layer and deviates from electronic paper layer, and it is provided with first channel inside, and first channel is composed of microcapsule and is used for accommodating display medium, and the state or movement of display medium in first channel will change according to the change of current, thereby forming different patterns on first ITO layer;3), second ITO layer is located at the side of second contact layer of electronic paper layer and deviates from electronic paper layer, and is oppositely arranged with first ITO layer, and it is provided with second channel inside, and second channel is similar in structure with first channel, and similarly, the state of display medium in second channel will change according to the change of current, thereby displaying different patterns. The utility model effectively solves the problems in prior art that the pattern of electronic paper layer can only be displayed on one side and the pattern displayed by electronic paper layer is relatively single. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the double -sided display electronic paper device of the utility model embodiment.

[0018] Figure 2 It is the sectional view of the double -sided display electronic paper device of the utility model embodiment.

[0019] Figure 3 It is the schematic diagram of first ITO layer in the utility model embodiment.

[0020] Figure 4 It is the schematic diagram of second ITO layer in the utility model embodiment.

[0021] In the drawing, 1, electronic paper layer;11, first contact layer;12, second contact layer;2, first ITO layer;21, first channel;3, second ITO layer;31, second channel;4, first conducting part;41, first circuit board;42, first conducting wire;5, second conducting part;51, second circuit board;52, second conducting wire. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model will be described in further detail below in combination with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0023] In the description of the utility model, it should be understood that when the element is referred to as "fixed to" or "set to" another element, it can be directly on another element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to another element or indirectly connected to the other element. The terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0024] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "height", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like in the utility model is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0025] In the description of the utility model, it should be understood that the terms "first", "second" in the utility model are used only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0026] As Figures 1 to 4 The utility model provides a kind of double-sided display electronic paper device, it includes electronic paper layer 1, first ITO layer 2 and second ITO layer 3;Electronic paper layer 1 is respectively provided with first contact layer 11 and second contact layer 12 in two ends;First ITO layer 2 is set to the end of first contact layer 11 away from electronic paper layer 1, and first ITO layer 2 is electrically connected with electronic paper layer 1 by first contact layer 11, and first ITO layer 2 is provided with first channel 21;Second ITO layer 3 is set to the end face of the second contact layer 12 away from electronic paper layer 1, and second ITO layer 3 is electrically connected with electronic paper layer 1 by second contact layer 12, and second ITO layer 3 is provided with second channel 31;Wherein, first channel 21 and second channel 31 are all provided with display medium for displaying pattern.

[0027] Based on the above technical features, the utility model discloses the setting of electronic paper layer 1, and electronic paper layer 1 is the basis of whole device, and it provides the platform of support and connection two ITO layer, and the both ends of electronic paper layer 1 are provided with first contact layer 11 and second contact layer 12 respectively, and the two contact layers are used to connect first ITO layer 2 and second ITO layer 3 respectively, first ITO layer 2 is located at the side of first contact layer 11 of electronic paper layer 1 and deviates from electronic paper layer 1, and it is provided with first channel 21 inside, and first channel 21 is formed by microcapsule and is used to hold display medium, and the state or movement of display medium in first channel 21 can change according to the change of current, thereby forming different patterns on first ITO layer 2, second ITO layer 3 is located at the side of second contact layer 12 of electronic paper layer 1 and deviates from electronic paper layer 1, and it is provided with second channel 31 inside, and second channel 31 is similar in structure with first channel 21, and the state of display medium in second channel 31 can also change according to the change of current, thereby displaying different patterns.

[0028] As some embodiments of the utility model, as shown in Figure 1 The side of first ITO layer 2 is provided with first conducting part 4, and first conducting part 4 is electrically connected with display medium in first channel 21. When external power supply is connected with first conducting part 4 and applies current, current will be transmitted to first channel 21 along first conducting part 4, and the state or movement of display medium in first channel 21 can change according to the change of current, thereby forming the required pattern on first ITO layer 2, and since the connection between first conducting part 4 and first channel 21 is stable, the accurate transmission of current and the stable display of pattern can be ensured.

[0029] As some embodiments of the utility model, as shown in Figure 1 The number of first channel 21 is multiple, and multiple first channels 21 are arranged at intervals along the width direction of first ITO layer 2, and one end of each first channel 21 is provided with first communication hole. Through the setting of multiple first channels 21, when external power supply is connected with first communication hole through first conducting part 4, current will be transmitted to first channel 21, so that the state of display medium in first channel 21 changes, thereby displaying pattern, and since multiple first channels 21 are arranged at intervals, and one end of each channel has communication hole, the accurate control of display medium can be realized.

[0030] As some embodiments of the utility model, as shown in Figures 1 to 4As shown, the first conductive part 4 includes a first circuit board 41 and a plurality of first conductive wires 42, one end of each first conductive wire 42 is connected with the first circuit board 41, the other end is connected with the first channel 21 through the first communication hole, the number of the first conductive wires 42 is the same as the number of the first channels 21. When the external power supply is connected with the first circuit board 41, the current signal will be transmitted along the circuit on the circuit board to each first conductive wire 42, and the first conductive wire 42 will transmit the current signal to the first communication hole, and then enter the first channel 21 through the communication hole, and in the first channel 21, the current will act on the display medium, thereby changing its state or motion, realizing the required display effect.

[0031] As some embodiments of the present application, as shown in Figure 1 As shown, the second ITO layer 3 is provided with a second conductive part 5, and the second conductive part 5 is electrically connected with the display medium in the second channel 31. The second conductive part 5 is located above the first conductive part 4 and is connected with the second channel 31 to inject current into it, which provides an independent and stable current transmission method for the double-sided display electronic paper device. This design enables the device to achieve high-quality display on both sides at the same time, meeting the needs of various application scenarios.

[0032] As some embodiments of the present application, as shown in Figure 1 As shown, the number of the second channels 31 is multiple, and the multiple second channels 31 are arranged at intervals along the length direction of the second ITO layer 3, and each second channel 31 is provided with a second communication hole. The design that the multiple second channels 31 are arranged at intervals in the second cavity and each channel is provided with a second communication hole enables the current to more accurately control the state or motion of the display medium in the second cavity, thereby realizing a more delicate display effect.

[0033] As some embodiments of the present application, as shown in Figures 1 to 4 As shown, the second conductive part 5 includes a second circuit board 51 and a second conductive wire 52, one end of the second conductive wire 52 is connected with the second circuit board 51, the other end is connected with the second channel 31 through the second communication hole, and the number of the second conductive wires 52 is the same as the number of the second channels 31. Since each second channel 31 has a corresponding second conductive wire 52, accurate control of each second channel 31 can be realized, and the number of the second conductive wires 52 is the same as the number of the second channels 31, ensuring uniform distribution and stable transmission of the current signal. This design allows the application position and number of the current signal to be adjusted as needed to adapt to different display requirements.

[0034] As some embodiments of the utility model, first ITO layer 2 and second ITO layer 3 are transparent conductive film materials. Transparent conductive film materials have high transparency, which means that they allow light to pass through, thereby maintaining the clarity and brightness of the display layer. This transparency is the key to enabling the double-sided display electronic paper device to achieve double-sided display effect.

[0035] As some embodiments of the utility model, first contact layer 11 and second contact layer 12 are transparent conductive glue layers. The transparent conductive glue layer is provided, so that the first ITO layer 2 and the second ITO layer 3 can be firmly fixed on the electronic paper layer 1.

[0036] Further, the device displays patterns on the transparent conductive film material by printing and etching, removes dust on the transparent conductive film material and the electronic paper layer 1, sprays transparent conductive glue on the transparent conductive film material, and then adheres the transparent conductive film material and the electronic paper layer 1 through a pressing process. After the glue dries, the adhesion is completed.

[0037] In summary, the utility model embodiment provides a double-sided display electronic paper device compared with prior art, its beneficial effect lies in: 1), electronic paper layer 1 is the basis of the whole device, it provides the platform of support and connection of two ITO layers, and the two ends of electronic paper layer 1 are respectively provided with first contact layer 11 and second contact layer 12, and the two contact layers are respectively used for connecting first ITO layer 2 and second ITO layer 3; 2), first ITO layer 2 is located on the side of the first contact layer 11 of the electronic paper layer 1 away from the electronic paper layer 1, and is internally provided with a first channel 21, the first channel 21 is composed of microcapsules and is used for accommodating display medium, and the display medium in the first channel 21 changes its state or motion according to the change of current, thereby forming different patterns on the first ITO layer 2; 3), second ITO layer 3 is located on the side of the second contact layer 12 of the electronic paper layer 1 away from the electronic paper layer 1, and is oppositely arranged with the first ITO layer 2, and is internally provided with a second channel 31, the second channel 31 is similar in structure to the first channel 21, and the change of current also changes the state of the display medium in the second channel 31, thereby displaying different patterns. The utility model effectively solves the problems in the prior art that the pattern of the electronic paper layer 1 can only be displayed on one side, and the pattern displayed by the electronic paper layer 1 is relatively single.

[0038] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, without departing from the technical principles of the utility model, a number of improvements and substitutions can be made, and these improvements and substitutions should also be regarded as the protection scope of the utility model.

Claims

1. A dual-sided display electronic paper device, characterized by, The electronic paper layer, the first ITO layer and the second ITO layer are arranged in sequence. The first contact layer and the second contact layer are arranged at two ends of the electronic paper layer respectively. The first ITO layer is arranged at one end of the first contact layer away from the electronic paper layer, and the first ITO layer is electrically connected to the electronic paper layer through the first contact layer. The second ITO layer is arranged on one end face of the second contact layer away from the electronic paper layer, and the second ITO layer is electrically connected to the electronic paper layer through the second contact layer. The first channel and the second channel are arranged with display medium for displaying patterns.

2. The dual-sided display e-paper device of claim 1, wherein, The first ITO layer is provided with a first conductive part on one side, and the first conductive part is electrically connected to the display medium in the first channel.

3. The dual-sided display e-paper device of claim 2, wherein, The first channel is provided with a first communication hole at one end.

4. The dual-sided display e-paper device of claim 3, wherein, The first conductive part includes a first circuit board and a plurality of first conductive wires, one end of each first conductive wire is connected to the first circuit board, and the other end is connected to the first channel through the first communication hole, and the number of first conductive wires is the same as the number of first channels.

5. The dual-sided display e-paper device of claim 4, wherein, The second ITO layer is provided with a second conductive part on one side, and the second conductive part is electrically connected to the display medium in the second channel.

6. The dual-sided display e-paper device of claim 5, wherein, The second channel is provided with a second communication hole at one end.

7. The dual-sided display e-paper device of claim 6, wherein, The second conductive part includes a second circuit board and a second conductive wire, one end of the second conductive wire is connected to the second circuit board, and the other end is connected to the second channel through the second communication hole, and the number of second conductive wires is the same as the number of second channels.

8. The dual-sided display e-paper device of claim 1, wherein, The first ITO layer and the second ITO layer are both transparent conductive film materials.

9. The dual-sided display e-paper device of claim 1, wherein, The first contact layer and the second contact layer are both transparent conductive adhesive layers.

Images