CN117289523A - Double-substrate section code electronic paper module - Google Patents

Abstract

The invention discloses a double-substrate segment code electronic paper module, which comprises: an upper substrate, a lower substrate, and an ink capsule layer; the upper substrate is positioned above the ink capsule layer, and the lower substrate is positioned below the ink capsule layer; the upper substrate and the lower substrate each contain a conductive substance. The invention can realize the independent display of the patterns corresponding to the upper substrate, the independent display of the patterns corresponding to the lower substrate or the display of the patterns corresponding to the upper and lower layers when overlapped, and when in overlapped display, the patterns are not required to be divided, the overlapping area is not required to be reset, and the technical problem of insufficient wiring design space caused by the small overlapping area is solved.

Description

Double-substrate section code electronic paper module

Technical Field

The invention relates to the technical field of electronic paper, in particular to a double-substrate segment code electronic paper module.

Background

The electronic paper is a special display screen and has the characteristics of being ultrathin, rewritable, convenient to carry, capable of keeping display when power is off, and the like. The segment code electronic paper has wide application range and comprises various consumer electronic products, watches, medical instruments, industrial metering instruments, computer peripherals, intelligent cards, electronic volume labels, portable equipment and the like. The section code electronic paper is characterized in that the area of the number or pattern to be displayed is carved on the backboard, and then the black and white switching is performed according to the number or pattern to be displayed, so that different patterns or number combinations are displayed. At present, most of electronic paper segment code modules adopt a single-substrate design mode of a base substrate, when the electronic paper segment code modules need to display various images to be overlapped together and different areas of the images need to be segmented, the overlapped areas are reset into one segment, if the overlapped areas are too small, the problem that patterns cannot be placed in the thick holes connected with circuits exists, meanwhile, the number of displayed segments is increased, wiring is increased, and the problems that the wiring space is insufficient and the design cannot be performed are caused.

Disclosure of Invention

The invention provides a double-substrate segment code electronic paper module, which aims to solve the technical problems that when multiple images are overlapped together and different areas of the images need to be segmented, the design wiring space is insufficient and the design cannot be realized.

In order to solve the above technical problems, an embodiment of the present invention provides a dual-substrate segment code electronic paper module, including: an upper substrate, a lower substrate, and an ink capsule layer;

the upper substrate is positioned above the ink capsule layer, and the lower substrate is positioned below the ink capsule layer;

the upper substrate and the lower substrate each contain a conductive substance.

Preferably, the upper substrate includes: a first circuit layer, a first insulating layer, and a first display layer;

the first circuit layer is positioned above the first insulating layer, and the first display layer is positioned below the first insulating layer;

the first insulating layer is provided with a through hole for communicating the first circuit layer and the first display layer; the first insulating layer is made of transparent insulating materials; the first circuit layer and the first display layer are both made of transparent conductive materials; the first circuit layer is used for electrifying the first display layer.

Preferably, the upper substrate further includes: p I film; the P I film is located over the first display layer.

Preferably, the lower substrate is a PCB substrate, an FPC substrate, a glass substrate or a P I flexible substrate.

Preferably, the lower substrate includes: the second display layer, the substrate layer, the second circuit layer and the second insulating layer;

the substrate layer is positioned below the second display layer, the second circuit layer is positioned below the substrate layer, and the second insulating layer is positioned below the second circuit layer;

the substrate layer is provided with a through hole for communicating the second circuit layer and the second display layer; the substrate layer and the second insulating layer are both insulating materials; the second circuit layer and the second display layer are both made of conductive materials; the second circuit layer is used for electrifying the second display layer.

Preferably, the module further comprises: the first adhesive layer and the second adhesive layer;

the first adhesive layer is positioned between the upper substrate and the ink capsule layer, and the second adhesive layer is positioned between the lower substrate and the ink capsule layer.

Preferably, the generating of the upper substrate includes:

printing the transparent conductive material on the P I film according to the circuit of the segment code to form the first circuit layer;

printing the transparent insulating material on the first circuit layer to fill the gaps among the circuits to form an insulating layer, and reserving through holes at the circuits;

and printing the transparent conductive material on the first insulating layer according to the shape of the segment code to form the first display layer.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

the invention provides a double-substrate segment code electronic paper module, which comprises: an upper substrate, a lower substrate, and an ink capsule layer; the upper substrate is positioned above the ink capsule layer, and the lower substrate is positioned below the ink capsule layer; the upper substrate and the lower substrate each contain a conductive substance. The invention can realize the independent display of the patterns corresponding to the upper substrate, the independent display of the patterns corresponding to the lower substrate or the display of the patterns corresponding to the upper and lower layers when overlapped, and when in overlapped display, the patterns are not required to be divided, the overlapping area is not required to be reset, and the technical problem of insufficient wiring design space caused by the small overlapping area is solved.

Drawings

Fig. 1 is a schematic structural diagram of a dual-substrate segment code electronic paper module according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an upper substrate structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of another upper substrate structure according to an embodiment of the present invention;

FIG. 4 is a schematic view of an underlying substrate structure according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of another embodiment of a dual-substrate segment code electronic paper module;

FIG. 6 is a flowchart of a method for generating an upper substrate according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of an embodiment of the present invention showing the corresponding pattern of the upper substrate alone;

FIG. 8 is a schematic diagram of a scheme of the present invention for individually displaying the corresponding patterns of the underlying substrate

Fig. 9 is a schematic diagram showing a corresponding pattern when the upper layer and the lower layer are overlapped.

Wherein, the reference numerals of the specification drawings are as follows:

the upper substrate 1, the first wiring layer 11, the first insulating layer 12, the first display layer 13, P I film 14, the lower substrate 2, the second display layer 21, the base material layer 22, the second wiring layer 23, the second insulating layer 24, the ink capsule layer 3, and the adhesive layer 4.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1, a schematic structure diagram of a dual-substrate segment code electronic paper module according to an embodiment of the invention includes: an upper substrate 1, a lower substrate 2, and an ink capsule layer 3;

the upper substrate 1 is positioned above the ink capsule layer 3, and the lower substrate 2 is positioned below the ink capsule layer 3;

the upper substrate 1 and the lower substrate 2 each contain a conductive substance.

In this embodiment, the electronic paper technology is a "microcapsule electrophoretic display" technology. The basic principle is that charged nanoparticles suspended in a liquid undergo migration by the action of an electric field.

The ink capsule layer 3 contains millions of ink capsules densely arranged in a plane having a thickness of one ink capsule diameter. Each ink capsule contains electrophoretic particles, and each electrophoretic particle comprises a plurality of negatively charged white particles and a plurality of positively charged black particles. The upper substrate 1 and the lower substrate 2 each contain a conductive substance, and by energizing the conductive substance, a voltage difference between the upper substrate 1 and the lower substrate 2 can be realized. The principle of positive and negative attraction is utilized, and the white particles and the black particles in the ink capsule can move in different directions according to the voltage difference between the upper substrate and the lower substrate, so that white or black is formed.

In a preferred embodiment, please refer to fig. 2, which is a schematic structural diagram of an upper substrate 1 according to an embodiment of the present invention, wherein the upper substrate 1 includes: a first wiring layer 11, a first insulating layer 12, and a first display layer 13;

the first circuit layer 11 is located above the first insulating layer 12, and the first display layer 13 is located below the first insulating layer 12;

the first insulating layer 12 is provided with a through hole for communicating the first circuit layer 11 and the first display layer 13; the first insulating layer 12 is made of transparent insulating material; the first circuit layer 11 and the first display layer 13 are both made of transparent conductive materials; the first circuit layer 11 is used for energizing the first display layer 13.

In this embodiment, the first circuit layer 11 is laid with a plurality of circuits for energizing, which do not interfere with each other and can be energized independently. One end of the circuit is connected to the segment code part corresponding to the first display layer 13, and the other end of the circuit is connected with the driving board through a flexible circuit board. The first insulating layer 12 is disposed between the first circuit layer 11 and the first display layer 13, and is provided with a through hole for connecting the first circuit layer 11 and the first display layer 13, so as to realize the energization of the first circuit layer 11 and the first display layer 13, and avoid the short circuit between the first circuit layer 11 and the first display layer 13. The transparent insulating material is used to fill up the gaps between the wires of the first wire layer 11 in addition to the first insulating layer 12 so as to insulate the wires from each other to avoid short circuits. The first display layer 13 has different lines connected to different segment code portions, and the different segment code portions are not communicated with each other. The conductive material and the insulating material are transparent, and do not interfere with the display of the underlying ink capsule layer 3. The transparent conductive material is commonly used as an N-type oxide semiconductor (ito).

In a preferred embodiment, please refer to fig. 3, which is a schematic structural diagram of another upper substrate 1 according to an embodiment of the present invention, wherein the upper substrate 1 further includes: p I film 14; the P I film 14 is located over the first display layer 13.

In the case of this, the P I film 14 is a polyimide film, and is a film-like insulating material having the best worldwide performance.

In a preferred embodiment, the lower substrate 2 is a PCB substrate, an FPC substrate, a glass substrate, or a P I flexible substrate.

In this embodiment, the lower substrate 2 may be selected from one of a PCB substrate, an FPC substrate, a glass substrate, or a P I flexible substrate, and is basically used in combination with the upper layer of the present invention.

In a preferred embodiment, please refer to fig. 4, which is a schematic structural diagram of a lower substrate 2 according to an embodiment of the present invention, wherein the lower substrate 2 includes: a second display layer 21, a base material layer 22, a second circuit layer 23, and a second insulating layer 24;

the substrate layer 22 is located below the second display layer 21, the second circuit layer 23 is located below the substrate layer 22, and the second insulating layer 24 is located below the second circuit layer 23;

the substrate layer 22 is provided with a through hole for communicating the second circuit layer 23 with the second display layer 21; the substrate layer 22 and the second insulating layer 24 are both made of insulating materials; the second circuit layer 23 and the second display layer 21 are both made of conductive materials; the second circuit layer 23 is used for energizing the second display layer 21.

In this embodiment, the second circuit layer 23 is laid with a plurality of circuits for energizing, and these circuits do not interfere with each other and can be energized independently. One end of the circuit is connected to the segment code portion corresponding to the second display layer 21, and the other end is connected to the driving board by means of a flexible circuit board. The substrate layer 22 is disposed between the second display layer 21 and the second circuit layer 23, and is provided with a through hole for connecting the second display layer 21 and the second circuit layer 23, so as to realize the energization of the second circuit layer 23 and the second display layer 21, and avoid the short circuit between the second circuit layer 23 and the second display layer 21. The insulating material used to form the second substrate layer 22 is also used to fill the gaps between the wires of the second wire layer 23, so as to insulate the wires from each other, so as to avoid short-circuiting. The second display layer 21 has different lines for connecting different segment code portions, and the different segment code portions are not communicated with each other.

It should be noted that, if the lower substrate 2 is a PCB substrate or an FPC substrate, the conductive materials of the second circuit layer 23 and the second display layer 21 are copper, that is, the two-sided board is made by the process of PCB and FPC, the second circuit layer 23 and the second display layer 21 can be connected by providing a through hole in the base material layer 22, and the material of the second insulating layer 24 is insulating green oil, or a film of P I materials; if the lower substrate 2 is a glass substrate or a P I flexible substrate, the design is similar to that of the upper substrate.

In a preferred embodiment, please refer to fig. 5, which is a schematic diagram of another dual-substrate segment code electronic paper module structure according to an embodiment of the present invention, the module further includes: the first adhesive layer and the second adhesive layer;

the first adhesive layer is located between the upper substrate and the ink capsule layer 3, and the second adhesive layer is located between the lower substrate and the ink capsule layer 3.

In this embodiment, the first adhesive layer and the second adhesive layer are both optical adhesive (OCA).

In a preferred embodiment, referring to fig. 6, a flowchart of a method for generating an upper substrate 1 according to an embodiment of the present invention includes:

s1, printing the transparent conductive material on the P I film 14 according to the circuit of the segment code to form the first circuit layer 11;

s2, printing the transparent insulating material on the first circuit layer 11 to fill up gaps among the circuits to form an insulating layer, and reserving through holes at the circuits;

and S3, printing the transparent conductive material on the first insulating layer 12 according to the shape of the segment code to form the first display layer 13.

In the present embodiment, the upper substrate 1 is produced by three-exposure development:

the first step, according to the circuit layout of the segment code designed in advance, the circuit layout of the segment code is printed on the P I film 14 by using a transparent conductive material to obtain a first circuit layer 11;

secondly, printing transparent organic materials on the first circuit layer 11 to fill gaps among lines, insulating the first circuit layer 11 from the first display layer 13 to be printed in the next step, reserving the positions of through holes connected with the first circuit layer 11, and reserving an interface position to facilitate the connection of the lines of the first circuit layer 11 with a driving board through a flexible circuit board;

third, the shape of the segment code is printed on the first insulating layer 12 by using a transparent conductive material according to the shape of the segment code designed in advance, so as to obtain the first display layer 13. It should be noted that the conductive insulating material fills the through hole of the first insulating layer 12, so that the first display layer 13 is connected to the first circuit layer 11.

It should be noted that, at present, the electronic paper segment code module adopts a single-substrate design mode of a base substrate, and when the electronic paper segment code module needs to display multiple images to be overlapped together and needs to be divided into different areas of the images, the problem that the design wiring space is insufficient and cannot be designed occurs. The double-substrate segment code electronic paper module provided by the invention can realize that the patterns corresponding to the upper substrate 1 are displayed independently, the patterns corresponding to the lower substrate 2 are displayed independently or the patterns corresponding to the upper and lower layers are displayed in an overlapping mode, and when the upper and lower substrates are displayed in an overlapping mode, the patterns are not required to be divided, overlapping areas are not required to be reset, and the technical problem of insufficient wiring design space caused by the fact that the overlapping area is too small is solved.

The following will describe the scheme of using the present invention to display the pattern corresponding to the upper substrate 1 alone, the pattern corresponding to the lower substrate 2 alone, and the pattern corresponding to the overlapping of the upper and lower layers, so as to prove the beneficial effects of the present invention; black particles in ink capsules are known to be positively charged and white particles to be negatively charged.

1. The corresponding pattern of the upper substrate 1 is displayed separately:

please refer to fig. 7, which is a schematic diagram of an embodiment of the present invention for individually displaying the corresponding patterns of the upper substrate 1; here, 111, 112, and 113 are lines of the first line layer 11, 131 and 132 are graphic segment codes of the first display layer 13, 133 is a background segment code of the first display layer 13 except the graphic segment code, 111 is energized 131, 112 is energized 132, 113 is energized 133, and the lower substrate is omitted in fig. 7.

When the display 131 is required to be black and the rest is white, the lower substrate 2 is taken as a whole and provides 0 volt, the positive 15 volts is provided for the lines of the upper substrates 112 and 113, the negative 15 volts is provided for the lines of the upper substrate 111, the 132 and 133 code portions are displayed white, and the 131 code portions are displayed black, as shown in fig. 7 b.

When the display 131 is required to be white and the rest is black, the lower substrate 2 is taken as a whole, 0 volt is provided, negative 15 volts is provided for the lines of the upper substrates 112 and 113, positive 15 volts is provided for the lines of the upper substrate 111, the 132 and 133 code sections are displayed black, and the 131 code section is displayed white, as shown in fig. 7 c.

2. The pattern corresponding to the lower substrate 2 is displayed separately:

fig. 8 is a schematic diagram of an embodiment of the present invention for individually displaying the corresponding pattern of the lower substrate 2; here, 231 and 232 are lines of the second line layer 23, 211 is a graphic segment code of the second display layer 21, 212 is a background segment code of the second display layer 21 except for the graphic segment code, 231 is power-on, 232 is power-on, 212 is power-on, and the upper substrate is omitted in fig. 8.

When the display 211 is required to be black and the rest is white, the upper substrate 1 is taken as a whole and provides 0 volt, the line of the lower substrate 231 is provided with positive 15 volts, the line of the lower substrate 232 is provided with negative 15 volts, the 211-segment code part is displayed black, and the 212-segment code part is displayed white, as shown in a graph b in fig. 8.

When the display 211 is required to be white and the rest is black, the upper substrate 1 is taken as a whole and provides 0 volt, the lower substrate 231 is provided with negative 15 volts, the lower substrate 232 is provided with positive 15 volts, the 211-segment code part is displayed white, and the 212-segment code part is displayed black, as shown in a graph c in fig. 8.

3. Displaying corresponding patterns when the upper layer and the lower layer are overlapped:

referring to fig. 7, 8 and 9, fig. 9 is a schematic diagram showing a scheme of the present invention when the upper layer and the lower layer are overlapped; when it is necessary to display the superimposed pattern of the upper substrates 131 and 211 as black and the remaining as white, three times of energization are performed:

first energizing: providing 0 volt for the upper substrate 112 and 113 lines, providing positive 15 volts for the lower substrate 231 line, and providing negative 15 volts for the lower substrate 232 line, wherein the 93-segment code part displays black and the 94-segment code part displays white;

second energizing: still provide 0 volt for upper substrate 112 and 113 circuit, provide the refreshed 0 volt for lower substrate 231 and 232 circuit, 93 code sections still display black, 94 code sections still display white at this moment;

third energizing: still provide the lower substrate 231 and 232 with 0 volts and the upper substrate 111 with 15 volts after refreshing, at this time 93 code portions still display black, 94 code portions still display white, 91 code portions and 92 code portions display black, as shown in fig. 9 b.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.

Claims (7)

1. The utility model provides a double base plate section sign indicating number electronic paper module which characterized in that includes: an upper substrate, a lower substrate, and an ink capsule layer;

the upper substrate is positioned above the ink capsule layer, and the lower substrate is positioned below the ink capsule layer;

the upper substrate and the lower substrate each contain a conductive substance.

2. The dual substrate segment code electronic paper module of claim 1 wherein the upper substrate comprises: a first circuit layer, a first insulating layer, and a first display layer;

the first circuit layer is positioned above the first insulating layer, and the first display layer is positioned below the first insulating layer;

the first insulating layer is provided with a through hole for communicating the first circuit layer and the first display layer; the first insulating layer is made of transparent insulating materials; the first circuit layer and the first display layer are both made of transparent conductive materials; the first circuit layer is used for electrifying the first display layer.

3. The dual substrate segment code electronic paper module of claim 2 wherein the upper substrate further comprises: a PI film; the PI film is located above the first display layer.

4. The dual substrate segment code electronic paper module of claim 1, wherein the lower substrate is a PCB substrate, an FPC substrate, a glass substrate, or a PI flexible substrate.

5. The dual substrate segment code electronic paper module of claim 1 wherein the lower substrate comprises: the second display layer, the substrate layer, the second circuit layer and the second insulating layer;

the substrate layer is positioned below the second display layer, the second circuit layer is positioned below the substrate layer, and the second insulating layer is positioned below the second circuit layer;

the substrate layer is provided with a through hole for communicating the second circuit layer and the second display layer; the substrate layer and the second insulating layer are both insulating materials; the second circuit layer and the second display layer are both made of conductive materials; the second circuit layer is used for electrifying the second display layer.

6. The dual substrate segment code electronic paper module of claim 1, further comprising: the first adhesive layer and the second adhesive layer;

the first adhesive layer is positioned between the upper substrate and the ink capsule layer, and the second adhesive layer is positioned between the lower substrate and the ink capsule layer.

7. The dual substrate segment code electronic paper module of claim 3 wherein the generation of the upper substrate comprises:

printing the transparent conductive material on the PI film according to the circuit of the segment code to form the first circuit layer;

printing the transparent insulating material on the first circuit layer to fill the gaps among the circuits to form an insulating layer, and reserving through holes at the circuits;

and printing the transparent conductive material on the first insulating layer according to the shape of the segment code to form the first display layer.