CN114153100A - Flexible electronic paper segment code display panel, preparation method and display device - Google Patents
Flexible electronic paper segment code display panel, preparation method and display device Download PDFInfo
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- CN114153100A CN114153100A CN202111506687.2A CN202111506687A CN114153100A CN 114153100 A CN114153100 A CN 114153100A CN 202111506687 A CN202111506687 A CN 202111506687A CN 114153100 A CN114153100 A CN 114153100A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F1/16755—Substrates
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/1685—Operation of cells; Circuit arrangements affecting the entire cell
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Abstract
The embodiment of the invention discloses a flexible electronic paper segment code display panel, a preparation method and a display device. This flexible electronic paper segment code display panel includes: a first PET and a second PET; a first connecting circuit layer and a first display circuit layer on the first PET layer; a second connection line layer and a second display line layer on the second PET layer; the second PET is positioned below the first PET, the second PET is fixedly connected with the first PET, the second display circuit layer comprises character patterns, and the part, corresponding to the character patterns, of the first display circuit layer is hollowed; the first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode. Compared with the prior art, the embodiment of the invention can reduce the process difficulty, reduce the process flow, reduce the production and manufacturing cost and realize the same display effect as the PI substrate technology.
Description
Technical Field
The embodiment of the invention relates to the technical field of electronic paper, in particular to a flexible electronic paper segment code display panel, a preparation method and a display device.
Background
In the field of low-power-consumption display, the flexible electronic paper segment code display technology has wide application prospect. In the application of the segment code display, compared with a segment code liquid crystal display device, the flexible electronic paper segment code display panel has the advantages of high contrast, low power consumption, no need of backlight and the like.
Fig. 1 is a schematic structural diagram of a flexible electronic paper segment code display panel in the prior art, and referring to fig. 1, in a flexible electronic paper segment code screen design, a flexible PI base material 10, a circuit layer 11, an insulating layer 12 and a graphic layer 13 are generally stacked on a surface of a glass substrate in sequence. By adopting a double-layer metal wiring scheme, the circuit layer 11 and the graphic layer 13 are etched by using two photomasks respectively, and then the flexible PI base material 10 is peeled off from the glass substrate, but the problems of low efficiency, low yield, high process difficulty, high cost and the like exist.
Disclosure of Invention
The invention provides a flexible electronic paper segment code display panel, a preparation method and a display device, which can reduce the process difficulty, reduce the process flow, reduce the production and manufacturing cost and realize the same display effect as the PI substrate technology.
In a first aspect, an embodiment of the present invention provides a flexible electronic paper segment code display panel, where the display panel includes:
a first PET and a second PET;
a first connecting circuit layer and a first display circuit layer on the first PET layer;
a second connection line layer and a second display line layer on the second PET layer;
the second PET is positioned below the first PET, the second PET is fixedly connected with the first PET, the second display circuit layer comprises character patterns, and the part, corresponding to the character patterns, of the first display circuit layer is hollowed; the first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode.
Optionally, the first PET and the second PET are bonded by OCA glue.
Optionally, the first display line layer includes a first background layer; the second display line layer comprises a second background layer;
the first connecting circuit layer comprises a first public circuit channel, the second connecting circuit layer comprises a second public circuit channel, and the first public circuit channel is connected with the second public circuit channel in a point silver paste mode.
Optionally, the first background image layer and the second background image layer are connected in a point silver paste manner.
Optionally, the second display line layer includes a hollow area, and a pattern of the hollow area is consistent with the character pattern.
Optionally, the second display line layer includes a hollow area, the hollow area includes a plurality of areas, and each area faces at least one character in the character pattern.
Optionally, the material of the first connecting line layer, the second connecting line layer, and the first display line layer and the second display line layer is copper.
In a second aspect, an embodiment of the present invention further provides a method for manufacturing a flexible electronic paper segment code display panel, where the method includes:
providing first and second PET coated with copper;
etching copper on the first PET to form a first connecting circuit layer and a first display circuit layer;
etching copper on the second PET to form a second connecting circuit layer and a second display circuit layer, wherein the second display circuit layer comprises character patterns, and the part, corresponding to the character patterns, of the first display circuit layer is hollowed;
fixedly connecting the first PET and the second PET;
and connecting the first connecting circuit layer and the second connecting circuit layer in a point silver paste mode.
Optionally, the first display line layer includes a first background layer; the second display line layer comprises a second background layer; the method further comprises the following steps: and when the first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode, the first background image layer and the second background image layer are connected in a point silver paste mode.
In a third aspect, an embodiment of the present invention further provides a display device, where the display device includes the flexible electronic paper segment code display panel provided in any embodiment of the present invention.
According to the technical scheme of the embodiment, a first connecting circuit layer and a first display circuit layer are formed on a first PET layer through etching; etching the second PET layer to form a second connecting circuit layer and a second display circuit layer; the second PET is positioned below the first PET and fixedly connected with the first PET, the second display circuit layer comprises character patterns, and the parts, corresponding to the character patterns, of the first display circuit layer are hollowed; the first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode. In the prior art, a scheme of double-layer metal routing is adopted by using a flexible PI substrate, two photomasks are used for etching a circuit layer and a graph layer respectively, and the flexible PI substrate and a glass substrate are peeled off, but the problems of low efficiency, low yield, high process difficulty and high cost exist. In the embodiment, a PET substrate is adopted to replace a PI substrate, and a first connecting circuit layer and a first display circuit layer are formed on an upper layer PET (first PET) by etching; etching and forming a second connecting circuit layer and a second display circuit layer on the lower layer PET (second PET); the upper layer PET and the lower layer PET are fixed through an adhesive, and the operation of peeling from the glass substrate is not needed. Therefore, the problems of low efficiency and low yield in the prior art of manufacturing the flexible electronic paper segment code by using the flexible PI base material can be solved. The PET substrate is convenient to obtain, low in cost, simple in manufacturing process and mature and reliable in etching process, so that the PET substrate is adopted to replace the PI substrate, the process difficulty is reduced, the manufacturing process is simplified, the cost is reduced, and the display effect identical to that of the PI substrate technology is realized. On the basis of using the double-layer PET, in order to further realize pattern display, hollowing out the part of the first display circuit layer, which is opposite to the corresponding character pattern; the first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode. And compare with prior art utilization metallization and electroplating process conduction line layer, connect first connecting circuit layer and second connecting circuit layer through the mode of point silver thick liquid and can reduce the use of many environment-polluting's chemicals in the manufacturing process, shorten the manufacturing procedure.
Drawings
FIG. 1 is a schematic diagram of a flexible electronic paper segment code display panel in the prior art;
fig. 2 is a schematic diagram of a first PET of a flexible electronic paper segment code display panel according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second PET of a flexible electronic paper segment code display panel according to an embodiment of the invention;
fig. 4 is a partially enlarged schematic view of a flexible electronic paper segment code display panel according to an embodiment of the present invention after combining a first PET and a second PET;
fig. 5 is a schematic structural diagram of a flexible electronic paper segment code display panel according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a first PET of a flexible electronic paper segment code display panel according to another embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 2 is a schematic diagram of a first PET of a flexible electronic paper segment code display panel according to an embodiment of the present invention, fig. 3 is a schematic diagram of a second PET of the flexible electronic paper segment code display panel according to the embodiment of the present invention, and fig. 4 is a schematic diagram of a combination of the first PET and the second PET of the flexible electronic paper segment code display panel according to the embodiment of the present invention. Referring to fig. 2 to 4, an embodiment of the present invention provides a flexible electronic paper segment code display panel, including: a first PET21 and a second PET 22; a first connection wiring layer 211 and a first display wiring layer 212 on the first PET21 layer; a second connection wiring layer 221 and a second display wiring layer 222 on the second PET22 layer; the second PET22 is located below the first PET21, the second PET22 is fixedly connected with the first PET21, the second display circuit layer 222 comprises character patterns, and the part, corresponding to the character patterns, of the first display circuit layer 212 is hollowed; the first connection wiring layer 211 and the second connection wiring layer 221 are connected by means of point silver paste.
Specifically, the flexible electronic paper segment code display panel comprises a first PET21 and a second PET22, and a layer of high-purity oxygen-free copper is deposited on the surface of a PET (Polyethylene terephthalate) substrate in a vacuum magnetron sputtering mode, so that the flexible electronic paper segment code display panel has electric conduction and heat conduction characteristics. The copper layer is etched on the first PET21 layer to form the first connection wiring layer 211 and the first display wiring layer 212, and the second connection wiring layer 221 and the second display wiring layer 222 are etched on the second PET22 layer. The second display circuit layer 222 may be a character pattern, the character pattern may be an 8-shaped character segment and a dot pattern, the shape and the number of the character pattern may be set according to the display requirement, and the specific number and the shape of the pattern are not limited in the embodiment of the present invention. The first display circuit layer 212 is just opposite to the part of the character pattern in a hollow-out arrangement, for example, copper required for the hollow-out part can be removed through etching, the hollow-out part can be removed in a whole or character sections in the hollow-out part can be removed, only PET is reserved, the hollow-out part of the first display circuit layer 212 just opposite to the corresponding character pattern is used for displaying a digital section code after being sleeved with the character pattern of the second display circuit layer 222, and the non-hollow-out part does not display the digital section code. The second PET22 is located below the first PET21, the second PET22 is fixedly connected with the first PET21 through adhesive glue, so that the character patterns of the second display circuit layer 222 correspond to the hollow-out parts of the first display circuit layer 212, and the first display circuit layer 212 and the second display circuit layer 222 cooperate to form a display unit of the electronic paper segment code display module, which is used for displaying 0-9 character segments and dot patterns; the first connecting circuit layer 211 and the second connecting circuit layer 221 are connected with the display driving IC30 through a point silver paste method, the position of the point silver paste is 40, and the display driving IC30 is used for controlling the flexible electronic paper segment code to display.
According to the technical scheme of the embodiment, a first connecting circuit layer and a first display circuit layer are formed on a first PET layer through etching; etching the second PET layer to form a second connecting circuit layer and a second display circuit layer; the second PET is positioned below the first PET and fixedly connected with the first PET, the second display circuit layer comprises character patterns, and the parts, corresponding to the character patterns, of the first display circuit layer are hollowed; the first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode. In the prior art, a scheme of double-layer metal routing is adopted by using a flexible PI substrate, two photomasks are used for etching a circuit layer and a graph layer respectively, and the flexible PI substrate and a glass substrate are peeled off, but the problems of low efficiency, low yield, high process difficulty and high cost exist. In the embodiment, a PET substrate is adopted to replace a PI substrate, and a first connecting circuit layer and a first display circuit layer are formed on an upper layer PET (first PET) by etching; etching and forming a second connecting circuit layer and a second display circuit layer on the lower layer PET (second PET); the upper layer PET and the lower layer PET are fixed through an adhesive, and the operation of peeling from the glass substrate is not needed. Therefore, the problems of low efficiency and low yield in the prior art of manufacturing the flexible electronic paper segment code by using the flexible PI base material can be solved. The PET substrate is convenient to obtain, low in cost, simple in manufacturing process and mature and reliable in etching process, so that the PET substrate is adopted to replace the PI substrate, the process difficulty is reduced, the manufacturing process is simplified, the cost is reduced, and the display effect identical to that of the PI substrate technology is realized. On the basis of using the double-layer PET, in order to further realize pattern display, hollowing out the part of the first display circuit layer, which is opposite to the corresponding character pattern; the first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode. And compare with prior art utilization metallization and electroplating process conduction line layer, connect first connecting circuit layer and second connecting circuit layer through the mode of point silver thick liquid and can reduce the use of many environment-polluting's chemicals in the manufacturing process, shorten the manufacturing procedure.
Fig. 5 is a schematic structural view of a flexible electronic paper segment code display panel according to an embodiment of the present invention, and referring to fig. 5, optionally, the first PET21 and the second PET22 are bonded by OCA glue 23.
Because OCA glues 23 and has good adhesive strength, good water resistance and high reliability, consequently, first PET21 and second PET22 glue together through OCA and 23, can realize flexible electronic paper segment code and show. The OCA glue 23 can improve the fastening performance between the first PET21 and the second PET22, is beneficial to reducing the interference between lines of each layer, improves the display quality, and does not generate the problems of yellowing or yellowing, peeling and deterioration after long-term use.
Optionally, the first display circuit layer includes a first background layer; the second display line layer comprises a second background layer;
the first connecting circuit layer comprises a first public circuit channel, the second connecting circuit layer comprises a second public circuit channel, and the first public circuit channel and the second public circuit channel are connected in a point silver paste mode.
The first display line layer may be formed by a first background layer; the second display line layer may be formed of a second background layer and a character pattern including a plurality of displays, each of which may be formed of 7 display segments and may have a figure-8 shape. The character pattern part of the first display circuit layer corresponding to the second display circuit layer needs to be etched to remove copper, and the etching can remove the pattern part in a whole block or can remove the part which is overlapped with the character pattern. Fig. 6 is a schematic diagram of a first PET of a flexible electronic paper segment code display panel according to another embodiment of the present invention, and referring to fig. 6, fig. 6 exemplarily shows a pattern removal of a corresponding overlapping portion of a character pattern of a first display circuit layer 212 and a second display circuit layer. With continued reference to fig. 2, fig. 2 illustratively shows the first display line layer 212 with the entire block pattern removed corresponding to the character pattern of the second display line layer.
It should be noted that the second connection line layer further includes a plurality of driving lines, and each driving line includes 7 connection lines and is respectively connected to the display segments. The connecting lines in the driving circuit are arranged in one-to-one correspondence with the display sections, and the connecting positions of the connecting lines and the display sections can be reasonably adjusted according to actual conditions. The color of the character pattern and the color of the background layer cannot be the same, and the colors are different so as to be distinguished and be convenient for displaying the digital field codes. Illustratively, if the character pattern displays black, the background layer displays white.
With continued reference to fig. 2-4, the first connecting wiring layer 211 includes a first common wiring channel and the second connecting wiring layer 221 includes a second common wiring channel, the first common wiring channel and the second common wiring channel being connected by means of a point silver paste, the point silver paste being located at 40. The background layer and the character pattern are connected by common cathode, the first common line channel and the second common line channel are equivalent to a cathode, and the driver IC30 is electrically connected to the background layer and the character pattern through the first common line channel and the second common line channel.
Optionally, the second display circuit layer includes a hollow area, and a pattern of the hollow area is consistent with the character pattern.
The pattern of the hollowed-out area of the second display circuit layer is consistent with the character pattern, namely the character pattern is outside, the pattern of the hollowed-out area is embedded in the character pattern, and the pattern of the hollowed-out area and the character pattern can be formed in the same plane through one-time etching, so that the manufacturing process is simplified; the thickness of the second display circuit layer can be reduced, and space is saved. When the driving IC drives the second display circuit layer to display the segment codes, the hollow area of the second display circuit layer can display the character segment codes of 0-9.
With continued reference to fig. 4, optionally, the second display circuit layer includes a hollow area, the hollow area includes a plurality of areas, and each area is directly opposite to at least one character in the character pattern.
The hollow areas of the second display line layer may be a plurality of areas, for example, the patterns of the hollow areas may be 16 character segment patterns in an 8-letter shape and 2 dot patterns, and thus the hollow areas are divided into character segment hollow areas corresponding to the character segment patterns and dot hollow areas corresponding to the dot patterns. The number of the characters in the character pattern, which is directly faced by the hollow area, of the at least one character can be one or more than one, and the specific number of the characters is not limited in the embodiment of the invention. When the driving IC controls to light the flexible electronic paper segment code, the second background layer of the second display line layer is a non-hollow area and does not display patterns; and lightening the character section hollowed-out areas and the dot hollowed-out areas in the hollowed-out areas of the second display line layer, wherein each hollowed-out area can display 0-9 character section codes.
Compared with the prior art that two photomasks are used for etching the circuit layer and the graphic layer respectively, the flexible electronic paper segment code display device is characterized in that the circuit layer and the graphic layer are etched on the same display circuit layer to form the background graphic layer and the hollow area, so that the flexible electronic paper segment code display is realized, the process is simplified, the production efficiency is improved, and the production cost is reduced.
Optionally, the first background image layer and the second background image layer are connected in a point silver paste manner.
The first background image layer and the second background image layer are connected in a silver paste dispensing mode, the silver paste dispensing technology is mature, the process difficulty is low, the manufacturing process is simple, the cost is low, batch production is facilitated, the product quality and the process stability are greatly improved, and the reliability of the display panel is enhanced.
Optionally, the material of the first connecting circuit layer, the second connecting circuit layer, and the first display circuit layer and the second display circuit layer is copper.
Wherein, the material of first connecting circuit layer, second connecting circuit layer and first demonstration circuit layer, second demonstration circuit layer is metal copper, and copper has good electric conductivity, has low surface oxygen characteristic, can adhere to various different substrates to provide electromagnetic shield's function.
The embodiment of the invention also provides a preparation method of the flexible electronic paper segment code display panel, which comprises the following steps:
providing first and second PET coated with copper;
etching copper on the first PET to form a first connecting circuit layer and a first display circuit layer;
etching copper on the second PET to form a second connecting circuit layer and a second display circuit layer, wherein the second display circuit layer comprises character patterns, and the part, corresponding to the character patterns, of the first display circuit layer is hollowed;
fixedly connecting the first PET with the second PET;
and connecting the first connecting circuit layer and the second connecting circuit layer in a point silver paste mode.
Specifically, the upper layer and the lower layer of the display panel are both PET base materials, and the surface of the PET base materials is coated with a layer of thin and uniform copper to form the first PET and the second PET. The etching may be performed by dissolving copper on the first PET by a copper chloride hydrochloric acid system etching solution to remove copper on the first PET to form the first connection wiring layer and the first display wiring layer and to remove copper on the second PET to form the second connection wiring layer and the second display wiring layer. The plasma can be used for etching, the activity of gas in the plasma is much stronger than that in the normal state, and proper gas is selected according to different etched materials to realize etching. The plasma can be guided and accelerated by the electric field to have certain energy, and atoms of the material of the etched object can be knocked out when the plasma bombards the surface of the etched object, so that the aim of etching by utilizing physical energy transfer is fulfilled. The second display circuit layer comprises character patterns, and the part of the first display circuit layer, which is opposite to the corresponding character patterns, is provided with hollows; fixedly connecting the first PET with the second PET through OCA glue; utilize some silver thick liquid modes to connect first connecting circuit layer and second connecting circuit layer, can reduce the use of many environment-polluting's chemicals in the manufacturing process, shorten the manufacturing procedure.
The display panel provided by any embodiment of the invention can be prepared by the method, so the preparation method has the same beneficial effects as the display panel, and the details are not repeated herein.
Optionally, the first display circuit layer includes a first background layer; the second display line layer comprises a second background layer; the method further comprises the following steps: and connecting the first connecting circuit layer and the second connecting circuit layer in a point silver paste mode, and connecting the first background image layer and the second background image layer in a point silver paste mode.
The first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode, the first background image layer and the second background image layer are connected at the same time, the first connecting circuit layer and the second connecting circuit layer are connected with the driving IC after being connected in a point silver paste mode, and the driving IC is used for controlling the flexible electronic paper segment codes to display.
The embodiment of the invention also provides a display device which comprises the flexible electronic paper segment code display panel provided by any embodiment of the invention.
Since the display device includes the flexible electronic paper segment code display panel provided in any embodiment of the present invention, the display device and the flexible electronic paper segment code display panel have the same beneficial effects, and are not described herein again.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A flexible electronic paper segment code display panel, comprising:
a first PET and a second PET;
a first connecting circuit layer and a first display circuit layer on the first PET layer;
a second connection line layer and a second display line layer on the second PET layer;
the second PET is positioned below the first PET, the second PET is fixedly connected with the first PET, the second display circuit layer comprises character patterns, and the part, corresponding to the character patterns, of the first display circuit layer is hollowed; the first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode.
2. The flexible electronic paper segment code display panel of claim 1, wherein the first PET and the second PET are bonded by OCA glue.
3. The flexible electronic paper segment code display panel of claim 1, wherein the first display circuitry layer comprises a first background image layer; the second display line layer comprises a second background layer;
the first connecting circuit layer comprises a first public circuit channel, the second connecting circuit layer comprises a second public circuit channel, and the first public circuit channel is connected with the second public circuit channel in a point silver paste mode.
4. The flexible electronic paper segment code display panel of claim 3, wherein the first background image layer and the second background image layer are connected by a point silver paste.
5. The flexible electronic paper segment code display panel of claim 1, wherein the second display circuit layer comprises a hollowed-out area, and a pattern of the hollowed-out area is consistent with the character pattern.
6. The flexible electronic paper segment code display panel of claim 1, wherein the second display circuit layer comprises a hollow area, the hollow area comprising a plurality of areas, each area facing at least one character of the character pattern.
7. The flexible electronic paper segment code display panel of claim 1, wherein the material of the first and second connecting circuit layers and the first and second display circuit layers is copper.
8. A preparation method of a flexible electronic paper segment code display panel is characterized by comprising the following steps:
providing first and second PET coated with copper;
etching copper on the first PET to form a first connecting circuit layer and a first display circuit layer;
etching copper on the second PET to form a second connecting circuit layer and a second display circuit layer, wherein the second display circuit layer comprises character patterns, and the part, corresponding to the character patterns, of the first display circuit layer is hollowed;
fixedly connecting the first PET and the second PET;
and connecting the first connecting circuit layer and the second connecting circuit layer in a point silver paste mode.
9. The method according to claim 8, wherein the first display circuit layer comprises a first background layer; the second display line layer comprises a second background layer; the method further comprises the following steps: and when the first connecting circuit layer and the second connecting circuit layer are connected in a point silver paste mode, the first background image layer and the second background image layer are connected in a point silver paste mode.
10. A display device comprising the flexible electronic paper segment code display panel of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506687.2A CN114153100A (en) | 2021-12-10 | 2021-12-10 | Flexible electronic paper segment code display panel, preparation method and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506687.2A CN114153100A (en) | 2021-12-10 | 2021-12-10 | Flexible electronic paper segment code display panel, preparation method and display device |
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| Publication Number | Publication Date |
|---|---|
| CN114153100A true CN114153100A (en) | 2022-03-08 |
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| CN202111506687.2A Pending CN114153100A (en) | 2021-12-10 | 2021-12-10 | Flexible electronic paper segment code display panel, preparation method and display device |
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2021
- 2021-12-10 CN CN202111506687.2A patent/CN114153100A/en active Pending
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