CN212302175U - Electrophoresis type electronic paper device for optimizing time display - Google Patents
Electrophoresis type electronic paper device for optimizing time display Download PDFInfo
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- CN212302175U CN212302175U CN202021767506.2U CN202021767506U CN212302175U CN 212302175 U CN212302175 U CN 212302175U CN 202021767506 U CN202021767506 U CN 202021767506U CN 212302175 U CN212302175 U CN 212302175U
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Abstract
The utility model discloses an electrophoresis type electronic paper device for optimizing time display belongs to electronic paper technical field, and electrophoresis type electronic paper device includes: the electrophoresis type electronic paper display screen and the driving control chip; the driving control chip stores driving waveforms with time refreshing, and can drive the display mode of the electrophoresis type electronic paper display screen to switch between a full-brushing mode and a local-brushing mode. The problem of contrast decline caused by unbalanced local brushing of the electronic paper time display device is solved, the display modes of the electronic paper time display device are enriched, individuation is achieved, and the electronic paper time display device is beneficial to application of electronic paper in the field of time display.
Description
Technical Field
The utility model relates to an electronic paper technical field especially relates to an electrophoresis type electronic paper device for optimizing time display.
Background
The electrophoretic electronic paper has attracted much attention after coming out due to its advantages of high contrast, wide viewing angle and low power consumption; find wide application in such fields as e-book products, electronic price label products, wearable devices, decoration and advertising.
On one hand, the glass substrate of the existing electronic paper device is usually passive driving glass, like LCD glass, and the lead electrodes and the display electrodes are all on the passive driving glass, which results in large manufacturing difficulty of the glass substrate, high cost and poor display effect.
On the other hand, the application of the electronic paper in some fields has great defects compared with the LCD due to the characteristics of the electronic paper itself, for example, in the field of time display screens, the waveform balance when refreshing is needed due to the characteristics of the electronic paper itself, that is, each display particle needs to be ensured in the display process: the positive voltage and the negative voltage are applied for a long time, otherwise, under a long-term unbalanced waveform, the display particles of the electronic paper are polarized, the electronic paper is damaged, and the display effect is influenced. However, in order to satisfy waveform balance, waveforms for balancing changing numbers need to be added to the time display segment needing to be changed when the electronic paper displays time, but the waveforms do not need to be displayed in the application scene of the terminal client, which not only wastes time and increases driving power consumption, but also affects the actual observation effect of the client on the product, and is not beneficial to popularization and application of the electronic paper in the time display field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, develop an electrophoresis type electronic paper device for optimizing time display.
The technical scheme of the utility model is that:
an electrophoretic type electronic paper device for optimizing time display, the device comprising: the electrophoresis type electronic paper display screen is connected with the drive control chip;
the electronic paper display screen includes: electronic paper and a glass substrate to which the electronic paper is attached;
the glass substrate comprises an ITO layer, an OC layer and a molybdenum aluminum molybdenum layer; a display lead electrode is formed on the ITO layer; a display electrode is formed on the molybdenum-aluminum-molybdenum layer; the OC layer separates a display lead electrode on the ITO layer from a display electrode on the molybdenum-aluminum-molybdenum layer, and the display lead electrode and the display electrode are conducted in a mode of punching on the OC layer;
the driving control chip stores driving waveforms with time refreshing, and the driving waveforms comprise a waveform for driving the display mode of the electrophoresis type electronic paper display screen to be a local brushing mode, a waveform for driving the display mode of the electrophoresis type electronic paper display screen to be a full-brushing positive display mode and a waveform for driving the display mode of the electrophoresis type electronic paper display screen to be a full-brushing negative display mode; the display mode of the electrophoresis type electronic paper display screen is switched among a local brushing mode, a full brushing positive display mode and a full brushing negative display mode.
Preferably, the electronic paper comprises an electronic paper ITO layer, a microcapsule charged particle layer and a glue layer; the glue layer is attached to the molybdenum-aluminum-molybdenum layer of the glass substrate; the microcapsule charged particle layer works in an electric field generated by the ITO layer of the electronic paper and the molybdenum-aluminum-molybdenum layer of the glass substrate.
Preferably, a common lead electrode is further arranged on the ITO layer of the glass substrate; the common lead electrode is connected with the electronic paper ITO layer through a transfer electrode.
Preferably, the ITO layer of the glass substrate further includes a pad electrode for binding the driving control chip and a control pin electrode for controlling the driving control chip, which are not covered by the OC layer; the pad electrode comprises an input end and an output end, the input end is connected to the control pin electrode of the ITO layer of the glass substrate, and the output end is connected to the display lead electrode and the common electrode; and the control pin electrode is in compression joint with the flexible circuit board.
Preferably, the driving control chip is bound with the pad electrode of the ITO layer of the glass substrate through an anisotropic conductive film.
Preferably, the output end of the driving control chip is connected with the common lead electrode and the display lead electrode.
Preferably, the output end of the drive control chip outputs a voltage waveform of 0-15V.
Preferably, the electrophoretic electronic paper display screen further includes: and the protective film body is attached to the surface of the electronic paper and forms a closed structure together with the glass substrate.
Preferably, the display lead electrodes include a background segment display lead electrode and a graphic display lead electrode; the display electrodes comprise background display electrodes and pen section display electrodes; the pen section display electrodes at least comprise a first pen section display electrode and a second pen section display electrode.
The utility model discloses following beneficial effect has: the utility model provides an among the electrophoresis type electronic paper device, the glass substrate comprises three layer construction, separates the lead wire on with the ITO layer through the OC layer and the display electrode on the molybdenum aluminium molybdenum layer, and is with low costs, does benefit to processing to can be very perfect realize the display effect that disconnected sign indicating number product wanted. And simultaneously, the utility model provides an electrophoresis type electronic paper device, include: the electrophoresis type electronic paper display screen and the driving control chip; the driving control chip stores driving waveforms with time refreshing, and can drive the display mode of the electrophoresis type electronic paper display screen to switch between a full-brushing mode and a local-brushing mode. The problem of contrast decline caused by unbalanced local brushing of the electronic paper time display device is solved, the display modes of the electronic paper time display device are enriched, individuation is achieved, and the electronic paper time display device is beneficial to application of electronic paper in the field of time display.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an electronic paper device according to the present invention;
FIG. 2 is a schematic diagram of a driving waveform of the electronic paper apparatus of the present invention operating in a full-brush positive display mode;
FIG. 3 is a schematic diagram of a driving waveform of the electronic paper apparatus of the present invention operating in a full-brush negative display mode;
FIG. 4 is a schematic diagram of a driving waveform of the electronic paper device of the present invention operating in the office brush mode;
in the figure: 1. FPC (flexible printed circuit board), 2, drive control chip IC, 3, protective film body, 4, common electrode, 5, molybdenum aluminum molybdenum layer, 6, OC layer, 7, ITO layer, 8, glass substrate (lower substrate), 9, transfer printing electrode, 10, upper substrate, 11, electronic paper ITO layer, 12, display medium layer, 13, glue film.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Referring to fig. 1, a schematic structural diagram of an electrophoretic electronic paper device for optimizing time display according to an embodiment of the present invention is shown. The electrophoresis type electronic paper device includes:
the electrophoresis type electronic paper display screen is connected with the drive control chip 2; the electrophoresis type electronic paper display screen is controlled to display a desired pattern by setting a driving waveform and a driving timing applied to an input terminal of the driving control chip.
The drive control chip 2 has a waveform storage function, and can freely switch between a local brush mode and a full brush mode. Specifically, the driving control chip 2 stores driving waveforms with time refreshing, and the driving waveforms include a waveform in which the display mode of the driving electrophoretic electronic paper display screen is the local brush mode, a waveform in which the display mode of the driving electrophoretic electronic paper display screen is the full-brush positive display mode, and a waveform in which the display mode of the driving electrophoretic electronic paper display screen is the full-brush negative display mode; the display mode of the electrophoretic electronic paper display screen is switched among a local brushing mode, a full brushing positive display mode and a full brushing negative display mode.
Wherein, the local refresh mode refers to local refresh for time display; the full-refresh positive display mode refers to full refresh and time display in the positive display mode, and the full-refresh negative display mode refers to full refresh and time display in the negative display mode.
The electrophoresis type electronic paper display screen has the following structure:
an upper substrate 10, electronic paper, and a glass substrate 8 to which the electronic paper is attached.
The electronic paper comprises an electronic paper ITO layer 11, a microcapsule charged particle layer (namely a display medium layer 12) and a glue layer 13.
A glass substrate, that is, a lower substrate 8, includes a 3-layer structure of an ITO (tin oxide) layer 7, an OC layer (insulating layer) 6, and a molybdenum aluminum molybdenum layer 5 from below and above, respectively;
a display lead electrode and a common lead electrode are arranged on the ITO layer 7 of the glass substrate 8; the display lead electrodes include a background segment display lead electrode and a graphic display lead electrode. A common electrode 4 is formed on the surface of the ITO layer 7; the common electrode 4 is connected with the electronic paper ITO layer 11 through the transfer electrode 9; the ITO layer 7 also comprises a pad electrode which is not covered by OC and is used for binding a driving control chip and a control pin electrode for controlling the driving control chip; the pad electrode comprises an input end and an output end, the input end is connected to the control pin electrode of the ITO layer of the glass substrate, and the output end is connected to the display lead electrode and the common electrode; the control pin electrodes are crimped to FPC 1.
The driving control chip 2 is bonded to the pad electrode of the ITO layer 7 of the lower substrate 8 through an ACF (Anisotropic Conductive Film). The output end of the drive control chip 2 is connected with the common lead electrode and the display lead electrode, and the display graph is controlled by setting the drive waveform and the drive time sequence applied to the input end of the drive control chip. The output end of the drive control chip can output a voltage waveform of 0-15V at will.
And the 0C layer 6 is made of insulating resin, and is used for separating the display lead electrode on the ITO layer 7 and the display electrode on the molybdenum-aluminum-molybdenum layer 5 through an insulating layer and conducting the display lead electrode and the display electrode in a mode of punching on the OC layer 6.
And the molybdenum-aluminum-molybdenum layer 5 is provided with an image display layer and comprises a background pattern. The pattern pitch on the image display layer is 0.03mm, and due to the diffusion effect of electronic paper capsule particles, a seam of 0.03mm between patterns can be covered by the surrounding particles with the same color when the electronic paper device works, and the seam can not be seen in a display picture. A display electrode is formed on the surface of the molybdenum-aluminum-molybdenum layer 5; the molybdenum-aluminum-molybdenum layer 5 is connected with a display medium layer 12 through a glue layer 13, and the display medium layer 12 is contained between the glue layer 13 and the electronic paper ITO layer 11; an electric field is formed between the molybdenum aluminum molybdenum layer 5 and the electronic paper ITO layer 11, and the electric field is enough to drive the display of the display medium layer 12. The black and white charged particles in the electronic paper move up and down under the action of the electric field, and the driving waveform in the IC is changed through a program to obtain a desired pattern.
The display electrodes are multiple, and the display electrodes 5 comprise background electrodes; the polarity of the electric signal applied to the background electrode is opposite to that of the electric signal applied to the background electrode corresponding to the final period of the screen brushing and the previous period of the final period. The display electrode 5 further includes a segment pixel electrode; the pen segment pixel electrodes at least comprise a first pen segment pixel electrode and a second pen segment pixel electrode; any segment of the display content can be considered as a first segment pixel electrode and a second segment pixel electrode, and the filling of the blank outside the display content is a background electrode.
In addition, the electrophoresis type electronic paper device further comprises a protective film body 3 which is attached on the upper substrate 10 and forms a closed structure together with the lower substrate 8.
Further, in the full-brush positive display mode, according to the sequence from the first time period to the fourth time period shown in fig. 2, the electrical signal applied to the first segment of pixel electrode is sequentially a negative polarity signal, a positive polarity signal, and a positive polarity signal, the electrical signal applied to the second segment of pixel electrode is sequentially a negative polarity signal, a positive polarity signal, and a negative polarity signal, the electrical signal applied to the background electrode is sequentially a negative polarity signal, a positive polarity signal, and a negative polarity signal, and the electrical signal applied to the common electrode is sequentially a positive polarity signal, a negative polarity signal, and a positive polarity signal;
in the full-brush negative display mode, according to the sequence from the first time period to the fourth time period shown in fig. 3, the electrical signals applied to the first segment of pixel electrodes are sequentially negative polarity signals, positive polarity signals and negative polarity signals, the electrical signals applied to the second segment of pixel electrodes are sequentially negative polarity signals, positive polarity signals and positive polarity signals, the electrical signals applied to the background electrode are sequentially negative polarity signals, positive polarity signals and negative polarity signals, and the electrical signals applied to the common electrode are sequentially positive polarity signals, negative polarity signals and positive polarity signals;
in the local brush mode, according to the sequence from the first time interval to the second time interval shown in fig. 4, there are four cases in which the first segment of pixel electrical signal and the second segment of pixel electrical signal are compared according to the previous and subsequent data (taking black and white electronic paper as an example):
(1) the electrical signals applied to the electrodes from white to white are positive polarity signals and negative polarity signals in sequence
(2) From black to black, the electrical signals applied to the electrodes are positive polarity signals and negative polarity signals in sequence
(3) The electric signals applied to the electrodes from white to black are positive polarity signals and positive polarity signals in sequence
(4) Black to white, the electrical signal applied to the electrode is a negative polarity signal and a negative polarity signal in this order
The electric signal of the common electrode is a positive polarity signal and a negative polarity signal in sequence.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. An electrophoretic type electronic paper device for optimizing time display, the device comprising: the electrophoresis type electronic paper display screen is connected with the drive control chip;
the electronic paper display screen includes: electronic paper and a glass substrate to which the electronic paper is attached;
the glass substrate comprises an ITO layer, an OC layer and a molybdenum aluminum molybdenum layer; a display lead electrode and a public lead electrode are formed on the ITO layer; a display electrode is formed on the molybdenum-aluminum-molybdenum layer; the OC layer separates a display lead electrode on the ITO layer from a display electrode on the molybdenum-aluminum-molybdenum layer, and the display lead electrode and the display electrode are conducted in a mode of punching on the OC layer;
the driving control chip stores driving waveforms with time refreshing, and the driving waveforms comprise a waveform for driving the display mode of the electrophoresis type electronic paper display screen to be a local brushing mode, a waveform for driving the display mode of the electrophoresis type electronic paper display screen to be a full-brushing positive display mode and a waveform for driving the display mode of the electrophoresis type electronic paper display screen to be a full-brushing negative display mode; the display mode of the electrophoresis type electronic paper display screen is switched among a local brushing mode, a full brushing positive display mode and a full brushing negative display mode.
2. The electrophoretic electronic paper device according to claim 1, wherein the electronic paper comprises an electronic paper ITO layer, a microcapsule charged particle layer, and a glue layer; the glue layer is attached to the molybdenum-aluminum-molybdenum layer of the glass substrate; the microcapsule charged particle layer works in an electric field generated by the ITO layer of the electronic paper and the molybdenum-aluminum-molybdenum layer of the glass substrate.
3. An electrophoretic electronic paper device as claimed in claim 2, wherein a common electrode is further disposed on the ITO layer of the glass substrate; the common electrode is connected with the electronic paper ITO layer through a transfer printing electrode.
4. The electrophoresis type electronic paper device according to claim 1, wherein the ITO layer of the glass substrate further comprises a pad electrode for binding the driving control chip and a control pin electrode for controlling the driving control chip, which are not covered by the OC layer; the pad electrode comprises an input end and an output end, the input end is connected to the control pin electrode of the ITO layer of the glass substrate, and the output end is connected to the display lead electrode and the common electrode; and the control pin electrode is in compression joint with the flexible circuit board.
5. An electrophoretic electronic paper apparatus as claimed in claim 4, wherein the driving control chip is bonded to the pad electrode of the ITO layer of the glass substrate through an anisotropic conductive film.
6. An electrophoretic electronic paper device as claimed in claim 2, wherein the output terminal of the driving control chip is connected to the common lead electrode and the display lead electrode.
7. The electrophoretic electronic paper apparatus of claim 1, wherein the output terminal of the driving control chip outputs a voltage waveform of 0-15V.
8. The electrophoretic electronic paper device according to claim 1, wherein the electrophoretic electronic paper display screen further comprises: and the protective film body is attached to the surface of the electronic paper and forms a closed structure together with the glass substrate.
9. The electrophoretic electronic paper device according to claim 1, wherein the display lead electrodes include a background segment display lead electrode and a graphic display lead electrode; the display electrodes comprise background display electrodes and pen section display electrodes; the pen section display electrodes at least comprise a first pen section display electrode and a second pen section display electrode.
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| CN202021767506.2U CN212302175U (en) | 2020-08-21 | 2020-08-21 | Electrophoresis type electronic paper device for optimizing time display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856834A (en) * | 2020-08-21 | 2020-10-30 | 大连龙宁科技有限公司 | Electrophoresis type electronic paper device for optimizing time display and driving method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856834A (en) * | 2020-08-21 | 2020-10-30 | 大连龙宁科技有限公司 | Electrophoresis type electronic paper device for optimizing time display and driving method thereof |
| CN111856834B (en) * | 2020-08-21 | 2024-05-14 | 大连龙宁科技有限公司 | Electrophoresis type electronic paper device for optimizing time display and driving method thereof |
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