CN107886906A - A kind of double-layer overlapped adds Electronic Paper driving structure - Google Patents
A kind of double-layer overlapped adds Electronic Paper driving structure Download PDFInfo
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- CN107886906A CN107886906A CN201711431163.5A CN201711431163A CN107886906A CN 107886906 A CN107886906 A CN 107886906A CN 201711431163 A CN201711431163 A CN 201711431163A CN 107886906 A CN107886906 A CN 107886906A
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- Prior art keywords
- electronic paper
- double
- glass substrate
- layer
- driving
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The present invention provides a kind of double-layer overlapped and adds Electronic Paper driving structure, it is characterised in that：It is cholesteric liquid crystal electronic paper screen including upper strata Electronic Paper, is mainly made up of the liquid crystal inside surface glass substrate, bottom glass substrate, the first drive control chip, the first driving layer FPC and liquid crystal display and glue frame etc.；First drive control chip is located on the glass substrate of bottom；Underlying electronic paper, it is electrophoretype Electronic Paper, is mainly made up of electrophoretype electronics paper membrane, back of the body glass substrate, the second drive control chip and the second driving layer FPC；Second drive control chip is on back of the body glass substrate；The test interface of upper strata Electronic Paper/underlying electronic paper drives layer FPC directly or indirectly to add Electronic Paper testing system board to link together with double-layer overlapped by the respective first driving layer FPC/ second, and double-layer overlapped adds Electronic Paper driving structure surrounding to be sealed by fluid sealant.The present invention has increase display effect, optimal inspection interface, simplifies hardware configuration and the advantages that reduce cost.
Description
Technical field
The present invention relates to a kind of double-layer overlapped to add Electronic Paper driving structure.
Background technology
In recent years, as people pursue more and more higher to the vision of electronical display effect, the research of color electric paper is with answering
With gradually of interest by people more and more, in the prior art, it is related to double-layer overlapped and adds E-paper structure, generally up/down
Layer Electronic Paper belongs to two independent different types of Electronic Papers, it is necessary to which two sets of testing system boards are driven to it, so
Afterwards cause hardware system lengthy and tedious, structure unsightly the defects of, therefore, it is necessary to provide a kind of double-layer overlapped add Electronic Paper driving knot
Structure, test system is integrated into it is a set of, to solve the deficiencies in the prior art.
The content of the invention
According to technical problem set forth above, and a kind of double-layer overlapped is provided and adds Electronic Paper driving structure.Main profit of the invention
The drive control chip of up/down Electronic Paper is connected to driving layer FPC (Flexible Printed Circuit Board)
Double-layer overlapped adds Electronic Paper testing system board, and the structure can not only increase display effect, can be simplified and surveyed with optimal inspection interface
The hardware configuration of test system, played an important role in terms of cost is reduced.
The technological means that the present invention uses is as follows：
A kind of double-layer overlapped adds Electronic Paper driving structure, it is characterised in that including：
Upper strata Electronic Paper, it is cholesteric liquid crystal electronic paper screen, mainly by surface glass substrate, bottom glass substrate, the first driving
The compositions such as liquid crystal and glue frame inside control chip, the first driving layer FPC and liquid crystal display；The first drive control chip is located at
On the bottom glass substrate；
Underlying electronic paper, it is electrophoretype Electronic Paper, is mainly controlled by electrophoretype electronics paper membrane, back of the body glass substrate, the second driving
Coremaking piece and the second driving layer FPC compositions；The second drive control chip is on the back of the body glass substrate；
The test interface of the upper strata Electronic Paper/underlying electronic paper is driven by the respective first driving layer FPC/ second
Dynamic layer FPC directly or indirectly adds Electronic Paper testing system board to link together with double-layer overlapped, and the double-layer overlapped adds Electronic Paper to drive
Structure surrounding is sealed by fluid sealant.
Further, the electric control structure unit of primary lights can also be adopted with reflection function or absorbed to the upper strata Electronic Paper,
Transparent Electronic Paper display pattern after power-up, such as Electrowetting type pattern, horizontal electrophoretic techniques pattern or electrochromism isotype；Institute
Stating underlying electronic paper and can also using to have can realize that black and white is red and the Electronic Paper of gray scale switching type.
Further, the mounting means of the first drive control chip or the second drive control chip has a lot
Kind, commonly use such as COG (Chip On Glass) or COF (Chip On Film), the control chip of the up/down layer Electronic Paper
Part can flexibly place, and can be encapsulated in respectively with up/down layer Electronic Paper drive part in a chip；Also can be with drive part
To open, the control section of up/down layer Electronic Paper integrates, and can be positioned over upper strata Electronic Paper and also be positioned over underlying electronic paper,
Or be positioned over double-layer overlapped and add on Electronic Paper testing system board, by driving layer FPC to be attached.
Further, the upper strata Electronic Paper and the underlying electronic quires added-time, to make double-layer overlapped add the side of Electronic Paper
Edge is as far as possible small, and the first drive control chip and the second drive control chip are located at homonymy as far as possible, can also heteropleural or other
Form.
Further, the upper strata Electronic Paper and the underlying electronic quires added-time, the surface glass of the upper strata Electronic Paper
The positive/negative placement of substrate, when the surface glass substrate is under, the surface glass substrate and the electrophoretype electronics paper membrane gross thickness
No more than 0.7mm.Tritionally, when the second drive control chip thickness of lower floor's Electronic Paper is less than electrophoretype electronics paper membrane, institute
The bottom glass substrate of upper strata Electronic Paper is stated in lower or upper strata Electronic Paper surface glass substrate under；When the of the underlying electronic paper
When two drive control chip thickness are more than electrophoretype electronics paper membrane, the surface glass substrate of upper strata Electronic Paper is under.When upper strata electronics
When the surface glass substrate of paper is under, 0.7mm is not to be exceeded with electrophoretype electronics paper membrane gross thickness in surface glass substrate.Up/down layer electricity
Sub- paper is bonded by the electronics paper membrane surface OCA (Optically Clear Adhesive) of underlying electronic paper.
Further, the first driving layer FPC of the upper strata Electronic Paper directly or indirectly has metal welding card with local dew
The underlying electronic paper second driving layer FPC connections；Or the second driving layer FPC of the underlying electronic paper directly or
Connect with there is the first driving layer FPC of the upper strata Electronic Paper of metal welding card to be connected with local dew, the test of up/down layer Electronic Paper
Interface is finally all connected to double-layer overlapped and added in Electronic Paper testing system board, the connected mode be hot pressing or welding or grafting or
Other connected modes.
Further, it is two-sided abnormally-structured, the two-sided abnormal shape that the first driving layer FPC/ second, which drives layer FPC,
Structure refers to that the driving layer FPC is preferably shaped to " one " font, " L " type or U-typed etc., in order to prevent from transmitting low frequency signal by
Influenceed to DC impedance, driving layer FPC should avoid unnecessary turn, use circular sliding slopes as far as possible at knuckle, shorten transmission range.
Further, the fluid sealant uses epoxide-resin glue, and its water absorption rate is less than 0.5%, and water vapor permeability is less than 4g/
(m224h), the test condition of water vapor permeability is 60 DEG C/90%RH, thickness of sample 1mm.
Compared with the prior art, two independent electronic-paper display screens are superimposed by structure of the invention, not only may be used
To increase display effect, the hardware configuration of test system with optimal inspection interface, can be simplified, risen emphatically in terms of cost is reduced
Act on.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to do simply to introduce, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that the mounting means of up/down layer Electronic Paper drive control chip of the present invention is all the face of COG and upper strata Electronic Paper
Profile of the glass substrate when upper.
Fig. 2 is that the mounting means of up/down layer Electronic Paper drive control chip of the present invention is all the face of COG and upper strata Electronic Paper
Profile when glass substrate is under.
In figure：1st, surface glass substrate；2nd, bottom glass substrate；3rd, the first drive control chip；4th, the first driving layer FPC；5、
Electrophoretype electronics paper membrane；6th, glass substrate is carried on the back；7th, the second drive control chip；8th, the second driving layer FPC；9th, fluid sealant；10th, it is double
Stacking plus Electronic Paper testing system board.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in Figure 1 and Figure 2, a kind of double-layer overlapped adds Electronic Paper driving structure, including：
Upper strata Electronic Paper, it is cholesteric liquid crystal electronic paper screen, can also uses with reflection function or absorb the electricity of primary lights
Construction unit is controlled, transparent Electronic Paper display pattern is Electrowetting type pattern, horizontal electrophoretic techniques pattern or electroluminescent change after power-up
Color pattern, layer FPC4 and liquid crystal display are mainly driven by surface glass substrate 1, bottom glass substrate 2, the first drive control chip 3, first
The composition such as internal liquid crystal and glue frame；The first drive control chip 3 is located on the bottom glass substrate 2；
Underlying electronic paper, it is electrophoretype Electronic Paper, can use to have can realize that black and white is red and the electronics of gray scale switching type
Paper, mainly it is made up of electrophoretype electronics paper membrane 5, back of the body glass substrate 6, the second drive control chip 7 and the second driving layer FPC8；Institute
The second drive control chip 7 is stated on the back of the body glass substrate 6；
In the upper strata Electronic Paper and the underlying electronic quires added-time, it is generally the case that to make double-layer overlapped add Electronic Paper
Edge it is as far as possible small, it is optimal that the first drive control chip 3 and the second drive control chip 7 are located at homonymy.Described first drives
The mounting means of dynamic control chip 3 or the second drive control chip 7 is COG or COF.
When the thickness of the second drive control of lower floor's Electronic Paper chip 7 is less than electrophoretype electronics paper membrane 5, upper strata Electronic Paper
Bottom glass substrate 2 is in lower or upper strata Electronic Paper surface glass substrate 1 under, you can using Fig. 1 or 2 structure；Work as underlying electronic
When the thickness of the second drive control of paper chip 7 is more than electrophoretype electronics paper membrane 5, the surface glass substrate 1 of upper strata Electronic Paper is under, i.e.,
Fig. 2 structure can only be used.When the surface glass substrate 1 of upper strata Electronic Paper is under, surface glass substrate 1 and electrophoretype electronics paper membrane
0.7mm is not to be exceeded in 5 gross thickness.The electronics paper membrane surface OCA (Optically that up/down layer Electronic Paper passes through underlying electronic paper
Clear Adhesive) it is bonded.
As shown in figure 1, upper strata Electronic Paper test interface directly or indirectly has gold by the first driving layer FPC4 with local dew
The underlying electronic paper second for belonging to pad face drives layer FPC8 connections；As shown in Fig. 2 underlying electronic paper test interface drives by second
The upper strata Electronic Paper first that dynamic layer FPC8 directly or indirectly has metal welding card with local dew drives layer FPC4 to be connected.Described first
Driving layer FPC4/ second drive layer FPC8 be it is two-sided abnormally-structured, it is described two-sided abnormally-structured to refer to the driving layer FPC shapes
Shape is " one " font, " L " type or U-typed etc..Influenceed to prevent from transmitting low frequency signal by DC impedance, driving layer FPC
Unnecessary turn should be avoided, circular sliding slopes is used as far as possible at knuckle, shortens transmission range.
The test interface of the upper strata Electronic Paper/underlying electronic paper is finally all connected to double-layer overlapped and adds Electronic Paper to survey
In test system plate 10.Above-mentioned connected mode can be hot pressing, or welding or other connected modes.The double-layer overlapped adds Electronic Paper
Driving structure surrounding is sealed by fluid sealant 9, and the fluid sealant 9 uses epoxide-resin glue, and its water absorption rate is less than 0.5%, thoroughly
Steam is less than 4g/ (m224h), the test condition of water vapor permeability is 60 DEG C/90%RH, thickness of sample 1mm, most laggard height
Storehouse is pressed to carry out deaeration drying and processing.
The Electronic Paper being superimposed using this mode can not only increase display effect, can be simplified and surveyed with optimal inspection interface
The hardware configuration of test system, played an important role in terms of cost is reduced.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
1. a kind of double-layer overlapped adds Electronic Paper driving structure, it is characterised in that including：
Upper strata Electronic Paper, it is cholesteric liquid crystal electronic paper screen, is mainly driven by surface glass substrate (1), bottom glass substrate (2), first
Liquid crystal and glue frame composition inside dynamic control chip (3), the first driving layer FPC (4) and liquid crystal display；The first drive control core
Piece (3) is located on the bottom glass substrate (2)；
Underlying electronic paper, it is electrophoretype Electronic Paper, mainly by electrophoretype electronics paper membrane (5), back of the body glass substrate (6), the second driving
Control chip (7) and the second driving layer FPC (8) compositions；The second drive control chip (7) is located at the back of the body glass substrate
(6) on；
The test interface of the upper strata Electronic Paper/underlying electronic paper is driven by the respective first driving layer FPC (4)/second
Dynamic layer FPC (8) directly or indirectly adds Electronic Paper testing system board (10) to link together with double-layer overlapped, double-layer overlapped power-up
Paper driving structure surrounding is sealed by fluid sealant (9).
2. double-layer overlapped according to claim 1 adds Electronic Paper driving structure, it is characterised in that the upper strata Electronic Paper may be used also
Using the electric control structure unit with reflection function or absorption primary lights, transparent Electronic Paper display pattern is electrowetting after power-up
Pattern formula, horizontal electrophoretic techniques pattern or electrochromism pattern；The underlying electronic paper, which can also use to have, can realize that black and white is red
And the Electronic Paper of gray scale switching type.
3. double-layer overlapped according to claim 1 adds Electronic Paper driving structure, it is characterised in that the first drive control core
Piece (3) or the mounting means of the second drive control chip (7) are COG or COF.
4. double-layer overlapped according to claim 1 adds Electronic Paper driving structure, it is characterised in that the upper strata Electronic Paper and institute
The underlying electronic quires added-time is stated, the first drive control chip (3) and the second drive control chip (7) are located at homonymy or different
Side.
5. double-layer overlapped according to claim 1 adds Electronic Paper driving structure, it is characterised in that the upper strata Electronic Paper and institute
State underlying electronic quires added-time, surface glass substrate (1) positive/negative placement of the upper strata Electronic Paper, when the surface glass substrate (1)
When under, the surface glass substrate (1) is no more than 0.7mm with electrophoretype electronics paper membrane (5) gross thickness.
6. double-layer overlapped according to claim 1 adds Electronic Paper driving structure, it is characterised in that the of the upper strata Electronic Paper
One driving layer FPC (4) is directly or indirectly connected with the second driving layer FPC (8) of the underlying electronic paper；Or lower floor's electricity
Second driving layer FPC (8) of sub- paper is directly or indirectly connected with the first driving layer FPC (4) of the upper strata Electronic Paper, the company
It is hot pressing or welding or grafting to connect mode.
7. double-layer overlapped according to claim 1 adds Electronic Paper driving structure, it is characterised in that the first driving layer FPC
(4)/second drive layer FPC (8) be it is two-sided abnormally-structured, it is described two-sided abnormally-structured to refer to that the driving layer FPC is shaped as
" one " font, " L " type or U-typed.
8. double-layer overlapped according to claim 1 adds Electronic Paper driving structure, it is characterised in that the fluid sealant (9) uses
Epoxide-resin glue, its water absorption rate are less than 0.5%, and water vapor permeability is less than 4g/ (m2·24h)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431163.5A CN107886906A (en) | 2017-12-26 | 2017-12-26 | A kind of double-layer overlapped adds Electronic Paper driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431163.5A CN107886906A (en) | 2017-12-26 | 2017-12-26 | A kind of double-layer overlapped adds Electronic Paper driving structure |
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| Publication Number | Publication Date |
|---|---|
| CN107886906A true CN107886906A (en) | 2018-04-06 |
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| CN201711431163.5A Pending CN107886906A (en) | 2017-12-26 | 2017-12-26 | A kind of double-layer overlapped adds Electronic Paper driving structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459440A (en) * | 2018-04-19 | 2018-08-28 | 浙江富申科技有限公司 | Double-layer showing screen local stacking electric paper apparatus and its manufacturing method |
| CN113568237A (en) * | 2021-08-07 | 2021-10-29 | 广东志慧芯屏科技有限公司 | Electronic paper module and process |
| CN108459440B (en) * | 2018-04-19 | 2024-05-10 | 浙江富申科技有限公司 | Double-layer display screen local superposition electronic paper device and manufacturing method thereof |
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| CN108459440A (en) * | 2018-04-19 | 2018-08-28 | 浙江富申科技有限公司 | Double-layer showing screen local stacking electric paper apparatus and its manufacturing method |
| CN108459440B (en) * | 2018-04-19 | 2024-05-10 | 浙江富申科技有限公司 | Double-layer display screen local superposition electronic paper device and manufacturing method thereof |
| CN113568237A (en) * | 2021-08-07 | 2021-10-29 | 广东志慧芯屏科技有限公司 | Electronic paper module and process |
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