CN208013632U - Double-layer showing screen local stacking electric paper apparatus - Google Patents
Double-layer showing screen local stacking electric paper apparatus Download PDFInfo
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- CN208013632U CN208013632U CN201820564533.6U CN201820564533U CN208013632U CN 208013632 U CN208013632 U CN 208013632U CN 201820564533 U CN201820564533 U CN 201820564533U CN 208013632 U CN208013632 U CN 208013632U
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Abstract
A kind of double-layer showing screen local stacking electric paper apparatus, including upper layer cholesteryl liquid crystal screen and lower layer's electrophoretic screens, the first sealing frame and the second sealing frame are equipped between the first substrate and second substrate of upper layer cholesteryl liquid crystal screen, it is equipped with cholesteric liquid crystal layers in first sealing frame, is transparent in the second sealing frame.So independent upper layer cholesteryl liquid crystal screen and lower layer's electrophoretic screens are organically combined, not only the independence of display can be kept, but also can be superimposed and to be formed partial color and show, size limitation of the chip to color line screen is reduced, existing chip perfect can be supported, reduces power consumption and cost is relatively low.
Description
Technical field
The utility model is related to electronic paper technology field, especially a kind of double-layer showing screen local stacking electric paper apparatus.
Background technology
Enter the connected the Internet of things era of object object in internet, Electronic Paper becomes progress information exchange and the important of communication shows
Show medium.Electronic Paper is since the image with class paper that passively shines stores display characteristic, with super low-power consumption replacement single image
It is widely used in the classes paper display field such as e-book, electronic shelf label.In electronics paper market, electrophoretype Electronic Paper occupies
Dominant position.The principle of electrophoretype Electronic Paper is：Under electric field action, electrophoresis particle is made to be moved in electrophoresis liquid, these particles
It is not charged by being surface-treated electrification or individual particle, so that various particles is formed desired arrangement to show image and text
Word.
In recent years, the vision of electronical display effect is pursued with people it is higher and higher, the research of color electric paper with answer
With of interest by people more and more, wherein it is cholesteric liquid crystal electronic paper screen and electrophoretic electronic to have a kind of colored displaying scheme
The double-deck superposition of paper screen forms colored display.But when screen size is larger, existing chip is difficult to support large screen
Double-layer overlapped variegates display, and display effect is poor, simultaneously because the cost of cholesteryl liquid crystal is higher, this large-size screen monitors bilayer superposition is color
Color shows that the cost of product is higher, and price is higher, it is difficult to universal.
Utility model content
In view of this, the utility model provides a kind of double-layer showing screen local stacking, realizes that partial color shows, is existing
Chip perfect can support and lower-cost double-layer showing screen local stacking electric paper apparatus, to solve the above problems.
A kind of double-layer showing screen local stacking electric paper apparatus, including upper layer cholesteryl liquid crystal screen and lower layer's electrophoretic screens, institute
State upper layer cholesteryl liquid crystal screen with first substrate, second substrate and be arranged at intervals between first substrate and second substrate the
One sealing frame and the second sealing frame, the first sealing frame are located at the inside of the second sealing frame, and the first sealing frame and the second sealing frame
Two sides there is common portion, the side of the first sealing frame is equipped with the first opening, the first sealing frame and first substrate and the
Two substrates form the first closed interval, the region except the first sealing frame and in the second sealing frame and first substrate and second
Substrate forms the second closed interval, and the first closed interval is perfused cholesteryl liquid crystal by the first opening and forms cholesteric liquid crystal layers,
It is transparent in second closed interval, the edge between the upper layer cholesteryl liquid crystal screen and lower layer's electrophoretic screens is equipped with fluid sealant.
Further, the upper layer cholesteryl liquid crystal screen includes first substrate, first electrode layer, first successively from top to bottom
Alignment films, second orientation film, the second electrode lay and second substrate, first electrode layer are formed in first substrate towards second substrate
On side, first orientation film covers the first electrode layer；The second electrode lay is formed in side of the second substrate towards first substrate
On face, second orientation film covers the second electrode lay.
Further, it is additionally provided with the first drive control chip on the second substrate and is connect with the first drive control chip
First driving layer flexible board.
Further, the thickness of the first substrate and the second substrate is 0.15-1.1mm.
Further, lower layer's electrophoretic screens include third substrate, electrophoresis layer successively from top to bottom and drive backboard, described
The bottom surface of third substrate has public electrode, and the area of the electrophoresis layer is more than the area of cholesteric liquid crystal layers.
Further, it is additionally provided with the first drive control chip on the second substrate and is connect with the first drive control chip
The first driving layer flexible board, be additionally provided on the driving backboard the second drive control chip and with the second drive control chip company
The the second driving layer flexible board connect.
Further, further include that double-layer overlapped adds Electronic Paper testing system board, the double-layer overlapped to add Electronic Paper testing system board
It is all connected with the first driving layer flexible board and the second driving layer flexible board.
Further, second sealing frame is equipped with second with the misaligned part of the first sealing frame and is open, and described second
Transparent TN types liquid crystal is perfused by the second opening in closed interval.
Further, it is transparent substrate, transparent electrode or transparent sealant in second closed interval.
Further, the first substrate and second substrate are glass substrate.
Compared with prior art, the double-layer showing screen local stacking electric paper apparatus of the utility model includes upper layer cholesteric
Liquid crystal display and lower layer's electrophoretic screens, between the first substrate and second substrate of upper layer cholesteryl liquid crystal screen be equipped with the first sealing frame and
Second sealing frame, the first sealing frame is interior to be equipped with cholesteric liquid crystal layers, is transparent in the second sealing frame.So by independent upper layer courage
Steroid type liquid crystal display and lower layer's electrophoretic screens organically combine, and can not only keep the independence of display, but also can be superimposed to be formed
Partial color shows, reduces chip and limits the size of color line screen, and existing chip perfect can be supported, reduce power consumption and
Cost is relatively low.
Description of the drawings
The embodiments of the present invention are described below in conjunction with attached drawing, wherein：
Fig. 1 is the diagrammatic cross-section of the double-layer showing screen local stacking electric paper apparatus of the utility model embodiment.
Fig. 2 is the enlarged diagram of the part A in Fig. 1.
Fig. 3 is the schematic top plan view of the double-layer showing screen local stacking electric paper apparatus of the utility model embodiment.
Specific implementation mode
Specific embodiment of the utility model is further elaborated below based on attached drawing.It should be understood that
The explanation of the utility model embodiment is not used to herein to limit the scope of protection of the utility model.
Referring to FIG. 1, it is a kind of double-layer showing screen local stacking electric paper apparatus provided by the utility model, including it is upper
Layer cholesteryl liquid crystal screen 100 and lower layer's electrophoretic screens 200.
Fig. 2 is please also refer to, upper layer cholesteryl liquid crystal screen 100 includes first substrate 1, first electrode layer successively from top to bottom
17, first orientation film 18, second orientation film 21, the second electrode lay 22 and second substrate 2.
First electrode layer 17 is formed in first substrate 1 towards on the side of second substrate 2, and first orientation film 18 covers described
First electrode layer 17.
The second electrode lay 22 is formed in second substrate 2 towards on the side of first substrate 1, and second orientation film 21 covers described
The second electrode lay 22.
First substrate 1 and second substrate 2 are glass substrate.
Between first orientation film 18 and second orientation film 21, i.e., compartment of terrain is equipped between first substrate 1 and second substrate 2
First sealing frame 11 and the second sealing frame 12.First sealing frame 11 and the second sealing frame 12 use epoxide-resin glue, for being bonded
First substrate 1, second substrate 2, that is, directly it is bonded two layers intermediate of alignment films.
The first drive control chip 3 and first driving layer flexible board (Flexible Printed are additionally provided on second substrate 2
Circuit, FPC) 4.
Lower layer's electrophoretic screens 200 include third substrate 5, electrophoresis layer 6 and driving backboard 7 successively from top to bottom.
Has public electrode in the bottom surface of third substrate 5.
The second drive control chip 8 is additionally provided on driving backboard 7, the second drive control chip 8 and second drives layer flexible
Plate 9 connects, and double-layer overlapped adds Electronic Paper testing system board 11 to drive layer flexible board 4 and the second driving layer flexible board 9 to connect with first
It connects.
In present embodiment, the size of upper layer cholesteryl liquid crystal screen 100 is less than the size of lower layer's electrophoretic screens 200, such as upper layer
The length and width of cholesteryl liquid crystal screen 100 are respectively smaller than the length and width 1mm of lower layer's electrophoretic screens 200.Upper layer cholesteric liquid
Edge between crystalline substance screen 100 and lower layer's electrophoretic screens 200 is equipped with fluid sealant 10.When installation, under high magnification microscope by upper layer courage
Steroid type liquid crystal display 100 fits in lower layer's electrophoretic screens 200, and is sealed by the fluid sealant of edge 10.Fluid sealant 10 is epoxy
Resin glue, water absorption rate are less than 0.5%, and water vapor permeability is less than 4g/ (m224h), and the test condition of water vapor permeability is 60 DEG C/
90%RH, thickness of sample 1mm.After upper layer cholesteryl liquid crystal screen 100 is bonded with lower layer electrophoretic screens 200, carried out into high-pressure chamber
Deaeration drying and processing.
Referring to FIG. 3, the first sealing frame 11 is located at the inside of the second sealing frame 12, and the first sealing frame 11 and second seals
Two sides of frame 12 have a common portion, and the side of the first sealing frame 11 is equipped with the first opening 13, the second sealing frame 12 and the
The misaligned part of one sealing frame 11 is equipped with the second opening 14.First sealing frame 11 and first substrate 1 and second substrate 2 form the
One closed interval 15, the region except the first sealing frame 11 and in the second sealing frame 12 and first substrate 1 and second substrate 2
Form the second closed interval 16.First closed interval 15 forms cholesteryl liquid crystal by 13 perfusion cholesteryl liquid crystal of the first opening
Layer；Be transparent in second closed interval 16, normal transparent TN type liquid crystal such as be perfused by the second opening 14, or be not perfused liquid crystal and
For transparent substrate, transparent electrode or transparent sealant.When the second closed interval 16 is transparent substrate, transparent electrode or transparent
When fluid sealant, the second opening 14 can not also be arranged in the side of the second sealing frame 12.Such first sealing frame 11 and second seals
Frame 12 forms bicyclic sealing frame.
In present embodiment, by the second closed interval 16 nano indium tin metal oxide (Indium tin oxide,
ITO it) etches away to form transparent substrate, or the nano indium tin metal oxide for selecting sheet resistance small is as transparent electrode.
First opening 13 and the second opening 14 are respectively positioned on the same side of second substrate 2, convenient for the operation of perfusion liquid crystal.
In this way, the area of the electrophoresis layer 6 of lower layer's electrophoretic screens 200 is much larger than the cholesteric liquid of upper layer cholesteryl liquid crystal screen 100
The area of crystal layer.Upper layer cholesteryl liquid crystal screen 100 is except cholesteric liquid crystal layers and the part of the overlapping of electrophoresis layer 6 is transparent.
Region except cholesteric liquid crystal layers, and the of the first sealing frame 11 of the subregion being overlapped with electrophoresis layer 6
A side 111 and second side 112 are transparent heat-curable epoxy resin glue, width 0.1mm, transparent heat cure ring
Doped with interval insulant in oxygen resin glue, first side 111 and 112 silk-screen of second side are on first substrate 1；And the first sealing
The other parts of frame 11 and the second sealing frame 12 are the heat-curable epoxy resin glue of the white of silk-screen on second substrate 2, wide
Degree is 0.35mm, doped with interval insulant in white heat-curable epoxy resin glue.Wherein, interval insulant is a diameter of 3.3 μm
Glass bar, glass bar in transparent heat-curable epoxy resin glue or white heat-curable epoxy resin glue in weight hundred
Divide than being 1.2%, it is more than hour to stir 1 by blender, interval insulant is made to be distributed evenly in transparent or white ring
In oxygen resin glue.
The upper layer cholesteryl liquid crystal screen 100 and the display size of lower layer's electrophoretic screens 200 are 4.2 cun, first base
The thickness of plate 1 and the second substrate 2 is 0.15-1.1mm, such as 0.55mm, and the width of first opening 13 is 3mm, the
The width of two openings 14 is 5mm, and the thickness of first closed interval, 15 and second closed interval 16 is 3.3 μm namely cholesteric
The thickness of type liquid crystal layer.
The mixture that the cholesteryl liquid crystal is made of chiral liquid crystal and nematic liquid crystal, model：MDA-00-
The mixture of 1444 (weight percent 23%) and MDA-00-1445 (weight percent 77%), the chiral liquid crystal and
The screw pitch of the nematic liquid crystal is different.
The upper layer cholesteryl liquid crystal screen 100 also can be used with reflection function or absorb the electric control structure list of primary lights
Member, transparent Electronic Paper display pattern is Electrowetting type pattern, lateral electrophoretic techniques pattern or electrochromism pattern after power-up；Institute
Lower layer's electrophoretic screens 200 are stated also to can be used with can realize that black and white is red and the Electronic Paper of gray scale switching type.
The double-layer showing screen local stacking electric paper apparatus of the utility model is made by following steps：
Step S1：Upper layer cholesteryl liquid crystal screen 100 is made, upper layer cholesteryl liquid crystal screen 100 includes the successively from top to bottom
One substrate 1, first electrode layer 17, first orientation film 18, second orientation film 21, the second electrode lay 22 and second substrate 2, first
Between alignment films 18 and second orientation film 21, i.e., between first substrate 1 and second substrate 2 compartment of terrain be equipped with the first sealing frame 11 and
Second sealing frame 12, the first sealing frame 11 are located at the inside of the second sealing frame 12, and the first sealing frame 11 and the second sealing frame 12
Two sides there is common portion, the side of the first sealing frame 11 to be equipped with the first opening 13, the first sealing frame 11 and the first base
Plate 1 and second substrate 2 form the first closed interval 15, the region except the first sealing frame 11 and in the second sealing frame 12 with
First substrate 1 and second substrate 2 form the second closed interval 16, and the first closed interval 15 passes through 13 perfusion cholesteric of the first opening
Formation of liquid crystals cholesteric liquid crystal layers are transparent in the second closed interval 16；
Step S2：Lower layer's electrophoretic screens 200 are made, include third substrate 5, electrophoresis layer 6 and driving backboard successively from top to bottom
7, the bottom surface of third substrate 5 has public electrode, and the area of electrophoresis layer 6 is much larger than the area of cholesteric liquid crystal layers；
Step S3：Upper layer cholesteryl liquid crystal screen 100 is fitted in lower layer's electrophoretic screens 200 under high magnification microscope；
Step S4：Edge dot encapsulation glue between upper layer cholesteryl liquid crystal screen 100 and lower layer's electrophoretic screens 200
10。
Step S5：The upper layer cholesteryl liquid crystal screen 100 and lower layer's electrophoretic screens 200 that are bonded to each other are put into togerther in high-pressure chamber
Carry out deaeration drying and processing；
Step S6：It is cooling.
Compared with prior art, the double-layer showing screen local stacking electric paper apparatus of the utility model includes upper layer cholesteric
Liquid crystal display 100 and lower layer's electrophoretic screens 200 are equipped between the first substrate 1 and second substrate 2 of upper layer cholesteryl liquid crystal screen 100
First sealing frame 11 and the second sealing frame 12 are equipped with cholesteric liquid crystal layers in first sealing frame 11, are in the second sealing frame 12
It is bright.So independent upper layer cholesteryl liquid crystal screen 100 and lower layer's electrophoretic screens 200 are organically combined, can both be kept
The independence of display, and can be superimposed to form partial color and show, it reduces chip and the size of color line screen is limited, existing core
Piece perfect can be supported, reduces power consumption and cost is relatively low.The utility model also provides a kind of double-layer showing screen local stacking electricity
The production method of sub- paper device.
The preferred embodiment that these are only the utility model is not used to limitation the scope of protection of the utility model, any
Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the right of the utility model.
Type or quantity as only converted glue-line, the type of electrophoresis layer, the thickness of substrate, type drive the type of backboard, each layer to glue
Knot condition etc..
Claims (9)
1. a kind of double-layer showing screen local stacking electric paper apparatus, it is characterised in that：The double-layer showing screen local stacking electronics
Paper device includes upper layer cholesteryl liquid crystal screen and lower layer's electrophoretic screens, and the upper layer cholesteryl liquid crystal screen has first substrate, second
Substrate and the first sealing frame and the second sealing frame being arranged at intervals between first substrate and second substrate, the first sealing frame are located at
The inside of second sealing frame, and two sides of the first sealing frame and the second sealing frame have common portion, the first sealing frame
Side is equipped with the first opening, and the first sealing frame forms the first closed interval with first substrate and second substrate, in the first sealing frame
Except and the region in the second sealing frame and first substrate and second substrate form the second closed interval, the first closed interval is logical
It crosses the first opening perfusion cholesteryl liquid crystal and forms cholesteric liquid crystal layers, be transparent, the upper layer cholesteric in the second closed interval
Edge between liquid crystal display and lower layer's electrophoretic screens is equipped with fluid sealant.
2. double-layer showing screen local stacking electric paper apparatus as described in claim 1, it is characterised in that：The upper layer cholesteric
Liquid crystal display from top to bottom successively include first substrate, first electrode layer, first orientation film, second orientation film, the second electrode lay and
Second substrate, first electrode layer are formed in first substrate towards on the side of second substrate, first orientation film covering described first
Electrode layer；The second electrode lay is formed in second substrate towards on the side of first substrate, second orientation film covering second electricity
Pole layer.
3. double-layer showing screen local stacking electric paper apparatus as claimed in claim 2, it is characterised in that：The first substrate and
The thickness of the second substrate is 0.15-1.1mm.
4. double-layer showing screen local stacking electric paper apparatus as described in claim 1, it is characterised in that：Lower layer's electrophoretic screens
Include third substrate, electrophoresis layer and driving backboard successively from top to bottom, the bottom surface of the third substrate has public electrode, described
The area of electrophoresis layer is more than the area of cholesteric liquid crystal layers.
5. double-layer showing screen local stacking electric paper apparatus as claimed in claim 4, it is characterised in that：On the second substrate
The the first driving layer flexible board for being additionally provided with the first drive control chip and being connect with the first drive control chip, the driving backboard
On be additionally provided with the second drive control chip and connect with the second drive control chip second driving layer flexible board.
6. double-layer showing screen local stacking electric paper apparatus as claimed in claim 5, it is characterised in that：It further include the double-deck superposition
Electronic Paper testing system board, the double-layer overlapped add Electronic Paper testing system board to drive layer flexible board and the second driving layer soft with first
Property plate is all connected with.
7. double-layer showing screen local stacking electric paper apparatus as described in claim 1, it is characterised in that：Second sealing frame
It is equipped with the second opening with the misaligned part of the first sealing frame, transparent TN types are perfused by the second opening in second closed interval
Liquid crystal.
8. double-layer showing screen local stacking electric paper apparatus as described in claim 1, it is characterised in that：Second enclosed area
Interior is transparent substrate, transparent electrode or transparent sealant.
9. double-layer showing screen local stacking electric paper apparatus as described in claim 1, it is characterised in that：The first substrate and
Second substrate is glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564533.6U CN208013632U (en) | 2018-04-19 | 2018-04-19 | Double-layer showing screen local stacking electric paper apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564533.6U CN208013632U (en) | 2018-04-19 | 2018-04-19 | Double-layer showing screen local stacking electric paper apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208013632U true CN208013632U (en) | 2018-10-26 |
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ID=63893182
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| CN201820564533.6U Active CN208013632U (en) | 2018-04-19 | 2018-04-19 | Double-layer showing screen local stacking electric paper apparatus |
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Cited By (1)
| 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 |
-
2018
- 2018-04-19 CN CN201820564533.6U patent/CN208013632U/en active Active
Cited By (2)
| 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 |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device for locally superimposing electronic paper of double-layered display screen and manufacturing method thereof Effective date of registration: 20200228 Granted publication date: 20181026 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Jiashan county subbranch Pledgor: Zhejiang Fu Shen Technology Co., Ltd. Registration number: Y2020330000068 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210425 Granted publication date: 20181026 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiashan county subbranch Pledgor: ZHEJIANG FUSHEN TECHNOLOGY Co.,Ltd. Registration number: Y2020330000068 |