CN108594542A - The cholesteric liquid crystal electronic paper display device and preparation method thereof that subregion is shown - Google Patents
The cholesteric liquid crystal electronic paper display device and preparation method thereof that subregion is shown Download PDFInfo
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- CN108594542A CN108594542A CN201810649274.1A CN201810649274A CN108594542A CN 108594542 A CN108594542 A CN 108594542A CN 201810649274 A CN201810649274 A CN 201810649274A CN 108594542 A CN108594542 A CN 108594542A
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- glass substrate
- inner sealing
- liquid crystal
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- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title description 4
- 238000007789 sealing Methods 0.000 claims abstract description 114
- 239000011521 glass Substances 0.000 claims abstract description 87
- 239000000758 substrate Substances 0.000 claims abstract description 86
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 27
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol group Chemical group [C@@H]1(CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C)[C@H](C)CCCC(C)C HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 239000003086 colorant Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 10
- 238000007650 screen-printing Methods 0.000 claims description 8
- 229920002120 photoresistant polymer Polymers 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 238000011161 development Methods 0.000 claims description 5
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000031700 light absorption Effects 0.000 claims description 3
- 238000007761 roller coating Methods 0.000 claims description 3
- 230000003098 cholesteric effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000001962 electrophoresis Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- ZHBBDTRJIVXKEX-UHFFFAOYSA-N 1-chloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1 ZHBBDTRJIVXKEX-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—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 liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13718—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 liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a change of the texture state of a cholesteric liquid crystal
Abstract
A kind of cholesteric liquid crystal electronic paper display device that subregion is shown, including the first glass substrate and the second glass substrate being oppositely arranged, the first electrode layer being set on the first glass substrate, cover the first orientation film of first electrode layer, the second electrode lay being set on the second glass substrate, cover the second orientation film of the second electrode lay, the external sealing frame and inner sealing frame being connect with first orientation film and second orientation film, external sealing frame and inner sealing frame are enclosed construction and external sealing frame surrounds inner sealing frame from outside, external sealing frame, several enclosure spaces are formed between inner sealing frame and the first glass substrate and the second glass substrate, filled with the cholesteryl liquid crystal for showing different colours in different enclosure spaces.It so realizes that another display area is closed by a display area to surround, and technology difficulty is relatively low, cost is relatively low.The present invention also provides a kind of production methods for the cholesteric liquid crystal electronic paper display device that subregion is shown.
Description
Technical field
The present invention relates to electronic paper technology field, the especially a kind of cholesteric liquid crystal electronic paper that subregion is shown display dress
Set and preparation method thereof.
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.
With the development of display technology, cholesteric liquid crystal electronic paper is not due to frivolous, needing backlight module, power consumption
It is low, the advantages that contrast is high and wide viewing angle and be widely used in the display fields such as shelf label, usual cholesteryl liquid crystal electronics
Paper screen uses the ink and cholesteryl liquid crystal in the lower surface silk-screen different colours of liquid crystal display, is realized by subtractive colour mixture more with shielding
Color shows that technology difficulty is higher, and cost is higher, and the vacuum irrigation crystal mode of generally use needs that there are irrigation crystal mouth, this sides
Formula cannot achieve a display area and another display area be closed encirclement, cannot meet the application scenarios such as electronic shelf label
Needs.
Invention content
In view of this, the present invention provides it is a kind of can realize a display area by another display area be closed surround and
The cholesteric liquid crystal electronic paper display device and preparation method thereof that technology difficulty is relatively low, lower-cost subregion is shown, with solution
The certainly above problem.
A kind of cholesteric liquid crystal electronic paper display device that subregion is shown, including the first glass substrate for being oppositely arranged and
Second glass substrate, the first electrode layer being set on the side of relatively described second glass substrate of first glass substrate,
The first orientation film for covering the first electrode layer is set to the one of relatively described first glass substrate of second glass substrate
The second electrode lay on the side of side covers the second orientation film of the second electrode lay, is located at the first glass substrate and the second glass
The external sealing frame and inner sealing frame being connect between glass substrate, with first orientation film and second orientation film, external sealing frame and
Inner sealing frame is enclosed construction and external sealing frame surrounds inner sealing frame from outside, and the external sealing frame, inside are close
Several enclosure spaces are formed between envelope frame and the first glass substrate and the second glass substrate, filling is useful in different enclosure spaces
In the cholesteryl liquid crystal of display different colours.
Further, there is no common portion between the external sealing frame and inner sealing frame.
Further, the quantity of the inner sealing frame is two, and respectively the first inner sealing frame and the second inside are close
Frame is sealed, the first inner sealing frame surrounds the second inner sealing frame, and the first inner sealing frame and the second inner sealing frame from outside
Between there is no common portion.
Further, be additionally provided on second glass substrate the first drive control chip being connect with the second electrode lay and
First driving layer flexible PCB, the first drive control chip are connect with the first driving layer flexible PCB.
Further, the first electrode layer and the second electrode lay are indium tin oxide transparency electrode layer.
Further, the external sealing frame is epoxy resin sealing frame, and inner sealing frame is transparent close with stickiness
Seal frame.
Further, the width of the external sealing frame is 0.2-0.4mm, and the width of the inner sealing frame is 0.01-
0.02mm。
A kind of production method for the cholesteric liquid crystal electronic paper display device that subregion is shown, includes the following steps：
Step S1：Make glass substrate and electrode layer；
Step S2：Alignment films are coated on electrode layer；
Step S3：On the side that the second glass substrate has the second electrode lay and second orientation film or the first glass
Substrate has on the side of first electrode layer and first orientation film, and external sealing frame is arranged by the way of silk-screen printing, uses
Roller coating or spin-on viscous photoresist, exposure, development mode several inner sealing frames are set, in external sealing frame and inner sealing
The enclosure space of corresponding closure is formed between frame and between adjacent inner sealing frame；
Step S4：The cholesteric liquid of making technology instillation different materials in the enclosure space of closure is instilled using liquid crystal
It is brilliant；
Step S5：Compound first glass substrate and the second glass substrate；
Step S6：The first drive control chip and the first driving layer flexible PCB are crimped to second glass substrate
On.
Further, further include step S7：Using the method for silk-screen printing one is coated in the lower surface of the second glass substrate
The light-absorption layer of layer black.
Compared with prior art, the cholesteric liquid crystal electronic paper display device that subregion of the invention is shown, including it is opposite
The first glass substrate and the second glass substrate being arranged are set to relatively described second glass substrate of first glass substrate
First electrode layer on side covers the first orientation film of the first electrode layer, and it is opposite to be set to second glass substrate
The second electrode lay on the side side of first glass substrate covers the second orientation film of the second electrode lay, is located at
The external sealing frame being connect between first glass substrate and the second glass substrate, with first orientation film and second orientation film and inside
Sealing frame, external sealing frame and inner sealing frame are enclosed construction and external sealing frame surrounds inner sealing frame, institute from outside
It states and forms several enclosure spaces between external sealing frame, inner sealing frame and the first glass substrate and the second glass substrate, it is different
Enclosure space in filled with cholesteryl liquid crystal for showing different colours.So realize that a display area shows another
Show that region is closed to surround, and technology difficulty is relatively low, cost is relatively low.The present invention also provides a kind of cholesteryl liquid crystals that subregion is shown
The production method of display device of electronic paper.
Description of the drawings
The embodiment of the present invention is described below in conjunction with attached drawing, wherein：
Fig. 1 is the vertical view signal for the cholesteric liquid crystal electronic paper display device that subregion provided in an embodiment of the present invention is shown
Figure.
Fig. 2 is the section signal for the cholesteric liquid crystal electronic paper display device that subregion provided in an embodiment of the present invention is shown
Figure.
Fig. 3 is the enlarged diagram of the part A in Fig. 2.
Specific implementation mode
Specific embodiments of the present invention are further elaborated below based on attached drawing.It should be understood that herein
The explanation of the embodiment of the present invention is not intended to limit the scope of protection of the present invention.
It please refers to Fig.1 to Fig. 3, for a kind of cholesteric liquid crystal electronic paper that subregion is shown display dress provided by the invention
It sets, including the first glass substrate 1 and the second glass substrate 2 being oppositely arranged, it is relatively described to be set to first glass substrate 1
First electrode layer 17 on the side side of second glass substrate 2 covers the first orientation film 18 of the first electrode layer 17, if
The second electrode lay 22 being placed on the side side of first glass substrate 1 relatively of second glass substrate 2, described in covering
The second orientation film 21 of the second electrode lay 22, between the first glass substrate 1 and the second glass substrate 2, with first orientation film
18 and the external sealing frame 3 that connects of second orientation film 21 and inner sealing frame 4, external sealing frame 3 and inner sealing frame 4 be to seal
It closes structure and external sealing frame 3 surrounds inner sealing frame 4 from outside, it is not public between external sealing frame 3 and inner sealing frame 4
Part.In present embodiment, the quantity of inner sealing frame 4 is two, respectively the first inner sealing frame and the second inner sealing
Frame, the first inner sealing frame surround the second inner sealing frame from outside, and the first inner sealing frame and the second inner sealing frame it
Between without common portion.In present embodiment, first electrode layer 17 is SEG electrodes, and the second electrode lay 22 is COM electrodes.
The external sealing frame 3 and inner sealing frame 4 are at a predetermined interval by the first glass substrate 1 and the second glass substrate 2
It is bonded together, and 3 enclosure spaces A, B, C is constituted with first glass substrate, 1 and second glass substrate 2, wherein closing
Space A is fully located in the second inner sealing frame, enclosure space B be located at the first inner sealing frame and the second inner sealing frame it
Between, enclosure space C is located between the first inner sealing frame and external sealing frame 3.It is additionally provided on second glass substrate 2 and the second electricity
22 connection of pole layer the first drive control chip 5 and first driving layer flexible PCB (Flexible Printed Circuit,
FPC) 6, the first drive control chip 5 is connect with the first driving layer flexible PCB 6.
External sealing frame 3 is epoxy resin sealing frame, and inner sealing frame 4 is the transparent sealing frame with stickiness.
The present invention be different from other display elements a big structure feature be exactly realize have in a liquid crystal display it is multiple outer
The totally enclosed space that portion's sealing frame 3 and inner sealing frame 4 separate, and the liquid crystal in external enclosure space can will be internal
Liquid crystal in enclosure space, which is closed, to be surrounded, and different liquid crystal materials is filled in different enclosure spaces, to form different show
Show region, show different colors, so that display mode and color diversification, meet the market demand.Multiple display areas
Independently of one another, any region is under electric field action, display plane state or Focal conic state.
The present invention also provides a kind of production methods for the cholesteric liquid crystal electronic paper display device that subregion is shown, including with
Lower step：
Step S1：Glass substrate and electrode layer are made, specially：Substrate is cleaned and dried；It is applied in substrate surface
Photoresist；It is heating and curing to substrate and photoresist；It is exposed using mask registration exposure machine (MASK)；It is aobvious by developer solution
Shadow；Heat post bake；It is etched with etching solution；Remaining photoresist after stripper stripping development, forms tin indium oxide (ITO) transparent electricity
Pole layer.
Step S2：Alignment films are coated on indium tin oxide transparency electrode layer, using the method for rotary coating, i.e., by polyamides Asia
Amine (PI) vertical orientation material is coated on the band indium tin oxide transparency electrode layer surface cleaned up, first passed through after coating 75 DEG C,
30 minutes preliminary dryings, using 250 DEG C, 60 minutes curing process, the error range of operating temperature is ± 5 DEG C, heating time
Error range is ± 1 minute；On the substrate surface with ito transparent electrode layer, one layer of PI vertical alignment layer, thickness control are formed
System allows to be within ± 100 angstroms in the 400 Izods right side, thickness error；PI oriented materials use KPI300B, diluent when coating
Solid content be adjusted to 4%, error range 0.1%.
Step S3：On the side that the second glass substrate 2 has the second electrode lay 22 and second orientation film 21 or first
Glass substrate 1 has on the side of first electrode layer 17 and first orientation film 18, is arranged by the way of silk-screen printing external close
Frame 3 is sealed, two inner sealing frames, 4,2 inner sealing frames are arranged by the way of roller coating or spin coating photoresist, exposure, development is
Transparent color, so inner sealing frame, which is selected, has sticking photoetching material, what the present invention selected is the life of Taiwan Da Xing Materials Co., Ltd
The PSA030 of production, formed by way of rotary coating can photoetching sticky spacer film, by change spin coater revolution it is timely
Between to control film thickness, then by way of alignment exposure it is fixedly rectangular at no public affairs on second orientation film 21 as needed
Two inner sealing frames 4 of part altogether, and the sealing frame of the inside is closed and surrounds by the sealing frame of outside；External sealing frame 3
According to the sealing ring sprocket bit of design, sealing ring, asphalt mixtures modified by epoxy resin used are formed using the method for silk-screen printing with epoxide-resin glue
Fat glue is FER-11, wherein doping interval insulant is a diameter of 3.3 μm of glass bar, glass bar percentage composition is 1.2%.Ring
The mixture of oxygen resin glue and glass bar needs that it is more than hour to stir 1 using blender, and interval insulant is made to be distributed evenly in
In epoxide-resin glue.The mesh number of the silk screen of web material is 420 mesh, and material is stainless steel, and photoresists are covered in web material
The thickness of film, dry-film resist is 18 μm.The external sealing frame 3 and two inner sealing frames 4 are to be closed, and edge is equal
It is not provided with opening portion, external sealing frame 3 and two inner sealing frames 4 are at a predetermined interval by the first glass substrate 1 and the second glass
Substrate 2 is bonded together, and constitutes tri- enclosure spaces of A, B, C with the first glass substrate 1 and the second glass substrate 2；It is described outer
The width of the width 0.3mm of portion's sealing frame 3, the inner sealing frame 4 are 0.015mm.
Step S4：The process that processing procedure (One Drop Filling, ODF) is instilled using liquid crystal is being closed as needed
3 enclosure spaces of A, B, C in instil cholesteryl liquid crystal for showing different colours.Specifically, it instils in enclosure space A
KGI-001C-450, enclosure space B instillation KGI-001 (20%)+KGI-001C-450 (80%), enclosure space C instillation KGI-
001 (80%)+KGI-001C-450 (20%).The cholesteryl liquid crystal is cholesteric liquid crystal material and the liquid crystal that spacer is constituted
Mixture droplets, the mixture being made of chiral liquid crystal and nematic liquid crystal, the chiral liquid crystal and the nematic phase liquid
Brilliant screw pitch is different, and the spacer ball of addition is 3 μm, and mixture needs that it is more than hour to stir 1 using blender, makes interval
Material is distributed evenly in cholesteryl liquid crystal.When instilling liquid crystal, the infusion volume of liquid crystal need to be fully considered to prevent adjacent area
Interior liquid crystal and frame adhesive does not cure situations such as being punctured to the pollution of liquid crystal and frame adhesive.
Step S5：1 and second glass substrate 2 of compound first glass substrate, by the first glass substrate 1 and the second glass substrate
2 alignments, and overlap the first glass substrate 1 and the second glass substrate 2 under vacuum condition；External sealing frame 3 and two inside
Sealing frame 4 is by way of high temperature hot pressing by the first glass substrate 1 and the second glass substrate 2 bonding at box-like.
Step S6：It crimps the first drive control chip 5 and first driving layer flexible PCB 6 and arrives second glass substrate
On 2.
Step S7：The light-absorption layer of one layer of black is coated in the lower surface of the second glass substrate 2 using the method for silk-screen printing.
Compared with prior art, the cholesteric liquid crystal electronic paper display device and its making side that subregion of the invention is shown
Method realizes the display of no less than two kinds of colors in the same cholesteric liquid crystal screen, compared with realizing multicolor displaying by silk-screen printing
Technology difficulty is reduced, it is cost-effective.And liquid crystal can be saved using ODF (One Drop Filling) technique, save filling
The brilliant time, and do not limited by large size panel.
The foregoing is merely a prefered embodiment of the invention, is not used to limitation protection scope of the present invention, any in the present invention
Modification, equivalent replacement or improvement in spirit etc., all cover in scope of the presently claimed invention.Kind as only converted glue-line
Class or quantity, the type of electrophoresis layer, the thickness of substrate, type drive the type of backboard, the bonding condition etc. of each layer.
Claims (9)
1. a kind of cholesteric liquid crystal electronic paper display device that subregion is shown, it is characterised in that：Including be oppositely arranged first
Glass substrate and the second glass substrate, be set on the side of relatively described second glass substrate of first glass substrate
One electrode layer covers the first orientation film of the first electrode layer, is set to relatively described first glass of second glass substrate
The second electrode lay on the side side of glass substrate covers the second orientation film of the second electrode lay, is located at the first glass base
The external sealing frame and inner sealing frame being connect between plate and the second glass substrate, with first orientation film and second orientation film, outside
Portion's sealing frame and inner sealing frame are enclosed construction and external sealing frame surrounds inner sealing frame, the external sealing from outside
Several enclosure spaces, different enclosure spaces are formed between frame, inner sealing frame and the first glass substrate and the second glass substrate
The interior cholesteryl liquid crystal filled with for showing different colours.
2. the cholesteric liquid crystal electronic paper display device that subregion as described in claim 1 is shown, it is characterised in that：It is described outer
There is no common portion between portion's sealing frame and inner sealing frame.
3. the cholesteric liquid crystal electronic paper display device that subregion as claimed in claim 1 or 2 is shown, it is characterised in that：Institute
The quantity for stating inner sealing frame is two, respectively the first inner sealing frame and the second inner sealing frame, the first inner sealing frame
The second inner sealing frame is surrounded from outside, and does not have common portion between the first inner sealing frame and the second inner sealing frame.
4. the cholesteric liquid crystal electronic paper display device that subregion as described in claim 1 is shown, it is characterised in that：Described
The first drive control chip being connect with the second electrode lay and the first driving layer flexible PCB are additionally provided on two glass substrates, the
One drive control chip is connect with the first driving layer flexible PCB.
5. the cholesteric liquid crystal electronic paper display device that subregion as described in claim 1 is shown, it is characterised in that：Described
One electrode layer and the second electrode lay are indium tin oxide transparency electrode layer.
6. the cholesteric liquid crystal electronic paper display device that subregion as described in claim 1 is shown, it is characterised in that：It is described outer
Portion's sealing frame is epoxy resin sealing frame, and inner sealing frame is the transparent sealing frame with stickiness.
7. the cholesteric liquid crystal electronic paper display device that subregion as described in claim 1 is shown, it is characterised in that：It is described outer
The width of portion's sealing frame is 0.2-0.4mm, and the width of the inner sealing frame is 0.01-0.02mm.
8. a kind of production method for the cholesteric liquid crystal electronic paper display device that subregion is shown, it is characterised in that：Including following
Step：
Step S1：Make glass substrate and electrode layer；
Step S2：Alignment films are coated on electrode layer；
Step S3：On the side that the second glass substrate has the second electrode lay and second orientation film or the first glass substrate
On side with first electrode layer and first orientation film, external sealing frame is set by the way of silk-screen printing, using roller coating
Or spin-on viscous photoresist, exposure, development mode several inner sealing frames are set, external sealing frame and inner sealing frame it
Between and adjacent inner sealing frame between form the enclosure space of corresponding closure；
Step S4：The cholesteric that making technology instils in the enclosure space of closure for showing different colours is instilled using liquid crystal
Liquid crystal；
Step S5：Compound first glass substrate and the second glass substrate；
Step S6：It crimps on the first drive control chip and the first driving layer flexible PCB to second glass substrate.
9. production method as claimed in claim 8, it is characterised in that：Further include step S7：Existed using the method for silk-screen printing
The lower surface of second glass substrate coats the light-absorption layer of one layer of black.
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| CN201810649274.1A CN108594542A (en) | 2018-06-22 | 2018-06-22 | The cholesteric liquid crystal electronic paper display device and preparation method thereof that subregion is shown |
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