CN206638923U - A kind of anti-pressing cholesteric liquid crystal electronic paper display device - Google Patents
A kind of anti-pressing cholesteric liquid crystal electronic paper display device Download PDFInfo
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- CN206638923U CN206638923U CN201720376508.0U CN201720376508U CN206638923U CN 206638923 U CN206638923 U CN 206638923U CN 201720376508 U CN201720376508 U CN 201720376508U CN 206638923 U CN206638923 U CN 206638923U
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Abstract
The utility model provides a kind of anti-pressing cholesteric liquid crystal electronic paper display device, including：The first substrate and second substrate being oppositely arranged, first substrate is formed at respect to the first electrode layer on the side side of second substrate, set on the first substrate and cover the first orientation film of first electrode layer, second substrate is formed at respect to the second electrode lay on the side side of first substrate, it is arranged on second substrate and covers the second orientation film of the second electrode lay, sealing frame between first substrate and second substrate, first substrate and second substrate are bonded together by sealing frame at a predetermined interval, and form a closing space with first substrate and second substrate, cholesteryl liquid crystal is perfused with closing space.The utility model is provided with the spaced walls that section is in triangle fork-shaped by forming hexagonal pixels, and in the point of intersection of adjacent hexagons pixel so that cholesteric liquid crystal electronic paper realizes anti-pressing on the premise of high contrast is realized.
Description
Technical field
It the utility model is related to a kind of hexagonal lattice liquid crystal electron paper, more particularly to a kind of anti-pressing courage of high-contrast
Steroid type liquid crystal electron paper display device.
Background technology
With the rapid development of Display Technique, the display field such as traditional TV, computer is ripe day by day.Electronic Paper and other
The display of type, which is compared, has the advantages of following irreplaceable, therefore is constantly subjected to extensive concern.
The advantages of liquid crystal electron paper：
1st, it is frivolous, it is not necessary to which that backlight module, thickness are usually 0.5mm.
2nd, power consumption is low, and Electronic Paper possesses bistable characteristic, there is memory picture function, and picture does not change then not power consumption, page turning
When ability consumption electric power.
3rd, contrast is high, and he shows that ambient light is stronger, and contrast is higher by Ambient light.
4th, wide viewing angle, visual angle can reach 180 degree.
But liquid crystal type Electronic Paper the shortcomings that having its own again, because ChLCD reflection environments are just by liquid crystal molecule
The Bragg reflection of geometry arrangement, its reflective-mode depend directly on the degree of order and the direction of molecules align.Its arrangement is by weak
What grappling was realized, when external force (such as mechanical force, high temperature action) acts on Electronic Paper surface, if the surface of liquid crystal layer is by shadow
Ring, molecule can not recover.When by mechanical force, molecules align tends to plane state；When by high temperature action, point
Focal conic state is tended in son arrangement.High temperature action can avoid in common use environment, but the mechanical force such as accidental pressure
Impact is difficult to avoid.In order to solve this problem, presently disclosed art methods are that pixel uses matrix, and each pixel
It is the method for spider structure or circular configuration as spaced walls that point, which uses cross section, and both the above technical method can be real
The function of the anti-pressing of existing cholesteric liquid crystal electronic paper, but reduce the contrast and reflectivity of display.
Utility model content
How high-contrast, the technical problem of anti-pressing are manufactured according to set forth above, and a kind of anti-pressing cholesteric is provided
Type liquid crystal electron paper display device.
The technological means that the utility model uses is as follows：
A kind of anti-pressing cholesteric liquid crystal electronic paper display device, it is characterised in that including：The first substrate being oppositely arranged
And second substrate, the first electrode layer being formed on the side side of the relatively described second substrate of the first substrate, it is arranged on
On the first substrate and the first orientation film of the first electrode layer is covered, is formed at the second substrate relatively described first
The second electrode lay on the side side of substrate, is arranged on the second substrate and the second of the covering the second electrode lay takes
To film, the sealing frame between the first substrate and the second substrate, the sealing frame is at a predetermined interval by described
One substrate and the second substrate are bonded together, and form a closing space with the first substrate and the second substrate,
Cholesteryl liquid crystal is perfused with the closing space；
Multiple spaced first electrodes are provided with the first electrode layer, multiple are provided with the second electrode lay
Every the second electrode of arrangement, the cross section of the first electrode and the second electrode forms hexagonal pixels, adjacent described
The point of intersection of hexagonal pixels is provided with the spaced walls that section is in triangle fork-shaped, six institutes corresponding to each hexagonal pixels
Stating has the opening portion of cholesteryl liquid crystal circulation between at least three groups of adjacent spaced walls in spaced walls, the spaced walls are with pre-
The first orientation film and the second orientation film are bonded together by fixed interval；
The sealing frame is provided with the sealing of perfusion cholesteryl liquid crystal；
The side side of the remote first substrate of the second substrate is provided with light-absorption layer.
The path that cholesteryl liquid crystal is designed by the opening portion is injected into whole pixels in the closing space.
The spaced walls can both play a part of isolation, can serve as interval insulant again, make the thick (thickness of closing space of box
Degree) evenly, equably keep the height between first substrate and second substrate.
The spaced walls are made up of the sticking rigid organic material of photoetching.
The mixture that the cholesteryl liquid crystal is made up of chiral liquid crystal and nematic liquid crystal, the chiral liquid crystal and described
The pitch of nematic liquid crystal is different.
The thickness of the closing space is 2 μm -4 μm；The thickness of the first orientation film and the first orientation film is
100-1000 angstroms, the width of the opening portion is 30-50 μm.The first orientation film and the first orientation film are by high temperature
Processing, it is different according to material, there are 180 ± 10 DEG C, 250 ± 10 DEG C etc..
The sealing frame is made of the heat-curable epoxy resin glue of doping interval insulant, and the diameter of the interval insulant is
2.2-4.2μm。
Dot matrix of the prior art is matrix, and pixel is in quadrangle, and spaced walls are using shapes such as spiders, using this side
Formula can realize the function of anti-pressing, but largely reduce the reflectivity and contrast of liquid crystal electron paper.In order to improve
Liquid crystal electron paper realizes the performance of high contrast on the premise of anti-pressing function is realized, it is desirable to effect of the upper and lower base plate in external force
Under, mechanical deformation, the spaced walls in triangle fork-shaped of the utility model design will not occur, its main component is sticking hard
Property organic material is made, and such a spaced walls can both play a part of isolation, can serve as interval insulant together with sealing frame again,
Make box thick (thickness of closing space) evenly, equably keep the height between first substrate and second substrate, make liquid crystal electric
Sub- paper display device has the function of anti-pressing, and then can improve the uniformity of liquid crystal cell, the compression resistance and liquid of liquid crystal layer
The impact resistance of crystal display element.
It is, in general, that the distribution of interval wall material is more sparse better, the volume being spaced shared by wall material is the smaller the better, its body
Product refers to the product of the floor space and box thickness shared by it, and floor space refers to the area for being spaced wall material and substrate contact.And with four
Side image element is compared by the way of spider, and spaced walls of the present utility model, the volume of unit area is less than spider,
Therefore liquid crystal electron paper display device of the present utility model has more preferable contrast and its reflectivity.
Compared with prior art, the utility model is by forming hexagonal pixels, and in the intersection point of adjacent hexagons pixel
Place is provided with the spaced walls that section is in triangle fork-shaped so that cholesteric liquid crystal electronic paper realizes anti-on the premise of high contrast is realized
Pressing.
The utility model can be widely popularized in fields such as Display Techniques for the foregoing reasons.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is done simply to introduce in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structure original that specific embodiment of the present utility model moderate resistance presses cholesteric liquid crystal electronic paper display device
Manage schematic diagram.
Fig. 2 is the schematic diagram of first electrode layer in specific embodiment of the present utility model.
Fig. 3 is the schematic diagram of the second electrode lay in specific embodiment of the present utility model.
Fig. 4 is hexagonal pixels and spaced walls position relationship schematic diagram in specific embodiment of the present utility model.
Fig. 5 is that six spaced walls preparation structure in specific embodiment of the present utility model corresponding to hexagonal pixels is shown
It is intended to.
Fig. 6 is after first electrode/second electrode/sealing frame in specific embodiment of the present utility model/spaced walls are bonded
Schematic diagram.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
As shown in figures 1 to 6, a kind of anti-pressing cholesteric liquid crystal electronic paper display device, including：The first base being oppositely arranged
Plate 1 and second substrate 2, the first electrode layer 3 being formed on the side side of the relatively described second substrate 2 of the first substrate 1,
It is arranged on the first substrate 1 and covers the first orientation film 4 of the first electrode layer 3, is formed at the phase of second substrate 2
To the second electrode lay 5 on the side side of the first substrate 1, it is arranged on the second substrate 2 and covers described second
The second orientation film 6 of electrode layer 5, the sealing frame 7 between the first substrate 1 and the second substrate 2, the sealing frame
7 are at a predetermined interval bonded together the first substrate 1 and the second substrate 2, and with the first substrate 1 and described
Two substrates 2 form a closing space 8, and cholesteryl liquid crystal is perfused with the closing space 8；
Multiple spaced first electrodes (data electrode) 9, the second electrode lay are provided with the first electrode layer 3
Multiple spaced second electrodes (scan electrode) 10 are provided with 5, the first electrode 9 is intersected with the second electrode 10
Part forms hexagonal pixels 11, and the point of intersection of the adjacent hexagonal pixels 11 is provided with the spaced walls that section is in triangle fork-shaped
12, each in six spaced walls 12 corresponding to the hexagonal pixels 11 between at least three groups adjacent spaced walls 12
Opening portion 13 with cholesteryl liquid crystal circulation, the spaced walls 12 are at a predetermined interval by the first orientation film 4 and described the
Two alignment films 6 are bonded together；
The sealing frame 7 is provided with the sealing 14 of perfusion cholesteryl liquid crystal；
The side side of the remote first substrate 1 of the second substrate 2 is provided with light-absorption layer 15.
The spaced walls 12 are made up of the sticking rigid organic material of photoetching, the sticking rigid organic material
PSA030, PSA031 and PSA032 for the production of gulf Da Xing Materials Co., Ltd etc..
The mixture that the cholesteryl liquid crystal is made up of chiral liquid crystal and nematic liquid crystal, its model：KG2-001
(23%) pitch of+KG2-001C-450 (77%) mixture, the chiral liquid crystal and the nematic liquid crystal is different.
The anti-pressing cholesteric liquid crystal electronic paper display device shows dimensions as 2.6 inches, the He of first substrate 1
The thickness of the second substrate 2 is 0.7mm, and the spacing of the hexagonal pixels 11 is 0.2mm, the width of the opening portion 13
For 50 μm, the thickness of the closing space 8 is 3 μm, the i.e. thickness of cholesteric liquid crystal layers；The first orientation film 4 and described
The thickness of one alignment films 6 is 400 angstroms, and its thickness error allows within ± 100 angstroms.
The sealing frame 7 is made of the heat-curable epoxy resin glue of doping interval insulant, and epoxide-resin glue used is
FER-11, wherein interval insulant are a diameter of 3.3 μm of glass bars, and glass bar percentage composition is 1.2%, is stirred using agitator
It is more than hour to mix 1, interval insulant is distributed evenly in epoxide-resin glue.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (5)
- A kind of 1. anti-pressing cholesteric liquid crystal electronic paper display device, it is characterised in that including：The first substrate that is oppositely arranged and Second substrate, the first electrode layer being formed on the side side of the relatively described second substrate of the first substrate, is arranged on institute State on first substrate and cover the first orientation film of the first electrode layer, be formed at relatively described first base of the second substrate The second electrode lay on the side side of plate, it is arranged on the second substrate and covers the second orientation of the second electrode lay Film, the sealing frame between the first substrate and the second substrate, the sealing frame is at a predetermined interval by described first Substrate and the second substrate are bonded together, and form a closing space, institute with the first substrate and the second substrate State and cholesteryl liquid crystal is perfused with closing space；Multiple spaced first electrodes are provided with the first electrode layer, multiple intervals are provided with the second electrode lay and are arranged The second electrode of row, the cross section of the first electrode and the second electrode form hexagonal pixels, adjacent six side The point of intersection of image element is provided with the spaced walls that section is in triangle fork-shaped, described in six corresponding to each hexagonal pixels between There is the opening portion of cholesteryl liquid crystal circulation, between the spaced walls are to make a reservation in next door between at least three groups of adjacent spaced walls It is bonded together every by the first orientation film and the second orientation film；The sealing frame is provided with the sealing of perfusion cholesteryl liquid crystal；The side side of the remote first substrate of the second substrate is provided with light-absorption layer.
- 2. anti-pressing cholesteric liquid crystal electronic paper display device according to claim 1, it is characterised in that the spaced walls It is made up of the sticking rigid organic material of photoetching.
- 3. anti-pressing cholesteric liquid crystal electronic paper display device according to claim 1, it is characterised in that the cholesteric The pitch of the mixture that liquid crystal is made up of chiral liquid crystal and nematic liquid crystal, the chiral liquid crystal and the nematic liquid crystal is not Together.
- 4. anti-pressing cholesteric liquid crystal electronic paper display device according to claim 1, it is characterised in that the closing is empty Between thickness be 2 μm -4 μm；The thickness of the first orientation film and the first orientation film is 100-1000 angstroms, the opening portion Width be 30-50 μm.
- 5. anti-pressing cholesteric liquid crystal electronic paper display device according to claim 1, it is characterised in that the sealing frame It is made of the heat-curable epoxy resin glue of doping interval insulant, the diameter of the interval insulant is 2.2-4.2 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376508.0U CN206638923U (en) | 2017-04-11 | 2017-04-11 | A kind of anti-pressing cholesteric liquid crystal electronic paper display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376508.0U CN206638923U (en) | 2017-04-11 | 2017-04-11 | A kind of anti-pressing cholesteric liquid crystal electronic paper display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814509A (en) * | 2017-04-11 | 2017-06-09 | 大连龙宁科技有限公司 | A kind of anti-pressing cholesteric liquid crystal electronic paper display device and its manufacture method |
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2017
- 2017-04-11 CN CN201720376508.0U patent/CN206638923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814509A (en) * | 2017-04-11 | 2017-06-09 | 大连龙宁科技有限公司 | A kind of anti-pressing cholesteric liquid crystal electronic paper display device and its manufacture method |
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