CN205539823U - Humid tropical liquid crystal disply device - Google Patents
Humid tropical liquid crystal disply device Download PDFInfo
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- CN205539823U CN205539823U CN201620228503.9U CN201620228503U CN205539823U CN 205539823 U CN205539823 U CN 205539823U CN 201620228503 U CN201620228503 U CN 201620228503U CN 205539823 U CN205539823 U CN 205539823U
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Abstract
The utility model discloses a humid tropical liquid crystal disply device, include: a plastic film who contains ultraviolet absorber, set up in a glass film of plastic film below, set up in the liquid crystal cell of glass film below, set up in a glass film with outline between the liquid crystal cell, an outline lies in the border position of a glass film and liquid crystal cell, constitutes first enclosure space with a glass film and liquid crystal cell, arrange in first interior frame in the first enclosure space and process dyeing's a polyvinyl alcohol film, the frame is laid in first enclose in the outline, and have the first spacer block that a plurality of interval distribution formed frame structure, the utility model discloses can be applicable to humid tropical's environment to under the environment of work at humid tropical, can guarantee liquid crystal disply device's life and show the performance.
Description
Technical field
This utility model belongs to technical field of liquid crystal display, a kind of hot and humid liquid crystal indicator.
Background technology
In portable display apparatus, liquid crystal indicator, Organic Light Emitting Diode (OLED, Organic Light
Emitting Diode) display device and display device of electronic paper three major types gradually occupy main flow.Wherein, liquid crystal
Display device occupies the market share of maximum with outstanding cost advantage, good display performance；OLED shows
Device by outstanding display performance, be prone to flexible making, lightweight and that thickness is thin advantage gradually expands
The market share；Display device of electronic paper to be prone to low cost flexibility and make, passive luminous and not refresh picture show
Show that the peculiar advantage that power consumption is zero plays irreplaceable effect in the field substituting paper.Specific at some
Although the display devices such as field VFD and PDP are still using, but it is obvious to exit situation.Although display device
Of a great variety, performance is more and more higher, particularly the aspect such as picture quality, power consumption, portability and display life
All obtain rapid progress, but the storage of various display and display environment condition are the most restricted, particularly
90 DEG C × 95%RH, under conditions of not having chiller, active liquid crystal can only be met under the conditions of hot and humid
Display device can reach operating temperature and the storage temperature of nearly 90 DEG C × 95%RH of 85 DEG C × 95%RH；Nothing
The operating temperature of source liquid crystal indicator and storage temperature all can reach 100 DEG C × 95%RH, but the life-span shows
Writing and shorten, higher temperature is difficult to.Along with display device applications field is widened, mankind's activity space is opened up
Exhibition, the application of various unmanned machines, the demand of 100 DEG C × more than 95%RH is increasing, the bottleneck of display device
Occurring, the work and the storage problem that therefore solve the display device under hot and humid environment have important reality
Meaning.Under the conditions of 60 DEG C × 95%RH, the degradation speed of display device is substantially accelerated；OLED is shown
For showing device, the electron transition mechanism of active illuminating display device, cause material aging to accelerate；At liquid crystal
In display device, the stability of liquid crystal material and polarizing materials is the key factor affecting the life-span, is finding liquid
In more than 100 year of brilliant material, after being widely used especially as display material, immediate and mid-term, liquid crystal material
Stability obtain significant progress, in the liquid crystal cell being closed, for hot and humid environment
There is certain tolerance, its phase inversion temperature wide ranges during display, can be by adjusting blending constituent ratio
Adapt to hot and humid environment；Biphenyl class, Phenylcyclohexane class liquid crystal material structure the abundantest, by these
Material composition mixed liquid crystal, clearing point temperature can reach 120～130 DEG C, and gluing at-30 DEG C of liquid crystal materials
Degree still can meet display requirement, has the operating temperature range of non-constant width.
The basic structure of polaroid is two-layer cellulose triacetate thin film (TAC, Tri-Acetyl Cellulose)
Folder layer of polyethylene alcohol (PVA, polyvinyl alcohol) thin film；For manufacturing process, the front road of polaroid
Manufacturing process is to do uniaxial extension after polyvinyl alcohol film dyes, and fits, respectively after forming light polarizing film again
Add and cover one layer of TAC film, and add again outside the TAC film of upper strata and cover a surface protection film, separately at lower floor TAC
Coating surface protecting film again is attached after mould release membrance or reflectance coating with optics sticker outside film.Polaroid produces
Colouring method in technique has iodine staining and two kinds of techniques of dyes color method, and wherein, iodine staining refers to
In polaroid dyeing, drawing process, iodine and potassium iodide is used to make PVA film polarization as two tropism media
Change polarized light property, the advantage of this colouring method be easier to obtain more than 99.9% high degree of polarization and 42%
The polarized light property of above high permeability, so polarizing materials product in early days or need high polarisation, high transmission
The polarizing materials product of characteristic all uses iodine staining technique to be processed mostly, but the deficiency of this technique it
Place is owing to the molecular structure of iodine is prone to destroy under conditions of hot and humid, therefore uses iodine staining technique raw
The polaroid durability produced is poor, it is adaptable to the working condition of 60 DEG C × below 90%RH；Utilize two tropism dyes
Material carries out the polaroid product that polaroid dyeing is produced, and the highest can meet 90 DEG C × 95%RH
The use requirement of following working condition.
Dye solution crystal formation display device without polaroid can produce the liquid crystal indicator of high-temp resisting high-humidity resisting,
Can be used in the environmental condition of 100 DEG C × 95%RH；The dye-type liquid crystal indicator of high-temp resisting high-humidity resisting, it lacks
Point is that contrast is low, even if absorbing the double-deck dye liquid crystal box structure that direction intersects, the most only 4～6
Contrast；In mankind nowadays visual custom, this contrast cannot meet use requirement.Additionally, dyestuff
Dichroic dye in liquid crystal, due to purity requirement is high and the compatibility requirements of liquid crystal exist limit and
The requirement that dichromatic is big, suitable kind of dyes is fewer, purifies extremely difficult during actual manufacture, and cost is also
The highest.
Summary of the invention
This utility model is in hot and humid environment, and the liquid crystal indicator lost of life or display function are lost
The parasitic problems lost, and develop a kind of hot and humid liquid crystal indicator.
Technological means of the present utility model is as follows:
A kind of hot and humid liquid crystal indicator, including:
The first plastic sheeting containing UV absorbent；
It is arranged at the first glass film below described first plastic sheeting；Described first glass film upper surface
Relative with described first plastic sheeting lower surface connect；
It is arranged at the liquid crystal cell below described first glass film；
It is arranged at the first outer rim between described first glass film and described liquid crystal cell；Outside described first
Frame is positioned at the marginal position of the first glass film and liquid crystal cell, constitutes first with the first glass film and liquid crystal cell
Close space；
It is placed in described first and closes frame in first in space and the first polyvinyl alcohol processed through dyeing is thin
Film；In described first, frame encloses in being laid in described first outer rim, and has multiple formation frame spaced apart
First spacer block of shape structure；Described first polyvinyl alcohol film upper surface connects described first glass film following table
Face, lower surface connects described liquid crystal cell, frame in side connection described first；
Further, described first glass film upper surface and described first plastic sheeting lower surface are by pressure-sensitive
Glue-line is connected；Described first polyvinyl alcohol film upper surface connects described first glass thin by pressure-sensitive adhesive layer
Film lower surface；Described first polyvinyl alcohol film lower surface connects described liquid crystal cell by pressure-sensitive adhesive layer；
It addition, described display device also include being positioned in the first outer rim and first between frame first dry
Drying prescription；
Further, described liquid crystal cell has double glazing substrate；Described device also includes:
It is placed in the second glass film below described liquid crystal cell；
It is arranged at the second plastic sheeting below described second glass film；Described second plastic sheeting contains purple
Ultraviolet absorbers, and the upper surface described second glass film lower surface of connection；
It is arranged at the second outer rim between described liquid crystal cell and described second glass film；Outside described second
Frame is positioned at liquid crystal cell and the marginal position of the second glass film, constitutes second with liquid crystal cell and the second glass film
Close space；
It is placed in described second and closes frame in second in space and the second polyvinyl alcohol processed through dyeing is thin
Film；In described second, frame encloses in being laid in described second outer rim, and has multiple formation frame spaced apart
Second spacer block of shape structure；Described second polyvinyl alcohol film upper surface connects described liquid crystal cell, and lower surface is even
Connect described second glass film, frame in side connection described second；
Further, described second glass film upper surface passes through with described second polyvinyl alcohol film lower surface
Pressure-sensitive adhesive layer is connected；Described second polyvinyl alcohol film upper surface connects described liquid crystal cell by pressure-sensitive adhesive layer；
Described second glass film lower surface is connected by pressure-sensitive adhesive layer with described second plastic sheeting upper surface；
Further, in described display device also includes being positioned over the second outer rim and second between frame
Two desiccant；
Further, described liquid crystal cell one side connects the first polyvinyl alcohol film, and another side is reflector；
Further, the clearing point of described liquid crystal cell is at least high than the storage temperature of described liquid crystal indicator
10℃；Described first outer rim, frame fibreglass in frame, the second outer rim and second in first
Mix according to constant weight percentage with epoxy resin；
Further, described first glass film thickness, described second glass film thickness are respectively less than equal to 200
μm；Described constant weight percentage is 1:99～50:50；Described first outer rim, frame in first
Height be 10～100 μm, and less than or equal to the thickness of the first polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer
Sum；In second outer rim and second, the height of frame is 10～100 μm, and less than or equal to the second polyethylene
Alcohol thin film and the thickness sum of its both sides pressure-sensitive adhesive layer；Described first polyvinyl alcohol film and its both sides pressure sensitive adhesive
Layer is full of the inner space of frame in described first；Described second polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer
It is full of the inner space of frame in described second；Described first outer rim, frame, the second outer rim in first
With second in the body width of frame be 200～500 μm；In described first outer rim and first between frame
Distance be 0.1～1.5mm；In described second outer rim and second, the distance between frame is 0.1～1.5mm.
Owing to have employed technique scheme, the hot and humid liquid crystal indicator of one that this utility model provides,
Described liquid crystal indicator can be applicable to hot and humid environment, and be operated in hot and humid in the environment of,
Ensure that service life and the display performance of liquid crystal indicator.
Accompanying drawing explanation
Fig. 1 is the structural representation of liquid crystal indicator described in the utility model；
Fig. 2 is the structural representation of frame in this utility model the first outer rim and first；
Fig. 3 is this utility model the first outer rim, the structure of frame and the first polyvinyl alcohol film is shown in first
It is intended to.
In figure: 1, the first plastic sheeting, the 2, first glass film, 3, liquid crystal cell, the 4, first outer rim,
5, the first closing space, frame in 6, first, the 7, first polyvinyl alcohol film, the 9, first desiccant,
10, the second glass film, the 11, second plastic sheeting, the 12, second outer rim, frame in 14, second,
15, the second desiccant, 16, pressure-sensitive adhesive layer, the 17, second polyvinyl alcohol film, the 61, first spacer block.
Detailed description of the invention
The hot and humid liquid crystal indicator of one as shown in Figure 1, Figure 2 and Figure 3, including: containing ultraviolet
First plastic sheeting 1 of absorbent；It is arranged at the first glass film 2 below described first plastic sheeting 1；
Described first glass film 2 upper surface is relative with described first plastic sheeting 1 lower surface to be connected；It is arranged at institute
State the liquid crystal cell 3 below the first glass film 2；It is arranged at described first glass film 2 and described liquid crystal cell 3
Between the first outer rim 4；Described first outer rim 4 is positioned at the first glass film 2 and the edge of liquid crystal cell 3
Position, constitutes the first closing space 5 with the first glass film 2 and liquid crystal cell 3；It is placed in described first and closes sky
Between in 5 first in frame 6 and the first polyvinyl alcohol film 7 of processing through dyeing；Frame in described first
6 be laid in described first outer rim 4 in enclose, and there is the first spacer block of multiple formation frame like structure spaced apart
61；Described first polyvinyl alcohol film 7 upper surface connects described first glass film 2 lower surface, lower surface
Connect described liquid crystal cell 3, frame 6 in side connection described first；Further, described first glass film
2 upper surfaces are connected by pressure-sensitive adhesive layer 16 with described first plastic sheeting 1 lower surface；Described first poly-second
Enol thin film 7 upper surface connects described first glass film 2 lower surface by pressure-sensitive adhesive layer 16；Described first
Polyvinyl alcohol film 7 lower surface connects described liquid crystal cell 3 by pressure-sensitive adhesive layer 16；It addition, described display dress
Put the first desiccant 9 also including being positioned in the first outer rim 4 and first between frame 6；Further,
Described liquid crystal cell 3 has double glazing substrate；Described device also includes: be placed in below described liquid crystal cell 3
Second glass film 10；It is arranged at the second plastic sheeting 11 below described second glass film 10；Described
Second plastic sheeting 11 is containing UV absorbent, and upper surface connects described second glass film 10 following table
Face；It is arranged at the second outer rim 12 between described liquid crystal cell 3 and described second glass film 10；Described
Two outer rim 12 are positioned at liquid crystal cell 3 and the marginal position of the second glass film 10, with liquid crystal cell 3 and second
Glass film 10 constitutes the second closing space；It is placed in described second and closes frame 14 He in second in space
Through the second polyvinyl alcohol film 17 that dyeing processes；In described second, frame 14 is laid in outside described second
Enclose in frame 12, and there is the second spacer block of multiple formation frame like structure spaced apart；Described second polyvinyl alcohol
Thin film 17 upper surface connects described liquid crystal cell 3, and lower surface connects described second glass film 10, and side connects
Frame 14 in described second；Further, described second glass film 10 upper surface and described second polyethylene
Alcohol thin film 17 lower surface is connected by pressure-sensitive adhesive layer 16；Described second polyvinyl alcohol film 17 upper surface leads to
Cross pressure-sensitive adhesive layer 16 and connect described liquid crystal cell 3；Described second glass film 10 lower surface and described second plastics
Thin film 11 upper surface is connected by pressure-sensitive adhesive layer 16；Further, described display device also includes placing
The second desiccant 15 between frame 14 in the second outer rim 12 and second；Further, described liquid crystal
Box 3 one side connects the first polyvinyl alcohol film 7, and another side is reflector；Further, described liquid crystal cell 3
Clearing point at least high than the storage temperature of described liquid crystal indicator 10 DEG C；Described first outer rim 4,
In one in frame the 6, second outer rim 12 and second frame 14 fibreglass and epoxy resin according to necessarily
Weight percent mixes；Further, described first glass film 2 thickness, described second glass
Thin film 10 thickness is respectively less than equal to 200 μm；Described constant weight percentage is 1:99～50:50；Institute
Stating the height of frame 6 in the first outer rim 4, first is 10～100 μm, and less than or equal to the first polyethylene
Alcohol thin film 7 and the thickness sum of its both sides pressure-sensitive adhesive layer 16；Frame 14 in second outer rim 12 and second
It is highly 10～100 μm, and less than or equal to the second polyvinyl alcohol film 17 and its both sides pressure-sensitive adhesive layer 16
Thickness sum；Described first polyvinyl alcohol film 7 be full of described first with its both sides pressure-sensitive adhesive layer 16 in frame
The inner space of 6；In described second polyvinyl alcohol film 17 is full of described second with its both sides pressure-sensitive adhesive layer 16
The inner space of frame 14；Frame the 6, second outer rim 12 and second in described first outer rim 4, first
The body width of interior frame 14 is 200～500 μm；In described first outer rim 4 and first between frame 6
Distance be 0.1～1.5mm；In described second outer rim 12 and second distance between frame 14 be 0.1～
1.5mm；Wherein, Fig. 2 illustrates the structural representation of frame 6 in this utility model the first outer rim 4 and first,
Fig. 3 shows frame 6 and the knot of the first polyvinyl alcohol film 7 in this utility model the first outer rim 4, first
Structure schematic diagram, wherein figure 2 show frame 6 in the first outer rim 4 and first specifically lays example, Fig. 3
Show that the first polyvinyl alcohol film 7 specifically lays example in the inner space of frame 6 in first,
In two outer rim 12, second frame 14 and the second polyvinyl alcohol film 17 concrete lay example and Fig. 2,
Fig. 3 is similar, and second closes space and the second spacer block is the most not shown, itself and the shown in Fig. 2, Fig. 3
One closing space 5 is identical with the structure of the first spacer block 61, the most symmetrical above and below along liquid crystal cell 3.
Liquid crystal cell 3 described in the utility model is passive liquid crystal cell 3 or passive liquid crystal cell 3；Space is closed being formed
Time, active liquid crystal box 3 and passive liquid crystal cell 3 primary difference is that the resolution of pixel, active liquid crystal box 3
The glass film selecting tens of micrometers thick is advisable；Successively according to first glass film the 2, first polyvinyl alcohol film
7 and first order of mould release membrance, or according to the first mould release membrance, the first polyvinyl alcohol film 7 and the first glass thin
Three parts are complex as a whole by the order of film 2 by pressure-sensitive adhesive layer 16；Successively according to the second glass film 10,
Second polyvinyl alcohol film 17 and the order of the second mould release membrance, or according to the second mould release membrance, the second polyvinyl alcohol
Three parts are complex as a whole by the order of thin film 17 and the second glass film 10 by pressure-sensitive adhesive layer 16；First
First polyvinyl alcohol film 7 to processing through dyeing that act as of mould release membrance is protected, and improves the
One polyvinyl alcohol film 7 and the first compound uniformity of glass film 2, the effect of the second mould release membrance is similar；
In described first outer rim 4, first, in frame the 6, second outer rim 12 and second, frame 14 has certain
Block water gas barrier properties；First desiccant 9 is positioned in the first outer rim 4 and first between frame 6, and second
Desiccant 15 is positioned in the second outer rim 12 and second between frame 14；First desiccant 9, second is dry
Drying prescription 15 can be block, powder or packed, due in the first outer rim 4 and first between frame 6, with
And second be all an accommodation space between frame 14 in outer rim 12 and second, though the first desiccant 9
Or second desiccant 15 diffused out by this accommodation space, because the first polyvinyl alcohol film 7 and the first glass thin
Film 2 is combined closely, and the second polyvinyl alcohol film 17 is combined closely with the second glass film 10, it is possible to prevent
First desiccant 9 or the second desiccant 15 enter viewing area；First outer rim 4 and the second outer rim 12 are
The frame like structure closed continuously, it is possible to ensure that steam does not enter into the first closing space 5 or second and closes sky
Between, in described first, frame 6 has the first spacer block 61 of multiple formation frame like structure spaced apart, it is ensured that the
One space, polyvinyl alcohol film 7 place, with the space connection between frame 6 in the first outer rim 4 and first,
And ensure the first desiccant 9 indiffusion；In described second, frame 14 has multiple formation frame-shaped spaced apart
Second spacer block of structure, it is ensured that the second space, polyvinyl alcohol film 17 place, with the second outer rim 12 and the
In two, the space between frame 14 connects, and ensures the second desiccant 15 indiffusion.
This utility model is according to the requirement of different liquid crystal indicators, for reflection-type liquid-crystal display device,
Liquid level box first plastic sheeting the 1, first glass film 2, first having containing UV absorbent routed over gathers
Frame 6 in alcohol film the 7, first outer rim 4 and first, lower section is laid with containing UV absorbent
Two plastic sheeting the 11, second glass film the 10, second polyvinyl alcohol film the 17, second outer rim 12,
Frame 14 and reflector in two, in reflection-type liquid-crystal display device, by design liquid crystal cell 3 structure, also
Can with liquid level box routed over have containing UV absorbent first plastic sheeting the 1, first glass film 2,
Frame 6 in one polyvinyl alcohol film the 7, first outer rim 4 and first, only lays reflection below liquid crystal cell 3
Device；For half-reflection and half-transmission type liquid crystal indicator, liquid crystal cell 3 is routed over have containing UV absorbent
In one plastic sheeting the 1, first glass film the 2, first polyvinyl alcohol film the 7, first outer rim 4 and first
Frame 6, lower section be laid with second plastic sheeting the 11, second glass film 10 containing UV absorbent,
Frame 14 and half-reflection and half-transmission device in dimerized vinyl alcohol thin film the 17, second outer rim 12, second.
First glass film 2 thickness described in the utility model, described second glass film 10 thickness are respectively less than
In 200 μm, the thickness of the first glass film 2 or the second glass film 10 is the thinnest, and cost is the highest, and first
The thickness of glass film 2 or the second glass film 10 is the thickest, and the internal reflection of liquid crystal indicator can be to imaging
Quality impacts, when the resolution of liquid crystal indicator is more than 200ppi, and the first glass film 2 and the
The thickness of two glass films 10 all should be less than 100 μm, for segment encode class liquid crystal indicator, the first glass
Visual effect is had no significant effect, when to liquid crystal indicator by the thickness of thin film 2 or the second glass film 10
Gross thickness less demanding time, the first glass film 2 and the second glass film 10 change the glass that thickness is slightly thick into
Substrate can also.In first outer rim 4, first described in the utility model, the height of frame 6 is 10～100 μ
M, and less than or equal to the thickness sum of the first polyvinyl alcohol film 7 with its both sides pressure-sensitive adhesive layer 16；Outside second
In frame 12 and second, the height of frame 14 is 10～100 μm, and less than or equal to the second polyvinyl alcohol film
17 with the thickness sum of its both sides pressure-sensitive adhesive layer 16；Described first polyvinyl alcohol film 7 and its both sides pressure sensitive adhesive
Layer 16 is full of the inner space of frame 6 in first；Described second polyvinyl alcohol film 17 is pressure-sensitive with its both sides
Glue-line 16 is full of the inner space of frame 14 in described second；The inner space and of frame 6 in first
In two in the inner space of frame 14, do not consider gas expansion factor, through the first polyethylene that dyeing processes
Alcohol thin film 7 and the second polyvinyl alcohol film 17 and pressure-sensitive adhesive layer 16, the temperature conditions of 100～120 DEG C
Under, first glass film the 2, second glass film 10 and liquid crystal cell 3 will not be produced bright by the volume after expansion
Aobvious deformation.
The body of frame 14 in frame the 6, second outer rim 12 and second in described first outer rim 4, first
Width is 200～500 μm；Here body width refers to make described first outer rim the 4, first inner edge
The section bar width of frame 14 in frame the 6, second outer rim 12 and second, specifically, refers to arbitrary side of frame
Width；The minimum restricted width of body of the first outer rim 4 and the second outer rim 12 in gas barrier properties, first
In interior frame 6 and second, the minimum restricted width of body of frame 14 is in the liquid crystal indicator ken；Adjacent first
Interval between interval between spacer block 61, adjacent second spacer block does not has concrete dimensional requirement, according to being dried
The type set of agent；In described first outer rim 4 and first distance between frame 6 be 0.1～
1.5mm, in described second outer rim 12 and second, the distance between frame 14 is 0.1～1.5mm, and then
The first desiccant 9 and/or the amount of the second desiccant 15 placed, it is possible to each sized liquid crystal of Reliable guarantee shows
Device display performance under the conditions of hot and humid；In described first outer rim 4 and first between frame 6
In distance, described second outer rim 12 and second, the distance between frame 14 determines the amount that desiccant is placed,
The area of liquid crystal indicator is the biggest, and the range of choice of above-mentioned distance is the widest；Described first outer rim 4, first
In interior frame the 6, second outer rim 12 and second, frame 14 fibreglass and epoxy resin are according to certain weight
Amount percentage mixes so that frame the 6, second outer rim 12 and the in the first outer rim 4, first
In two, frame 14 has had been provided with certain gas barrier property water preventing ability, can place first for improving the life-span further
Desiccant 9 and the second desiccant 15；The clearing point of described liquid crystal cell 3 is at least than described liquid crystal indicator
Storage temperature is high 10 DEG C；The clearing point appreciable impact liquid crystal characteristic of liquid crystal cell 3, particularly to birefringence and
Viscosity influence is relatively big, and under meeting high temperature display requirement condition, clearing point is unsuitable too high, too high clearing point
Liquid crystal, can reduce low temperature display performance, and then the low temperature display performance for maintaining like will improve liquid crystal material
Cost.
Frame the 6, second outer rim 12 and the second inner edge in first outer rim 4, first described in the utility model
Frame 14 fibreglass and epoxy resin mix according to constant weight percentage, described constant weight
Percentage is 1:99～50:50；The glass fibre of suitable density can keep thickness can improve the most again resistance
Vapour lock aqueous, rule of thumb, the percentage by weight of glass fibre and epoxy resin is 1:99～50:50 model
Good printing and caking property can be kept in enclosing；Generally the choke water preventing ability of epoxy resin is less than glass,
Therefore the diameter of glass fibre is close to the polyvinyl alcohol film thickness processed through dyeing, is coated on the first polyethylene
Alcohol thin film 7 or the pressure-sensitive adhesive layer 16 of the second polyvinyl alcohol film 17 both sides, the beneficially first outer rim 4,
In one, in frame the 6, second outer rim 12 and second, the choke water preventing ability of frame 14 improves, and epoxy resin is permissible
Be UV curing type can also be thermohardening type.
This utility model is answered first plastic sheeting the 1, first glass film 2 and the first polyvinyl alcohol film 7
During conjunction, or at the second plastic sheeting the 11, second glass film 10 and the second polyvinyl alcohol film 17
Recombination process in, should be noted that and adjust the cohesive force of pressure sensitive adhesive and the thickness of pressure sensitive adhesive, pressure-sensitive adhesive layer 16
Thickness can be less than or equal to 20 μm, the patch on the first polyvinyl alcohol film 7 or the second polyvinyl alcohol film 17
Attached pressure-sensitive adhesive layer 16, can not only adjust the interior of frame 14 in the inner space and second of frame 6 in first
In implant in space, portion, and the first outer rim 4, first in frame the 6, second outer rim 12, second
Matched relation between frame 14, and make the first polyvinyl alcohol film 7 at bonding the first glass thin
Film 2 and the glass substrate of liquid crystal cell 3, the second polyvinyl alcohol film 17 is bonding the second glass film 10 He
The glass substrate of liquid crystal cell 3, will not produce gap, reduces internal reflection；Consider the first outer rim 4, first
In interior frame the 6, second outer rim 12 and second, frame 14 is in the course of processing, and the width after solidification is greater than
Printing width, to prevent frame and polyvinyl alcohol film excess from overlapping, affects the outward appearance of liquid crystal indicator；
When first glass film 2 and the second glass film 10 are cut, laser cutting method or Buddha's warrior attendant can be used
The mechanical cutting method of stone break bar realizes, when the thickness of the first glass film 2 or the second glass film 10 is little
In 100 μm, it is proposed that use laser cutting method；Print in first outer rim the 4, second outer rim 12, first
In frame 6 and second, the precalculated position of frame 14 is mainly by the ken and the size decision of liquid crystal indicator, logical
Often all near the edge of liquid crystal cell 3, keep safe distance with ken outer rim；This utility model is in vacuum environment
In, the complex para-position of the first glass film 2 and the first polyvinyl alcohol film 7 is covered on liquid crystal cell 3
There is the side of frame 6 in the first outer rim 4 and first, by the second glass film 10 and the second polyvinyl alcohol
The complex para-position of thin film 17 is covered has frame 14 in the second outer rim 12 and second on liquid crystal cell 3
Side, divides for making the first closing space 5 and second close the fewest residual water molecule and oxygen in space
Son, extends the dye molecule life-span in the first polyvinyl alcohol film 7 or the second polyvinyl alcohol film 17, vacuum
Laminating and encapsulation are the most necessary, and laminating under vacuum state and encapsulation can also make the polyvinyl alcohol of dyeing
Thin film flatness is the highest, and then forms homogeneous coverage effect with the glass substrate of liquid crystal cell 3.Dyeing
Thickness after first polyvinyl alcohol film 7 or the stretching of the second polyvinyl alcohol film 17 is in the scope of 10～50 μm
In, self soft easily wrinkle, laminating can be overcome under vacuum state to produce defect；Vacuum abutted and encapsulation after,
Needs carry out flatten stitching operation, this operation can have multiple processing mode, as parallel hot plate pressuring method,
Air bag hot plate pressuring method, the pressure of applying is main and in first outer rim the 4, second outer rim 12, first
Frame 6 is relevant with the effective volume of frame in second 14, it is ensured that after pressing outside the first outer rim 4, second
In frame 12, first, in frame 6 and second, the glass fibre in frame 14 in the same plane, produces uniform
Highly；In to the first outer rim 4, first, in frame the 6, second outer rim 12 and second, frame 14 is carried out
Heating or employing ultraviolet light irradiate, and only should be noted the luminous flux of heating-up temperature or ultra-vioket radiation, as carried out ultraviolet
Irradiate, need to carry out in both sides.
Below in conjunction with the application example of liquid crystal indicator be given two kinds representative be applicable to hot and humid
The liquid crystal indicator of environment, is respectively segmentation TN type liquid crystal indicator, a TN type TFT liquid crystal display
Device, equilibrium considers cost, the thickness impact on liquid crystal indicator high-temp resisting high-humidity resisting performance parameter, below
Provide explanation respectively:
For a segmentation TN liquid crystal indicator, wherein, the first plastic sheeting 1 and the second plastic sheeting 11
Using the PET film containing UV absorbent, the thickness of this PET film is 50 μm；First glass thin
The commercial TN glass film that film 2 and the second glass film 10 use thickness to be 200 μm；First polyethylene
Alcohol thin film 7 and the second polyvinyl alcohol film 17 use the polyvinyl alcohol film through dichroic dye dyeing, thick
Degree is 20 μm；Before and after liquid crystal cell 3 employing, double glazing substrate is the TN type liquid crystal cell 3 of 0.55mm；
Pressure-sensitive adhesive layer 16 uses polyacrylate pressure-sensitive；The ken size of segment liquid crystal box 3 is
80mmx75mm, minimum glass overall dimensions 83x78mm, box thickness is 7.5 μm, the separating material of viewing area
Material model is SP2075, and the interval insulant of frame is Si-H2078, and liquid crystal material is 8L1055600 series,
There is the clearing point temperature higher than 120 DEG C；The liquid crystal cell 3 that the liquid crystal of 8L1055600 series is made meets 110 DEG C
Ambient temperature, and low temperature also can arrive-30 DEG C；First outer rim the 4, second outer rim the 12, first inner edge
In frame 6 and second, frame 14 is by the thermosetting epoxy resin XN-5A of Mitsui Chemicals and NEG
PF40 mixture of glass fibers composition, bezel height is about 40 μm, equal to the first polyvinyl alcohol film
7 or second polyvinyl alcohol film 17 thickness (20 μm) and its both sides pressure-sensitive adhesive layer 16 thickness (10 μm+10
μm) sum；The weight percent of described epoxy resin and glass fibre is 10:90；First outer rim 4
It is 82.5x77.5mm with the size of the second outer rim 12；First outer rim the 4, second outer rim 12, first
In interior frame 6 and second, the body width of frame 14 is 300 μm respectively；Described first outer rim 4 and
In one, in distance between frame 6, described second outer rim 12 and second, distance between frame 14 is
500 μm, middle placement the first desiccant 9 or the second desiccant 15；Frame in frame 6 and second in first
The size of 14 is all 81.7x76.7mm, through the first polyvinyl alcohol film 7 or that dichroic dye processes
The size of dimerized vinyl alcohol thin film 17 is 81.1x76.1mm.
TN type TFT liquid crystal indicator, the first plastic sheeting 1 and the second plastic sheeting 11 are used and contains
Having compensation film and the PET film of UV absorbent, the thickness of this PET film is 100 μm；First glass
The thickness of glass thin film 2 and the second glass film 10 is 100 μm；First polyvinyl alcohol film 7 and second gathers
Alcohol film 17 uses the polyvinyl alcohol film through dichroic dye dyeing；Liquid crystal cell 3 uses before having
The TN type TFT liquid crystal cell 3 of rear double-deck 0.4mm alkali-free TFT glass substrate；Pressure sensitive adhesive uses polyacrylic acid
Ester pressure-sensitive；Compensate film for improving the viewing angle characteristic of liquid crystal indicator；Regarding of TN type TFT liquid crystal cell 3
Domain sizes is 111mmx63mm, and minimum glass overall dimensions 115x68mm, box thickness is 4 μm, viewing area
Interval insulant model is SP2040, and the interval insulant of frame is Si-H2042, and liquid crystal material is highly purified
8L1055600 series, has the clearing point temperature of 120 DEG C, with a difference for segmentation TN liquid crystal indicator
Be resistivity be 1013Ohmcm；Frame 6 and in first outer rim the 4, second outer rim 12, first
The frame 14 thermosetting epoxy resin XN-5A by Mitsui Chemicals and the PF20 glass of NEG in two
Glass fibre blend forms, and the bezel height of formation is about 20 μm, equal to the first polyvinyl alcohol film 7
Or second polyvinyl alcohol film 17 thickness (10 μm) and its both sides pressure-sensitive adhesive layer 16 thickness (5 μm+5
μm) sum；The weight percent of described epoxy resin and glass fibre is 10:90；First outer rim 4
It is 114.5x67.5mm with the size of the second outer rim 12；First outer rim the 4, second outer rim 12, first
In interior frame 6 and second, the body width of frame 14 is 300 μm respectively；Described first outer rim 4 and
In one, in distance between frame 6, described second outer rim 12 and second, distance between frame 14 is
500 μm, middle placement the first desiccant 9 or the second desiccant 15；Frame in frame 6 and second in first
The size of 14 is all 113.7x66.7mm, through the first polyvinyl alcohol film 7 or that dichroic dye processes
The size of dimerized vinyl alcohol thin film 17 is 113.1x76.1mm.
Above-mentioned segmentation TN liquid crystal indicator, it is possible to long under the hot and humid environment of 110 DEG C of x90%RH
Life-span normally shows.Above-mentioned TN type TFT liquid crystal indicator, it is possible to high at the high temperature of 110 DEG C of x90%RH
The wet environment lower long-life normally shows.
By changing glass film thickness, replacing the pattern of liquid crystal cell 3, on the polyvinyl alcohol film of dyeing
Add more thin film, the adjustment that liquid crystal indicator is carried out, all contain in protection of the present utility model
In the range of；This utility model structure according to liquid crystal cell 3 and the characteristics design confined space of light polarizing film, protection
Light polarizing film, in vacuum environment, produces the liquid crystal indicator of high-temp resisting high-humidity resisting.
The above, only this utility model preferably detailed description of the invention, but protection model of the present utility model
Enclose and be not limited thereto, the technology model that any those familiar with the art discloses at this utility model
In enclosing, according to the technical solution of the utility model and inventive concept thereof in addition equivalent or change, all should contain
Cover within protection domain of the present utility model.
Claims (9)
1. a hot and humid liquid crystal indicator, it is characterised in that described display device includes:
The first plastic sheeting containing UV absorbent；
It is arranged at the first glass film below described first plastic sheeting；Described first glass film upper surface
Relative with described first plastic sheeting lower surface connect；
It is arranged at the liquid crystal cell below described first glass film；
It is arranged at the first outer rim between described first glass film and described liquid crystal cell；Outside described first
Frame is positioned at the marginal position of the first glass film and liquid crystal cell, constitutes first with the first glass film and liquid crystal cell
Close space；
It is placed in described first and closes frame in first in space and the first polyvinyl alcohol processed through dyeing is thin
Film；In described first, frame encloses in being laid in described first outer rim, and has multiple formation frame spaced apart
First spacer block of shape structure；Described first polyvinyl alcohol film upper surface connects described first glass film following table
Face, lower surface connects described liquid crystal cell, frame in side connection described first.
The hot and humid liquid crystal indicator of one the most according to claim 1, it is characterised in that described
One glass film upper surface is connected by pressure-sensitive adhesive layer with described first plastic sheeting lower surface；Described first
Polyvinyl alcohol film upper surface connects described first glass film lower surface by pressure-sensitive adhesive layer；Described first gathers
Alcohol film lower surface connects described liquid crystal cell by pressure-sensitive adhesive layer.
The hot and humid liquid crystal indicator of one the most according to claim 1, it is characterised in that described aobvious
Showing device also includes being positioned over the first desiccant in the first outer rim and first between frame.
The hot and humid liquid crystal indicator of one the most according to claim 1, it is characterised in that described liquid
Brilliant box has double glazing substrate；Described device also includes:
It is placed in the second glass film below described liquid crystal cell；
It is arranged at the second plastic sheeting below described second glass film；Described second plastic sheeting contains purple
Ultraviolet absorbers, and the upper surface described second glass film lower surface of connection；
It is arranged at the second outer rim between described liquid crystal cell and described second glass film；Outside described second
Frame is positioned at liquid crystal cell and the marginal position of the second glass film, constitutes second with liquid crystal cell and the second glass film
Close space；
It is placed in described second and closes frame in second in space and the second polyvinyl alcohol processed through dyeing is thin
Film；In described second, frame encloses in being laid in described second outer rim, and has multiple formation frame spaced apart
Second spacer block of shape structure；Described second polyvinyl alcohol film upper surface connects described liquid crystal cell, and lower surface is even
Connect described second glass film, frame in side connection described second.
The hot and humid liquid crystal indicator of one the most according to claim 4, it is characterised in that described
Two glass film upper surfaces are connected by pressure-sensitive adhesive layer with described second polyvinyl alcohol film lower surface；Described
Second polyvinyl alcohol film upper surface connects described liquid crystal cell by pressure-sensitive adhesive layer；Under described second glass film
Surface is connected by pressure-sensitive adhesive layer with described second plastic sheeting upper surface.
The hot and humid liquid crystal indicator of one the most according to claim 4, it is characterised in that described aobvious
Showing device also includes being positioned over the second desiccant in the second outer rim and second between frame.
The hot and humid liquid crystal indicator of one the most according to claim 1, it is characterised in that described liquid
Brilliant box one side connects the first polyvinyl alcohol film, and another side is reflector.
The hot and humid liquid crystal indicator of one the most according to claim 6, it is characterised in that described liquid
The clearing point of brilliant box is at least high than the storage temperature of described liquid crystal indicator 10 DEG C；Described first outer rim,
In first in frame, the second outer rim and second frame fibreglass and epoxy resin according to constant weight
Percentage mixes.
The hot and humid liquid crystal indicator of one the most according to claim 8, it is characterised in that described
One glass film thickness, described second glass film thickness are respectively less than equal to 200 μm；Described constant weight hundred
Proportion by subtraction example is 1:99～50:50；Described first outer rim, the height of frame is 10～100 μm in first,
And less than or equal to the thickness sum of the first polyvinyl alcohol film with its both sides pressure-sensitive adhesive layer；Second outer rim and
In two, the height of frame is 10～100 μm, and less than or equal to the second polyvinyl alcohol film and its both sides pressure sensitive adhesive
The thickness sum of layer；Described first polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer be full of described first in frame
Inner space；Described second polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer are full of frame in described second
Inner space；Described first outer rim, the body width of frame in frame, the second outer rim and second in first
Degree is 200～500 μm；In described first outer rim and first, the distance between frame is 0.1～1.5mm；
In described second outer rim and second, the distance between frame is 0.1～1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228503.9U CN205539823U (en) | 2016-03-23 | 2016-03-23 | Humid tropical liquid crystal disply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228503.9U CN205539823U (en) | 2016-03-23 | 2016-03-23 | Humid tropical liquid crystal disply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539823U true CN205539823U (en) | 2016-08-31 |
Family
ID=56783642
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620228503.9U Active CN205539823U (en) | 2016-03-23 | 2016-03-23 | Humid tropical liquid crystal disply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572948A (en) * | 2016-03-23 | 2016-05-11 | 大连龙宁科技有限公司 | High-temperature high-humidity liquid crystal display device and manufacturing method thereof |
-
2016
- 2016-03-23 CN CN201620228503.9U patent/CN205539823U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572948A (en) * | 2016-03-23 | 2016-05-11 | 大连龙宁科技有限公司 | High-temperature high-humidity liquid crystal display device and manufacturing method thereof |
| CN105572948B (en) * | 2016-03-23 | 2022-03-25 | 大连龙宁科技有限公司 | High-temperature high-humidity liquid crystal display device and manufacturing method thereof |
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