CN108957822A - A kind of liquid crystal display and production method - Google Patents
A kind of liquid crystal display and production method Download PDFInfo
- Publication number
- CN108957822A CN108957822A CN201810907991.XA CN201810907991A CN108957822A CN 108957822 A CN108957822 A CN 108957822A CN 201810907991 A CN201810907991 A CN 201810907991A CN 108957822 A CN108957822 A CN 108957822A
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- Prior art keywords
- liquid crystal
- polaroid
- transparency conducting
- conducting layer
- substrate
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Classifications
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- 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
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
Abstract
The present invention provides a kind of liquid crystal display and production methods, graphene transparency conducting layer by being integrated in the inside of liquid crystal display by the production method, it does not need not only additionally to increase substrate, and then reduce decaying of the additional substrate to backlight brightness, and can also liquid crystal display surface be made to be heated evenly by way of face contact, and then reduce the temperature difference at liquid crystal layer center and surrounding, without additional assisted heating device, and simple process, it realizes the normal table of liquid crystal display at low ambient temperatures and shows.Also, the present invention is only integrated with two layers of graphene transparency conducting layer, and then does not increase the thickness and weight of liquid crystal display, meets the needs of liquid crystal display ultra-thin and ultra-light.
Description
Technical field
The present invention relates to LCD Technology fields, more specifically to a kind of liquid crystal display and production method.
Background technique
Liquid crystal is a kind of organic compound, under normal temperature conditions, shows the mobility of existing liquid, and have the light of crystal
Anisotropy is learned, is a kind of particular matter between a solid and a liquid, by applying an electric field to liquid crystal, so that it may change
Become the molecules align of liquid crystal, and then liquid crystal display is also just applied and given birth to.
Liquid crystal display has been widely used in each place for needing to show information at present, still, liquid crystal display with
The decline of temperature, for example, since liquid crystal material will become viscous, leading to liquid crystal display when temperature is reduced to 0 DEG C or less
The response speed of device is slack-off, contrast reduces, trailing phenomenon occurs in dynamic image cannot even show.If temperature is too low, liquid
Crystalline state disappearance becomes crystal, and liquid crystal display can not will work completely.
So, how to provide it is a kind of can the ultra-thin and ultra-light of normal use at low ambient temperatures liquid crystal display, be this
Field technical staff's urgent problem to be solved.
Summary of the invention
To solve the above problems, the present invention provides a kind of liquid crystal display and production method, realizing one kind can be
The liquid crystal display of the ultra-thin and ultra-light of normal use under low temperature environment.
To achieve the above object, the invention provides the following technical scheme:
A kind of production method of liquid crystal display, the liquid crystal display include the first substrate being oppositely arranged and the second base
Plate, and the liquid crystal layer being arranged between the first substrate and the second substrate, comprising:
First polaroid and the second polaroid are provided；
Make the first graphene transparency conducting layer and the second graphene transparency conducting layer；
The first graphene transparency conducting layer is attached to the surface of first polaroid, forms the first conductive polarisation
Piece；The second graphene transparency conducting layer is attached to the surface of second polaroid, forms the second conductive polaroid；
Described first conductive polaroid is fitted in the side that the first substrate deviates from the liquid crystal layer, and described first
Graphene transparency conducting layer is between first polaroid and the first substrate；By the described second conductive polaroid fitting
Deviate from the side of the liquid crystal layer in the second substrate, and the second graphene transparency conducting layer is located at second polarisation
Between piece and the second substrate；
Wherein, by powering to the first graphene transparency conducting layer and the second graphene transparency conducting layer, with
So that the first graphene transparency conducting layer and the second graphene transparency conducting layer is generated heat, and then is carried out to the liquid crystal layer
Heating.
Preferably, the surface that the first graphene transparency conducting layer is attached to first polaroid, comprising:
The release film of first polaroid is removed, to expose the pressure sensitive adhesive of first polaroid；
The first graphene transparency conducting layer is attached on the pressure sensitive adhesive.
Preferably, the surface that the second graphene transparency conducting layer is attached to second polaroid, comprising:
The release film of second polaroid is removed, to expose the pressure sensitive adhesive of second polaroid；
The second graphene transparency conducting layer is attached on the pressure sensitive adhesive.
Preferably, described that described first conductive polaroid is fitted in the first substrate away from the one of the liquid crystal layer
Side, and the first graphene transparency conducting layer is between first polaroid and the first substrate, comprising:
Described first conductive polaroid is fitted in by the side that the first substrate deviates from the liquid crystal layer using OCA glue,
And the first graphene transparency conducting layer is between first polaroid and the first substrate.
Preferably, described that described second conductive polaroid is fitted in the second substrate away from the one of the liquid crystal layer
Side, and the second graphene transparency conducting layer is between second polaroid and the second substrate, comprising:
Described second conductive polaroid is fitted in by the side that the second substrate deviates from the liquid crystal layer using OCA glue,
And the second graphene transparency conducting layer is between second polaroid and the second substrate.
Preferably, the production method further include:
The first conductive electrode is respectively set in the surface two sides of the first graphene transparency conducting layer, in second stone
The second conductive electrode is respectively set in the surface two sides of black alkene transparency conducting layer；
First conductive electrode and second conductive electrode are connected with the flexible circuit board of the liquid crystal display
It connects.
Preferably, first conductive electrode is identical with the material of second conductive electrode.
Preferably, described that first conductive electrode and second conductive electrode is soft with the liquid crystal display
Property circuit board connection, comprising:
First conductive electrode is connect with the flexible circuit board of the liquid crystal display using ACF glue；
Second conductive electrode is connect with the flexible circuit board of the liquid crystal display using ACF glue.
Preferably, on the direction for being parallel to the liquid crystal layer, the width range of first conductive electrode is 1mm-
10mm, including endpoint value, the width range of second conductive electrode are 1mm-10mm, including endpoint value.
The present invention also provides a kind of liquid crystal displays, are made by production method described in any of the above embodiments.
Compared to the prior art, what the present invention realized has the beneficial effect that
Above the present invention provides a kind of liquid crystal display and production method, the production method will be saturating by that will have graphene
The polaroid of bright conductive layer is fitted on first substrate and the second substrate, is powered to graphene transparency conducting layer, so that graphene
Transparency conducting layer fever, and then heated to liquid crystal layer, also, the heating method is heated in a manner of face contact, it realizes
The purpose of homogeneous heating reduces the temperature difference of liquid crystal layer center and surrounding, and only merely adds two layers of graphene electrically conducting transparent
Layer, and then does not increase the thickness and weight of liquid crystal display, realize can normal use at low ambient temperatures it is ultra-thin
Ultralight liquid crystal display.In addition to this, the polaroid heating device for directly having graphene transparency conducting layer reduces additional
Decaying of the substrate to backlight brightness, while being 97.7% plus the transmitance of graphene transparency conducting layer, to improve
The contrast of low-temp liquid crystal display device.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow diagram of liquid crystal display production method provided in an embodiment of the present invention；
Fig. 2-Fig. 6 is the corresponding Structure and Process schematic diagram of Fig. 1 production method；
Fig. 7 is the connection schematic diagram of the first conductive electrode provided in an embodiment of the present invention；
Fig. 8 is the connection schematic diagram of the second conductive electrode provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The embodiment of the present invention provides a kind of production method of liquid crystal display, and the liquid crystal display includes being oppositely arranged
First substrate and the second substrate, and the liquid crystal layer being arranged between the first substrate and the second substrate, this method
Method flow diagram is as shown in Figure 1, include the following steps:
S10, as shown in Fig. 2, providing the first polaroid 11 and the second polaroid 12；
In the present embodiment, first polaroid 11 and second polaroid 12 are inclined needed for liquid crystal display itself
Sheet structure, in the present invention without being further added by polaroid structure.
S20, as shown in figure 3, the first graphene transparency conducting layer 13 of production and the second graphene transparency conducting layer 14；
In step S20, the material of the first graphene transparency conducting layer 13 and the second graphene transparency conducting layer 14 is
Grapheme material, grapheme material have the advantages that high transmittance, and after energization, heating rate is fast.
Therefore, the first graphene transparency conducting layer 13 and the second graphene transparency conducting layer 14 of production have high transmittance
The advantages of, the display effect of liquid crystal display is improved indirectly.
S30, as shown in figure 4, the first graphene transparency conducting layer 13 to be attached to the table of first polaroid 11
Face forms the first conductive polaroid 15；As shown in figure 5, the second graphene transparency conducting layer 14 is attached to described second
The surface of polaroid 12 forms the second conductive polaroid 16；
In step s 30, the specific process is as follows:
Under clean room environment, the release film of first polaroid 11 is removed, to expose first polaroid 11
Pressure sensitive adhesive, the pressure sensitive adhesive have viscosity；
The first graphene transparency conducting layer 13 is attached on the pressure sensitive adhesive by the method for phase transfer.
Under clean room environment, the release film of second polaroid 12 is removed, to expose second polaroid 12
Pressure sensitive adhesive, the pressure sensitive adhesive have viscosity；
The second graphene transparency conducting layer 14 is attached on the pressure sensitive adhesive by the method for phase transfer.
It follows that, without additional fixed structure, graphene transparency conducting layer can be attached to partially in the present embodiment
On mating plate, and then the thickness and weight of liquid crystal display is effectively reduced.
S40, as shown in fig. 6, the described first conductive polaroid 15 is fitted in the first substrate 17 away from the liquid crystal
The side of layer 19, and the first graphene transparency conducting layer 13 be located at first polaroid 11 and the first substrate 17 it
Between；Described second conductive polaroid 16 is fitted in the side that the second substrate 18 deviates from the liquid crystal layer 19, and described the
Two graphene transparency conducting layers 14 are between second polaroid 12 and the second substrate 18；
In step s 40, the specific process is as follows:
First substrate 17 and 18 surface of the second substrate are dipped into isopropyl acetone wiped clean with ultra-fine non-dust cloth first and dried up,
For guaranteeing the cleannes on 18 surface of first substrate 17 and the second substrate, subsequent fitting effect and liquid crystal display are improved
Display effect.
OCA is sticked in the first graphene transparency conducting layer 13 and 14 surface of the second graphene transparency conducting layer later
(Optically Clear Adhesive, optical cement) glue.
The first conductive polaroid 15 is conformed into 17 surface of first substrate finally by high-precision laminating machine, by the second conduction
Polaroid 16 conforms to 18 surface of the second substrate.
It, will not be to liquid crystal display since OCA glue has the advantages that colorless and transparent, light transmission rate is high, and cementing strength is good
Display effect have an impact, therefore fitting fixation is carried out to the two using OCA glue in the present embodiment.
Based on above structure, by giving the first graphene transparency conducting layer 13 and the second graphene electrically conducting transparent
Layer 14 is powered, so that the first graphene transparency conducting layer 13 and the second graphene transparency conducting layer 14 fever, in turn
It is heated to the liquid crystal layer 19.
As can be seen from the above description, graphene transparency conducting layer is by being integrated in the inside of liquid crystal display by the present invention,
It does not need not only additionally to increase substrate, and then reduces decaying of the additional substrate to backlight brightness, and pass through face contact
Mode can also liquid crystal display surface be made to be heated evenly, and then reduce liquid crystal layer center and surrounding the temperature difference, without
Additional assisted heating device, and simple process realize the normal table of liquid crystal display at low ambient temperatures and show.
Also, the present invention is only integrated with two layers of graphene transparency conducting layer, and then does not increase liquid crystal display
Thickness and weight, meet the needs of liquid crystal display ultra-thin and ultra-light.
In addition to this, it in addition the transmitance of graphene transparency conducting layer is 97.7%, is shown to improve low temperature liquid crystal
The contrast of device.
The production method of the liquid crystal display provided based on the above embodiment, after step 30 is finished, and in step S40
Before, the production method further include:
As shown in fig. 7, the first conductive electrode is respectively set in the surface two sides of the first graphene transparency conducting layer 13
71, as shown in figure 8, the second conductive electrode 81 is respectively set in the surface two sides of the second graphene transparency conducting layer 14；
Flexible circuit by first conductive electrode 71 and second conductive electrode 81 with the liquid crystal display
Plate 72 connects.
In the present embodiment, it is contemplated that graphene transparency conducting layer is directly connected to flexible circuit board 72, and there are stable connections
Property difference problem, by being respectively set in the surface two sides of the first graphene transparency conducting layer and the second graphene transparency conducting layer
Conductive electrode, conductive electrode have conducting function first, and it is good with flexible circuit board connective stability secondly to have the advantages that.
Further, first conductive electrode 71 and second conductive electrode 81 can be silver paste or conductive copper glue
Band or 3, the polymer (Poly (3,4-ethylenedioxythiophene), abbreviation PEDOT) of 4 ethene dioxythiophene monomers.
First conductive electrode 71 can be identical or not identical with second conductive electrode 81, below with first
Conductive electrode 71 and the second conductive electrode 81 are to illustrate for PEDOT.
PEDOT electrode structure is sprayed using ultrasonic spraying equipment in the surface two sides of graphene transparency conducting layer, spraying
The velocity of discharge sprays number at 2 times -10 times, spray head movement speed is in 30mm/s-130mm/ in 0.01mL/min-10mL/min
S, spacing of the spray head apart from platform is 50mm-150mm, and the width of electrode structure is arranged in 1mm-10mm, including endpoint
Value, such as the width of the first conductive electrode 71 is 2mm or 5mm or 8mm, the width of second conductive electrode 81 is 2mm or 5mm
Or 8mm.
Also, in spraying process, spraying mask plate is used, it is ensured that the width and length of electrode structure are controlled
System.
After the completion of spraying, drying and processing is carried out using baking oven.
After the first conductive electrode 71 and the second conductive electrode 81 complete, using ACF (Anisotropic
Conductive Film, ACF) first conductive electrode 71 connect by glue with the flexible circuit board 72 of the liquid crystal display；
Second conductive electrode 81 is connect with the flexible circuit board 72 of the liquid crystal display using ACF glue.
The production method of the liquid crystal display provided based on the above embodiment, additionally provides in an alternative embodiment of the invention
A kind of liquid crystal display, the liquid crystal display are made by above-mentioned production method.
The liquid crystal display be it is a kind of can the ultra-thin and ultra-light of normal use at low ambient temperatures liquid crystal display.
A kind of liquid crystal display provided by the present invention and production method are described in detail above, it is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention；At the same time, for those skilled in the art is having according to the thought of the present invention
There will be changes in body embodiment and application range, in conclusion the content of the present specification should not be construed as to the present invention
Limitation.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For the device disclosed in the embodiment, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, phase
Place is closed referring to method part illustration.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the element that the process, method, article or equipment including a series of elements is intrinsic,
It further include either the element intrinsic for these process, method, article or equipments.In the absence of more restrictions,
The element limited by sentence "including a ...", it is not excluded that in the process, method, article or equipment including the element
In there is also other identical elements.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of production method of liquid crystal display, the liquid crystal display includes the first substrate being oppositely arranged and the second base
Plate, and the liquid crystal layer being arranged between the first substrate and the second substrate characterized by comprising
First polaroid and the second polaroid are provided；
Make the first graphene transparency conducting layer and the second graphene transparency conducting layer；
The first graphene transparency conducting layer is attached to the surface of first polaroid, forms the first conductive polaroid；
The second graphene transparency conducting layer is attached to the surface of second polaroid, forms the second conductive polaroid；
Described first conductive polaroid is fitted in the side that the first substrate deviates from the liquid crystal layer, and first graphite
Alkene transparency conducting layer is between first polaroid and the first substrate；Described second conductive polaroid is fitted in institute
State the second substrate deviate from the liquid crystal layer side, and the second graphene transparency conducting layer be located at second polaroid with
Between the second substrate；
Wherein, by powering to the first graphene transparency conducting layer and the second graphene transparency conducting layer, so that institute
The first graphene transparency conducting layer and the second graphene transparency conducting layer fever are stated, and then is added to the liquid crystal layer
Heat.
2. manufacturing method according to claim 1, which is characterized in that described that the first graphene transparency conducting layer is attached
To the surface of first polaroid, comprising:
The release film of first polaroid is removed, to expose the pressure sensitive adhesive of first polaroid；
The first graphene transparency conducting layer is attached on the pressure sensitive adhesive.
3. manufacturing method according to claim 1, which is characterized in that described that the second graphene transparency conducting layer is attached
To the surface of second polaroid, comprising:
The release film of second polaroid is removed, to expose the pressure sensitive adhesive of second polaroid；
The second graphene transparency conducting layer is attached on the pressure sensitive adhesive.
4. manufacturing method according to claim 1, which is characterized in that described that described first conductive polaroid is fitted in institute
State first substrate deviate from the liquid crystal layer side, and the first graphene transparency conducting layer be located at first polaroid with
Between the first substrate, comprising:
Described first conductive polaroid is fitted in by the side that the first substrate deviates from the liquid crystal layer, and institute using OCA glue
The first graphene transparency conducting layer is stated between first polaroid and the first substrate.
5. manufacturing method according to claim 1, which is characterized in that described that described second conductive polaroid is fitted in institute
State the second substrate deviate from the liquid crystal layer side, and the second graphene transparency conducting layer be located at second polaroid with
Between the second substrate, comprising:
Described second conductive polaroid is fitted in by the side that the second substrate deviates from the liquid crystal layer, and institute using OCA glue
The second graphene transparency conducting layer is stated between second polaroid and the second substrate.
6. manufacturing method according to claim 1, which is characterized in that the production method further include:
The first conductive electrode is respectively set in the surface two sides of the first graphene transparency conducting layer, in second graphene
The second conductive electrode is respectively set in the surface two sides of transparency conducting layer；
First conductive electrode and second conductive electrode are connect with the flexible circuit board of the liquid crystal display.
7. production method according to claim 6, which is characterized in that first conductive electrode and the second conductive electricity
The material of pole is identical.
8. production method according to claim 6, which is characterized in that described by first conductive electrode and described second
Conductive electrode is connect with the flexible circuit board of the liquid crystal display, comprising:
First conductive electrode is connect with the flexible circuit board of the liquid crystal display using ACF glue；
Second conductive electrode is connect with the flexible circuit board of the liquid crystal display using ACF glue.
9. production method according to claim 6, which is characterized in that described on the direction for being parallel to the liquid crystal layer
The width range of first conductive electrode is 1mm-10mm, including endpoint value, and the width range of second conductive electrode is 1mm-
10mm, including endpoint value.
10. a kind of liquid crystal display, which is characterized in that made by the described in any item production methods of the claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810907991.XA CN108957822A (en) | 2018-08-10 | 2018-08-10 | A kind of liquid crystal display and production method |
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| CN201810907991.XA CN108957822A (en) | 2018-08-10 | 2018-08-10 | A kind of liquid crystal display and production method |
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Application publication date: 20181207 |
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| RJ01 | Rejection of invention patent application after publication |