CN104007583A - Liquid crystal display screen frame adhesive making method and liquid crystal display screen frame adhesive structure - Google Patents
Liquid crystal display screen frame adhesive making method and liquid crystal display screen frame adhesive structure Download PDFInfo
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- CN104007583A CN104007583A CN201410254041.3A CN201410254041A CN104007583A CN 104007583 A CN104007583 A CN 104007583A CN 201410254041 A CN201410254041 A CN 201410254041A CN 104007583 A CN104007583 A CN 104007583A
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Abstract
The invention relates to a liquid crystal display frame adhesive making method and a liquid crystal display screen frame adhesive. The method comprises the following steps: an upper glass substrate layer is laminated on a lower glass substrate layer to form a screen body, a frame adhesive is arranged surrounding the screen body in a screen printing mode, a gap exists between adjacent screen bodies, the position of the gap is provided with a line circuit of the screen body, the frame adhesive surrounding each of the screen bodies is provided with a crystal filling hole, the positions of the crystal filling holes of the screen bodies are consistent, the crystal filling holes are positioned at the top edges of the screen bodies, the frame adhesive comprises a screen body frame adhesive and a leak-proof dust isolation frame adhesive, the screen body frame adhesive is arranged surrounding the screen bodies, and the leak-proof dust isolation frame adhesive is connected between the screen body frame adhesives of the adjacent two screen bodies.
Description
Technical field
The present invention relates to a kind of method for making and frame plastic structure thereof of liquid crystal display mask glue, refer to that especially a kind of frame adhesive comprises screen body frame adhesive and leakproof dust-separation frame adhesive, wherein, this screen body frame adhesive ring is located at screen body surrounding, and leakproof dust-separation frame adhesive connects method for making and the frame plastic structure thereof of the frame glue between the screen body frame adhesive of two screen bodies of arbitrary neighborhood in the unit of being expert at.
Background technology
As everyone knows, the physical characteristics of liquid crystal is conducting in the time of energising, arranges become orderly, and light is easily passed through; Fall into disarray when no power, stops light to pass through.Allow liquid crystal as intercepted or allow light penetration as gate.Technically briefly, liquid crystal panel comprised two quite exquisite without soda-lime glass material, be called Substrates, therebetween work one deck liquid crystal.In the time that light beam passes through this layer of liquid crystal, liquid crystal itself can be arranged to stand or reverse and be irregular, thereby intercepts or light beam is passed through smoothly.LCD technology is that liquid crystal is poured between two planes of showing stria.Groove orthogonal (intersecting 90 degree) in these two planes.That is to say, if arrange in the molecule north-south in a plane, the molecule East and West direction in another plane is arranged, and molecule between two planes is compulsorily entered into the state that a kind of 90 degree reverse.Because light is propagated along the orientation of molecule, so also turned round and turn 90 degrees when light passes through liquid crystal.But in the time adding a voltage on liquid crystal, just homeotropic alignment again of molecule, goes out the direct projection of light energy, and any torsion does not occur.LCD relies on polarization light filter (sheet) and light itself.Available light is towards dispersing at random from all directions.The light filter that polarizes is actual is a series of more and more thinner parallel lines.These lines form one and throw the net, blocking-up not with all light of these line parallels.The line of polarization light filter is just in time vertical with first, so can block the light that those have polarized completely.Only have the line of two light filters completely parallel, or light itself be torqued into second polarization light filter match, light is just penetrated.LCDs has the advantages such as high power, high brightness, low energy consumption, and it has been widely used in the field such as display, illumination now.
In the mass production of LCDs, generally first need to establish frame glue at two sheet glass surrounding rings, thereby form a box body structure, then in box body, filling liquid crystal is to complete integral production, but traditional frame glue design is to utilize epoxy resin to be printed on independent rectangular shaped rim around each LCD product, independent existence between frame, do not connect, only, as becoming box effect, be designed to cleavage at frame outward flange.Original this purpose of design is single; effect is independent; but owing to all having gap between arbitrary neighborhood LCD product; so in carrying out irrigation crystal work; often there will be liquid crystal drop to drain to the situation between LCD product; so become subsequent technique after box to product practical operation complexity in traditional production method; need to utilize chemical reagent; the crack that product after irrigation crystal is carried out between surface and two sheet glass repeatedly cleans respectively, remove the liquid crystal of crack between two granule product lines of cut and surperficial surrounding other are dirty.
It is one of main Environmental Problems of facing of China that water pollutes.Along with industrial expansion, the discharge capacity of industrial waste water increases day by day, and the industrial waste water that indivedual factories do not reach emission standard enters after water body, can polluted surface water and underground water.After water body is polluted, not only can make its water quality not meet the standard of potable water, fishery water, also can make chemical objectionable impurities and hardness in underground water increase, affect the utilization of underground water.The water resource of China is not abundant, if occupy for each person runoff computation, is only equivalent to 1/4th of people from world average.And the pollution of surface water and groundwater can reduce for the water resource quantity of utilizing day by day by further making, certainly will affect workers and peasants' fish production, give directly or indirectly people's lives and healthyly bring harm.And the design of traditional frame adhesive, must be through once cleaning, Ge Jia factory utilizes different chemical reagent to go cleaning products on glass because of the residual liquid crystal material of irrigation crystal operation, will certainly produce like this sewage one time, and this is the major defect for conventional art.
Summary of the invention
The invention provides a kind of frame plastic structure of method for making and LCDs of liquid crystal display mask glue, in its technical scheme by be positioned at irrigation crystal mouth hold adjacent two superfine leakproof dust-separation frame adhesive design lines of screen body connect with, this frame glue design, can carry back and avoid irrigation crystal time, liquid crystal pollutes the intrusion of electrode, avoid the dust particle in external environment to enter splicing electrode place simultaneously, electrode is caused to the adverse consequences of electrocorrosion, and this is exactly to be fundamental purpose of the present invention.
The technical solution adopted in the present invention is: a kind of method for making of liquid crystal display mask glue, the stacked upper glass base material lower-glass substrate layer top that is located at is formed to screen body, order is arranged some these screen bodies, make some these screen bodies in same level, transversely arranged some these screen bodies form several rows unit, and some these screen bodies of longitudinal arrangement form some column units.
Adopt the mode of serigraphy that frame adhesive is arranged on to this screen body surrounding, the half tone that adopts serigraphy to use is to utilize photoresists to pass through the printing down of the figure film, needed figure is made on half tone, need to play the silk screen hole of glue part is through hole, but not the silk screen hole of lower glue part is blind hole, in carrying out serigraphy, soft glue by silk-screen machinery and equipment is scraped, utilize extruding, by frame glue material from half tone throughhole portions bat printing to this screen body, from through hole silk screen hole flow out frame glue material form this frame adhesive.
Between this screen body of arbitrary neighborhood, there is gap, this interstitial site place is provided with the line circuit of walking of this screen body, in this frame adhesive of each this screen body surrounding, offer irrigation crystal mouth, the position of this irrigation crystal mouth on each this screen body is consistent, and this irrigation crystal mouth is positioned on the top margin of this screen body.
This frame adhesive comprises screen body frame adhesive and leakproof dust-separation frame adhesive, wherein, this screen body frame adhesive ring is located at this screen body surrounding, this leakproof dust-separation frame adhesive is connected between this screen body frame adhesive of two these screen bodies of arbitrary neighborhood in this row unit, simultaneously, this leakproof dust-separation frame adhesive is arranged in this top, gap of two these screen bodies of this row unit arbitrary neighborhood, and this irrigation crystal mouth on this leakproof dust-separation frame adhesive and this screen body is in same level position.
This leakproof dust-separation frame adhesive comprises narrow portion and wide portion, and wherein, this wide portion is positioned at this leakproof dust-separation frame adhesive middle position, and this narrow portion symmetry is connected to this wide portion both sides.The thickness of this narrow portion is between 0.1 ~ 0.12mm.The thickness of this wide portion is between 0.18 ~ 0.2mm.
A kind of frame plastic structure of LCDs, the stacked lower-glass substrate layer top that is located at of upper glass base material forms screen body, order is arranged some these screen bodies, some these screen bodies are in same level, transversely arranged some these screen bodies form several rows unit, and some these screen bodies of longitudinal arrangement form some column units, and frame adhesive is arranged on this screen body surrounding, between this screen body of arbitrary neighborhood, have gap, this interstitial site place is provided with the line circuit of walking of this screen body.
In this frame adhesive of each this screen body surrounding, offer irrigation crystal mouth, the position of this irrigation crystal mouth on each this screen body is consistent, and this irrigation crystal mouth is positioned on the top margin of this screen body.
This frame adhesive comprises screen body frame adhesive and leakproof dust-separation frame adhesive, wherein, this screen body frame adhesive ring is located at this screen body surrounding, this leakproof dust-separation frame adhesive is connected between this screen body frame adhesive of two these screen bodies of arbitrary neighborhood in this row unit, simultaneously, this leakproof dust-separation frame adhesive is arranged in this top, gap of two these screen bodies of this row unit arbitrary neighborhood, and this irrigation crystal mouth on this leakproof dust-separation frame adhesive and this screen body is in same level position.
Beneficial effect of the present invention is: in the present invention by be positioned at irrigation crystal mouth hold superfine these leakproof dust-separation frame adhesive 70 frame glue design lines of two adjacent these screen body 30 use connect and, this frame glue design, can carry back and avoid irrigation crystal time, liquid crystal pollutes the intrusion of electrode, avoid the dust particle in external environment to enter splicing electrode place simultaneously, electrode is caused to the adverse consequences of electrocorrosion.
Frame glue design of the present invention, can extensively be promoted and be adopted, break the fixing Design Mode of original frame glue, in practical operation, subsequent technique has been played to great optimization function, original technique needs leveling sealing after glass irrigation crystal, then split grain, once clean again, mainly to remove LCD glass because of irrigation crystal overflow liquid crystal material outside with a large amount of chemical reagent, after cleaning, also to carry out the step of moisture oven dry, carrying out afterwards electricity range estimation detects product, detect the product of OK, need to further go secondary cleaning, carry out again the operations such as the paster binding that secondary drying carries out next step, and adopted the product after frame glue of the present invention design, after the operation of leveling sealing, after can directly splitting grain, electricity range estimation detects, reduce once and cleaned, and the clean-out system using, save simultaneously and once clean needed baking box, saved so the large operation of twice, saved greatly production cost.
Brief description of the drawings
Fig. 1 is the structural representation that body is shielded in the present invention.
Fig. 2 is the schematic diagram that the present invention arranges some screen bodies.
Fig. 3 is the position view in gap of the present invention.
Fig. 4 is the structural representation of frame adhesive of the present invention.
Embodiment
As shown in Figures 1 to 4, a kind of method for making of liquid crystal display mask glue, folded upper glass substrate layer 10 lower-glass substrate layer 20 tops that are located at are formed to screen body 30, order is arranged some these screen bodies 30, make some these screen bodies 30 in same level, transversely arranged some these screen bodies 30 form several rows unit 31, and some these screen bodies 30 of longitudinal arrangement form some column units 32.
Adopt the mode of serigraphy that frame adhesive 40 is arranged on to this screen body 30 surroundings, the half tone that adopts serigraphy to use is to utilize photoresists to pass through the printing down of the figure film, needed figure is made on half tone, need to play the silk screen hole of glue part is through hole, but not the silk screen hole of lower glue part is blind hole, in carrying out serigraphy, soft glue by silk-screen machinery and equipment is scraped, utilize extruding, by frame glue material from half tone throughhole portions bat printing to this screen body 30, from through hole silk screen hole flow out frame glue material form this frame adhesive 40.
Between this screen body 30 of arbitrary neighborhood, have gap 50, these 50 positions, gap are provided with the line circuit of walking of this screen body 30, such as, power-on circuit, signal circuit, test circuit etc.
In this frame adhesive 40 of each these screen body 30 surrounding, offer irrigation crystal mouth 41, the position of this irrigation crystal mouth 41 on each this screen body 30 is consistent.
This irrigation crystal mouth 41 is positioned on the top margin of this screen body 30.
This frame adhesive 40 comprises screen body frame adhesive 60 and leakproof dust-separation frame adhesive 70, wherein, these screen body frame adhesive 60 rings are located at this screen body 30 surroundings, and this leakproof dust-separation frame adhesive 70 is connected between this screen body frame adhesive 60 of two these screen bodies 30 of arbitrary neighborhood in this row unit 31.
Meanwhile, this leakproof dust-separation frame adhesive 70 is arranged in these 50 tops, gap of two these screen bodies 30 of these row unit 31 arbitrary neighborhoods.
This irrigation crystal mouth 41 on this leakproof dust-separation frame adhesive 70 and this screen body 30 is in same level position.
In the present invention by be positioned at irrigation crystal mouth hold superfine these leakproof dust-separation frame adhesive 70 frame glue design lines of two adjacent these screen body 30 use connect and, this frame glue design, can carry back and avoid irrigation crystal time, liquid crystal pollutes the intrusion of electrode, avoid the dust particle in external environment to enter splicing electrode place simultaneously, electrode is caused to the adverse consequences of electrocorrosion.
Above-mentioned frame glue design of the present invention, can extensively be promoted and be adopted, break the fixing Design Mode of original frame glue, in practical operation, subsequent technique has been played to great optimization function, original technique needs leveling sealing after glass irrigation crystal, then split grain, once clean again, mainly to remove LCD glass because of irrigation crystal overflow liquid crystal material outside with a large amount of chemical reagent, after cleaning, also to carry out the step of moisture oven dry, carrying out afterwards electricity range estimation detects product, detect the product of OK, need to further go secondary cleaning, carry out again the operations such as the paster binding that secondary drying carries out next step, and adopted the product after frame glue of the present invention design, after the operation of leveling sealing, after can directly splitting grain, electricity range estimation detects, reduce once and cleaned, and the clean-out system using, save simultaneously and once clean needed baking box, saved so the large operation of twice, saved greatly production cost.
This leakproof dust-separation frame adhesive 70 comprises narrow portion 71 and wide portion 72, and wherein, this wide portion 72 is positioned at this leakproof dust-separation frame adhesive 70 middle positions, and these narrow portion 71 symmetries are connected to this wide portion 72 both sides, the overall stepped state of this leakproof dust-separation frame adhesive 70.
In concrete enforcement, the thickness of this narrow portion 71 is between 0.1 ~ 0.12mm, and the thickness of this wide portion 72 is between 0.18 ~ 0.2mm.
The Thickness Design of this narrow portion 71 is between 0.1 ~ 0.12mm, and object is to ensure when preventing that liquid crystal from polluting electrode place, does not affect an effect (after namely completing processing, this screen body 30 being cut to fracture each other, to form independent product) of splitting.The half tone of general LCD industry serigraphy mostly is 120 ~ 180 object silk screens drawings and forms, and 0.1 ~ 0.12mm is that serigraphy can be played glue bottom line, and too thin tree lace design can cause lower glue bad, causing broken string not to have the effect that stops dirt; The Thickness Design of this wide portion 72, between 0.18 ~ 0.2mm, is the actual effect for more convenient lower glue.
In liquid crystal display, use sealing frame glue mainly contain two large classes, a class is the frame glue of ultraviolet curing; Another kind of is the frame glue of heat curing, and what the LCD product of most used is this heat curing frame glue.Used in the present invention is exactly the heat curing frame glue taking XN-5A as representative.XN-5A forms by epoxy resin, catalyzer and catalyzer solvent are mixed.Under normal temperature, the epoxy resin in frame glue is the liquid state of thickness, and catalyzer is dissolved in liquid solvent the inside, and frame glue has certain viscosity when uncured, but along with continuous stirring viscosity can decline within the scope of a journey.The catalyzer solvent of the inside starts volatilization in the time that 80 spend, but will volatilize completely, will be in 105 degree left and right, and this temperature can avoid catalyzer in solvent evaporates process to absorb water; The catalyzer that loses solvent can crystallization become crystal.At this moment it can support the upper and lower base plate that liquid crystal closes, can reduce the space powder of heating in time-frame glue below and deposit the pressure being subject to, be unlikely to allow space powder be stressed and produce deformation set heating to deposit for a long time after softening, thereby change the thick parameter of liquid crystal cell setting.After temperature raises, epoxy resin is under the effect of catalyzer, and high speed polymerization reaction take place, forms glassy solids, and upper lower glass substrate is bonded together.
As shown in Figures 1 to 4, a kind of frame plastic structure of LCDs, folded lower-glass substrate layer 20 tops that are located at of upper glass substrate layer 10 form screen body 30, order is arranged some these screen bodies 30, some these screen bodies 30 are in same level, transversely arranged some these screen bodies 30 form several rows unit 31, and some these screen bodies 30 of longitudinal arrangement form some column units 32.
Frame adhesive 40 is arranged on to this screen body 30 surroundings, between this screen body 30 of arbitrary neighborhood, has gap 50, these 50 positions, gap are provided with the line circuit of walking of this screen body 30, such as, power-on circuit, signal circuit, test circuit etc.
In this frame adhesive 40 of each these screen body 30 surrounding, offer irrigation crystal mouth 41, the position of this irrigation crystal mouth 41 on each this screen body 30 is consistent.
This irrigation crystal mouth 41 is positioned on the top margin of this screen body 30.
This frame adhesive 40 comprises screen body frame adhesive 60 and leakproof dust-separation frame adhesive 70, wherein, these screen body frame adhesive 60 rings are located at this screen body 30 surroundings, and this leakproof dust-separation frame adhesive 70 is connected between this screen body frame adhesive 60 of two these screen bodies 30 of arbitrary neighborhood in this row unit 31.
Meanwhile, this leakproof dust-separation frame adhesive 70 is arranged in these 50 tops, gap of two these screen bodies 30 of these row unit 31 arbitrary neighborhoods.
This irrigation crystal mouth 41 on this leakproof dust-separation frame adhesive 70 and this screen body 30 is in same level position.
This leakproof dust-separation frame adhesive 70 comprises narrow portion 71 and wide portion 72, and wherein, this wide portion 72 is positioned at this leakproof dust-separation frame adhesive 70 middle positions, and these narrow portion 71 symmetries are connected to this wide portion 72 both sides, the overall stepped state of this leakproof dust-separation frame adhesive 70.
In concrete enforcement, the thickness of this narrow portion 71 is between 0.1 ~ ~ 0.12mm, and the thickness of this wide portion 72 is between 0.18 ~ 0.2mm.
Claims (8)
1. the method for making of a liquid crystal display mask glue, it is characterized in that: the stacked upper glass base material lower-glass substrate layer top that is located at is formed to screen body, order is arranged some these screen bodies, make some these screen bodies in same level, transversely arranged some these screen bodies form several rows unit, some these screen bodies of longitudinal arrangement form some column units
Adopt the mode of serigraphy that frame adhesive is arranged on to this screen body surrounding, the half tone that adopts serigraphy to use is to utilize photoresists to pass through the printing down of the figure film, needed figure is made on half tone, need to play the silk screen hole of glue part is through hole, but not the silk screen hole of lower glue part is blind hole, in carrying out serigraphy, soft glue by silk-screen machinery and equipment is scraped, utilize extruding, by frame glue material from half tone throughhole portions bat printing to this screen body, the frame glue material flowing out from through hole silk screen hole forms this frame adhesive
Between this screen body of arbitrary neighborhood, there is gap, this interstitial site place is provided with the line circuit of walking of this screen body, in this frame adhesive of each this screen body surrounding, offers irrigation crystal mouth, and the position of this irrigation crystal mouth on each this screen body is consistent, this irrigation crystal mouth is positioned on the top margin of this screen body
This frame adhesive comprises screen body frame adhesive and leakproof dust-separation frame adhesive, wherein, this screen body frame adhesive ring is located at this screen body surrounding, this leakproof dust-separation frame adhesive is connected between this screen body frame adhesive of two these screen bodies of arbitrary neighborhood in this row unit, simultaneously, this leakproof dust-separation frame adhesive is arranged in this top, gap of two these screen bodies of this row unit arbitrary neighborhood, and this irrigation crystal mouth on this leakproof dust-separation frame adhesive and this screen body is in same level position.
2. the method for making of a kind of liquid crystal display mask glue as claimed in claim 1, it is characterized in that: this leakproof dust-separation frame adhesive comprises narrow portion and wide portion, wherein, this wide portion is positioned at this leakproof dust-separation frame adhesive middle position, and this narrow portion symmetry is connected to this wide portion both sides.
3. the method for making of a kind of liquid crystal display mask glue as claimed in claim 2, is characterized in that: the thickness of this narrow portion is between 0.1 ~ 0.12mm.
4. the method for making of a kind of liquid crystal display mask glue as claimed in claim 2, is characterized in that: the thickness of this wide portion is between 0.18 ~ 0.2mm.
5. the frame plastic structure of a LCDs, it is characterized in that: the stacked lower-glass substrate layer top that is located at of upper glass base material forms screen body, order is arranged some these screen bodies, some these screen bodies are in same level, and transversely arranged some these screen bodies form several rows unit, and some these screen bodies of longitudinal arrangement form some column units, frame adhesive is arranged on this screen body surrounding, between this screen body of arbitrary neighborhood, have gap, this interstitial site place is provided with the line circuit of walking of this screen body
In this frame adhesive of each this screen body surrounding, offer irrigation crystal mouth, the position of this irrigation crystal mouth on each this screen body is consistent, and this irrigation crystal mouth is positioned on the top margin of this screen body,
This frame adhesive comprises screen body frame adhesive and leakproof dust-separation frame adhesive, wherein, this screen body frame adhesive ring is located at this screen body surrounding, this leakproof dust-separation frame adhesive is connected between this screen body frame adhesive of two these screen bodies of arbitrary neighborhood in this row unit, simultaneously, this leakproof dust-separation frame adhesive is arranged in this top, gap of two these screen bodies of this row unit arbitrary neighborhood, and this irrigation crystal mouth on this leakproof dust-separation frame adhesive and this screen body is in same level position.
6. the frame plastic structure of a kind of LCDs as claimed in claim 5, is characterized in that: this leakproof dust-separation frame adhesive comprises narrow portion and wide portion, and wherein, this wide portion is positioned at this leakproof dust-separation frame adhesive middle position, and this narrow portion symmetry is connected to this wide portion both sides.
7. the frame plastic structure of a kind of LCDs as claimed in claim 6, is characterized in that: the thickness of this narrow portion is between 0.1 ~ 0.12mm.
8. the frame plastic structure of a kind of LCDs as claimed in claim 6, is characterized in that: the thickness of this wide portion is between 0.18 ~ 0.2mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410254041.3A CN104007583A (en) | 2014-06-10 | 2014-06-10 | Liquid crystal display screen frame adhesive making method and liquid crystal display screen frame adhesive structure |
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| CN201410254041.3A CN104007583A (en) | 2014-06-10 | 2014-06-10 | Liquid crystal display screen frame adhesive making method and liquid crystal display screen frame adhesive structure |
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| CN104007583A true CN104007583A (en) | 2014-08-27 |
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| CN201410254041.3A Pending CN104007583A (en) | 2014-06-10 | 2014-06-10 | Liquid crystal display screen frame adhesive making method and liquid crystal display screen frame adhesive structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031802A (en) * | 2018-07-27 | 2018-12-18 | 武汉华星光电技术有限公司 | A kind of abnormity display screen glue sealing method |
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| JP2004354726A (en) * | 2003-05-29 | 2004-12-16 | Optrex Corp | Manufacturing method of liquid crystal display panel, and liquid crystal display panel |
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| CN203950101U (en) * | 2014-06-10 | 2014-11-19 | 好威电子(深圳)有限公司 | A kind of frame plastic structure of LCDs |
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2014
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| JPH03245124A (en) * | 1990-02-23 | 1991-10-31 | Sanyo Electric Co Ltd | Liquid crystal display device |
| JP2000314895A (en) * | 1999-04-28 | 2000-11-14 | Citizen Watch Co Ltd | Liquid crystal display device, and production of liquid crystal display device |
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Application publication date: 20140827 |
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