CN202854458U - Liquid crystal display (LCD) screen orientation layer processing device and LCD screen and LCD - Google Patents
Liquid crystal display (LCD) screen orientation layer processing device and LCD screen and LCD Download PDFInfo
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- CN202854458U CN202854458U CN 201220379500 CN201220379500U CN202854458U CN 202854458 U CN202854458 U CN 202854458U CN 201220379500 CN201220379500 CN 201220379500 CN 201220379500 U CN201220379500 U CN 201220379500U CN 202854458 U CN202854458 U CN 202854458U
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Abstract
The utility model discloses a liquid crystal display (LCD) screen orientation layer processing device which at least comprises a pressing body, a shifting unit and a support table. More than one pressing protrusion is arranged on the pressing body so as to enable a surface to be pressed to form more than one groove. The pressing body is in a plate shape or in a cylinder shape. The pressing body is connected with a pressure unit which controls the pressing body to be uplifted from the bottom or to press downward. The utility model further discloses an LCD screen which at least comprises an upper substrate, a lower substrate and liquid crystal molecules, wherein the liquid crystal molecules are filled between the upper substrate and the lower substrate, orientation layers of the upper substrate and/or the lower substrate are manufactured by the LCD screen orientation layer processing device, each substrate is a thin film substrate or a glass substrate, the thin film substrate is made of polyethylene terephthalate or polycarbonate, and orientation agents are polyvinyl alcohol or polyimide. The utility model further discloses an LCD which at least comprises the LCD screen.
Description
Technical field
The utility model relates to a kind of LCDs oriented layer processing unit (plant), LCDs and liquid crystal display.
Background technology
Lcd technology has been applied on the various liquid crystal display terminal equipment such as LCD TV, liquid crystal display, panel computer and mobile phone, and the liquid crystal aligning technology is to play an important role inside the lcd technology.The liquid crystal aligning technology can allow the liquid crystal molecule of substrate surface form neat arrangement, makes liquid crystal molecule have enough stability, shows the state of long-range order in macroscopic view.
The liquid crystal aligning technology mainly is the friction orientation technology that is widely used in now field of liquid crystal display.The friction orientation technology that is widely used at present field of liquid crystal display is by the certain orientation liquid crystal orientation film that rubs with materials such as fiber or nylon, the film surface situation is changed, theoretical according to groove, can produce the anchorage force effect to liquid crystal like this, make the neat arrangement of liquid crystal molecule, reach the purpose of orientation.
Utility model people finds that existing friction process exists friction force inequality, friction cloth and changes the easily depilation problems such as the irregular and efficient of gained groove is low that pollute, rub of frequent, friction cloth, and especially the problems referred to above are even more serious when substrate is film.
The utility model content
In order to overcome above-mentioned defective, the utility model provides that a kind of gained groove shape is neat, the uniform LCDs oriented layer of degree of depth processing unit (plant).
For achieving the above object, on the one hand, the utility model provides a kind of LCDs oriented layer processing unit (plant), and described device comprises a pressing body at least, is provided with one or more the projection of pressing at described pressing body, so that the face of being pressed forms the groove of one or more.
Particularly, described device also comprises shift unit and places the brace table of substrate that described shift unit is connected on the described pressing body or is positioned on the described brace table.
Particularly, described pressing body is tabular or cylindric; When pressing body when being cylindric, the described axially parallel of pressing projection and described pressing body, the place is provided with back shaft in described pressing body axial location.
Further, the each displacement of described tabular pressing body is 2 microns to 10 microns.
Particularly, the material of pressing projection is polyethylene terephthalate or polycarbonate, and two tip surface spacings of pressing projection are 40 microns to 60 microns; The angle of tip surface is 40 ° to 60 °.
Particularly, described pressing body is connected with pressure unit; Described pressing body lifts or presses down under the control of pressure unit.
Further, described pressure unit is roller, many messenger wires or a plurality of pressing lever; Described roller can roll at tabular pressing body; Described messenger wire one end is connected on the described pressing body other end connection bracket; Described pressing lever at one end is connected on the described pressing body, other end connection bracket.
Further, the weight of described roller be 50 the gram to 300 the gram, translational speed is 10 mm/second to 50 mm/second.
On the other hand, the utility model provides a kind of LCDs, described LCDs comprises upper substrate, infrabasal plate and is filled in liquid crystal molecule between described upper substrate and the infrabasal plate that the oriented layer of described upper substrate and/or described infrabasal plate is made by above-mentioned arbitrary LCDs oriented layer processing unit (plant) at least; Described substrate is film substrate or glass substrate, and the material of film substrate is polyethylene terephthalate or polycarbonate; Described alignment agent is polyvinyl alcohol (PVA) or polyimide.
On the one hand, the utility model provides a kind of liquid crystal display again, and described liquid crystal display comprises above-mentioned LCDs at least.
The utility model LCDs oriented layer processing unit (plant) is provided with one or more the projection of pressing at pressing body, utilizes this to press tip surface on the projection and presses in oriented layer and obtain groove, and rational in infrastructure, easy to use, the gained groove is respond well, and efficient is high.Use the LCDs oriented layer job operation of apparatus of the present invention to use tip surface to press oriented layer formation groove, replaced existing friction orientation layer and formed groove.What contact with oriented layer is a straight rib because press projection, so the groove shape that obtains is neat, the degree of depth is even; Press projection and can select the material that hardness is higher, clean, solved problems such as changing frequently, bring into pollution.The efficient that forms groove is higher, the orientation better effects if of gained groove.
The upper substrate that the utility model LCDs is used and/or the oriented layer of described infrabasal plate are made by above-mentioned arbitrary LCDs oriented layer processing unit (plant), and groove is neat, and the liquid crystal molecule ordering is good.The utility model kind liquid crystal display is used above-mentioned LCDs, and display effect is good.
Description of drawings
Fig. 1 is the schematic flow sheet of the utility model LCDs oriented layer job operation.
Fig. 2 is the utility model LCDs oriented layer processing unit (plant) the first preferred embodiment structural representation.
Fig. 3 is the utility model LCDs oriented layer processing unit (plant) the second preferred embodiment structural representation.
Fig. 4 is the utility model LCDs oriented layer processing unit (plant) the 3rd preferred embodiment structural representation.
Fig. 5 is the utility model LCDs oriented layer processing unit (plant) the 4th preferred embodiment structural representation.
Fig. 6 is the utility model LCDs oriented layer processing unit (plant) the 5th preferred embodiment structural representation.
Embodiment
Below in conjunction with Figure of description and embodiment the utility model is described in detail.
The utility model LCDs oriented layer job operation forms groove for press oriented layer with tip surface, reaches the effect of orientation.Tip surface refers to the rib of the straight line shape that two Plane intersects form herein, and the length of this rib is not limit, and can come as required to determine.Also do not do concrete restriction and press distance between the degree of depth, width, groove of the groove of formation etc., can decide according to the requirement of oriented layer.
Use the tip surface mode of pressing to replace existing friction mode and form groove in oriented layer.What contact with oriented layer is a straight rib because press projection, so the groove shape that obtains is neat, the degree of depth is even, has solved the uneven and irregular problem of gained groove that rubs of friction force in the existing method; Press projection and can select the material that hardness is higher, clean, solved the problem frequent, that bring pollution into of changing.The efficient that the method forms groove is higher, the orientation better effects if of gained groove.
As shown in Figure 1, the method comprises the steps: that at least 1. apply alignment agent at substrate, and used alignment agent is polyvinyl alcohol (PVA) or polyimide.2. dry the processing obtains oriented layer.3. use tip surface to press oriented layer, form groove in oriented layer.
When employed many tip surfaces are enough to cover whole oriented layer, once press and to finish the work.When being not enough to cover whole oriented layer, can come repeated presses by mobile tip surface or moving substrate, until be covered with groove on the oriented layer.
In order to realize said method, the utility model LCDs oriented layer processing unit (plant) comprises a pressing body at least, is provided with one or more the projection of pressing at pressing body, so that the face of being pressed forms the groove of one or more.Press for every and all be provided with a tip surface on the projection, tip surface is pressed the face of being pressed such as oriented layer and is obtained groove, has realized the effect of orientation.
Convenient and efficient for the use that makes this oriented layer processing unit (plant), this device also comprises shift unit and places the brace table of substrate.Shift unit is connected on the pressing body or is positioned on the brace table, comes whole oriented layer pressed by mobile pressing body or brace table to obtain groove when tip surface is not enough to cover whole oriented layer.
The concrete shape of pressing body is not limit, and preferably is shaped as tabular or cylindric.When pressing body when being cylindric, press the axially parallel of projection and pressing body, the place is provided with back shaft in the pressing body axial location.Press the outside that projection is distributed in pressing body for many even, straightly, can make many tip surfaces of pressing projection consistently by being pressed on the oriented layer by the rotary push body, form the groove that needs.Axial location at pressing body arranges back shaft, and pressing body can rotate around back shaft.
When pressing body when being tabular, be provided with at least one on the pressing body and press projection.Many to press projection parallel between mutually, and the height of pressing projection is all identical with cross sectional shape, and this moment, tip surface all was positioned at same plane, can obtain the consistent groove of many marshallings, the degree of depth and width when pressing oriented layer.
When tabular pressing body press insufficient area when covering whole oriented layer, can move tabular pressing body or substrate by displacement unit, press to realize processing to the groove of whole oriented layer by piecemeal.Concrete moving direction and displacement are not construed as limiting, and wherein, the each mobile distance of tabular pressing body is preferably 2 microns to 10 microns.
Press projection and be the vitals in the utility model LCDs oriented layer processing unit (plant), require to have certain hardness and plasticity is good, can form the shape that needs, and still can not be out of shape after repeatedly pressing.The material of pressing projection is preferably polyethylene terephthalate or polycarbonate, and two tip surface spacings of pressing projection are preferably 40 microns to 60 microns; The angle of tip surface is preferably 40 ° to 60 °.
Pressing body is pressed groove in oriented layer can make the deadweight that utilizes pressing body, also can be by external force the tip surface on the pressing body to be pressed into oriented layer.When needs used external force, pressing body Bonding pressure unit lifted or presses down under the control of pressure unit.
The concrete form of pressure unit is not limit, and can reach the effect of lifting or press down pressing body and get final product.The preferred structure of pressure unit is roller, many messenger wires or a plurality of pressing lever.Roller is an object that can roll at tabular pressing body, and the weight by roller provides the external force of pressing, and obtains groove.The weight of roller and translational speed are decided according to the concrete condition of processing oriented layer, preferred weight be 50 grams to 300 grams, preferred translational speed is 10 mm/second to 50 mm/second.
The using method of messenger wire is that an end is connected on the pressing body, and the other end is connected on the support.This moment, pressing body mostly was a plate-shaped body that weight is larger, can form groove in oriented layer by its deadweight.After the processing in the processing of finishing a monoblock substrate oriented layer or an oriented layer zone, need to use messenger wire with the pressing body pull-up, carry out the replacing of substrate or the displacement of pressing position.
The using method of pressing lever at one end is connected on the pressing body, other end connection bracket.When pressing, the effect of pressing lever is that a plurality of somes place on tabular pressing body exerts pressure, and makes pressing body whole stressed and then obtain groove in oriented layer.After pressing end, the effect of pressing lever is that pressing body is lifted, and carries out the replacing of substrate or the displacement of pressing position.
The utility model LCDs comprises that at least upper substrate, infrabasal plate and filling state the liquid crystal molecule between upper substrate and the infrabasal plate, and the oriented layer of upper substrate and/or infrabasal plate is made by LCDs oriented layer processing unit (plant); Substrate is film substrate or glass substrate, and the material of film substrate is polyethylene terephthalate or polycarbonate; Alignment agent is polyvinyl alcohol (PVA) or polyimide.The utility model liquid crystal display comprises above-mentioned LCDs at least.
Preferred embodiment one: as shown in Figure 2, the utility model LCDs oriented layer processing unit (plant) comprises the brace table 10 of a tabular pressing body 1 and placing glass substrate 4.Be provided with 50000 at tabular pressing body 1 and press projection 2, press on the projection 2 for every and all be provided with a tip surface 3.All projections 2 of pressing are parallel between mutually, and the height of pressing projection 2 is identical, and the cross section is triangle.The material of pressing projection 2 is preferably polyethylene terephthalate, two adjacent tip surface 3 spacings are 40 microns, the angle of each tip surface 3 is 40 °, and this moment, tip surface 3 all was positioned at same plane, can obtain the consistent groove of many marshallings, the degree of depth and width when pressing oriented layer 5.
The glass substrate 4 that select this moment is less, and tip surface is enough to cover whole oriented layer.But the pressing body at tip surface place is lighter, and adding roller 6 increases pressure.Used roller 6 is right cylinders.The weight of roller 6 is 100 grams, and translational speed is 20 mm/second.
The step of pressing groove is: use infusion method coating polyethylene alcohol as alignment agent at glass substrate 4, be placed in 60 ° the drying box and carry out drying processing, the time is 1 hour, obtains oriented layer 5.
Using pressing body in this preferred embodiment is that small-sized substrate is pressed the formation groove once, rational in infrastructure, easy to use, and the groove of formation is neat and the degree of depth is consistent with width, pollution-free, and efficient is high.
Preferred embodiment two: as shown in Figure 3, the utility model LCDs oriented layer processing unit (plant) comprises a tabular pressing body 1, places the brace table 10 and the support 7 that is connected pressing body of polyethylene terephthalate thin film substrate 4.Be provided with 30000 at tabular pressing body 1 and press projection 2, press on the projection 2 for every and all be provided with a tip surface 3.All projections 2 of pressing are parallel between mutually, and the height of pressing projection 2 is identical, and the cross section is triangle.The material of pressing projection 2 is preferably polyethylene terephthalate, two adjacent tip surface 3 spacings are 60 microns, the angle of each tip surface 3 is 55 °, and this moment, tip surface 3 all was positioned at same plane, can obtain the consistent groove of many marshallings, the degree of depth and width when pressing oriented layer 5.
The polyethylene terephthalate thin film substrate 4 that select this moment is larger, and tip surface is not enough to cover whole oriented layer, presses to prepare groove with needing subregion.Used pressing body weight is larger, utilizes deadweight to press and obtains groove.In order to form groove in the gamut of oriented layer 5, support 7 is arranged on the moving guide rail 8, and support 7 can move along guide rail 8 with pressing body 1.Connect the folding and unfolding of runner 72 control messenger wires 71 between support 7 and the pressing body 1 by messenger wire 71.Tightening up messenger wire 71 can lift pressing body 1, loosens the surface that messenger wire 71 rear pressing bodies 1 can drop on oriented layer.
The step of pressing groove is: coating polyimide is placed on and carries out drying in 60 ° the drying box and process as alignment agent on polyethylene terephthalate thin film substrate 4, and the time is 1 hour, obtains oriented layer 5.
Come to press the formation groove for the larger substrate of area by mobile pressing body in this preferred embodiment, can press the substrate of any area, rational in infrastructure, easy to use, the groove of formation is effective, and is pollution-free.
Preferred embodiment three: as shown in Figure 4, the utility model LCDs oriented layer processing unit (plant) comprises a tabular pressing body 1, places the brace table 10 and the support 7 that is connected pressing body of polycarbonate film substrate 4.Be provided with 45000 at tabular pressing body 1 and press projection 2, press on the projection 2 for every and all be provided with a tip surface 3.All projections 2 of pressing are parallel between mutually, and the height of pressing projection 2 is identical, and the cross section is triangle.The material of pressing projection 2 is preferably polycarbonate, two adjacent tip surface 3 spacings are 50 microns, the angle of each tip surface 3 is 50 °, and this moment, tip surface 3 all was positioned at same plane, can obtain the consistent groove of many marshallings, the degree of depth and width when pressing oriented layer 5.
The polycarbonate film substrate 4 that select this moment is larger, and tip surface is not enough to cover whole oriented layer, presses to prepare groove with needing subregion.Used pressing body 1 weight is lighter, for the groove that can obtain pressing need to apply external force.The mechanism that applies external force is 6 press rods 75, and press rods 75 is hydraulic means, and an end of press rods 75 is connected on the support 7, on the symmetrical pressing body 1 that connects of the other end.
In order in the gamut of oriented layer, to form groove, be provided with moving guide rail 9 on the support 7, press rods 75 can be moved along guide rail 9 with pressing body 1.
The step of pressing groove is: coating polyimide is placed on and carries out drying in 60 ° the drying box and process as alignment agent on polycarbonate film substrate 4, and the time is 1 hour, obtains oriented layer 5.
Come to provide for pressing body the position of pressure and mobile pressing body in this preferred embodiment with the hydraulic pressure bar, the strength that applies is stablized controlled, and displacement is accurate, guarantees that oriented layer spreads all over groove on the substrate.Rational in infrastructure, easy to use, the groove of formation is effective, and is pollution-free.
Preferred embodiment four: as shown in Figure 5, the utility model LCDs oriented layer processing unit (plant) comprises a tabular pressing body 1.Be provided with 53000 at tabular pressing body 1 and press projection 2, press on the projection 2 for every and all be provided with a tip surface 3.All projections 2 of pressing are parallel between mutually, and the height of pressing projection 2 is identical, and the cross section is triangle.The material of pressing projection 2 is preferably polyethylene terephthalate, two adjacent tip surface 3 spacings are 40 microns, the angle of each tip surface 3 is 40 °, and this moment, tip surface 3 all was positioned at same plane, can obtain the consistent groove of many marshallings, the degree of depth and width when pressing oriented layer 5.
The glass substrate 4 that select this moment is less, and tip surface is enough to cover whole oriented layer.The pressing body 1 at tip surface place is heavier, relies on deadweight to press in oriented layer and obtains groove.
The step of pressing groove is: use infusion method coating polyethylene alcohol as alignment agent at glass substrate 4, be placed in 60 ° the drying box and carry out drying processing, the time is 1 hour, obtains oriented layer 5.Pressing body 1 is covered on the substrate 4, and pressing body 1 is with pressing projection 2 one side towards oriented layer 5.Utilize certainly focusing on the oriented layer 5 of pressing body 1 to form groove.
Using pressing body in this preferred embodiment is that small-sized substrate is pressed the formation groove once, rational in infrastructure, easy to use, and the groove of formation is neat and the degree of depth is consistent with width, pollution-free, and efficient is high.
Preferred embodiment five: as shown in Figure 6, the utility model LCDs oriented layer processing unit (plant) comprises a cylindric pressing body 1.Be provided with 21000 at the periphery of cylindric pressing body 1 and press projection 2, press on the projection 2 for every and all be provided with a tip surface 3.All projections 2 of pressing are parallel between mutually, and the height of pressing projection 2 is identical, and the cross section is triangle.The material of pressing projection 2 is preferably polyethylene terephthalate, and two adjacent tip surface 3 spacings are 40 microns, and the angle of each tip surface 3 is 40 °.Can obtain the consistent groove of many marshallings, the degree of depth and width when pressing oriented layer 5.
The step of pressing groove is: use infusion method coating polyethylene alcohol as alignment agent at glass substrate 4, be placed in 60 ° the drying box and carry out drying processing, the time is 1 hour, obtains oriented layer 5.Pressing body 1 is placed on a lateral location of substrate 4, makes cylindric pressing body 1 roll along the surface of substrate 4, utilize certainly focusing on the oriented layer 5 of pressing body 1 to form groove.
The pressing body that uses in this preferred embodiment is cylindric, and volume is little, saves parking space.It is consistent to press convex shape, and formed groove is neat and the degree of depth is consistent with width, pollution-free, and efficient is high.
More than; it only is preferred embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (10)
1. a LCDs oriented layer processing unit (plant) is characterized in that described device comprises a pressing body at least, is provided with one or more the projection of pressing at described pressing body, so that the face of being pressed forms the groove of one or more.
2. LCDs oriented layer processing unit (plant) according to claim 1 is characterized in that, described device also comprises shift unit and place the brace table of substrate that described shift unit is connected on the described pressing body or is positioned on the described brace table.
3. LCDs oriented layer processing unit (plant) according to claim 1 is characterized in that, described pressing body is tabular or cylindric; When pressing body when being cylindric, the described axially parallel of pressing projection and described pressing body, the place is provided with back shaft in described pressing body axial location.
4. LCDs oriented layer processing unit (plant) according to claim 3 is characterized in that, the each displacement of described tabular pressing body is 2 microns to 10 microns.
5. LCDs oriented layer processing unit (plant) according to claim 1 is characterized in that, the material of pressing projection is polyethylene terephthalate or polycarbonate, and two tip surface spacings of pressing projection are 40 microns to 60 microns; The angle of tip surface is 40 ° to 60 °.
6. LCDs oriented layer processing unit (plant) according to claim 1 is characterized in that described pressing body is connected with pressure unit; Described pressing body lifts or presses down under the control of pressure unit.
7. LCDs oriented layer processing unit (plant) according to claim 6 is characterized in that, described pressure unit is roller, many messenger wires or a plurality of pressing lever; Described roller can roll at tabular pressing body; Described messenger wire one end is connected on the described pressing body other end connection bracket; Described pressing lever at one end is connected on the described pressing body, other end connection bracket.
8. LCDs oriented layer processing unit (plant) according to claim 7 is characterized in that, the weight of described roller be 50 the gram to 300 the gram, translational speed is 10 mm/second to 50 mm/second.
9. LCDs, described LCDs comprises upper substrate, infrabasal plate and is filled in liquid crystal molecule between described upper substrate and the infrabasal plate that it is characterized in that: the oriented layer of described upper substrate and/or described infrabasal plate is made by the arbitrary described LCDs oriented layer processing unit (plant) of claim 1 to 8 at least; Described substrate is film substrate or glass substrate, and the material of film substrate is polyethylene terephthalate or polycarbonate; Alignment agent is polyvinyl alcohol (PVA) or polyimide.
10. liquid crystal display, it is characterized in that: described liquid crystal display comprises LCDs as claimed in claim 9 at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220379500 CN202854458U (en) | 2012-07-31 | 2012-07-31 | Liquid crystal display (LCD) screen orientation layer processing device and LCD screen and LCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220379500 CN202854458U (en) | 2012-07-31 | 2012-07-31 | Liquid crystal display (LCD) screen orientation layer processing device and LCD screen and LCD |
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| Publication Number | Publication Date |
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| CN202854458U true CN202854458U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220379500 Expired - Fee Related CN202854458U (en) | 2012-07-31 | 2012-07-31 | Liquid crystal display (LCD) screen orientation layer processing device and LCD screen and LCD |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768441A (en) * | 2012-07-31 | 2012-11-07 | 青岛海信电器股份有限公司 | Method and device for processing orientation layer of liquid crystal display |
-
2012
- 2012-07-31 CN CN 201220379500 patent/CN202854458U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768441A (en) * | 2012-07-31 | 2012-11-07 | 青岛海信电器股份有限公司 | Method and device for processing orientation layer of liquid crystal display |
| CN102768441B (en) * | 2012-07-31 | 2015-07-01 | 青岛海信电器股份有限公司 | Method and device for processing orientation layer of liquid crystal display |
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Granted publication date: 20130403 Termination date: 20190731 |