CN205193398U - LCD of double -deck TN mode - Google Patents
LCD of double -deck TN mode Download PDFInfo
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- CN205193398U CN205193398U CN201520910824.2U CN201520910824U CN205193398U CN 205193398 U CN205193398 U CN 205193398U CN 201520910824 U CN201520910824 U CN 201520910824U CN 205193398 U CN205193398 U CN 205193398U
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Abstract
The utility model relates to a LCD of double -deck TN mode, the polarizing on that sets up including top -down, go up liquid crystal cell, liquid crystal cell and polaroid down, go up the liquid crystal cell and the liquid crystal cell structure is the same down, the last glass substrate that sets up by top -down respectively, go up PI orientation layer, liquid crystal layer, down PI orientation layer and down glass substrate constitutes, wherein the liquid crystal layer seals under and the PI between oriented layer oriented layer of last PI by frame glue, the liquid crystal layer is distortion nematic, optical path difference DELTA nd=450~550nm, go up the liquid crystal cell and paste through black viscidity printing ink between the liquid crystal cell down. The utility model discloses a double -deck TN mode LCD's laminating realizes that a LCD has good contrast under various visual angles together to realize through the individual drive to 2 upper and lower liquid crystal cells that many contents show, adopt the laminating of black viscidity printing ink between 2 upper and lower liquid crystal cells, its simple process, thickness is little, and the working property is reliable.
Description
Technical field
The utility model relates to LCD Technology field, particularly relates to a kind of liquid crystal display of double-deck TN pattern.
Background technology
In recent years, liquid crystal display because the feature such as volume is little, lightweight, low in energy consumption know well by increasing people, its modal pattern is TN pattern.Although TN mode LCD exists shortcomings such as driving way is low, narrow viewing angle, visual angle is single, displaying contents is few, but its price is the most cheap under same size, therefore TNLCD is widely used in multiple field such as industrial instruments, family life.
Summary of the invention
The utility model provides a kind of liquid crystal display of double-deck TN pattern, and realize same LCD by the laminating of double-deck TN mode LCD has good contrast under various visual angles, and by realizing the display of many contents to the drive of upper and lower 2 liquid crystal cells; Adopt dark viscous ink to fit between upper and lower 2 liquid crystal cells, its technique is simple, and thickness is little, reliable working performance.
In order to achieve the above object, the utility model realizes by the following technical solutions:
A liquid crystal display for double-deck TN pattern, comprises the upper polaroid arranged, upper liquid crystal cell, lower liquid crystal cell and lower polaroid from top to bottom; Upper liquid crystal cell is identical with lower liquid crystal cell structure, is made up of respectively the top glass substrate arranged from top to bottom, upper PI oriented layer, liquid crystal layer, lower PI oriented layer and lower glass substrate, and wherein liquid crystal layer is enclosed between upper PI oriented layer and lower PI oriented layer by frame adhesive; Liquid crystal layer is twisted nematic, optical path difference Δ nd=450 ~ 550nm; Pasted by dark viscous ink between upper liquid crystal cell and lower liquid crystal cell.
Described top glass substrate, lower glass substrate adopt ITO electropane material, and its thickness range is 0.4mm ~ 1.1mm, and sheet resistance scope is 60 Ω/ ~ 120 Ω/.
Described liquid crystal layer is made up of wadding and liquid crystal, and wadding size is 5.5 μm ~ 6.0 μm, is every square millimeter 40 ~ 100 is uniformly distributed with density range, is around filled by liquid crystal.
Process black viscosity ink between described upper liquid crystal cell and lower liquid crystal cell, thickness is 8 ~ 12um.
Described upper polaroid and lower polaroid are the high-polarization polaroid that degree of polarization is greater than 99%.
Compared with prior art, the beneficial effects of the utility model are:
1) complementary design is carried out in friction and direction of twist by adjusting upper liquid crystal cell and lower liquid crystal cell respectively, makes 2 liquid crystal cell visual angle corresponding complementary, thus reaches integral product all directions visual angle and have a good contrast, realizes the display of full visual angle;
2) by driving respectively upper liquid crystal cell and lower liquid crystal cell, achieve in a viewing area, the object of display 2 TN.LCD contents;
3) technique is unique, adopts dark viscous ink to fit, the general frame adhesive of shape size, the about 10um of thickness, neither affect outward appearance and have higher reliability simultaneously between upper and lower 2 liquid crystal cells.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of up/down liquid crystal cell described in the utility model.
Fig. 3 is the principle schematic of general T N mode LCD.
Fig. 4 is principle schematic of the present utility model.
In figure: 1. to go up on polaroid 2. PI oriented layer 8. liquid crystal layer 9. frame adhesive 10. wadding 11. lower glass substrate 12. times PI oriented layer 13. liquid crystal in liquid crystal cell 3. dark viscous ink 4. times liquid crystal cells 5. times polaroid 6. top glass substrate 7.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
Seeing Fig. 1-Fig. 2, is structural representation of the present utility model.The liquid crystal display of a kind of double-deck TN pattern of the utility model, is characterized in that, comprises the upper polaroid 1, upper liquid crystal cell 2, lower liquid crystal cell 4 and the lower polaroid 5 that arrange from top to bottom; Upper liquid crystal cell 2 is identical with lower liquid crystal cell 4 structure, be made up of the top glass substrate 6 arranged from top to bottom, upper PI oriented layer 7, liquid crystal layer 8, lower PI oriented layer 12 and lower glass substrate 11 respectively, wherein liquid crystal layer 8 is enclosed between upper PI oriented layer 7 and lower PI oriented layer 12 by frame adhesive 9; Liquid crystal layer 8 is twisted nematic, optical path difference Δ nd=450 ~ 550nm; Pasted by dark viscous ink 3 between upper liquid crystal cell 2 and lower liquid crystal cell 4.
Described top glass substrate 6, lower glass substrate 11 adopt ITO electropane material, and its thickness range is 0.4mm ~ 1.1mm, and sheet resistance scope is 60 Ω/ ~ 120 Ω/.
Described liquid crystal layer 8 is made up of wadding 10 and liquid crystal 13, and wadding 10 size is 5.5 μm ~ 6.0 μm, is every square millimeter 40 ~ 100 is uniformly distributed with density range, is around filled by liquid crystal 13.
Process black viscosity ink 3 between described upper liquid crystal cell 2 and lower liquid crystal cell 4, thickness is 8 ~ 12um.
Described upper polaroid 1 and lower polaroid 5 are greater than the high-polarization polaroid of 99% for degree of polarization.
The manufacturing process of the liquid crystal display of a kind of double-deck TN pattern described in the utility model is as follows:
1) manufacture method of upper liquid crystal cell 2, lower liquid crystal cell 4 is substantially identical, and top glass substrate 6, lower glass substrate 11 adopt ITO electropane material, and its thickness range is 0.4mm ~ 1.1mm, and sheet resistance scope is 60 Ω/ ~ 120 Ω/;
2) PI alignment agent is coated with in the top glass substrate 6 of 2 liquid crystal cells 2,4 with the ITO side of lower glass substrate 11 respectively, adopt the PI condition of cure of 250 ~ 270 DEG C, with friction flannelette with the angle friction of regulation, make PI oriented layer 7,12 form groove, and liquid crystal cell 2 is parallel to each other with the frictional direction of lower liquid crystal cell 4 or vertical;
3) within 5.0s ~ 5.5s time, at the wadding 10 of the top glass substrate 6 surface spray diameter range 5.5 μm ~ 6.0 μm of 2 liquid crystal cells 2,4, make wadding 10 be every square millimeter 40 ~ 100 with density and be uniformly distributed; Be coated with frame adhesive 9 and stay liquid crystal filling mouth; Use epoxide-resin glue as binder, accurately laminating top glass substrate 6 and lower glass substrate 11, liquid crystal cell 2 and lower liquid crystal cell 4 in formation, the thickness of liquid crystal cell 2,4 is determined by the size of wadding 10, surrounding's filling liquid crystal 13 of wadding 10; The optical path difference of liquid crystal cell 2,4 controls between Δ nd=450 ~ 550nm, and its size is the refractive anisotrop Δ n of liquid crystal molecule and the product of the thick d of liquid crystal cell box;
4) process black viscosity ink 3 between liquid crystal cell 2 and lower liquid crystal cell 4 on, thickness is 8 ~ 12um;
5) the high-polarization polaroid that degree of polarization of fitting respectively on lower glass substrate 11 surface of top glass substrate 6 surface of upper liquid crystal cell 2, lower liquid crystal cell 4 is greater than 99%.
In order to more clearly describe implementation of the present utility model, first the ultimate principle of general T N-LCD is once illustrated.The principle of general T N-LCD as shown in Figure 3.The linearly polarized light of horizontal direction is become when powering state light is not at the polaroid by a light transmission shaft level, by utilizing the dazzle characteristic of liquid crystal molecule when liquid crystal cell, the direction of light is changed into vertically by level, vertically spread out of through during the back of the body polaroid that light transmission shaft is vertical, now do not show.
Powering state light at the polaroid by a light transmission shaft level time become the linearly polarized light of horizontal direction, by liquid crystal molecule when liquid crystal cell because E-field normal loses dazzle characteristic in glass surface arrangement, light is still propagated in the horizontal direction, through orthogonal both during the back of the body polaroid that light transmission shaft is vertical, cannot blaze abroad, now have display.
And the ultimate principle of the liquid crystal display of double-deck TN pattern described in the utility model as shown in Figure 4, at 2 liquid crystal cells 2,4 not powering states, light becomes the linearly polarized light of horizontal direction when the polaroid by a light transmission shaft level, by upper liquid crystal cell 2 time utilize the dazzle characteristic of liquid crystal molecule that the direction of light is changed into vertically by level, by lower liquid crystal cell 4 time utilize the dazzle characteristic of liquid crystal molecule the direction of light by vertically changing level into, spread out of in the horizontal direction during last back of the body polaroid through light transmission shaft level, now do not show
Power up at upper liquid crystal cell 2, lower liquid crystal cell 4 is not under powering state, light becomes the linearly polarized light of horizontal direction when the polaroid by a light transmission shaft level, by upper liquid crystal cell 2 time liquid crystal molecule because E-field normal in glass surface arrangement lose dazzle characteristic, light is still propagated in the horizontal direction, by lower liquid crystal cell 4 time utilize the dazzle characteristic of liquid crystal molecule that the direction of light is changed into vertically by level, orthogonal both during back of the body polaroid through light transmission shaft level, cannot blaze abroad, now only have upper liquid crystal cell 2 to have display
In like manner, do not power up at upper liquid crystal cell 2, under lower liquid crystal cell 4 powering state, light becomes the linearly polarized light of horizontal direction when the polaroid by a light transmission shaft level, by upper liquid crystal cell 2 time utilize the dazzle characteristic of liquid crystal molecule that the direction of light is changed into vertically by level, by lower liquid crystal cell 4 time liquid crystal molecule because E-field normal in glass surface arrangement lose dazzle characteristic, light is still vertically propagated, orthogonal both during back of the body polaroid through light transmission shaft level, cannot blaze abroad, now only have lower liquid crystal cell 4 to have display
Thus, mentality of designing of the present utility model is, by driving respectively upper liquid crystal cell 2 and lower liquid crystal cell 4, realizes in 1 viewing area, the object of display 2 TN-LCD contents.
In addition, the visual angle of TN product is determined by the frictional direction of PI in liquid crystal cell and the direction of twist (left-handed and dextrorotation) of liquid crystal molecule.Usual TN mode LCD has the visual angle in a direction poor especially, and such as product is 6:00 visual angle, and the contrast in general 12:00 direction is poor all especially, the requirement that can meet client of 6:00,3:00,9:00.And in the utility model, adopt 2 liquid crystal cells, complementary design can be carried out by the friction and direction of twist adjusting upper liquid crystal cell 2 and lower liquid crystal cell 4 respectively, make 2 liquid crystal cells 2,4 visual angle corresponding complementary, such as visual angle is designed to 6:00 and 12:00 respectively, thus reach integral product all directions visual angle and have a good contrast, realize the display of full visual angle.
In the utility model, the attaching process between upper and lower 2 liquid crystal cells 2,4 is more special.Usually adopt double faced adhesive tape or glue as plastering agent in industry, but this bi-material has respective shortcoming, double faced adhesive tape thickness is large, easily forms the Newton ring of the interference shape up and down between two box; And use the difficulty of processing of glue large, and high to the requirement of process equipment, very easily there is bubble in manufacturing process, and can not reprocess.The method that the utility model adopts adopts dark viscous ink 3 to fit, and its technique is simple, and thickness is little, reliable working performance.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (5)
1. a liquid crystal display for double-deck TN pattern, is characterized in that, comprises the upper polaroid arranged, upper liquid crystal cell, lower liquid crystal cell and lower polaroid from top to bottom; Upper liquid crystal cell is identical with lower liquid crystal cell structure, is made up of respectively the top glass substrate arranged from top to bottom, upper PI oriented layer, liquid crystal layer, lower PI oriented layer and lower glass substrate, and wherein liquid crystal layer is enclosed between upper PI oriented layer and lower PI oriented layer by frame adhesive; Liquid crystal layer is twisted nematic, optical path difference Δ nd=450 ~ 550nm; Pasted by dark viscous ink between upper liquid crystal cell and lower liquid crystal cell.
2. the liquid crystal display of a kind of double-deck TN pattern according to claim 1, it is characterized in that, described top glass substrate, lower glass substrate adopt ITO electropane material, and its thickness range is 0.4mm ~ 1.1mm, and sheet resistance scope is 60 Ω/ ~ 120 Ω/.
3. the liquid crystal display of a kind of double-deck TN pattern according to claim 1, it is characterized in that, described liquid crystal layer is made up of wadding and liquid crystal, and wadding size is 5.5 μm ~ 6.0 μm, be every square millimeter 40 ~ 100 with density range to be uniformly distributed, around filled by liquid crystal.
4. the liquid crystal display of a kind of double-deck TN pattern according to claim 1, is characterized in that, process black viscosity ink between described upper liquid crystal cell and lower liquid crystal cell, thickness is 8 ~ 12um.
5. the liquid crystal display of a kind of double-deck TN pattern according to claim 1, is characterized in that, described upper polaroid and lower polaroid are the high-polarization polaroid that degree of polarization is greater than 99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910824.2U CN205193398U (en) | 2015-11-16 | 2015-11-16 | LCD of double -deck TN mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910824.2U CN205193398U (en) | 2015-11-16 | 2015-11-16 | LCD of double -deck TN mode |
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| Publication Number | Publication Date |
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| CN205193398U true CN205193398U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520910824.2U Active CN205193398U (en) | 2015-11-16 | 2015-11-16 | LCD of double -deck TN mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334679A (en) * | 2015-11-16 | 2016-02-17 | 亚世光电股份有限公司 | Double-layered TN-model liquid crystal display and manufacturing process thereof |
| CN106842738A (en) * | 2017-04-18 | 2017-06-13 | 北京爱格信达科技有限公司 | A kind of 3D liquid crystal structures and preparation method thereof |
-
2015
- 2015-11-16 CN CN201520910824.2U patent/CN205193398U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334679A (en) * | 2015-11-16 | 2016-02-17 | 亚世光电股份有限公司 | Double-layered TN-model liquid crystal display and manufacturing process thereof |
| CN106842738A (en) * | 2017-04-18 | 2017-06-13 | 北京爱格信达科技有限公司 | A kind of 3D liquid crystal structures and preparation method thereof |
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