CN202815382U - DTSN (Double Super Twisted Nematic) module and liquid crystal compensation box thereof - Google Patents
DTSN (Double Super Twisted Nematic) module and liquid crystal compensation box thereof Download PDFInfo
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- CN202815382U CN202815382U CN 201220258626 CN201220258626U CN202815382U CN 202815382 U CN202815382 U CN 202815382U CN 201220258626 CN201220258626 CN 201220258626 CN 201220258626 U CN201220258626 U CN 201220258626U CN 202815382 U CN202815382 U CN 202815382U
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Abstract
The utility model relates to a liquid crystal display technology, in particular to a DTSN (Double Super Twisted Nematic) module and a liquid crystal compensation box thereof. The liquid crystal compensation box sequentially comprises an upper substrate, an upper conductive layer, an upper oriented layer, a liquid crystal layer, a lower oriented layer, a lower conductive layer and a lower substrate from up to down. The DSTN module adopts a dual-layer liquid crystal box structure, which comprises a liquid crystal display box and the liquid compensation box. According to the utility model, a TOP insulation layer of the liquid crystal compensation box structure in the DSTN module is removed, as a result, the cost of the DSTN module is lowered and the transmission rate of the DSTN is improved.
Description
Technical field
The utility model relates to lcd technology, is a kind of DTSN module and liquid crystal compensation box thereof specifically.
Background technology
STN (Super Twisted Nematic), it was that 180 arrangements of spending the liquid crystal molecule of above distortion change the optically-active state originally that finger changes with electric field, extra electric field changes electric field by the mode of lining by line scan, repeatedly change in the process of voltage at electric field, the rejuvenation of every bit is slower, thereby produces twilight sunset.Its benefit is that power consumption is little, has the sharpest edges of power saving.
STN-LCD Realization of Product white and black displays has two types, be FSTN and DSTN, they realize that the structural principle of white and black displays is as follows: the FSTN product is with offset the phase differential that light produces by liquid crystal layer with the polaroid of compensate film, the retardation of this compensate film when high low temperature can not be followed the variation of liquid crystal layer retardation amount synchronously, and this has larger difference in the time of can causing high temperature background color and normal temperature; The DSTN product has two-layer liquid crystal cell, be that liquid crystal display cell is combined with the liquid crystal compensation box, its elliptically polarized light that sees through LC is by after compensating liquid crystal cell, revert to linearly polarized light, eliminate thus interference color, this compensation effect is still fine under high-temperature condition, and it is little to compare difference under background color and the normal temperature, still can realize higher contrast.
Referring to Fig. 1, the structural representation of expression DSTN module.This DSTN module comprises liquid crystal display cell 100 and liquid crystal compensation box 200, wherein liquid crystal display cell 100 adds 45 ° of polarizers (Polarizer), liquid crystal compensation box 200 adds the analyzer (Analyzer) of intersection, and these two liquid crystal cells are combined with has preferably high low temperature operating effect.Referring to Fig. 2, the structural representation of expression available liquid crystal compensation box.This liquid crystal compensation box 200 comprises top glass substrate 201, upper ITO layer 202, upper TOP insulation course 203, upper PI oriented layer 204, liquid crystal layer 205, lower PI oriented layer 206, lower TOP insulation course 207, lower ITO layer 208, lower glass substrate 209 successively, and wherein brief introduction is as follows respectively for the function of each layer: glass substrate is to make and the baseplate material that supports liquid crystal cell; The TOP insulation course is to make up and down mutually insulated between the two-layer ITO; The PI oriented layer produces the friction groove mark after friction, make in the above grappling of liquid crystal directed; Liquid crystal layer is the space that is full of liquid crystal, plays the effect of photoswitch by the distortion of liquid crystal; Plastic ball 210 mainly is to support up and down two sheet glass, keeps the thick space of uniform box.
The advantage of above DSTN product is: operating temperature is wide, and high low temperature display effect is better than FSTN; But DSTN is existent defect also: because two-layer liquid crystal cell is arranged, cost is higher, and transmitance is relatively low.Therefore, be necessary to seek better technical scheme, to reduce the cost of DSTN module product, improve the transmitance of DSTN module product.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of DTSN module and liquid crystal compensation box thereof, can reduce the cost that DSTN produces the module product, improves the transmitance of DSTN module product.
For solving above technical matters, the technical scheme that the utility model provides is that a kind of liquid crystal compensation box comprises from top to down successively: oriented layer on the conductive layer, on the upper substrate,, a liquid crystal layer, once oriented layer, a lower conductiving layer and an infrabasal plate.
More preferably, described upper conductive layer and described lower conductiving layer are respectively the ITO layer.
More preferably, described upper conductive layer and described lower conductiving layer are respectively the ITO layer that surface resistance is 100 ± 5 Europe.
More preferably, described upper substrate and described infrabasal plate are respectively glass substrate.
More preferably, described upper oriented layer and described lower oriented layer are respectively the PI layer.
More preferably, be filled with to keep some stilts in the thick space of even box in the described liquid crystal layer.
More preferably, above support is plastic ball.
On this basis, the utility model is corresponding to provide a kind of DSTN module, adopts double-deck liquid crystal cell structure, and described double-deck liquid crystal cell structure comprises a liquid crystal display cell and an above-mentioned liquid crystal compensation box.
Compared with prior art, the TOP insulation course of liquid crystal compensation box structure in the existing DSTN module of the utility model cancellation, its preferred embodiment changes the ITO layer in original surface resistance 80 Europe into the ITO layer in surface resistance 100 Europe simultaneously, simplify thus the production procedure of liquid crystal compensation box, reduce Material Cost and production cost, improve the transmitance of DSTN module, this is conducive to improve the problem that DSTN module cost of products is higher, transmitance is relatively low.
Especially, the utility model can guarantee the performance of DSTN module product preferably, reason is: because the liquid crystal compensation box in use only plays the phase place supplementary function, even exist the conduction foreign matter to make the ITO layer of fluctuating plate up and down conducting occur in the liquid crystal cell, on the also not impact of normal use of liquid crystal compensation box; And because the liquid crystal compensation box during normal use need not be switched on, the height of ito surface resistance value is on the not impact of normal use of liquid crystal compensation box.
Description of drawings
Fig. 1 is the structural representation of DSTN module;
Fig. 2 is the structural representation of available liquid crystal compensation box;
Fig. 3 is the structural representation of the utility model liquid crystal compensation box one preferred embodiment.
Among Fig. 1～Fig. 3, relevant Reference numeral is:
100, liquid crystal display cell;
200, liquid crystal compensation box, 201, top glass substrate, 202, upper ITO layer, 203, upper TOP layer, 204, upper PI oriented layer, 205, liquid crystal layer, 206, lower PI oriented layer, 207, lower TOP layer, 208, lower ITO layer, 209, lower glass substrate, 210, plastic ball.
Embodiment
The basic conception of the utility model preferred embodiment is the TOP insulation course in the existing DSTN module of cancellation in the liquid crystal compensation box structure; Further, the ITO layer in original surface resistance 80 Europe is changed into the ITO layer in surface resistance 100 Europe.
This technical scheme can guarantee the serviceability of DSTN module product, it is based on following principle: the liquid crystal compensation box in the DSTN module has been effect of phase compensation, need not import electric current by the ITO layer and produce voltage difference, also need not prevent up and down string pen by the TOP insulation course, so can cancel on the TOP shelf theory of liquid crystal compensation box, and the height of ito surface resistance value is on the not impact of normal use of liquid crystal compensation box.
In order to make those skilled in the art understand better the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 3, the structural representation of expression the utility model liquid crystal compensation box one preferred embodiment.This liquid crystal compensation box 200 comprises top glass substrate 201, upper ITO layer 202, upper PI oriented layer 204, liquid crystal layer 205, lower PI oriented layer 206, lower ITO layer 208, lower glass substrate 209 successively, wherein fill plastic ball 210 in the liquid crystal layer 205, in order to support up and down two sheet glass substrates, keep the thick space of uniform box.
In the present embodiment, TOP insulation course in the liquid crystal compensation box structure in the existing DSTN module of cancellation, simultaneously the ITO layer in original surface resistance 80 Europe is changed into the ITO layer in surface resistance 100 Europe, it can save the expenses such as production cost, TOP bat printing mould of TOP insulation course processing procedure, simplifies the production procedure of liquid crystal compensation box; Because of more cheap than the ITO layer in surface resistance 80 Europe with surface resistance 100 Europe ITO layers, so this scheme has also reduced the cost of ito glass simultaneously, reduce Material Cost and production cost;
Because having cancelled the TOP insulation course, make the designs simplification of liquid crystal compensation box, simultaneously also so that the transmitance of DSTN module improved accordingly.Because transmitance=see through the percent of ratio of the luminous flux of the luminous flux that the DSTN module penetrates/shine DSTN module, because of the ITO layer in the surface resistance 100 Europe partially thin about 0.05um of ITO layer than surface resistance 80 Europe, at the ITO layer that uses surface resistance 100 Europe and when cancelling simultaneously the TOP insulation course, reduce light in scattering and the refraction of TOP insulation course and ITO layer, so that pass through the percent increase of the luminous flux of compensation box, thereby improved the transmitance of DSTN module.
Use the DSTN module of this liquid crystal compensation box, help to improve the problem that cost of products is higher, transmitance is relatively low.Through contrast test find DSTN module product performance index of the present utility model be improved significantly, concrete test findings such as following: state (1), adopt the TOP insulation course and with the compensation box of surface resistance 80 Europe ITO layers; State (2) is without the TOP insulation course and with the compensation box of surface resistance 100 Europe ITO layers; Test condition adopts identical liquid crystal display cell; Test parameters, test transmitance and contrast.Test findings shows, state 2 usefulness have the TOP insulation course and have improved 6.2% with the transmitance of the DSTN module sample of surface resistance 80 Europe ITO layers without the TOP insulation course and with the DSTN module sample transmitance relative status 1 of surface resistance 100 Europe ITO layers, and cost unit price descends 9.8%.
On only be preferred implementation of the present utility model, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with the claim limited range.For those skilled in the art, within not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a liquid crystal compensation box is characterized in that, comprises successively from top to down: oriented layer on the conductive layer, on the upper substrate,, a liquid crystal layer, once oriented layer, a lower conductiving layer and an infrabasal plate.
2. liquid crystal compensation box as claimed in claim 1 is characterized in that, described upper conductive layer and described lower conductiving layer are respectively the ITO layer.
3. liquid crystal compensation box as claimed in claim 2 is characterized in that, described upper conductive layer and described lower conductiving layer are respectively the ITO layer that surface resistance is 100 ± 5 Europe.
4. liquid crystal compensation box as claimed in claim 1 is characterized in that, described upper substrate and described infrabasal plate are respectively glass substrate.
5. liquid crystal compensation box as claimed in claim 1 is characterized in that, described upper oriented layer and described lower oriented layer are respectively the PI layer.
6. liquid crystal compensation box as claimed in claim 1 is characterized in that, is filled with to keep some stilts in the thick space of even box in the described liquid crystal layer.
7. liquid crystal compensation box as claimed in claim 6 is characterized in that, above support is plastic ball.
8. a DSTN module adopts double-deck liquid crystal cell structure, it is characterized in that, described double-deck liquid crystal cell structure comprises a liquid crystal display cell and just like each described liquid crystal compensation box of claim 1～7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258626 CN202815382U (en) | 2012-06-01 | 2012-06-01 | DTSN (Double Super Twisted Nematic) module and liquid crystal compensation box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258626 CN202815382U (en) | 2012-06-01 | 2012-06-01 | DTSN (Double Super Twisted Nematic) module and liquid crystal compensation box thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202815382U true CN202815382U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220258626 Expired - Lifetime CN202815382U (en) | 2012-06-01 | 2012-06-01 | DTSN (Double Super Twisted Nematic) module and liquid crystal compensation box thereof |
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| CN (1) | CN202815382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942575A (en) * | 2017-11-22 | 2018-04-20 | 樊子健 | The display system of multilayer TN LCD |
-
2012
- 2012-06-01 CN CN 201220258626 patent/CN202815382U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942575A (en) * | 2017-11-22 | 2018-04-20 | 樊子健 | The display system of multilayer TN LCD |
| CN107942575B (en) * | 2017-11-22 | 2021-05-04 | 樊子健 | Display system of multilayer TN-LCD |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |