CN104635365A - Dye liquid crystal display - Google Patents
Dye liquid crystal display Download PDFInfo
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- CN104635365A CN104635365A CN201310555065.8A CN201310555065A CN104635365A CN 104635365 A CN104635365 A CN 104635365A CN 201310555065 A CN201310555065 A CN 201310555065A CN 104635365 A CN104635365 A CN 104635365A
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- liquid crystal
- dye
- crystal display
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- dichroic dye
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/60—Pleochroic dyes
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1396—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
- G02F1/1397—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
Abstract
The invention provides an STN (Super Twisted Nematic) dye liquid crystal display. According to the dye liquid crystal display, black characters are on a white background. The dye liquid crystal display sequentially comprises an upper polaroid, an upper substrate, an upper orientation layer, a liquid crystal layer, a lower orientation layer, a lower substrate and a lower polaroid. The liquid crystal layer comprises liquid crystal compositions. The liquid crystal compositions comprise liquid crystal parents and dichroism dye. The liquid crystal parents comprise one or more kinds of liquid crystal compounds and chiral agents. The weight proportion of the dichroism dye in the liquid crystal compositions is smaller than or equal to 0.8%. Deltan*d of the liquid crystal parents ranges from 600 nm to 1200 nm. The olivine ground color in the STN displaying mode can be absorbed by the dichroism dye, the displaying effect that the black characters are on the white background can be achieved, and the dye liquid crystal display further has the advantages of being wide in view angle range, high in contrast ratio, simple in technology and low in cost.
Description
Technical field
The present invention relates to a kind of dye liquid crystal display device, the STN(Super Twisted Nematic of particularly a kind of white gravoply, with black engraved characters display frame, super-twist nematic) dye liquid crystal display.
Background technology
Liquid crystal display is a kind of flat-panel screens be widely used, and has the features such as slim body, low in energy consumption and driving voltage be low.Display panels is passive device, itself is not luminous, its principle of work places liquid crystal molecule between the glass substrate that two panels is parallel, tiny electric wire that is vertically a lot of and level is had in two panels glass substrate, by control voltage to change the orientation of liquid crystal molecule, the light refraction sent by backlight module out produces corresponding picture.Conventional liquid crystal display mode has the TN display mode that applicable low line number drives and the STN display mode being applicable to the driving of high line number, wherein, the liquid crystal display structure of conventional STN display mode as shown in Figure 1, upper polaroid 111, upper substrate 121, upper oriented layer 131, liquid crystal material layer 140, lower oriented layer 132, infrabasal plate 122 and lower polaroid 112 form, and its background color is partially yellowish green.And the color that consumer's general preference is more neutral, as white, black, grey etc.
For solving the partially yellow partially green problem of background color in STN display mode, the conventional at present background color adopting polaroid, phase differential template, plate certain method such as material, color filter change STN on substrate, above-mentioned several mode all increases one or more layers medium in the simplest STN structure, though improve the background color of STN to a certain extent, but complicated process of preparation, cost is higher, is not easy to large-scale production.Therefore, needing to provide a kind of background color in order to allow STN pattern realize white, the present invention proposes a kind of new mode, using dichroic dye to be absorbed by the yellowish green background color of STN, thus realizing white background display, as shown in Figure 2.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of technique simple, cost is lower, is convenient to the dye liquid crystal display of large-scale production.
The present invention one object adds a small amount of dichroic dye in stn liquid crystal display, in order to absorb the yellowish green background color in STN display mode, thus realizes the display effect of white gravoply, with black engraved characters.
Another object of the present invention is to provide the dye liquid crystal display of the positive display mode of a kind of STN, it is characterized in that, described dye liquid crystal display comprises polaroid successively, upper substrate, upper oriented layer, liquid crystal layer, lower oriented layer, infrabasal plate and lower polaroid, wherein, described liquid crystal layer comprises liquid-crystal composition, described liquid-crystal composition comprises liquid crystal parent and dichroic dye, described liquid crystal parent comprises one or more of liquid-crystal compounds and chiral agent, described dichroic dye accounts for described liquid-crystal composition weight and is less than or equal to 0.8%, the scope of described liquid crystal parent Δ n*d is 600nm ~ 1200nm.
In some embodiments, what described dichroic dye was selected from blue dichroic dye, purple dichroic dye, orange dichroic dye is one or more of.
In some embodiments, described upper substrate and described infrabasal plate are rigid substrates or flexible base, board independently of one another.
In some embodiments, described rigid substrates is glass substrate.
In some embodiments, described flexible base, board is plastic base.
In some embodiments, described upper substrate and/or described infrabasal plate comprise transparency conducting layer.
In some embodiments, described upper oriented layer and described lower oriented layer are horizontal alignment layer.
In some embodiments, the content of described chiral agent is the amount making the twist angle of described liquid crystal layer reach 180 ° ~ 270 °.
The present invention compared with prior art, its feature is to add in positive display mode stn liquid crystal display the dichroic dye that content is less than 6%, yellowish green background color in STN display mode is absorbed, reach the display effect that human eye gets used to the white gravoply, with black engraved characters accepted, also there is angular field of view large, the advantage that contrast is high.The present invention adopts and in liquid crystal, adds a small amount of dichroic dye to change background color, and outside substrate, increases phase differential template, color filter or plate compared with the classic methods such as certain material on substrate, and technique is simple, and cost is lower, is applicable to large-scale industrial production.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing STN display mode liquid crystal display;
Fig. 2 is the structural representation of STN display mode dye liquid crystal display of the present invention;
Fig. 3 is the structural drawing of dye liquid crystal display in embodiment;
Fig. 4 be in embodiment 1 STN through spectrum;
Fig. 5 is the absorption spectrum of purple dichroic dye in embodiment 1;
Fig. 6 is the visual angle figure of the dye liquid crystal display (ESTN) of embodiment 1;
Fig. 7 is the visual angle figure of the liquid crystal display (FSTN) of compensate film;
Fig. 8 be in embodiment 2 STN through spectrum;
Fig. 9 is the absorption spectrum of orange dichroic dye in embodiment 2; And
Figure 10 is the visual angle figure of the dye liquid crystal display (ESTN) of embodiment 2.
Embodiment
Below, accompanying drawings, for implementing the preferred version of dye liquid crystal display of the present invention, is described in detail object of the present invention, technology contents, feature and effect of realizing thereof.
Fig. 2 is the structural representation of STN display mode dye liquid crystal display of the present invention.Described dye liquid crystal display comprises polaroid 211 successively, upper substrate 221, upper oriented layer 231, liquid crystal layer 240, lower oriented layer 232, infrabasal plate 222 and lower polaroid 212, wherein, described liquid crystal layer 240 comprises liquid-crystal composition, and described liquid-crystal composition comprises liquid crystal parent and dichroic dye, the scope of described liquid crystal parent Δ n*d is 600nm ~ 1200nm, and wherein liquid crystal parent comprises one or more of liquid-crystal compounds and chiral agent.Described dichroic dye is evenly distributed in described liquid-crystal composition, in fig. 2, with dichroic dye 250 example.Further, in described liquid-crystal composition, dichroic dye accounts for described liquid-crystal composition weight and is less than or equal to 0.8%.
Described dichroic dye be selected from that Jiangsu Hecheng Display Technology Co., Ltd. produces dichroic dye, and this dichroic dye to be selected from blue dichroic dye, purple dichroic dye, orange dichroic dye one or more of.
In certain embodiments, described blue dichroic dye be selected from but be not limited in following table one or more:
The blue two dichroic dye molecule structures of table 1
In certain embodiments, described orange dichroic dye be selected from but be not limited in following table one or more:
The orange two dichroic dye molecule structures of table 2
In certain embodiments, described purple dichroic dye be selected from but be not limited in following table one or more:
Table 3 purple two dichroic dye molecule structure
Described chiral agent is selected from the chiral agent that Jiangsu Hecheng Display Technology Co., Ltd. produces.
In embodiment, the code name of writing a Chinese character in simplified form of each test event is expressed as:
Tsn(DEG C) low-temperature storage phase transition temperature
Tni(DEG C) cleaning point (DEG C, to row-isotropic phase transition temperature)
Δ n optical anisotropy (589nm, 20 DEG C)
Viscosity bulk viscosity (mm2/s, at 20 DEG C)
Δ ε dielectric anisotropy (1KHz, 25 DEG C)
Embodiment 1
The dye liquid crystal display of the present embodiment as shown in Figure 3, be followed successively by polaroid 311, upper substrate 321, upper oriented layer 331, is clipped in the liquid crystal layer 340 between two-layer oriented layer, lower oriented layer 332, infrabasal plate 322 and lower polaroid 312 form, wherein, described liquid crystal layer 340 comprises liquid-crystal composition, and described liquid-crystal composition comprises liquid crystal, purple dichroic dye 350 and chiral agent.
As shown in Figure 3, to be parallel to the dotted line of substrate one side as horizontal line, the frictional direction of lower oriented layer is positive 30 °, and the frictional direction of upper oriented layer is negative 30 °, and the extinction direction of principal axis of upper polaroid is positive 15 °, and the extinction direction of principal axis of lower polaroid is positive 75 °.
When not powering up, dye liquid crystal display is in off position, and now liquid crystal molecule and dichroic dye molecules are all lying status, is in the on state of of STN.Dichroic dye molecules absorbs light, thus now obtain through spectrum, be exactly by the result superposed with the absorption spectrum of dichroic dye through spectrum of common STN, present neutral gray.Both spectrum are respectively as Fig. 4 (STN is through spectrum) and Fig. 5 (absorption spectrum of purple dichroic dye).
When powering up work, liquid crystal molecule is stood under electric field action, and dichroic dye molecules is also stood arrangement thereupon.At this moment, the dark-state of STN is in.Meanwhile, due to the existence of dichroic dye, can make originally to become darker with partially blue background color, thus make font more black.
In the present invention, liquid crystal adopts nematic phase stn liquid crystal, and parameter is as shown in table 4.Liquid crystal used is that Jiangsu Hecheng Display Technology Co., Ltd. produces, and is the composition of HSG4946 and HSG4947 two series liquid crystal.Added dye liquid crystal is the purple dichroic dye that Jiangsu Hecheng Display Technology Co., Ltd. produces, and its model is RL-013, and addition is 0.4%; Added chiral agent is that Jiangsu Hecheng Display Technology Co., Ltd. produces, and its model is S811, and addition is 0.8%.
Table 4 liquid crystal material performance parameter
Poured into by the dye liquid crystal that mixture is good in the left-handed 240 ° of STN testing cassetes of 6um, used test box is that Truly Opto-Electronics Ltd. produces.Stick polaroid according to structure shown in Fig. 3, the dye liquid crystal display of neutral grey background color can be obtained.Fig. 6 is the visual angle figure of the dye liquid crystal display (ESTN) of the present embodiment, Fig. 7 is the visual angle figure of the liquid crystal display (FSTN) adding compensate film, the contrast of ESTN is higher than the contrast of FSTN about 20%, and the angular field of view of ESTN is also greater than the angular field of view of FSTN under same contrast, namely the visual angle of ESTN is better than FSTN.
Embodiment 2
The dye liquid crystal display of the present embodiment as shown in Figure 3, be followed successively by polaroid 311, upper substrate 321, upper oriented layer 331, is clipped in the liquid crystal layer 340 between two-layer oriented layer, lower oriented layer 332, infrabasal plate 322 and lower polaroid 312 form, wherein, described liquid crystal layer 340 comprises liquid-crystal composition, and described liquid-crystal composition comprises liquid crystal, purple dichroic dye 350 and chiral agent.
As shown in Figure 3, to be parallel to the dotted line of substrate one side as horizontal line, the frictional direction of lower oriented layer is positive 30 °, and the frictional direction of upper oriented layer is negative 30 °, and the extinction direction of principal axis of upper polaroid is positive 15 °, and the extinction direction of principal axis of lower polaroid is positive 75 °.
When not powering up, dye liquid crystal display is in off position, and now liquid crystal molecule and dichroic dye molecules are all lying status, is in the on state of of STN.Dichroic dye molecules absorbs light, thus now obtain through spectrum, be exactly by the result superposed with the absorption spectrum of dichroic dye through spectrum of common STN, present grey.Both spectrum are respectively as Fig. 8 (STN is through spectrum) and Fig. 9 (absorption spectrum of orange dichroic dye).
When powering up work, liquid crystal molecule is stood under electric field action, and dichroic dye molecules is also stood arrangement thereupon.At this moment, the dark-state of STN is in.Meanwhile, due to the existence of dichroic dye, can make originally to become darker with partially blue background color, thus make font more black.
In the present invention, liquid crystal adopts nematic phase stn liquid crystal, and parameter is as shown in table 5.Liquid crystal used is that Jiangsu Hecheng Display Technology Co., Ltd. produces, and its model is: HSG252 series.Added dye liquid crystal is the orange dichroic dye that Jiangsu Hecheng Display Technology Co., Ltd. produces, and its model is RL-002, and addition is 0.3%; Added chiral agent is that Jiangsu Hecheng Display Technology Co., Ltd. produces, and its model is S811, and addition is 0.9%.
Table 5 liquid crystal material performance parameter
Poured into by the dye liquid crystal that mixture is good in the left-handed 240 ° of STN testing cassetes of 5.5um, used test box is that Truly Opto-Electronics Ltd. produces.Stick polaroid according to structure shown in Fig. 3, the dye liquid crystal display of neutral grey background color can be obtained.Figure 10 is the visual angle figure of the dye liquid crystal display (ESTN) of the present embodiment, Fig. 7 is the visual angle figure of the liquid crystal display (FSTN) adding compensate film, the contrast of ESTN is higher than the contrast of FSTN about 20%, and the angular field of view of ESTN is also greater than the angular field of view of FSTN under same contrast, namely the visual angle of ESTN is better than FSTN.
Certainly, above is only the preferred embodiments of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement and adjustment, these improve and adjustment also should be considered as dropping within protection scope of the present invention.
Claims (8)
1. the dye liquid crystal display of the positive display mode of STN, it is characterized in that, described dye liquid crystal display comprises polaroid successively, upper substrate, upper oriented layer, liquid crystal layer, lower oriented layer, infrabasal plate and lower polaroid, wherein, described liquid crystal layer comprises liquid-crystal composition, described liquid-crystal composition comprises liquid crystal parent and dichroic dye, described liquid crystal parent comprises one or more of liquid-crystal compounds and chiral agent, and described dichroic dye accounts for described liquid-crystal composition weight and is less than or equal to 0.8%, and the scope of described liquid crystal parent Δ n*d is 600nm ~ 1200nm.
2. dye liquid crystal display according to claim 1, is characterized in that, it is one or more of that described dichroic dye is selected from blue dichroic dye, purple dichroic dye, orange dichroic dye.
3. dye liquid crystal display according to claim 1, is characterized in that, described upper substrate and described infrabasal plate are rigid substrates or flexible base, board independently of one another.
4. dye liquid crystal display according to claim 3, is characterized in that, described rigid substrates is glass substrate.
5. dye liquid crystal display according to claim 3, is characterized in that, described flexible base, board is plastic base.
6. dye liquid crystal display according to claim 1, is characterized in that, described upper substrate and/or described infrabasal plate comprise transparency conducting layer.
7. dye liquid crystal display according to claim 1, is characterized in that, described upper oriented layer and described lower oriented layer are horizontal alignment layer.
8. dye liquid crystal display according to claim 1, is characterized in that, the content of described chiral agent is the amount making the twist angle of described liquid crystal layer reach 180 ° ~ 270 °.
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| CN201310555065.8A CN104635365B (en) | 2013-11-08 | 2013-11-08 | A kind of dye liquid crystal display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107922844A (en) * | 2015-09-04 | 2018-04-17 | Dic株式会社 | Nematic liquid crystal composition and the liquid crystal display element for having used it |
| CN109143710A (en) * | 2017-06-28 | 2019-01-04 | 江苏和成显示科技有限公司 | It is a kind of can repeated writing electronic palette paper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004062021A (en) * | 2002-07-31 | 2004-02-26 | Optrex Corp | Liquid crystal display |
| JP2004325884A (en) * | 2003-04-25 | 2004-11-18 | Optrex Corp | Liquid crystal display device |
| JP2005154725A (en) * | 2003-10-29 | 2005-06-16 | Asahi Denka Kogyo Kk | Liquid crystal composition and stn type liquid crystal device |
| CN101393361A (en) * | 2007-09-18 | 2009-03-25 | 富士胶片株式会社 | Liquid crystal device |
| CN102854650A (en) * | 2012-08-01 | 2013-01-02 | 江苏和成显示科技股份有限公司 | Transparent liquid crystal display with dye liquid crystal compound |
-
2013
- 2013-11-08 CN CN201310555065.8A patent/CN104635365B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004062021A (en) * | 2002-07-31 | 2004-02-26 | Optrex Corp | Liquid crystal display |
| JP2004325884A (en) * | 2003-04-25 | 2004-11-18 | Optrex Corp | Liquid crystal display device |
| JP2005154725A (en) * | 2003-10-29 | 2005-06-16 | Asahi Denka Kogyo Kk | Liquid crystal composition and stn type liquid crystal device |
| CN101393361A (en) * | 2007-09-18 | 2009-03-25 | 富士胶片株式会社 | Liquid crystal device |
| CN102854650A (en) * | 2012-08-01 | 2013-01-02 | 江苏和成显示科技股份有限公司 | Transparent liquid crystal display with dye liquid crystal compound |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107922844A (en) * | 2015-09-04 | 2018-04-17 | Dic株式会社 | Nematic liquid crystal composition and the liquid crystal display element for having used it |
| CN109143710A (en) * | 2017-06-28 | 2019-01-04 | 江苏和成显示科技有限公司 | It is a kind of can repeated writing electronic palette paper |
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