CN102981328B - The liquid crystal indicator of negative field sequential and driving method thereof - Google Patents
The liquid crystal indicator of negative field sequential and driving method thereof Download PDFInfo
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- CN102981328B CN102981328B CN201210564962.0A CN201210564962A CN102981328B CN 102981328 B CN102981328 B CN 102981328B CN 201210564962 A CN201210564962 A CN 201210564962A CN 102981328 B CN102981328 B CN 102981328B
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Abstract
The invention provides a kind of liquid crystal indicator of negative field sequential, comprise the first negative field sequential liquid crystal display cells and the second negative field sequential liquid crystal display cells, described first negative field sequential liquid crystal display cells and described second negative field sequential liquid crystal display cells compensate mutually.Present invention also offers a kind of driving method of liquid crystal indicator of negative field sequential.The liquid crystal indicator of negative field sequential provided by the present invention and driving method thereof, volume production feasibility is strong, and technique is simple, and cost is low, and display effect is good, according to product needed, can also widen operating temperature range, or increases displaying contents.
Description
Technical field
The present invention relates to a kind of color liquid crystal display arrangement, particularly relate to a kind of liquid crystal indicator and driving method thereof of negative field sequential.
Background technology
Existing negative field sequential product, adopts TN (TwistNematic, twisted nematic liquid crystals) or VA(VerticalArray, homeoptropic more) negativity scheme.TN negativity scheme, due to reasons such as dispersions, background color can be followed according to retardation is different and present dark red or mazarine, and background color transmitance is higher, and contrast is lower; VA negativity scheme, because field sequence class needs response speed faster, need by reducing the thick requirement reaching the product response time of box, the thick technology difficulty of capsule is high, transmitance is low, NTSC(NationalTelevisionSystemCommittee, national television system committee) value is low, volume production poor feasibility, cost is high.
Therefore, how to provide the liquid crystal display of negative field sequential, reach volume production feasibility strong, technique is simple, and cost is low, and display effect is good, according to product needed, can widen operating temperature range, or the technology increasing displaying contents is a problem being worth research.
Summary of the invention
In view of this, the invention provides a kind of liquid crystal indicator and driving method thereof of negative field sequential, solve the problem of the liquid crystal display of negative field sequential.
For solving the problem, technical scheme provided by the invention is as follows:
The invention provides a kind of liquid crystal indicator of negative field sequential, comprise the first negative field sequential liquid crystal display cells and the second negative field sequential liquid crystal display cells, described first negative field sequential liquid crystal display cells and described second negative field sequential liquid crystal display cells compensate mutually.
Present invention also offers a kind of driving method of liquid crystal indicator of negative field sequential, the first negative field sequential liquid crystal display cells and the second negative field sequential liquid crystal display cells are provided; One of them negative field sequential liquid crystal display cells display graphics; Another negative field sequential liquid crystal display cells compensates one of them negative field sequential liquid crystal display cells described.
Can find out, the liquid crystal indicator of negative field sequential provided by the present invention and driving method thereof, volume production feasibility is strong, and technique is simple, and cost is low, and display effect is good, according to product needed, can also widen operating temperature range, or increases displaying contents.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below.Apparently, the accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the liquid crystal indicator of negative field sequential of the present invention;
Fig. 2 is the friction schematic diagram of the liquid crystal indicator of negative field sequential of the present invention;
Fig. 3 is the collocation schematic diagram of two liquid crystal display cells of the liquid crystal indicator of negative field sequential of the present invention;
Fig. 4 is the process flow diagram of the driving method of the liquid crystal indicator of negative field sequential of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Be illustrated in figure 1 the structural representation of the liquid crystal indicator of negative field sequential.The liquid crystal indicator of this negative field sequential comprises the first negative field sequential liquid crystal display cells 20 and the second negative field sequential liquid crystal display cells 30.
First negative field sequential liquid crystal display cells 20 is contrary with the direction of twist of the second negative field sequential liquid crystal display cells 30, mutually compensates, and adjacent substrate frictional direction is mutually vertical.First polaroid 10 of the first negative field sequential liquid crystal display cells 20 is mutually vertical with the second polaroid 40 of the second negative field sequential liquid crystal display cells 30.Second polaroid 40 is arranged in backlight 50.First negative field sequential liquid crystal display cells 20 and the second negative field sequential liquid crystal display cells 30 are TN box or STN(SuperTwistedNematic, super-twist nematic liquid crystal) box structure; Or one of them is TN box or STN box, and another is 1/2 wave plate; Or one of them is TN box or STN box, and another is compensate film.
A negative field sequential liquid crystal display cells in first negative field sequential liquid crystal display cells 20 and the second negative field sequential liquid crystal display cells 30 is as ITOheater(IndiumTinOxide, plated film transparent conducting glass) heater(heating film), another negative field sequential liquid crystal display cells is heated.
Be illustrated in figure 2 the friction schematic diagram of the liquid crystal indicator of negative field sequential.Adjacent substrate frictional direction is ± 45 ° in the present embodiment.First polaroid 10 of the first negative field sequential liquid crystal display cells 20 is mutually vertical with the second polaroid 40 of the second negative field sequential liquid crystal display cells 30.First negative field sequential liquid crystal display cells 20 is contrary with the second negative field sequential liquid crystal display cells 30 direction of twist, and mutually compensate, adjacent substrate frictional direction is mutually vertical.Like this by compensating, good dark-state and wider visual angle can be reached.
In the present invention, above structure can carry out corresponding change according to practical applications such as visual angles.First negative field sequential liquid crystal display cells 20 and the second negative field sequential liquid crystal display cells 30 twist angle can be designed as 70 ° ~ 120 °, 250 ° ~ 290 °, preferably 90 ° and 280 °.
Be illustrated in figure 3 the collocation schematic diagram of two liquid crystal display cells of the liquid crystal indicator of negative field sequential.
Figure (a) in the first negative field sequential liquid crystal display cells 20(Cell1) with the second negative field sequential liquid crystal display cells 30(Cell2) collocation be: Cell1 and Cell2 one of them not light requirement carve, do compensate with or simultaneously as ITOheater, the heating of another box can be given under low-temperature condition, strengthen its cryogenic property.
In figure (b), the collocation of Cell1 and Cell2 is: mode one: when figure complexity easily causes short circuit or driving force deficiency, and Cell1 display part figure, Cell2 shows remainder figure.Mode two: Cell1 and Cell2 all carve electrode, can be designed by Graphic Pattern Matching, by the figure of collocation displays more than four kinds such as opening respectively about cooperation Cell2 bottom, unlatching Cell1 top or two boxes.
Be illustrated in figure 4 the process flow diagram of the driving method of the liquid crystal indicator of negative field sequential.Step S100, provides the first negative field sequential liquid crystal display cells 20 and the second negative field sequential liquid crystal display cells 30.Step S102, one of them negative field sequential liquid crystal display cells display graphics.Step S103, another negative field sequential liquid crystal display cells compensates one of them negative field sequential liquid crystal display cells, and compensation box now can replace with 1/2 wave plate or liquid crystal type compensate film.Another field sequential liquid crystal display element provides heating film to heat one of them negative field sequential liquid crystal display cells.
The liquid crystal indicator of negative field sequential provided by the present invention and driving method thereof, volume production feasibility is strong, and technique is simple, and cost is low, and display effect is good, according to product needed, can widen operating temperature range simultaneously, or increases displaying contents.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the embodiment of the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the embodiment of the present invention, can realize in other embodiments.Therefore, the embodiment of the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
These are only the preferred embodiment of the embodiment of the present invention; not in order to limit the embodiment of the present invention; within all spirit in the embodiment of the present invention and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the embodiment of the present invention.
Claims (6)
1. a liquid crystal indicator for negative field sequential, is characterized in that, comprising:
First negative field sequential liquid crystal display cells and the second negative field sequential liquid crystal display cells, the display graphics of described first negative field sequential liquid crystal display cells and described second negative field sequential liquid crystal display cells compensates mutually; The part figure of described first negative field sequential liquid crystal display cells display piece image, described second negative field sequential liquid crystal display cells shows the remainder figure of this image.
2. the liquid crystal indicator of negative field sequential according to claim 1, is characterized in that: the first polaroid of described first negative field sequential liquid crystal display cells is mutually vertical with the second polaroid of described second negative field sequential liquid crystal display cells.
3. the liquid crystal indicator of negative field sequential according to claim 1, is characterized in that: described first negative field sequential liquid crystal display cells is contrary with the direction of twist of described second negative field sequential liquid crystal display cells.
4. the liquid crystal indicator of negative field sequential according to claim 1, is characterized in that: described first negative field sequential liquid crystal display cells is mutually vertical with the adjacent substrate frictional direction of described second negative field sequential liquid crystal display cells.
5. the liquid crystal indicator of negative field sequential according to claim 1, is characterized in that: described first negative field sequential liquid crystal display cells and described second negative field sequential liquid crystal display cells are TN or STN simultaneously.
6. a driving method for the liquid crystal indicator of negative field sequential, is characterized in that, comprises the following steps:
First negative field sequential liquid crystal display cells and the second negative field sequential liquid crystal display cells are provided;
The part figure of one of them negative field sequential liquid crystal display cells display piece image;
Another negative field sequential liquid crystal display cells does Graphic Pattern Matching to one of them negative field sequential liquid crystal display cells described and compensates, and shows the remainder figure of this image.
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| CN201210564962.0A CN102981328B (en) | 2012-12-24 | 2012-12-24 | The liquid crystal indicator of negative field sequential and driving method thereof |
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| CN201210564962.0A CN102981328B (en) | 2012-12-24 | 2012-12-24 | The liquid crystal indicator of negative field sequential and driving method thereof |
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| CN102981328B true CN102981328B (en) | 2015-12-23 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351464A (en) * | 2000-10-31 | 2002-05-29 | 瓦林特利吉特(Bvi)有限公司 | Heater for liquid crystal display device |
| CN1758105A (en) * | 2004-10-06 | 2006-04-12 | 斯坦雷电气株式会社 | Liquid crystal display element |
| CN101196633A (en) * | 2006-10-06 | 2008-06-11 | 斯坦雷电气株式会社 | Field sequentially driven liquid crystal display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4768480B2 (en) * | 2006-03-20 | 2011-09-07 | Ｎｅｃ液晶テクノロジー株式会社 | Viewing angle control display device and terminal equipped with the same |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351464A (en) * | 2000-10-31 | 2002-05-29 | 瓦林特利吉特(Bvi)有限公司 | Heater for liquid crystal display device |
| CN1758105A (en) * | 2004-10-06 | 2006-04-12 | 斯坦雷电气株式会社 | Liquid crystal display element |
| CN101196633A (en) * | 2006-10-06 | 2008-06-11 | 斯坦雷电气株式会社 | Field sequentially driven liquid crystal display device |
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Effective date of registration: 20230731 Address after: 3rd Floor, Building B1, Wanjiang Fortune Plaza, No. 88 Ruixiang Road, Guandou Street, Jiujiang District, Wuhu City, Anhui Province 241060 Patentee after: Wuhu Tianma Automotive Electronics Co.,Ltd. Address before: 518000 Baolong Industrial City, Longgang District, Shenzhen, Guangdong Province Patentee before: Tianma Micro-Electronics Co.,Ltd. |
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