CN105334654A - VA liquid crystal display device and method - Google Patents
VA liquid crystal display device and method Download PDFInfo
- Publication number
- CN105334654A CN105334654A CN201510741253.9A CN201510741253A CN105334654A CN 105334654 A CN105334654 A CN 105334654A CN 201510741253 A CN201510741253 A CN 201510741253A CN 105334654 A CN105334654 A CN 105334654A
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- CN
- China
- Prior art keywords
- liquid crystal
- crystal display
- driver
- power supply
- driving frequency
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Classifications
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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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
Abstract
The invention discloses a VA liquid crystal display device and method. The method comprises the following steps of reducing the thickness of a liquid crystal layer in a VA liquid crystal display; increasing the driving frequency of a power supply provided by a driver, wherein the driver uses the power supply for driving the VA liquid crystal display. The thickness of the liquid crystal layer in the VA liquid crystal display is reduced, the driving frequency of the power supply provided by the driver is improved, and the driver adopts the power supply for driving the VA liquid crystal display, so that the response speed of the VA liquid crystal display device can be accelerated. Meanwhile, the visible angle and the contrast ratio of the VA liquid crystal display device can be further increased.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly a kind of VA liquid crystal indicator and method.
Background technology
Along with the development of lcd technology, in order to increase visible angle and the contrast of liquid crystal display, VA (VerticalAlignment, vertical orientation) liquid crystal indicator arises at the historic moment.But current VA liquid crystal indicator has the slower shortcoming of response speed.
Summary of the invention
For solving the problem, the invention provides a kind of VA liquid crystal indicator and method, to solve the slower problem of current VA response speed of LCD.
According to an aspect of the present invention, a kind of vertical orientation VA liquid crystal indicator is provided, comprise VA liquid crystal display and driver, described VA liquid crystal display comprises the liquid crystal layer that thickness is 1.5 to 2.5 microns μm, and described driver is that the power supply of 150 hertz of more than Hz drives described VA liquid crystal display for adopting driving frequency.
In the optional embodiment of one, described device also comprises backlight, for providing light source to described VA liquid crystal display.
In the optional embodiment of another kind, described driver is that the power supply of 150 to 400Hz drives described VA liquid crystal display for adopting driving frequency.
In the optional embodiment of another kind, described VA liquid crystal display is the dot matrix VA liquid crystal display on 16 to 240 tunnels.
According to another aspect of the present invention, a kind of VA liquid crystal display method is also provided, comprises:
Reduce the thickness of liquid crystal layer in VA liquid crystal display;
Increase the driving frequency of the power supply that driver provides;
Described driver adopts VA liquid crystal display described in described power drives.
In the optional embodiment of one, in described reduction VA liquid crystal display, the thickness of liquid crystal layer comprises: the thickness of liquid crystal layer in VA liquid crystal display is reduced to any number in scope 1.5 to 2.5 μm.
In the optional embodiment of another kind, the driving frequency of the power supply that described increase driver provides comprises: the driving frequency of the power supply provided by driver is increased to more than 150Hz.
In the optional embodiment of another kind, the driving frequency of the described power supply provided by driver is increased to more than 150Hz and comprises: the driving frequency of the power supply provided by driver increases to any number in scope 150 to 400Hz.
Compared with prior art, beneficial effect of the present invention is:
1, the present invention is by reducing the thickness of liquid crystal layer in VA liquid crystal display, increase the driving frequency of the power supply that driver provides, and make driver adopt this power drives VA liquid crystal display, the response speed of VA liquid crystal indicator can be improved, meanwhile, visible angle and the contrast of VA liquid crystal indicator can also be increased further;
2, the present invention is by where necessary, is provided for the backlight providing light source to this VA liquid crystal display, can realizes the display of image;
3, the present invention is by being applied in the dot matrix VA liquid crystal display on 16 to 240 tunnels by the VA liquid crystal indicator in the present invention, can improve the response speed of VA liquid crystal indicator further.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the theory diagram of the VA liquid crystal indicator that first embodiment of the invention provides;
Fig. 2 is the process flow diagram of the VA liquid crystal display method that second embodiment of the invention provides.
Embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment is only for instruction and explanation of the present invention, is not intended to limit the present invention.
In describing the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1 is the theory diagram of the VA liquid crystal indicator that first embodiment of the invention provides.As shown in Figure 1, this VA liquid crystal indicator can comprise: VA liquid crystal display and driver, this VA liquid crystal display can comprise the liquid crystal layer that thickness is 1.5 to 2.5 microns μm, and driver may be used for adopting driving frequency to be that the power supply of 150 hertz of more than Hz drives this VA liquid crystal display.
In the present embodiment, driver can adopt driving frequency to drive this VA liquid crystal display at the power supply of 150Hz to 400Hz.If desired, this VA liquid crystal indicator can also comprise backlight, for providing light source to this VA liquid crystal display, thus realizes the display of image.
In current VA liquid crystal indicator, the liquid crystal layer of VA liquid crystal display is generally more than 3.0 μm, and driver adopts driving frequency to be that the power supply of below 150Hz drives VA liquid crystal display usually.Following the present invention adopts three embodiments and current VA liquid crystal indicator to contrast.
Embodiment 1
In the present embodiment, the thickness of liquid crystal layer of VA liquid crystal display is 1.5 μm, and driver employing driving frequency is that the power supply of 150Hz drives VA liquid crystal display.From response time, visible angle and contrast three aspects, the present embodiment and current VA liquid crystal indicator are contrasted, concrete correlation data is as follows:
Contrast item | Embodiment 1 | Current VA liquid crystal indicator |
Response time | 33.1 | 65~91 |
Visible angle | Non-blind area | Blind area may be had |
Contrast | 270 | 154~180 |
Embodiment 2
In the present embodiment, the thickness of liquid crystal layer of VA liquid crystal display is 2.0 μm, and driver employing driving frequency is that the power supply of 220Hz drives VA liquid crystal display.From response time, visible angle and contrast three aspects, the present embodiment and current VA liquid crystal indicator are contrasted, concrete correlation data is as follows:
Contrast item | Embodiment 1 | Current VA liquid crystal indicator |
Response time | 32.2 | 65~91 |
Visible angle | Non-blind area | Blind area may be had |
Contrast | 282 | 154~180 |
Embodiment 3
In the present embodiment, the thickness of liquid crystal layer of VA liquid crystal display is 2.5 μm, and driver employing driving frequency is that the power supply of 400Hz drives VA liquid crystal display.From response time, visible angle and contrast three aspects, the present embodiment and current VA liquid crystal indicator are contrasted, concrete correlation data is as follows:
Contrast item | Embodiment 1 | Current VA liquid crystal indicator |
Response time | 35 | 65~91 |
Visible angle | Non-blind area | Blind area may be had |
Contrast | 281 | 154~180 |
As seen from the above-described embodiment, the present invention is by being decreased to 1.5 to 2.5 μm by the thickness of liquid crystal layer in VA liquid crystal display, and being used for of being provided by driver drives the driving frequency of the power supply of VA liquid crystal display to bring up to more than 150Hz, the response speed of VA liquid crystal indicator can be improved, meanwhile, visible angle and the contrast of VA liquid crystal indicator can also be increased further.
In addition, current VA liquid crystal indicator is usually only limited to and is applied in a segmentation VA liquid crystal display on below 16 tunnels, if be applied to by current VA liquid crystal indicator in the liquid crystal display of high way (being greater than 16 tunnels), then there is the shortcoming that response speed is poor.The present invention, by being applied in the dot matrix VA liquid crystal display on 16 to 240 tunnels by the VA liquid crystal indicator in the present embodiment, can improve the response speed of VA liquid crystal indicator further.
Corresponding with aforementioned VA liquid crystal indicator, present invention also offers a kind of VA liquid crystal display method.As shown in Figure 2, this VA liquid crystal display method can comprise the following steps:
The thickness of liquid crystal layer in step 201, reduction VA liquid crystal display.
In the present embodiment, in VA liquid crystal display, the thickness of liquid crystal layer can be reduced to any number in scope 1.5 to 2.5 μm.Such as, in VA liquid crystal display, the thickness of liquid crystal layer can be 1.5 μm, 2.0 μm and 2.5 μm etc.
The driving frequency of the power supply that step 202, increase driver provide.
In the present embodiment, the driving frequency of power supply that driver provides can be increased to more than 150Hz.In an optional implementation, the driving frequency of the power supply that driver provides can increase to any number in scope 150 to 400Hz.Such as, the driving frequency of power supply that driver provides can be 150Hz, 200Hz, 350Hz and 400Hz etc.
Step 203, driver adopt the above-mentioned VA liquid crystal display of above-mentioned power drives.
In the present embodiment, the power supply after driver can adopt driving frequency in step 202 to increase, drives the VA liquid crystal display after thickness of liquid crystal layer in step 101 reduces.Such as, driver can adopt driving frequency to be the power supply of 150Hz, drives thickness of liquid crystal layer to be the VA liquid crystal display of 1.5 μm; Driver can adopt driving frequency to be the power supply of 200Hz, drives thickness of liquid crystal layer to be the VA liquid crystal display of 2.0 μm; Driver can adopt driving frequency to be the power supply of 400Hz, drives thickness of liquid crystal layer to be the VA liquid crystal display of 2.5 μm.Even if it is to be noted that above-mentioned steps 201 and 202 exchange sequence also can not affect enforcement of the present invention.
As seen from the above-described embodiment, the present invention is by reducing the thickness of liquid crystal layer in VA liquid crystal display, and increase the driving frequency of the power supply that driver provides to VA liquid crystal display, the response speed of VA liquid crystal display can be improved, meanwhile, visible angle and the contrast of VA liquid crystal indicator can also be increased further.
In sum, the present invention has following technique effect:
1, the present invention is by reducing the thickness of liquid crystal layer in VA liquid crystal display, increase the driving frequency of the power supply that driver provides, and make driver adopt this power drives VA liquid crystal display, the response speed of VA liquid crystal indicator can be improved, meanwhile, visible angle and the contrast of VA liquid crystal indicator can also be increased further;
2, the present invention is by where necessary, is provided for the backlight providing light source to this VA liquid crystal display, can realizes the display of image;
3, the present invention is by being applied in the dot matrix VA liquid crystal display on 16 to 240 tunnels by the VA liquid crystal indicator in the present invention, can improve the response speed of VA liquid crystal indicator further.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although above to invention has been detailed description, the present invention is not limited thereto, those skilled in the art of the present technique can carry out various amendment according to principle of the present invention.Therefore, all amendments done according to the principle of the invention, all should be understood to fall into protection scope of the present invention.
Claims (8)
1. a vertical orientation VA liquid crystal indicator, it is characterized in that, comprise VA liquid crystal display and driver, described VA liquid crystal display comprises the liquid crystal layer that thickness is 1.5 to 2.5 microns μm, and described driver is that the power supply of 150 hertz of more than Hz drives described VA liquid crystal display for adopting driving frequency.
2. device according to claim 1, is characterized in that, described device also comprises backlight, for providing light source to described VA liquid crystal display.
3. device according to claim 1, is characterized in that, described driver is that the power supply of 150 to 400Hz drives described VA liquid crystal display for adopting driving frequency.
4. device as claimed in any of claims 1 to 3, is characterized in that, described VA liquid crystal display is the dot matrix VA liquid crystal display on 16 to 240 tunnels.
5. a VA liquid crystal display method, is characterized in that, comprising:
Reduce the thickness of liquid crystal layer in VA liquid crystal display;
Increase the driving frequency of the power supply that driver provides;
Described driver adopts VA liquid crystal display described in described power drives.
6. method according to claim 5, is characterized in that, in described reduction VA liquid crystal display, the thickness of liquid crystal layer comprises:
The thickness of liquid crystal layer in VA liquid crystal display is reduced to any number in scope 1.5 to 2.5 μm.
7. method according to claim 5, is characterized in that, the driving frequency of the power supply that described increase driver provides comprises:
The driving frequency of the power supply provided by driver is increased to more than 150Hz.
8. method according to claim 7, is characterized in that, the driving frequency of the described power supply provided by driver is increased to more than 150Hz and comprises:
The driving frequency of the power supply provided by driver increases to any number in scope 150 to 400Hz.
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CN201510741253.9A CN105334654A (en) | 2015-11-04 | 2015-11-04 | VA liquid crystal display device and method |
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CN201510741253.9A CN105334654A (en) | 2015-11-04 | 2015-11-04 | VA liquid crystal display device and method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017197928A1 (en) * | 2016-05-17 | 2017-11-23 | 京东方科技集团股份有限公司 | Display panel and display device |
CN109448661A (en) * | 2019-01-04 | 2019-03-08 | 深圳市华星光电技术有限公司 | Liquid crystal display device and its local dimming driving method |
WO2019184734A1 (en) * | 2018-03-27 | 2019-10-03 | 京东方科技集团股份有限公司 | Display device |
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CN101727855A (en) * | 2008-11-03 | 2010-06-09 | 上海天马微电子有限公司 | Display method of liquid crystal display device |
CN102540547A (en) * | 2010-12-10 | 2012-07-04 | 汕头超声显示器有限公司 | Field-sequential liquid crystal display |
CN103105691A (en) * | 2013-01-30 | 2013-05-15 | 江苏亿成光电科技有限公司 | Color vertical arrangement type liquid crystal display (LCD) |
CN103676343A (en) * | 2012-09-10 | 2014-03-26 | 苏州汉朗光电有限公司 | Constant frequency pressure regulating driving method for electronic control dimming medium |
CN205091523U (en) * | 2015-11-04 | 2016-03-16 | 重庆捷尔士显示技术有限公司 | VA liquid crystal disply device |
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2015
- 2015-11-04 CN CN201510741253.9A patent/CN105334654A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101727855A (en) * | 2008-11-03 | 2010-06-09 | 上海天马微电子有限公司 | Display method of liquid crystal display device |
CN102540547A (en) * | 2010-12-10 | 2012-07-04 | 汕头超声显示器有限公司 | Field-sequential liquid crystal display |
CN103676343A (en) * | 2012-09-10 | 2014-03-26 | 苏州汉朗光电有限公司 | Constant frequency pressure regulating driving method for electronic control dimming medium |
CN103105691A (en) * | 2013-01-30 | 2013-05-15 | 江苏亿成光电科技有限公司 | Color vertical arrangement type liquid crystal display (LCD) |
CN205091523U (en) * | 2015-11-04 | 2016-03-16 | 重庆捷尔士显示技术有限公司 | VA liquid crystal disply device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017197928A1 (en) * | 2016-05-17 | 2017-11-23 | 京东方科技集团股份有限公司 | Display panel and display device |
WO2019184734A1 (en) * | 2018-03-27 | 2019-10-03 | 京东方科技集团股份有限公司 | Display device |
CN109448661A (en) * | 2019-01-04 | 2019-03-08 | 深圳市华星光电技术有限公司 | Liquid crystal display device and its local dimming driving method |
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Application publication date: 20160217 |