CN113885263A - Liquid crystal panel pixel control method, liquid crystal panel and display - Google Patents
Liquid crystal panel pixel control method, liquid crystal panel and display Download PDFInfo
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- CN113885263A CN113885263A CN202111225551.4A CN202111225551A CN113885263A CN 113885263 A CN113885263 A CN 113885263A CN 202111225551 A CN202111225551 A CN 202111225551A CN 113885263 A CN113885263 A CN 113885263A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000000007 visual effect Effects 0.000 claims abstract description 4
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 claims description 12
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 claims description 12
- 102100021133 Nuclear protein 1 Human genes 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 102100028007 Cystatin-SA Human genes 0.000 description 1
- 102100038387 Cystatin-SN Human genes 0.000 description 1
- 101000722958 Homo sapiens Cystatin-SA Proteins 0.000 description 1
- 101000884768 Homo sapiens Cystatin-SN Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136213—Storage capacitors associated with the pixel electrode
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention belongs to the field of semiconductors, and discloses a pixel control method of a liquid crystal panel, wherein a pixel is provided with at least two sub-pixels, each sub-pixel is provided with a storage capacitor, each storage capacitor is provided with a first end and a second end, and the first end of each storage capacitor is connected with a charging capacitor of the sub-pixel; utilize adjacent sub-pixel voltage difference of charging for adjacent sub-pixel liquid crystal inclination is different, reaches the effect of the visual angle of mutual compensation, its characterized in that: at least two control lines for connecting the storage capacitors of adjacent sub-pixels to different control lines; the difference of the voltage difference or the time sequence difference of different control lines is controlled, so that the charging voltages of adjacent sub-pixels are different, and multi-domain display is realized. In conclusion, the invention has the advantages of low cost, long service life, new thought and better adjustability.
Description
Technical Field
The invention belongs to the field of liquid crystal panels, and particularly relates to a liquid crystal panel pixel control method, a liquid crystal panel and a display.
Background
In the pixel design, a large-size panel often adopts a mode of resistance voltage division or coupling capacitance to enable the pixel to show an 8-domain and 16-domain effect, the resistance is an aging-prone component, the service life of the panel is easily affected, and there is room for improvement.
The pixel division formation of 8-domain and 16-domain is mainly controlled by the TFT, and the size of the TFT is limited due to the limitation of the design space, so the degree of adjustability of the division ratio of the main pixel (Mainpixel) and the sub-pixel (Subpixel) is limited, and there is room for improvement. The side viewing angles of 8-domain and 16-domain products are limited, the side viewing of 70-inch products is white, and the improvement space exists.
Disclosure of Invention
In order to solve the above problems, the present invention proposes the following technical solutions, specifically:
the pixel control method of the liquid crystal panel comprises the steps that a pixel is provided with at least two sub-pixels, each sub-pixel is provided with a storage capacitor, each storage capacitor is provided with a first end and a second end, and the first ends of the storage capacitors are connected with charging capacitors of the sub-pixels; utilize adjacent sub-pixel voltage difference of charging for adjacent sub-pixel liquid crystal inclination is different, reaches the effect of the visual angle of mutual compensation, its characterized in that: at least two control lines for connecting the storage capacitors of adjacent sub-pixels to different control lines; the difference of the voltage difference or the time sequence difference of different control lines is controlled, so that the charging voltages of adjacent sub-pixels are different, and multi-domain display is realized.
Further: having scan lines GD1, GD2 and data lines SD1, SD2, SD 3:
the method for realizing the charging voltage difference of the adjacent sub-pixels is as follows:
two circuit lines are arranged and named as a first control line T _ COM1 and a second control line T _ COM 2;
the second ends of the storage capacitors of the partial sub-pixels are connected with a first control line T _ COM1 and named as a first-type sub-pixel;
the second ends of the storage capacitors of the partial sub-pixels are connected with a second control line T _ COM2 and named as a second type sub-pixel;
in the direction of the scanning lines GD1 and GD2, the first type of sub-pixels and the second type of sub-pixels are arranged alternately;
in the moving direction of the data lines SD1, SD2 and SD3, the first type sub-pixels and the second type sub-pixels are arranged alternately;
the first control line T _ COM1 and the second control line T _ COM2 are made to be different in voltage or timing, thereby achieving a difference in charging voltage of adjacent sub-pixels.
Further: within a pixel, the number of sub-pixels is 3.
Further: the pixel includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
Further: the arrangement of the sub-pixels within all pixels in the color ordering is uniform.
The liquid crystal panel has a multi-domain display effect, and each pixel is controlled by using the liquid crystal panel pixel control method to achieve the multi-domain display effect.
The display is provided with a panel, and the panel is the liquid crystal panel.
The technical principle is as follows:
the most obvious difference between the present invention and the prior art is that the charging voltage of the sub-pixel is adjusted by coupling the control voltage from the storage capacitor of the sub-pixel to the charging capacitor of the sub-pixel, so that the charging voltages of the adjacent sub-pixels are different, and multi-domain display is realized.
Has the advantages that:
1. compared with the prior art, the invention reduces the use of components and saves the cost.
2. The invention provides a new technical idea for controlling the charging voltage of the sub-pixel.
3. In the prior art, the resistance is adopted to control the pressure difference of the sub-pixels to realize multi-domain display, and the resistance is a device with higher aging speed, so that the service life of the liquid crystal panel is influenced.
4. The invention has little modification to the circuit and low modification cost.
5. The sub-pixel has the advantages of wider adjustment range and better adjustability of the charging voltage.
6. The invention does not use extra capacitor or resistor to control the differential pressure, thus saving components.
In conclusion, the invention has the advantages of low cost, long service life, new thought and better adjustability.
Drawings
Fig. 1 is a circuit diagram of an embodiment 1 of the invention, in which T _ Driver is a driving module of a first control line T _ COM1 and a second control line T _ COM2, CST1 is a storage capacitor connected to the first control line T _ COM1, CST2 is a storage capacitor connected to the first control line T _ COM2, and CL is a charging capacitor; c _ com is a common line of the charging capacitors of the sub-pixels; r represents that the color of the sub-pixel is red, G represents that the color of the sub-pixel is green, and B represents that the color of the sub-pixel is blue.
Fig. 2 is a waveform diagram of the circuits of fig. 1 according to the present invention.
Fig. 3 is a waveform diagram of each line of embodiment 2 of the present invention.
Detailed Description
Example 1
As shown in fig. 1 and fig. 2, in the pixel control method of the liquid crystal panel, the sub-pixel has a storage capacitor, the storage capacitor has a first end and a second end, and the first end of the storage capacitor is connected to the charging capacitor of the sub-pixel; utilize adjacent sub-pixel voltage difference of charging for adjacent sub-pixel liquid crystal inclination is different, reaches the effect of the visual angle of mutual compensation, its characterized in that: at least two control lines for connecting the storage capacitors of adjacent sub-pixels to different control lines; the difference of the voltage difference or the time sequence difference of different control lines is controlled, so that the charging voltages of adjacent sub-pixels are different, and multi-domain display is realized.
Having scan lines GD1, GD2 and data lines SD1, SD2, SD 3:
the method for realizing the charging voltage difference of the adjacent sub-pixels is as follows:
two circuit lines are arranged and named as a first control line T _ COM1 and a second control line T _ COM 2;
the second ends of the storage capacitors of the partial sub-pixels are connected with a first control line T _ COM1 and named as a first-type sub-pixel;
the second ends of the storage capacitors of the partial sub-pixels are connected with a second control line T _ COM2 and named as a second type sub-pixel;
in the direction of the scanning lines GD1 and GD2, the first type of sub-pixels and the second type of sub-pixels are arranged alternately;
in the moving direction of the data lines SD1, SD2 and SD3, the first type sub-pixels and the second type sub-pixels are arranged alternately;
the first control line T _ COM1 and the second control line T _ COM2 are made to have different voltages, thereby achieving different charging voltages of adjacent sub-pixels.
Within a pixel, the number of sub-pixels is 3.
In the pixel, the color of the sub-pixel is red, green and blue.
The arrangement of the sub-pixels within all pixels in the color ordering is uniform.
Example 2
As shown in fig. 1 and 3, unlike embodiment 1, the charging voltage is changed by shifting the timings of the first control line T _ COM1 and the second control line T _ COM2 so that the charging start times of the charging voltages of the sub-pixels are different.
Example 3
The liquid crystal panel has a multi-domain display effect, and each pixel is controlled by using the liquid crystal panel pixel control method described in embodiment 1 or embodiment 2, so that the multi-domain display effect is achieved.
Example 4
A display having a panel, the panel being the liquid crystal panel described in embodiment 3.
Claims (7)
1. The pixel control method of the liquid crystal panel comprises the steps that a pixel is provided with at least two sub-pixels, each sub-pixel is provided with a storage capacitor, each storage capacitor is provided with a first end and a second end, and the first ends of the storage capacitors are connected with charging capacitors of the sub-pixels; utilize adjacent sub-pixel voltage difference of charging for adjacent sub-pixel liquid crystal inclination is different, reaches the effect of the visual angle of mutual compensation, its characterized in that: at least two control lines for connecting the storage capacitors of adjacent sub-pixels to different control lines; the difference of the voltage difference or the time sequence difference of different control lines is controlled, so that the charging voltages of adjacent sub-pixels are different, and multi-domain display is realized.
2. The liquid crystal panel pixel control method of claim 1, having scan lines (GD1, GD2) and data lines (SD1, SD2, SD3), characterized in that:
the method for realizing the charging voltage difference of the adjacent sub-pixels is as follows:
two circuit lines are arranged and named as a first control line (T _ COM1) and a second control line (T _ COM 2);
the second ends of the storage capacitors of the partial sub-pixels are connected with a first control line (T _ COM1) and named as a first type sub-pixel;
the second ends of the storage capacitors of the partial sub-pixels are connected with a second control line (T _ COM2) and named as a second type sub-pixel;
in the direction of the scanning lines (GD1, GD2), the first type sub-pixels and the second type sub-pixels are arranged alternately;
in the moving direction of the data lines (SD1, SD2 and SD3), the first type of sub-pixels and the second type of sub-pixels are arranged alternately;
the first control line T _ COM1 and the second control line T _ COM2 are made to be different in voltage or timing, thereby achieving a difference in charging voltage of adjacent sub-pixels.
3. The liquid crystal panel pixel control method of claim 2, characterized in that: within a pixel, the number of sub-pixels is 3.
4. The liquid crystal panel pixel control method of claim 2, characterized in that: the pixel includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
5. The liquid crystal panel pixel control method of claim 2, characterized in that: the arrangement of the sub-pixels within all pixels in the color ordering is uniform.
6. The liquid crystal display panel has a multi-domain display effect, and is characterized in that: the method of claim 1 is used to control each pixel to achieve multi-domain display effect.
7. A display having a panel, characterized in that: the panel is the liquid crystal panel according to claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111225551.4A CN113885263A (en) | 2021-10-21 | 2021-10-21 | Liquid crystal panel pixel control method, liquid crystal panel and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111225551.4A CN113885263A (en) | 2021-10-21 | 2021-10-21 | Liquid crystal panel pixel control method, liquid crystal panel and display |
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| CN113885263A true CN113885263A (en) | 2022-01-04 |
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| CN202111225551.4A Pending CN113885263A (en) | 2021-10-21 | 2021-10-21 | Liquid crystal panel pixel control method, liquid crystal panel and display |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668613A (en) * | 1995-05-31 | 1997-09-16 | Samsung Electronics Co., Ltd. | Liquid crystal display with a plurality of contiguous pixels or pixel groups with the same or different storage capacitances |
| CN1469175A (en) * | 2002-06-17 | 2004-01-21 | 夏普公司 | Liquid crystal display device |
| TW200723205A (en) * | 2005-12-09 | 2007-06-16 | Innolux Display Corp | Driving circuit for liquid crystal display panel and liquid crystal display |
| CN101290438A (en) * | 2007-04-20 | 2008-10-22 | 群康科技(深圳)有限公司 | LCD device |
| CN101349846A (en) * | 2008-09-05 | 2009-01-21 | 上海广电光电子有限公司 | Multi-domain LCD device and drive method threof |
| CN104992681A (en) * | 2015-07-03 | 2015-10-21 | 武汉华星光电技术有限公司 | Display panel and pixel circuit for display panel |
| US20190011785A1 (en) * | 2016-09-18 | 2019-01-10 | Boe Technology Group Co., Ltd. | Array substrate and display device |
-
2021
- 2021-10-21 CN CN202111225551.4A patent/CN113885263A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668613A (en) * | 1995-05-31 | 1997-09-16 | Samsung Electronics Co., Ltd. | Liquid crystal display with a plurality of contiguous pixels or pixel groups with the same or different storage capacitances |
| CN1469175A (en) * | 2002-06-17 | 2004-01-21 | 夏普公司 | Liquid crystal display device |
| TW200723205A (en) * | 2005-12-09 | 2007-06-16 | Innolux Display Corp | Driving circuit for liquid crystal display panel and liquid crystal display |
| CN101290438A (en) * | 2007-04-20 | 2008-10-22 | 群康科技(深圳)有限公司 | LCD device |
| CN101349846A (en) * | 2008-09-05 | 2009-01-21 | 上海广电光电子有限公司 | Multi-domain LCD device and drive method threof |
| CN104992681A (en) * | 2015-07-03 | 2015-10-21 | 武汉华星光电技术有限公司 | Display panel and pixel circuit for display panel |
| US20190011785A1 (en) * | 2016-09-18 | 2019-01-10 | Boe Technology Group Co., Ltd. | Array substrate and display device |
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