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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 PDF

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Publication number
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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CN
China
Prior art keywords
sub
pixels
pixel
liquid crystal
crystal panel
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Pending
Application number
CN202111225551.4A
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Chinese (zh)
Inventor
白景瑶
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Zhejiang Taijia Photoelectric Technology Co ltd
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Zhejiang Taijia Photoelectric Technology Co ltd
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Priority to CN202111225551.4A priority Critical patent/CN113885263A/en
Publication of CN113885263A publication Critical patent/CN113885263A/en
Pending legal-status Critical Current

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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
    • 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
    • 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

Liquid crystal panel pixel control method, liquid crystal panel and display
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.液晶面板像素控制方法，像素具有至少两个子像素，子像素具有储存电容，储存电容具有第一端和第二端，储存电容的第一端与子像素的充电电容相连；利用相邻子像素充电电压差异，使得相邻子像素液晶倾斜角度不同，达到互相补偿的视角的效果，其特征在于：具有至少两条控制线，将相邻的子像素的储存电容连接到不同的控制线上；通过控制不同的控制线电压差异或时序差异，从而使得相邻的子像素的充电电压存在差异，进而实现多畴显示。1. A liquid crystal panel pixel control method, the pixel has at least two sub-pixels, 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; The difference in the charging voltage of the pixels makes the liquid crystal tilt angles of the adjacent sub-pixels different to achieve the effect of mutually compensating viewing angles. It is characterized in that there are at least two control lines that connect the storage capacitors of the adjacent sub-pixels to different control lines. ; By controlling the voltage difference or timing difference of different control lines, there is a difference in the charging voltage of adjacent sub-pixels, thereby realizing multi-domain display. 2.如权利要求1所述的液晶面板像素控制方法，具有扫描线(GD1、GD2)和数据线(SD1、SD2、SD3)，其特征在于：2. The liquid crystal panel pixel control method as claimed in claim 1, having scan lines (GD1, GD2) and data lines (SD1, SD2, SD3), characterized in that: 实现相邻子像素的充电电压不同的方法如下：The method to achieve different charging voltages of adjacent sub-pixels is as follows: 设置两条电路线，命名为第一控制线(T_COM1)和第二控制线(T_COM2)；Set up two circuit lines, named as the first control line (T_COM1) and the second control line (T_COM2); 部分子像素的储存电容的第二端与第一控制线(T_COM1)相连，命名为第一类子像素；The second ends of the storage capacitors of some sub-pixels are connected to the first control line (T_COM1), and are named as the first type of sub-pixels; 部分子像素的储存电容的第二端与第二控制线(T_COM2)相连，命名为第二类子像素；The second ends of the storage capacitors of some sub-pixels are connected to the second control line (T_COM2), and are named as the second type of sub-pixels; 在扫描线(GD1、GD2)走向方向上，第一类子像素与第二类子像素相间排列；In the direction of the scanning lines (GD1, GD2), the first type of sub-pixels and the second type of sub-pixels are alternately arranged; 在数据线(SD1、SD2、SD3)走向方向上，第一类子像素与第二类子像素相间排列；In the direction of the data lines (SD1, SD2, SD3), the first type of sub-pixels and the second type of sub-pixels are alternately arranged; 使得第一控制线T_COM1和第二控制线T_COM2，二者电压或时序不同，从而实现相邻子像素的充电电压不同。The first control line T_COM1 and the second control line T_COM2 are made to have different voltages or timings, so that the charging voltages of adjacent sub-pixels are different. 3.如权利要求2所述的液晶面板像素控制方法，其特征在于：像素内，子像素的数量为3。3 . The pixel control method of a liquid crystal panel according to claim 2 , wherein the number of sub-pixels in the pixel is three. 4 . 4.如权利要求2所述的液晶面板像素控制方法，其特征在于：像素包括红色的子像素、绿色的子像素和蓝色的子像素。4 . The pixel control method of a liquid crystal panel according to claim 2 , wherein the pixels comprise red sub-pixels, green sub-pixels and blue sub-pixels. 5 . 5.如权利要求2所述的液晶面板像素控制方法，其特征在于：所有像素内的子像素的按颜色排序的排列方式一致。5 . The pixel control method of a liquid crystal panel according to claim 2 , wherein the sub-pixels in all the pixels are arranged in the same manner in order of color. 6 . 6.液晶面板，具有多畴显示效果，其特征在于：利用权利要求1所述的液晶面板像素控制方法控制各个像素，达成多畴显示效果。6. A liquid crystal panel with a multi-domain display effect, characterized in that: each pixel is controlled by the pixel control method of the liquid crystal panel according to claim 1, so as to achieve a multi-domain display effect. 7.显示器，具有面板，其特征在于：面板为权利要求6所述的液晶面板。7. A display having a panel, wherein the panel is the liquid crystal panel according to claim 6.
CN202111225551.4A 2021-10-21 2021-10-21 Liquid crystal panel pixel control method, liquid crystal panel and display Pending CN113885263A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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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Application publication date: 20220104