WO2016086520A1 - 一种液晶显示面板和显示装置 - Google Patents
一种液晶显示面板和显示装置 Download PDFInfo
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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
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134336—Matrix
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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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/52—RGB geometrical arrangements
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0404—Matrix technologies
- G09G2300/0413—Details of dummy pixels or dummy lines in flat panels
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
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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
- G09G3/3614—Control of polarity reversal in general
Definitions
- the present invention relates to the field of display technologies, and in particular to a liquid crystal display panel and a display device.
- left and right adjacent sub-pixels of a half source driving (HSD) pixel array share one data line, for example, a second sub-pixel of a first pixel unit row.
- the third sub-pixel shares the data line D2, and the fourth sub-pixel and the fifth sub-pixel share the data line D3.
- the number of data lines is reduced by half relative to the number of data lines of a conventional liquid crystal driven pixel array.
- the adjacent sub-pixels of the same row are connected to different gate lines, and the two sub-pixels separated by one sub-pixel in the same row are connected to the same gate line, for example, the second sub-pixel and the fourth sub-pixel connection gate line of the first pixel unit row.
- the third sub-pixel and the fifth sub-pixel are connected to the gate line G2.
- the adjacent sub-pixels are connected to different gate lines.
- the driving method in which the data signal is inverted at two points is taken as an example.
- the correspondence between the data signal and the driving signal of the gate line is as shown in FIG. 2 . Since the number of gate lines is doubled, the scan time allocated to the gate lines is reduced, so that the charging time of the sub-pixels is reduced.
- a high-level signal of a normal data line needs to simultaneously charge two columns of sub-pixels located on both sides of the data line, and two sub-pixel driving times are caused by different gate lines of two columns of sub-pixel connections. There are successive. That is, the first half of the high level signal is the sub-pixel charging of the odd column, and the second half of the time is the sub-pixel charging of the even column.
- the inventors have found that since the data line has a certain impedance, the data signal will cause delay distortion of the waveform during transmission, resulting in distortion of the data signal, both for the even data line and the odd data line.
- the ideal waveform of the data signal should be a rectangular wave (shown by a broken line in FIG. 2).
- the data signal rises slowly during the first half of a waveform until the data signal reaches its predetermined voltage value during the second half of the same waveform. This causes the sub-pixel charge amount driven by the even-numbered gate lines in the first half of the corresponding waveform to be lower than the sub-pixels driven by the even-numbered gate lines in the second half of the corresponding waveform.
- the sub-pixels driven by the even gate lines are in the same column, and the sub-pixels driven by the odd gate lines are in the same column. Therefore, the HSD pixel array as a whole appears to produce a bright dark line.
- a first aspect of the present invention provides a liquid crystal display panel including a plurality of pixel units arranged in an array, each pixel unit including at least three sub-pixels, and each sub-pixel in the same pixel unit is different in color ;
- the luminances of the sub-pixels of the same color are the same when the gray levels are the same.
- the sub-pixels of the same color are located in different columns.
- the second pixel unit row is shifted to the right by one sub-pixel distance from the first pixel unit row.
- the first sub-pixel on the left side of the second pixel unit row is an empty sub-pixel.
- first sub-pixel on the right side of the first pixel unit row is an empty sub-pixel
- first sub-pixel on the left side of the second pixel unit row is an empty sub-pixel
- the second pixel unit row is shifted to the right by one sub-pixel position relative to the first pixel unit row
- the third pixel unit row is shifted to the right by one sub-pixel row relative to the second pixel unit row. The location of the pixel.
- the left side of the first pixel unit row has no empty sub-pixel
- the first sub-pixel on the left side of the second pixel unit row is an empty sub-pixel
- the first sub-pixel and the second side of the left side of the third pixel unit row Each sub-pixel is an empty sub-pixel.
- first sub-pixel and the second sub-pixel on the right side of the first pixel unit row are empty sub-pixels
- the first sub-pixel on the right side of the second pixel unit row is an empty sub-pixel
- the third pixel unit There are no empty subpixels on the right side of the line.
- the color of the sub-pixels in the same pixel unit is red, green, and blue from left to right.
- a liquid crystal display panel is provided.
- the brightness of the sub-pixels of the same color is the same when the gray levels are the same. Therefore, the light emitted by the sub-pixels of the same color and different brightness among the two adjacent pixel units can be complementary.
- the liquid crystal display panel emits light uniformly, and does not cause defects of bright and dark lines, thereby improving the user experience.
- a second aspect of the present invention provides a display device including the above liquid crystal display panel.
- FIG. 1 is a schematic structural view of a liquid crystal display panel provided by the prior art
- FIG. 2 is a driving waveform diagram of a liquid crystal display panel
- Figure 3 is a charging effect diagram of Figure 1;
- FIG. 4 is a schematic structural view 1 of a liquid crystal display panel in an embodiment of the present invention.
- Figure 5 is a charging effect diagram of Figure 4.
- FIG. 6 is a schematic structural view 2 of a liquid crystal display panel in an embodiment of the present invention.
- Fig. 7 is a charging effect diagram of Fig. 6.
- a liquid crystal display panel including a plurality of pixel units 1 arranged in an array, each pixel unit includes at least three sub-pixels, and each sub-pixel in the same pixel unit has a different color; In the two pixel units 1 adjacent to each other, the luminances of the sub-pixels of the same color are the same when the gray levels are the same.
- a liquid crystal display panel is provided.
- the brightness of the sub-pixels of the same color is the same when the gray levels are the same. Therefore, the light emitted by the sub-pixels of the same color and different brightness among the two adjacent pixel units can be complementary.
- the liquid crystal display panel emits light uniformly, and does not cause defects of bright and dark lines, thereby improving the user experience.
- the sub-pixels of the same color may be located in different columns in the two pixel units adjacent to each other.
- each pixel unit 1 includes three sub-pixels. In order to facilitate the distinction between three The sub-pixels are filled with different graphics in Figure 4. And by default, each pixel unit 1 includes a first color sub-pixel 11, a second color sub-pixel 12, and a third color sub-pixel 13 in order from left to right.
- adjacent two pixel unit rows are shifted from each other by a sub-pixel position.
- the first color sub-pixel 11 of the second row is in the same column as the second color sub-pixel 12 of the first row
- the second color sub-pixel 12 of the second row is in the same column as the third color sub-pixel 13 of the first row.
- the third color sub-pixel 13 of the second row is in the same column as the first color sub-pixel 11 of the other pixel unit 1 of the first row.
- the second column of sub-pixels and the fourth column of sub-pixels in FIG. 4 are insufficiently charged, and the brightness is low; and the third column of sub-pixels between the second column of sub-pixels and the fourth column of sub-pixels The charge is sufficient and the brightness is high.
- the second column of sub-pixels having lower brightness includes both the second color sub-pixel 12 and the first color sub-pixel 11
- the third column sub-pixel includes the third color sub-pixel 13 and the second color sub-pixel 12
- the fourth column The pixel includes both the first color sub-pixel 11 and the third color sub-pixel 13 .
- the second color sub-pixel 12 of the second column of sub-pixels has higher brightness, and can be neutralized with the light emitted by the second color sub-pixel 12 of the third column of sub-pixels having a lower brightness; similarly, The light is neutralized by the third color sub-pixel 13 of the three columns of sub-pixels and the third color sub-pixel 13 of the fourth column of sub-pixels; the first color sub-pixel 11 of the fourth column of sub-pixels and the next column of the first column The light emitted by one color sub-pixel 11 is neutralized. At this time, the lights of the respective colors emitted from the two adjacent pixel units 1 are neutralized with each other, so that the liquid crystal display panel as a whole exhibits good brightness uniformity.
- the light of each color emitted by the two adjacent pixel units 1 can be neutralized with each other.
- the light of each color emitted by the two adjacent pixel units 1 can also be Reciprocal with each other.
- the first pixel sub-pixel 11 is driven by an even-numbered gate line (G2) with a higher luminance; and the second first color sub-pixel 11 is composed of an odd-numbered gate line. G1) Drive, its brightness is low. Therefore, the light emitted by the first first color sub-pixel 11 and the second first color sub-pixel 11 can be neutralized with each other.
- the light of each color emitted by the two pixel units 1 adjacent to each other up and down and left and right can be neutralized with each other, so that the entire liquid crystal display panel has uniform light emission for the user, does not have defects of bright dark lines, and has a good display effect.
- the following structure may be adopted: in a continuous two-pixel unit behavior period, the left side of the first pixel unit row has no empty sub-pixel 2 The first sub-pixel on the left side of the second pixel unit row is an empty sub-pixel 2.
- the so-called empty sub-pixel 2 that is, the sub-pixel whose output amount is always zero, which is not affected by the signal transmitted by the gate line and the data line.
- the first sub-pixel on the left side can be darkened every one line. That is, using a soldering process
- the line or gate is electrically connected to the pixel electrode of the sub-pixel, and the pixel voltage is forced to rotate the liquid crystal such that the sub-pixel is always darkened.
- the empty sub-pixel does not participate in the adjustment of the light emitted by the backlight, in order to facilitate the production of the color filter substrate in the liquid crystal display panel, the corresponding color sub-pixel 2 is also provided with a color filter layer. Therefore, it is only necessary to pay attention to the color of the color filter layer of the empty sub-pixel 2, so as to ensure that the sub-pixels of the same color are located in different columns in the two pixel units 1 adjacent to each other.
- the color filter layer of the empty sub-pixel 2 of the second pixel unit row is identical to the third color sub-pixel 13, and adjacent to the first color sub-pixel 11, so that the second line is the leftmost
- the first color sub-pixel 11 in the pixel unit 1 on the side is shifted from the first color sub-pixel 11 in the leftmost pixel unit 1 of the first row, and is located in a different column.
- the first sub-pixel on the right side of the first pixel unit row is the empty sub-pixel 2
- the right side of the second pixel unit row has no empty sub-pixel. Having the empty sub-pixel 2 on the right side of the first pixel unit row not only makes the number of sub-pixels in each row of the entire liquid crystal display panel equal, but also makes the number of sub-pixels participating in each row equal to be equal, which is favorable for the liquid crystal display. Production and production of panels.
- the second pixel unit row is shifted to the right by one sub-pixel position relative to the first pixel unit row, and the third pixel unit row is rightward relative to the second pixel unit row. Stagger a sub-pixel position.
- the brightness of adjacent two columns of sub-pixels is different.
- the charging effect is as shown in FIG.
- the structure shown in FIG. 6 is such that the sub-pixels of the same color up and down are in the same period, that is, in the continuous three-pixel unit row, and the brightness is a change of light-dark-light or dark-light-dark.
- the structure shown in FIG. 6 can also neutralize the display effect of sub-pixels of the same color and emitting different brightness.
- the left side of the first pixel unit row has no empty sub-pixel 2
- the first sub-pixel on the left side of the second pixel unit row is an empty sub-pixel 2
- the first sub-pixel and the second left side of the third pixel unit row are all empty sub-pixels 2.
- first sub-pixel and the second sub-pixel on the right side of the first pixel unit row are empty sub-pixels 2
- the first sub-pixel on the right side of the second pixel unit row is an empty sub-pixel 2
- third There is no empty subpixel 2 on the right side of the row of pixel cells.
- the method of setting the empty sub-image 2 for different rows and different times may be performed when the sub-pixel gray levels of the same color are the same in two pixel units adjacent to each other.
- the brightness is different.
- up to two empty sub-pixels 2 can be set. Otherwise, the display screen of the liquid crystal display panel will be distorted, which reduces the user experience.
- the colors of the sub-pixels in the same pixel unit are red, green, and blue from left to right.
- the pixel unit including the red, green and blue sub-pixels is a mature and most widely used pixel unit structure, which is advantageous for reducing the manufacturing cost and the application range of the present invention.
- the embodiment of the invention further discloses a display device, which comprises the above liquid crystal display panel.
- the display device can be a display device such as a liquid crystal television, a liquid crystal display, a mobile phone, or a tablet computer.
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Abstract
一种液晶显示面板,包括多个阵列排布的像素单元(1),每个像素单元(1)包括至少三个亚像素(11,12,13),且同一像素单元(1)中的每个亚像素(11,12,13)颜色不同;上下相邻的两个像素单元(1)中,相同颜色的亚像素(11,12,13)灰阶相同时亮度不同。
Description
本申请要求享有2014年12月2日提交的名称为“一种液晶显示面板和显示装置”的中国专利申请CN201410722723.2的优先权,其全部内容通过引用并入本文中。
本发明涉及显示技术领域,具体地说,涉及一种液晶显示面板和显示装置。
现有技术中,如图1所示,半源极驱动(Half Source Driving,简称HSD)像素阵列的左右相邻的亚像素共用一条数据线,例如第一像素单元行的第二个亚像素和第三个亚像素共用数据线D2,第四个亚像素和第五个亚像素共用数据线D3。使得数据线的数目相对于传统液晶驱动像素阵列的数据线数目减半。同一行相邻的亚像素连接不同的栅线,同一行相隔一个亚像素的两亚像素连接相同的栅线,例如第一像素单元行的第二个亚像素和第四个亚像素连接栅线G1,第三个亚像素和第五个亚像素连接栅线G2。从而使得上下相邻的亚像素连接不同的栅线。这样的排列方式导致栅线的数目相对于传统驱动像素阵列的栅线数目加倍。
在HSD像素阵列中,以数据信号为两点反转的驱动方式为例进行说明,此时数据信号和栅线的驱动信号的对应情况如图2所示。由于栅线数目的加倍使得分配到栅线上的扫描时间减少,从而亚像素的充电时间减少。如图3所示,通常数据线的一个高电平信号需要同时对位于数据线两侧的两列亚像素进行充电,且由于两列亚像素连接的栅线不同,使得两个亚像素驱动时间有先后。即高电平信号的前半时间为奇数列的亚像素充电,后半时间为偶数列的亚像素充电。
发明人发现,由于数据线具有一定的阻抗,数据信号在传输过程中会造成波形的延迟失真,导致数据信号的失真,对于偶数数据线和奇数数据线皆是。具体的,如图2所示,数据信号的理想波形应为矩形波(如图2中的虚线所示)。但是由于延迟失真的影响,数据信号在一个波形的前半时间内是缓慢上升的,直至同一波形的后半时间,数据信号才能达到其预定的电压值。这样导致对应波形前半时间的、由偶数行栅线驱动的亚像素充电量低于对应波形后半时间的、由偶数行栅线驱动的亚像素。导致先驱动的亚像素充电不足,
亮度较低;相对而言,后驱动的亚像素充电较好,亮度较高。并且结合图1和图2可知,偶数栅线驱动的亚像素位于同一列,奇数栅线驱动的亚像素位于同一列。因此,HSD像素阵列整体看来会产生亮暗线。
基于上述情况,亟需一种改善HSD像素阵列亮暗线显示缺陷的显示面板。
发明内容
本发明的目的在于提供一种液晶显示面板和显示装置,以解决HSD像素阵列亮暗线显示缺陷的技术问题。
本发明第一方面提供了一种液晶显示面板,该液晶显示面板包括多个阵列排布的像素单元,每个像素单元包括至少三个亚像素,且同一像素单元中的每个亚像素颜色不同;
其中,上下相邻的两个像素单元中,相同颜色的亚像素灰阶相同时亮度不同。
进一步的,上下相邻的两个像素单元中,相同颜色的亚像素位于不同列。
进一步的,以连续的两像素单元行为周期,第二像素单元行相对于第一像素单元行向右错开一个亚像素的距离。
进一步的,第一像素单元行的左侧无空亚像素,第二像素单元行的左侧第一个亚像素为空亚像素。
进一步的,第一像素单元行的右侧第一个亚像素为空亚像素,第二像素单元行的左侧第一个亚像素为空亚像素。
进一步的,以连续的三像素单元行为周期,第二像素单元行相对于第一像素单元行向右错开一个亚像素的位置,第三像素单元行相对于第二像素单元行向右错开一个亚像素的位置。
进一步的,第一像素单元行的左侧无空亚像素,第二像素单元行的左侧第一个亚像素为空亚像素,第三像素单元行的左侧第一个亚像素和第二个亚像素均为空亚像素。
进一步的,第一像素单元行的右侧第一个亚像素和第二个亚像素均为空亚像素,第二像素单元行的右侧第一个亚像素为空亚像素,第三像素单元行的右侧无空亚像素。
进一步的,同一像素单元中的亚像素的颜色自左向右依次为红色、绿色和蓝色。
本发明带来了以下有益效果:在本发明实施例中,提供了一种液晶显示面板,该显示面板的上下相邻的两个像素单元中,相同颜色的亚像素灰阶相同时亮度不同。因此,上下相邻的两个像素单元中颜色相同的、亮度不同的亚像素发出的光可互补。整体上看,该液晶显示面板出光均匀,不会产生亮暗线的缺陷,从而提高了用户的使用体验。
本发明第二方面提供了一种显示装置,该显示装置包括上述的液晶显示面板。
本发明的其它特征和优点将在随后的说明书中阐述,并且,部分地从说明书中变得显而易见,或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要的附图做简单的介绍:
图1是现有技术提供的液晶显示面板的结构示意图;
图2是液晶显示面板的驱动波形图;
图3是图1的充电效果图;
图4是本发明实施例中的液晶显示面板的结构示意图一;
图5是图4的充电效果图;
图6是本发明实施例中的液晶显示面板的结构示意图二;
图7是图6的充电效果图。
以下将结合附图及实施例来详细说明本发明的实施方式,借此对本发明如何应用技术手段来解决技术问题,并达成技术效果的实现过程能充分理解并据以实施。需要说明的是,只要不构成冲突,本发明中的各个实施例以及各实施例中的各个特征可以相互结合,所形成的技术方案均在本发明的保护范围之内。
本实施例中提供了一种液晶显示面板,包括多个阵列排布的像素单元1,每个像素单元包括至少三个亚像素,且同一像素单元中的每个亚像素的颜色不同;其中,上下相邻的两个像素单元1中,相同颜色的亚像素灰阶相同时亮度不同。
在本发明实施例中,提供了一种液晶显示面板,该显示面板的上下相邻的两个像素单元中,相同颜色的亚像素灰阶相同时亮度不同。因此,上下相邻的两个像素单元中颜色相同的、亮度不同的亚像素发出的光可互补。整体上看,该液晶显示面板出光均匀,不会产生亮暗线的缺陷,从而提高了用户的使用体验。
进一步的,为了使得该液晶显示面板能够克服亮暗线的缺陷,在本发明实施例中,可令上下相邻的两个像素单元中,相同颜色的亚像素位于不同列。对于这一结构上的改变,可有如下的具体实现方法:
如图4所示,该液晶显示面板中,每一像素单元1包括三个亚像素。为了便于区分三
个亚像素,图4中利用不同的图形来填充。并默认每一像素单元1自左向右依次包括第一颜色亚像素11、第二颜色亚像素12和第三颜色亚像素13。
在图4中,相邻的两像素单元行相互错开一个亚像素的位置。使得第二行的第一颜色亚像素11与第一行的第二颜色亚像素12位于同一列,第二行的第二颜色亚像素12与第一行的第三颜色亚像素13位于同一列,第二行的第三颜色亚像素13与第一行的、另一像素单元1的第一颜色亚像素11位于同一列。
结合图2和图4可知,图4中的第二列亚像素和第四列亚像素充电不足,亮度较低;而第二列亚像素和第四列亚像素之间的第三列亚像素充电充足,亮度较高。亮度较低的第二列亚像素同时包括第二颜色亚像素12和第一颜色亚像素11,第三列亚像素同时包括第三颜色亚像素13和第二颜色亚像素12,第四列亚像素同时包括第一颜色亚像素11和第三颜色亚像素13。
具体的充电效果如图5所示。此时,第二列亚像素中的第二颜色亚像素12亮度较高,可和亮度较低的、第三列亚像素中的第二颜色亚像素12发出的光中和;类似的,第三列亚像素中的第三颜色亚像素13和第四列亚像素中的第三颜色亚像素13发出的光中和;第四列亚像素中的第一颜色亚像素11和下一列的第一颜色亚像素11发出的光中和。此时上下相邻的两个像素单元1发出的各颜色的光相互中和,使得该液晶显示面板整体显示良好的亮度均一性。
除了上下相邻的两个像素单元1发出的各颜色的光可相互中和,对于图4所示的液晶显示面板而言,左右相邻的两个像素单元1发出的各颜色的光也可相互中和。具体的,以第一像素单元行为例进行说明,第一个第一颜色亚像素11由偶数栅线(G2)驱动,其亮度较高;第二个第一颜色亚像素11由奇数栅线(G1)驱动,其亮度较低。因此第一个第一颜色亚像素11和第二个第一颜色亚像素11发出的光可相互中和。对于第二颜色亚像素12和第三颜色亚像素13而言,也相同。因此,左右相邻的两个像素单元1发出的各颜色的光也可相互中和。
上下、左右相邻的两个像素单元1发出的各颜色的光都可相互中和,使得整个液晶显示面板对于用户而言,出光均匀,不具有亮暗线的缺陷,显示效果良好。
为了使得相邻的两像素单元行相互错开一个亚像素的位置,如图4所示,可采取如下结构:以连续的两像素单元行为周期,第一像素单元行的左侧无空亚像素2,第二像素单元行的左侧第一个亚像素为空亚像素2。
所谓空亚像素2,即不受到栅线和数据线传输的信号的影响,出光量始终为零的亚像素。实际中,可每间隔一行,将左侧第一个亚像素进行暗点化处理。即利用焊接工艺将栅
线或栅极与该亚像素的像素电极导通,提供像素电压强迫液晶旋转使得该亚像素永远呈现暗点化状态。虽然空亚像素不参与对背光源发出的光的调整,但为了便于制作液晶显示面板中的彩膜基板,对应空亚像素2同样设置有彩色滤色层。由此,只需要注意该空亚像素2的彩色滤色层的颜色,以保证上下相邻的两个像素单元1中,相同颜色的亚像素位于不同列即可。
例如,如图4所示,第二像素单元行的空亚像素2的彩色滤色层与第三颜色亚像素13一致,与其相邻的为第一颜色亚像素11,使得第二行最左侧的像素单元1中的第一颜色亚像素11与第一行最左侧的像素单元1中的第一颜色亚像素11相错开,位于不同列。
相应的,若采用图4所示的亚像素的布设方式,则第一像素单元行的右侧第一个亚像素为空亚像素2,第二像素单元行的右侧无空亚像素。第一像素单元行的右侧设置有空亚像素2不仅可使得整个液晶显示面板每一行亚像素的个数相等,还使得每一行参与显示的亚像素的个数也相等,有利于该液晶显示面板的生产、制作。
另外,为了使得上下相邻的两个像素单元中,相同颜色的亚像素位于不同列。在本发明实施例中,还可采用如下的液晶显示面板的结构:
如图6所示,以连续的三像素单元行为周期,第二像素单元行相对于第一像素单元行向右错开一个亚像素的位置,第三像素单元行相对于第二像素单元行向右错开一个亚像素的位置。
由前文的分析可知,相邻的两列亚像素的亮度不一。根据如图2所示的驱动波形,可知充电效果如图7所示。图6所示的结构使得上下相邻的、相同颜色的亚像素在每一周期内,即连续的三像素单元行内,亮度为亮-暗-亮或暗-亮-暗的变化。显然,图6所示的结构同样可以令相同颜色的、发出的亮度不同的亚像素的显示效果得到中和。
类似的,如图6所示,为了使得连续的三像素单元行内的相同颜色亚像素也相互错开,结构上可采用如下方法:
第一像素单元行的左侧无空亚像素2,第二像素单元行的左侧第一个亚像素为空亚像素2,第三像素单元行的左侧第一个亚像素和第二个亚像素均为空亚像素2。
相应的,第一像素单元行的右侧第一个亚像素和第二个亚像素均为空亚像素2,第二像素单元行的右侧第一个亚像素为空亚像素2,第三像素单元行的右侧无空亚像素2。
需要说明的是,显然,在本发明实施例中,可通过针对不同行、不同的设置空亚像2的方法,使得上下相邻的两个像素单元中,相同颜色的亚像素灰阶相同时亮度不同。但实际上每一行的开头最多可以设置两个空亚像素2,否则将导致液晶显示面板的显示画面发生歪曲的现象,降低用户的使用体验。
在本发明实施例中,优选的,同一像素单元中的亚像素的颜色自左向右依次为红色、绿色和蓝色。包括红色、绿色和蓝色亚像素的像素单元,为成熟且适用性最广的一种像素单元的结构,有利于降低本发明的制作成本,提高适用范围。
进一步的,本发明实施例还公开了一种显示装置,该显示装置包括上述的液晶显示面板。该显示装置可为液晶电视、液晶显示器、手机、平板电脑等显示装置。
虽然本发明所公开的实施方式如上,但所述的内容只是为了便于理解本发明而采用的实施方式,并非用以限定本发明。任何本发明所属技术领域内的技术人员,在不脱离本发明所公开的精神和范围的前提下,可以在实施的形式上及细节上作任何的修改与变化,但本发明的专利保护范围,仍须以所附的权利要求书所界定的范围为准。
附图标记说明:
1-像素单元; 11-第一颜色亚像素; 12-第二颜色亚像素;
13-第三颜色亚像素; 2-空亚像素。
Claims (18)
- 一种液晶显示面板,其中,包括多个阵列排布的像素单元,每个像素单元包括至少三个亚像素,且同一像素单元中的每个亚像素颜色不同;上下相邻的两个像素单元中,相同颜色的亚像素灰阶相同时亮度不同。
- 根据权利要求1所示的液晶显示面板,其中,上下相邻的两个像素单元中,相同颜色的亚像素位于不同列。
- 根据权利要求2所述的液晶显示面板,其中,以连续的两像素单元行为周期,第二像素单元行相对于第一像素单元行向右错开一个亚像素的距离。
- 根据权利要求3所述的液晶显示面板,其中,第一像素单元行的左侧无空亚像素,第二像素单元行的左侧第一个亚像素为空亚像素。
- 根据权利要求4所述的液晶显示面板,其中,第一像素单元行的右侧第一个亚像素为空亚像素,第二像素单元行的左侧第一个亚像素为空亚像素。
- 根据权利要求2所述的液晶显示面板,其中,以连续的三像素单元行为周期,第二像素单元行相对于第一像素单元行向右错开一个亚像素的位置,第三像素单元行相对于第二像素单元行向右错开一个亚像素的位置。
- 根据权利要求6所述的液晶显示面板,其中,第一像素单元行的左侧无空亚像素,第二像素单元行的左侧第一个亚像素为空亚像素,第三像素单元行的左侧第一个亚像素和第二个亚像素均为空亚像素。
- 根据权利要求7所述的液晶显示面板,其中,第一像素单元行的右侧第一个亚像素和第二个亚像素均为空亚像素,第二像素单元行的右侧第一个亚像素为空亚像素,第三像素单元行的右侧无空亚像素。
- 根据权利要求1所述的液晶显示面板,其中,同一像素单元中的亚像素的颜色自左向右依次为红色、绿色和蓝色。
- 一种显示装置,其中,包括液晶显示面板,所述液晶显示面板包括多个阵列排布的像素单元,每个像素单元包括至少三个亚像素,且同一像素单元中的每个亚像素颜色不同;上下相邻的两个像素单元中,相同颜色的亚像素灰阶相同时亮度不同。
- 根据权利要求10所述的显示装置,其中,上下相邻的两个像素单元中,相同颜色的亚像素位于不同列。
- 根据权利要求11所述的显示装置,其中,以连续的两像素单元行为周期,第二像素单元行相对于第一像素单元行向右错开一个亚像素的距离。
- 根据权利要求12所述的显示装置,其中,第一像素单元行的左侧无空亚像素,第二像素单元行的左侧第一个亚像素为空亚像素。
- 根据权利要求13所述的显示装置,其中,第一像素单元行的右侧第一个亚像素为空亚像素,第二像素单元行的左侧第一个亚像素为空亚像素。
- 根据权利要求11所述的显示装置,其中,以连续的三像素单元行为周期,第二像素单元行相对于第一像素单元行向右错开一个亚像素的位置,第三像素单元行相对于第二像素单元行向右错开一个亚像素的位置。
- 根据权利要求15所述的显示装置,其中,第一像素单元行的左侧无空亚像素,第二像素单元行的左侧第一个亚像素为空亚像素,第三像素单元行的左侧第一个亚像素和第二个亚像素均为空亚像素。
- 根据权利要求16所述的显示装置,其中,第一像素单元行的右侧第一个亚像素和第二个亚像素均为空亚像素,第二像素单元行的右侧第一个亚像素为空亚像素,第三像素单元行的右侧无空亚像素。
- 根据权利要求10所述的显示装置,其中,同一像素单元中的亚像素的颜色自左向右依次为红色、绿色和蓝色。
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