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WO2019041881A1 - 显示面板及显示装置 - Google Patents

显示面板及显示装置 Download PDF

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Publication number
WO2019041881A1
WO2019041881A1 PCT/CN2018/086293 CN2018086293W WO2019041881A1 WO 2019041881 A1 WO2019041881 A1 WO 2019041881A1 CN 2018086293 W CN2018086293 W CN 2018086293W WO 2019041881 A1 WO2019041881 A1 WO 2019041881A1
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WO
WIPO (PCT)
Prior art keywords
driving
display panel
sub
columns
pixel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/086293
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English (en)
French (fr)
Inventor
吴剑龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Govisionox Optoelectronics Co Ltd
Original Assignee
Kunshan Govisionox Optoelectronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunshan Govisionox Optoelectronics Co Ltd filed Critical Kunshan Govisionox Optoelectronics Co Ltd
Priority to US16/336,652 priority Critical patent/US11227527B2/en
Publication of WO2019041881A1 publication Critical patent/WO2019041881A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G09G3/2003—Display of colours
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • 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
    • 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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0275—Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0281—Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure

Definitions

  • the present invention relates to the field of panel display technologies, and in particular, to a display panel and a display device.
  • the arrangement of the pixels is a regular pixel array which is sequentially arranged in the RGB order along the row direction, that is, the plurality of sub-pixels in the column direction of the pixel array correspond to the same type. colour.
  • a plurality of sub-pixels in the column direction correspond to the pixel arrangement of the same color, and the display resolution thereof is increasingly unable to meet the demand. Therefore, a plurality of pixel arrangement modes in which non-RGB row directions are arranged in order are arranged, so that a plurality of colors can be corresponding in the column direction in the pixel array, and such an irregular arrangement is advantageous for improving the display resolution to have Better display.
  • the display panel adopts an irregular pixel arrangement manner to improve the display resolution thereof, the pixel arrangement further causes the drive switches on the respective columns in the drive array electrically connected to the pixel array to not correspond to the same type. Color, so that at least two data lines are required for each drive train.
  • the peripheral driving circuit disposed on the non-display area of the display panel since the number of data lines is large, the structure of the peripheral driving circuit connected to the data lines is also correspondingly complicated.
  • the complicated peripheral driving circuit often affects the display effect of the display panel.
  • the peripheral driving circuit is a panel test circuit (Cell Test, CT circuit)
  • the CT dot screen is used in a CT circuit with a relatively complicated structure. There are often problems with black ribbon mura.
  • the present invention provides a display panel including a plurality of sub-pixels formed in a display area, each of the sub-pixels including a light-emitting unit and a driving switch, the light-emitting unit including a first electrode,
  • the driving switch is electrically connected to the first electrode;
  • the light emitting unit of the plurality of sub-pixels constitutes a pixel array including a plurality of pixel columns, wherein: the plurality of light emitting units on at least one pixel column in the pixel array correspond to at least Two different color sub-pixels; a plurality of the plurality of sub-pixels forming a driving array including a plurality of driving columns, and the driving array includes two driving columns, the two driving columns being identical
  • the drive switches electrically connected to the light-emitting units of the color are connected to the same data line.
  • the display panel further includes a peripheral driving circuit located in the non-display area, and the peripheral driving circuit includes a source driving circuit.
  • the display panel further includes a plurality of switching elements, and the data lines are connected to the source driving circuit through respective switching elements.
  • the source driving circuit includes a switching signal line and a plurality of data signal lines, and the data lines are connected to the switching signal lines of the source driving circuit and the plurality of wires through respective switching elements a corresponding one of the data signal lines, the switch signal line is for controlling conduction of the plurality of switching elements, so that the data signal line provides a data signal for the corresponding driving switch through the corresponding switching element.
  • each of the data signal lines provides a data signal for a driving switch corresponding to one of the colors, and the data lines corresponding to the same color are all connected to the same data signal line.
  • the plurality of driving switches in the same driving column correspond to at most two different colors; wherein, two driving columns corresponding to the same group of two different colors are arranged next to each other, and the same data line is connected to the two Drives the same color drive switch in the column.
  • the plurality of sub-pixels have three different colors
  • a plurality of driving switches in a part of the driving columns are electrically connected to one of the three different colors.
  • a plurality of drive switches of the other portion of the drive train are electrically coupled to the other two of the three different colors, and the other number of drive trains are arranged in pairs.
  • the plurality of sub-pixels have four different colors
  • each of the driving switches has a contact point for connecting to the data line, and the contact points of the plurality of driving switches corresponding to the same color on the adjacent two driving columns are aligned in the column direction.
  • the plurality of contact points aligned in the column direction are connected to the same data line.
  • the plurality of sub-pixels have three different colors corresponding to each other; in the column direction of the pixel array, the light-emitting units corresponding to the three different colors are sequentially arranged; in the row direction of the pixel array, the light of the same color is correspondingly The units are staggered from each other along the column direction.
  • the plurality of sub-pixels form a plurality of pixel units arranged in an array, and each of the pixel units includes three sub-pixels respectively corresponding to different colors.
  • the light emitting units of the three sub-pixels in each pixel unit are respectively arranged on two adjacent columns in the pixel array; and the arrangement structure after each pixel unit is flipped by 180° in the row direction The arrangement of adjacent pixel units in the same column as the pixel unit is the same.
  • the light emitting units of the three sub-pixels in each pixel unit are arranged on the same column.
  • the present invention also provides a display device including the display panel as described above.
  • the column direction of the pixel array does not correspond to the same color, and the display device of the present invention can effectively improve the display resolution compared with the same color in the column direction of the conventional pixel arrangement. And show uniformity.
  • the driving switches electrically connected to the lighting units of the same color in the adjacent two driving columns in the driving array are connected to the same data line, that is, the same data line can be connected to two driving simultaneously.
  • the structure of the circuit is not correspond to the same color, and the display device of the present invention can effectively improve the display resolution compared with the same color in the column direction of the conventional pixel arrangement. And show uniformity.
  • the driving switches electrically connected to the lighting units of the same color in the adjacent two driving columns in the driving array are connected to the same data line, that is, the same data line can be connected to
  • each data line may be connected to the peripheral driving circuit through only one switching element.
  • only one switching signal line may be provided and matched with the data signal line corresponding to the color of the sub-pixel. All the switching elements connected to the data line can be connected to the switching signal line, and the data line of the corresponding color can be connected to the corresponding data signal line, thus reducing the number of lines in the peripheral driving circuit.
  • the peripheral driving circuit may be, for example, a panel test circuit.
  • FIG. 1 is a schematic structural view of a display panel of a display panel
  • FIG. 2 is a schematic view showing the connection of a driving array and a peripheral driving circuit in the display panel shown in FIG. 1;
  • FIG. 3 is a schematic structural diagram of a display area of a display panel according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of a connection manner of a driving array and a peripheral driving circuit of a display panel according to Embodiment 1 of the present invention
  • FIG. 5 is a schematic diagram of a pixel array of a display panel according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of another connection manner of a driving array and a peripheral driving circuit of a display panel according to Embodiment 1 of the present invention.
  • FIG. 7 is a schematic diagram of a connection manner of a driving array and a peripheral driving circuit of a display panel according to Embodiment 2 of the present invention.
  • the drive switch is also not arranged according to the RGB order, which not only makes the electrical connection between the drive switch and the light-emitting unit more complicated, but also further leads to the peripheral drive circuit. The complexity.
  • FIG. 1 is a schematic structural diagram of a display area of a display panel.
  • the display panel includes a plurality of sub-pixels 100 formed on a display area of a substrate, and at least three of the plurality of sub-pixels 100 Different colors.
  • Each of the sub-pixels 100 includes a light emitting unit 110 and a driving switch 120.
  • the light emitting unit includes a first electrode, and the driving switch 120 is electrically connected to the first electrode.
  • the plurality of light emitting units 110 of the plurality of sub-pixels constitute a pixel array, and the plurality of light emitting units 110 in the column direction in the pixel array constitute a pixel column and correspond to at least two different colors. For example, in the pixel array in FIG.
  • the light emitting units 110 on the first column sequentially correspond to blue B, red R, and green G
  • the light emitting units 110 on the second column sequentially correspond to red R, green G, and blue B.
  • a plurality of driving switches 120 of the plurality of sub-pixels 100 constitute a driving array.
  • the driving switches 120 on the first column sequentially correspond to the blue B and the red R
  • the driving switches on the second column 120 corresponds to red R and green G in turn
  • drive switch 120 on the third column corresponds to green G and blue B in sequence. That is, in the drive array, the two drive switches 120 on each column are used to electrically connect to the light-emitting units 110 of two different colors, respectively.
  • FIG. 2 is a schematic diagram showing the connection of a driving array and a peripheral driving circuit in the display panel shown in FIG. 1, wherein the peripheral driving circuit is, for example, a panel test circuit (Cell Test, CT circuit).
  • the peripheral driving circuit is, for example, a panel test circuit (Cell Test, CT circuit).
  • the driving switches 120 on the same column do not correspond to the same color, so that the plurality of driving switches 120 on the same driving column respectively need to provide corresponding data signals according to different colors. That is, a plurality of switching elements P are required to be connected to the peripheral driving circuit correspondingly according to a plurality of colors on the same driving column.
  • a corresponding switching signal line is also provided for a plurality of switching elements P corresponding to different colors, so as to control the turning on or off of the corresponding switching element P through different switching signal lines, thereby passing Different switching elements P provide data signals for sub-pixels of different colors.
  • the plurality of driving switches 120 on each driving column correspond to at least two different colors, at least two switching elements P are also required to be disposed on each driving column, and can be different for different driving columns.
  • the color driving switch 120 respectively provides corresponding data signals, and a large number of switching signal lines are also needed to respectively control the switching elements P corresponding to different colors on different driving columns, which will directly lead to the adopted peripheral driving circuit.
  • the structure is also relatively complicated. For example, as shown in FIG.
  • the plurality of driving switches 120 on the first column correspond to blue B and red R, so that two switching elements P are respectively provided and connected to the switching signal line SW1 and the switching signal line SW2, respectively.
  • two switching elements P are also disposed on the second driving column, and the switching signal line SW3 and the switching signal line SW4 are respectively provided, and two switching elements P are also disposed on the third driving column, and the switching signals are respectively provided.
  • the plurality of light emitting units in the column direction of the pixel array can correspond to at least two colors, which is advantageous for improving the resolution and uniform display of the display panel.
  • it also complicates the connection of the light-emitting unit and the driving switch in the sub-pixel, and further causes the structure of the peripheral driving circuit to be more complicated.
  • the present invention provides a display panel including a plurality of sub-pixels formed on a display area of a substrate, each of the sub-pixels including a light-emitting unit and a driving switch, the light-emitting unit including a first electrode,
  • the driving switch is electrically connected to the first electrode;
  • the light emitting unit of the plurality of sub-pixels constitutes a pixel array, and the plurality of light emitting units on at least one pixel column of the pixel array correspond to sub-pixels of at least two colors
  • a plurality of the plurality of the sub-pixels constitute a driving array, and driving switches electrically connected to the lighting units of the same color on the two driving columns in the driving array are connected to the same data line.
  • the display panel provided by the present invention still adopts an irregular pixel arrangement manner, so that the plurality of light emitting units on the pixel column may not correspond to the same color, thereby ensuring high resolution of the display panel.
  • the driving switches electrically connected to the lighting units of the same color in the adjacent two driving columns in the driving array are connected to the same data line, thereby connecting the plurality of driving switches connected on each data line. They all correspond to the same color, which simplifies the structure of the peripheral driver circuit connected to the data line.
  • the display panel includes a plurality of sub-pixels 200 formed on a display area of a substrate, and at least corresponding to the plurality of sub-pixels 200 There are three different colors, such as red R, blue B, and green G. In this embodiment, three different colors in the plurality of sub-pixels 200 are taken as an example for explanation.
  • a plurality of sub-pixels may be corresponding to four different colors, for example, respectively. Red, green, blue, and white, or red, green, blue, and yellow. And, only a part of the sub-pixels 200 are schematically shown in FIG.
  • the sub-pixel 200 has a light emitting unit 210 and a driving switch 220.
  • the light emitting unit 210 includes a first electrode (not shown), and the driving switch 220 is electrically connected to the first electrode. Further, the light emitting unit 210 further includes a second electrode (not shown), and a light emitting layer (not shown) between the first electrode and the second electrode, wherein the first electrode An anode may be formed, and the second electrode may constitute a cathode.
  • the plurality of light emitting units 210 of the plurality of sub-pixels 200 form a pixel array, and the plurality of light emitting units 210 on the same column form a pixel column, and the plurality of light emitting units 210 in the column direction are corresponding to the pixel array.
  • Two different color pixel columns For example, in a pixel array, a plurality of light-emitting units on a part of a pixel column have at least two different colors, and a plurality of light-emitting units on a pixel column of another part have only one color; of course, in the pixel array It may be that a plurality of light emitting units in each pixel column correspond to at least two different colors.
  • a plurality of the driving switches 220 of the plurality of sub-pixels 200 constitute a driving array, and in the driving array, the driving switches 220 electrically connected to the lighting units 210 of the same color on the two driving columns are connected to the same On a data line S.
  • the driving switches 220 corresponding to the same color on the adjacent two driving columns may be connected to the same data line S.
  • each data line S is connected to the driving switch 220 of the same color, Further, it is advantageous to simplify the structure of the peripheral driving circuit connected thereto. For example, each data line S only needs to be connected to the peripheral driving circuit through one switching element, and only one switching signal line can be set in the peripheral driving circuit, and all the data lines S can be connected to the same switching signal line.
  • the number of switching signal lines in the peripheral driving circuit can be greatly reduced.
  • the “columns” in this paper are not columns in a predetermined spatial sense. For example, they may also be referred to as “rows” in different angular directions. Similarly, “rows” in this paper are in different angular directions. It can also be called a "column”.
  • each drive train in the drive train corresponding to the same set of two colors can be arranged in close proximity, thereby facilitating the same data.
  • the line connects the drive switches of the same color in the two drive columns arranged next to each other.
  • the plurality of sub-pixels 200 have three different colors, namely, red R, blue B, and green G.
  • a plurality of driving switches 220 of a part of the driving columns are electrically connected to the light emitting unit 210 of one of the colors; and the plurality of driving switches 220 of the other partial number of driving columns are respectively and the other two
  • the color light emitting units 210 are electrically connected, and the other portion of the number of drive trains are arranged in pairs. That is, as shown in FIG.
  • a plurality of drive switches 220 corresponding to the green G constitute a drive train each corresponding to the green G; and a plurality of drive switches corresponding to the red R and a plurality of drive switches corresponding to the blue B constitute a corresponding one.
  • the drive columns corresponding to two different colors ie, red R and blue B
  • the drive switch 220 of R is connected to the same data line S, and the drive switch 220 corresponding to the blue B in the different drive trains is connected to the same data line S.
  • the driving switch 220 has a second contact point 222 for connecting to the data line S.
  • the two adjacent driving columns of the driving array correspond to a plurality of driving switches of the same color.
  • the two contact points 222 are aligned in the column direction, and the plurality of second contact points 222 aligned in the column direction are connected to the same data line S.
  • the arrangement of the driving switches can be directly adjusted, for example, the adjacent two driving columns can be respectively Corresponding to the same color; on the other hand, the arrangement of the second contact points 222 in the driving switch can be adjusted without changing the arrangement of the driving switches, so that the arrangement is the same
  • the plurality of driving switches 220 corresponding to the plurality of second contact points 222 in the column are electrically connected to the light emitting unit 210 of the same color.
  • both of the two driving columns still have red R and blue B, and based on this, the second contact point 222 of the driving switch is performed.
  • the adjustment is such that the second contact points 222 of the respective drive switches corresponding to the red R are arranged on the same column, and the second contact points 222 of the respective drive switches corresponding to the blue B are arranged on the same column.
  • the driving switch 220 includes a driving transistor and a switching transistor, and a drain of the driving transistor can form a first contact point 221 for electrically connecting with the light emitting unit 210, and a source of the driving switch The drain of the switching transistor is electrically connected, and the source of the switching transistor constitutes the second contact point 222 and is connected to the data line S.
  • FIG. 4 is a schematic diagram of connection between a driving array and a peripheral driving circuit of a display panel according to Embodiment 1 of the present invention
  • FIG. 5 is a schematic diagram of a pixel array of the display panel according to Embodiment 1 of the present invention.
  • FIG. 3 and FIG. 5 is taken as an example.
  • the present invention can be The idea of "by sharing the data line" reduces the number of data lines and makes the structure of the peripheral drive circuit simpler.
  • the pixel array 21 there are a plurality of light-emitting units 210 in the column direction corresponding to at least two pixel columns of different colors.
  • the plurality of light emitting units 210 on each pixel column have at least two different colors, and the column directions of the pixel array 21 in FIG. 5 respectively correspond to red R, green G, and blue B. .
  • the arrangement of the driving switch 220 and the connection manner of the second contact point 222 and the data line S in the driving switch 220 further simplify the driving switch 220 and the data line S.
  • the driving switch 220 corresponding to one of the colors (green G in this embodiment) is repeatedly arranged in the column direction, and the other two colors are corresponding (in this embodiment)
  • the drive switches 220 which are red R and blue B), are arranged adjacently in the column direction, and the drive columns each corresponding to red R and blue B are arranged next to each other.
  • the plurality of driving switches 220 in the driving column corresponding to the green G can be directly connected to the data line S3; and the driving switches corresponding to the red R in the two driving columns arranged next to each other can be connected to the data line S1, specifically, the second contact point 222 of the driving switch corresponding to the red R is connected to the data line S1; the driving switch B corresponding to the blue B is connected to the data line S2, specifically corresponding to the blue B The second contact point 222 of the drive switch is connected to the data line S2.
  • the two groups of the two adjacent driving columns all have the same set of two colors (ie, both correspond to red R and blue B), and are respectively located in the two driving columns arranged next to each other.
  • the two drive switches on the different drive trains and on the same row of the drive array correspond to two different colors, respectively.
  • the driving switches 220 corresponding to the red R and the blue B are alternately arranged in the column direction, so that the two driving columns arranged next to each other are respectively located on different driving columns and are odd in the driving array.
  • Two correspondingly differently colored drive switches 220 on the line and two correspondingly differently colored drive switches 220 on even rows are arranged in the row direction in opposite directions (eg, two drive switches 220 on odd rows) Corresponding to red R and blue B in turn, the two drive switches 220 on the even rows correspond to blue B and red R) in turn, and then, in the two drive columns arranged next to each other, are used to connect data of the same color.
  • the drive switches 220 corresponding to the same color in the two drive trains may all be connected to the same data line.
  • the arrangement of the driving array and the connection between the driving switch and the data line in the driving array are adjusted.
  • a part of the pixel columns corresponds to a red light emitting unit and a blue light emitting unit
  • another partial number of pixel columns only corresponds to a green light emitting unit.
  • the green light emitting unit can be maintained.
  • the driving switch of the unit electrical connection is repeatedly arranged in the column direction, and can be directly connected to the same data line, and only the red driving switch and the blue driving switch and the data line connection mode need to be adjusted, that is, , the corresponding red driving switches of the two adjacent driving columns are connected to the same data line, and the corresponding blue driving switches are connected to the same data line.
  • the arrangement of the driving switches is adjusted (ie, the driving array 22 as shown in FIG. 4).
  • the way of arrangement) and the way the drive switch is connected to the data line are adjusted, so that one data line is connected to the driving switch of the same color.
  • the driving switches electrically connected to the lighting units of the same color on the adjacent two driving columns are connected to the same data line, for example, the first driving column and the second driving column correspond to each other.
  • the driving switches 120 of the red R may be connected to the data line S12, and the driving switches 120 corresponding to the green G in the second driving column and the third driving column may be connected to the data line S13. It should be noted that only a part of the driving switches are schematically illustrated in FIG. 6, so that there are other driving columns, first driving columns and third sides on both sides of the first driving column and the third driving column.
  • the drive switches 120 corresponding to the blue B on the drive train are respectively connected to the adjacent drive switches of the corresponding blue B to the same data line. It can be seen that, compared with the driving switch and the data line connection relationship shown in FIG. 2, each data line in FIG. 6 is connected to a driving switch of the same color, thereby facilitating simplification of the peripheral driving circuit connected to the data line. structure. For example, when the data line is connected to the peripheral driving circuit, each data line only needs to pass through one switching element P, and only one switching signal line needs to be provided in the peripheral driving circuit for the switching element. P controls.
  • the peripheral driving circuit of the display panel is located on a non-display area of the substrate, and the peripheral driving circuit includes a source driving circuit and a data line connected to the driving switch 220 in the driving array 22. Connect to the source driver circuit.
  • the peripheral driving circuit further includes a gate driving circuit connected to the gate line for providing a gate driving signal.
  • a plurality of driving switches 220 on the same row are connected to the same gate line. For example, only the drive switches 220 of 4 rows * 3 columns are shown in FIG. 4, and the corresponding ones are respectively connected to the four gate lines.
  • the driving switch 220 further includes a switching transistor, a source of the switching transistor is connected to the data line, and a gate of the switching transistor is connected to the gate line.
  • the source driving circuit includes a switching signal line and a data signal line, wherein the data line is connected to the switching signal line and the data signal line through a switching element P, and the switching signal line is used for The conduction of the switching element P is controlled such that the data signal line provides a data signal to the driving switch 220 of a corresponding color through the switching element P. Since each of the data lines is connected to a drive switch corresponding to the same color, only one switch signal line SW1 needs to be provided in the source drive circuit, and all the data lines can be connected to the same through the switch element P. One switch signal line SW1.
  • the data signal lines respectively provide data signals for the driving switches 220 corresponding to one of the colors, and the data lines corresponding to the same color are all connected to the same data signal line.
  • the source driving circuit can respectively set three data signal lines (D1'/D2'/D3'), and the three data signal lines are respectively three different colors.
  • the sub-pixels provide data signals; or, when there are four different colors in the plurality of sub-pixels, four data signal lines can be set in the source driving circuit, and the four data signal lines are respectively in four different colors.
  • the sub-pixels provide data signals.
  • the switching element P is a transistor switch, and a gate of the transistor switch is connected to the switching signal line.
  • the three data lines can be connected to the same switching signal line SW1 through the corresponding switching elements P, and the three data lines, the data line D1 can be A red R sub-pixel is provided with a data signal, a data line D2 can provide a data signal for the blue sub-pixel, and a data line D3 can provide a data signal for the green sub-pixel. Therefore, the data line S1 of the driving switch 220 connected to the red R is connected to the switching signal line SW1 and the data line D1 through the corresponding switching element P, and the data line S2 of the driving switch 220 connected to the blue B is connected through the corresponding switching element P. To the switching signal line SW1 and the data line D2, the data line S3 of the driving switch 220 connected to the green G is connected to the switching signal line SW1 and the data line D3 through the corresponding switching element P.
  • the pixel array 21 in this embodiment will be described in detail below with reference to FIG. 5.
  • the plurality of light emitting units 210 in the same pixel column do not correspond to the same color.
  • the pixel array 21 has three different colors in the column direction, that is, blue B and red R. And the green G, and the light-emitting units 210 corresponding to the three different colors are sequentially arranged.
  • only two of the colors may be associated in the column direction of the pixel array.
  • the light-emitting units 210 having the same color are shifted from each other, so that the plurality of light-emitting units 210 in the row direction do not correspond to the same color, and the display uniformity of the display panel can be further improved.
  • the pixel unit may be defined according to actual conditions in a specific display panel.
  • the plurality of sub-pixels constitute a plurality of pixel units arranged in an array, and each of the pixel units includes at least three sub-pixels respectively corresponding to different colors.
  • the three sub-pixels corresponding to the adjacent three different color light-emitting units 210 may be defined as one pixel unit.
  • three sub-images corresponding to adjacent three light-emitting units 210 in the corresponding column direction may be defined as one pixel unit 20a; or, two adjacent pixel columns may be adjacent in the row direction.
  • the three sub-pixels corresponding to the three different color light-emitting units 210 are defined as one pixel unit 20b, that is, the light-emitting units 210 of the three sub-pixels in the pixel unit 20b are respectively arranged adjacent to the pixel array 21 On the two columns, at this time, the arrangement structure after each pixel unit 20b is flipped by 180 in the row direction is the same as the arrangement of adjacent pixel units 20b in the same column. It should be noted that the pixel unit may be defined according to a specific algorithm of the display panel, which is only a schematic description and is not limited herein.
  • the difference from the first embodiment is that in the embodiment, there are four different colors in the plurality of sub-pixels, such as red, green, blue, and white, or red, green, blue, and yellow.
  • a pixel array composed of a plurality of sub-pixel light-emitting units there are pixel columns corresponding to two different colors in the column direction. For example, in the pixel array, some of the pixels are corresponding to two colors (for example, blue and white), and the other pixel columns have two other colors (for example, red and green).
  • a plurality of driving switches 320 in a part of the driving columns may be electrically connected to the two different color light emitting units, and the part of the number is
  • the drive trains are arranged in pairs next to each other; a plurality of drive switches 320 in the other partial number of drive trains are electrically connected to the other two differently colored light-emitting units, respectively, and the other partial number of drive trains are also arranged in close proximity.
  • the driving switches of the two colors are respectively connected to the two corresponding data lines; and, among the driving columns corresponding to the other two colors, two The color drive switches are also connected to the other two corresponding data lines.
  • a plurality of sub-pixels corresponding to red R, blue B, green G, and white W are associated.
  • the driving array 32 composed of the plurality of driving switches 320 of the plurality of sub-pixels
  • a part of the driving columns corresponds to the driving switches 320 of the blue B and the white W
  • the other portion of the driving columns corresponds to the red R and the green.
  • the driving switch 320 of G wherein the driving columns corresponding to the blue B and the white W are arranged in close proximity to each other, so that the driving switches 320 corresponding to the blue B are connected to the data in the two adjacent driving columns.
  • the driving switch 320 corresponding to the white W is connected to the data line S21; similarly, the driving switches 320 corresponding to the red R are all connected to the data line S24, and the driving switches 320 corresponding to the green G are both Connected to the data line S23.
  • the driving switches corresponding to the same color in the adjacent two driving columns can be commonly connected to the same data line, so that each data line is connected.
  • the same color drive switch simplifies the connection of the data line to the peripheral drive circuit and further simplifies the structure of the peripheral drive circuit.
  • the present invention also provides a display device having the display panel as described above.
  • the display device has better display resolution and display uniformity, and the structure of the peripheral driving circuit is relatively simple.
  • the same color is not applied in the column direction of the pixel array, and the column direction in the conventional pixel arrangement corresponds to the same color, so that the display panel in the present invention Better display resolution and display uniformity.
  • the driving switches corresponding to the same color on the adjacent two driving columns in the driving array are connected to the same data line, and the driving switches corresponding to the same color in different driving columns can be simultaneously connected on the same data line,
  • the number of data lines can be effectively reduced, and on the other hand, the structure of the peripheral driving circuit connected thereto can be further simplified.

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Abstract

本发明提供了一种显示面板及显示装置，显示面板包括形成于显示区的多个子像素，每个所述子像素包括一发光单元和一驱动开关，所述发光单元包括第一电极，所述驱动开关与所述第一电极电连接；多个所述子像素中的发光单元构成包括多个像素列的像素阵列，其中：所述像素阵列中至少一个像素列上的多个发光单元对应至少两种不同颜色的子像素；多个所述子像素中的多个驱动开关构成包括多个驱动列的驱动阵列，且所述驱动阵列包括两个驱动列，所述两个驱动列上与同一种颜色的发光单元电连接的驱动开关连接至同一条数据线上。通过显示面板中同一数据线上同时连接不同驱动列中对应相同颜色的驱动开关，可使同一数据线上所连接的驱动开关均对应同一种颜色，从而简化数据线与外围驱动电路的连接关系，并优化外围驱动电路的结构。

Description

显示面板及显示装置 技术领域
本发明涉及面板显示技术领域，特别涉及一种显示面板及显示装置。
背景技术
近年来，国内外开发出了众多类型的显示面板，例如液晶显示面板、等离子显示面板、电润湿显示面板、电泳显示面板以及有机发光显示面板等。其中，为了提升像素显示分辨率，出现了多种像素的排布方式。
在传统的显示面板中，其像素的排布方式是依据RGB顺序沿着行方向依次排列以构成的一规律的像素阵列，即，所述像素阵列的列方向上的多个子像素均对应同一种颜色。然而，这种列方向上的多个子像素均对应同一种颜色的像素排布方式，其显示分辨率越来越不能满足需求。为此，出现了多种非RGB行方向依次排列的像素排布方式，以使像素阵列中列方向上可对应有多种颜色，这种不规律的排列方式有利于提高显示分辨率，以具备更好的显示效果。
虽然显示面板中采用不规律的像素排布方式能够提高其显示分辨率，但是，这种像素排布也进一步导致了与像素阵列电连接的驱动阵列中各个列上的驱动开关均不是对应同一种颜色，从而针对每一驱动列均需提供至少两条数据线。基于此，设置在显示面板的非显示区上的外围驱动电路中，由于数据线的数量较多，则必然也导致外围驱动电路中与数据线连接的结构也相应较为复杂。而复杂的外围驱动电路常常会影响显示面板的显示效果，例如，当所述外围驱动电路为面板测试电路(Cell Test，CT电路)时，则在利用结构较为复杂的CT电路进行CT点屏的时候常常会有黑色带状mura的问题。
可见，如何在确保显示面板的显示效果的基础上，进一步优化外围驱动电路至关重要。
发明内容
本发明的目的在于提供一种显示面板，以解决现有的显示面板中在提高其显示分辨率时导致外围驱动电路的结构较为复杂的问题。
为解决上述技术问题，本发明提供一种显示面板，包括形成于显示区的多个子像素，每个所述子像素包括一发光单元和一驱动开关，所述发光单元包括第一电极，所述驱动开关与所述第一电极电连接；多个所述子像素中的发光单元构成包括多个像素列的像素阵列，其中：所述像素阵列中至少一个像素列上的多个发光单元对应至少两种不同颜色的子像素；多个所述子像素中的多个驱动开关构成包括多个驱动列的驱动阵列，且所述驱动阵列包括两个驱动列，所述两个驱动列上与同一种颜色的发光单元电连接的驱动开关连接至同一条数据线上。
可选的，所述显示面板还包括位于非显示区的外围驱动电路，所述外围驱动电路包括一源极驱动电路。
可选的，所述显示面板进一步包括多个开关元件，所述数据线通过相应的开关元件连接至所述源极驱动电路。
可选的，所述源极驱动电路包括一开关信号线和多条数据信号线，所述数据线通过相应的开关元件连接至所述源极驱动电路的所述开关信号线和所述多条数据信号线中相应的一条，所述开关信号线用于控制所述多个开关元件的导通，以使所述数据信号线通过相应的所述开关元件为相应的驱动开关提供数据信号。
可选的，每一所述数据信号线为对应其中一种颜色的驱动开关提供数据信号，对应同一种颜色的数据线均连接至同一数据信号线上。
可选的，同一驱动列中的多个驱动开关对应有至多两种不同的颜色；其中，对应有同一组两种不同颜色的两个驱动列紧邻排布，同一条数据线连接所述两个驱动列中相同颜色的驱动开关。
可选的，所述多个子像素对应有三种不同颜色，在所述驱动阵列中，一部分数量的驱动列中的多个驱动开关均与所述三种不同颜色中的一种颜色的发光单元电连接；另一部分数量的驱动列中的多个驱动开关分别与所述三种不同颜色中的另外两种颜色的发光单元电连接，且所述另一部分数量的驱动列成对紧邻排布。
可选的，所述多个子像素对应有四种不同颜色，在所述驱动阵列中，一部 分数量的驱动列中的多个驱动开关分别与所述四种不同颜色中的两种颜色的发光单元电连接，且所述部分数量的驱动列成对紧邻排布；另一部分数量的驱动列中的多个驱动开关分别与所述四种不同颜色中的另外两种颜色的发光单元电连接，且所述另一部分数量的驱动列也成对紧邻排布。
可选的，每个驱动开关具有用于与所述数据线连接的接触点，所述相邻的两个驱动列上对应同一种颜色的多个驱动开关的接触点在列方向上对齐排布，列方向上对齐排布的多个接触点均连接至同一数据线上。
可选的，所述多个子像素对应有三种不同颜色；在所述像素阵列的列方向上，对应三种不同颜色的发光单元依次排列；在所述像素阵列的行方向上，对应相同颜色的发光单元沿着列方向相互错开。
可选的，所述多个子像素构成多个呈阵列式排布的像素单元，每个所述像素单元中包括三个分别对应不同颜色的子像素。
可选的，每个像素单元中的三个子像素的发光单元分别排布在所述像素阵列中相邻的两个列上；以及每个像素单元沿着行方向翻转180°后的排布结构与该像素单元同一列中相邻的像素单元的排布结构相同。
可选的，每个像素单元中的三个子像素的发光单元排布在同一列上。
基于以上所述的显示面板，本发明还提供一种显示装置，所述显示装置包括如上所述的显示面板。
在本发明提供的显示面板中，像素阵列的列方向上不对应同一种颜色，与传统的像素排布中列方向均对应同一种颜色相比，本发明中的显示装置能够有效提高显示分辨率和显示均匀性。在此基础上，使所述驱动阵列中相邻的两个驱动列上与同一种颜色的发光单元电连接的驱动开关连接至同一条数据线上，即，同一数据线可同时连接两个驱动列中对应同一种颜色的驱动开关，从而使同一数据线上均连接同一种颜色的驱动开关，如此一来，即可进一步简化数据线与外围驱动电路的连接关系，并能够相应的简化外围驱动电路的结构。例如，每一数据线可仅通过一个开关元件连接至所述外围驱动电路上，在外围驱动电路中，也可仅提供一条开关信号线并配合与子像素颜色相对应的数据信号线，使与数据线连接的所有的开关元件可均连接至该条开关信号线上，以及对应颜 色的数据线可连接至与之相应的数据信号线上，如此，有利于减少外围驱动电路中的线路的数量。其中，所述外围驱动电路例如可以为面板测试电路。
附图说明
图1为一种显示面板其显示区的结构示意图；
图2为图1所示的显示面板中驱动阵列和外围驱动电路的连接示意图；
图3为本发明实施例一中的显示面板其显示区的结构示意图；
图4为本发明实施例一中的显示面板其驱动阵列和外围驱动电路的一种连接方式示意图；
图5为本发明实施例一中的显示面板其像素阵列的示意图；
图6为本发明实施例一中的显示面板其驱动阵列和外围驱动电路的另一种连接方式示意图；
图7为本发明实施例二中的显示面板其驱动阵列和外围驱动电路的连接方式示意图。
具体实施方式
如背景技术所述，目前为实现显示面板的高显示分辨率，通常会采用非RGB依次排列的规律的像素排布方式，以使像素阵列的列方向上可至少对应有两种颜色，针对这种不规律的像素排布方式，其驱动开关也相应的不会依据RGB顺序规律排布，这不仅会使驱动开关与发光单元之间的电连接关系较为复杂，并且也进一步导致了外围驱动电路的复杂化。
例如，图1为一种显示面板其显示区的结构示意图，如图1所示，所述显示面板包括形成在一基板的显示区上的多个子像素100，且多个子像素100中至少对应有三种不同的颜色。每一子像素100均包括一发光单元110和一驱动开关120，所述发光单元包括第一电极，所述驱动开关120与所述第一电极电连接。其中，多个所述子像素中的多个发光单元110构成像素阵列，且在所述像素阵列中列方向上的多个发光单元110构成像素列且对应至少两种不同的颜色。例如，图1中的像素阵列中，第一列上的发光单元110依次对应蓝色B、红色R 和绿色G，第二列上的发光单元110依次对应红色R、绿色G和蓝色B。继续参考图1所示，多个子像素100的多个驱动开关120构成驱动阵列，在驱动阵列中，第一列上的驱动开关120依次对应蓝色B和红色R，第二列上的驱动开关120依次对应红色R和绿色G，第三列上的驱动开关120依次对应绿色G和蓝色B。即，在驱动阵列中，每一列上的2个驱动开关120分别用于与2种不同的颜色的发光单元110电连接。可见，针对非RGB沿行方向依次排列的像素阵列而言，由于像素阵列的列方向上不对应同一种颜色，从而使与之对应的驱动阵列的列方向上所排布的多个驱动开关通常也不会均对应同一种颜色。
图2为图1所示的显示面板中驱动阵列和外围驱动电路的连接示意图，其中，所述外围驱动电路例如为面板测试电路(Cell Test，CT电路)。重点参考图2所示，在驱动阵列12中，同一列上的驱动开关120不是对应同一种颜色，从而对同一驱动列上的多个驱动开关120需根据不同的颜色而分别提供相应的数据信号，即，在同一驱动列上需根据多种颜色而相应的设置多个开关元件P以连接至所述外围驱动电路上。相应的，在外围驱动电路中也需针对多个对应不同颜色的开关元件P提供相应的开关信号线，以通过不同的开关信号线控制相应的开关元件P的导通或关断，进而可通过不同的开关元件P为不同颜色的子像素提供数据信号。由于每一驱动列上的多个驱动开关120均对应有至少两种不同的颜色，从而在每一驱动列上也需相应的设置至少两个开关元件P，并且为能够对不同驱动列上不同颜色的驱动开关120分别提供相应的数据信号，还需设置大量的开关信号线，以分别对不同驱动列上对应不同颜色的开关元件P进行控制，如此一来将直接导致所采用的外围驱动电路的结构也相应的较为复杂。例如图2所示，在第一列上的多个驱动开关120对应有蓝色B和红色R，因此需分别提供两个开关元件P，并分别连接至开关信号线SW1和开关信号线SW2，类似的，第二驱动列上也需设置两个开关元件P，并分别提供开关信号线SW3和开关信号线SW4，以及第三驱动列上也需设置两个开关元件P，并分别提供开关信号线SW5和开关信号线SW6。
根据图1和图2可知，在利用不规律的像素排布方式，使像素阵列中列方向上的多个发光单元可至少对应有两种颜色，虽然有利于提高显示面板的分辨 率和显示均匀性，然而，其同时也会使子像素中发光单元和驱动开关的连接复杂化，并进一步导致外围驱动电路的结构也更为繁杂。
为此，本发明提供了一种显示面板，包括形成于一基板的显示区上的多个子像素，每个所述子像素包括一发光单元和一驱动开关，所述发光单元包括第一电极，所述驱动开关与所述第一电极电连接；多个所述子像素中的发光单元构成像素阵列，所述像素阵列中至少一个像素列上的多个发光单元对应至少两种颜色的子像素；多个所述子像素中的多个驱动开关构成驱动阵列，且在所述驱动阵列中两个驱动列上与同一种颜色的发光单元电连接的驱动开关连接至同一条数据线上。
即，本发明提供的显示面板中，其仍然采用不规律的像素排布方式，使像素列上的多个发光单元可不对应同一种颜色，从而保证了显示面板的高分辨率。在此基础上，使驱动阵列中相邻的两个驱动列上与同一种颜色的发光单元电连接的驱动开关连接至同一条数据线上，从而使每一数据线上连接的多个驱动开关均对应同一种颜色，进而可简化与数据线连接的外围驱动电路的结构。
以下结合附图和具体实施例对本发明提出的显示面板及显示装置作进一步详细说明。根据下面说明，本发明的优点和特征将更清楚。需说明的是，附图均采用非常简化的形式且均使用非精准的比例，仅用以方便、明晰地辅助说明本发明实施例的目的。
图3为本发明实施例一中显示面板的显示区的结构示意图，如图3所示，所述显示面板包括形成于一基板的显示区上的多个子像素200，多个子像素200中至少对应有三种不同的颜色，例如红色R、蓝色B和绿色G。本实施例中以多个子像素200中对应有三种不同的颜色为例进行解释说明，当然，为进一步提高显示面板的显示效果，还可使多个子像素对应有四种不同的颜色，例如分别为红色、绿色、蓝色和白色，或者红色、绿色、蓝色和黄色等。以及，图3中仅示意性的示出了其中部分子像素200。
所述子像素200具有一发光单元210和一驱动开关220，所述发光单元210 包括第一电极(图中未示出)，所述驱动开关220与所述第一电极电连接。进一步的，所述发光单元210还包括第二电极(图中未示出)，以及位于第一电极和第二电极之间的发光层(图中未示出)，其中，所述第一电极可构成阳极，所述第二电极可构成阴极。
其中，多个子像素200的多个发光单元210构成像素阵列，同一列上的多个发光单元210构成一像素列，且在所述像素阵列中存在有列方向上的多个发光单元210对应至少两种不同颜色的像素列。例如，在像素阵列中，一部分的像素列上的多个发光单元对应有至少两种不同的颜色，另一部分的像素列上的多个发光单元仅对应有一种颜色；当然，在像素阵列中也可以是每一像素列中的多个发光单元均对应有至少两种不同的颜色。
以及，多个所述子像素200中的多个驱动开关220构成驱动阵列，且在所述驱动阵列中，两个驱动列上与同一种颜色的发光单元210电连接的驱动开关220连接至同一条数据线S上。优选的，所述驱动阵列中，可使相邻的两个驱动列上对应同一种颜色的驱动开关220连接至同一条数据线S上。
即，通过采用不规律的像素排布方式，使像素阵列中具有列方向上的多个发光单元210不对应同一种颜色的像素列，从而可有效提高显示面板的显示分辨率。在此基础上，使驱动阵列中相邻的两个驱动列上对应于同一种颜色的驱动开关连接至同一条数据线上，由于每一条数据线S上均连接同一种颜色的驱动开关220，进而有利于简化与之连接的外围驱动电路的结构。例如，每一条数据线S只需要通过一个开关元件连接至外围驱动电路上，且在外围驱动电路中可仅设置一条开关信号线即可，所有数据线S可均连接至同一条开关信号线上，进而可大大减少外围驱动电路中开关信号线的数量。需说明的是，本文中的“列”并不是预定空间意义上的列，例如在不同的角度方向上也可以称之为“行”，类似的，本文中“行”在不同的角度方向上也可以称之为“列”。
继续参考图3所示，为了便于将不同驱动列中对应同一颜色的驱动开关220连接至同一数据线S上，可优选的，使同一驱动列中的多个驱动开关220对应有至多两种不同的颜色。从而，当驱动列中仅对应有一种颜色时，则该驱动列上的驱动开关即可均连接至同一数据线上；以及，当驱动列中对应有两种不同 的颜色时，则可使对应有同一组两种颜色的两个驱动列紧邻排布，进一步的，可使多个对应有同一组两种颜色的驱动列中的各驱动列成对紧邻排布，从而有利于实现同一条数据线连接紧邻排布的两个驱动列中对应相同颜色的驱动开关。
例如参考图3所示，本实施例中，所述多个子像素200中对应有三种不同的颜色，即，红色R、蓝色B和绿色G。在所述驱动阵列中，一部分数量的驱动列中的多个驱动开关220均与其中一种颜色的发光单元210电连接；另一部分数量的驱动列中的多个驱动开关220分别与另外两种颜色的发光单元210电连接，且所述另一部分数量的驱动列成对紧邻排布。即，如图3所示，多个对应绿色G的驱动开关220构成一个均对应绿色G的驱动列；以及，多个对应红色R的驱动开关和多个对应蓝色B的驱动开关构成一个对应有两种不同颜色的驱动列，在所述驱动阵列中，对应有两种不同颜色(即红色R和蓝色B)的驱动列两两紧邻排布，从而有利于不同驱动列中均对应红色R的驱动开关220连接至同一数据线S上，以及不同驱动列中均对应蓝色B的驱动开关220连接至同一数据线S上。
进一步的，所述驱动开关220具有一用于与所述数据线S连接的第二接触点222，所述驱动阵列中相邻的两个驱动列上对应同一种颜色的多个驱动开关的第二接触点222在列方向上对齐排布，列方向上对齐排布的多个第二接触点222均连接至同一数据线S上。即，为实现相邻两个驱动列中对应相同颜色的驱动开关能够连接至同一数据线上，一方面可直接对驱动开关的排布方式进行调整，例如可使相邻的两个驱动列均分别是对应同一种颜色的；另一方面，还可在不改变驱动开关的排布方式的基础上，对驱动开关中的第二接触点222的排布方式进行调整，以使排布在同一列中的多个第二接触点222所对应的多个驱动开关220均与同一种颜色的发光单元210电连接。
例如图3所示，在紧邻排布的两个驱动列中，其两个驱动列中仍然是均对应有红色R和蓝色B，在此基础上，将驱动开关的第二接触点222进行调整，从而使对应红色R的各驱动开关的第二接触点222排布在同一列上，以及将对应蓝色B的各驱动开关的第二接触点222排布在同一列上。
具体的，所述驱动开关220包括驱动晶体管和开关晶体管，所述驱动晶体管的漏极可构成一第一接触点221，用于与所述发光单元210电连接，所述驱动开关的源极与所述开关晶体管的漏极电连接，所述开关晶体管的源极构成所述第二接触点222，并连接至所述数据线S。
以下针对一种具体的像素排布方式进行解释说明。图4为本发明实施例一中的显示面板其驱动阵列和外围驱动电路的连接示意图，图5为本发明实施例一中的显示面板其像素阵列的示意图。本实施例中，仅以图3和图5所示的像素阵列为例，然而应当认识到，只要像素阵列中列方向上的多个发光单元不对应相同的颜色时，均可根据本发明给出的“通过共用数据线”思想，减少数据线的数量，并使外围驱动电路的结构更为简单。
结合图3和图5所示，在像素阵列21中，存在列方向上的多个发光单元210至少对应有两种不同颜色的像素列。例如，本实施例中，每一像素列上的多个发光单元210均至少对应有两种不同颜色，如图5中像素阵列21的列方向上分别对应有红色R、绿色G和蓝色B。结合图3和图4所示，本实施例中，结合驱动开关220的排布方式以及驱动开关220中第二接触点222与数据线S的连接方式，进一步简化了驱动开关220和数据线S的连接关系，并能够实现每一条数据线S均连接相同颜色的驱动开关220的目的。
具体的，在驱动阵列22中，通过将对应其中一种颜色(本实施例中为绿色G)的驱动开关220在列方向上单独重复排布，以及将对应另外两种颜色(本实施例中为红色R和蓝色B)的驱动开关220在列方向上相邻排布，且使均对应有红色R和蓝色B的驱动列两两紧邻排布。如此一来，均对应绿色G的驱动列中的多个驱动开关220可直接连接至数据线S3上；以及，紧邻排布的两个驱动列中对应红色R的驱动开关可均连接至数据线S1上，具体的使对应红色R的驱动开关的第二接触点222均连接至数据线S1上；对应蓝色B的驱动开关B均连接至数据线S2上，具体的使对应蓝色B的驱动开关的第二接触点222均连接至数据线S2上。本实施例中，紧邻排布的两个驱动列中均对应有同一组两种颜色(即，均对应有红色R和蓝色B)，并且在紧邻排布的两个驱动列中，分别位于不同驱动列上且在驱动阵列的同一行上的两个驱动开关分别对应两种不同的颜 色。此外，本实施例中，对应红色R和蓝色B的驱动开关220在列方向上交替排布，从而使紧邻排布的两个驱动列中，分别位于不同驱动列上且在驱动阵列的奇数行上的两个对应不同颜色的驱动开关220和位于偶数行上的两个对应不同颜色的驱动开关220，其在行方向上的排布方式相反(例如，在奇数行上的两个驱动开关220依次对应红色R和蓝色B，在偶数行上的两个驱动开关220依次对应蓝色B和红色R)，进而，在紧邻排布的两个驱动列中，用于连接同一种颜色的数据线，在奇数行连接其中一个驱动列上的驱动开关220，在偶数行上连接另外一个驱动列上的驱动开关220，即，交替连接不同驱动列上的驱动开关220，进而使紧邻排布的两个驱动列中对应同一种颜色的驱动开关220可均连接至同一数据线上。
本实施例中，是基于像素阵列21中每一像素列上均对应有至少两种不同颜色的像素排布方式，进而通过调整驱动阵列的排布方式以及驱动阵列中驱动开关与数据线的连接方式，以使每一数据线均连接同一种颜色的驱动开关。然而应当认识到，在其他实施例中，当像素阵列中，一部分数量的像素列上至少对应有两种不同的颜色，另一部分数量的像素列上仅对应有一种颜色时，其仍然可以采用类似于本实施例中的驱动开关与数据线的连接方式。例如，在其他实施例中，一部分数量的像素列上均对应有红色的发光单元和蓝色的发光单元，另一部分数量的像素列上仅对应绿色的发光单元，此时，可保持与绿色发光单元电连接的驱动开关在列方向上单独重复排布，进而可直接连接至同一条数据线上，而仅需要调整红色的驱动开关和蓝色的驱动开关与数据线的连接方式即可，即，使两个相邻的驱动列中对应红色的驱动开关连接至同一数据线上，对应蓝色的驱动开关连接至同一数据线上。
此外，本实施例中，基于像素阵列21中每一像素列上均对应有至少两种不同颜色的排布方式，同时调整驱动开关的排布方式(即，如图4所示的驱动阵列22的排布方式)和驱动开关与数据线的连接方式。而作为另一个可选的方案中，也可以在保持图2所示的驱动阵列12的基础上，仅调整驱动开关120与数据线的连接方式，使一条数据线均连接同一种颜色的驱动开关。具体参看图6所示，在相邻的两个驱动列上与同一种颜色的发光单元电连接的驱动开关连接 至同一条数据线上，例如，第一驱动列和第二驱动列中均对应红色R的驱动开关120可均连接至数据线S12上，第二驱动列和第三驱动列中均对应绿色G的驱动开关120可均连接至数据线S13上。需说明的是，图6中仅示意性的示出了部分的驱动开关，因此，在第一驱动列和第三驱动列的两侧还存在有其他的驱动列，第一驱动列和第三驱动列上对应蓝色B的驱动开关120分别与相邻的对应蓝色B的驱动开关连接至同一数据线上。可见，与图2所示的驱动开关与数据线连接关系相比，图6中的每一数据线均连接同一种颜色的驱动开关，从而有利于简化与所述数据线连接的外围驱动电路的结构。例如，在将数据线连接至外围驱动电路上时，每一数据线仅需通过一个开关元件P即可，以及外围驱动电路中也仅需要提供一条开关信号线，以用于对所述开关元件P进行控制。
继续参考图4所示，所述显示面板的外围驱动电路位于基板的非显示区上，所述外围驱动电路包括一源极驱动电路，与所述驱动阵列22中的驱动开关220连接的数据线连接至源极驱动电路。所述外围驱动电路还包括一栅极驱动电路，所述栅极驱动电路与栅线连接，用于提供栅极驱动信号。其中，在驱动阵列22中，同一行上的多个驱动开关220连接至同一条栅线上。例如图4中仅示出了4行*3列的驱动开关220，则相应的分别连接至4条栅线上。此外，本实施例中，所述驱动开关220还包括开关晶体管，所述开关晶体管的源极连接至所述数据线上，所述开关晶体管的栅极连接至所述栅线上。
具体的，所述源极驱动电路包括开关信号线和数据信号线，其中，所述数据线通过一个开关元件P连接至所述开关信号线和所述数据信号线，所述开关信号线用于控制所述开关元件P的导通，以使所述数据信号线通过所述开关元件P为相应颜色的驱动开关220提供数据信号。由于每一条数据线上均连接对应同一种颜色的驱动开关，因此，在源极驱动电路中可仅需要设置一条开关信号线SW1即可，并使所有的数据线可通过开关元件P连接至同一条开关信号线SW1上。此外，所述数据信号线分别为对应其中一种颜色的驱动开关220提供数据信号，对应同一种颜色的数据线均连接至同一数据信号线上。例如，当多个子像素中对应有三种不同的颜色时，所述源极驱动电路可相应的设置三条数据信号线(D1’/D2’/D3’)，三条数据信号线分别为三种不同颜色的子像素提供数 据信号；或者，当所述多个子像素中对应有四种不同的颜色时，则所述源极驱动电路中可设置四条数据信号线，四条数据信号线分别为四种不同颜色的子像素提供数据信号。进一步的，所述开关元件P为晶体管开关，所述晶体管开关的栅极与所述开关信号线连接。
继续参考图4所示的4行*3列的驱动开关220，其3条数据线可通过各自对应的开关元件P连接至同一开关信号线SW1上，以及3条数据线中，数据线D1可为红色R子像素提供数据信号，数据线D2可为蓝色子像素提供数据信号，以及数据线D3可为绿色子像素提供数据信号。因此，连接红色R的驱动开关220的数据线S1通过对应的开关元件P连接至开关信号线SW1和数据线D1，以及连接蓝色B的驱动开关220的数据线S2通过对应的开关元件P连接至开关信号线SW1和数据线D2，连接绿色G的驱动开关220的数据线S3通过对应的开关元件P连接至开关信号线SW1和数据线D3。
以下重点参考图5，以对本实施例中的像素阵列21进行详细说明。在像素阵列21中，同一像素列中的多个发光单元210不对应同一种颜色，本实施例中，像素阵列21的列方向上均对应有三种不同的颜色，即，蓝色B、红色R和绿色G，且对应三种不同颜色的发光单元210依次排列。然而，应当认识到，在其他实施例中，像素阵列的列方向上也可仅对应有其中两种颜色。在像素阵列21的行方向上，具有相同颜色的发光单元210相互错开，从而在行方向上的多个发光单元210也不对应同一颜色，进而可进一步提高显示面板的显示均匀性。
进一步的，在具体的显示面板中还可根据实际状况对像素单元进行界定。其中，多个子像素构成多个呈阵列式排布的像素单元，并且每个所述像素单元中至少包括三个分别对应不同颜色的子像素。本实施例中，继续参考图5所示，可将相邻的三个不同颜色的发光单元210所对应的三个子像素定义为一个像素单元。例如图5所示，可将对应列方向上的相邻的三个发光单元210所对应的三个子像定义为一个像素单元20a；或者，可将相邻两个像素列中沿行方向相邻的三个不同颜色的发光单元210所对应的三个子像素定义为一个像素单元20b，即，所述像素单元20b中的三个子像素的发光单元210分别排布在所述像素阵列21中相邻的两个列上，此时，每个像素单元20b沿着行方向翻转180°后的排 布结构与同一列中相邻的像素单元20b的排布结构相同。需说明的是，像素单元可根据显示面板的具体算法进行界定，此处仅为示意图说明并不做限定。
实施例二
与实施例一区别在于，本实施例中，多个子像素中对应有四种不同的颜色，例如红色、绿色、蓝色和白色，或者红色、绿色、蓝色和黄色等。由多个子像素的发光单元构成的像素阵列中，存在列方向上对应有两种不同颜色的像素列。例如，所述像素阵列中，部分像素列上对应有其中两种颜色(例如，蓝色和白色)，另一部分像素列上对应有另外两种颜色(例如，红色和绿色)。
具体参考图7所示，本实施例中的驱动阵列32中，可使一部分数量的驱动列中的多个驱动开关320分别与其中两种不同颜色的发光单元电连接，且所述一部分数量的驱动列成对紧邻排布；另一部分数量的驱动列中的多个驱动开关320分别与另外两种不同颜色的发光单元电连接，且所述另一部分数量的驱动列也成对紧邻排布。如此一来，对应有所述其中两种颜色的驱动列中，两种颜色的驱动开关分别连接至两条对应的数据线上；以及，对应有所述另外两种颜色的驱动列中，两种颜色的驱动开关也分别连接至另外两条对应的数据线上。
继续参考图7所示，本实施例中，多个子像素中对应有红色R、蓝色B、绿色G和白色W。由所述多个子像素的多个驱动开关320构成的驱动阵列32中，一部分数量的驱动列上对应蓝色B和白色W的驱动开关320，另一部分数量的驱动列上对应有红色R和绿色G的驱动开关320，其中均对应有蓝色B和白色W的驱动列两两紧邻排布，以使两个紧邻排布的驱动列中，均对应蓝色B的驱动开关320均连接至数据线S22上，以及均对应白色W的驱动开关320均连接至数据线S21上；类似的，使均对应红色R的驱动开关320均连接至数据线S24上，均对应绿色G的驱动开关320均连接至数据线S23上。
本实施例中，多个子像素中对应有四种不同的颜色时，仍然可使相邻的两个驱动列中对应相同颜色的驱动开关共同连接同一数据线上，以使每一数据线均连接同一种颜色的驱动开关，以简化数据线与外围驱动电路的连接方式，并能够进一步简化外围驱动电路的结构。
此外，基于以上所述的显示面板，本发明还提供了一种具有如上所述的显示面板的显示装置。所述显示装置相应的具备较好的显示分辨率和显示均匀性，同时其外围驱动电路的结构也较为简单。
综上所述，在本发明提供的显示面板中，像素阵列的列方向上不应用同一种颜色，不同于传统的像素排布中列方向均对应同一种颜色，从而使本发明中的显示面板具备更好的显示分辨率和显示均匀性。在此基础上，使驱动阵列中相邻的两个驱动列上对应相同颜色的驱动开关连接至同一条数据线上，同一数据线上可同时连接不同驱动列中对应相同颜色的驱动开关，一方面可有效减少数据线的数量，另一方面还可进一步简化与之连接的外围驱动电路的结构。
上述描述仅是对本发明较佳实施例的描述，并非对本发明范围的任何限定，本发明领域的普通技术人员根据上述揭示内容做的任何变更、修饰，均属于权利要求书的保护范围。

Claims (14)

  1. 一种显示面板，包括形成于显示区的多个子像素，每个所述子像素包括一发光单元和一驱动开关，所述发光单元包括第一电极，所述驱动开关与所述第一电极电连接；多个所述子像素中的发光单元构成包括多个像素列的像素阵列，其中：所述像素阵列中至少一个像素列上的多个发光单元对应至少两种不同颜色的子像素；多个所述子像素中的多个驱动开关构成包括多个驱动列的驱动阵列，且所述驱动阵列包括两个驱动列，所述两个驱动列上与同一种颜色的发光单元电连接的驱动开关连接至同一条数据线上。
  2. 如权利要求1所述的显示面板，其中，所述显示面板还包括位于非显示区的外围驱动电路，所述外围驱动电路包括一源极驱动电路。
  3. 如权利要求2所述的显示面板，其中，所述显示面板进一步包括多个开关元件，所述数据线通过相应的开关元件连接至所述源极驱动电路。
  4. 如权利要求3所述的显示面板，其中，所述源极驱动电路包括一开关信号线和多条数据信号线，所述数据线通过相应的开关元件连接至所述源极驱动电路的所述开关信号线和所述多条数据信号线中相应的一条，所述开关信号线用于控制所述多个开关元件的导通，以使所述数据信号线通过相应的所述开关元件为相应的驱动开关提供数据信号。
  5. 如权利要求4所述的显示面板，其中，每一所述数据信号线为对应其中一种颜色的驱动开关提供数据信号，对应同一种颜色的数据线均连接至同一数据信号线上。
  6. 如权利要求1所述的显示面板，其中，同一驱动列中的多个驱动开关对应有至多两种不同的颜色；其中，对应有同一组两种不同颜色的两个驱动列紧邻排布，同一条数据线连接所述两个驱动列中相同颜色的驱动开关。
  7. 如权利要求6所述的显示面板，其中，所述多个子像素对应有三种不同颜色，在所述驱动阵列中，一部分数量的驱动列中的多个驱动开关均与所述三种不同颜色中的一种颜色的发光单元电连接；另一部分数量的驱动列中的多个驱动开关分别与所述三种不同颜色中的另外两种颜色的发光单元电连接，且所述另一部分数量的驱动列成对紧邻排布。
  8. 如权利要求6所述的显示面板，其中，所述多个子像素对应有四种不同颜色，在所述驱动阵列中，一部分数量的驱动列中的多个驱动开关分别与所述四种不同颜色中的两种颜色的发光单元电连接，且所述部分数量的驱动列成对紧邻排布；另一部分数量的驱动列中的多个驱动开关分别与所述四种不同颜色中的另外两种颜色的发光单元电连接，且所述另一部分数量的驱动列也成对紧邻排布。
  9. 如权利要求1所述的显示面板，其中，每个驱动开关具有用于与所述数据线连接的接触点，所述相邻的两个驱动列上对应同一种颜色的多个驱动开关的接触点在列方向上对齐排布，列方向上对齐排布的多个接触点均连接至同一数据线上。
  10. 如权利要求1所述的显示面板，其中，所述多个子像素对应有三种不同颜色；在所述像素阵列的列方向上，对应三种不同颜色的发光单元依次排列；在所述像素阵列的行方向上，对应相同颜色的发光单元沿着列方向相互错开。
  11. 如权利要求1所述的显示面板，其中，所述多个子像素构成多个呈阵列式排布的像素单元，每个所述像素单元中包括三个分别对应不同颜色的子像素。
  12. 如权利要求11所述的显示面板，其中，每个像素单元中的三个子像素的发光单元分别排布在所述像素阵列中相邻的两个列上；以及每个像素单元沿着行方向翻转180°后的排布结构与该像素单元同一列中相邻的像素单元的排布结构相同。
  13. 如权利要求11所述的显示面板，其中，每个像素单元中的三个子像素的发光单元排布在同一列上。
  14. 一种显示装置，包括如权利要求1至13中任一项所述的显示面板。
PCT/CN2018/086293 2017-08-31 2018-05-10 显示面板及显示装置 Ceased WO2019041881A1 (zh)

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