CN115172408A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN115172408A CN115172408A CN202210162039.8A CN202210162039A CN115172408A CN 115172408 A CN115172408 A CN 115172408A CN 202210162039 A CN202210162039 A CN 202210162039A CN 115172408 A CN115172408 A CN 115172408A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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Abstract
The invention discloses a display panel and a display device, aiming at solving the problem that the display panel in the prior art has larger risks of horizontal lines and vertical lines during displaying. In the first driving group of the display panel, the light emitting devices electrically connected to the second and fourth driving circuits parallel to the second direction have the same light emitting color, one of the second and fourth driving circuits is electrically connected to the first data line, and the other is electrically connected to the second data line; in the second driving group, the light-emitting color of the light-emitting device electrically connected with the second and fourth driving circuits parallel to the second direction is the same as the light-emitting color of the light-emitting device electrically connected with the second driving circuit in the first driving group; in the second driving group, one of the second and fourth driving circuits is electrically connected to the first data line, and the other is electrically connected to the second data line.
Description
Technical Field
The invention relates to the technical field of semiconductors, in particular to a display panel and a display device.
Background
At present, the market has a greater demand for an Active-matrix organic light-emitting diode (AMOLED) display panel with a high frame frequency, and a recently proposed Dual data line driving (Dual Source) scheme can realize 120Hz driving on the premise of ensuring a display effect. However, the display panel has a large risk of horizontal lines and vertical lines during display.
Disclosure of Invention
The invention provides a display panel and a display device, which aim to solve the problem that the display panel in the prior art has larger risks of horizontal lines and vertical lines during displaying.
An embodiment of the present invention provides a display panel, including: the pixel driving circuit comprises a substrate base plate and a plurality of light-emitting units positioned on one side of the substrate base plate, wherein each light-emitting unit comprises a driving circuit and a light-emitting device electrically connected with the pixel in a driving mode;
the plurality of driving circuits includes: the driving circuit comprises a first driving row and a second driving row which are arranged along a first direction, wherein the first driving row comprises a plurality of first driving groups which are periodically arranged along a second direction, the second driving row comprises a plurality of second driving groups which are periodically arranged along the second direction, the first driving group and the second driving group respectively comprise four driving circuits, and a region where each driving circuit is located is provided with a first data line and a second data line;
in the first driving group, the light emitting devices electrically connected with a second driving circuit and a fourth driving circuit which are parallel to the second direction have the same light emitting color, one of the second driving circuit and the fourth driving circuit is electrically connected with the first data line, and the other one is electrically connected with the second data line;
in the second driving group, the light-emitting color of the light-emitting device electrically connected with the second and fourth driving circuits parallel to the second direction is the same as the light-emitting color of the light-emitting device electrically connected with the second driving circuit in the first driving group; in the second driving group, one of the second and fourth driving circuits is electrically connected to the first data line, and the other is electrically connected to the second data line, and the second driving circuit in the second driving group is different from the data line electrically connected to the second driving circuit in the first driving group.
In one possible embodiment, in the first driving group, the light emitting devices electrically connected to the first and third driving circuits parallel to the second direction have different light emitting colors, and one of the first and third driving circuits is electrically connected to the first data line, and the other is electrically connected to the second data line.
In one possible embodiment, in the second driving group, the light emitting devices electrically connected to the first and third driving circuits parallel to the second direction have different light emitting colors, one of the first and third driving circuits is electrically connected to the first data line, the other is electrically connected to the second data line, and the first one of the driving circuits in the second driving group is different from the data line electrically connected to the first one of the driving circuits in the first driving group.
In one possible embodiment, in the second driving group, the light emitting device electrically connected to the first one of the driving circuits in parallel to the second direction has the same light emitting color as the light emitting device electrically connected to the third one of the driving circuits in the first driving group;
in the second driving group, the light emitting color of the light emitting device electrically connected to the third driving circuit parallel to the second direction is the same as the light emitting color of the light emitting device electrically connected to the first driving circuit in the first driving group.
In a possible implementation manner, in the first driving group, a second one of the driving circuits is electrically connected to the first data line, and a fourth one of the driving circuits is electrically connected to the second data line;
in the second driving group, the second driving circuit is electrically connected with the second data line, and the fourth driving circuit is electrically connected with the first data line.
In a possible implementation manner, in the first driving group, a second one of the driving circuits is electrically connected to the second data line, and a fourth one of the driving circuits is electrically connected to the first data line;
in the second driving group, the second driving circuit is electrically connected with the first data line, and the fourth driving circuit is electrically connected with the second data line.
In a possible implementation manner, in the first driving group, a first one of the driving circuits is electrically connected to the first data line, and a third one of the driving circuits is electrically connected to the second data line;
in the second driving group, the first driving circuit is electrically connected with the second data line, and the third driving circuit is electrically connected with the first data line.
In one possible embodiment, the first driving rows and the second driving rows are alternately arranged in sequence along the first direction.
In one possible implementation, the first data line and the second data line are respectively located at two sides of the driving circuit.
In a possible implementation, the first data line is electrically connected to a first node of the driving circuit, the second data line is electrically connected to a second node of the driving circuit, and the first node and the second node are different points of the driving circuit.
In one possible embodiment, in the first driving group, the light emitting devices electrically connected to the second and fourth driving circuits emit green light, the light emitting device electrically connected to the first driving circuit emits blue light, and the light emitting device electrically connected to the third driving circuit emits red light;
in the second driving group, the light emitting device electrically connected with the second and the fourth driving circuits emits green light, the light emitting device electrically connected with the first driving circuit emits red light, and the light emitting device electrically connected with the third driving circuit emits blue light.
In a possible embodiment, the center of the anode of the light emitting device electrically connected to the second one of the driving circuits in the first driving group is parallel to the first direction.
In a possible embodiment, a straight line passing through the center of the anode of the light emitting device electrically connected to the first one of the driving circuits in the first driving group and parallel to the first direction is located between the anode of the light emitting device electrically connected to the first one of the driving circuits in the second driving group and the anode of the light emitting device electrically connected to the second one of the driving circuits;
a straight line passing through the center of the anode of the light emitting device electrically connected to the third driving circuit in the first driving group and parallel to the first direction is located between the anode of the light emitting device electrically connected to the second driving circuit in the second driving group and the anode of the light emitting device electrically connected to the third driving circuit.
In one possible embodiment, a first one of the driving circuits of the first driving group and a first one of the driving circuits of the second driving group are located in a same column, a second one of the driving circuits of the first driving group and a second one of the driving circuits of the second driving group are located in a same column, a third one of the driving circuits of the first driving group and a third one of the driving circuits of the second driving group are located in a same column, and a fourth one of the driving circuits of the first driving group and a fourth one of the driving circuits of the second driving group are located in a same column.
Based on the same inventive concept, the embodiment of the invention further provides a display device, which comprises the display panel provided by the embodiment of the invention.
The embodiment of the invention has the following beneficial effects: in the embodiment of the invention, in the first driving group, the light emitting devices electrically connected with the second and fourth driving circuits have the same light emitting color, one of the second and fourth driving circuits is electrically connected with the first data line, and the other one is electrically connected with the second data line, so that the driving circuits corresponding to the light emitting devices with the same light emitting color in the first driving row are alternately connected with the first data line and the second data line; in the second driving group, the light emitting colors of the light emitting devices electrically connected with the second and fourth driving circuits parallel to the second direction are the same as the light emitting colors of the light emitting devices electrically connected with the second driving circuit in the first driving group, in the second driving group, one of the second and fourth driving circuits is electrically connected with the first data line, and the other is electrically connected with the second data line, so that the driving circuits corresponding to the light emitting devices with the same light emitting color in the second driving row are alternately and electrically connected with the first data line and the second data line, and further when a display panel displays a monochrome picture (for example, a green display picture), the brightness of each light emitting unit row is uniform, and the problem that if the light emitting devices with the same light emitting color in the same driving circuit row are electrically connected with the same data line, when different driving circuit rows are connected with different data lines (for example, the first driving row is electrically connected with the first data line, the second driving row is electrically connected with the second data line) and the parasitic capacitances generated when different driving circuits are connected with different data lines, the light emitting devices are supplied with different electrical signals, so that the light emitting devices are not alternately and the light emitting rows are not distributed horizontally and the monochrome picture is poor; and the second driving circuit in the second driving group is different from the data line electrically connected with the second driving circuit in the first driving group, and in the light-emitting devices with the same light-emitting color in each row, further when the display panel displays a monochromatic picture, the brightness of each light-emitting unit row can be uniform, and the problem that bright vertical lines and dark vertical lines are alternately distributed when the display panel displays the monochromatic picture is solved.
Drawings
Fig. 1 is a schematic layout diagram of a driving circuit according to an embodiment of the present invention;
FIG. 2 is a schematic view of the arrangement of light emitting devices corresponding to FIG. 1;
fig. 3 is a second layout diagram of a driving circuit according to the second embodiment of the present invention;
FIG. 4 is a schematic view of the arrangement of light emitting devices corresponding to FIG. 3;
fig. 5 is a third schematic layout diagram of a driving circuit according to an embodiment of the present invention;
FIG. 6 is a schematic view of the arrangement of light emitting devices corresponding to FIG. 5;
FIG. 7 is a fourth schematic layout diagram of a driving circuit according to an embodiment of the present invention;
fig. 8 is a schematic view of the arrangement of light emitting devices corresponding to fig. 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and the like in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components is omitted from the present disclosure.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, where fig. 2 is a schematic diagram of an arrangement of light emitting devices corresponding to fig. 1, and fig. 4 is a schematic diagram of an arrangement of light emitting devices corresponding to fig. 3, an embodiment of the present invention provides a display panel, including: the pixel driving circuit comprises a substrate and a plurality of light-emitting units positioned on one side of the substrate, wherein each light-emitting unit comprises a driving circuit T and a light-emitting device F electrically connected with a pixel driver; specifically, in each light emitting unit, the light emitting device may be located on a side of the driving circuit away from the substrate; referring to fig. 1 and 2, in which the driving circuits T in one row in fig. 1 are electrically connected to the light emitting devices F in a row of one transverse dot line in fig. 2 in a one-to-one correspondence, specifically, for example, a first driving circuit T from the left in the first row in fig. 1 is electrically connected to a first light emitting device F from the left in the first transverse dot line in fig. 2, a second driving circuit T from the left in the first row in fig. 2 is electrically connected to a second light emitting device F from the left in the first transverse dot line in fig. 2, a third driving circuit T from the left in the first row in fig. 2 is electrically connected to a third light emitting device F from the left in the first transverse dot line in fig. 2, and a fourth driving circuit T from the left in the first row in fig. 2 is electrically connected to a fourth light emitting device F from the left in the first transverse dot line in fig. 2 \\8230 \; similarly, the first driving circuit T from the left of the second row in fig. 1 is electrically connected to the first light emitting device F from the left of the second transverse dot line in fig. 2, the second driving circuit T from the left of the second row in fig. 1 is electrically connected to the second light emitting device F from the left of the second transverse dot line in fig. 2, the third driving circuit T from the left of the second row in fig. 1 is electrically connected to the third light emitting device F from the left of the second transverse dot line in fig. 2, and the fourth driving circuit T from the left of the second row in fig. 1 is electrically connected to the fourth light emitting device F from the left of the second transverse dot line in fig. 2 \8230;
the plurality of driving circuits includes: the driving circuit comprises a first driving row S1 and a second driving row S2 which are arranged along a first direction C1, wherein the first driving row S1 comprises a plurality of first driving groups S11 which are periodically arranged along a second direction C2, the second driving row S2 comprises a plurality of second driving groups S21 which are periodically arranged along the second direction C2, the first driving groups S11 and the second driving groups S21 both comprise four driving circuits T, and a region where each driving circuit T is located is provided with a first data line D1 and a second data line D2;
in the first driving group S11, the light emitting devices F electrically connected to the second and fourth driving circuits T parallel to the second direction C2 have the same light emitting color, one of the second and fourth driving circuits T is electrically connected to the first data line D1, and the other is electrically connected to the second data line D2; specifically, for example, as shown in fig. 1 and fig. 2, the second and fourth driving circuits T from the left in the first row in fig. 1 are electrically connected to the second and fourth light emitting devices F from the left in the first transverse dot line in fig. 2, respectively, and the light emitting colors of the second and fourth light emitting devices F are the same, for example, green light emitting devices G1/G2 emitting green light, then one of the second and fourth driving circuits T from the left in the first row in fig. 1 is connected to the first data line D1, and the other is electrically connected to the second data line D2, specifically, for example, as shown in fig. 1, the second driving circuit T in the first driving group S11 is electrically connected to the first data line D1, and the fourth driving circuit T is electrically connected to the second data line D2, or, for example, as shown in fig. 3, the second driving circuit T in the first driving group S11 is electrically connected to the second data line D2, and the fourth driving circuit T is electrically connected to the first data line D1; specifically, for easy understanding, the light emitting unit in which the driving circuit T connected to the first data line D1 is located may be referred to as a type a light emitting unit, and the light emitting unit in which the driving circuit T connected to the second data line D2 is located may be referred to as a type B light emitting unit;
in the second driving group S21, the light emitting devices F electrically connected to the second and fourth driving circuits T parallel to the second direction C2 all emit light of the same color as the light emitting devices F electrically connected to the second driving circuit T in the first driving group S11; in the second driving group S21, one of the second and fourth driving circuits T is electrically connected to the first data line D1, and the other is electrically connected to the second data line D2, and the second driving circuit T in the second driving group S21 is different from the data line electrically connected to the second driving circuit T in the first driving group S11. Specifically, as shown in fig. 1, the second and fourth driving circuits T in the second row are electrically connected to the second and fourth light emitting devices F from the left on the second horizontal dot line in fig. 2, respectively, and the second and fourth light emitting devices F from the left on the second horizontal dot line have the same light emitting color as the second and fourth light emitting devices F from the left on the first horizontal dot line, specifically, for example, the four light emitting devices F are green light emitting devices G1/G2 emitting green light, then in the second driving group S21, one of the second and fourth driving circuits T is electrically connected to the first data line D1, and the other is electrically connected to the second data line D2, specifically, for example, as in fig. 1, in the second driving group S21, the second driving circuit T is electrically connected to the second data line D2, and the fourth driving circuit T is electrically connected to the first data line D1; alternatively, for example, as shown in fig. 3, in the second driving group S21, the second driving circuit T is electrically connected to the first data line D1, and the fourth driving circuit T is electrically connected to the second data line D2.
In the embodiment of the present invention, in the first driving group S11, the light emitting devices F electrically connected to the second and fourth driving circuits T have the same light emitting color, one of the second and fourth driving circuits T is electrically connected to the first data line D1, and the other is electrically connected to the second data line D2, so that in the first driving row S1, the driving circuits T corresponding to the light emitting devices F with the same light emitting color are alternately connected to the first data line D1 and the second data line D2, that is, the type a light emitting units and the type B light emitting units are alternately distributed, as shown by the first horizontal solid line in fig. 2; in the second driving group S21, the light emitting color of the light emitting device F electrically connected to the second and fourth driving circuits T parallel to the second direction C2 is the same as the light emitting color of the light emitting device F electrically connected to the second driving circuit T in the first driving group S11, in the second driving group S21, one of the second and fourth driving circuits T is electrically connected to the first data line D1, and the other is electrically connected to the second data line D2, so that the driving circuits T corresponding to the light emitting devices F of the same light emitting color in the second driving row S2 are alternately electrically connected to the first data line D1 and the second data line S2, that is, the type a light emitting units and the type B light emitting units are alternately distributed, as shown by the second horizontal solid line in fig. 2, and further, when the display panel displays a monochrome picture (for example, a green display picture), the luminance of each light emitting unit row is uniform, and when the light emitting devices of the same light emitting color in the same driving circuit row are electrically connected to the same data line, different driving circuits are electrically connected to different data lines, and thus, when the light emitting devices of the same driving circuit row are electrically connected to the same data line, and the parasitic display panel displays different data lines, the parasitic elements, and the parasitic elements are not connected to the second driving lines; the second driving circuit T in the second driving group S21 is different from the data line electrically connected to the second driving circuit T in the first driving group S11, and the a-type light emitting units and the B-type light emitting units are alternately arranged in each row of the light emitting devices with the same light emitting color, as shown by the vertical solid line in fig. 2, so that when the display panel displays a monochrome picture, the luminance of each row of the light emitting units can be uniform, and the problem that when the display panel displays a monochrome picture, the bright vertical lines and the dark vertical lines are alternately distributed is solved.
It should be noted that fig. 1 is to schematically illustrate the arrangement of the driving circuit, and further to illustrate the driving circuit T by using a square area, but the invention is not limited thereto, and in a specific implementation, the driving circuit T may be a structure including a plurality of thin film transistors and capacitors for driving the light emitting device to emit light. Similarly, fig. 2 schematically shows the position of the light emitting device only by the pattern of the main film layer (e.g., anode) in the light emitting device, the light emitting device in the embodiment of the present invention is not limited thereto, and the light emitting device may further include a plurality of other film layers, for example, an anode layer, a hole injection layer, a hole transport layer, an electron blocking layer, a light emitting layer, a hole blocking layer, an electron transport layer, an electron injection layer, and a cathode.
In a possible embodiment, referring to fig. 1 to 8, where fig. 6 is a schematic diagram of the light emitting device arrangement corresponding to fig. 5, and fig. 8 is a schematic diagram of the light emitting device arrangement corresponding to fig. 7, in the first driving group S21, the light emitting devices electrically connected to the first and third driving circuits T parallel to the second direction C2 have different light emitting colors, specifically, for example, in the first driving group S21, the light emitting device electrically connected to the first driving circuit T is a blue light emitting device B emitting blue light, and the light emitting device electrically connected to the third driving circuit T is a red light emitting device R emitting red light; one of the first and third driving circuits T is electrically connected to the first data line D1, and the other is electrically connected to the second data line D2, specifically, for example, as shown in fig. 1 and 3, the first driving circuit T is electrically connected to the first data line D1, and the third driving circuit T is electrically connected to the second data line D2, or, for example, as shown in fig. 5 and 7, the first driving circuit T is electrically connected to the second data line D2, and the third driving circuit T is electrically connected to the first data line D1.
In one possible embodiment, as shown in fig. 1 to 8, in the second driving group S21, the light emitting devices F electrically connected to the first and third driving circuits T parallel to the second direction C2 have different light emitting colors, specifically, for example, in the second driving group S21, the light emitting device R emitting red light is electrically connected to the first driving circuit T, the light emitting device F electrically connected to the third driving circuit is electrically connected to the blue light emitting device B, one of the first and third driving circuits T is electrically connected to the first data line D1, the other is electrically connected to the second data line D2, and the first driving circuit T in the second driving group S21 is different from the data line electrically connected to the first driving circuit T in the first driving group S11, specifically, for example, in the second driving group S21, for example, as shown in fig. 1 and 3, the first driving circuit T is electrically connected to the second data line D3, and the third driving circuit T is electrically connected to the first data line D1, or, for example, as shown in fig. 5, as well as shown in fig. 7, as shown in fig. 1 and fig. 3.
In one possible embodiment, as shown in fig. 1 to 8, in the second driving group S21, the light emitting color of the light emitting device electrically connected to the first driving circuit T parallel to the second direction C2 is the same as the light emitting color of the light emitting device electrically connected to the third driving circuit T in the first driving group S11, for example, the red light emitting devices R emitting red light; in the second driving group S21, the light emitting devices F electrically connected to the third driving circuit T parallel to the second direction C2 emit light of the same color as the light emitting devices F electrically connected to the first driving circuit T in the first driving group S11, for example, blue light emitting devices B emitting blue light.
In one possible embodiment, as shown in fig. 1 or fig. 5, in the first driving group S11, the second driving circuit T is electrically connected to the first data line D1, and the fourth driving circuit T is electrically connected to the second data line D2; in the second driving group S21, the second driving circuit T is electrically connected to the second data line D2, and the fourth driving circuit T is electrically connected to the first data line D1.
In a possible embodiment, as shown in fig. 3 or fig. 7, in the first driving group S11, the second driving circuit T is electrically connected to the second data line D2, and the fourth driving circuit T is electrically connected to the first data line D1; in the second driving group S21, the second driving circuit T is electrically connected to the first data line D1, and the fourth driving circuit T is electrically connected to the second data line D2.
In one possible embodiment, as shown in fig. 1 or fig. 3, in the first driving group S11, a first driving circuit T is electrically connected to the first data line D1, and a third driving circuit T is electrically connected to the second data line D2; in the second driving group S21, the first driving circuit T is electrically connected to the second data line D2, and the third driving circuit T is electrically connected to the first data line D1.
In one possible embodiment, as shown in fig. 1 to 8, the first driving rows S1 and the second driving rows S2 are alternately arranged in sequence along the first direction C1.
In one possible embodiment, the first data line D1 and the second data line D2 may be respectively located at both sides of the driving circuit T. Specifically, an overlapping region may exist between an orthogonal projection of the first data line D1 on the substrate and an orthogonal projection of the electrically connected driving circuit T on the substrate, and an overlapping region may exist between an orthogonal projection of the second data line D2 on the substrate and an orthogonal projection of the electrically connected driving circuit T on the substrate. Specifically, the first data line D1 and the second data line D2 may extend along the second direction C2 and are sequentially arranged along the first direction C1, and a maximum distance between the first data line D1 and the second data line D2 in the first direction C1 is smaller than a maximum width of a distribution area of the electrically connected driving circuit T in the first direction C1.
In one possible embodiment, the first data line D1 is electrically connected to a first node (not shown) of the driving circuit T, and the second data line D2 is electrically connected to a second node (not shown) of the driving circuit T, where the first node and the second node are different points of the driving circuit T. It is understood that the structures of the driving circuits T may be the same, each driving circuit T may have a first node and a second node, but for each determined driving circuit T, it is electrically connected to one data line correspondingly through a determined node.
In one possible embodiment, as shown in fig. 1-8, in the first driving group S11, the light emitting devices F electrically connected to the second and fourth driving circuits T emit green light (i.e., green light emitting devices G1/G2 emitting green light), the light emitting devices F electrically connected to the first driving circuit T emit blue light (i.e., blue light emitting devices B emitting blue light), and the light emitting devices F electrically connected to the third driving circuit T emit red light (i.e., red light emitting devices R emitting red light); in the second driving group S21, the light emitting device F to which the second and fourth driving circuits T are electrically connected emits green light (i.e., green light emitting devices G1/G2 emitting green light), the light emitting device F to which the first driving circuit T is electrically connected emits red light (i.e., red light emitting device R emitting red light), and the light emitting device F to which the third driving circuit T is electrically connected emits blue light (i.e., blue light emitting device B emitting blue light).
In one possible embodiment, as shown in fig. 2, the anode center O12 of the light emitting device F electrically connected to the second driving circuit T in the first driving group S11 and the anode center O22 of the light emitting device F electrically connected to the second driving circuit T in the second driving group S21 are connected in parallel to the first direction C1.
In one possible embodiment, referring to fig. 2, a straight line k2 parallel to the first direction C1 and at the anode center O11 of the light emitting device electrically connected to the first driving circuit T in the first driving group S11 is located between the anode M21 of the light emitting device electrically connected to the first driving circuit T in the second driving group S21 and the anode M22 of the light emitting device electrically connected to the second driving circuit T; a straight line k3, which is centered on the anode O13 of the light emitting device electrically connected to the third driving circuit T in the first driving group S11 and is parallel to the first direction C1, is located between the anode M22 of the light emitting device electrically connected to the second driving circuit T in the second driving group S21 and the anode M23 of the light emitting device electrically connected to the third driving circuit T.
In one possible implementation, as shown in fig. 1, the first driving circuit T of the first driving group S11 and the first driving circuit T of the second driving group S21 are located in the same column, the second driving circuit T of the first driving group S11 and the second driving circuit T of the second driving group S21 are located in the same column, the third driving circuit T of the first driving group S11 and the third driving circuit T of the second driving group S21 are located in the same column, and the fourth driving circuit T of the first driving group S11 and the fourth driving circuit T of the second driving group S21 are located in the same column.
Based on the same inventive concept, the embodiment of the invention further provides a display device, which comprises the display panel provided by the embodiment of the invention.
In the embodiment of the present invention, in the first driving group S11, the light emitting devices F electrically connected to the second and fourth driving circuits T have the same light emitting color, one of the second and fourth driving circuits T is electrically connected to the first data line D1, and the other is electrically connected to the second data line D2, so that the driving circuits T corresponding to the light emitting devices F having the same light emitting color in the first driving row S1 are alternately connected to the first data line D1 and the second data line D2, that is, the class a light emitting units and the class B light emitting units are alternately distributed, as shown by the first horizontal solid line in fig. 2; in the second driving group S21, the light emitting color of the light emitting device F electrically connected to the second and fourth driving circuits T parallel to the second direction C2 is the same as the light emitting color of the light emitting device F electrically connected to the second driving circuit T in the first driving group S11, in the second driving group S21, one of the second and fourth driving circuits T is electrically connected to the first data line D1, and the other is electrically connected to the second data line D2, so that the driving circuits T corresponding to the light emitting devices F of the same light emitting color in the second driving row S2 are alternately electrically connected to the first data line D1 and the second data line S2, that is, the type a light emitting units and the type B light emitting units are alternately distributed, as shown by the second horizontal solid line in fig. 2, and further, when the display panel displays a monochrome picture (for example, a green display picture), the luminance of each light emitting unit row is uniform, and when the light emitting devices of the same light emitting color in the same driving circuit row are electrically connected to the same data line, different driving circuits are electrically connected to different data lines, and thus, when the light emitting devices of the same driving circuit row are electrically connected to the same data line, and the parasitic display panel displays different data lines, the parasitic elements, and the parasitic elements are not connected to the second driving lines; the second driving circuit T in the second driving group S21 is different from the data line electrically connected to the second driving circuit T in the first driving group S11, and the a-type light emitting units and the B-type light emitting units are alternately arranged in each row of the light emitting devices with the same light emitting color, as shown by the vertical solid line in fig. 2, so that when the display panel displays a monochrome picture, the luminance of each row of the light emitting units can be uniform, and the problem that when the display panel displays a monochrome picture, the bright vertical lines and the dark vertical lines are alternately distributed is solved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (15)
1. A display panel, comprising: the pixel driving circuit comprises a substrate and a plurality of light-emitting units positioned on one side of the substrate, wherein each light-emitting unit comprises a driving circuit and a light-emitting device electrically connected with the pixel in a driving way;
the plurality of driving circuits includes: the driving circuit comprises a first driving row and a second driving row which are arranged along a first direction, wherein the first driving row comprises a plurality of first driving groups which are periodically arranged along a second direction, the second driving row comprises a plurality of second driving groups which are periodically arranged along the second direction, the first driving group and the second driving group respectively comprise four driving circuits, and a region where each driving circuit is located is provided with a first data line and a second data line;
in the first driving group, the light emitting devices electrically connected with a second driving circuit and a fourth driving circuit which are parallel to the second direction have the same light emitting color, one of the second driving circuit and the fourth driving circuit is electrically connected with the first data line, and the other one is electrically connected with the second data line;
in the second driving group, the light-emitting color of the light-emitting device electrically connected with the second and fourth driving circuits parallel to the second direction is the same as the light-emitting color of the light-emitting device electrically connected with the second driving circuit in the first driving group; in the second driving group, one of the second and fourth driving circuits is electrically connected to the first data line, and the other is electrically connected to the second data line, and the second driving circuit in the second driving group is different from the data line electrically connected to the second driving circuit in the first driving group.
2. The display panel according to claim 1, wherein light emitting devices electrically connected to first and third driver circuits in parallel with the second direction in the first driver group emit light of different colors, one of the first and third driver circuits being electrically connected to the first data line, and the other being electrically connected to the second data line.
3. The display panel according to claim 1 or 2, wherein light emitting colors of light emitting devices electrically connected to first and third driving circuits in parallel to the second direction in the second driving group are different, one of the first and third driving circuits is electrically connected to the first data line, the other is electrically connected to the second data line, and the first one of the driving circuits in the second driving group is different from the data line electrically connected to the first one of the driving circuits in the first driving group.
4. The display panel according to claim 3, wherein a light emission color of the light emitting device electrically connected to a first one of the driving circuits in the second driving group parallel to the second direction is the same as a light emission color of a light emitting device electrically connected to a third one of the driving circuits in the first driving group;
in the second driving group, the light emitting color of the light emitting device electrically connected to the third driving circuit parallel to the second direction is the same as the light emitting color of the light emitting device electrically connected to the first driving circuit in the first driving group.
5. The display panel according to claim 3, wherein a second one of the driving circuits in the first driving group is electrically connected to the first data line, and a fourth one of the driving circuits is electrically connected to the second data line;
in the second driving group, the second driving circuit is electrically connected with the second data line, and the fourth driving circuit is electrically connected with the first data line.
6. The display panel according to claim 3, wherein a second one of the driving circuits in the first driving group is electrically connected to the second data line, and a fourth one of the driving circuits is electrically connected to the first data line;
in the second driving group, the second driving circuit is electrically connected to the first data line, and the fourth driving circuit is electrically connected to the second data line.
7. The display panel according to claim 3, wherein a first one of the driving circuits in the first driving group is electrically connected to the first data line, and a third one of the driving circuits is electrically connected to the second data line;
in the second driving group, the first driving circuit is electrically connected with the second data line, and the third driving circuit is electrically connected with the first data line.
8. The display panel according to claim 1, wherein the first driving rows and the second driving rows are alternately arranged in sequence along the first direction.
9. The display panel according to claim 1, wherein the first data line and the second data line are respectively located on both sides of the driving circuit.
10. The display panel according to claim 9, wherein the first data line is electrically connected to a first node of the driver circuit, wherein the second data line is electrically connected to a second node of the driver circuit, and wherein the first node and the second node are different position points of the driver circuit.
11. The display panel according to claim 1, wherein in the first drive group, the light emitting devices to which the second and fourth of the drive circuits are electrically connected emit green light, the light emitting device to which the first of the drive circuits is electrically connected emits blue light, and the light emitting device to which the third of the drive circuits is electrically connected emits red light;
in the second driving group, the light emitting devices electrically connected with the second and fourth driving circuits emit green light, the light emitting device electrically connected with the first driving circuit emits red light, and the light emitting device electrically connected with the third driving circuit emits blue light.
12. The display panel according to claim 11, wherein an anode center of the light emitting device to which the second one of the driving circuits in the first driving group is electrically connected is connected in parallel to the first direction.
13. The display panel according to claim 12, wherein a straight line passing through the center of the anode of the light emitting device to which the first one of the driving circuits in the first driving group is electrically connected and parallel to the first direction is located between the anode of the light emitting device to which the first one of the driving circuits in the second driving group is electrically connected and the anode of the light emitting device to which the second one of the driving circuits is electrically connected;
a straight line passing through the center of the anode of the light emitting device electrically connected to the third driving circuit in the first driving group and parallel to the first direction is located between the anode of the light emitting device electrically connected to the second driving circuit in the second driving group and the anode of the light emitting device electrically connected to the third driving circuit.
14. The display panel of claim 1, wherein a first one of the driver circuits of the first driver group and a first one of the driver circuits of the second driver group are in a same column, a second one of the driver circuits of the first driver group and a second one of the driver circuits of the second driver group are in a same column, a third one of the driver circuits of the first driver group and a third one of the driver circuits of the second driver group are in a same column, and a fourth one of the driver circuits of the first driver group and a fourth one of the driver circuits of the second driver group are in a same column.
15. A display device characterized by comprising the display panel according to any one of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162039.8A CN115172408A (en) | 2022-02-22 | 2022-02-22 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162039.8A CN115172408A (en) | 2022-02-22 | 2022-02-22 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115172408A true CN115172408A (en) | 2022-10-11 |
Family
ID=83476359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210162039.8A Pending CN115172408A (en) | 2022-02-22 | 2022-02-22 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115172408A (en) |
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2022
- 2022-02-22 CN CN202210162039.8A patent/CN115172408A/en active Pending
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