Display panel, driving method and driving device thereof and display equipment

Abstract

The invention discloses a display panel, a driving method thereof, a driving device and display equipment. The display panel comprises a plurality of pixel units, and each pixel unit comprises at least two light-emitting elements with different light-emitting colors. The driving method of the display panel comprises the following steps: driving the light-emitting elements in each pixel unit to emit light in sequence; wherein in the same driving period, in the row direction and / or the column direction of the pixel unit arrangement, the light emitting colors of the light emitting elements emitting light in the two adjacent pixel units are different. According to the technical scheme, the display effect of the display panel is improved.

Description

Technical Field

[0001] The present invention relates to the field of display technology, and in particular to a display panel and a driving method, a driving device and a display equipment. Background Art

[0002] With the development of display technology, the application of display panels is becoming more and more extensive. Organic Light Emitting Display (OLED) and flat display devices based on technologies such as Light Emitting Diode (LED) have the advantages of high image quality, power saving, thin body and wide application range, and are widely used in various consumer electronic products such as mobile phones, televisions, laptops, desktop computers, etc., becoming the mainstream of display devices.

[0003] However, the display effect of current display panels needs to be improved. Summary of the invention

[0004] The present invention provides a display panel and a driving method, a driving device and a display equipment thereof, so as to improve the display effect of the display panel.

[0005] According to one aspect of the present invention, there is provided a method for driving a display panel, wherein the display panel comprises a plurality of pixel units, wherein the pixel units comprise at least two light emitting elements of different light emitting colors;

[0006] The method comprises:

[0007] The light-emitting elements in each of the pixel units are driven to emit light in sequence; wherein, in the same driving cycle, in the row direction and / or column direction of the pixel units, the light-emitting elements in two adjacent pixel units emit light of different colors.

[0008] Optionally, the pixel unit includes n light-emitting elements of different light-emitting colors;

[0009] In the same driving cycle, in the row direction and / or column direction of the pixel units, the luminous colors of the luminous elements in any n consecutive pixel units are different; wherein n is an integer greater than 1.

[0010] Optionally, the pixel unit further includes a pixel circuit, the pixel circuit is connected to the first ends of all the light-emitting elements in the corresponding pixel unit, the second ends of the light-emitting elements are connected to a first power source, and the second ends of different light-emitting elements are insulated;

[0011] The step of driving the light emitting elements in each of the pixel units to emit light in sequence comprises:

[0012] The pixel circuit of each row is controlled in sequence to transmit a driving voltage to the first end of the light emitting element of the corresponding pixel unit, and the first power supply voltage is transmitted to the second end of each light emitting element in each sub-row pixel unit in sequence.

[0013] Optionally, the display panel includes m rows of pixel units; in each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit includes n sub-rows of light-emitting elements, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1;

[0014] The method of sequentially controlling each row of pixel circuits to transmit a driving voltage to a first end of a light-emitting element of a corresponding pixel unit, and sequentially transmitting a first power supply voltage to a second end of each light-emitting element in each pixel unit, comprises:

[0015] From the 1st row to the mth row, sequentially control the pixel circuit of each row to transmit a driving voltage to the first end of the light-emitting element of the corresponding pixel unit, and in the pixel unit transmitting the driving voltage, sequentially transmit the first power supply voltage to the second end of the light-emitting element of each sub-row from the 1st sub-row to the nth sub-row;

[0016] Preferably, the pixel unit comprises a light-emitting element of a first color, a light-emitting element of a second color and a light-emitting element of a third color; along the row direction, the light-emitting colors of any three consecutive light-emitting elements are different;

[0017] The method of sequentially controlling the pixel circuits of each row from the first row to the mth row to transmit a driving voltage to the first end of the light-emitting element of the corresponding pixel unit, and sequentially transmitting the first power supply voltage to the second end of the light-emitting element of each sub-row from the first sub-row to the nth sub-row in the pixel unit transmitting the driving voltage, comprises:

[0018] From the 1st row to the mth row, each row of pixel circuits is controlled in turn to transmit a driving voltage to the first end of the light-emitting element of the corresponding pixel unit. In the pixel unit transmitting the driving voltage, from the first sub-row to the third sub-row, the first power supply voltage is transmitted to the second end of the light-emitting element of each sub-row in turn.

[0019] Optionally, the display panel includes m rows of pixel units; in each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit includes n sub-rows of light-emitting elements, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1;

[0020] The method of sequentially controlling each row of pixel circuits to transmit a driving voltage to a first end of a light-emitting element of a corresponding pixel unit, and sequentially transmitting a first power supply voltage to a second end of each light-emitting element in each pixel unit, comprises:

[0021] Control the pixel circuit of the i-th row to transmit a driving voltage to a first end of a light-emitting element of a corresponding pixel unit; transmit a second power supply voltage to a second end of a light-emitting element of a j-th sub-row in the pixel unit of the i-th row; wherein i and j are integers greater than or equal to 1;

[0022] Update i to i+1, and return to the step of controlling the pixel circuit of the i-th row to transmit the driving voltage to the first end of the light-emitting element of the corresponding pixel unit until i is greater than m;

[0023] The i is set to 1, the j is updated to j+1, and the step of controlling the pixel circuit of the i-th row to transmit the driving voltage to the first end of the light-emitting element of the corresponding pixel unit is returned to be executed until the j is greater than the n.

[0024] Optionally, the second ends of all the light-emitting elements are connected to a first power source; the pixel unit further includes a pixel circuit and at least two switch tubes, the switch tubes correspond to the light-emitting elements one by one, and the switch tubes are connected between the pixel circuit and the first end of the light-emitting element;

[0025] The step of driving the light emitting elements in each of the pixel units to emit light in sequence comprises:

[0026] Each row of pixel circuits is sequentially controlled to transmit a driving voltage to a corresponding pixel unit, and a switch tube corresponding to each light-emitting element in each pixel unit is sequentially controlled to be turned on, so that the pixel circuit transmits a driving voltage to a first end of the corresponding light-emitting element.

[0027] Optionally, the display panel includes m rows of pixel units; in each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit includes n sub-rows of light-emitting elements, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1;

[0028] The step of sequentially controlling the switching tube corresponding to each light emitting element in each pixel unit to be turned on comprises:

[0029] From the 1st sub-row to the kth sub-row, the switch tubes corresponding to the light-emitting elements of each sub-row are controlled to be turned on in sequence; wherein k is the product of n and m;

[0030] Alternatively, from the 1st row to the mth row, the switch tubes corresponding to the light-emitting elements of the current sub-row in each pixel unit are controlled to be turned on in sequence;

[0031] From the 1st row to the mth row, the switch tubes corresponding to the light emitting elements of the next sub-row in each pixel unit are controlled to be turned on in sequence until the switch tubes corresponding to the light emitting elements of the nth sub-row in the pixel unit of the mth row are turned on.

[0032] Optionally, in a row direction or a column direction in which the pixel units are arranged, two adjacent pixel units include a first pixel unit and a second pixel unit;

[0033] The step of driving the light emitting elements in each of the pixel units to emit light in sequence comprises:

[0034] driving a light-emitting element in the first pixel unit and at least one light-emitting element in the second pixel unit to emit light; wherein the light-emitting color of the light-emitting element in the first pixel unit is different from the light-emitting color of the at least one light-emitting element in the second pixel unit;

[0035] driving the remaining light-emitting elements in the first pixel unit and the remaining light-emitting elements in the second pixel unit to emit light;

[0036] Preferably, the pixel unit includes n light-emitting elements of different light-emitting colors; wherein n is an integer greater than 1;

[0037] The step of driving the light emitting elements in each of the pixel units to emit light in sequence comprises:

[0038] Driving one light-emitting element in the first pixel unit and n-1 light-emitting elements in the second pixel unit to emit light; wherein the light-emitting color of the one light-emitting element in the first pixel unit is different from the light-emitting color of the n-1 light-emitting elements in the second pixel unit;

[0039] The remaining light emitting elements in the first pixel unit and the remaining light emitting elements in the second pixel unit are driven to emit light.

[0040] According to another aspect of the present invention, a display panel is provided, which includes a plurality of pixel units, each of which includes at least two light-emitting elements with different light-emitting colors; wherein, in the same driving cycle, in the row direction and / or column direction of the pixel unit arrangement, the light-emitting colors of the light-emitting elements in two adjacent pixel units are different.

[0041] Optionally, the pixel unit further includes a pixel circuit, the pixel circuit is connected to the first ends of all the light-emitting elements in the corresponding pixel unit, the second ends of the light-emitting elements are connected to a first power source, and the second ends of different light-emitting elements are insulated;

[0042] Alternatively, the second ends of all the light-emitting elements are connected to a first power source; the pixel unit further comprises a pixel circuit and at least two switch tubes, the switch tubes correspond to the light-emitting elements one by one, and the switch tubes are connected between the pixel circuit and the first end of the light-emitting element;

[0043] Preferably, the display panel comprises m rows of pixel units; in each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit comprises n sub-rows of light-emitting elements, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1;

[0044] Preferably, the pixel unit comprises a light-emitting element of a first color, a light-emitting element of a second color and a light-emitting element of a third color; along the row direction, the light-emitting colors of any three consecutive light-emitting elements are different.

[0045] According to another aspect of the present invention, there is provided a driving device for a display panel, wherein the display panel comprises a plurality of pixel units, wherein the pixel units comprise at least two light emitting elements of different light emitting colors;

[0046] The driving device comprises:

[0047] The driving module is used to drive the light-emitting elements in each of the pixel units to emit light in sequence; wherein, in the same driving cycle, the light-emitting elements in two adjacent pixel units in the row direction and / or column direction of the pixel unit arrangement have different light-emitting colors.

[0048] According to another aspect of the present invention, a display device is provided. The display device includes the driving device for the display panel according to any one of the embodiments of the present invention.

[0049] The technical solution of the embodiment of the present invention, when driving the light-emitting elements in each pixel unit to emit light in sequence, is set in the same driving cycle, in the row direction and / or column direction of the pixel unit arrangement, the light-emitting colors of the light-emitting elements in two adjacent pixel units are different, so that the light-emitting colors of the two adjacent pixel units in the same driving cycle are different, and when displaying in turn, each displayed picture is a mixed picture of different colors, and the residual picture of the previous driving cycle is not a monochrome picture, so it is not easy to have a more obvious color dividing line. In addition, before and after the switching of the picture, there is a small difference in the driving data corresponding to the light-emitting elements of the two emitting colors in some pixel units, so the brightness of the two pictures before and after the switching is small, which is conducive to improving the display effect of the display panel.

[0050] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0052] Figure 1 is a schematic structural diagram of a display panel provided by an embodiment of the present invention;

[0053] Figure 2 is a flow chart of a method for driving a display panel provided by an embodiment of the present invention;

[0054] Figure 3 is a structural schematic diagram of a pixel unit provided by an embodiment of the present invention;

[0055] Figure 4 yes Figure 1 A cross-sectional view along the a-a' direction;

[0056] Figure 5 is a schematic diagram of a partial structure of a display panel provided by an embodiment of the present invention;

[0057] Figure 6 is a flow chart of a method for driving a display panel provided by an embodiment of the present invention;

[0058] Figure 7 is a flow chart of a method for driving a display panel provided by an embodiment of the present invention;

[0059] Figure 8 is a schematic diagram of a driving process of a display panel provided by an embodiment of the present invention;

[0060] Fig. 9 is a schematic structural diagram of another pixel unit provided by an embodiment of the present invention;

[0061] Fig.10 is a flow chart of a method for driving a display panel provided by an embodiment of the present invention;

[0062] Fig.11 is a schematic structural diagram of a driving device for a display panel provided by an embodiment of the present invention;

[0063] Fig.12 It is a structural schematic diagram of a display device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0064] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0065] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0066] As mentioned in the background technology, the display effect of the current display panel needs to be improved. The inventors have found that the reason for this problem is that the display panel includes a plurality of pixel units, each pixel unit includes at least two light-emitting elements of different luminous colors, each light-emitting element is connected to a corresponding pixel circuit, and the pixel circuit is, for example, a 2T1C pixel circuit and its deformation, or a 7T1C pixel circuit and its deformation. The pixel circuit can generate a driving current so that the light-emitting element responds to the driving current to emit light. In order to improve the resolution or transparency of the display panel and reduce the number of pixel circuits, there can be only one pixel circuit in a pixel unit. That is, a pixel circuit drives at least two light-emitting elements. In a frame of the picture, the target brightness of different light-emitting elements may be different. In order to ensure that each light-emitting element emits light according to the corresponding target brightness, the pixel circuit drives the light-emitting elements in the pixel unit to emit light in a time-sharing manner. For example, the pixel unit includes three light-emitting elements of different luminous colors. In the time-sharing drive, it is generally driven by a monochrome time-sharing drive mode, that is, the light-emitting element of the first luminous color is driven to emit light first, then the light-emitting element of the second luminous color is driven to emit light, and finally the light-emitting element of the third luminous color is driven to emit light. In this way, different color images are displayed in turn, which easily results in a more obvious color boundary on the displayed images. In addition, when the images are displayed in turn, the luminous color and luminous brightness will change. If the driving data corresponding to the light-emitting elements of the two luminous colors differ greatly, the brightness of the two images before and after the switching will differ greatly, resulting in a poor display effect of the display panel.

[0067] In order to solve the above technical problem, an embodiment of the present invention provides a method for driving a display panel. Figure 1 is a schematic diagram of a display panel provided by an embodiment of the present invention, with reference to Figure 1 The display panel includes a plurality of pixel units 100, and the pixel unit 100 includes at least two light-emitting elements 101 of different light-emitting colors; the light-emitting element 101 is, for example, an organic light-emitting diode OLED, and the pixel unit 100 includes, for example, three light-emitting elements of different light-emitting colors, such as a red light-emitting element, a green light-emitting element, and a blue light-emitting element. The pixel unit 100 may also include four light-emitting elements of different light-emitting colors, such as a red light-emitting element, a green light-emitting element, a blue light-emitting element, and a white light-emitting element. The white light-emitting element may also be a light-emitting element of other colors, which is not limited in this embodiment.

[0068] The driving method of the display panel includes: driving the light-emitting element in each pixel unit to emit light in sequence; wherein, in the same driving cycle, in the row direction and / or column direction of the pixel unit arrangement, the light-emitting colors of the light-emitting elements in two adjacent pixel units are different.

[0069] The plurality of pixel units 100 in the display panel are arranged in an array, and the row direction X and the column direction Y of the arrangement of the pixel units 100 intersect.

[0070] Specifically, when the light-emitting element is driven to emit light, the pixel circuit can be controlled to drive the light-emitting element to emit light. By driving the light-emitting elements in each pixel unit to emit light in sequence, the light-emitting elements in a pixel unit can be connected to a corresponding pixel circuit, that is, the light-emitting elements in the pixel unit are driven by a pixel circuit respectively, which can reduce the number of pixel circuits and help improve the resolution or transparency of the display panel. The process of controlling the pixel circuit to drive a light-emitting element to emit light is a driving cycle, and a driving cycle may include a data writing stage and a light-emitting stage, and may also include an initialization stage and a threshold compensation stage, etc., which are not limited in this embodiment. Multiple light-emitting elements can correspond to one driving cycle, that is, in one driving cycle, multiple light-emitting elements can emit light at the same time. For example, light-emitting elements in the same row can emit light at the same time, or light-emitting elements in two rows can emit light together, or light-emitting elements in the same column can emit light at the same time, which are not limited in this embodiment.

[0071] The pixel circuit may include a data writing transistor and a driving transistor, and a driving cycle may include a data writing phase and a light emitting phase. In the data writing phase, the data writing transistor is controlled to write a data voltage to the driving transistor, and in the light emitting phase, the driving transistor may generate a driving current so that the light emitting element emits light in response to the driving current. The pixel circuit may also include an initialization transistor and a threshold compensation transistor, and a driving cycle may include an initialization phase, a data writing and threshold compensation phase, and a light emitting phase. In the initialization phase, the initialization transistor is controlled to write an initialization voltage to the driving transistor and the light emitting element, and the driving transistor and the light emitting element are initialized. In the data writing and threshold compensation phase, the data writing transistor is controlled to write a data voltage to the driving transistor, and the threshold compensation transistor is controlled to threshold compensate the driving transistor, so that the data voltage after threshold compensation is written to the driving transistor. In the light emitting phase, the driving transistor generates a driving current according to the data voltage after threshold compensation, so that the light emitting element emits light in response to the driving current.

[0072] Exemplarily, in one driving cycle, multiple pixel units in the same row and / or the same column can be driven to emit light at the same time. That is, in one driving cycle, one light-emitting element in each pixel unit in the same row is driven to emit light at the same time, and in the next driving cycle, another light-emitting element in each pixel unit in the row can be driven to emit light at the same time. In one driving cycle, one light-emitting element in each pixel unit in the same column can be driven to emit light at the same time, and in the next driving cycle, another light-emitting element in each pixel unit in the column can be driven to emit light at the same time.

[0073] By setting in the same driving cycle, in the row direction and / or column direction of the pixel unit arrangement, the luminous colors of the luminous elements in two adjacent pixel units are different, so that the luminous colors of the two adjacent pixel units in the same driving cycle are different. When displayed in turn, each displayed picture is a mixed picture of different colors, and the residual picture of the previous driving cycle is not a monochrome picture, so it is not easy to have a more obvious color dividing line. In addition, before and after switching the picture, the driving data corresponding to the luminous elements of the two luminous colors in some pixel units are relatively different, and the driving data corresponding to the luminous elements of the two luminous colors in some pixel units are relatively different. For example, the driving data corresponding to the red luminous element and the green luminous element are relatively different, and the driving data corresponding to the blue luminous element and the red luminous element are relatively different. Then, the overall brightness of the two pictures before and after the switching is relatively different (compared with switching monochrome pictures), which is conducive to improving the display effect of the display panel.

[0074] Figure 2 is a flow chart of a method for driving a display panel provided by an embodiment of the present invention, with reference to Figure 2 , the driving method of the display panel includes:

[0075] S110 , determining target driving data for each light emitting element according to a target display picture.

[0076] S120, using target driving data to drive the light-emitting elements in each pixel unit to emit light in sequence; wherein, in the same driving cycle, in the row direction and / or column direction of the pixel unit arrangement, the light-emitting elements in two adjacent pixel units emit light of different colors.

[0077] Specifically, for example, the target drive data includes a target data voltage. The target display brightness of each light-emitting element can be determined according to the target display picture, and the target display grayscale can be determined according to the target display brightness, so that the target drive data of each light-emitting element can be determined. The target drive data corresponding to each light-emitting element is transmitted to the corresponding pixel circuit, so that the pixel circuit generates a target drive current, so that each light-emitting element emits light in response to the target drive current, and then displays the target display picture.

[0078] The technical solution of this embodiment, when driving the light-emitting elements in each pixel unit to emit light in sequence, is set in the same driving cycle, in the row direction and / or column direction of the pixel unit arrangement, the light-emitting colors of the light-emitting elements in two adjacent pixel units are different, so that the light-emitting colors of the two adjacent pixel units in the same driving cycle are different, and when displaying in turn, each displayed picture is a mixed picture of different colors, and the residual picture of the previous driving cycle is not a monochrome picture, so it is not easy to have a more obvious color dividing line. In addition, before and after the screen is switched, there is a small difference in the driving data corresponding to the light-emitting elements of the two emitting colors in some pixel units, so the brightness of the two pictures before and after the switch is small, which is conducive to improving the display effect of the display panel.

[0079] On the basis of the above technical solution, optionally, the pixel unit includes n light-emitting elements of different luminous colors; in the same driving cycle, in the row direction and / or column direction of the pixel unit arrangement, the luminous colors of the luminous elements in any n consecutive pixel units are different; wherein n is an integer greater than 1. This arrangement enables a variety of different colors to be displayed in the same driving cycle. After switching the screen, there are more types of colors in the screen remaining in the previous driving cycle, and the two same colors are far apart, making it less likely to have an obvious color boundary. Moreover, when the luminous brightness of n luminous elements of different luminous colors in a pixel unit is the same, the luminous light can be mixed into mixed color light at the same time. If the luminous colors of the luminous elements emitting in n adjacent pixel units are different, the luminous colors of the luminous elements emitting in n adjacent pixel units are mixed to be close to white light, so that when displayed in turn, it is a rotation close to the white screen, which can further avoid the appearance of obvious color boundaries, which is conducive to further improving the display effect of the display panel.

[0080] On the basis of the above technical solution, the method of driving the light-emitting element in each pixel unit to emit light in sequence is further described below, but it is not intended to limit the present application.

[0081] In one embodiment, Figure 3 is a schematic diagram of a pixel unit structure provided by an embodiment of the present invention. Figure 3 , the pixel unit 100 also includes a pixel circuit 102, the pixel circuit 102 is connected to the first end of all the light-emitting elements 101 in the corresponding pixel unit, the second end of the light-emitting element 101 is connected to the first power supply VSS, and the second ends of different light-emitting elements 101 are insulated. Among them, the first end of the light-emitting element 101 is, for example, the anode of the light-emitting element 101, and the second end of the light-emitting element 101 is the cathode of the light-emitting element 101. In some other embodiments, the first end of the light-emitting element 101 can also be a cathode, and the second end of the light-emitting element 101 can also be an anode, which is not limited in this embodiment. By isolating the second ends of different light-emitting elements 101, a voltage can be provided to the second end of each light-emitting element 101 separately. For example, the second ends (such as cathodes) of different light-emitting elements 101 are separated by a partition structure, or when preparing the second ends of different light-emitting elements 101, the second ends of different light-emitting elements 101 are separated in a graphical manner during photolithography. In the same pixel unit 100, the first ends of all light-emitting elements 101 are connected to the same pixel circuit 102, so in the same pixel unit 100, the first ends of all light-emitting elements 101 can be shared, that is, in the same pixel unit 100, the anodes of all light-emitting elements 101 can be shared.

[0082] In one pixel unit 100, different light-emitting elements 101 may be located in different sub-rows, that is, in one pixel unit 100, at least two light-emitting elements 101 are arranged along the column direction. Alternatively, in one pixel unit 100, multiple light-emitting elements 101 are arranged in a triangle or other shape, which is not limited in this embodiment. Therefore, no matter how the light-emitting elements 101 are arranged, in the same driving cycle, the light-emitting colors of any two adjacent light-emitting elements 101 are different, and mixed color light can be formed, avoiding obvious color boundaries caused by switching of monochrome images, thereby improving the display effect of the display panel.

[0083] In one implementation, the light emitting element 101 is, for example, an organic light emitting diode (OLED), the first end of the light emitting element 101 may be an anode, and the second end of the light emitting element 101 may be a cathode. Figure 4 yes Figure 1 The cross-sectional view along the a-a' direction is as follows: Figure 4As shown, the display panel includes a stacked substrate 201, a driving circuit layer 202 and a light emitting element 101, the substrate 201 has a supporting and protective function, and the driving circuit layer 202 includes a plurality of pixel circuits 102. The light emitting element 101 includes a stacked anode A1, a light emitting layer A2 and a cathode A3, and the display panel further includes a partition structure A4, the partition structure A4 may include a partition portion A41 and a shielding portion A42, and the partition structure A4 isolates the cathodes A3 of different light emitting elements 101, thereby realizing the insulation setting of the cathodes of different light emitting elements 101, that is, realizing the insulation setting of the second ends of different light emitting elements 101.

[0084] In another embodiment, the light emitting element 101 may be a micro light emitting diode display (Micro Light Emitting Diode Display, Micro-LED), the first end of the light emitting element 101 may be a lower electrode, and the second end of the light emitting element 101 may be an upper electrode. Figure 5 is a partial structural diagram of a display panel provided by an embodiment of the present invention, such as Figure 5 As shown, each pixel unit 100 may include a light-emitting element 101a of a first color, a light-emitting element 101b of a second color, and a light-emitting element 101c of a third color, and the light-emitting colors of the light-emitting elements of the first sub-rows of three adjacent pixel units 100 are all different. In the same pixel unit 100, the upper electrodes B1 of different light-emitting elements 101 are insulated, and the upper electrode leads B2 of different light-emitting elements 101 are insulated, so as to achieve the second end insulation of different light-emitting elements 101 in the same pixel unit 100. In some embodiments, the upper electrodes B1 of the light-emitting elements 101 of different pixel units 100 may also be insulated, which is not limited in this embodiment. Among them, the first color may be red, the second color may be green, and the third color may be blue.

[0085] When the light emitting element 101 needs to emit light, a first power supply voltage may be provided to the second end of the light emitting element 101, and the first power supply voltage may be, for example, a negative voltage or a zero voltage. When the light emitting element 101 does not need to emit light, no voltage may be provided to the second end of the light emitting element 101, or a voltage may be provided to the second end of the light emitting element 101, but the voltage difference between the first end of the light emitting element 101 and the second end of the light emitting element 101 is less than the turn-on voltage of the light emitting element 101, for example, a positive voltage may be provided to the second end of the light emitting element 101.

[0086] By arranging the light-emitting elements 101 of different light-emitting colors in each pixel unit 100 to be located in different sub-rows; in each sub-row, the light-emitting colors of two adjacent light-emitting elements are different, so that the light-emitting elements in one sub-row can be driven to emit light at the same time in the same driving cycle, which can simplify the driving method. In addition, in the same driving cycle, the light-emitting colors of two adjacent pixel units are different, so that an obvious color boundary line is avoided when the light-emitting elements in the pixel unit emit light in turn.

[0087] Based on the above technical solutions, Figure 6 is a flow chart of a method for driving a display panel provided by an embodiment of the present invention, with reference to Figure 6 , the driving method of the display panel includes:

[0088] S210 , determining target driving data for each light emitting element according to a target display picture.

[0089] S220, using the target driving data, sequentially controlling each row of pixel circuits to transmit a driving voltage to the first end of the light-emitting element of the corresponding pixel unit, and sequentially transmitting a first power supply voltage to the second end of each light-emitting element in each pixel unit.

[0090] Specifically, in one driving cycle, the pixel circuit is controlled to transmit a driving voltage to the first end of each light-emitting element in the pixel unit of the corresponding row, and to transmit a first power supply voltage to the second end of one of the light-emitting elements, so that the light-emitting element emits light. In the next driving cycle, the pixel circuit is controlled to transmit a driving voltage to the first end of each light-emitting element in the pixel unit of the corresponding row (the driving voltage of this driving cycle may be the same as or different from the driving voltage of the previous driving cycle, which is specifically determined according to the target driving data corresponding to the light-emitting element that needs to emit light this time), and to transmit the first power supply voltage to the second end of another light-emitting element, so that the light-emitting element emits light. This is repeated until all the light-emitting elements emit light in sequence.

[0091] When the light emitting elements of each sub-row are driven in sequence, the driving sequence may be row-by-row driving, alternate-row driving, or other driving sequences, which are not limited in this embodiment.

[0092] The following describes the driving method of the display panel in combination with the specific execution manner of step S220 in the above driving method, but it is not intended to limit the present application.

[0093] The display panel includes m rows of pixel units; in each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit includes n sub-rows of light-emitting elements, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1.

[0094] In one embodiment, Figure 7 is a flow chart of a method for driving a display panel provided by an embodiment of the present invention, with reference to Figure 7 , the driving method of the display panel includes:

[0095] S310 , determining target driving data for each light emitting element according to a target display picture.

[0096] S320, using the target driving data, from the 1st row to the mth row, sequentially controlling the pixel circuit of each row to transmit the driving voltage to the first end of the light-emitting element of the corresponding pixel unit, and in the pixel unit transmitting the driving voltage, from the 1st sub-row to the nth sub-row, sequentially transmitting the first power supply voltage to the second end of the light-emitting element of each sub-row.

[0097] Exemplarily, according to the target driving data of the light-emitting elements of the first sub-row in the first row of pixel units, the pixel circuit of the first row is controlled to transmit the driving voltage to the first end of the light-emitting elements of the first sub-row in the first row of pixel units, and transmit the first power supply voltage to the second end of the light-emitting elements of the first sub-row in the first row of pixel units, so that the light-emitting elements of the first sub-row in the first row of pixel units emit light. Then, according to the target driving data of the light-emitting elements of the second sub-row in the first row of pixel units, the pixel circuit of the first row is controlled to transmit the driving voltage to the first end of the light-emitting elements of the first row of pixel units, and transmit the first power supply voltage to the second end of the light-emitting elements of the second sub-row in the first row of pixel units, so that the light-emitting elements of the second sub-row in the first row of pixel units emit light. And so on, until the light-emitting elements of the nth sub-row in the first row of pixel units emit light. Then, according to the above manner, in the second row of pixel units, from the first sub-row to the nth sub-row, the first power supply voltage is transmitted to the second end of the light-emitting elements of each sub-row in turn, so that the light-emitting elements in the second row of pixel units emit light in turn. And so on, until the light-emitting elements in the mth row of pixel units emit light in turn.

[0098] Since the light emitting elements 101 of different light emitting colors are located in different sub-rows in each pixel unit 100, and the light emitting colors of two adjacent light emitting elements in each sub-row are different, the light emitting elements in each sub-row can be driven in sequence, so that the light emitting elements in one sub-row can be driven to emit light at the same time in the same driving cycle, which can simplify the driving method. In addition, the light emitting colors of adjacent pixel units are different in the same driving cycle, so that an obvious color dividing line is avoided when the light emitting elements in the pixel units emit light in turn.

[0099] Optionally, the pixel unit includes a light-emitting element of a first color, a light-emitting element of a second color, and a light-emitting element of a third color; along the row direction, any three consecutive light-emitting elements have different light-emitting colors;

[0100] From the 1st row to the mth row, sequentially controlling the pixel circuit of each row to transmit a driving voltage to the first end of the light-emitting element of the corresponding pixel unit, and in the pixel unit transmitting the driving voltage, sequentially transmitting the first power supply voltage to the second end of the light-emitting element of each sub-row from the 1st sub-row to the nth sub-row, including:

[0101] From the 1st row to the mth row, each row of pixel circuits is controlled in turn to transmit a driving voltage to the first end of the light-emitting element of the corresponding pixel unit. In the pixel unit transmitting the driving voltage, from the first sub-row to the third sub-row, the first power supply voltage is transmitted to the second end of the light-emitting element of each sub-row in turn.

[0102] For example, the first color is red, the second color is green, and the third color is blue. Figure 8 is a schematic diagram of a driving process of a display panel provided by an embodiment of the present invention, such as Figure 8 As shown, each pixel unit 100 may include a red light emitting element 101a, a green light emitting element 101b and a blue light emitting element 101c, and the light emitting colors of the light emitting elements of three adjacent pixel units 100 in the same sub-row are all different. Figure 8 The pixel units shown are, for example, pixel units in the first row. Figure 8 As shown, first, according to the target driving data of the light-emitting elements of the first sub-row in the first row of pixel units, the pixel circuit of the first row is controlled to transmit the driving voltage to the first end of the light-emitting elements of the first row of pixel units, and transmit the first power supply voltage to the second end of the light-emitting elements of the first sub-row in the first row of pixel units, so that the light-emitting elements of the first sub-row in the first row of pixel units emit light. Then, according to the target driving data of the light-emitting elements of the second sub-row in the first row of pixel units, the pixel circuit of the first row is controlled to transmit the driving voltage to the first end of the light-emitting elements of the first row of pixel units, and transmit the first power supply voltage to the second end of the light-emitting elements of the second sub-row in the first row of pixel units, so that the light-emitting elements of the second sub-row in the first row of pixel units emit light. Then, according to the target driving data of the light-emitting elements of the third sub-row in the first row of pixel units, the pixel circuit of the first row is controlled to transmit the driving voltage to the first end of the light-emitting elements of the first row of pixel units, and transmit the first power supply voltage to the second end of the light-emitting elements of the third sub-row in the first row of pixel units, so that the light-emitting elements of the third sub-row in the first row of pixel units emit light.

[0103] In this way, the light-emitting elements in each pixel unit are driven to emit light in sequence, and in the row direction of the pixel unit arrangement, the light-emitting elements in any two of n consecutive pixel units emit light of different colors, so that in the same driving cycle, the light-emitting colors of any n consecutive pixel units are different, which can avoid the appearance of obvious color boundaries when the light-emitting elements in the pixel units emit light in turn. In addition, when the pixel unit includes a light-emitting element of a first color, a light-emitting element of a second color, and a light-emitting element of a third color, the first color is red, the second color is green, and the third color is blue, any three consecutive light-emitting elements can form white light when emitting light, avoiding the appearance of obvious color boundaries.

[0104] In another embodiment, in step S220, sequentially controlling each row of pixel circuits to transmit a driving voltage to a first end of a light-emitting element of a corresponding pixel unit, and sequentially transmitting a first power supply voltage to a second end of each light-emitting element in each pixel unit, includes:

[0105] Control the pixel circuit of the i-th row to transmit a driving voltage to a first end of a light-emitting element of a corresponding pixel unit; transmit a second power supply voltage to a second end of a light-emitting element of a j-th sub-row in the pixel unit of the i-th row; wherein i and j are integers greater than or equal to 1;

[0106] Update i to i+1, and return to the step of controlling the pixel circuit of the i-th row to transmit the driving voltage to the first end of the light-emitting element of the corresponding pixel unit until i is greater than m;

[0107] Set i to 1, update j to j+1, and return to the step of controlling the pixel circuit of the i-th row to transmit the driving voltage to the first end of the light-emitting element of the corresponding pixel unit until j is greater than n.

[0108] Exemplarily, according to the target driving data of the light-emitting elements of the first sub-row in the first row of pixel units, the pixel circuits of the first row are controlled to transmit the driving voltage to the first end of the light-emitting elements of the first row of pixel units, and transmit the first power supply voltage to the second end of the light-emitting elements of the first sub-row in the first row of pixel units, so that the light-emitting elements of the first sub-row in the first row of pixel units emit light. Then, according to the target driving data of the light-emitting elements of the first sub-row in the second row of pixel units, the pixel circuits of the second row are controlled to transmit the driving voltage to the first end of the light-emitting elements of the first row of pixel units, and transmit the first power supply voltage to the second end of the light-emitting elements of the first sub-row in the second row of pixel units, so that the light-emitting elements of the first sub-row in the second row of pixel units emit light. And so on, until the light-emitting elements of the first sub-row in the mth row of pixel units emit light. Then, according to the target driving data of the light-emitting elements of the second sub-row in the pixel units of the first row, the pixel circuit of the first row is controlled to transmit the driving voltage to the first end of the light-emitting elements of the pixel units of the first row, and to transmit the first power supply voltage to the second end of the light-emitting elements of the second sub-row in the pixel units of the first row, so that the light-emitting elements of the second sub-row in the pixel units of the first row emit light. According to the target driving data of the light-emitting elements of the second sub-row in the pixel units of the second row, the pixel circuit of the second row is controlled to transmit the driving voltage to the first end of the light-emitting elements of the pixel units of the second row, and to transmit the first power supply voltage to the second end of the light-emitting elements of the second sub-row in the pixel units of the second row, so that the light-emitting elements of the second sub-row in the pixel units of the second row emit light. And so on, until the light-emitting elements of the second sub-row in the pixel units of the mth row emit light. Repeat the above method until the light-emitting elements of the nth sub-row in the pixel units of the mth row emit light.

[0109] In this way, the light-emitting elements in each pixel unit are driven to emit light in sequence, that is, the light-emitting elements in each sub-row of each row of pixel units all emit light, and in the row direction of the pixel units, the light-emitting elements in n adjacent pixel units emit light of different colors, so that in the same driving cycle, the light-emitting colors of n adjacent pixel units are different, which can avoid the occurrence of obvious color boundaries when the light-emitting elements in the pixel units emit light in turn.

[0110] The technical solution of this embodiment, by setting an insulating setting for the second ends of different light-emitting elements, transmits the first power supply voltage to the second ends of the light-emitting elements in each sub-row in turn, so that the light-emitting elements in each sub-row can emit light in turn, and the light-emitting colors of at least two adjacent light-emitting elements in each sub-row are different, thereby avoiding the occurrence of obvious color dividing lines when the light-emitting elements in the pixel unit emit light in turn.

[0111] In another embodiment, Fig. 9 is a schematic diagram of the structure of another pixel unit provided by an embodiment of the present invention. Fig. 9, the second ends of all light-emitting elements 101 are connected to the first power supply VSS; the pixel unit 100 also includes a pixel circuit 102 and at least two switch tubes 103, the switch tubes 103 correspond to the light-emitting elements 101 one by one, and the switch tubes 103 are connected between the pixel circuit 102 and the first end of the light-emitting element 101. Among them, by setting the switch tubes 103 to correspond to the light-emitting elements 101 one by one, so that by controlling the conduction state of the switch tubes 103, it is possible to control whether the pixel circuit 102 transmits a driving current to the corresponding light-emitting element 101. In this way, independent control of the light-emitting element 101 can be achieved, and the second ends of the multiple light-emitting elements 101 do not need to be insulated, which is conducive to simplifying the preparation process of the light-emitting element 101. Among them, the switch tube 103 can be an N-type transistor or a P-type transistor, which is not limited in this embodiment.

[0112] Based on the above technical solutions, Fig.10 is a flow chart of a method for driving a display panel provided by an embodiment of the present invention, with reference to Fig.10 , the driving method of the display panel includes:

[0113] S410 , determining target driving data for each light emitting element according to a target display picture.

[0114] S420, sequentially controlling each row of pixel circuits to transmit a driving voltage to a corresponding pixel unit, and sequentially controlling the switch tube corresponding to each light-emitting element in each pixel unit to turn on, so that the pixel circuit transmits a driving voltage to a first end of the corresponding light-emitting element according to target driving data.

[0115] Specifically, by sequentially controlling the switch tube corresponding to each sub-row light-emitting element to be turned on, the pixel circuit can sequentially transmit the driving voltage to the first end of each light-emitting element in each pixel unit, thereby sequentially driving the light-emitting element in each pixel unit to emit light. Moreover, in the same driving cycle, in the row direction of the pixel unit arrangement, the light-emitting elements in two adjacent n pixel units emit light of different colors, which can avoid the appearance of obvious color boundaries when the light-emitting elements in the pixel units emit light in turn.

[0116] Based on the above technical solution, the display panel includes m rows of pixel units; in each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit includes n sub-rows of light-emitting elements, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1.

[0117] Optionally, in S420, sequentially controlling the switch tube corresponding to each light-emitting element in each pixel unit to be turned on includes:

[0118] From the 1st sub-row to the kth sub-row, the switch tubes corresponding to the light-emitting elements of each sub-row are controlled to be turned on in sequence; wherein k is the product of n and m.

[0119] Exemplarily, for example, if a pixel unit includes three light-emitting elements of different light-emitting colors, then one pixel circuit is connected to three light-emitting elements. When the light-emitting elements are driven to emit light in sequence, the switch tube corresponding to the light-emitting element of the first sub-row is controlled to be turned on, so that the pixel circuit of the first row transmits a driving current to the light-emitting element of the first sub-row, so that the light-emitting element of the first sub-row emits light. Then the switch tube corresponding to the light-emitting element of the first sub-row is controlled to be turned off, and the switch tube corresponding to the light-emitting element of the second sub-row is controlled to be turned on, so that the pixel circuit of the first row transmits a driving current to the light-emitting element of the second sub-row, so that the light-emitting element of the second sub-row emits light. Then the switch tube corresponding to the light-emitting element of the second sub-row is controlled to be turned off, and the switch tube corresponding to the light-emitting element of the third sub-row is controlled to be turned on, so that the pixel circuit of the first row transmits a driving current to the light-emitting element of the third sub-row, so that the light-emitting element of the third sub-row emits light. And so on, until the light-emitting element of the kth sub-row emits light, a frame of picture display is completed.

[0120] In another implementation, optionally, in S420, sequentially controlling the switch tube corresponding to each light-emitting element in each pixel unit to be turned on includes:

[0121] From the 1st row to the mth row, the switch tubes corresponding to the light-emitting elements of the current sub-row in each pixel unit are controlled to be turned on in sequence;

[0122] From the 1st row to the mth row, the switch tubes corresponding to the light emitting elements of the next sub-row in each pixel unit are controlled to be turned on in sequence until the switch tubes corresponding to the light emitting elements of the nth sub-row in the pixel unit of the mth row are turned on.

[0123] Exemplarily, for example, if a pixel unit includes three light-emitting elements of different light-emitting colors, then one pixel circuit is connected to the three light-emitting elements. When the light-emitting elements are driven to emit light in sequence, the switch tube corresponding to the light-emitting element of the first sub-row in the first row of pixel units is controlled to be turned on, so that the pixel circuit of the first row transmits a driving current to the light-emitting element of the first sub-row in the first row of pixel units, so that the light-emitting element of the first sub-row in the first row of pixel units emits light. Then the switch tube corresponding to the light-emitting element of the first sub-row in the first row of pixel units is controlled to be turned off, and the switch tube corresponding to the light-emitting element of the first sub-row in the second row of pixel units is controlled to be turned on, so that the pixel circuit of the second row transmits a driving current to the light-emitting element of the first sub-row in the second row of pixel units, so that the light-emitting element of the first sub-row in the second row of pixel units emits light. And so on, until the light-emitting element of the first sub-row in the mth row of pixel units emits light. Then, the switch tube corresponding to the light-emitting element of the second sub-row in the pixel unit of the first row is controlled to be turned on, so that the pixel circuit of the first row transmits the driving current to the light-emitting element of the second sub-row in the pixel unit of the first row, so that the light-emitting element of the second sub-row in the pixel unit of the first row emits light. And so on, until the light-emitting element of the second sub-row in the pixel unit of the mth row emits light. Repeat the above method until the switch tube corresponding to the light-emitting element of the nth sub-row in the pixel unit of the mth row is turned on, that is, the light-emitting element of the nth sub-row in the pixel unit of the mth row emits light, and one frame of picture display is completed.

[0124] In this way, the light-emitting elements in each pixel unit are driven to emit light in sequence, and in the same driving cycle, in the row direction in which the pixel units are arranged, the light-emitting colors of the light-emitting elements in two adjacent n pixel units are different. Thus, in the same driving cycle, the light-emitting colors of the adjacent n pixel units are different, which can avoid the appearance of obvious color boundaries when the light-emitting elements in the pixel units emit light in turn.

[0125] The technical solution of this embodiment sequentially controls the switching tubes corresponding to the light-emitting elements of each sub-row to be turned on, so that the pixel circuit transmits a driving voltage to the first end of the corresponding light-emitting element according to the target driving data, thereby making the light-emitting elements of each sub-row emit light in turn, and the light-emitting colors of at least two adjacent light-emitting elements in each sub-row are different, thereby avoiding the occurrence of obvious color dividing lines when the light-emitting elements in the pixel unit emit light in turn.

[0126] In yet another embodiment, in a row direction or a column direction in which the pixel units are arranged, two adjacent pixel units include a first pixel unit and a second pixel unit.

[0127] On the basis of the above technical solutions, in step S120, the light emitting elements in each pixel unit are driven to emit light in sequence, including:

[0128] Step a1, driving a light-emitting element in the first pixel unit and at least one light-emitting element in the second pixel unit to emit light; wherein the light-emitting color of the light-emitting element in the first pixel unit is different from the light-emitting color of at least one light-emitting element in the second pixel unit.

[0129] Specifically, each pixel unit includes, for example, three light-emitting elements of different light-emitting colors. In one embodiment, when driving the light-emitting elements in the pixel units to emit light in sequence, a light-emitting element in the first pixel unit and a light-emitting element in the second pixel unit are first driven to emit light. If the light-emitting colors of the first pixel unit and the second pixel unit are different, then the light-emitting colors of two adjacent pixel units are different, which can avoid the problem of obvious color boundaries when the light-emitting elements are displayed in turn.

[0130] In another embodiment, when driving the light-emitting elements in the pixel units to emit light in sequence, one light-emitting element in the first pixel unit and two light-emitting elements in the second pixel unit are driven to emit light first, and the light-emitting color of the light-emitting element in the first pixel unit is different from the light-emitting color of at least one light-emitting element in the second pixel unit. For example, the light-emitting color of the light-emitting element in the first pixel unit is different from the light-emitting color of all the light-emitting elements in the second pixel unit. Then, the light-emitting color of the light-emitting element in the first pixel unit and the light-emitting color of the light-emitting element in the second pixel unit are mixed to be close to white light, so that when displaying in turn, it is a rotation close to a white picture, which can further avoid the appearance of obvious color dividing lines, which is beneficial to further improve the display effect of the display panel.

[0131] Step a2: driving the remaining light-emitting elements in the first pixel unit and the remaining light-emitting elements in the second pixel unit to emit light.

[0132] Specifically, after one light-emitting element in the first pixel unit and at least one light-emitting element in the second pixel unit emit light, the remaining light-emitting elements in the first pixel unit and the remaining light-emitting elements in the second pixel unit are driven to emit light. In this way, the number of time-sharing drives of the light-emitting elements in the pixel unit can be reduced, which is conducive to application to a higher refresh frequency. In addition, if the light-emitting color of one light-emitting element in the first pixel unit is different from the light-emitting color of at least one light-emitting element in the second pixel unit, the light-emitting colors of the remaining light-emitting elements in the first pixel unit and the remaining light-emitting elements in the second pixel unit are different, so that when displaying in turn, obvious color dividing lines can be avoided, which is conducive to further improving the display effect of the display panel.

[0133] Optionally, the pixel unit includes n light-emitting elements with different light-emitting colors; wherein n is an integer greater than 1.

[0134] In S120, driving the light-emitting element in each pixel unit to emit light in sequence includes:

[0135] Step b1, driving one light-emitting element in the first pixel unit and n-1 light-emitting elements in the second pixel unit to emit light; wherein the light-emitting color of one light-emitting element in the first pixel unit is different from the light-emitting color of n-1 light-emitting elements in the second pixel unit.

[0136] Specifically, when driving the light-emitting elements in the pixel units to emit light in sequence, first drive one light-emitting element in the first pixel unit and n-1 light-emitting elements in the second pixel unit to emit light. The light-emitting color of one light-emitting element in the first pixel unit is different from the light-emitting color of the n-1 light-emitting elements in the second pixel unit. Then, the light-emitting color of the light-emitting element in the first pixel unit and the light-emitting color of the light-emitting element in the second pixel unit are mixed to be close to white light. Therefore, when displaying in turn, it is a rotation close to a white picture, which can further avoid the appearance of obvious color dividing lines, which is beneficial to further improve the display effect of the display panel.

[0137] Step b2: driving the remaining light-emitting elements in the first pixel unit and the remaining light-emitting elements in the second pixel unit to emit light.

[0138] The technical solution of this embodiment, by first driving one light-emitting element in the first pixel unit and at least one light-emitting element in the second pixel unit to emit light, can make the light-emitting colors of two adjacent pixel units different in the same driving cycle. When displaying in turn, the residual picture of the previous driving cycle is not a monochrome picture, so it is not easy to have a more obvious color boundary line. Alternatively, first drive one light-emitting element in the first pixel unit and n-1 light-emitting elements in the second pixel unit to emit light, and the light-emitting color of the light-emitting element in the first pixel unit and the light-emitting color of the light-emitting element in the second pixel unit are mixed to be close to white light, so that when displaying in turn, it is a rotation close to a white picture, so that the appearance of obvious color boundaries can be further avoided. Then drive the remaining light-emitting elements in the first pixel unit and the remaining light-emitting elements in the second pixel unit to emit light, which can reduce the number of driving in turn, so as to facilitate the realization of a higher refresh frequency.

[0139] The present invention also provides a display panel, such as Figure 1As shown, the display panel includes a plurality of pixel units 100, and the pixel unit 100 includes at least two light-emitting elements 101 of different light-emitting colors; wherein, in the same driving cycle, in the row direction X and / or the column direction Y in which the pixel units 100 are arranged, the light-emitting elements in two adjacent pixel units 100 emit light of different colors. The display panel of this embodiment can be driven by the driving method of the display panel provided by any embodiment of the present invention, so the display panel of this embodiment has the same beneficial effects as the driving method of the display panel provided by any embodiment of the present invention, which will not be described in detail here.

[0140] Alternatively, if Figure 3 As shown, the pixel unit 100 also includes a pixel circuit 102, which is connected to the first ends of all the light-emitting elements 101 in the corresponding pixel unit 100, and the second ends of the light-emitting elements 101 are connected to the first power supply VSS, and the second ends of different light-emitting elements 101 are insulated.

[0141] Or, if Fig. 9 As shown, the second ends of all light-emitting elements 101 are connected to the first power supply VSS; the pixel unit 100 also includes a pixel circuit 102 and at least two switch tubes 103, the switch tubes 103 correspond to the light-emitting elements 101 one by one, and the switch tubes 103 are connected between the pixel circuit 102 and the first end of the light-emitting element 101.

[0142] Optionally, the display panel includes m rows of pixel units 100; in each pixel unit 100, light emitting elements 101 of different luminous colors are located in different sub-rows; each pixel unit 100 includes n sub-rows of light emitting elements 101, and the luminous colors of any n consecutive light emitting elements 101 are different; wherein n and m are integers greater than 1. For example Figure 5 In the same pixel unit 100, the light emitting element 101a, the light emitting element 101b and the light emitting element 101c are located in different sub-rows. In the same row, the light emitting colors of the three light emitting elements are all different.

[0143] Alternatively, if Figure 5 As shown, the pixel unit 100 includes a light-emitting element 101a of a first color, a light-emitting element 101b of a second color, and a light-emitting element 101c of a third color; along the row direction X, any three consecutive light-emitting elements emit different colors.

[0144] The present invention further provides a driving device for a display panel. The display panel includes a plurality of pixel units. The pixel units include at least two light-emitting elements with different light-emitting colors.

[0145] Fig.11 is a schematic diagram of a structure of a driving device for a display panel provided by an embodiment of the present invention, with reference to Fig.11The driving device of the display panel includes: a driving module 10, which is used to drive the light-emitting elements in each pixel unit to emit light in sequence; wherein, in the same driving cycle, the light-emitting colors of the light-emitting elements in two adjacent pixel units in the row direction and / or column direction of the pixel unit arrangement are different.

[0146] refer to Figure 8 The driving device of the display panel also includes a driving data determination module 20, which is used to determine the target driving data of each light-emitting element according to the target display screen, so that the driving module 10 adopts the target driving data to drive the light-emitting elements in each pixel unit to emit light in sequence.

[0147] The driving device of the display panel provided in the embodiment of the present invention can execute the driving method of the display panel provided in any embodiment of the present invention, and has the functional modules and beneficial effects corresponding to the execution method.

[0148] The present invention further provides a display device, which includes the driving device of the display panel provided by any of the above embodiments. Fig.12 is a schematic diagram of a display device provided by an embodiment of the present invention, with reference to Fig.12 The display device can be a mobile phone, a tablet, a monitor, a smart watch, an MP3, an MP4 or other wearable devices, etc., because it includes the driving device of the display panel provided by any embodiment of the present invention, and thus has the same beneficial effects, which will not be repeated here.

[0149] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0150] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for driving a display panel, characterized in that: The display panel includes a plurality of pixel units, each of which includes at least two light-emitting elements of different light-emitting colors; The method comprises: The light-emitting elements in each of the pixel units are driven to emit light in sequence; wherein, in the same driving cycle, in the row direction and / or column direction of the pixel units, the light-emitting elements in two adjacent pixel units emit light of different colors.

2. The method for driving a display panel according to claim 1, wherein: The pixel unit includes n light-emitting elements of different light-emitting colors; In the same driving cycle, in the row direction and / or column direction of the pixel units, the luminous colors of the luminous elements in any n consecutive pixel units are different; wherein n is an integer greater than 1.

3. The method for driving a display panel according to claim 1, wherein: The pixel unit further includes a pixel circuit, the pixel circuit is connected to the first ends of all the light-emitting elements in the corresponding pixel unit, the second ends of the light-emitting elements are connected to the first power supply, and the second ends of different light-emitting elements are insulated; The step of driving the light emitting elements in each of the pixel units to emit light in sequence comprises: Each row of pixel circuits is sequentially controlled to transmit a driving voltage to a first end of a light emitting element of a corresponding pixel unit, and a first power supply voltage is sequentially transmitted to a second end of each light emitting element in each pixel unit.

4. The method for driving a display panel according to claim 3, wherein: The display panel includes m rows of pixel units; in each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit includes n sub-rows of light-emitting elements, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1; The method of sequentially controlling each row of pixel circuits to transmit a driving voltage to a first end of a light-emitting element of a corresponding pixel unit, and sequentially transmitting a first power supply voltage to a second end of each light-emitting element in each pixel unit, comprises: From the 1st row to the mth row, sequentially control the pixel circuit of each row to transmit a driving voltage to the first end of the light-emitting element of the corresponding pixel unit, and in the pixel unit transmitting the driving voltage, sequentially transmit the first power supply voltage to the second end of the light-emitting element of each sub-row from the 1st sub-row to the nth sub-row; Preferably, the pixel unit comprises a light-emitting element of a first color, a light-emitting element of a second color and a light-emitting element of a third color; along the row direction, the light-emitting colors of any three consecutive light-emitting elements are different; The method of sequentially controlling the pixel circuits of each row from the first row to the mth row to transmit a driving voltage to the first end of the light-emitting element of the corresponding pixel unit, and sequentially transmitting the first power supply voltage to the second end of the light-emitting element of each sub-row from the first sub-row to the nth sub-row in the pixel unit transmitting the driving voltage, comprises: From the 1st row to the mth row, each row of pixel circuits is controlled in turn to transmit a driving voltage to the first end of the light-emitting element of the corresponding pixel unit. In the pixel unit transmitting the driving voltage, from the first sub-row to the third sub-row, the first power supply voltage is transmitted to the second end of the light-emitting element of each sub-row in turn.

5. The method for driving a display panel according to claim 3, wherein: The display panel includes m rows of pixel units; in each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit includes n sub-rows of light-emitting elements, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1; The method of sequentially controlling each row of pixel circuits to transmit a driving voltage to a first end of a light-emitting element of a corresponding pixel unit, and sequentially transmitting a first power supply voltage to a second end of each light-emitting element in each pixel unit, comprises: Control the pixel circuit of the i-th row to transmit a driving voltage to a first end of a light-emitting element of a corresponding pixel unit; transmit a second power supply voltage to a second end of a light-emitting element of a j-th sub-row in the pixel unit of the i-th row; wherein i and j are integers greater than or equal to 1; Update i to i+1, and return to the step of controlling the pixel circuit of the i-th row to transmit the driving voltage to the first end of the light-emitting element of the corresponding pixel unit until i is greater than m; The i is set to 1, the j is updated to j+1, and the step of controlling the pixel circuit of the i-th row to transmit the driving voltage to the first end of the light-emitting element of the corresponding pixel unit is returned to be executed until the j is greater than the n.

6. The method for driving a display panel according to claim 1, wherein: The second ends of all the light-emitting elements are connected to a first power source; the pixel unit further comprises a pixel circuit and at least two switch tubes, the switch tubes correspond to the light-emitting elements one by one, and the switch tubes are connected between the pixel circuit and the first end of the light-emitting element; The step of driving the light emitting elements in each of the pixel units to emit light in sequence comprises: Controlling each row of pixel circuits to transmit a driving voltage to a corresponding pixel unit in sequence, and controlling the switch tube corresponding to each light-emitting element in each pixel unit to turn on in sequence, so that the pixel circuit transmits the driving voltage to the first end of the corresponding light-emitting element; Preferably, the display panel comprises m rows of pixel units; in each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit comprises n sub-rows of light-emitting elements, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1; The step of sequentially controlling the switching tube corresponding to each light emitting element in each pixel unit to be turned on comprises: From the 1st sub-row to the kth sub-row, the switch tubes corresponding to the light-emitting elements of each sub-row are controlled to be turned on in sequence; wherein k is the product of n and m; Alternatively, from the 1st row to the mth row, the switch tubes corresponding to the light-emitting elements of the current sub-row in each pixel unit are controlled to be turned on in sequence; From the 1st row to the mth row, the switch tubes corresponding to the light emitting elements of the next sub-row in each pixel unit are controlled to be turned on in sequence until the switch tubes corresponding to the light emitting elements of the nth sub-row in the pixel unit of the mth row are turned on.

7. The method for driving a display panel according to claim 1, wherein: In the row direction or column direction of the pixel units, two adjacent pixel units include a first pixel unit and a second pixel unit; The step of driving the light emitting elements in each of the pixel units to emit light in sequence comprises: driving a light-emitting element in the first pixel unit and at least one light-emitting element in the second pixel unit to emit light; wherein the light-emitting color of the light-emitting element in the first pixel unit is different from the light-emitting color of the at least one light-emitting element in the second pixel unit; driving the remaining light-emitting elements in the first pixel unit and the remaining light-emitting elements in the second pixel unit to emit light; Preferably, the pixel unit includes n light-emitting elements of different light-emitting colors; wherein n is an integer greater than 1; The step of driving the light emitting elements in each of the pixel units to emit light in sequence comprises: Driving one light-emitting element in the first pixel unit and n-1 light-emitting elements in the second pixel unit to emit light; wherein the light-emitting color of the one light-emitting element in the first pixel unit is different from the light-emitting color of the n-1 light-emitting elements in the second pixel unit; The remaining light-emitting elements in the first pixel unit and the remaining light-emitting elements in the second pixel unit are driven to emit light.

8. A display panel, characterized in that: The display panel includes a plurality of pixel units, each of which includes at least two light-emitting elements with different light-emitting colors; wherein, in the same driving cycle, in the row direction and / or column direction of the pixel unit arrangement, the light-emitting colors of the light-emitting elements in two adjacent pixel units are different.

9. The display panel according to claim 8, characterized in that: The pixel unit further includes a pixel circuit, the pixel circuit is connected to the first ends of all the light-emitting elements in the corresponding pixel unit, the second ends of the light-emitting elements are connected to the first power supply, and the second ends of different light-emitting elements are insulated; Alternatively, the second ends of all the light-emitting elements are connected to a first power source; the pixel unit further comprises a pixel circuit and at least two switch tubes, the switch tubes correspond to the light-emitting elements one by one, and the switch tubes are connected between the pixel circuit and the first end of the light-emitting element; Preferably, the display panel comprises m rows of pixel units; In each pixel unit, light-emitting elements of different light-emitting colors are located in different sub-rows; each pixel unit includes light-emitting elements of n sub-rows, and the light-emitting colors of any n consecutive light-emitting elements are different; wherein n and m are integers greater than 1; Preferably, the pixel unit comprises a light-emitting element of a first color, a light-emitting element of a second color and a light-emitting element of a third color; along the row direction, the light-emitting colors of any three consecutive light-emitting elements are different.

10. A driving device for a display panel, characterized in that: The display panel includes a plurality of pixel units, each of which includes at least two light-emitting elements of different light-emitting colors; The driving device comprises: The driving module is used to drive the light-emitting elements in each of the pixel units to emit light in sequence; wherein, in the same driving cycle, the light-emitting elements in two adjacent pixel units in the row direction and / or column direction of the pixel unit arrangement have different light-emitting colors.

11. A display device, characterized in that: A driving device for a display panel comprising the method of claim 10.

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