Display panel and display device

Abstract

The invention discloses a display panel and a display device. The display panel comprises a display part and a driving part, the display part comprises a first display area, a second display area and a transition part, and the transition part is located between the first display area and the second display area; the transition part comprises at least one transition display area; wherein the driving part comprises a GOA circuit and a frequency reduction unit, the GOA circuit is connected with the frequency reduction unit, and the frequency reduction unit is connected with the first display area, the transition display area and the second display area, so that the refresh frequencies of the first display area, the transition display area and the second display area during display are gradually reduced one by one. The refresh frequencies of the signals input into the first display area and the second display area after screen splitting are changed through the frequency reduction unit, so that the refresh frequencies of the two display areas are inconsistent, and then the power consumption during screen splitting display is reduced. Meanwhile, the transition part is arranged, so that the first display area and the second display area are more natural during split-screen display.

Description

Technical Field

[0001] Embodiments of the present application relate to the field of screen display technology, and in particular to a display panel and a display device. Background Art

[0002] Split-screen display is a technology that divides the same display screen into different areas and displays the same or different content without hardware separation. Split-screen display technology has been widely used in the market. However, the current split-screen display technology does not consider controlling the screen refresh rate according to the screen usage scenario after the screen is split, resulting in excessive power consumption of the two screens after the split screen. Summary of the invention

[0003] The embodiments of the present application provide a display panel and a display device to solve the technical problem in the prior art that the frequency cannot be changed during split-screen display, resulting in increased screen power consumption.

[0004] In order to solve the above technical problems, the embodiments of the present application disclose the following technical solutions:

[0005] In a first aspect, a display panel is provided, comprising:

[0006] Display part and driving part;

[0007] The display portion includes a first display area, a second display area and a transition portion, wherein the transition portion is located between the first display area and the second display area;

[0008] The transition portion includes at least one transition display area;

[0009] Wherein, the driving part includes a GOA circuit and a frequency reduction unit, the GOA circuit is connected to the frequency reduction unit, and the frequency reduction unit is connected to the first display area, the transition display area and the second display area so that the refresh frequencies of the first display area, the transition display area and the second display area are reduced one by one during display.

[0010] In combination with the first aspect, the first display area is provided with a first light emitting unit, the second display area is provided with a second light emitting unit, and the transition portion is provided with a third light emitting unit;

[0011] Among them, in the split-screen display mode, the light emitting frequency of the first light emitting unit is greater than the light emitting frequency of the third light emitting unit, and the light emitting frequency of the third light emitting unit is greater than the light emitting frequency of the second light emitting unit.

[0012] In combination with the first aspect, the first display area is provided with a first light emitting unit, the second display area is provided with a second light emitting unit, and the transition portion is provided with a third light emitting unit;

[0013] Among them, in the normal display mode, the light emitting frequency of the first light emitting unit when emitting light is equal to the light emitting frequency of the third light emitting unit when emitting light, and the light emitting frequency of the third light emitting unit when emitting light is equal to the light emitting frequency of the second light emitting unit when emitting light.

[0014] In combination with the first aspect, the GOA circuit includes a first drive circuit, a second drive circuit and a third drive circuit, the first drive circuit outputs a first drive signal, the second drive circuit outputs a second drive signal, and the third drive circuit outputs a third drive signal;

[0015] The frequencies of the first driving signal, the second driving signal and the third driving signal are the same.

[0016] In combination with the first aspect, the second driving circuit outputs a fourth driving signal by connecting to the frequency reduction unit; the third driving circuit outputs a fifth driving signal by connecting to the frequency reduction unit;

[0017] Wherein, the frequency of the first driving signal is greater than the frequencies of the fourth driving signal and the fifth driving signal, and the frequencies of the fourth driving signal and the fifth driving signal are the same;

[0018] The second driving circuit further outputs a sixth driving signal by connecting to the frequency reduction unit, and the third driving circuit further outputs a seventh driving signal by connecting to the frequency reduction unit; the frequency of the fourth driving signal is greater than the frequencies of the sixth driving signal and the seventh driving signal, and the frequencies of the sixth driving signal and the seventh driving signal are the same.

[0019] In combination with the first aspect, the frequency reduction unit is located on one side or both sides of the display part;

[0020] The first driving signal is respectively input into the first light emitting unit, the second light emitting unit and the third light emitting unit;

[0021] The second driving signal and the third driving signal are input into the first light emitting unit, and are respectively input into the third light emitting unit through the frequency reduction unit;

[0022] The fourth driving signal and the fifth driving signal are input to the second light emitting unit, and are input to the third light emitting unit through the frequency reduction unit respectively.

[0023] In combination with the first aspect, there are multiple transitional display areas, and the frequency reduction unit is located between the first display area and the multiple transitional display areas;

[0024] The first driving signal is respectively input into the first light emitting unit, the second light emitting unit and the third light emitting unit;

[0025] The second driving signal and the third driving signal are input into the first light emitting unit, and are respectively input into the second light emitting unit and the third light emitting unit through the frequency reduction unit;

[0026] The sixth driving signal and the seventh driving signal are input into the second light emitting unit.

[0027] In combination with the first aspect, there are multiple transitional display areas, and the frequency reduction unit is located between the first display area and the transitional display area and between multiple transitional display areas;

[0028] The first driving signal is respectively input into the first light emitting unit, the second light emitting unit and the third light emitting unit;

[0029] The second driving signal and the third driving signal are input into the first light emitting unit, and are respectively input into the second light emitting unit and the third light emitting unit through the frequency reduction unit;

[0030] The sixth driving signal and the seventh driving signal are input into the second light emitting unit.

[0031] In combination with the first aspect, there are multiple transitional display areas, and the frequency reduction unit is located between the first display area and the transitional display area, between multiple transitional display areas, and between the multiple transitional display areas and the second display area;

[0032] The first driving signal is respectively input into the first light emitting unit, the second light emitting unit and the third light emitting unit;

[0033] The second driving signal and the third driving signal are input to the first light emitting unit, and are input to the second light emitting unit and the third light emitting unit respectively through one or more frequency reduction units.

[0034] In a second aspect, a display device is provided, comprising a display panel as described in any embodiment of the first aspect.

[0035] One of the above technical solutions has the following advantages or beneficial effects:

[0036] Compared with the prior art, a display panel of the present application includes: a display part and a driving part; the display part includes a first display area, a second display area and a transition part, the transition part is located between the first display area and the second display area; the transition part includes at least one transition display area; wherein the driving part includes a GOA circuit and a frequency reduction unit, the GOA circuit is connected to the frequency reduction unit, and the frequency reduction unit is connected to the first display area, the transition display area and the second display area so that the refresh frequencies of the first display area, the transition display area and the second display area are gradually reduced during display. The present application changes the refresh frequencies of the first display area and the second display area after the split screen, so that the refresh frequencies of the two display areas are inconsistent, thereby reducing the power consumption during the split screen display. At the same time, a transition part is set to make the first display area and the second display area more natural during the split screen display. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The technical solution and other beneficial effects of the present application will be made apparent by describing in detail the specific implementation methods of the present application in conjunction with the accompanying drawings.

[0038] Figure 1 A schematic diagram of module distribution of a display panel provided in an embodiment of the present application;

[0039] Figure 2 A schematic diagram of module distribution of one of the embodiments provided in this application;

[0040] Figure 3 A frequency distribution diagram of one of the embodiments provided in this application;

[0041] Figure 4 A schematic diagram of a module connection structure of one of the embodiments provided in this application;

[0042] Figure 5 A schematic diagram of module distribution of another embodiment provided in this application;

[0043] Figure 6 A frequency distribution diagram of another embodiment provided by the present application;

[0044] Figure 7 A schematic diagram of a module connection structure of another embodiment provided in the present application;

[0045] Figure 8 A schematic diagram of module distribution of another embodiment provided by the present application;

[0046] Fig. 9 A frequency distribution diagram of another embodiment provided in the present application;

[0047] Fig.10 A schematic diagram of a module connection structure of another embodiment provided in the present application;

[0048] Fig.11 A schematic diagram of the connection structure of a frequency reduction unit according to an embodiment of the present application;

[0049] Fig.12 A schematic diagram of a connection structure of a frequency reduction unit according to another embodiment of the present application;

[0050] Fig.13 A schematic diagram of the connection structure of the first driving circuit of the embodiment provided in this application;

[0051] Fig.14 A schematic diagram of the connection structure of the second driving circuit of the embodiment provided in this application;

[0052] Fig.15 A schematic diagram of the connection structure of the third driving circuit of the embodiment provided in this application;

[0053] Fig.16 A schematic diagram of the circuit connection structure of a pixel in one of the embodiments provided in this application;

[0054] Fig.17 A schematic diagram of a circuit connection structure of a pixel in another embodiment provided in the present application;

[0055] Fig.18 A schematic diagram of the circuit connection structure of a pixel in another embodiment provided in the present application. DETAILED DESCRIPTION

[0056] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. In the description of the present application, it is necessary to understand that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0057] The applicant noted that AMOLED is a display technology that is widely used on the market, and is more obvious in mobile terminals and wearable terminals. At the same time, split-screen technology is also widely used in large-screen mobile phones and laptops. After combining the two technologies, in some products, the two split screens can realize different functions, such as realizing the display function on one screen and the touch function on the other screen. However, in the current technology, the two split screens do not use different refresh frequencies according to their respective functions, which causes the screen that does not require a high refresh rate to consume more resources, resulting in unnecessary waste.

[0058] The specific implementation methods of the present application are described below by way of examples:

[0059] like Figure 1 and Figure 2 As shown, an embodiment of the present application provides a display panel, including a display part and a driving part; the display part includes a first display area, a second display area and a transition part, the transition part is located between the first display area and the second display area; the transition part includes at least one transition display area; wherein the driving part includes a GOA circuit and a frequency reduction unit, the GOA circuit is connected to the frequency reduction unit, and the frequency reduction unit is connected to the first display area, the transition display area and the second display area so that the refresh frequencies of the first display area, the transition display area and the second display area are gradually reduced when displayed. It can be understood that after the display panel is split, the first display area and the second display area are respectively applied to different functions, such as the first display area is used to display video content, and the second display area is used to display picture content. In order to reduce the power consumption of the screen after the split screen, the frequency reduction unit is connected to the output end of the GOA circuit, so as to reduce the frequency of the screen that does not require a high refresh rate, for example, the screen that displays pictures or touches the keyboard can reduce the refresh frequency, while the screen that displays video content needs to display more details, so a higher refresh frequency can be maintained. The present application reduces the power consumption of the screen by controlling the refresh frequency of different screens after the split screen, thereby saving resources. At the same time, considering that there will be a large brightness and chromaticity difference between the two screens after the frequency reduction processing, resulting in an unnatural transition at the junction of the first display area and the second display area. A transition part is set between the first display area and the second display area, and the transition part is divided into multiple transition display areas. The multiple transition display areas can be displayed step by step from high to low according to the refresh frequency of the first display area and the second display area, so that the brightness and chromaticity difference when transitioning from the first display area to the second display area is smaller, and the transition from high frequency to low frequency in the first display area and the second display area is more natural.

[0060] like Figure 3 , Figure 4 , Figure 6 , Figure 7 , Fig. 9 and Fig.10As shown, in the embodiment of the present application, the first display area is provided with a first light-emitting unit P1, the second display area is provided with a second light-emitting unit P2, and the transition part is provided with a third light-emitting unit P3; wherein, in the split-screen display mode, the light-emitting frequency of the first light-emitting unit P1 when emitting light is greater than the light-emitting frequency of the third light-emitting unit P3 when emitting light, and the light-emitting frequency of the third light-emitting unit P3 when emitting light is greater than the light-emitting frequency of the second light-emitting unit P2 when emitting light. It can be understood that, in the split-screen display, in order to ensure that the brightness and chromaticity difference between the first display area and the second display area is smaller, and the transition can be more natural, a corresponding light-emitting unit is provided in each area, so that the refresh frequency of the first display area, the transition part and the second display area when displaying is gradually reduced from large to small. In some other embodiments of the present application, according to actual usage, the refresh frequency of each display area can also be arranged in a gradient decreasing manner from large to small from the second display area, the transition part and the first display area.

[0061] like Figure 3 , Figure 4 , Figure 6 , Figure 7 , Fig. 9 and Fig.10 As shown, in an embodiment of the present application, the first display area is provided with a first light-emitting unit P1, the second display area is provided with a second light-emitting unit P2, and the transition part is provided with a third light-emitting unit P3; wherein, in the normal display mode, the light-emitting frequency of the first light-emitting unit P1 when emitting light is equal to the light-emitting frequency of the third light-emitting unit P3 when emitting light, and the light-emitting frequency of the third light-emitting unit P3 when emitting light is equal to the light-emitting frequency of the second light-emitting unit P2 when emitting light. It can be understood that when the screen is split, the refresh frequency of each area needs to be controlled to reduce the brightness and chromaticity difference between the first display area and the second display area. However, when the screen is not split, the first display area and the second display area are displayed with the same refresh frequency, and the refresh frequency of the transition part is the same as the refresh frequency of the first display area and the second display area. Thereby, the display panel can maintain a high refresh frequency when the screen is not split, avoiding display errors in areas with different refresh frequencies when the screen is not split.

[0062] like Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 8 and Fig. 9As shown, in an embodiment of the present application, the GOA circuit includes a first drive circuit, a second drive circuit and a third drive circuit, the first drive circuit outputs a first drive signal, the second drive circuit outputs a second drive signal, and the third drive circuit outputs a third drive signal; wherein the frequencies of the first drive signal, the second drive signal and the third drive signal are the same. It can be understood that the first drive signal, the second drive signal and the third drive signal are all high-frequency signals and drive the first light-emitting unit P1, the second light-emitting unit P2 and the third light-emitting unit P3 to emit light. The light-emitting units are driven to emit light by drive signals of the same frequency, thereby ensuring that the screen can maintain the same refresh frequency for display when the screen is not split, avoiding display errors caused by different refresh frequencies in different areas.

[0063] like Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 8 and Fig. 9 As shown, in an embodiment of the present application, the second drive circuit outputs a fourth drive signal by connecting to the frequency reduction unit D; the third drive circuit outputs a fifth drive signal by connecting to the frequency reduction unit D; wherein the frequency of the first drive signal is greater than the frequencies of the fourth drive signal and the fifth drive signal, and the frequencies of the fourth drive signal and the fifth drive signal are the same; the second drive circuit also outputs a sixth drive signal by connecting to the frequency reduction unit D, and the third drive circuit also outputs a seventh drive signal by connecting to the frequency reduction unit D; the frequency of the fourth drive signal is greater than the frequencies of the sixth drive signal and the seventh drive signal, and the frequencies of the sixth drive signal and the seventh drive signal are the same.

[0064] In the embodiment of the present application, the first display area is set as the high refresh rate area during the split screen operation by default, and the second display area is set as the low refresh rate area. Therefore, when the screen is split, the refresh rate of the second light emitting unit P2 is the lowest, and since the refresh rate is gradually decreasing, the refresh rate of the third light emitting unit P3 is higher than that of the second light emitting unit P2. Figures 2 to 4 As shown, the refresh rate of the second light emitting unit P2 in the second display area is 10Hz, while the refresh rates of the third light emitting unit P3 in the transition display area from left to right are 60Hz and 30Hz. The output frequencies of the first drive signal are the same, both 120Hz, and the output frequencies of the fourth drive signal and the fifth drive signal are both 30Hz. Figures 5 to 7 As shown, in some other embodiments of the present application, the refresh frequency of the second light emitting unit P2 in the second display area is 10Hz, and the refresh frequencies of the third light emitting unit P3 in the transition display area from left to right are 60Hz and 30Hz. The output frequencies of the first drive signal are the same, both 120Hz, and the output frequencies of the fourth drive signal and the fifth drive signal are the same, both 10Hz. Figures 8 to 10 As shown, in some other embodiments of the present application, the light-emitting units in the second display area and the transition display area are driven by the first drive signal, the second drive signal and the third drive signal. The refresh frequency of the second light-emitting unit P2 in the second display area is 10Hz, and the refresh frequencies of the third light-emitting unit P3 in the transition display area from left to right are 60Hz and 30Hz. It can be understood that by controlling the refresh frequencies of the first display area, the transition display area and the second display area, the refresh frequency of the area that does not need to display details can be kept at a lower level, thereby reducing the power consumption generated by the screen during split-screen display, thereby saving power resources.

[0065] like Figure 2 , Figure 3 and Figure 4 As shown, in the embodiment of the present application, the frequency reduction unit is located on one side or both sides of the display part; the first driving signal is input into the first light-emitting unit P1, the second light-emitting unit P2 and the third light-emitting unit P3 respectively; the second driving signal and the third driving signal are input into the first light-emitting unit P1, and are respectively input into the third light-emitting unit P3 through the frequency reduction unit D; the fourth driving signal and the fifth driving signal are input into the second light-emitting unit P2, and are respectively input into the third light-emitting unit P3 through the frequency reduction unit D. It can be understood that the frequency reduction unit D can reduce the driving frequency of the driving signal, and the reduced driving signal is input into the corresponding light-emitting unit, so that the refresh frequency of the light-emitting unit is reduced, thereby satisfying the control of the refresh frequency of each area in the display panel. In the embodiment of the present application, the frequency reduction unit D is located outside the display part, so the frequency reduction unit D can be located on any side or both sides of the display part according to the frequency reduction requirements.

[0066] like Figure 2 , Figure 3 and Figure 4As shown, the first light-emitting unit P1 in the first display area is directly driven by the first drive signal, the second drive signal and the third drive signal of 120Hz, so the refresh frequency of the first light-emitting unit P1 is 120Hz. The left transition display area is first directly connected and driven by the first drive signal of 120Hz, and then the second drive signal of 120Hz and the third drive signal of 120Hz are input to the left transition display area after being down-converted to 60Hz by the 60Hz frequency reduction unit, so the refresh frequency of the left transition display area is 60Hz; while the right transition display area is first directly connected and driven by the first drive signal of 120Hz, and then directly driven by the fourth drive signal of 30Hz and the fifth drive signal of 30Hz, so the refresh frequency of the right transition display area is 30Hz. The second display area is first directly connected and driven by the first drive signal of 120Hz, and then the fourth drive signal of 30Hz and the fifth drive signal of 30Hz are driven after being down-converted to 10Hz by the 10Hz frequency reduction unit, so the refresh frequency of the second display area is 10Hz. It should be noted that the refresh rate of 120Hz in the first display area in the present application is only for the convenience of illustration. In actual applications, the refresh rate of the first display area can be higher than 120Hz, such as 144Hz, 240Hz, or lower than 120Hz, such as 85Hz, 60Hz, etc. The refresh rates of the transition display area and the second display area are determined by the refresh rate of the first display area. Generally speaking, the refresh rates of the transition display area and the second display area are selected from the divisors of the refresh rate of the first display area. At the same time, there can also be multiple transition display areas, such as 3, 4, 8 or 12 or even more. It can be known that the more the number of transition display areas, the more natural the transition of the display panel, and the smaller the chromaticity difference and brightness difference of adjacent display areas. In an embodiment of the present application, the frequency reduction unit D is arranged on the outside of the display part to ensure the integrity of the display part, improve the brightness of the first display area, the transition display area and the second display area in the display part, and reduce the spatial arrangement pressure of the display part.

[0067] In the embodiment of the present application, the display panel further includes a frequency reduction unit, the transition display area has multiple frequency reduction units D, and the frequency reduction unit D is located between the first display area and the multiple transition display areas; the first drive signal is respectively input into the first light-emitting unit P1, the second light-emitting unit P2, and the third light-emitting unit P3; the second drive signal and the third drive signal are respectively input into the first light-emitting unit P1, and are respectively input into the second light-emitting unit P2 and the third light-emitting unit P3 through the frequency reduction unit D; the sixth drive signal and the seventh drive signal are input into the second light-emitting unit P2. It can be understood that in this embodiment, the first drive signal is connected to and drives the first light-emitting unit P1, the second light-emitting unit P2, and the third light-emitting unit P3, and the second drive signal and the third drive signal are connected to the third light-emitting unit P3 after being frequency-reduced by the frequency reduction unit, and at the same time, the first drive signal, the sixth drive signal, and the seventh drive signal are directly connected to the second light-emitting unit P2, at this time, the first drive signal is a high-frequency signal, the sixth drive signal and the seventh drive signal are both low-frequency signals, and the sixth drive signal and the seventh drive signal can be respectively connected to multiple frequency reduction units D through the second drive signal or the third drive signal for frequency reduction. In the embodiment of the present application, the frequency reduction unit D is built into the display part, which can reduce the frame outside the display panel, thereby making the frame around the display device narrower, thereby improving the viewing experience.

[0068] like Figure 5 , Figure 6 and Figure 7As shown, in the embodiment of the present application, there are multiple transition display areas, and the frequency reduction unit D is located between the first display area and the transition display area and between multiple transition display areas; the first drive signal is respectively input to the first light-emitting unit P1, the second light-emitting unit P2 and the third light-emitting unit P3; the second drive signal and the third drive signal are input to the first light-emitting unit P1, and are respectively input to the second light-emitting unit P2 and the third light-emitting unit P3 through the frequency reduction unit D; the sixth drive signal and the seventh drive signal are input to the second light-emitting unit P2. It can be understood that in this embodiment, the first drive signal provides a 120Hz drive signal for the first light-emitting unit P1, the second light-emitting unit P2 and the third light-emitting unit P3. The second drive signal of 120 Hz and the third drive signal of 120 Hz are first input into the first light-emitting unit P1, and then the second drive signal of 120 Hz and the third drive signal of 120 Hz are input into the third light-emitting unit P3 in the transition display area on the left after being down-converted by the 60 Hz down-converting unit D, and then the second drive signal of 120 Hz and the third drive signal of 120 Hz are input into the third light-emitting unit P3 in the transition display area on the right after being down-converted by the 30 Hz down-converting unit D. The second light-emitting unit P2 in the second display area is directly driven by the first drive signal of 120 Hz, the sixth drive signal of 10 Hz and the seventh drive signal of 10 Hz. In the embodiment of the present application, the down-converting unit D is built into the display part to reduce the frame outside the display panel, thereby making the frame around the display device narrower, thereby improving the viewing experience.

[0069] like Figure 8 , Fig. 9 and Fig.10As shown, in the embodiment of the present application, there are multiple transition display areas, and the frequency reduction unit D is located between the first display area and the transition display area, between multiple transition display areas, and between multiple transition display areas and the second display area; the first drive signal is respectively input to the first light-emitting unit P1, the second light-emitting unit P2, and the third light-emitting unit P3; the second drive signal and the third drive signal are input to the first light-emitting unit P1, and are respectively input to the second light-emitting unit P2 and the third light-emitting unit P3 through one or more frequency reduction units D. It can be understood that in this embodiment, the first drive signal provides a 120Hz drive signal for the first light-emitting unit P1, the second light-emitting unit P2, and the third light-emitting unit P3. The second drive signal and the third drive signal provide a 120Hz drive signal for the first light-emitting unit P1. The second drive signal of 120Hz and the third drive signal of 120Hz are down-converted to 60Hz by the 60Hz down-converting unit D and then input into the transition display area on the left; then the second drive signal of 120Hz and the third drive signal of 120Hz are down-converted to 30Hz by the 30Hz down-converting unit D and then input into the transition display area on the right; finally, the second drive signal of 120Hz and the third drive signal of 120Hz are down-converted to 10Hz by the 10Hz down-converting unit D and then input into the second display area. In the embodiment of the present application, the down-converting unit D is built into the display part to reduce the frame outside the display panel, thereby making the frame around the display device narrower, thereby improving the viewing experience. At the same time, the down-converting unit D is set between each display area, the generation of the fourth drive signal, the fifth drive signal and the sixth drive signal is eliminated, and the components are reduced, which can further reduce the external frame of the display panel and thus reduce the size of the external panel, which is convenient for transportation and installation.

[0070] In the embodiments of the present application, Fig.13 As shown, the first driving circuit provided in the embodiment of the present application is as follows: Fig.14 As shown, the second driving circuit provided in the embodiment of the present application is as follows: Fig.15 As shown, it is a third driving circuit provided by an embodiment of the present application. The first driving circuit generates a first driving signal, and the first driving signal is an EM signal in the GOA signal; the second driving circuit generates a second driving signal, and the second driving signal and are Nscan signals in the GOA signal, and the fourth driving signal and the sixth driving signal are both Nscan signals downconverted by the downconverter unit D, the third driving circuit generates a third driving signal, and the third driving signal is a Pscan signal in the GOA signal, and the fifth driving signal and the seventh driving signal are both Pscan signals downconverted by the downconverter unit D.

[0071] like Fig.11 and Fig.12As shown, the frequency reduction unit D is composed of a PMOS or NMOS type TFT, and the frequency reduction unit D includes an input end and an output end. The input end inputs a high-frequency signal, and the output end outputs a low-frequency signal accordingly. At the same time, the frequency reduction unit D is controlled by the CLK signal output by the IC. In an embodiment of the present application, the input end of the frequency reduction unit D is connected to the second drive signal or the third drive signal, and the output end of the frequency reduction unit D is connected to the second light-emitting unit P2 or the third light-emitting unit P3. In addition, multiple frequency reduction units D can be connected in series to reduce the frequency of a high-frequency signal multiple times to obtain a low-frequency signal. The frequency of the CLK signal is selected according to the frequencies of the high-frequency signal and the low-frequency signal. When the frequency of the high-frequency signal is 120Hz and the required low-frequency signal is 60Hz, the input CLK signal is 2Hz; if the required low-frequency signal is 30Hz, the input CLK signal is 4Hz, that is, the frequency of the high-frequency signal / the frequency of the CLK signal = the frequency of the low-frequency signal.

[0072] In the embodiment of the present application, when the display panel needs to be split, after the corresponding high-frequency signal is provided by the GOA signal, the high-frequency signal is down-converted by the down-conversion unit D and input into the corresponding light-emitting unit, and the light-emitting unit emits light after receiving the signal of the corresponding frequency. The light-emitting unit in the embodiment of the present application is an RGB pixel. Fig.16 , Fig.17 and Fig.18 As shown, there are three circuits for controlling the light-emitting unit to emit light in three cases. The light-emitting unit is controlled to emit light through three GOA signals EM, Pscan and Nscan and VDD. At the same time, the circuit needs to meet the following conditions when working: in the path from VDD to VSS, the frequency of the TFT controlled by the GOA signal (EM or EM1) cannot be changed or the frequency cannot be reduced to below 60Hz; the TFT input from Data to T2 and T7 for Vi_Ano reset cannot be driven by the same signal; when the GOA signal is frequency-reduced, the driving frequency of the TFT of T7 cannot be reduced; except for T5 / T6 / T7, the driving frequency of the TFT controlled by other GOA signals decreases as the display frequency decreases. When connecting the circuit, Figures 13 to 15 The output terminal Out of the first drive circuit, the second drive circuit or the third drive circuit is connected to Figures 16 to 18 For example, the output terminal Out of the first driving circuit EM is connected to the EM terminal of the pixel circuit, and the output terminal Out of the second driving circuit Nscan is connected to the Nscan terminal in the pixel circuit. It should be noted that when the driving signal output by the driving circuit needs to be down-converted, a down-converting unit D needs to be connected between the driving circuit and the pixel circuit. At this time, the output terminal Out of the second driving circuit Nscan is connected to the input terminal in of the down-converting unit D, and the output terminal Out of the down-converting unit D is connected to the Nscan terminal in the pixel circuit.

[0073] In the embodiments of the present application, Figures 13 to 18 In the figure, VGL stands for "Gate Low Voltage", i.e., gate low voltage signal; VGH stands for "Gate High Voltage", i.e., gate high voltage signal; CK usually stands for clock signal (Clock); XCK stands for clock signal which is one line cycle phase different from CK; N1-3 is connection point; T1-13 stands for Thin-Film Transistor, i.e., TFT thin film transistor; C1-3 is capacitor; STV stands for frame start signal; Control stands for control signal; OUT stands for output terminal; Vi_G stands for Gate Voltage", i.e., gate voltage; Cboost is to realize voltage boost function; Cst stands for stabilizing capacitor; Vi_Ano stands for Anode Voltage", i.e., anode voltage; VDD stands for positive power supply pin or power supply voltage; VSS stands for negative power supply pin; Data usually stands for data signal used to transmit and represent pixel color or brightness value; Vi3 stands for the third input voltage; Nscan and Pscan are both scan signals, which are used to control pixel refresh and line scan in liquid crystal display.

[0074] The embodiment of the present application provides a display device, comprising a display panel as in any of the above embodiments. The functions that can be realized by the display panel in the display device have been reflected in the above embodiments, so they will not be described in detail here.

[0075] The above is a detailed introduction to a display panel and a display device provided in the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A display panel, characterized in that: include: Display part and drive part; The display portion includes a first display area, a second display area and a transition portion, wherein the transition portion is located between the first display area and the second display area; The transition portion includes at least one transition display area; Wherein, the driving part includes a GOA circuit and a frequency reduction unit, the GOA circuit is connected to the frequency reduction unit, and the frequency reduction unit is connected to the first display area, the transition display area and the second display area so that the refresh frequencies of the first display area, the transition display area and the second display area are reduced one by one during display.

2. The display panel according to claim 1, wherein: The first display area is provided with a first light emitting unit, the second display area is provided with a second light emitting unit, and the transition part is provided with a third light emitting unit; Among them, in the split-screen display mode, the light emitting frequency of the first light emitting unit is greater than the light emitting frequency of the third light emitting unit, and the light emitting frequency of the third light emitting unit is greater than the light emitting frequency of the second light emitting unit.

3. The display panel according to claim 1, wherein: The first display area is provided with a first light emitting unit, the second display area is provided with a second light emitting unit, and the transition part is provided with a third light emitting unit; Among them, in the normal display mode, the light emitting frequency of the first light emitting unit when emitting light is equal to the light emitting frequency of the third light emitting unit when emitting light, and the light emitting frequency of the third light emitting unit when emitting light is equal to the light emitting frequency of the second light emitting unit when emitting light.

4. The display panel according to claim 2 or 3, characterized in that: The GOA circuit includes a first drive circuit, a second drive circuit and a third drive circuit, the first drive circuit outputs a first drive signal, the second drive circuit outputs a second drive signal, and the third drive circuit outputs a third drive signal; The frequencies of the first driving signal, the second driving signal and the third driving signal are the same.

5. The display panel according to claim 4, wherein: The second driving circuit outputs a fourth driving signal by connecting to the frequency reduction unit; the third driving circuit outputs a fifth driving signal by connecting to the frequency reduction unit; Wherein, the frequency of the first driving signal is greater than the frequencies of the fourth driving signal and the fifth driving signal, and the frequencies of the fourth driving signal and the fifth driving signal are the same; The second driving circuit further outputs a sixth driving signal by connecting to the frequency reduction unit, and the third driving circuit further outputs a seventh driving signal by connecting to the frequency reduction unit; the frequency of the fourth driving signal is greater than the frequencies of the sixth driving signal and the seventh driving signal, and the frequencies of the sixth driving signal and the seventh driving signal are the same.

6. The display panel according to claim 5, wherein: The frequency reduction unit is located on one side or both sides of the display part; The first driving signal is respectively input into the first light emitting unit, the second light emitting unit and the third light emitting unit; The second driving signal and the third driving signal are input into the first light emitting unit, and are respectively input into the third light emitting unit through the frequency reduction unit; The fourth driving signal and the fifth driving signal are input to the second light emitting unit, and are input to the third light emitting unit through the frequency reduction unit respectively.

7. The display panel according to claim 5, wherein: There are multiple transitional display areas, and the frequency reduction unit is located between the first display area and the multiple transitional display areas; The first driving signal is respectively input into the first light emitting unit, the second light emitting unit and the third light emitting unit; The second driving signal and the third driving signal are input into the first light emitting unit, and are respectively input into the second light emitting unit and the third light emitting unit through the frequency reduction unit; The sixth driving signal and the seventh driving signal are input into the second light emitting unit.

8. The display panel according to claim 5, wherein: There are multiple transitional display areas, and the frequency reduction unit is located between the first display area and the transitional display area and between multiple transitional display areas; The first driving signal is respectively input into the first light emitting unit, the second light emitting unit and the third light emitting unit; The second driving signal and the third driving signal are input into the first light emitting unit, and are respectively input into the second light emitting unit and the third light emitting unit through the frequency reduction unit; The sixth driving signal and the seventh driving signal are input into the second light emitting unit.

9. The display panel according to claim 4, wherein: There are multiple transition display areas, and the frequency reduction unit is located between the first display area and the transition display area, between multiple transition display areas, and between the multiple transition display areas and the second display area; The first driving signal is respectively input into the first light emitting unit, the second light emitting unit and the third light emitting unit; The second driving signal and the third driving signal are input to the first light emitting unit, and are input to the second light emitting unit and the third light emitting unit respectively through one or more frequency reduction units.

10. A display device, characterized in that: The invention comprises a display panel as claimed in any one of claims 1 to 9.

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