WO2022116333A1 - Display device and driving method therefor - Google Patents

Display device and driving method therefor Download PDF

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Publication number
WO2022116333A1
WO2022116333A1 PCT/CN2020/140702 CN2020140702W WO2022116333A1 WO 2022116333 A1 WO2022116333 A1 WO 2022116333A1 CN 2020140702 W CN2020140702 W CN 2020140702W WO 2022116333 A1 WO2022116333 A1 WO 2022116333A1
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WO
WIPO (PCT)
Prior art keywords
driving
display area
driving circuit
state
chip
Prior art date
Application number
PCT/CN2020/140702
Other languages
French (fr)
Chinese (zh)
Inventor
肖光星
Original Assignee
Tcl华星光电技术有限公司
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Filing date
Publication date
Application filed by Tcl华星光电技术有限公司 filed Critical Tcl华星光电技术有限公司
Publication of WO2022116333A1 publication Critical patent/WO2022116333A1/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines

Definitions

  • the present application relates to the field of display, and in particular, to a display device and a driving method thereof.
  • Mini light-emitting diodes are products with a chip size below 200 microns. Mini-LED is used in the market for LCD display backlight, because it can achieve ultra-thin and multi-partition functions, and at the same time, it uses a small-sized chip, which can be comparable to the organic light-emitting diode display (OLED, Organic Light Emitting Diode display) in display effect. ) product, and it can be more competitive than OLED in terms of material cost and is proposed for use.
  • OLED Organic Light Emitting Diode display
  • Mini-LED is used in the market for LCD display backlight source, however, due to the control integrated circuit (IC, integrated circuit) is located at one end of the LCD, the distances between each Mini-LED and the control IC are different, and the lengths of the data traces connected between the Mini-LEDs and the control IC are quite different, resulting in a large difference in impedance, making the data traces There is a large voltage difference between the lines in the vertical direction in which the data lines extend, resulting in uneven brightness and darkness of the display device.
  • IC integrated circuit
  • the present application provides a display device and a driving method thereof, so as to solve the technical problem that the lengths and impedances of different data traces in the existing display device are greatly different, resulting in uneven brightness and darkness of the display device.
  • the present application provides a display device, comprising:
  • a display panel at least includes a first display area and a second display area arranged in parallel along a first direction, the first display area is provided with a first driving circuit, and the second display area is provided with a first display area two drive circuits;
  • a driving chip which is respectively connected to the first driving circuit and the second driving circuit, and the driving chip drives the display of the first display area and the second display area;
  • the driving chip is disposed in the middle of the display panel, the first driving circuit includes a plurality of first data lines parallel to the first direction, and the second driving circuit includes a plurality of first data lines parallel to the first direction.
  • the second data lines are parallel in one direction.
  • a conduction switching unit is further included, and the conduction switching unit is respectively connected to the driving chip, the first driving circuit and the second driving circuit, and the The driving chip controls the working state of the conduction switching unit to switch the on-off state with the first driving circuit and the second driving circuit;
  • the on-off state of the driver chip and the first driver circuit and the second driver circuit includes:
  • the driver chip is turned on with the first driver circuit, and the driver chip is disconnected from the second driver circuit;
  • the second state the driving chip and the second driving circuit are turned on, and the driving chip and the first driving circuit are disconnected.
  • the conduction switching unit includes a selection switch, the driving chip is respectively connected to the input terminal and the control terminal of the selection switch, and the selection output terminal of the selection switch selects connected to the first drive circuit and the second drive circuit.
  • both the first driving circuit and the second driving circuit include a plurality of scan lines perpendicular to the first direction;
  • the on-off state of the driving chip, the first driving circuit and the second driving circuit is switched between the first state and the second state, and each time the first state is switched In a state or the second state, the driving chip outputs a driving signal to one of the scan lines in the first display area or one of the scan lines in the second display area, wherein the drive The chip outputs driving signals to different scan lines each time.
  • the first driving circuit and the second driving circuit include a total of 2k scan lines, and the first driving circuit includes a first driving circuit located in the first display area.
  • the second driving circuit includes k+1 to 2kth scan lines located in the second display area, where k is a positive integer; the first display area
  • the scanning direction is the same as or opposite to the scanning direction of the second display area.
  • the scanning direction of the first display area is the same as the scanning direction of the second display area, including:
  • the scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the k+1th to 2kth scan lines; or
  • the scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the 2kth to k+1th scan lines.
  • the scanning direction of the first display area is opposite to the scanning direction of the second display area including:
  • the scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the 2kth to k+1th scan lines; or
  • the scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the k+1st to 2kth scan lines.
  • the scan time of the driving signal received by one of the scan lines far away from the driving chip is longer than that of the other scan lines close to the driving chip.
  • the scan time of the drive signal received by the scan line is longer than that of the other scan lines close to the driving chip.
  • the present application also provides a display device, comprising:
  • a display panel at least includes a first display area and a second display area arranged in parallel along a first direction, the first display area is provided with a first driving circuit, and the second display area is provided with a first display area two drive circuits;
  • a driving chip which is respectively connected to the first driving circuit and the second driving circuit, and the driving chip drives the display of the first display area and the second display area;
  • the driving chip is disposed in the middle of the display panel, the first driving circuit includes a plurality of first data lines parallel to the first direction, and the second driving circuit includes a plurality of first data lines parallel to the first direction. a second data line parallel in one direction;
  • the display device further includes a conduction switching unit, the conduction switching unit is respectively connected with the driving chip, the first driving circuit and the second driving circuit, and the driving chip controls the conduction switching the working state of the unit to switch the on-off state with the first drive circuit and the second drive circuit;
  • the on-off state of the driver chip and the first driver circuit and the second driver circuit includes:
  • the driver chip is turned on with the first driver circuit, and the driver chip is disconnected from the second driver circuit;
  • the second state the driving chip is connected to the second driving circuit, and the driving chip is disconnected from the first driving circuit;
  • the conduction switching unit includes a selection switch, the driving chip is respectively connected with the input terminal and the control terminal of the selection switch, and the selection output terminal of the selection switch is selectively connected with the first driving circuit and the control terminal.
  • the second drive circuit is connected;
  • Both the first driving circuit and the second driving circuit include a plurality of scan lines perpendicular to the first direction;
  • the on-off state of the driving chip, the first driving circuit and the second driving circuit is switched between the first state and the second state, and each time the first state is switched In a state or the second state, the driving chip outputs a driving signal to one of the scan lines in the first display area or one of the scan lines in the second display area, wherein the drive The chip outputs driving signals to different scan lines each time.
  • the first driving circuit and the second driving circuit include a total of 2k scan lines, and the first driving circuit includes a first driving circuit located in the first display area.
  • the second driving circuit includes k+1 to 2kth scan lines located in the second display area, where k is a positive integer; the first display area
  • the scanning direction is the same as or opposite to the scanning direction of the second display area.
  • the scanning direction of the first display area is the same as the scanning direction of the second display area, including:
  • the scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the k+1th to 2kth scan lines; or
  • the scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the 2kth to k+1th scan lines.
  • the scanning direction of the first display area is opposite to the scanning direction of the second display area including:
  • the scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the 2kth to k+1th scan lines; or
  • the scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the k+1st to 2kth scan lines.
  • the scan time of the driving signal received by one of the scan lines far away from the driving chip is longer than that of the other scan lines close to the driving chip.
  • the scan time of the drive signal received by the scan line also provides a method for driving a display device, the display device comprising:
  • a display panel at least includes a first display area and a second display area arranged in parallel along a first direction, the first display area is provided with a first driving circuit, and the second display area is provided with a first display area Two drive circuits;
  • a driving chip which is respectively connected to the first driving circuit and the second driving circuit, and the driving chip drives the display of the first display area and the second display area;
  • the driving chip is disposed in the middle of the display panel, the first driving circuit includes a plurality of first data lines parallel to the first direction, and the second driving circuit includes a plurality of first data lines parallel to the first direction.
  • a second data line parallel to one direction, the first drive circuit and the second drive circuit each include a plurality of scan lines perpendicular to the first direction;
  • the driving method of the display device includes the following steps:
  • the on-off state of the driving chip, the first driving circuit and the second driving circuit is switched between the first state and the second state, and each time the first state is switched In a state or the second state, the driving chip outputs a driving signal to one of the scan lines in the first display area or one of the scan lines in the second display area, and each time the driver chip outputting driving signals to different said scan lines for the second time;
  • the first state is: the driving chip and the first driving circuit are turned on, and the driving chip and the second driving circuit are disconnected;
  • the second state is: the driving chip and the second driving circuit are turned on, and the driving chip and the first driving circuit are disconnected.
  • each of the driving periods includes a normal driving period and a normal blank period, and the interval time between two adjacent driving periods is zero;
  • the normal driving period is divided into a plurality of normal driving sub-sections
  • the normal blank period is divided into a plurality of normal blank sub-sections
  • the driving signal received by each of the scanning lines The scan time includes at least one of the regular drive subsections and one of the regular blank subsections.
  • Beneficial effects of the present application in the present application, by setting the display panel to at least include a first display area and a second display area arranged side by side along the first direction, and arranging the driving chip in the middle of the display panel, the reduction of The distance between the light-emitting devices such as Mini-LED in the first display area and the second display area and the driving chip is determined, so that the length of the first data line in the first display area and the length of the second data line in the second display area It is more uniform, avoiding the problem of uneven brightness and darkness of the display device due to the large difference in length of different data lines such as the first data line and the second data line.
  • FIG. 1 is a schematic structural diagram of one side of a display device provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of another side of a display device provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of the connection relationship of each functional part in the display device provided by the embodiment of the present application.
  • FIG. 4 is a schematic diagram of a comparison between a driving period and a conventional driving period in a driving method of a display device provided by an embodiment of the present application.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be a mechanical connection, an electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • installed should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be a mechanical connection, an electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • the present application proposes a display device based on the above technical problems, and the specific solution is as follows:
  • the display device includes:
  • a display panel 100 the display panel 100 at least includes a first display area 101 and a second display area 102 arranged in parallel along a first direction 103, the first display area 101 is provided with a first driving circuit 10, the A second driving circuit 20 is provided in the two display areas 102; and
  • the driving chip 200 is connected to the first driving circuit 10 and the second driving circuit 20 respectively, and the driving chip 200 drives the first display area 101 and the second display area 102 to display;
  • the driving chip 200 is disposed in the middle of the display panel 100 , the first driving circuit 10 includes a plurality of first data lines 11 parallel to the first direction 103 , and the second driving circuit 20 includes A plurality of second data lines 21 parallel to the first direction 103 .
  • the display panel 100 is arranged to include at least the first display area 101 and the second display area 102 arranged in parallel along the first direction 103, and the driving chip 200 is arranged in the In the middle of the display panel 100 , the distance between the light-emitting devices such as Mini-LED in the first display area 101 and the second display area 102 and the driving chip 200 is reduced, so that the first data line 11 is located in the first display area 101 And the length of the second data line 21 in the second display area 102 is more uniform, avoiding the problem of uneven brightness and darkness of the display device due to the large difference in length of different data lines such as the first data line 11 and the second data line 21; Specifically, in the first direction 103 , the distances from the driver chip 200 to both ends of the display panel 100 are equal, and in the direction perpendicular to the first direction 103 , the distance from the driver chip 200 to the display panel 100 is equal.
  • the impedance of the first data wire 11 or the second data wire 21 is higher than that of the existing data traces.
  • the impedance of the trace structure is reduced by about one-half.
  • the display panel 100 may include a substrate, and the first driving circuit 10 and the second driving circuit 20 may also include a plurality of Mini-LEDs. Specifically, the driving chip 200 and the Mini-LEDs are respectively disposed on both sides of the substrate, and the driving chip 200 is located in the middle of the display panel 100 .
  • the display device further includes a conduction switching unit, the conduction switching unit is respectively connected with the driving chip 200 , the first driving circuit 10 and the second driving The circuit 20 is connected, and the driving chip 200 controls the working state of the conduction switching unit to switch the on-off state with the first driving circuit 10 and the second driving circuit 20;
  • the on-off states of the driver chip 200 and the first driver circuit 10 and the second driver circuit 20 include:
  • the first state the driver chip 200 is connected to the first driver circuit 10, and the driver chip 200 is disconnected from the second driver circuit 20;
  • the second state the driving chip 200 and the second driving circuit 20 are turned on, and the driving chip 200 and the first driving circuit 10 are disconnected.
  • the conduction switching unit can adjust the on-off state of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 according to the control signal of the driving chip 200.
  • the driving chip 200 drives the first driving circuit 10
  • the driving chip 200 can control the on-off state with the first driving circuit 10 and the second driving circuit 20 to switch to the first state , that is, the driving chip 200 is connected to the first driving circuit 10 , and the driving chip 200 is disconnected from the second driving circuit 20
  • the driving chip 200 drives the second driving circuit 20
  • the driving chip 200 can control the on-off state with the first driving circuit 10 and the second driving circuit 20 to switch to the second state, that is, the driving chip 200 and the second driving circuit 20 is turned on, and the driver chip 200 is disconnected from the first driver circuit 10
  • the direction of the output voltage of the driver chip 200 can be freely switched through the setting of the conduction switching unit, and when the first driver needs to be driven
  • the circuit 10 is used, the first driving circuit 10 is connected and the second driving circuit 20 is disconnected.
  • the conduction switching unit includes a selection switch 210 , and the driving chip 200 is respectively connected to the input terminal 211 and the control terminal 212 of the selection switch 210 .
  • the selection switch 210 The selection output terminal 213 of the switch can be selectively connected to the first drive circuit 10 and the second drive circuit 20; it can be understood that the conduction switching unit is similar to a controllable single-pole double-throw switch, this embodiment , the selection switch 210 controls the connection state between the input terminal 211 of the selection switch 210 and the two selection output terminals 213 of the selection switch 210 according to the control signal sent by the driver chip 200 received by the control terminal 212 , in order to achieve the purpose of switching the on-off state of the driver chip 200 and the first driver circuit 10 and the second driver circuit 20 , specifically, the on-off switching unit may also include other switches such as linkage The structure is used to realize the switching effect between the first state and the second state, which will not be repeated here.
  • the first driving circuit 10 and the second driving circuit 20 both include a plurality of scan lines perpendicular to the first direction 103 ;
  • the on-off states of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 are switched between the first state and the second state, and each switching is performed once In the first state or the second state, the driving chip 200 outputs a driving signal to one of the scan lines in the first display area 101 or one of the scan lines in the second display area 102 , wherein the driving chip 200 outputs driving signals to different scanning lines each time.
  • the driving chip 200 when the driving chip 200 outputs driving to one of the scan lines in the first display area 101 and one of the scan lines in the second display area 102 in turn signal, during this process, the on-off state of the driver chip 200 and the first driver circuit 10 and the second driver circuit 20 is switched between the first state and the second state.
  • the driving chip 200 can respond to any one of the strips in the first display area 101 .
  • the scan line outputs a drive signal.
  • the drive chip 200 When the on-off state of the drive chip 200 and the first drive circuit 10 and the second drive circuit 20 is switched to the second state, the drive chip 200 responds to the One of the scan lines in the second display area 102 outputs a driving signal. In the current driving cycle, the driving chip 200 outputs a driving signal to a different scan line each time until all the scan lines are After being scanned, the next drive cycle is entered.
  • the first driving circuit 10 and the second driving circuit 20 include a total of 2k scan lines, and the first driving circuit 10 includes a scanning line located in the first display area.
  • the scanning direction of the first display area 101 is the same or opposite to the scanning direction of the second display area 102 .
  • the on-off state of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 is switched between the first state and the second state, and every time When the on-off state of the driving chip 200, the first driving circuit 10 and the second driving circuit 20 is switched to the first state, the scanning direction of the first display area 101 may be the same as that of the first display area 101.
  • the direction 103 is the same, or it can be opposite to the first direction 103.
  • the scanning direction of the second display area 102 may be the same as the first direction 103 , or may be opposite to the first direction 103 , which will not be repeated here.
  • the scanning direction of the first display area 101 is the same as the scanning direction of the second display area 102 including:
  • the scan direction of the first display area 101 is the 1st to kth scan lines, and the scan direction of the second display area 102 is the k+1 to 2kth scan lines; or
  • the scanning direction of the first display area 101 is the kth to the 1st scan line
  • the scan direction of the second display area 102 is the 2kth to the k+1th scan line.
  • the scanning direction of the first display area 101 is opposite to the scanning direction of the second display area 102 including:
  • the scan direction of the first display area 101 is the 1st to kth scan lines, and the scan direction of the second display area 102 is the 2kth to k+1th scan lines; or
  • the scanning directions of the first display area 101 are the kth to 1st scan lines, and the scan directions of the second display area 102 are the k+1th to 2kth scan lines.
  • the driving chip 200 when the driving chip 200 outputs driving to one of the scan lines in the first display area 101 and one of the scan lines in the second display area 102 in turn signal, during this process, the on-off state of the driver chip 200 and the first driver circuit 10 and the second driver circuit 20 is switched between the first state and the second state.
  • the driving chip 200 can respond to any one of the strips in the first display area 101 .
  • the scan line outputs a drive signal.
  • the drive chip 200 When the on-off state of the drive chip 200 and the first drive circuit 10 and the second drive circuit 20 is switched to the second state, the drive chip 200 responds to the One of the scan lines in the second display area 102 outputs a driving signal. In the current driving cycle, the driving chip 200 outputs a driving signal to a different scan line each time until all the scan lines are After being scanned, the next drive cycle is entered.
  • one scan line far from the driving chip 200 receives a driving signal with a scan time longer than that of the other scan line close to the driving chip 200 .
  • the scan time for receiving the driving signal it can be understood that, in the embodiment of the present application, the driving chip 200 is disposed in the middle of the display panel 100, so that the first data line 11 located in the first display area 101 and the second data line 11 located in the second display area 101
  • the length of the second data lines 21 in the display area 102 is more uniform, which avoids the problem of uneven brightness and darkness of the display device, although the distance between the first data lines 11 and/or the second data lines 21 is reduced. length and impedance difference, but the length and impedance difference between each of the first data lines 11 and/or each of the second data lines 21 still exist, in order to further improve the display uniformity of the display device,
  • the present application also provides a method for driving a display device, please refer to FIGS. 1 to 3 .
  • the display device includes:
  • a display panel 100 the display panel 100 at least includes a first display area 101 and a second display area 102 arranged in parallel along a first direction 103, the first display area 101 is provided with a first driving circuit 10, the The second display area 102 is provided with a second driving circuit 20;
  • the driving chip 200 is connected to the first driving circuit 10 and the second driving circuit 20 respectively, and the driving chip 200 drives the first display area 101 and the second display area 102 to display;
  • the driving chip 200 is disposed in the middle of the display panel 100 , the first driving circuit 10 includes a plurality of first data lines 11 parallel to the first direction 103 , and the second driving circuit 20 includes a plurality of second data lines 21 parallel to the first direction 103, the first driving circuit 10 and the second driving circuit 20 both include a plurality of scanning lines perpendicular to the first direction 103;
  • the driving method of the display device includes the following steps:
  • the on-off states of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 are switched between the first state and the second state, and each switching Once in the first state or the second state, the driving chip 200 outputs driving to one of the scan lines in the first display area 101 or one of the scan lines in the second display area 102 signal, the driving chip 200 outputs the driving signal to different scan lines each time;
  • the first state is: the driving chip 200 is connected to the first driving circuit 10, and the driving chip 200 is disconnected from the second driving circuit 20;
  • the second state is: the driving chip 200 and the second driving circuit 20 are turned on, and the driving chip 200 is disconnected from the first driving circuit 10 .
  • the driving chip 200 alternately scans one of the scan lines in the first display area 101 and one of the scan lines in the second display area 102.
  • the scan line outputs a drive signal.
  • the on-off state of the drive chip 200 and the first drive circuit 10 and the second drive circuit 20 is between the first state and the second state.
  • the driving chip 200 will not respond to the first display area.
  • One of the scan lines in 101 outputs a drive signal, and when the on-off state of the drive chip 200 and the first drive circuit 10 and the second drive circuit 20 is switched to the second state, the drive The chip 200 outputs a drive signal to one of the scan lines in the second display area 102 .
  • the drive chip 200 In the current drive period T1 , the drive chip 200 outputs a drive signal to a different scan line each time until After all the scan lines are scanned, the next driving cycle T1 is entered; for details, please refer to FIG.
  • the on-switching unit can adjust the driving chip 200, the first driving circuit 10 and the second driving chip 200 according to the control signal of the driving chip 200
  • the on-off state of the circuit 20 obviously, when the driver chip 200 drives the first driver circuit 10, the driver chip 200 can control the on-off state of the first driver circuit 10 and the second driver circuit 20
  • the off state is switched to the first state, that is, the driver chip 200 and the first driver circuit 10 are turned on, and the driver chip 200 and the second driver circuit 20 are disconnected; when the driver chip 200 is disconnected from the second driver circuit 20
  • the driving chip 200 can control the on-off state with the first driving circuit 10 and the second driving circuit 20 to switch to the second state, that is, the driving chip 200 is connected to the second driving circuit 20, and the driving chip 200 is disconnected from the first driving circuit 10; the direction of the output voltage of the driving chip 200 can be freely switched through the setting of the conduction switching unit ,
  • each of the driving periods T1 includes a normal driving period T2 and a normal blank period T3, and the interval time between two adjacent driving periods T1 is zero;
  • the normal driving period T2 is divided into a plurality of normal driving sub-sections
  • the normal blank period T3 is divided into a plurality of normal blank sub-sections.
  • the scan time of the driving signal includes at least one of the regular driving sub-sections and one of the regular blank sub-sections.
  • a conventional blank period T3 is set between two adjacent conventional driving periods T2, that is, after each scan line of the conventional driving period T2 is scanned, there will be a normal blank period T3.
  • the drive period T1 includes a regular drive period T2 and a regular blank period T3, that is, the drive period T1 is compared with the regular drive period T1.
  • the time of the period T2 is longer by the conventional blank period T3, which increases the overall scanning time.
  • the number of the scanning lines may be 2k
  • the conventional blank period T3 may be correspondingly divided into 2k
  • the conventional blank subsections are respectively added to the scan time of each scan line, which increases the scan time of each scan line and achieves a better charging effect.
  • the display panel 100 by setting the display panel 100 to at least include the first display area 101 and the second display area 102 arranged in parallel along the first direction 103 , and setting the driving chip 200 in the middle of the display panel 100 , reducing the The distance between the light-emitting devices such as Mini-LED in the first display area 101 and the second display area 102 and the driving chip 200 is determined, so that the first data line 11 located in the first display area 101 and the first data line 11 located in the second display area 102
  • the lengths of the second data lines 21 are more uniform, so as to avoid the problem of uneven brightness and darkness of the display device due to large differences in lengths of different data lines such as the first data lines 11 and the second data lines 21 .

Abstract

The present application provides a display device and a driving method therefor. The display device comprises a display panel and a driving chip; the display panel at least comprises a first display area and a second display area which are arranged side by side in a first direction; a first driving circuit is provided in the first display area; a second driving circuit is provided in the second display area; the driving chip is provided at the middle of the display panel.

Description

显示装置及其驱动方法Display device and driving method thereof 技术领域technical field
本申请涉及显示领域，特别涉及一种显示装置及其驱动方法。The present application relates to the field of display, and in particular, to a display device and a driving method thereof.
背景技术Background technique
近年来，液晶显示器(LCD，Liquid Crystal Display)得到了广泛的应用，例如电视或个人电脑。然而，由于液晶单元(liquid crystal cell)的固有特性，LCD的反应速度较低，因此，为了增加反应速度，过驱动方法被应用在LCD上。迷你发光二极管(Mini-LED)为芯片尺寸在200微米以下的产品。市场上将Mini-LED用于LCD显示背光光源，因其可实现超薄和多分区功能，同时又采用的是小尺寸芯片，能够在显示效果上媲美有机发光二极管显示器(OLED，Organic Light Emitting Diode)产品，且在材料成本上又能够较OLED更有竞争优势而被提出使用。In recent years, liquid crystal displays (LCD, Liquid Crystal Display) has been widely used, such as TV or personal computer. However, due to the liquid crystal cell (liquid crystal The inherent characteristics of the cell), the response speed of the LCD is low, therefore, in order to increase the response speed, the overdrive method is applied to the LCD. Mini light-emitting diodes (Mini-LEDs) are products with a chip size below 200 microns. Mini-LED is used in the market for LCD display backlight, because it can achieve ultra-thin and multi-partition functions, and at the same time, it uses a small-sized chip, which can be comparable to the organic light-emitting diode display (OLED, Organic Light Emitting Diode display) in display effect. ) product, and it can be more competitive than OLED in terms of material cost and is proposed for use.
目前，市场上将Mini-LED用于LCD显示背光光源，然而，由于控制集成电路（IC，integrated circuit）位于LCD的一端，各Mini-LED与控制IC的距离不同，各Mini-LED与所述控制IC连接的数据走线的长度差异较大而导致阻抗差异较大，使得各所述数据走线在所述数据走线延伸的垂直方向上存在较大压差，从而导致显示装置的亮暗不均。At present, Mini-LED is used in the market for LCD display backlight source, however, due to the control integrated circuit (IC, integrated circuit) is located at one end of the LCD, the distances between each Mini-LED and the control IC are different, and the lengths of the data traces connected between the Mini-LEDs and the control IC are quite different, resulting in a large difference in impedance, making the data traces There is a large voltage difference between the lines in the vertical direction in which the data lines extend, resulting in uneven brightness and darkness of the display device.
技术问题technical problem
本申请提供一种显示装置及其驱动方法，以解决现有显示装置中不同数据走线长度和阻抗差异较大，导致显示装置亮暗不均的技术问题。The present application provides a display device and a driving method thereof, so as to solve the technical problem that the lengths and impedances of different data traces in the existing display device are greatly different, resulting in uneven brightness and darkness of the display device.
技术解决方案technical solutions
为解决上述问题，本申请提供的技术方案如下：In order to solve the above-mentioned problems, the technical solutions provided by this application are as follows:
本申请提供了一种显示装置，包括：The present application provides a display device, comprising:
显示面板，所述显示面板至少包括沿第一方向并列设置的第一显示区及第二显示区，所述第一显示区内设有第一驱动电路，所述第二显示区内设有第二驱动电路；及A display panel, the display panel at least includes a first display area and a second display area arranged in parallel along a first direction, the first display area is provided with a first driving circuit, and the second display area is provided with a first display area two drive circuits; and
驱动芯片，分别与所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片驱动所述第一显示区及第二显示区显示；a driving chip, which is respectively connected to the first driving circuit and the second driving circuit, and the driving chip drives the display of the first display area and the second display area;
其中，所述驱动芯片设置于所述显示面板的中部，所述第一驱动电路包括多条与所述第一方向平行的第一数据线，所述第二驱动电路包括多条与所述第一方向平行的第二数据线。The driving chip is disposed in the middle of the display panel, the first driving circuit includes a plurality of first data lines parallel to the first direction, and the second driving circuit includes a plurality of first data lines parallel to the first direction. The second data lines are parallel in one direction.
在本申请实施例所提供的显示装置中，还包括一导通切换单元，所述导通切换单元分别与所述驱动芯片、所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片控制所述导通切换单元的工作状态以切换与所述第一驱动电路和所述第二驱动电路的通断状态；In the display device provided in the embodiment of the present application, a conduction switching unit is further included, and the conduction switching unit is respectively connected to the driving chip, the first driving circuit and the second driving circuit, and the The driving chip controls the working state of the conduction switching unit to switch the on-off state with the first driving circuit and the second driving circuit;
所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态包括：The on-off state of the driver chip and the first driver circuit and the second driver circuit includes:
第一状态：所述驱动芯片与所述第一驱动电路导通，且所述驱动芯片与所述第二驱动电路断开；和a first state: the driver chip is turned on with the first driver circuit, and the driver chip is disconnected from the second driver circuit; and
第二状态：所述驱动芯片与所述第二驱动电路导通，且所述驱动芯片与所述第一驱动电路断开。The second state: the driving chip and the second driving circuit are turned on, and the driving chip and the first driving circuit are disconnected.
在本申请实施例所提供的显示装置中，所述导通切换单元包括一选择开关，所述驱动芯片分别与所述选择开关的输入端和控制端连接，所述选择开关的选择输出端选择性的与所述第一驱动电路和所述第二驱动电路连接。In the display device provided by the embodiment of the present application, the conduction switching unit includes a selection switch, the driving chip is respectively connected to the input terminal and the control terminal of the selection switch, and the selection output terminal of the selection switch selects connected to the first drive circuit and the second drive circuit.
在本申请实施例所提供的显示装置中，所述第一驱动电路和所述第二驱动电路均包括与所述第一方向垂直的多条扫描线；In the display device provided by the embodiment of the present application, both the first driving circuit and the second driving circuit include a plurality of scan lines perpendicular to the first direction;
在一个驱动周期内，所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态在所述第一状态与所述第二状态之间切换，每切换一次所述第一状态或所述第二状态，所述驱动芯片对所述第一显示区内的一条所述扫描线或所述第二显示区内的一条所述扫描线输出驱动信号，其中，所述驱动芯片每次对不同的所述扫描线输出驱动信号。In one driving cycle, the on-off state of the driving chip, the first driving circuit and the second driving circuit is switched between the first state and the second state, and each time the first state is switched In a state or the second state, the driving chip outputs a driving signal to one of the scan lines in the first display area or one of the scan lines in the second display area, wherein the drive The chip outputs driving signals to different scan lines each time.
在本申请实施例所提供的显示装置中，所述第一驱动电路和所述第二驱动电路共包括2k条扫描线，所述第一驱动电路包括位于所述第一显示区内的第1至第k条所述扫描线，所述第二驱动电路包括位于所述第二显示区内的第k+1至2k条所述扫描线，其中，k为正整数；所述第一显示区的扫描方向与所述第二显示区的扫描方向相同或相反。In the display device provided by the embodiment of the present application, the first driving circuit and the second driving circuit include a total of 2k scan lines, and the first driving circuit includes a first driving circuit located in the first display area. to the kth scan line, the second driving circuit includes k+1 to 2kth scan lines located in the second display area, where k is a positive integer; the first display area The scanning direction is the same as or opposite to the scanning direction of the second display area.
在本申请实施例所提供的显示装置中，所述第一显示区的扫描方向与所述第二显示区的扫描方向相同包括：In the display device provided by the embodiment of the present application, the scanning direction of the first display area is the same as the scanning direction of the second display area, including:
所述第一显示区的扫描方向为第1至第k条所述扫描线，所述第二显示区的扫描方向为第k+1至第2k条所述扫描线；或The scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the k+1th to 2kth scan lines; or
所述第一显示区的扫描方向为第k至第1条所述扫描线，所述第二显示区的扫描方向为第2k至第k+1条所述扫描线。The scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the 2kth to k+1th scan lines.
在本申请实施例所提供的显示装置中，所述第一显示区的扫描方向与所述第二显示区的扫描方向相反包括：In the display device provided by the embodiment of the present application, the scanning direction of the first display area is opposite to the scanning direction of the second display area including:
所述第一显示区的扫描方向为第1至第k条所述扫描线，所述第二显示区的扫描方向为第2k至第k+1条所述扫描线；或The scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the 2kth to k+1th scan lines; or
所述第一显示区的扫描方向为第k至第1条所述扫描线，所述第二显示区的扫描方向为第k+1至第2k条所述扫描线。The scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the k+1st to 2kth scan lines.
在本申请实施例所提供的显示装置中，相邻两所述扫描线中，其中一远离所述驱动芯片的所述扫描线所接收驱动信号的扫描时间大于另一靠近所述驱动芯片的所述扫描线所接收驱动信号的扫描时间。In the display device provided by the embodiment of the present application, among two adjacent scan lines, the scan time of the driving signal received by one of the scan lines far away from the driving chip is longer than that of the other scan lines close to the driving chip. The scan time of the drive signal received by the scan line.
本申请还提供一种显示装置，其包括：The present application also provides a display device, comprising:
显示面板，所述显示面板至少包括沿第一方向并列设置的第一显示区及第二显示区，所述第一显示区内设有第一驱动电路，所述第二显示区内设有第二驱动电路；及A display panel, the display panel at least includes a first display area and a second display area arranged in parallel along a first direction, the first display area is provided with a first driving circuit, and the second display area is provided with a first display area two drive circuits; and
驱动芯片，分别与所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片驱动所述第一显示区及第二显示区显示；a driving chip, which is respectively connected to the first driving circuit and the second driving circuit, and the driving chip drives the display of the first display area and the second display area;
其中，所述驱动芯片设置于所述显示面板的中部，所述第一驱动电路包括多条与所述第一方向平行的第一数据线，所述第二驱动电路包括多条与所述第一方向平行的第二数据线；The driving chip is disposed in the middle of the display panel, the first driving circuit includes a plurality of first data lines parallel to the first direction, and the second driving circuit includes a plurality of first data lines parallel to the first direction. a second data line parallel in one direction;
所述显示装置还包括一导通切换单元，所述导通切换单元分别与所述驱动芯片、所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片控制所述导通切换单元的工作状态以切换与所述第一驱动电路和所述第二驱动电路的通断状态；The display device further includes a conduction switching unit, the conduction switching unit is respectively connected with the driving chip, the first driving circuit and the second driving circuit, and the driving chip controls the conduction switching the working state of the unit to switch the on-off state with the first drive circuit and the second drive circuit;
所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态包括：The on-off state of the driver chip and the first driver circuit and the second driver circuit includes:
第一状态：所述驱动芯片与所述第一驱动电路导通，且所述驱动芯片与所述第二驱动电路断开；和a first state: the driver chip is turned on with the first driver circuit, and the driver chip is disconnected from the second driver circuit; and
第二状态：所述驱动芯片与所述第二驱动电路导通，且所述驱动芯片与所述第一驱动电路断开；The second state: the driving chip is connected to the second driving circuit, and the driving chip is disconnected from the first driving circuit;
所述导通切换单元包括一选择开关，所述驱动芯片分别与所述选择开关的输入端和控制端连接，所述选择开关的选择输出端选择性的与所述第一驱动电路和所述第二驱动电路连接；The conduction switching unit includes a selection switch, the driving chip is respectively connected with the input terminal and the control terminal of the selection switch, and the selection output terminal of the selection switch is selectively connected with the first driving circuit and the control terminal. the second drive circuit is connected;
所述第一驱动电路和所述第二驱动电路均包括与所述第一方向垂直的多条扫描线；Both the first driving circuit and the second driving circuit include a plurality of scan lines perpendicular to the first direction;
在一个驱动周期内，所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态在所述第一状态与所述第二状态之间切换，每切换一次所述第一状态或所述第二状态，所述驱动芯片对所述第一显示区内的一条所述扫描线或所述第二显示区内的一条所述扫描线输出驱动信号，其中，所述驱动芯片每次对不同的所述扫描线输出驱动信号。In one driving cycle, the on-off state of the driving chip, the first driving circuit and the second driving circuit is switched between the first state and the second state, and each time the first state is switched In a state or the second state, the driving chip outputs a driving signal to one of the scan lines in the first display area or one of the scan lines in the second display area, wherein the drive The chip outputs driving signals to different scan lines each time.
在本申请实施例所提供的显示装置中，所述第一驱动电路和所述第二驱动电路共包括2k条扫描线，所述第一驱动电路包括位于所述第一显示区内的第1至第k条所述扫描线，所述第二驱动电路包括位于所述第二显示区内的第k+1至2k条所述扫描线，其中，k为正整数；所述第一显示区的扫描方向与所述第二显示区的扫描方向相同或相反。In the display device provided by the embodiment of the present application, the first driving circuit and the second driving circuit include a total of 2k scan lines, and the first driving circuit includes a first driving circuit located in the first display area. to the kth scan line, the second driving circuit includes k+1 to 2kth scan lines located in the second display area, where k is a positive integer; the first display area The scanning direction is the same as or opposite to the scanning direction of the second display area.
在本申请实施例所提供的显示装置中，所述第一显示区的扫描方向与所述第二显示区的扫描方向相同包括：In the display device provided by the embodiment of the present application, the scanning direction of the first display area is the same as the scanning direction of the second display area, including:
所述第一显示区的扫描方向为第1至第k条所述扫描线，所述第二显示区的扫描方向为第k+1至第2k条所述扫描线；或The scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the k+1th to 2kth scan lines; or
所述第一显示区的扫描方向为第k至第1条所述扫描线，所述第二显示区的扫描方向为第2k至第k+1条所述扫描线。The scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the 2kth to k+1th scan lines.
在本申请实施例所提供的显示装置中，所述第一显示区的扫描方向与所述第二显示区的扫描方向相反包括：In the display device provided by the embodiment of the present application, the scanning direction of the first display area is opposite to the scanning direction of the second display area including:
所述第一显示区的扫描方向为第1至第k条所述扫描线，所述第二显示区的扫描方向为第2k至第k+1条所述扫描线；或The scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the 2kth to k+1th scan lines; or
所述第一显示区的扫描方向为第k至第1条所述扫描线，所述第二显示区的扫描方向为第k+1至第2k条所述扫描线。The scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the k+1st to 2kth scan lines.
在本申请实施例所提供的显示装置中，相邻两所述扫描线中，其中一远离所述驱动芯片的所述扫描线所接收驱动信号的扫描时间大于另一靠近所述驱动芯片的所述扫描线所接收驱动信号的扫描时间。本申请还提供一种显示装置的驱动方法，所述显示装置包括：In the display device provided by the embodiment of the present application, among two adjacent scan lines, the scan time of the driving signal received by one of the scan lines far away from the driving chip is longer than that of the other scan lines close to the driving chip. The scan time of the drive signal received by the scan line. The present application also provides a method for driving a display device, the display device comprising:
显示面板，所述显示面板至少包括沿第一方向并列设置的第一显示区及第二显示区，所述第一显示区内设有第一驱动电路，所述第二显示区内设有第二驱动电路；A display panel, the display panel at least includes a first display area and a second display area arranged in parallel along a first direction, the first display area is provided with a first driving circuit, and the second display area is provided with a first display area Two drive circuits;
驱动芯片，分别与所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片驱动所述第一显示区及第二显示区显示；a driving chip, which is respectively connected to the first driving circuit and the second driving circuit, and the driving chip drives the display of the first display area and the second display area;
其中，所述驱动芯片设置于所述显示面板的中部，所述第一驱动电路包括多条与所述第一方向平行的第一数据线，所述第二驱动电路包括多条与所述第一方向平行的第二数据线，所述第一驱动电路和所述第二驱动电路均包括与所述第一方向垂直的多条扫描线；The driving chip is disposed in the middle of the display panel, the first driving circuit includes a plurality of first data lines parallel to the first direction, and the second driving circuit includes a plurality of first data lines parallel to the first direction. A second data line parallel to one direction, the first drive circuit and the second drive circuit each include a plurality of scan lines perpendicular to the first direction;
所述显示装置的驱动方法包括以下步骤：The driving method of the display device includes the following steps:
在一个驱动周期内，所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态在所述第一状态与所述第二状态之间切换，每切换一次所述第一状态或所述第二状态，所述驱动芯片对所述第一显示区内的一条所述扫描线或所述第二显示区内的一条所述扫描线输出驱动信号，所述驱动芯片每次对不同的所述扫描线输出驱动信号；In one driving cycle, the on-off state of the driving chip, the first driving circuit and the second driving circuit is switched between the first state and the second state, and each time the first state is switched In a state or the second state, the driving chip outputs a driving signal to one of the scan lines in the first display area or one of the scan lines in the second display area, and each time the driver chip outputting driving signals to different said scan lines for the second time;
其中，所述第一状态为：所述驱动芯片与所述第一驱动电路导通，且所述驱动芯片与所述第二驱动电路断开；Wherein, the first state is: the driving chip and the first driving circuit are turned on, and the driving chip and the second driving circuit are disconnected;
所述第二状态为：所述驱动芯片与所述第二驱动电路导通，且所述驱动芯片与所述第一驱动电路断开。The second state is: the driving chip and the second driving circuit are turned on, and the driving chip and the first driving circuit are disconnected.
在本申请实施例所提供显示装置的驱动方法中，每一所述驱动周期均包括一常规驱动周期和一常规空白周期，相邻两所述驱动周期之间的间隔时间为零；In the driving method of the display device provided by the embodiment of the present application, each of the driving periods includes a normal driving period and a normal blank period, and the interval time between two adjacent driving periods is zero;
根据所述扫描线的数量，将所述常规驱动周期划分为多个常规驱动子区段，将所述常规空白周期划分为多个常规空白子区段，每一所述扫描线所接收驱动信号的扫描时间至少包括一所述常规驱动子区段和一所述常规空白子区段。According to the number of the scan lines, the normal driving period is divided into a plurality of normal driving sub-sections, the normal blank period is divided into a plurality of normal blank sub-sections, and the driving signal received by each of the scanning lines The scan time includes at least one of the regular drive subsections and one of the regular blank subsections.
有益效果beneficial effect
本申请的有益效果：本申请通过将所述显示面板设置为至少包括沿第一方向并列设置的第一显示区及第二显示区，并将驱动芯片设置于所述显示面板的中部，减小了第一显示区和第二显示区中诸如Mini-LED等发光器件到所述驱动芯片的距离，使得位于第一显示区内第一数据线和位于第二显示区内第二数据线的长度更加均匀，避免诸如第一数据线和第二数据线等不同数据线由于长度差异较大导致显示装置亮暗不均的问题。Beneficial effects of the present application: In the present application, by setting the display panel to at least include a first display area and a second display area arranged side by side along the first direction, and arranging the driving chip in the middle of the display panel, the reduction of The distance between the light-emitting devices such as Mini-LED in the first display area and the second display area and the driving chip is determined, so that the length of the first data line in the first display area and the length of the second data line in the second display area It is more uniform, avoiding the problem of uneven brightness and darkness of the display device due to the large difference in length of different data lines such as the first data line and the second data line.
附图说明Description of drawings
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that are used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.
图1为本申请实施例所提供显示装置一侧的结构示意图；FIG. 1 is a schematic structural diagram of one side of a display device provided by an embodiment of the present application;
图2为本申请实施例所提供显示装置另一侧的结构示意图；FIG. 2 is a schematic structural diagram of another side of a display device provided by an embodiment of the present application;
图3为本申请实施例所提供显示装置中各功能部分的连接关系示意图；FIG. 3 is a schematic diagram of the connection relationship of each functional part in the display device provided by the embodiment of the present application;
图4为本申请实施例所提供显示装置的驱动方法中驱动周期与现有驱动周期的对比示意图。FIG. 4 is a schematic diagram of a comparison between a driving period and a conventional driving period in a driving method of a display device provided by an embodiment of the present application.
本发明的实施方式Embodiments of the present invention
以下各实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。在图中，结构相似的单元是用以相同标号表示。The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [up], [down], [front], [rear], [left], [right], [inner], [outer], [side], etc., are only for reference Additional schema orientation. Therefore, the directional terms used are for describing and understanding the present invention, not for limiting the present invention. In the figures, structurally similar elements are denoted by the same reference numerals.
在本申请的描述中，需要理解的是，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。In the description of the present application, it should be understood that the terms "first" and "second" are only used for description purposes, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be a mechanical connection, an electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.
现结合具体实施例对本申请的技术方案进行描述。The technical solutions of the present application will now be described with reference to specific embodiments.
在Mini-LED广泛应用于LCD显示背光光源的过程中，由于控制IC位于LCD的一端，各Mini-LED与控制IC的距离不同，各Mini-LED与所述控制IC连接的数据走线的长度差异较大而导致阻抗差异较大，使得各所述数据走线在所述数据走线延伸的垂直方向上存在较大压差，从而导致显示装置的亮暗不均。因此，本申请基于上述技术问题提出了一种显示装置，具体方案如下：In the process that Mini-LED is widely used in LCD display backlight source, since the control IC is located at one end of the LCD, the distance between each Mini-LED and the control IC is different, and the length of the data trace connecting each Mini-LED and the control IC is different. The large difference results in a large difference in impedance, so that each of the data lines has a large voltage difference in the vertical direction in which the data lines extend, resulting in uneven brightness and darkness of the display device. Therefore, the present application proposes a display device based on the above technical problems, and the specific solution is as follows:
请参阅图1~3，所述显示装置包括：Please refer to FIGS. 1-3 , the display device includes:
显示面板100，所述显示面板100至少包括沿第一方向103并列设置的第一显示区101及第二显示区102，所述第一显示区101内设有第一驱动电路10，所述第二显示区102内设有第二驱动电路20；及A display panel 100, the display panel 100 at least includes a first display area 101 and a second display area 102 arranged in parallel along a first direction 103, the first display area 101 is provided with a first driving circuit 10, the A second driving circuit 20 is provided in the two display areas 102; and
驱动芯片200，分别与所述第一驱动电路10和所述第二驱动电路20连接，所述驱动芯片200驱动所述第一显示区101及第二显示区102显示；The driving chip 200 is connected to the first driving circuit 10 and the second driving circuit 20 respectively, and the driving chip 200 drives the first display area 101 and the second display area 102 to display;
其中，所述驱动芯片200设置于所述显示面板100的中部，所述第一驱动电路10包括多条与所述第一方向103平行的第一数据线11，所述第二驱动电路20包括多条与所述第一方向103平行的第二数据线21。The driving chip 200 is disposed in the middle of the display panel 100 , the first driving circuit 10 includes a plurality of first data lines 11 parallel to the first direction 103 , and the second driving circuit 20 includes A plurality of second data lines 21 parallel to the first direction 103 .
可以理解的是，本实施例中，通过将所述显示面板100设置为至少包括沿第一方向103并列设置的第一显示区101及第二显示区102，并将驱动芯片200设置于所述显示面板100的中部，减小了第一显示区101和第二显示区102中诸如Mini-LED等发光器件到所述驱动芯片200的距离，使得位于第一显示区101内第一数据线11和位于第二显示区102内第二数据线21的长度更加均匀，避免诸如第一数据线11和第二数据线21等不同数据线由于长度差异较大导致显示装置亮暗不均的问题；具体的，在所述第一方向103上，所述驱动芯片200到所述显示面板100两端的距离相等，在垂直于所述第一方向103的方向上，所述驱动芯片200到所述显示面板100两侧的距离相等，所述第一显示区101和所述第二显示区102的大小相等，所述第一数据线11的数量与所述第二数据线21的数量相等且一一对应，显然，相比于目前将控制IC设置于LCD端部结构中的数据走线的阻抗，本实施例中，所述第一数据线11或所述第二数据线21阻抗比现有数据走线结构的阻抗减小约二分之一。It can be understood that, in this embodiment, the display panel 100 is arranged to include at least the first display area 101 and the second display area 102 arranged in parallel along the first direction 103, and the driving chip 200 is arranged in the In the middle of the display panel 100 , the distance between the light-emitting devices such as Mini-LED in the first display area 101 and the second display area 102 and the driving chip 200 is reduced, so that the first data line 11 is located in the first display area 101 And the length of the second data line 21 in the second display area 102 is more uniform, avoiding the problem of uneven brightness and darkness of the display device due to the large difference in length of different data lines such as the first data line 11 and the second data line 21; Specifically, in the first direction 103 , the distances from the driver chip 200 to both ends of the display panel 100 are equal, and in the direction perpendicular to the first direction 103 , the distance from the driver chip 200 to the display panel 100 is equal. The distances between the two sides of the panel 100 are equal, the size of the first display area 101 and the second display area 102 are equal, and the number of the first data lines 11 and the number of the second data lines 21 are equal to one another. Correspondingly, obviously, compared with the current impedance of the data traces in which the control IC is disposed in the LCD end structure, in this embodiment, the impedance of the first data wire 11 or the second data wire 21 is higher than that of the existing data traces. The impedance of the trace structure is reduced by about one-half.
值得注意的是，所述显示面板100可以包括一基板，所述第一驱动电路10和所述第二驱动电路20还可以包括多个Mini-LED，具体的，所述驱动芯片200和所述Mini-LED分别设置于所述基板的两侧，且所述驱动芯片200位于所述显示面板100的中部。It should be noted that the display panel 100 may include a substrate, and the first driving circuit 10 and the second driving circuit 20 may also include a plurality of Mini-LEDs. Specifically, the driving chip 200 and the Mini-LEDs are respectively disposed on both sides of the substrate, and the driving chip 200 is located in the middle of the display panel 100 .
在一实施例中，请参阅图3，所述显示装置还包括一导通切换单元，所述导通切换单元分别与所述驱动芯片200、所述第一驱动电路10和所述第二驱动电路20连接，所述驱动芯片200控制所述导通切换单元的工作状态以切换与所述第一驱动电路10和所述第二驱动电路20的通断状态；In an embodiment, please refer to FIG. 3 , the display device further includes a conduction switching unit, the conduction switching unit is respectively connected with the driving chip 200 , the first driving circuit 10 and the second driving The circuit 20 is connected, and the driving chip 200 controls the working state of the conduction switching unit to switch the on-off state with the first driving circuit 10 and the second driving circuit 20;
所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态包括：The on-off states of the driver chip 200 and the first driver circuit 10 and the second driver circuit 20 include:
第一状态：所述驱动芯片200与所述第一驱动电路10导通，且所述驱动芯片200与所述第二驱动电路20断开；和The first state: the driver chip 200 is connected to the first driver circuit 10, and the driver chip 200 is disconnected from the second driver circuit 20; and
第二状态：所述驱动芯片200与所述第二驱动电路20导通，且所述驱动芯片200与所述第一驱动电路10断开。The second state: the driving chip 200 and the second driving circuit 20 are turned on, and the driving chip 200 and the first driving circuit 10 are disconnected.
可以理解的是，所述导通切换单元可根据所述驱动芯片200的控制信号调整所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态，显然，当所述驱动芯片200驱动所述第一驱动电路10时，所述驱动芯片200可控制与所述第一驱动电路10和所述第二驱动电路20的通断状态切换为所述第一状态，即所述驱动芯片200与所述第一驱动电路10导通，且所述驱动芯片200与所述第二驱动电路20断开；当所述驱动芯片200驱动所述第二驱动电路20时，所述驱动芯片200可控制与所述第一驱动电路10和所述第二驱动电路20的通断状态切换为所述第二状态，即所述驱动芯片200与所述第二驱动电路20导通，且所述驱动芯片200与所述第一驱动电路10断开；通过所述导通切换单元的设置可以自由切换所述驱动芯片200输出电压的方向，当需要驱动所述第一驱动电路10时，则连通所述第一驱动电路10，同时断开所述第二驱动电路20，当需要驱动所述第而驱动电路时，则连通所述第二驱动电路20，同时断开所述第一驱动电路10，可以很好的减少不必要的漏电流，也可以节省显示装置的功耗。It can be understood that the conduction switching unit can adjust the on-off state of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 according to the control signal of the driving chip 200. Obviously, When the driving chip 200 drives the first driving circuit 10, the driving chip 200 can control the on-off state with the first driving circuit 10 and the second driving circuit 20 to switch to the first state , that is, the driving chip 200 is connected to the first driving circuit 10 , and the driving chip 200 is disconnected from the second driving circuit 20 ; when the driving chip 200 drives the second driving circuit 20 , the driving chip 200 can control the on-off state with the first driving circuit 10 and the second driving circuit 20 to switch to the second state, that is, the driving chip 200 and the second driving circuit 20 is turned on, and the driver chip 200 is disconnected from the first driver circuit 10; the direction of the output voltage of the driver chip 200 can be freely switched through the setting of the conduction switching unit, and when the first driver needs to be driven When the circuit 10 is used, the first driving circuit 10 is connected and the second driving circuit 20 is disconnected. When the second driving circuit needs to be driven, the second driving circuit 20 is connected and all the driving circuits are disconnected at the same time. The first driving circuit 10 described above can well reduce unnecessary leakage current and save the power consumption of the display device.
在一实施例中，请参阅图3，所述导通切换单元包括一选择开关210，所述驱动芯片200分别与所述选择开关210的输入端211和控制端212连接，所述选择开关210的选择输出端213可选择性的与所述第一驱动电路10和所述第二驱动电路20连接；可以理解的是，所述导通切换单元类似一可控单刀双掷开关，本实施例中，所述选择开关210根据所述控制端212所接收所述驱动芯片200发出的控制信号，控制所述选择开关210的输入端211与所述选择开关210的两选择输出端213的连通状态，以达到切换所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态的目的，具体的，所述导通切换单元还可以包括其它诸如联动形式的开关结构以实现所述第一状态与所述第二状态的切换效果，在此不再赘述。In one embodiment, please refer to FIG. 3 , the conduction switching unit includes a selection switch 210 , and the driving chip 200 is respectively connected to the input terminal 211 and the control terminal 212 of the selection switch 210 . The selection switch 210 The selection output terminal 213 of the switch can be selectively connected to the first drive circuit 10 and the second drive circuit 20; it can be understood that the conduction switching unit is similar to a controllable single-pole double-throw switch, this embodiment , the selection switch 210 controls the connection state between the input terminal 211 of the selection switch 210 and the two selection output terminals 213 of the selection switch 210 according to the control signal sent by the driver chip 200 received by the control terminal 212 , in order to achieve the purpose of switching the on-off state of the driver chip 200 and the first driver circuit 10 and the second driver circuit 20 , specifically, the on-off switching unit may also include other switches such as linkage The structure is used to realize the switching effect between the first state and the second state, which will not be repeated here.
在一实施例中，请参阅图1~3，所述第一驱动电路10和所述第二驱动电路20均包括与所述第一方向103垂直的多条扫描线；In one embodiment, please refer to FIGS. 1 to 3 , the first driving circuit 10 and the second driving circuit 20 both include a plurality of scan lines perpendicular to the first direction 103 ;
在一个驱动周期内，所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态在所述第一状态与所述第二状态之间切换，每切换一次所述第一状态或所述第二状态，所述驱动芯片200对所述第一显示区101内的一条所述扫描线或所述第二显示区102内的一条所述扫描线输出驱动信号，其中，所述驱动芯片200每次对不同的所述扫描线输出驱动信号。In one driving cycle, the on-off states of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 are switched between the first state and the second state, and each switching is performed once In the first state or the second state, the driving chip 200 outputs a driving signal to one of the scan lines in the first display area 101 or one of the scan lines in the second display area 102 , wherein the driving chip 200 outputs driving signals to different scanning lines each time.
可以理解的是，在一个驱动周期内，当所述驱动芯片200轮流对所述第一显示区101内的一条所述扫描线和所述第二显示区102内的一条所述扫描线输出驱动信号，在此过程中，所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态在所述第一状态与所述第二状态之间切换，当所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态切换至所述第一状态时，所述驱动芯片200对所述第一显示区101内的一条所述扫描线输出驱动信号，当所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态切换至所述第二状态时，所述驱动芯片200对所述第二显示区102内的一条所述扫描线输出驱动信号，在本次所述驱动周期内，所述驱动芯片200每次对不同的所述扫描线输出驱动信号，直至所有所述扫描线均被扫描则进入下一所述驱动周期。It can be understood that, in one driving cycle, when the driving chip 200 outputs driving to one of the scan lines in the first display area 101 and one of the scan lines in the second display area 102 in turn signal, during this process, the on-off state of the driver chip 200 and the first driver circuit 10 and the second driver circuit 20 is switched between the first state and the second state. When the on-off state of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 is switched to the first state, the driving chip 200 can respond to any one of the strips in the first display area 101 . The scan line outputs a drive signal. When the on-off state of the drive chip 200 and the first drive circuit 10 and the second drive circuit 20 is switched to the second state, the drive chip 200 responds to the One of the scan lines in the second display area 102 outputs a driving signal. In the current driving cycle, the driving chip 200 outputs a driving signal to a different scan line each time until all the scan lines are After being scanned, the next drive cycle is entered.
在一实施例中，请参阅图1~3，所述第一驱动电路10和所述第二驱动电路20共包括2k条扫描线，所述第一驱动电路10包括位于所述第一显示区101内的第1至第k条所述扫描线，所述第二驱动电路20包括位于所述第二显示区102内的第k+1至2k条所述扫描线，其中，k为正整数；所述第一显示区101的扫描方向与所述第二显示区102的扫描方向相同或相反。In one embodiment, please refer to FIGS. 1 to 3 , the first driving circuit 10 and the second driving circuit 20 include a total of 2k scan lines, and the first driving circuit 10 includes a scanning line located in the first display area. The 1st to kth scan lines in 101, the second driving circuit 20 includes the k+1 to 2kth scan lines located in the second display area 102, wherein k is a positive integer ; The scanning direction of the first display area 101 is the same or opposite to the scanning direction of the second display area 102 .
可以理解的是，所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态在所述第一状态与所述第二状态之间切换，在每一次所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态切换至所述第一状态时，所述第一显示区101的扫描方向可以是与所述第一方向103相同，也可以是与所述第一方向103相反，显然，在每一次所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态切换至所述第二状态时，所述第二显示区102的扫描方向可以是与所述第一方向103相同，也可以是与所述第一方向103相反，在此不再赘述。It can be understood that the on-off state of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 is switched between the first state and the second state, and every time When the on-off state of the driving chip 200, the first driving circuit 10 and the second driving circuit 20 is switched to the first state, the scanning direction of the first display area 101 may be the same as that of the first display area 101. The direction 103 is the same, or it can be opposite to the first direction 103. Obviously, every time the on-off state of the driver chip 200, the first driver circuit 10 and the second driver circuit 20 is switched to the In the second state, the scanning direction of the second display area 102 may be the same as the first direction 103 , or may be opposite to the first direction 103 , which will not be repeated here.
承上，本实施例中，所述第一显示区101的扫描方向与所述第二显示区102的扫描方向相同包括：Continuing from the above, in this embodiment, the scanning direction of the first display area 101 is the same as the scanning direction of the second display area 102 including:
所述第一显示区101的扫描方向为第1至第k条所述扫描线，所述第二显示区102的扫描方向为第k+1至第2k条所述扫描线；或The scan direction of the first display area 101 is the 1st to kth scan lines, and the scan direction of the second display area 102 is the k+1 to 2kth scan lines; or
所述第一显示区101的扫描方向为第k至第1条所述扫描线，所述第二显示区102的扫描方向为第2k至第k+1条所述扫描线。The scanning direction of the first display area 101 is the kth to the 1st scan line, and the scan direction of the second display area 102 is the 2kth to the k+1th scan line.
承上，本实施例中，所述第一显示区101的扫描方向与所述第二显示区102的扫描方向相反包括：Continuing from the above, in this embodiment, the scanning direction of the first display area 101 is opposite to the scanning direction of the second display area 102 including:
所述第一显示区101的扫描方向为第1至第k条所述扫描线，所述第二显示区102的扫描方向为第2k至第k+1条所述扫描线；或The scan direction of the first display area 101 is the 1st to kth scan lines, and the scan direction of the second display area 102 is the 2kth to k+1th scan lines; or
所述第一显示区101的扫描方向为第k至第1条所述扫描线，所述第二显示区102的扫描方向为第k+1至第2k条所述扫描线。The scanning directions of the first display area 101 are the kth to 1st scan lines, and the scan directions of the second display area 102 are the k+1th to 2kth scan lines.
可以理解的是，在一个驱动周期内，当所述驱动芯片200轮流对所述第一显示区101内的一条所述扫描线和所述第二显示区102内的一条所述扫描线输出驱动信号，在此过程中，所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态在所述第一状态与所述第二状态之间切换，当所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态切换至所述第一状态时，所述驱动芯片200对所述第一显示区101内的一条所述扫描线输出驱动信号，当所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态切换至所述第二状态时，所述驱动芯片200对所述第二显示区102内的一条所述扫描线输出驱动信号，在本次所述驱动周期内，所述驱动芯片200每次对不同的所述扫描线输出驱动信号，直至所有所述扫描线均被扫描则进入下一所述驱动周期。It can be understood that, in one driving cycle, when the driving chip 200 outputs driving to one of the scan lines in the first display area 101 and one of the scan lines in the second display area 102 in turn signal, during this process, the on-off state of the driver chip 200 and the first driver circuit 10 and the second driver circuit 20 is switched between the first state and the second state. When the on-off state of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 is switched to the first state, the driving chip 200 can respond to any one of the strips in the first display area 101 . The scan line outputs a drive signal. When the on-off state of the drive chip 200 and the first drive circuit 10 and the second drive circuit 20 is switched to the second state, the drive chip 200 responds to the One of the scan lines in the second display area 102 outputs a driving signal. In the current driving cycle, the driving chip 200 outputs a driving signal to a different scan line each time until all the scan lines are After being scanned, the next drive cycle is entered.
在一实施例中，相邻两所述扫描线中，其中一远离所述驱动芯片200的所述扫描线所接收驱动信号的扫描时间大于另一靠近所述驱动芯片200的所述扫描线所接收驱动信号的扫描时间；可以理解的是，本申请实施例中，通过将驱动芯片200设置于所述显示面板100的中部，使得位于第一显示区101内第一数据线11和位于第二显示区102内第二数据线21的长度更加均匀，避免了显示装置亮暗不均的问题，虽然减少了各所述第一数据线11和/或各所述第二数据线21之间的长度和阻抗差异，但各所述第一数据线11和/或各所述第二数据线21之间的长度和阻抗差异仍然存在，为进一步提高所述显示装置显示的均匀性，In one embodiment, among two adjacent scan lines, one scan line far from the driving chip 200 receives a driving signal with a scan time longer than that of the other scan line close to the driving chip 200 . The scan time for receiving the driving signal; it can be understood that, in the embodiment of the present application, the driving chip 200 is disposed in the middle of the display panel 100, so that the first data line 11 located in the first display area 101 and the second data line 11 located in the second display area 101 The length of the second data lines 21 in the display area 102 is more uniform, which avoids the problem of uneven brightness and darkness of the display device, although the distance between the first data lines 11 and/or the second data lines 21 is reduced. length and impedance difference, but the length and impedance difference between each of the first data lines 11 and/or each of the second data lines 21 still exist, in order to further improve the display uniformity of the display device,
本申请还提供一种显示装置的驱动方法，请参阅图1~3，所述显示装置包括：The present application also provides a method for driving a display device, please refer to FIGS. 1 to 3 . The display device includes:
显示面板100，所述显示面板100至少包括沿第一方向103并列设置的第一显示区101及第二显示区102，所述第一显示区101内设有第一驱动电路10，所述第二显示区102内设有第二驱动电路20；A display panel 100, the display panel 100 at least includes a first display area 101 and a second display area 102 arranged in parallel along a first direction 103, the first display area 101 is provided with a first driving circuit 10, the The second display area 102 is provided with a second driving circuit 20;
驱动芯片200，分别与所述第一驱动电路10和所述第二驱动电路20连接，所述驱动芯片200驱动所述第一显示区101及第二显示区102显示；The driving chip 200 is connected to the first driving circuit 10 and the second driving circuit 20 respectively, and the driving chip 200 drives the first display area 101 and the second display area 102 to display;
其中，所述驱动芯片200设置于所述显示面板100的中部，所述第一驱动电路10包括多条与所述第一方向103平行的第一数据线11，所述第二驱动电路20包括多条与所述第一方向103平行的第二数据线21，所述第一驱动电路10和所述第二驱动电路20均包括与所述第一方向103垂直的多条扫描线；The driving chip 200 is disposed in the middle of the display panel 100 , the first driving circuit 10 includes a plurality of first data lines 11 parallel to the first direction 103 , and the second driving circuit 20 includes a plurality of second data lines 21 parallel to the first direction 103, the first driving circuit 10 and the second driving circuit 20 both include a plurality of scanning lines perpendicular to the first direction 103;
所述显示装置的驱动方法包括以下步骤：The driving method of the display device includes the following steps:
在一个驱动周期T1内，所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态在所述第一状态与所述第二状态之间切换，每切换一次所述第一状态或所述第二状态，所述驱动芯片200对所述第一显示区101内的一条所述扫描线或所述第二显示区102内的一条所述扫描线输出驱动信号，所述驱动芯片200每次对不同的所述扫描线输出驱动信号；In one driving period T1, the on-off states of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 are switched between the first state and the second state, and each switching Once in the first state or the second state, the driving chip 200 outputs driving to one of the scan lines in the first display area 101 or one of the scan lines in the second display area 102 signal, the driving chip 200 outputs the driving signal to different scan lines each time;
其中，所述第一状态为：所述驱动芯片200与所述第一驱动电路10导通，且所述驱动芯片200与所述第二驱动电路20断开；Wherein, the first state is: the driving chip 200 is connected to the first driving circuit 10, and the driving chip 200 is disconnected from the second driving circuit 20;
所述第二状态为：所述驱动芯片200与所述第二驱动电路20导通，且所述驱动芯片200与所述第一驱动电路10断开。The second state is: the driving chip 200 and the second driving circuit 20 are turned on, and the driving chip 200 is disconnected from the first driving circuit 10 .
可以理解的是，具体驱动过程中，在一个驱动周期T1内，所述驱动芯片200轮流对所述第一显示区101内的一条所述扫描线和所述第二显示区102内的一条所述扫描线输出驱动信号，在此过程中，所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态在所述第一状态与所述第二状态之间切换，当所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态切换至所述第一状态时，所述驱动芯片200对所述第一显示区101内的一条所述扫描线输出驱动信号，当所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态切换至所述第二状态时，所述驱动芯片200对所述第二显示区102内的一条所述扫描线输出驱动信号，在本次所述驱动周期T1内，所述驱动芯片200每次对不同的所述扫描线输出驱动信号，直至所有所述扫描线均被扫描则进入下一所述驱动周期T1；具体的，请参阅图3，可以通过一所述导通切换单元实现所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态的切换，所述导通切换单元可根据所述驱动芯片200的控制信号调整所述驱动芯片200与所述第一驱动电路10和所述第二驱动电路20的通断状态，显然，当所述驱动芯片200驱动所述第一驱动电路10时，所述驱动芯片200可控制与所述第一驱动电路10和所述第二驱动电路20的通断状态切换为所述第一状态，即所述驱动芯片200与所述第一驱动电路10导通，且所述驱动芯片200与所述第二驱动电路20断开；当所述驱动芯片200驱动所述第二驱动电路20时，所述驱动芯片200可控制与所述第一驱动电路10和所述第二驱动电路20的通断状态切换为所述第二状态，即所述驱动芯片200与所述第二驱动电路20导通，且所述驱动芯片200与所述第一驱动电路10断开；通过所述导通切换单元的设置可以自由切换所述驱动芯片200输出电压的方向，当需要驱动所述第一驱动电路10时，则连通所述第一驱动电路10，同时断开所述第二驱动电路20，当需要驱动所述第而驱动电路时，则连通所述第二驱动电路20，同时断开所述第一驱动电路10，可以很好的减少不必要的漏电流，也可以节省显示装置的功耗。It can be understood that, in a specific driving process, within one driving period T1, the driving chip 200 alternately scans one of the scan lines in the first display area 101 and one of the scan lines in the second display area 102. The scan line outputs a drive signal. During this process, the on-off state of the drive chip 200 and the first drive circuit 10 and the second drive circuit 20 is between the first state and the second state. When the on-off state of the driving chip 200 and the first driving circuit 10 and the second driving circuit 20 is switched to the first state, the driving chip 200 will not respond to the first display area. One of the scan lines in 101 outputs a drive signal, and when the on-off state of the drive chip 200 and the first drive circuit 10 and the second drive circuit 20 is switched to the second state, the drive The chip 200 outputs a drive signal to one of the scan lines in the second display area 102 . In the current drive period T1 , the drive chip 200 outputs a drive signal to a different scan line each time until After all the scan lines are scanned, the next driving cycle T1 is entered; for details, please refer to FIG. 3 , the driving chip 200 and the first driving circuit 10 and the For switching of the on-off state of the second driving circuit 20, the on-switching unit can adjust the driving chip 200, the first driving circuit 10 and the second driving chip 200 according to the control signal of the driving chip 200 The on-off state of the circuit 20, obviously, when the driver chip 200 drives the first driver circuit 10, the driver chip 200 can control the on-off state of the first driver circuit 10 and the second driver circuit 20 The off state is switched to the first state, that is, the driver chip 200 and the first driver circuit 10 are turned on, and the driver chip 200 and the second driver circuit 20 are disconnected; when the driver chip 200 is disconnected from the second driver circuit 20 When driving the second driving circuit 20, the driving chip 200 can control the on-off state with the first driving circuit 10 and the second driving circuit 20 to switch to the second state, that is, the driving chip 200 is connected to the second driving circuit 20, and the driving chip 200 is disconnected from the first driving circuit 10; the direction of the output voltage of the driving chip 200 can be freely switched through the setting of the conduction switching unit , when the first drive circuit 10 needs to be driven, the first drive circuit 10 is connected, and the second drive circuit 20 is disconnected at the same time; when the second drive circuit needs to be driven, the first drive circuit is connected The second driving circuit 20 and the first driving circuit 10 are disconnected at the same time, which can well reduce unnecessary leakage current and save the power consumption of the display device.
在一实施例中，请参阅图4，每一所述驱动周期T1均包括一常规驱动周期T2和一常规空白周期T3，相邻两所述驱动周期T1之间的间隔时间为零；In one embodiment, please refer to FIG. 4 , each of the driving periods T1 includes a normal driving period T2 and a normal blank period T3, and the interval time between two adjacent driving periods T1 is zero;
根据所述扫描线的数量，将所述常规驱动周期T2划分为多个常规驱动子区段，将所述常规空白周期T3划分为多个常规空白子区段，每一所述扫描线所接收驱动信号的扫描时间至少包括一所述常规驱动子区段和一所述常规空白子区段。According to the number of the scan lines, the normal driving period T2 is divided into a plurality of normal driving sub-sections, and the normal blank period T3 is divided into a plurality of normal blank sub-sections. The scan time of the driving signal includes at least one of the regular driving sub-sections and one of the regular blank sub-sections.
可以理解的是，在常规的驱动方法中，相邻两常规驱动周期T2之间会设有一常规空白周期T3，也即在每一次所述常规驱动周期T2对各扫描走线完成扫描后，会有一常规空白周期T3作为间隔，本实施例中，所述驱动周期T1包括一所述常规驱动周期T2和一所述常规空白周期T3，也即是所述驱动周期T1相比于所述常规驱动周期T2的时间多了一所述常规空白周期T3，增加了整体的扫描时间，在一实施例中，所述扫描线的数量可以为2k条，所述常规空白周期T3可以对应划分为2k个常规空白子区段分别增加到各所述扫描线的扫描时间中，提高了每条扫描线的扫描时间，达到了更好的充电效果。It can be understood that, in the conventional driving method, a conventional blank period T3 is set between two adjacent conventional driving periods T2, that is, after each scan line of the conventional driving period T2 is scanned, there will be a normal blank period T3. There is a regular blank period T3 as an interval. In this embodiment, the drive period T1 includes a regular drive period T2 and a regular blank period T3, that is, the drive period T1 is compared with the regular drive period T1. The time of the period T2 is longer by the conventional blank period T3, which increases the overall scanning time. In one embodiment, the number of the scanning lines may be 2k, and the conventional blank period T3 may be correspondingly divided into 2k The conventional blank subsections are respectively added to the scan time of each scan line, which increases the scan time of each scan line and achieves a better charging effect.
本申请通过将所述显示面板100设置为至少包括沿第一方向103并列设置的第一显示区101及第二显示区102，并将驱动芯片200设置于所述显示面板100的中部，减小了第一显示区101和第二显示区102中诸如Mini-LED等发光器件到所述驱动芯片200的距离，使得位于第一显示区101内第一数据线11和位于第二显示区102内第二数据线21的长度更加均匀，避免诸如第一数据线11和第二数据线21等不同数据线由于长度差异较大导致显示装置亮暗不均的问题。In the present application, by setting the display panel 100 to at least include the first display area 101 and the second display area 102 arranged in parallel along the first direction 103 , and setting the driving chip 200 in the middle of the display panel 100 , reducing the The distance between the light-emitting devices such as Mini-LED in the first display area 101 and the second display area 102 and the driving chip 200 is determined, so that the first data line 11 located in the first display area 101 and the first data line 11 located in the second display area 102 The lengths of the second data lines 21 are more uniform, so as to avoid the problem of uneven brightness and darkness of the display device due to large differences in lengths of different data lines such as the first data lines 11 and the second data lines 21 .
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。In summary, although the present invention has been disclosed above with preferred embodiments, the above preferred embodiments are not intended to limit the present invention. Those of ordinary skill in the art can make various Therefore, the protection scope of the present invention is subject to the scope defined by the claims.

Claims (15)

  1. 一种显示装置，其包括：A display device comprising:
    显示面板，所述显示面板至少包括沿第一方向并列设置的第一显示区及第二显示区，所述第一显示区内设有第一驱动电路，所述第二显示区内设有第二驱动电路；及A display panel, the display panel at least includes a first display area and a second display area arranged in parallel along a first direction, the first display area is provided with a first driving circuit, and the second display area is provided with a first display area two drive circuits; and
    驱动芯片，分别与所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片驱动所述第一显示区及第二显示区显示；a driving chip, which is respectively connected to the first driving circuit and the second driving circuit, and the driving chip drives the display of the first display area and the second display area;
    其中，所述驱动芯片设置于所述显示面板的中部，所述第一驱动电路包括多条与所述第一方向平行的第一数据线，所述第二驱动电路包括多条与所述第一方向平行的第二数据线。The driving chip is disposed in the middle of the display panel, the first driving circuit includes a plurality of first data lines parallel to the first direction, and the second driving circuit includes a plurality of first data lines parallel to the first direction. The second data lines are parallel in one direction.
  2. 根据权利要求1所述的显示装置，其中，还包括一导通切换单元，所述导通切换单元分别与所述驱动芯片、所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片控制所述导通切换单元的工作状态以切换与所述第一驱动电路和所述第二驱动电路的通断状态；The display device according to claim 1, further comprising a conduction switching unit, the conduction switching unit is respectively connected to the driving chip, the first driving circuit and the second driving circuit, the The driving chip controls the working state of the conduction switching unit to switch the on-off state with the first driving circuit and the second driving circuit;
    所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态包括：The on-off state of the driver chip and the first driver circuit and the second driver circuit includes:
    第一状态：所述驱动芯片与所述第一驱动电路导通，且所述驱动芯片与所述第二驱动电路断开；和a first state: the driver chip is turned on with the first driver circuit, and the driver chip is disconnected from the second driver circuit; and
    第二状态：所述驱动芯片与所述第二驱动电路导通，且所述驱动芯片与所述第一驱动电路断开。The second state: the driving chip and the second driving circuit are turned on, and the driving chip and the first driving circuit are disconnected.
  3. 根据权利要求2所述的显示装置，其中，所述导通切换单元包括一选择开关，所述驱动芯片分别与所述选择开关的输入端和控制端连接，所述选择开关的选择输出端选择性的与所述第一驱动电路和所述第二驱动电路连接。The display device according to claim 2, wherein the conduction switching unit comprises a selection switch, the driving chip is respectively connected to the input terminal and the control terminal of the selection switch, and the selection output terminal of the selection switch selects connected to the first drive circuit and the second drive circuit.
  4. 根据权利要求2所述的显示装置，其中，所述第一驱动电路和所述第二驱动电路均包括与所述第一方向垂直的多条扫描线；The display device according to claim 2, wherein each of the first driving circuit and the second driving circuit comprises a plurality of scan lines perpendicular to the first direction;
    在一个驱动周期内，所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态在所述第一状态与所述第二状态之间切换，每切换一次所述第一状态或所述第二状态，所述驱动芯片对所述第一显示区内的一条所述扫描线或所述第二显示区内的一条所述扫描线输出驱动信号，其中，所述驱动芯片每次对不同的所述扫描线输出驱动信号。In one driving cycle, the on-off state of the driving chip, the first driving circuit and the second driving circuit is switched between the first state and the second state, and each time the first state is switched In a state or the second state, the driving chip outputs a driving signal to one of the scan lines in the first display area or one of the scan lines in the second display area, wherein the drive The chip outputs driving signals to different scan lines each time.
  5. 根据权利要求4所述的显示装置，其中，所述第一驱动电路和所述第二驱动电路共包括2k条扫描线，所述第一驱动电路包括位于所述第一显示区内的第1至第k条所述扫描线，所述第二驱动电路包括位于所述第二显示区内的第k+1至2k条所述扫描线，其中，k为正整数；所述第一显示区的扫描方向与所述第二显示区的扫描方向相同或相反。The display device according to claim 4, wherein the first driving circuit and the second driving circuit comprise a total of 2k scan lines, and the first driving circuit comprises a first driving circuit located in the first display area. to the kth scan line, the second driving circuit includes k+1 to 2kth scan lines located in the second display area, where k is a positive integer; the first display area The scanning direction is the same as or opposite to the scanning direction of the second display area.
  6. 根据权利要求5所述的显示装置，其中，所述第一显示区的扫描方向与所述第二显示区的扫描方向相同包括：The display device according to claim 5, wherein the scanning direction of the first display area is the same as the scanning direction of the second display area comprising:
    所述第一显示区的扫描方向为第1至第k条所述扫描线，所述第二显示区的扫描方向为第k+1至第2k条所述扫描线；或The scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the k+1th to 2kth scan lines; or
    所述第一显示区的扫描方向为第k至第1条所述扫描线，所述第二显示区的扫描方向为第2k至第k+1条所述扫描线。The scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the 2kth to k+1th scan lines.
  7. 根据权利要求5所述的显示装置，其中，所述第一显示区的扫描方向与所述第二显示区的扫描方向相反包括：The display device according to claim 5, wherein the scanning direction of the first display area is opposite to the scanning direction of the second display area comprising:
    所述第一显示区的扫描方向为第1至第k条所述扫描线，所述第二显示区的扫描方向为第2k至第k+1条所述扫描线；或The scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the 2kth to k+1th scan lines; or
    所述第一显示区的扫描方向为第k至第1条所述扫描线，所述第二显示区的扫描方向为第k+1至第2k条所述扫描线。The scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the k+1st to 2kth scan lines.
  8. 根据权利要求4所述的显示装置，其中，相邻两所述扫描线中，其中一远离所述驱动芯片的所述扫描线所接收驱动信号的扫描时间大于另一靠近所述驱动芯片的所述扫描线所接收驱动信号的扫描时间。The display device according to claim 4 , wherein among the two adjacent scan lines, one scan line far away from the driving chip has a longer scan time for receiving the driving signal than the other scan line close to the driving chip. The scan time of the drive signal received by the scan line.
  9. 一种显示装置，其包括：A display device comprising:
    显示面板，所述显示面板至少包括沿第一方向并列设置的第一显示区及第二显示区，所述第一显示区内设有第一驱动电路，所述第二显示区内设有第二驱动电路；及A display panel, the display panel at least includes a first display area and a second display area arranged in parallel along a first direction, the first display area is provided with a first driving circuit, and the second display area is provided with a first display area two drive circuits; and
    驱动芯片，分别与所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片驱动所述第一显示区及第二显示区显示；a driving chip, which is respectively connected to the first driving circuit and the second driving circuit, and the driving chip drives the display of the first display area and the second display area;
    其中，所述驱动芯片设置于所述显示面板的中部，所述第一驱动电路包括多条与所述第一方向平行的第一数据线，所述第二驱动电路包括多条与所述第一方向平行的第二数据线；The driving chip is disposed in the middle of the display panel, the first driving circuit includes a plurality of first data lines parallel to the first direction, and the second driving circuit includes a plurality of first data lines parallel to the first direction. a second data line parallel in one direction;
    所述显示装置还包括一导通切换单元，所述导通切换单元分别与所述驱动芯片、所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片控制所述导通切换单元的工作状态以切换与所述第一驱动电路和所述第二驱动电路的通断状态；The display device further includes a conduction switching unit, the conduction switching unit is respectively connected with the driving chip, the first driving circuit and the second driving circuit, and the driving chip controls the conduction switching the working state of the unit to switch the on-off state with the first drive circuit and the second drive circuit;
    所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态包括：The on-off state of the driver chip and the first driver circuit and the second driver circuit includes:
    第一状态：所述驱动芯片与所述第一驱动电路导通，且所述驱动芯片与所述第二驱动电路断开；和a first state: the driver chip is turned on with the first driver circuit, and the driver chip is disconnected from the second driver circuit; and
    第二状态：所述驱动芯片与所述第二驱动电路导通，且所述驱动芯片与所述第一驱动电路断开；The second state: the driving chip is connected to the second driving circuit, and the driving chip is disconnected from the first driving circuit;
    所述导通切换单元包括一选择开关，所述驱动芯片分别与所述选择开关的输入端和控制端连接，所述选择开关的选择输出端选择性的与所述第一驱动电路和所述第二驱动电路连接；The conduction switching unit includes a selection switch, the driving chip is respectively connected with the input terminal and the control terminal of the selection switch, and the selection output terminal of the selection switch is selectively connected with the first driving circuit and the control terminal. the second drive circuit is connected;
    所述第一驱动电路和所述第二驱动电路均包括与所述第一方向垂直的多条扫描线；Both the first driving circuit and the second driving circuit include a plurality of scan lines perpendicular to the first direction;
    在一个驱动周期内，所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态在所述第一状态与所述第二状态之间切换，每切换一次所述第一状态或所述第二状态，所述驱动芯片对所述第一显示区内的一条所述扫描线或所述第二显示区内的一条所述扫描线输出驱动信号，其中，所述驱动芯片每次对不同的所述扫描线输出驱动信号。In one driving cycle, the on-off state of the driving chip, the first driving circuit and the second driving circuit is switched between the first state and the second state, and each time the first state is switched In a state or the second state, the driving chip outputs a driving signal to one of the scan lines in the first display area or one of the scan lines in the second display area, wherein the drive The chip outputs driving signals to different scan lines each time.
  10. 根据权利要求9所述的显示装置，其中，所述第一驱动电路和所述第二驱动电路共包括2k条扫描线，所述第一驱动电路包括位于所述第一显示区内的第1至第k条所述扫描线，所述第二驱动电路包括位于所述第二显示区内的第k+1至2k条所述扫描线，其中，k为正整数；所述第一显示区的扫描方向与所述第二显示区的扫描方向相同或相反。The display device according to claim 9, wherein the first driving circuit and the second driving circuit comprise a total of 2k scan lines, and the first driving circuit comprises a first driving circuit located in the first display area. to the kth scan line, the second driving circuit includes k+1 to 2kth scan lines located in the second display area, where k is a positive integer; the first display area The scanning direction is the same as or opposite to the scanning direction of the second display area.
  11. 根据权利要求10所述的显示装置，其中，所述第一显示区的扫描方向与所述第二显示区的扫描方向相同包括：The display device according to claim 10, wherein the scanning direction of the first display area is the same as the scanning direction of the second display area comprising:
    所述第一显示区的扫描方向为第1至第k条所述扫描线，所述第二显示区的扫描方向为第k+1至第2k条所述扫描线；或The scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the k+1th to 2kth scan lines; or
    所述第一显示区的扫描方向为第k至第1条所述扫描线，所述第二显示区的扫描方向为第2k至第k+1条所述扫描线。The scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the 2kth to k+1th scan lines.
  12. 根据权利要求10所述的显示装置，其中，所述第一显示区的扫描方向与所述第二显示区的扫描方向相反包括：The display device according to claim 10, wherein the scanning direction of the first display area is opposite to the scanning direction of the second display area comprising:
    所述第一显示区的扫描方向为第1至第k条所述扫描线，所述第二显示区的扫描方向为第2k至第k+1条所述扫描线；或The scanning direction of the first display area is the 1st to kth scan lines, and the scan direction of the second display area is the 2kth to k+1th scan lines; or
    所述第一显示区的扫描方向为第k至第1条所述扫描线，所述第二显示区的扫描方向为第k+1至第2k条所述扫描线。The scanning directions of the first display area are the kth to 1st scan lines, and the scan directions of the second display area are the k+1st to 2kth scan lines.
  13. 根据权利要求9所述的显示装置，其中，相邻两所述扫描线中，其中一远离所述驱动芯片的所述扫描线所接收驱动信号的扫描时间大于另一靠近所述驱动芯片的所述扫描线所接收驱动信号的扫描时间。The display device according to claim 9, wherein among the two adjacent scan lines, one scan line far from the driving chip has a longer scan time for the driving signal received by the scan line than the other scan line close to the driving chip. The scan time of the drive signal received by the scan line.
  14. 一种显示装置的驱动方法，所述显示装置包括：A method for driving a display device, the display device comprising:
    显示面板，所述显示面板至少包括沿第一方向并列设置的第一显示区及第二显示区，所述第一显示区内设有第一驱动电路，所述第二显示区内设有第二驱动电路；A display panel, the display panel at least includes a first display area and a second display area arranged in parallel along a first direction, the first display area is provided with a first driving circuit, and the second display area is provided with a first display area Two drive circuits;
    驱动芯片，分别与所述第一驱动电路和所述第二驱动电路连接，所述驱动芯片驱动所述第一显示区及第二显示区显示；a driving chip, which is respectively connected to the first driving circuit and the second driving circuit, and the driving chip drives the display of the first display area and the second display area;
    其中，所述驱动芯片设置于所述显示面板的中部，所述第一驱动电路包括多条与所述第一方向平行的第一数据线，所述第二驱动电路包括多条与所述第一方向平行的第二数据线，所述第一驱动电路和所述第二驱动电路均包括与所述第一方向垂直的多条扫描线；The driving chip is disposed in the middle of the display panel, the first driving circuit includes a plurality of first data lines parallel to the first direction, and the second driving circuit includes a plurality of first data lines parallel to the first direction. A second data line parallel to one direction, the first drive circuit and the second drive circuit each include a plurality of scan lines perpendicular to the first direction;
    所述显示装置的驱动方法包括以下步骤：The driving method of the display device includes the following steps:
    在一个驱动周期内，所述驱动芯片与所述第一驱动电路和所述第二驱动电路的通断状态在所述第一状态与所述第二状态之间切换，每切换一次所述第一状态或所述第二状态，所述驱动芯片对所述第一显示区内的一条所述扫描线或所述第二显示区内的一条所述扫描线输出驱动信号，所述驱动芯片每次对不同的所述扫描线输出驱动信号；In one driving cycle, the on-off state of the driving chip, the first driving circuit and the second driving circuit is switched between the first state and the second state, and each time the first state is switched In a state or the second state, the driving chip outputs a driving signal to one of the scan lines in the first display area or one of the scan lines in the second display area, and each time the driver chip outputting driving signals to different said scan lines for the second time;
    其中，所述第一状态为：所述驱动芯片与所述第一驱动电路导通，且所述驱动芯片与所述第二驱动电路断开；Wherein, the first state is: the driving chip and the first driving circuit are turned on, and the driving chip and the second driving circuit are disconnected;
    所述第二状态为：所述驱动芯片与所述第二驱动电路导通，且所述驱动芯片与所述第一驱动电路断开。The second state is: the driving chip and the second driving circuit are turned on, and the driving chip and the first driving circuit are disconnected.
  15. 根据权利要求14所述显示装置的驱动方法，其中，每一所述驱动周期均包括一常规驱动周期和一常规空白周期，相邻两所述驱动周期之间的间隔时间为零；The driving method of a display device according to claim 14, wherein each of the driving periods includes a normal driving period and a normal blank period, and an interval between two adjacent driving periods is zero;
    根据所述扫描线的数量，将所述常规驱动周期划分为多个常规驱动子区段，将所述常规空白周期划分为多个常规空白子区段，每一所述扫描线所接收驱动信号的扫描时间至少包括一所述常规驱动子区段和一所述常规空白子区段。According to the number of the scan lines, the normal driving period is divided into a plurality of normal driving sub-sections, the normal blank period is divided into a plurality of normal blank sub-sections, and the driving signal received by each of the scanning lines The scan time includes at least one of the regular drive subsections and one of the regular blank subsections.
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