WO2024066394A1 - 显示面板、显示模组与显示装置 - Google Patents

显示面板、显示模组与显示装置 Download PDF

Info

Publication number
WO2024066394A1
WO2024066394A1 PCT/CN2023/094775 CN2023094775W WO2024066394A1 WO 2024066394 A1 WO2024066394 A1 WO 2024066394A1 CN 2023094775 W CN2023094775 W CN 2023094775W WO 2024066394 A1 WO2024066394 A1 WO 2024066394A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
driving voltage
light
display
signal
Prior art date
Application number
PCT/CN2023/094775
Other languages
English (en)
French (fr)
Inventor
周仁杰
郑浩旋
Original Assignee
惠科股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 惠科股份有限公司 filed Critical 惠科股份有限公司
Publication of WO2024066394A1 publication Critical patent/WO2024066394A1/zh

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3258Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2092Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G3/2096Details of the interface to the display terminal specific for a flat panel
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/08Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809Several active elements per pixel in active matrix panels
    • G09G2300/0842Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G09G2300/0852Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor being a dynamic memory with more than one capacitor
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/08Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809Several active elements per pixel in active matrix panels
    • G09G2300/0842Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G09G2300/0861Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/08Details of timing specific for flat panels, other than clock recovery
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/04Maintaining the quality of display appearance
    • G09G2320/043Preventing or counteracting the effects of ageing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving

Definitions

  • the present application relates to the field of display technology, and in particular to a display panel, a display module and a display device.
  • OLED display devices have many advantages, such as self-luminescence, low driving voltage, high luminous efficiency, short response time, high clarity and contrast, nearly 180° viewing angle, wide operating temperature range, and the ability to achieve flexible display and large-area full-color display. They are considered by the industry to be the display device with the most development potential.
  • OLEDs in display panels generally use direct current drive, which causes the thin film transistor (TFT) in the pixel unit to work continuously, causing the TFT to continue to heat up, thereby reducing the service life of the TFT.
  • TFT thin film transistor
  • only one light-emitting diode is set in the pixel unit. Since the light-emitting diode works continuously, the life of the light-emitting diode is also relatively short, which leads to higher cost of use.
  • the present application provides a display panel, a display module and a display device in which two light emitting diodes in a pixel unit display alternately.
  • a display panel includes a plurality of pixel units arranged in a matrix, and the plurality of pixel units receive data signals for performing image display.
  • the pixel units include a first display unit and a second display unit, and the first display unit and the second display unit are connected in parallel between a first driving voltage terminal and a second driving voltage terminal, and the first driving voltage terminal is used to receive a first driving voltage, and the second driving voltage terminal is used to receive a second driving voltage.
  • the first driving voltage is greater than the second driving voltage
  • the first driving voltage and the second driving voltage cooperate to drive the first display unit to display the image
  • the second driving voltage is greater than the first driving voltage
  • the first driving voltage and the second driving voltage cooperate to drive the second display unit to display the image.
  • the first display unit and the second display unit display multiple frames of images alternately in sequence under the cooperative drive of the first driving voltage and the second driving voltage.
  • the display panel further includes a plurality of scan lines extending along a first direction and a plurality of data lines extending along a second direction, the first direction and the second direction are perpendicular to each other, pixel units are correspondingly arranged at the intersections of the plurality of scan lines and the plurality of data lines, the pixel units receive scan signals from the scan lines and receive data signals for image display under the control of the scan signals.
  • the pixel units further include an adjustment unit, the adjustment unit is connected in parallel with the first display unit and the second display unit between the first drive voltage and the second drive voltage, and is used to electrically conduct the first drive voltage and the second drive voltage before the first frame image is displayed and the second frame image is displayed during the display of two consecutive frames of images, so as to balance the charge between the first drive voltage and the second drive voltage.
  • the first display unit includes a first signal receiving module, a first voltage stabilizing module and a first light-emitting module.
  • the first signal receiving module is connected to the data line and the scan line, receives a scan signal from the scan line, is used to receive a data signal from the data line, and transmits the data signal to the first voltage stabilizing module.
  • the first voltage stabilizing module is connected to the first signal receiving module and the first light-emitting module, is used to receive and store the data signal from the first signal receiving module, and provides a stable voltage to the first light-emitting module when the first light-emitting module emits light.
  • the first light-emitting module is used to emit light when the first driving voltage and the second driving voltage are connected.
  • the first display unit further includes a first conduction control module and a second conduction control module, wherein the first conduction control module is connected to the first voltage stabilizing module and the first driving voltage terminal and receives a first control signal, and is used to control the first driving voltage terminal to be electrically connected to the first voltage stabilizing module according to the first control signal, and to be electrically connected to the first light-emitting module via the first voltage stabilizing module.
  • the second conduction control module is connected to the first light-emitting module and the second driving voltage terminal and receives a first control signal, and is used to control the second driving voltage terminal to be electrically connected to the first light-emitting module according to the first control signal.
  • an output loop is formed between the first driving voltage terminal, the first conduction control module, the first voltage stabilizing module, the first light-emitting module, the second conduction control module, and the second driving voltage terminal to drive the first light-emitting module to emit light.
  • the first display unit also includes a first connection module, which is connected between the first light-emitting module and the second display unit and receives a first conduction signal, and is used to transfer the charge remaining after the first light-emitting module stops emitting light to the second display unit under the control of the first conduction signal, so as to be used by the second display unit for image display.
  • a first connection module which is connected between the first light-emitting module and the second display unit and receives a first conduction signal, and is used to transfer the charge remaining after the first light-emitting module stops emitting light to the second display unit under the control of the first conduction signal, so as to be used by the second display unit for image display.
  • the second display unit includes a second signal receiving module, a second voltage stabilizing module and a second light-emitting module, wherein the second signal receiving module is connected to the data line and the scan line, and is used to receive a scan signal from the scan line, receive a data signal from the data line, and transmit the data signal to the second voltage stabilizing module.
  • the second voltage stabilizing module is connected to the second signal receiving module and the second light-emitting module, and is used to receive and store the data signal from the second signal receiving module, and provide a stable voltage to the second light-emitting module when the second light-emitting module emits light.
  • the second light-emitting module is used to emit light when connected to the first driving voltage terminal and the second driving voltage terminal.
  • the second display unit further includes a third conduction control module and a fourth conduction control module, wherein the third conduction control module is connected to the second voltage stabilizing module and the second driving voltage terminal and receives a second control signal, and is used to control the second driving voltage terminal to be electrically connected to the second voltage stabilizing module according to the second control signal, and to be electrically connected to the second light-emitting module via the second voltage stabilizing module.
  • the fourth conduction control module is connected to the second light-emitting module and the first driving voltage terminal and receives a second control signal, and is used to control the first driving voltage terminal to be electrically connected to the second light-emitting module according to the second control signal.
  • an output loop is formed between the second driving voltage terminal, the third conduction control module, the second voltage stabilizing module, the second light-emitting module, the fourth conduction control module and the first driving voltage terminal to drive the second light-emitting module to emit light.
  • the second display unit also includes a second connection module, which is connected between the second light-emitting module and the first display unit and receives a second conduction signal, and is used to transfer the charge remaining after the second light-emitting module stops emitting light to the first display unit under the control of the second conduction signal, for use by the first display unit when displaying images.
  • a second connection module which is connected between the second light-emitting module and the first display unit and receives a second conduction signal, and is used to transfer the charge remaining after the second light-emitting module stops emitting light to the first display unit under the control of the second conduction signal, for use by the first display unit when displaying images.
  • the present application also discloses a display module, including a data driving circuit, a scanning driving circuit, a display control circuit, a light-emitting controller and the aforementioned display panel, wherein the data driving circuit is used to receive a source output control signal from the display control circuit and output a data signal based on the source output signal, the scanning driving circuit is used to receive a gate output control signal from the display control circuit and output a scanning signal based on the gate output control signal, and the pixel unit in the display panel performs image display under the control of the light-emitting controller based on the scanning signal and the data signal.
  • the present application also discloses a display device, including a supporting frame, a power module and the aforementioned display module, the power module provides power voltage for the display panel to display images, and the display module and the power module are fixed to the supporting frame.
  • the two light-emitting diodes emit light alternately in a continuous multi-frame image, which effectively reduces the light-emitting time of a single light-emitting diode and improves the light-emitting life of the pixel unit.
  • the two light-emitting diodes when they emit light alternately, they can share charges, and the retained charge in the light-emitting diode that has finished emitting light is transferred to the other light-emitting diode for use when the other light-emitting diode emits light, which greatly reduces the power consumption of the pixel unit when it emits light.
  • FIG1 is a schematic structural diagram of a display device provided by an embodiment of the present application.
  • FIG2 is a schematic diagram of the planar layout structure of the display module in FIG1;
  • FIG3 is a block diagram of a pixel unit in FIG2 ;
  • FIG4 is an equivalent circuit diagram of the pixel unit in FIG3 ;
  • FIG. 5 is a timing diagram of signals in the pixel unit in FIG. 4 .
  • Display device-100 display module-10, power module-20, support frame-30, data driving circuit-11, scan driving circuit-12, display panel-13, display area-13a, display control circuit-14, pixel unit-15, light emitting controller-16, first direction-F1, second direction-F2, clock signal-CLK, data line-S, scan line-G, data signal-Data, horizontal synchronization signal-Hsyn, vertical synchronization signal-Vsyn, gate output control signal-Cg, source output control signal-Cs, first display unit-151, second display unit-152, adjustment unit-153, first driving voltage-V1, second driving voltage-V2, intermediate voltage-V0, first voltage-v1, second voltage-v2, first signal receiving module-1511, first voltage stabilizing module-1512, first conductor
  • connection and “coupling” mentioned in the present application, unless otherwise specified, include direct and indirect connections (couplings).
  • the directional terms mentioned in the present application, such as “upper”, “lower”, “front”, “back”, “left”, “right”, “inside”, “outside”, “side”, etc., are only with reference to the directions of the attached drawings.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense.
  • it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two components.
  • installed should be understood in a broad sense.
  • it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two components.
  • the specific meanings of the above terms in this application can be understood according to specific circumstances.
  • the terms “first”, “second”, etc. in the specification, claims, and drawings of the present application are used to distinguish different objects, rather than to describe a specific order.
  • the terms “include”, “may include”, “contain”, or “may include” used in this application indicate the existence of the corresponding functions, operations, elements, etc. disclosed, and do not limit one or more other functions, operations, elements, etc.
  • the terms “include” or “contain” indicate the existence of the corresponding features, numbers, steps, operations, elements, components, or The present invention includes but is not limited to the existence or addition of one or more other features, numbers, steps, operations, elements, components or combinations thereof, and is intended to cover non-exclusive inclusions.
  • the term “may” is used to mean “one or more embodiments of the present application”.
  • the term “exemplary” is intended to refer to an example or illustration.
  • FIG. 1 is a schematic diagram of the structure of a display device 100 provided in the first embodiment of the present application.
  • the display device 100 includes a display module 10, a power module 20 and a support frame 30.
  • the display module 10 and the power module 20 are fixed to the support frame 30.
  • the power module 20 is arranged on the back of the display module 10, that is, the non-display surface of the display module 10.
  • the power module 20 is used to provide a power supply voltage for the display module 10 to display images, and the support frame 30 provides fixing and protection for the display module 10 and the power module 20.
  • FIG. 2 is a schematic diagram of the planar layout structure of the display module 10 in FIG. 1 .
  • the display module 10 includes a data driving circuit 11, a scan driving circuit 12, a display panel 13, a display control circuit 14, and a light emitting controller 16.
  • the data driving circuit 11, the scan driving circuit 12, the display control circuit 14, and the light emitting controller 16 are disposed in a non-display area of the display panel 13.
  • a plurality of data lines (Source line) S1-Sm and a plurality of scan lines (Gate line) G1-Gn arranged in a grid are provided in the display area 13a of the display panel 13.
  • the plurality of scan lines G1-Gn extend along a first direction F1
  • the plurality of data lines S1-Sm extend along a second direction F2
  • the first direction F1 and the second direction F2 are perpendicular to each other.
  • the intersections of the plurality of scanning lines G1-Gn and the data lines S1-Sm are correspondingly provided with pixel units 15.
  • the pixel units 15 can be respectively represented as P11-P1m, P21-P2m, ..., Pn1-Pnm.
  • the scan lines G1 -Gn are connected to the scan driving circuit 12 to receive scan signals from the scan driving circuit 12
  • the data lines S1 -Sm are connected to the data driving circuit 11 to receive data signals Data stored and transmitted in the form of grayscale values provided by the data driving circuit 11 .
  • the pixel unit 15 Under the control of the scan lines G1 -Gn, the pixel unit 15 receives the data voltage corresponding to the grayscale value in the data signal Data provided by the data lines S1 -Sm in a predetermined time period, and displays an image accordingly.
  • the display control circuit 14 receives an image signal representing image information, a clock signal CLK for synchronization, a horizontal synchronization signal Hsyn, and a vertical synchronization signal Vsyn from an external signal source, and outputs a gate output control signal Cg for controlling the scan drive circuit 12, a source output control signal Cs for controlling the data drive circuit 11, and a data signal Data representing image information.
  • the display control circuit 14 performs data adjustment processing on the original data signal to obtain the data signal Data, and transmits the data signal Data to the data drive circuit 11.
  • the scanning driving circuit 12 receives the gate output control signal Cg output by the display control circuit 14, and outputs the scanning signal to each scanning line G1-Gn.
  • the data driving circuit 11 receives the source output control signal Cs output by the display control circuit 14, and outputs the data signal Data used to drive the elements in each pixel unit 15 in the display area 13a to perform image display to each data line S1-Sm.
  • the data signal Data provided to the display panel 13 is a grayscale voltage in analog form.
  • the scanning driving circuit 12 outputs the scanning signal to control the pixel unit 15 to receive the data signal Data output by the data driving circuit 11.
  • the light emitting controller 16 is used to apply the light emitting control signal to the plurality of pixel units 15 to control the pixel units 15 to emit light, thereby controlling the pixel units 15 to perform image display.
  • FIG. 3 is a block diagram of the pixel unit in FIG. 2 .
  • the pixel unit 15 includes a first display unit 151, a second display unit 152 and an adjustment unit 153.
  • the first display unit 151, the second display unit 152 and the adjustment unit 153 are connected in parallel between a first driving voltage terminal (not marked) and a second driving voltage terminal (not marked).
  • the first driving voltage terminal is used to receive a first driving voltage V1
  • the second driving voltage terminal is used to receive a first driving voltage V2.
  • the voltage terminal is used for receiving the second driving voltage V2.
  • the first driving voltage V1 and the second driving voltage V2 are alternating voltages, and the voltage values of the first driving voltage V1 and the second driving voltage V2 change periodically between the first voltage v1 and the second voltage v2, that is, according to the length of a frame of image, the first driving voltage V1 and the second driving voltage V2 change alternately with the same period, equal voltage magnitude and opposite phase, wherein the first voltage v1 is greater than the second voltage v2.
  • the first driving voltage V1 is greater than the second driving voltage V2, and a voltage difference from the first driving voltage V1 to the second driving voltage V2 is formed between the first driving voltage V1 and the second driving voltage V2, and cooperates to drive the first display unit 151 to display the image.
  • the first display unit 151 and the second display unit 152 display images alternately in sequence under the cooperative driving of the first driving voltage V1 and the second driving voltage V2. That is, when the voltage value of the first driving voltage V1 is the first voltage v1 and the voltage value of the second driving voltage V2 is v2, the first display unit 151 displays an image, and when the voltage value of the second driving voltage V2 is the first voltage v1 and the voltage value of the first driving voltage V1 is the second voltage v2, the second display unit 152 displays an image.
  • the adjustment unit 153 receives an adjustment signal R, and is used to electrically connect the first driving voltage end and the second driving voltage end according to the adjustment signal R during the blank period between the display of two consecutive frames of images, that is, before the display of one frame of image ends and the second frame of image is displayed, so as to share the charge of the first driving voltage V1 and the second driving voltage V2 and maintain them at the intermediate voltage V0.
  • the first display unit 151 is electrically connected to the second display unit 152 and is used for sharing charges when the first display unit 151 and the second display unit 152 alternately display images. After the first display unit 151 completes display, the remaining charge is transferred to the second display unit 152 for the second display unit 152 to display images, or after the second display unit 152 completes display, the remaining charge is transferred to the first display unit 151 for the first display unit 151 to display images.
  • the first display unit 151 displays the first frame image
  • the second display unit 152 displays the second frame image.
  • the first driving voltage V1 and the second driving voltage V2 periodically change to the intermediate voltage V0, and maintain the preset time.
  • the second driving voltage V2 controls the second display unit 152 to display the image.
  • FIG. 4 is an equivalent circuit diagram of the pixel unit 15 in FIG. 3 .
  • the first display unit 151 includes a first signal receiving module 1511 , a first voltage stabilizing module 1512 , a first conduction control module 1513 , a second conduction control module 1514 , a first light emitting module 1515 and a first connecting module 1516 .
  • the first signal receiving module 1511 is connected to the kth data line Sk (1 ⁇ k ⁇ m-1) and the jth scan line Gj (1 ⁇ j ⁇ n-1) for receiving a data signal from the kth data line Sk and a scan signal from the jth scan line.
  • the first voltage stabilizing module 1512 is connected to the first signal receiving module 1511, the first light emitting module 1515 and the first conduction control module 1513, and is used to receive a data signal from the first signal receiving module 1511 and control the first conduction control module 1513 to be electrically connected to the first light emitting module 1515 according to the data signal.
  • the first conduction control module 1513 is connected to the first light emitting module 1515 via the first voltage stabilizing module 1512, and receives the first control signal and the first driving voltage V1.
  • the second conduction control module 1514 is connected to the first light emitting module 1515, and receives the first control signal and the second driving voltage V2.
  • the first conduction control module 1513 and the second conduction control module 1514 are used to control the first light emitting module 1515 to receive the first driving voltage V1 and the second driving voltage V2 according to the first control signal, and
  • the first driving voltage V1 and the second driving voltage V2 form a path to emit light.
  • the first driving voltage V1 is greater than the second driving voltage V2, and the current direction is from the first driving voltage V1 to the second driving voltage V2.
  • the first connection module 1516 is connected between the first light-emitting module 1515 and the second display unit 152, and receives the first conduction signal K1, and is used to transfer the charge remaining after the first light-emitting module 1515 completes luminescence to the second display unit 152 under the control of the first conduction signal K1, so as to be used when the second display unit 152 displays.
  • the second display unit 152 includes a second signal receiving module 1521 , a second voltage stabilizing module 1522 , a third conduction control module 1523 , a fourth conduction control module 1524 , a second light emitting module 1525 and a second connection module 1526 .
  • the second signal receiving module 1521 is connected to the k+1th data line Sk+1 and the j+1th scan line Gj+1, and is used to receive a data signal from the k+1th data line and a scan signal from the j+1th scan line.
  • the second voltage stabilizing module 1522 is connected to the second signal receiving module 1521, the second light emitting module 1525 and the third conduction control module 1523, and is used to receive the data signal from the second signal receiving module 1521 and control the third conduction control module 1523 to be electrically connected with the second light emitting module 1525 according to the data signal.
  • the third conduction control module 1523 is connected to the second light emitting module 1525 via the second voltage stabilizing module 1522, and receives the second control signal and the second driving voltage V2.
  • the fourth conduction control module 1524 is connected to the second light emitting module 1525, and receives the second control signal and the first driving voltage V1.
  • the third conduction control module 1523 and the fourth conduction control module 1524 are used to control the second light emitting module 1525 to receive the first driving voltage V1 and the second driving voltage V2 according to the second control signal, and emit light in the path formed by the first driving voltage V1 and the second driving voltage V2.
  • the second driving voltage V2 is greater than the first driving voltage V1, and the current direction is from the second driving voltage V2 to the first driving voltage V1.
  • the second connection module 1526 is connected between the second light-emitting module 1525 and the first display unit 151, and receives the second conduction signal K2, and is used to transfer the charge remaining after the second light-emitting module 1525 completes emitting light to the first display unit 151 under the control of the second conduction signal K2, so as to be used when the second display unit 152 is displayed.
  • the first signal receiving module 1511 includes a first switch tube T1
  • the first voltage stabilizing module includes a second switch tube T2 and a first capacitor C1
  • the first conduction control module includes a third switch tube T3
  • the second conduction control module includes a fourth switch tube T4
  • the light-emitting module includes a first light-emitting diode D1
  • the first connection module includes a fifth switch tube T5.
  • the gate of the first switch tube T1 is connected to the jth scan line Gj, the source of the first switch tube T1 is connected to the kth data line Sk, and the drain of the first switch tube T1 is connected to the second switch tube T2, and is used to receive a data signal from the kth data line Sk under the control of the scan signal and transmit the data signal to the second switch tube T2.
  • the gate of the second switch tube T2 is connected to the drain of the first switch tube T1
  • the source of the second switch tube T2 is connected to the third switch tube T3
  • the drain of the second switch tube T2 is connected to the anode of the first light-emitting diode D1, and is used to control the electrical conduction between the source and the drain according to the data signal, so as to control the electrical conduction between the third switch tube T3 and the first light-emitting diode D1.
  • One end of the first capacitor C1 is connected to the drain of the first switch tube T1, and the other end is connected to the cathode of the first light-emitting diode D1, and is used to receive the data signal from the drain of the first switch tube T1 for charging, and provide a stable voltage when the first light-emitting diode D1 emits light.
  • the gate of the third switch tube T3 is connected to the first control signal E1
  • the source of the third switch tube T3 is connected to the first driving voltage V1
  • the drain of the third switch tube T3 is connected to the source of the second switch tube T2, so as to control the source of the second switch tube T2 to be connected to the first driving voltage V1 according to the control signal
  • the first driving voltage V1 is connected to the anode of the first light-emitting diode D1 through the second switch tube T2.
  • the gate of the fourth switch tube T4 is connected to the first control signal E1
  • the source of the fourth switch tube T4 is connected to the cathode of the first light emitting diode D1
  • the drain of the fourth switch tube T4 is connected to the second driving voltage V2, which is used to control the cathode of the first light emitting diode D1 to connect to the second driving voltage V2 according to the first control signal E1. That is, the first driving The voltage V1 is connected to the anode of the first light emitting diode D1, and the second driving voltage V2 is controlled to be connected to the cathode of the first light emitting diode D1. At this time, the first driving voltage V1 is greater than the second driving voltage V2, thereby controlling the first light emitting diode D1 to emit light.
  • the gate of the fifth switch tube T5 is connected to the first conduction signal K1
  • the source of the fifth switch tube T5 is connected to the cathode of the first light-emitting diode D1
  • the drain of the fifth switch tube T5 is connected to the second display unit, and is used to control the charge in the first light-emitting diode D1 to be transferred to the second display unit according to the first conduction signal K1.
  • the second signal receiving module includes a sixth switch tube T6, the second voltage stabilizing module includes a seventh switch tube T7 and a second capacitor C2, the third conduction control module includes an eighth switch tube T8, the fourth conduction module includes a ninth switch tube T9, the second connection module includes a tenth switch tube T10, and the light-emitting module includes a second light-emitting diode D2.
  • the gate of the sixth switch tube T6 is connected to the j+1th scan line Gj+1, the source of the sixth switch tube T6 is connected to the k+1th data line Sk+1, and the drain of the sixth switch tube T6 is connected to the seventh switch tube T7, so as to receive a data signal from the kth data line Sk under the control of the scan signal and transmit the data signal to the seventh switch tube T7.
  • the gate of the seventh switch tube T7 is connected to the drain of the sixth switch tube T6, the source of the seventh switch tube T7 is connected to the eighth switch tube T8, and the drain of the seventh switch tube T7 is connected to the anode of the second light-emitting diode D2, and is used to control the electrical conduction between the source and the drain according to the data signal, so as to control the electrical conduction between the eighth switch tube T8 and the second light-emitting diode D2.
  • One end of the second capacitor C2 is connected to the drain of the sixth switch tube T6, and the other end is connected to the cathode of the second light-emitting diode D2, and is used to receive the data signal from the drain of the sixth switch tube T6 for charging, and provide a stable voltage when the second light-emitting diode D2 emits light.
  • the gate of the eighth switch tube T8 is connected to the second control signal E2
  • the source of the eighth switch tube T8 is connected to the second driving voltage V2
  • the drain of the eighth switch tube T8 is connected to the source of the seventh switch tube T7, so as to control the source of the seventh switch tube T7 to be connected to the second driving voltage V2 according to the control signal
  • the second driving voltage V2 is connected to the anode of the first light-emitting diode D1 through the seventh switch tube T7.
  • the gate of the ninth switch tube T9 is connected to the second control signal E2, the source of the ninth switch tube T9 is connected to the cathode of the second light-emitting diode D2, and the drain of the ninth switch tube T9 is connected to the first driving voltage V1, which is used to control the cathode of the second light-emitting diode D2 to be connected to the first driving voltage V1 according to the second control signal E2. That is, according to the second control signal E2, the second driving voltage V2 is controlled to be connected to the anode of the second light-emitting diode D2, and the first driving voltage V1 is controlled to be connected to the cathode of the second light-emitting diode D2. At this time, the second driving voltage V2 is greater than the first driving voltage V1, so as to control the second light-emitting diode D2 to emit light.
  • the gate of the tenth switch tube T10 is connected to the second conduction signal K2
  • the source of the tenth switch tube T10 is connected to the cathode of the second light-emitting diode D2
  • the drain of the tenth switch tube T10 is connected to the first display unit, and is used to control the charge in the second light-emitting diode D2 to be transferred to the first display unit according to the second conduction signal K2.
  • the source of the fifth switch tube T5 is connected to the cathode of the first light-emitting diode D1
  • the drain of the fifth switch tube T5 is connected to the source of the seventh switch tube T7, which is used to conduct the capacitance retained in the first light-emitting diode D1 to the source of the seventh switch tube T7 under the control of the adjustment signal R, and transmit it to the second light-emitting diode D2 through the seventh switch tube T7 for use when the second light-emitting diode D2 emits light.
  • the source of the tenth switch tube T10 is connected to the cathode of the second light-emitting diode D2, and the drain of the tenth switch tube T10 is connected to the source of the second switch tube T2, and is used to conduct the capacitance retained in the second light-emitting diode D2 to the source of the second switch tube T2 under the control of the adjustment signal R, and transmit it to the first light-emitting diode D1 via the seventh switch tube T7, for use when the first light-emitting diode D1 emits light.
  • the stored charges in the circuit can be effectively utilized to increase the response speed of the light emitting diode and save power consumption.
  • the regulating unit includes an eleventh switch tube T11, a gate of the eleventh switch tube T11 is connected to the regulating signal R, a source of the eleventh switch tube T11 is connected to the first driving voltage terminal, and a drain of the eleventh switch tube T11 is connected to the second driving voltage terminal. It is used to control the source and the drain to be conductive according to the adjustment signal R, so as to control the first driving voltage V1 and the second driving voltage V2 to be electrically conductive, and further control the first driving voltage V1 and the second driving voltage V2 to be reset to the middle voltage V0.
  • the first switch tube T1 to the eleventh switch tube T11 are thin film transistors.
  • FIG. 5 is a timing diagram of signals in the pixel unit in FIG. 4 .
  • the first signal receiving module 1511 in the first display unit 151 receives the scanning signal from the j-th scanning line Gj, and conducts the data signal to the first voltage stabilizing module 1512 according to the scanning signal, charges the first capacitor C1 in the first voltage stabilizing module 1512, and controls the source and drain of the second switch tube T2 in the first voltage stabilizing module 1512 to be electrically conductive.
  • the first conduction control module 1513 and the second conduction control module 1514 simultaneously receive the first control signal E1, the source and drain of the third switch tube T3 in the first conduction control module 1513 are electrically conductive, and the source and drain of the fourth switch tube T4 in the second conduction control module 1514 are electrically conductive, so as to control the anode of the first light-emitting diode D1 in the first light-emitting module 1515 to be connected to the first driving voltage V1, and the cathode to be connected to the second driving voltage V2.
  • the voltage value of the first driving voltage V1 is the first voltage v1
  • the voltage value of the second driving voltage V2 is the second voltage.
  • the first driving voltage V1 is greater than the second driving voltage V2, so as to drive the first light-emitting diode D1 to emit light, that is, to display the first frame image.
  • the fifth switch tube T5 in the first connection module 1516 receives the first conduction signal K1, and controls the source and drain of the fifth switch tube T5 to be electrically conductive according to the first conduction signal, so as to transfer the residual charge after the first light-emitting module 1515 finishes emitting light to the circuit in the second display unit 152.
  • the gate of the eleventh switch tube T11 in the adjustment unit 153 receives the adjustment signal R, and controls the source and drain of the eleventh switch tube T11 to be electrically conductive according to the adjustment signal R, so that the voltage value of the first driving voltage V1 is reset from the first voltage v1 to the intermediate voltage V0 and continues for a preset period, and then changes from the intermediate voltage V0 to the second voltage v2, so that the voltage value of the second driving voltage V2 is reset from the second voltage v2 to the intermediate voltage V0 and continues for a preset period, and then changes from the intermediate voltage V0 to the first voltage v1, and at this time, the voltage value of the second driving voltage V2 is greater than the voltage value of the first driving voltage V1.
  • the second signal receiving module 1521 in the second display unit 152 receives the scanning signal transmitted by the j+1th scanning line Gj+1, receives the data signal according to the scanning signal, and transmits the data signal to the second voltage stabilizing module 1522.
  • the second voltage stabilizing module 1522 charges the second capacitor C2 in the second voltage stabilizing module 1522 according to the received data signal, and controls the source and drain of the seventh switch tube T7 to be turned on.
  • the third conduction control module 1523 and the fourth conduction control module 1524 simultaneously receive the second control signal E2, the source and drain of the eighth switch tube T8 in the third conduction control module 1523 are electrically conducted, and the source and drain of the fourth switch tube T4 in the second conduction control module 1514 are electrically conducted, so as to control the anode of the second light-emitting diode D2 in the second light-emitting module 1525 to be connected to the second driving voltage V2, and the cathode to be connected to the first driving voltage V1, and the second driving voltage V2 is greater than the first driving voltage V1, so as to drive the second light-emitting diode D2 to emit light, that is, to display the second frame image.
  • the tenth switch tube T10 in the second connection module 1526 receives the second conduction signal, and controls the source and drain of the tenth switch tube T10 to be electrically conductive according to the second conduction signal, so as to transfer the residual charge after the second light-emitting module 1525 finishes emitting light to the circuit of the first display unit 151.
  • the gate of the eleventh switch tube T11 in the adjustment unit 153 receives the adjustment signal R, and controls the source and drain of the eleventh switch tube to be electrically conductive according to the adjustment signal R, so that the voltage value of the first driving voltage V1 is reset from the second voltage v2 to the intermediate voltage V0 and continues for a preset period of time, and then changes from the intermediate voltage to the first voltage v1, so that the voltage value of the second driving voltage V2 is reset from the first voltage v1 to the intermediate voltage V0 and continues for a preset period of time, and then changes from the intermediate voltage V0 to the second voltage v2, and at this time, the voltage value of the first driving voltage V1 is greater than the voltage value of the second driving voltage V2.
  • the two light emitting diodes emit light alternately in a continuous multi-frame image, which effectively reduces the light emitting time of a single light emitting diode and improves
  • the light-emitting life of the pixel unit is prolonged, and the two light-emitting diodes can share charges when emitting light alternately, transferring the remaining charges in the light-emitting diode that has finished emitting light to the other light-emitting diode for use when the other light-emitting diode emits light, which greatly reduces the power consumption of the pixel unit when emitting light.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

一种显示面板(13)、显示模组(10)与显示装置(100),显示面板(13)包括呈矩阵排列设置的多个像素单元(15),像素单元(15)包括第一显示单元(151)和第二显示单元(152),第一显示单元(151)与第二显示单元(152)并联连接于第一驱动电压端与第二驱动电压端之间,分别接收第一驱动电压(V1)与第二驱动电压(V2)。在连续两帧图像显示过程中,在第一帧图像显示时,第一驱动电压(V1)大于第二驱动电压(V2),第一驱动电压(V1)与第二驱动电压(V2)配合驱动第一显示单元(151)进行图像显示,在第二帧图像显示时,第二驱动电压(V2)大于第一驱动电压(V1),第一驱动电压(V1)与第二驱动电压(V2)配合驱动第二显示单元(152)进行图像显示。

Description

显示面板、显示模组与显示装置
本申请要求于2022年09月26日提交中国专利局、申请号为202211175495.2、申请名称为“显示面板、显示模组与显示装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域,尤其涉及显示面板、显示模组与显示装置。
背景技术
有机发光二极管(Organic Light-Emitting Diode,OLED)显示装置具有自发光,驱动电压低、发光效率高、响应时间短、清晰度与对比度高、近180°视角、使用温度范围宽,可实现柔性显示与大面积全色显示等诸多优点,被业界认为是最具有发展潜力的显示装置。
目前,在显示面板中OLED一般采用直流驱动,而采用直流驱动方式会引起像素单元中的薄膜晶体管(Thin Film Transistor,TFT)持续工作,从而导致TFT持续发热,进而降低了TFT的使用寿命。并且像素单元中仅设置了一个发光二极管,由于发光二极管持续工作,使得发光二极管的寿命也比较短,进而导致使用成本较高。
发明内容
鉴于上述现有技术的不足,本申请提供一种像素单元中两个发光二极管交替显示的显示面板、显示模组和显示装置。
一种显示面板,包括多个呈矩阵排列设置的多个像素单元,多个像素单元接收用于执行图像显示的数据信号。像素单元包括第一显示单元和第二显示单元,第一显示单元与第二显示单元并联连接于第一驱动电压端与第二驱动电压端之间,第一驱动电压端用于接收第一驱动电压,第二驱动电压端用于接收第二驱动电压。在连续两帧图像显示过程中,在第一帧图像显示时,第一驱动电压大于第二驱动电压,第一驱动电压与第二驱动电压配合驱动第一显示单元进行图像显示,在第二帧图像显示时,第二驱动电压大于第一驱动电压,第一驱动电压与第二驱动电压配合驱动第二显示单元进行图像显示。第一显示单元与第二显示单元在第一驱动电压与第二驱动电压的配合驱动下依次交替显示多帧图像。
可选地,显示面板还包括多条沿第一方向延伸的扫描线和多条沿第二方向延伸的数据线,第一方向与第二方向相互垂直,多条扫描线和多条数据线交叉部对应设置像素单元,像素单元自扫描线接收扫描信号并在扫描信号的控制下接收用于图像显示的数据信号。像素单元还包括调节单元,调节单元与第一显示单元和第二显示单元并联连接于第一驱动电压与第二驱动电压之间,用于在连续两帧图像显示过程中,在第一帧图像显示结束且第二帧图像开始显示之前,将第一驱动电压与第二驱动电压之间电性导通,以平衡第一驱动电压与第二驱动电压之间的电荷。
可选地,第一显示单元包括第一信号接收模块、第一稳压模块和第一发光模块,第一信号接收模块连接于数据线和扫描线,自扫描线接收扫描信号,用于自数据线接收数据信号,并将数据信号传输至第一稳压模块。第一稳压模块连接于第一信号接收模块与第一发光模块,用于自第一信号接收模块接收数据信号并进行存储,在第一发光模块发光时,为第一发光模块提供稳定的电压。第一发光模块用于在接入第一驱动电压与第二驱动电压时进行发光。
可选地,第一显示单元还包括第一导通控制模块和第二导通控制模块,第一导通控制模块连接于第一稳压模块和第一驱动电压端并接入第一控制信号,用于依据第一控制信号控制第一驱动电压端与第一稳压模块电性连接,并经第一稳压模块电性连接于第一发光模块。第二导通控制模块连接于第一发光模块和第二驱动电压端并接入第一控制信号,用于依据第一控制信号控制第二驱动电压端与第一发光模块电性连接。当第一驱动电压大于第二驱动电压时,第一驱动电压端、第一导通控制模块、第一稳压模块、第一发光模块、第二导通控制模块和第二驱动电压端之间形成输出回路,以驱动第一发光模块发光。
可选地,第一显示单元还包括第一连接模块,第一连接模块连接于第一发光模块与第二显示单元之间并接入第一导通信号,用于在第一导通信号的控制下将第一发光模块发光结束后存留的电荷传输至第二显示单元,以供第二显示单元进行图像显示时使用。
可选地,第二显示单元包括第二信号接收模块、第二稳压模块和第二发光模块,第二信号接收模块连接于数据线和扫描线,用于自扫描线接收扫描信号,自数据线接收数据信号,并将数据信号传输至第二稳压模块。第二稳压模块连接于第二信号接收模块与第二发光模块,用于自第二信号接收模块接收数据信号并进行存储,在第二发光模块发光时,为第二发光模块提供稳定的电压。第二发光模块用于在接入第一驱动电压端与第二驱动电压端时发光。
可选地,第二显示单元还包括第三导通控制模块和第四导通控制模块,第三导通控制模块连接于第二稳压模块和第二驱动电压端并接入第二控制信号,用于依据第二控制信号控制第二驱动电压端与第二稳压模块电性连接,并经第二稳压模块电性连接于第二发光模块。第四导通控制模块连接于第二发光模块和第一驱动电压端并接入第二控制信号,用于依据第二控制信号控制第一驱动电压端与第二发光模块电性连接。当第二驱动电压大于第一驱动电压时,第二驱动电压端、第三导通控制模块、第二稳压模块、第二发光模块、第四导通控制模块和第一驱动电压端之间形成输出回路,以驱动第二发光模块发光。
可选地,第二显示单元还包括第二连接模块,第二连接模块连接于第二发光模块与第一显示单元之间并接入第二导通信号,用于在第二导通信号的控制下将第二发光模块发光结束后存留的电荷传输至第一显示单元,以供第一显示单元进行图像显示时使用。
本申请还公开一种显示模组,包括数据驱动电路、扫描驱动电路、显示控制电路、发光控制器和前述的显示面板,数据驱动电路用于自显示控制电路接收源极输出控制信号并依据源极输出信号输出数据信号,扫描驱动电路用于自显示控制电路接收栅极输出控制信号并依据栅极输出控制信号输出扫描信号,显示面板中的像素单元依据扫描信号和数据信号在发光控制器的控制下执行图像显示。
本申请还公开一种显示装置,包括支撑框架、电源模组和前述的显示模组,电源模组为显示面板进行图像显示提供电源电压,显示模组与电源模组固定于支撑框架。
相较于现有技术,通过设置第一发光二极管和第二发光二极管并分别采用交流电压进行驱动,使得两个发光二极管在连续多帧图像时交替轮流发光,有效降低了单一发光二极管的发光时间,提升了像素单元的发光寿命,并且两个发光二极管在交替进行发光时,可进行电荷分享,将发光结束的发光二极管中的存留电荷传输至另一发光二极管,供另一发光二极管进行发光时使用,极大地降低了像素单元发光时的功耗。
附图说明
为了更清楚地说明本申请实施例中的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本申请的一些实施例,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。
图1为本申请一实施例提供的一种显示装置的结构示意图;
图2为图1中显示模组的平面布局结构示意图;
图3为图2中像素单元的方框示意图;
图4为图3中像素单元的等效电路图;
图5为图4中像素单元中的信号时序图。
附图标记说明:
显示装置-100、显示模组-10、电源模组-20、支撑框架-30、数据驱动电路-11、扫描驱动电路-12、显示面板-13、显示区域-13a、显示控制电路-14、像素单元-15、发光控制器-16、第一方向-F1、第二方向-F2、时钟信号-CLK、数据线-S、扫描线-G、数据信号-Data、水平同步信号-Hsyn、垂直同步信号-Vsyn、栅极输出控制信号-Cg、源极输出控制信号-Cs、第一显示单元-151、第二显示单元-152、调节单元-153、第一驱动电压-V1、第二驱动电压-V2、中间电压-V0、第一电压-v1、第二电压-v2、第一信号接收模块-1511、第一稳压模块-1512、第一导通控制模块-1513、第二导通控制模块-1514、第一发光模块-1515、第一连接模块-1516、第二信号接收模块-1521、第二稳压模块-1522、第三导通控制模块-1523、第四导通控制模块-1524、第二发光模块-1525、第二连接模块-1526、第一开关管-T1、第二开关管-T2、第一电容-C1、第三开关管-T3、第四开关管-T4、第一发光二极管-D1、第五开关管-T5、第一控制信号-E1、第一导通信号-K1、第六开关管-T6、第七开关管-T7、第八开关管-T8、第九开关管-T9、第十开关管-T10、第二发光二极管-D2、第二导通信号-K2、第十一开关管-T11、调节信号-R。
具体实施方式
为了便于理解本申请,下面将参照相关附图对本申请进行更全面的描述。附图中给出了本申请的较佳实施方式。但是,本申请可以以许多不同的形式来实现,并不限于本文所描述的实施方式。相反地,提供这些实施方式的目的是使对本申请的公开内容理解的更加透彻全面。
以下各实施例的说明是参考附加的图示,用以例示本申请可用以实施的特定实施例。本文中为部件所编序号本身,例如“第一”、“第二”等,仅用于区分所描述的对象,不具有任何顺序或技术含义。而本申请所说“连接”、“联接”,如无特别说明,均包括直接和间接连接(联接)。本申请中所提到的方向用语,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,使用的方向用语是为了更好、更清楚地说明及理解本申请,而不是指示或暗指所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。
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,也可以是可拆卸地连接,或者一体地连接;可以是机械连接;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。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本申请中的具体含义。需要说明的是,本申请的说明书和权利要求书及附图中的术语“第一”、“第二”等是用于区别不同对象,而不是用于描述特定顺序。
此外,本申请中使用的术语“包括”、“可以包括”、“包含”、或“可以包含”表示公开的相应功能、操作、元件等的存在,并不限制其他的一个或多个更多功能、操作、元件等。此外,术语“包括”或“包含”表示存在说明书中公开的相应特征、数目、步骤、操作、元素、部件或 其组合,而并不排除存在或添加一个或多个其他特征、数目、步骤、操作、元素、部件或其组合,意图在于覆盖不排他的包含。此外,当描述本申请的实施方式时,使用“可”表示“本申请的一个或多个实施方式”。并且,用语“示例性的”旨在指代示例或举例说明。
除非另有定义,本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施方式的目的,不是旨在于限制本申请。
请参阅图1,图1为本申请第一实施例提供的一种显示装置100的结构示意图。显示装置100包括显示模组10、电源模组20和支撑框架30,显示模组10与电源模组20固定于支撑框架30,电源模组20设置于显示模组10的背面也即是显示模组10的非显示面。电源模组20用于为显示模组10进行图像显示提供电源电压,支撑框架30为显示模组10和电源模组20提供固定与保护作用。
请参阅图2,图2为图1中显示模组10的平面布局结构示意图。
如图2所示,显示模组10包括数据驱动电路11、扫描驱动电路12和显示面板13、显示控制电路14和发光控制器16。数据驱动电路11、扫描驱动电路12、显示控制电路14和发光控制器16设置于显示面板13的非显示区域。
在显示面板13的显示区域13a设置有互相呈网格状设置的多条数据线(Source line)S1-Sm和多条扫描线(Gate line)G1-Gn。其中,多条扫描线G1-Gn沿着第一方向F1延伸,多条数据线S1-Sm沿着第二方向F2延伸,第一方向F1与第二方向F2相互垂直。
多条扫描线G1-Gn和数据线S1-Sm的交叉部均对应设置像素单元15。本实施例中,像素单元15可分别表示为P11-P1m,P21-P2m,……,Pn1-Pnm。
扫描线G1-Gn连接扫描驱动电路12,自扫描驱动电路12接收扫描信号,数据线S1-Sm连接数据驱动电路11,用于接收数据驱动电路11提供的以灰阶值形式保存并传输的数据信号Data。
像素单元15在扫描线G1-Gn的控制下在预定时间段接收数据线S1-Sm提供的对应数据信号Data中灰阶值的数据电压,并据此进行图像显示。
显示控制电路14从外部信号源接收表示图像信息的图像信号、取得同步用的时钟信号CLK、水平同步信号Hsyn及垂直同步信号Vsyn,并输出供控制扫描驱动电路12使用的栅极输出控制信号Cg、供控制数据驱动电路11使用的源极输出控制信号Cs及表示图像信息的数据信号Data。本实施例中,显示控制电路14对原数据信号进行数据调整处理后获得数据信号Data,并且将数据信号Data传输至数据驱动电路11。
扫描驱动电路12接收显示控制电路14输出的栅极输出控制信号Cg,向各扫描线G1-Gn输出扫描信号。数据驱动电路11接收显示控制电路14输出的源极输出控制信号Cs,并向各数据线S1-Sm输出在显示区域13a中各个像素单元15中驱动元件执行图像显示用的数据信号Data。其中,提供到显示面板13中数据信号Data为模拟形式的灰阶电压。扫描驱动电路12输出扫描信号控制像素单元15接收数据驱动电路11输出数据信号Data。发光控制器16用于向多个像素单元15施加发光控制信号以控制像素单元15发光,进而控制像素单元15执行图像显示。
请一并参阅图3,图3为图2中像素单元的方框示意图。
如图3所示,像素单元15包括第一显示单元151、第二显示单元152和调节单元153,第一显示单元151、第二显示单元152与调节单元153并联连接于第一驱动电压端(未标识)与第二驱动电压端(未标识)之间,第一驱动电压端用于接收第一驱动电压V1,第二驱动电 压端用于接收第二驱动电压V2。
第一驱动电压V1与第二驱动电压V2为交变电压,第一驱动电压V1与第二驱动电压V2的电压值在第一电压v1与第二电压v2之间呈周期性变化,也即是按照一帧图像时长为周期,第一驱动电压V1与第二驱动电压V2按照周期相同、电压大小相等、相位相反交替变化,其中第一电压v1大于第二电压v2。
在连续两帧图像显示过程中,在第一帧图像显示时,第一驱动电压V1大于第二驱动电压V2,第一驱动电压V1与第二驱动电压V2之间形成由第一驱动电压V1向第二驱动电压V2的电压差,并配合驱动第一显示单元151进行图像显示。
在第二帧图像显示时,第二驱动电压V2大于第一驱动电压V1时,第一驱动电压V1与第二驱动电压V2之间形成由第二驱动电压V2向第一驱动电压V1的电压差,并配合驱动第二显示单元152进行图像显示。
第一显示单元151与第二显示单元152在第一驱动电压V1与第二驱动电压V2的配合驱动下依次交替显示图像,也即是当第一驱动电压V1的电压值为第一电压v1,第二驱动电压V2的电压值为v2时,第一显示单元151进行图像显示,当第二驱动电压V2的电压值为第一电压v1,第一驱动电压V1的电压值为第二电压v2时,第二显示单元152进行图像显示。
调节单元153接收一调节信号R,用于依据调节信号R在连续两帧图像显示的空白时段,也即是在一帧图像显示结束、第二帧图像显示前,将第一驱动电压端与第二驱动电压端之间电性导通,以将第一驱动电压V1与第二驱动电压V2进行电荷共享,并维持在中间电压V0。
第一显示单元151电性连接于第二显示单元152,用于在第一显示单元151与第二显示单元152交替进行图像显示时,进行电荷共享,第一显示单元151显示完成后将剩余电荷传输至第二显示单元152,用于第二显示单元152进行图像显示,或第二显示单元152显示完成后将剩余电荷传输至第一显示单元151,用于第一显示单元151进行图像显示。
在连续多帧图像显示过程中,第一显示单元151对应第一帧图像进行显示,则第二显示单元152对应第二帧图像进行显示,在第一帧图像显示完成之后,第一驱动电压V1与第二驱动电压V2周期变化至中间电压V0,并维持预设时长后,第一驱动电压V1与第二驱动电压V2在第二帧图像显示时,第二驱动电压V2控制第二显示单元152显示图像。
其中,中间电压V0为第一驱动电压V1与第二驱动电压V2之和的平均值,即V0=(V1+V2)/2。也即是第一驱动电压V1与中间电压V0之差等于第二驱动电压V2与中间电压V0之差,第一驱动电压V1与第二驱动电压V2围绕中间电压V0呈周期性变化。
请参阅图4,图4为图3中像素单元15的等效电路图。
如图4所示,第一显示单元151包括第一信号接收模块1511、第一稳压模块1512、第一导通控制模块1513、第二导通控制模块1514、第一发光模块1515和第一连接模块1516。
其中,第一信号接收模块1511连接于第k数据线Sk(1≤k≤m-1)和第j扫描线Gj(1≤j≤n-1),用于自第k数据线Sk接收数据信号,自第j扫描线接收扫描信号。
第一稳压模块1512连接于第一信号接收模块1511、第一发光模块1515和第一导通控制模块1513,用于自第一信号接收模块1511接收数据信号,并依据数据信号控制第一导通控制模块1513与第一发光模块1515电性导通。
第一导通控制模块1513经第一稳压模块1512连接于第一发光模块1515,并接入第一控制信号以及第一驱动电压V1,第二导通控制模块1514连接于第一发光模块1515,并接入第一控制信号以及第二驱动电压V2。第一导通控制模块1513与第二导通控制模块1514用于依据第一控制信号控制第一发光模块1515接入第一驱动电压V1与第二驱动电压V2,并在第 一驱动电压V1与第二驱动电压V2形成的通路下发光。此时,第一驱动电压V1大于第二驱动电压V2,电流方向为第一驱动电压V1至第二驱动电压V2。
第一连接模块1516连接于第一发光模块1515与第二显示单元152之间,并接入第一导通信号K1,用于在第一导通信号K1的控制下将第一发光模块1515发光完成后存留的电荷传输至第二显示单元152,以用于第二显示单元152显示时使用。
第二显示单元152包括第二信号接收模块1521、第二稳压模块1522、第三导通控制模块1523、第四导通控制模块1524、第二发光模块1525和第二连接模块1526。
第二信号接收模块1521连接于第k+1数据线Sk+1和第j+1扫描线Gj+1,用于自第k+1数据线接收数据信号,自第j+1扫描线接收扫描信号。
第二稳压模块1522连接于第二信号接收模块1521、第二发光模块1525和第三导通控制模块1523,用于自第二信号接收模块1521接收数据信号,并依据数据信号控制第三导通控制模块1523与第二发光模块1525电性导通。
第三导通控制模块1523经第二稳压模块1522连接于第二发光模块1525,并接入第二控制信号以及第二驱动电压V2,第四导通控制模块1524连接于第二发光模块1525,并接入第二控制信号以及第一驱动电压V1。第三导通控制模块1523与第四导通控制模块1524用于依据第二控制信号控制第二发光模块1525接入第一驱动电压V1与第二驱动电压V2,并在第一驱动电压V1与第二驱动电压V2形成的通路下发光。此时第二驱动电压V2大于第一驱动电压V1,电流方向为第二驱动电压V2至第一驱动电压V1。
第二连接模块1526连接于第二发光模块1525与第一显示单元151之间,并接入第二导通信号K2,用于在第二导通信号K2的控制下将第二发光模块1525发光完成后存留的电荷传输至第一显示单元151,以用于第二显示单元152显示时使用。
具体地,在第一显示单元151中,第一信号接收模块1511包括第一开关管T1,第一稳压模块包括第二开关管T2和第一电容C1,第一导通控制模块包括第三开关管T3,第二导通控制模块包括第四开关管T4,发光模块包括第一发光二极管D1,第一连接模块包括第五开关管T5。
第一开关管T1的栅极连接于第j扫描线Gj,第一开关管T1的源极连接于第k数据线Sk,第一开关管T1的漏极连接于第二开关管T2,用于在扫描信号的控制下自第k数据线Sk接收数据信号,并将数据信号传输至第二开关管T2。
第二开关管T2的栅极连接于第一开关管T1的漏极,第二开关管T2的源极连接于第三开关管T3,第二开关管T2的漏极连接于第一发光二极管D1的阳极,用于依据数据信号控制源极与漏极电性导通,以控制第三开关管T3与第一发光二极管D1电性导通。第一电容C1一端连接于第一开关管T1的漏极,另一端连接于第一发光二极管D1的阴极,用于自第一开关管T1的漏极接收数据信号进行充电,并在第一发光二极管D1发光时,提供稳定的电压。
第三开关管T3的栅极接入第一控制信号E1,第三开关管T3的源极接入第一驱动电压V1,第三开关管T3的漏极连接第二开关管T2的源极,用于依据控制信号控制第二开关管T2的源极接入第一驱动电压V1,第一驱动电压V1经第二开关管T2接入第一发光二极管D1的阳极。
第四开关管T4的栅极接入第一控制信号E1,第四开关管T4的源极连接第一发光二极管D1的阴极,第四开关管T4的漏极接入第二驱动电压V2,用于依据第一控制信号E1控制第一发光二极管D1的阴极接入第二驱动电压V2。也即是依据第一控制信号E1控制第一驱动 电压V1接入第一发光二极管D1的阳极,控制第二驱动电压V2接入第一发光二极管D1的阴极,此时第一驱动电压V1大于第二驱动电压V2,从而控制第一发光二极管D1发光。
第五开关管T5的栅极接入第一导通信号K1,第五开关管T5的源极连接于第一发光二极管D1的阴极,第五开关管T5的漏极连接于第二显示单元,用于依据第一导通信号K1控制第一发光二极管D1中的电荷传输至第二显示单元。
在第二显示单元中,第二信号接收模块包括第六开关管T6,第二稳压模块包括第七开关管T7和第二电容C2,第三导通控制模块包括第八开关管T8,第四导通模块包括第九开关管T9,第二连接模块包括第十开关管T10,发光模块包括第二发光二极管D2。
其中第六开关管T6的栅极连接于第j+1扫描线Gj+1,第六开关管T6的源极连接于第k+1数据线Sk+1,第六开关管T6的漏极连接于第七开关管T7,用于在扫描信号的控制下自第k数据线Sk接收数据信号,并将数据信号传输至第七开关管T7。
第七开关管T7的栅极连接于第六开关管T6的漏极,第七开关管T7的源极连接于第八开关管T8,第七开关管T7的漏极连接于第二发光二极管D2的阳极,用于依据数据信号控制源极与漏极电性导通,以控制第八开关管T8与第二发光二极管D2电性导通。第二电容C2一端连接于第六开关管T6的漏极,另一端连接于第二发光二极管D2的阴极,用于自第六开关管T6的漏极接收数据信号进行充电,并在第二发光二极管D2发光时,提供稳定的电压。
第八开关管T8的栅极接入第二控制信号E2,第八开关管T8的源极接入第二驱动电压V2,第八开关管T8的漏极连接第七开关管T7的源极,用于依据控制信号控制第七开关管T7的源极接入第二驱动电压V2,第二驱动电压V2经第七开关管T7接入第一发光二极管D1的阳极。
第九开关管T9的栅极接入第二控制信号E2,第九开关管T9的源极连接第二发光二极管D2的阴极,第九开关管T9的漏极接入第一驱动电压V1,用于依据第二控制信号E2控制第二发光二极管D2的阴极接入第一驱动电压V1。也即是依据第二控制信号E2控制第二驱动电压V2接入第二发光二极管D2的阳极,控制第一驱动电压V1接入第二发光二极管D2的阴极,此时第二驱动电压V2大于第一驱动电压V1,从而控制第二发光二极管D2发光。
第十开关管T10的栅极接入第二导通信号K2,第十开关管T10的源极连接于第二发光二极管D2的阴极,第十开关管T10的漏极连接于第一显示单元,用于依据第二导通信号K2控制第二发光二极管D2中的电荷传输至第一显示单元。
其中,第五开关管T5的源极连接于第一发光二极管D1的阴极,第五开关管T5的漏极连接于第七开关管T7的源极,用于在调节信号R的控制下将第一发光二极管D1中存留的电容导通至第七开关管T7的源极,并经第七开关管T7传输至第二发光二极管D2,用于在第二发光二极管D2发光时使用。
第十开关管T10的源极连接于第二发光二极管D2的阴极,第十开关管T10的漏极连接于第二开关管T2的源极,用于在调节信号R的控制下将第二发光二极管D2中存留的电容导通至第二开关管T2的源极,并经第七开关管T7传输至第一发光二极管D1,用于在第一发光二极管D1发光时使用。
通过第一连接模块与第二连接模块的设置,可有效利用电路中的存留电荷,以提升发光二极管的响应速度,同时节省电能消耗。
调节单元包括第十一开关管T11,第十一开关管T11的栅极连接于调节信号R,第十一开关管T11的源极连接于第一驱动电压端,第十一开关管T11的漏极连接于第二驱动电压端, 用于依据调节信号R控制源极与漏极导通,以控制第一驱动电压V1与第二驱动电压V2电性导通,进而控制第一驱动电压V1与第二驱动电压V2复位至中间电压V0。
其中,第一开关管T1至第十一开关管T11为薄膜晶体管。
请参阅图5,图5为图4中像素单元中的信号时序图。
如图5所示,像素单元15进行图像显示过程中,在第一时段t1,第一显示单元151中的第一信号接收模块1511自第j扫描线Gj接收扫描信号,并依据扫描信号将数据信号导通至第一稳压模块1512,为第一稳压模块1512中的第一电容C1充电,并控制第一稳压模块1512中的第二开关管T2的源极与漏极电性导通。
在第二时段t2,第一导通控制模块1513和第二导通控制模块1514同时接收第一控制信号E1,第一导通控制模块1513中的第三开关管T3的源极与漏极电性导通,第二导通控制模块1514中的第四开关管T4的源极与漏极电性导通,以控制第一发光模块1515中的第一发光二极管D1的阳极接入第一驱动电压V1,阴极接入第二驱动电压V2,此时第一驱动电压V1的电压值为第一电压v1,第二驱动电压V2的电压值为第二电压,第一驱动电压V1大于第二驱动电压V2,以驱动第一发光二极管D1发光即显示第一帧图像。
在第三时段t3,第一连接模块1516中的第五开关管T5接收第一导通信号K1,并依据第一导通信号控制第五开关管T5的源极与漏极电性导通,用于将第一发光模块1515发光结束后残留的电荷传输至第二显示单元152中的电路中。同时,调节单元153中的第十一开关管T11的栅极接收调节信号R,并依据调节信号R控制第十一开关管T11的源极与漏极电性导通,使得第一驱动电压V1的电压值由第一电压v1复位至中间电压V0并持续预设时段后,由中间电压V0变化为第二电压v2,使得第二驱动电压V2的电压值由第二电压v2复位至中间电压V0并持续预设时段后,由中间电压V0变为第一电压v1,此时第二驱动电压V2的电压值大于第一驱动电压V1的电压值。
在第四时段t4,第二显示单元152中第二信号接收模块1521接收第j+1扫描线Gj+1传输的扫描信号,并依据扫描信号接收数据信号并将数据信号传输至第二稳压模块1522。第二稳压模块1522依据接收的数据信号对第二稳压模块1522中的第二电容C2进行充电,并控制第七开关管T7的源极与漏极导通。
在第五时段t5,第三导通控制模块1523和第四导通控制模块1524同时接收第二控制信号E2,第三导通控制模块1523中第八开关管T8的源极与漏极电性导通,第二导通控制模块1514中第四开关管T4的源极与漏极电性导通,以控制第二发光模块1525中的第二发光二极管D2的阳极接入第二驱动电压V2,阴极接入第一驱动电压V1,第二驱动电压V2大于第一驱动电压V1,以驱动第二发光二极管D2发光即显示第二帧图像。
在第六时段t6,第二连接模块1526中的第十开关管T10接收第二导通信号,并依据第二导通信号控制第十开关管T10的源极与漏极电性导通,用于将第二发光模块1525发光结束后残留的电荷传输至第一显示单元151的电路中。同时调节单元153中的第十一开关管T11的栅极接收调节信号R,并依据调节信号R控制第十一开关管的源极与漏极电性导通,使得第一驱动电压V1的电压值由第二电压v2复位至中间电压V0并持续预设时段后,由中间电压变为第一电压v1,使得第二驱动电压V2的电压值由第一电压v1复位至中间电压V0并持续预设时段后,由中间电压V0变为第二电压v2,此时第一驱动电压V1的电压值大于第二驱动电压V2的电压值。
通过设置第一发光二极管和第二发光二极管并分别采用交流电压进行驱动,使得两个发光二极管在连续多帧图像时交替轮流发光,有效降低了单一发光二极管的发光时间,提升了 像素单元的发光寿命,并且两个发光二极管在交替进行发光时,可进行电荷分享,将发光结束的发光二极管中的存留电荷传输至另一发光二极管,供另一发光二极管进行发光时使用,极大地降低了像素单元发光时的功耗。
应当理解的是,本发明的应用不限于上述的举例,对本领域普通技术人员来说,可以根据上述说明加以改进或变换,所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (10)

  1. 一种显示面板,包括多个呈矩阵排列设置的多个像素单元,所述多个像素单元接收用于执行图像显示的数据信号;
    其特征在于,所述像素单元包括第一显示单元和第二显示单元,所述第一显示单元与所述第二显示单元并联连接于第一驱动电压端与第二驱动电压端之间,所述第一驱动电压端用于接收第一驱动电压,所述第二驱动电压端用于接收第二驱动电压;
    在连续两帧图像显示过程中,在第一帧图像显示时,所述第一驱动电压大于所述第二驱动电压,所述第一驱动电压与所述第二驱动电压配合驱动所述第一显示单元进行图像显示;
    在第二帧图像显示时,所述第二驱动电压大于所述第一驱动电压,所述第一驱动电压与所述第二驱动电压配合驱动所述第二显示单元进行图像显示;
    所述第一显示单元与所述第二显示单元在所述第一驱动电压与所述第二驱动电压的配合驱动下依次交替显示多帧图像。
  2. 如权利要求1所述的显示面板,其特征在于,
    所述显示面板还包括多条沿第一方向延伸的扫描线和多条沿第二方向延伸的数据线,所述第一方向与所述第二方向相互垂直,多条所述扫描线和多条所述数据线交叉部对应设置所述像素单元,所述像素单元自所述扫描线接收扫描信号并在所述扫描信号的控制下接收用于图像显示的数据信号;
    所述像素单元还包括调节单元,所述调节单元与所述第一显示单元和所述第二显示单元并联连接于所述第一驱动电压端与所述第二驱动电压端之间,用于在连续两帧图像显示过程中,在第一帧图像显示结束且第二帧图像开始显示之前,将所述第一驱动电压端与所述第二驱动电压端之间电性导通,以平衡所述第一驱动电压端与所述第二驱动电压端之间的电荷。
  3. 如权利要求2所述的显示面板,其特征在于,所述第一显示单元包括第一信号接收模块、第一稳压模块和第一发光模块,
    所述第一信号接收模块连接于所述数据线和所述扫描线,自所述扫描线接收所述扫描信号,用于自所述数据线接收所述数据信号,并将所述数据信号传输至所述第一稳压模块;
    所述第一稳压模块连接于所述第一信号接收模块与所述第一发光模块,用于自所述第一信号接收模块接收所述数据信号并进行存储,在所述第一发光模块发光时,为所述第一发光模块提供稳定的电压;
    所述第一发光模块用于在接入所述第一驱动电压与所述第二驱动电压时进行发光。
  4. 如权利要求3所述的显示面板,其特征在于,所述第一显示单元还包括第一导通控制模块和第二导通控制模块,所述第一导通控制模块连接于所述第一稳压模块和所述第一驱动电压端并接入第一控制信号,用于依据所述第一控制信号控制所述第一驱动电压端与所述第一稳压模块电性连接,并经所述第一稳压模块电性连接于所述第一发光模块;
    所述第二导通控制模块连接于所述第一发光模块和所述第二驱动电压端并接入所述第一控制信号,用于依据所述第一控制信号控制所述第二驱动电压端与所述第一发光模块电性连接;
    当所述第一驱动电压大于所述第二驱动电压时,所述第一驱动电压端、所述第一导通控制模块、所述第一稳压模块、所述第一发光模块、所述第二导通控制模块和所述第二驱动电 压端之间形成输出回路,以驱动所述第一发光模块发光。
  5. 如权利要求4所述的显示面板,其特征在于,所述第一显示单元还包括第一连接模块,所述第一连接模块连接于所述第一发光模块与所述第二显示单元之间并接入第一导通信号,用于在所述第一导通信号的控制下将所述第一发光模块发光结束后存留的电荷传输至所述第二显示单元,以供所述第二显示单元进行图像显示时使用。
  6. 如权利要求2所述的显示面板,其特征在于,所述第二显示单元包括第二信号接收模块、第二稳压模块和第二发光模块,所述第二信号接收模块连接于所述数据线和所述扫描线,用于自所述扫描线接收所述扫描信号,自所述数据线接收所述数据信号,并将所述数据信号传输至所述第二稳压模块;
    所述第二稳压模块连接于所述第二信号接收模块与所述第二发光模块,用于自所述第二信号接收模块接收所述数据信号并进行存储,在所述第二发光模块发光时,为所述第二发光模块提供稳定的电压;
    所述第二发光模块用于在接入所述第一驱动电压端与所述第二驱动电压端时发光。
  7. 如权利要求6所述的显示面板,其特征在于,所述第二显示单元还包括第三导通控制模块和第四导通控制模块,所述第三导通控制模块连接于所述第二稳压模块和第二驱动电压端并接入第二控制信号,用于依据所述第二控制信号控制所述第二驱动电压端与所述第二稳压模块电性连接,并经所述第二稳压模块电性连接于所述第二发光模块;
    所述第四导通控制模块连接于所述第二发光模块和所述第一驱动电压端并接入所述第二控制信号,用于依据所述第二控制信号控制所述第一驱动电压端与所述第二发光模块电性连接;
    当所述第二驱动电压大于所述第一驱动电压时,所述第二驱动电压端、所述第三导通控制模块、所述第二稳压模块、所述第二发光模块、所述第四导通控制模块和所述第一驱动电压端之间形成输出回路,以驱动所述第二发光模块发光。
  8. 如权利要求7所述的显示面板,其特征在于,所述第二显示单元还包括第二连接模块,所述第二连接模块连接于所述第二发光模块与所述第一显示单元之间并接入第二导通信号,用于在所述第二导通信号的控制下将所述第二发光模块发光结束后存留的电荷传输至所述第一显示单元,以供所述第一显示单元进行图像显示时使用。
  9. 一种显示模组,其特征在于,包括数据驱动电路、扫描驱动电路、显示控制电路、发光控制器和如权利要求1-8中任意一项所述的显示面板,所述数据驱动电路用于自显示控制电路接收源极输出控制信号并依据所述源极输出控制信号输出数据信号,所述扫描驱动电路用于自所述显示控制电路接收栅极输出控制信号并依据所述栅极输出控制信号输出扫描信号,所述显示面板中的像素单元依据所述扫描信号和所述数据信号在所述发光控制器的控制下执行图像显示。
  10. 一种显示装置,其特征在于,包括支撑框架、电源模组和如权利要求9所述的显示模组,所述电源模组为所述显示面板进行图像显示提供电源电压,所述显示模组与所述电源模 组固定于所述支撑框架。
PCT/CN2023/094775 2022-09-26 2023-05-17 显示面板、显示模组与显示装置 WO2024066394A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211175495.2A CN115294933B (zh) 2022-09-26 2022-09-26 显示面板、显示模组与显示装置
CN202211175495.2 2022-09-26

Publications (1)

Publication Number Publication Date
WO2024066394A1 true WO2024066394A1 (zh) 2024-04-04

Family

ID=83833397

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/094775 WO2024066394A1 (zh) 2022-09-26 2023-05-17 显示面板、显示模组与显示装置

Country Status (3)

Country Link
US (1) US11790852B1 (zh)
CN (1) CN115294933B (zh)
WO (1) WO2024066394A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115294933B (zh) * 2022-09-26 2023-01-10 惠科股份有限公司 显示面板、显示模组与显示装置
CN115831979B (zh) * 2022-12-21 2023-09-08 惠科股份有限公司 阵列基板、制造方法、像素驱动电路及显示面板

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103366682A (zh) * 2013-07-25 2013-10-23 京东方科技集团股份有限公司 一种交流驱动oled电路、驱动方法及显示装置
CN103531148A (zh) * 2013-10-31 2014-01-22 京东方科技集团股份有限公司 一种交流驱动的像素电路、驱动方法及显示装置
CN203480803U (zh) * 2013-07-02 2014-03-12 京东方科技集团股份有限公司 一种像素电路、显示面板及显示装置
CN107507568A (zh) * 2017-08-24 2017-12-22 深圳市华星光电半导体显示技术有限公司 一种oled像素电路及减缓oled器件老化的方法
CN108922476A (zh) * 2018-06-21 2018-11-30 武汉华星光电半导体显示技术有限公司 一种oled像素驱动电路及oled显示器
CN113557561A (zh) * 2019-03-04 2021-10-26 三星显示有限公司 像素及用于驱动像素的方法
CN114038414A (zh) * 2021-12-09 2022-02-11 深圳市华星光电半导体显示技术有限公司 发光器件驱动电路、背光模组及显示面板
CN115294933A (zh) * 2022-09-26 2022-11-04 惠科股份有限公司 显示面板、显示模组与显示装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8014059B2 (en) * 1994-05-05 2011-09-06 Qualcomm Mems Technologies, Inc. System and method for charge control in a MEMS device
US7486305B2 (en) * 2004-04-05 2009-02-03 Hewlett-Packard Development Company, L.P. Variable resolution optically addressed active display
CN101923826B (zh) * 2010-05-20 2012-07-18 昆山工研院新型平板显示技术中心有限公司 一种具有交替工作子像素的主动矩阵有机发光显示器
CN102436796B (zh) * 2011-12-19 2013-10-30 北京大学深圳研究生院 一种显示装置及其数据驱动电路
CN103325340B (zh) * 2013-06-25 2015-07-01 京东方科技集团股份有限公司 像素电路、像素电路驱动方法及显示装置
CN103383834B (zh) * 2013-07-02 2015-08-05 京东方科技集团股份有限公司 一种像素电路、显示面板及显示装置
CN103824547A (zh) * 2014-02-27 2014-05-28 深圳市华星光电技术有限公司 一种液晶显示装置的背光源及其驱动电路
CN203850815U (zh) * 2014-05-26 2014-09-24 重庆宁来科贸有限公司 一种开路式保护性质的电源
KR102196908B1 (ko) * 2014-07-18 2020-12-31 삼성디스플레이 주식회사 유기전계발광 표시장치 및 그의 구동방법
CN107945741A (zh) * 2017-11-07 2018-04-20 深圳市华星光电半导体显示技术有限公司 Oled像素驱动电路、阵列基板及显示装置
KR102458079B1 (ko) * 2017-11-17 2022-10-24 엘지디스플레이 주식회사 표시장치와 그 차지 쉐어 방법
CN107833563B (zh) * 2017-12-18 2019-12-17 惠科股份有限公司 显示面板的驱动方法、驱动装置及显示装置
KR102618900B1 (ko) * 2019-01-08 2023-12-29 삼성전자주식회사 디스플레이 장치 및 그 제어 방법
KR20210039556A (ko) * 2019-10-02 2021-04-12 엘지디스플레이 주식회사 표시 장치 및 표시 장치 구동 방법
KR20210126826A (ko) * 2020-04-10 2021-10-21 삼성디스플레이 주식회사 표시 장치
CN114937431A (zh) * 2022-05-31 2022-08-23 惠科股份有限公司 扫描驱动电路、显示面板和显示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203480803U (zh) * 2013-07-02 2014-03-12 京东方科技集团股份有限公司 一种像素电路、显示面板及显示装置
CN103366682A (zh) * 2013-07-25 2013-10-23 京东方科技集团股份有限公司 一种交流驱动oled电路、驱动方法及显示装置
CN103531148A (zh) * 2013-10-31 2014-01-22 京东方科技集团股份有限公司 一种交流驱动的像素电路、驱动方法及显示装置
CN107507568A (zh) * 2017-08-24 2017-12-22 深圳市华星光电半导体显示技术有限公司 一种oled像素电路及减缓oled器件老化的方法
CN108922476A (zh) * 2018-06-21 2018-11-30 武汉华星光电半导体显示技术有限公司 一种oled像素驱动电路及oled显示器
CN113557561A (zh) * 2019-03-04 2021-10-26 三星显示有限公司 像素及用于驱动像素的方法
CN114038414A (zh) * 2021-12-09 2022-02-11 深圳市华星光电半导体显示技术有限公司 发光器件驱动电路、背光模组及显示面板
CN115294933A (zh) * 2022-09-26 2022-11-04 惠科股份有限公司 显示面板、显示模组与显示装置

Also Published As

Publication number Publication date
CN115294933A (zh) 2022-11-04
US11790852B1 (en) 2023-10-17
CN115294933B (zh) 2023-01-10

Similar Documents

Publication Publication Date Title
WO2024066394A1 (zh) 显示面板、显示模组与显示装置
US11837162B2 (en) Pixel circuit and driving method thereof, display panel
US11211013B2 (en) Gate driving circuit and display apparatus comprising the same
US10056052B2 (en) Data control circuit and flat panel display device including the same
TWI457891B (zh) 顯示裝置及其驅動方法
TW556144B (en) Display device
CN109872692B (zh) 像素电路及其驱动方法、显示装置
TWI517122B (zh) 顯示面板、顯示裝置及電子系統
US20060125738A1 (en) Light emitting display and method of driving the same
TW200410323A (en) Image display apparatus
CN100397459C (zh) 有源阵列型显示设备
WO2018184514A1 (zh) 像素补偿电路、驱动方法、有机发光显示面板及显示装置
CN103295484A (zh) 像素和使用该像素的有机发光显示器
KR20080050113A (ko) 유기전계발광 표시장치 및 이의 구동방법
WO2024007529A1 (zh) 驱动电路、显示模组及显示装置
CN114627839B (zh) 可扩展的显示设备及其驱动方法
WO2024077950A1 (zh) 显示面板、显示模组与显示装置
WO2017049756A1 (zh) 一种具有反馈通道的显示系统
CN108962145B (zh) 显示装置及其像素电路和驱动方法
US20210225261A1 (en) Pixel circuit and driving method thereof, display panel, and display device
KR102007775B1 (ko) 액정표시장치 및 그 구동방법
CN115050323B (zh) 像素阵列、显示面板和显示装置
TWI649742B (zh) 掃描驅動器之驅動方法與顯示面板之驅動方法
US20230044555A1 (en) Pixel and display apparatus including the same
KR100859469B1 (ko) 액정표시장치 및 구동방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23869648

Country of ref document: EP

Kind code of ref document: A1