WO2018036018A1 - 一种有机二极管显示驱动电路、显示面板及电子设备 - Google Patents

一种有机二极管显示驱动电路、显示面板及电子设备 Download PDF

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Publication number
WO2018036018A1
WO2018036018A1 PCT/CN2016/108335 CN2016108335W WO2018036018A1 WO 2018036018 A1 WO2018036018 A1 WO 2018036018A1 CN 2016108335 W CN2016108335 W CN 2016108335W WO 2018036018 A1 WO2018036018 A1 WO 2018036018A1
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Prior art keywords
line
power supply
supply line
voltage
row
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PCT/CN2016/108335
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English (en)
French (fr)
Inventor
易士娟
Original Assignee
武汉华星光电技术有限公司
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Priority to US15/319,772 priority Critical patent/US20180211598A1/en
Publication of WO2018036018A1 publication Critical patent/WO2018036018A1/zh

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Classifications

    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—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 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
    • G09G3/3258—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 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
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—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 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
    • G09G3/3233—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 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display 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
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active 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
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active 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
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active 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
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G09G2300/0861—Several 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes

Definitions

  • the present invention relates to the field of display technologies, and in particular, to an organic diode display driving circuit, a display panel, and an electronic device.
  • OLED Active matrix organic light-emitting diode
  • the OLED panel includes a normal pixel area (AA pixel area) and a virtual pixel area, and the virtual pixel area is designed to alleviate the load effect in the matrix substrate fabrication process and improve the uniformity of the high-precision metal mask evaporation process. Improve the uniformity of the AA pixel area display.
  • a commonly used design is to connect a signal line in a virtual pixel area circuit to a fixed potential, effectively turning off each thin film transistor, and making the virtual pixel area in a normally dark state.
  • the technical problem to be solved by the present invention is to provide an organic diode display driving circuit, a display panel and an electronic device, which improve the uniformity of panel display.
  • the present invention provides an organic diode display driving circuit
  • the organic diode display driving circuit includes: a voltage source, a display area circuit, and an auxiliary area circuit, the auxiliary area is located outside the display area;
  • the display area circuit and the auxiliary area circuit each include a power supply line, a signal line, and a pixel, and the voltage source is connected to the pixel of the display area through the power supply line; the voltage source is further passed through the auxiliary area
  • the line is directly or indirectly connected to the pixels of the display area.
  • the voltage source is directly or indirectly connected to the pixel of the display area through a signal line located in the auxiliary area.
  • the signal line of the auxiliary area includes one of a scan line, an initial voltage line, an illumination control line, and a data line, or a combination thereof.
  • the power supply line includes a row and a row of power supply lines and a column power supply line, and the row power supply line or the column power supply line is connected to the voltage source; the scan line, the initial voltage line, and the illumination of the auxiliary area
  • the control lines are each coupled to the two of the voltage lines such that the voltage source is further indirectly coupled to the pixels of the display area by a line located in the auxiliary area.
  • the data lines are arranged in a column direction, one end of which is connected to one of the voltage lines, the other end is connected to the other of the voltage lines, and/or the other part is connected to the row of power lines of different layers through the contact holes. .
  • the power supply line includes a row power supply line and a column power supply line arranged in a row and an array; the scan line, the initial voltage line, and the light emission control line of the auxiliary area pass through the contact hole and the row power supply line of different layers and And/or connected such that the voltage source is further indirectly connected to the pixels of the display area by a line located in the auxiliary area.
  • a voltage line is disposed on one side of the display area, the voltage source is connected to the voltage line, and one end of the row power supply line or the column power supply line is connected to the voltage line; the scan line of the auxiliary area
  • the initial voltage line and the light-emitting control line pass through the contact hole and the row of power supply lines and/or connections of different layers, specifically: between the scan line, the initial voltage line, the light-emitting control line, and the row power supply line of the first layer.
  • Connected between the column data lines of the second layer and the column power supply lines, and the row power supply lines of the different layers and the column power supply lines are connected through the contact holes, so that the voltage source is further passed through
  • a line of the auxiliary area is indirectly connected to the pixel of the display area.
  • the present invention further provides a display panel comprising an organic diode display driving circuit, the organic diode display driving circuit comprising: a voltage source, a display area circuit and an auxiliary area circuit, wherein the auxiliary area is located
  • the display area circuit and the auxiliary area circuit each include a power supply line, a signal line, and a pixel, and the voltage source is connected to the pixel of the display area through the power supply line; the voltage source Further connected directly or indirectly to the pixels of the display area by a line located in the auxiliary area.
  • the voltage source is directly or indirectly connected to the pixel of the display area through a signal line located in the auxiliary area.
  • the signal line of the auxiliary area includes one of a scan line, an initial voltage line, an illumination control line, and a data line, or a combination thereof.
  • the power supply line includes a row and a row of power supply lines and a column power supply line, and the row power supply line or the column power supply line is connected to the voltage source; the scan line, the initial voltage line, and the illumination of the auxiliary area
  • the control lines are each coupled to the two of the voltage lines such that the voltage source is further indirectly coupled to the pixels of the display area by a line located in the auxiliary area.
  • the data lines are arranged in a column direction, one end of which is connected to one of the voltage lines, the other end is connected to the other of the voltage lines, and/or the other part is connected to the row of power lines of different layers through the contact holes. .
  • the power supply line includes a row power supply line and a column power supply line arranged in a row and an array; the scan line, the initial voltage line, and the light emission control line of the auxiliary area pass through the contact hole and the row power supply line of different layers and And/or connected such that the voltage source is further indirectly connected to the pixels of the display area by a line located in the auxiliary area.
  • a voltage line is disposed on one side of the display area, the voltage source is connected to the voltage line, and one end of the row power supply line or the column power supply line is connected to the voltage line; the scan line of the auxiliary area
  • the vi line and the EM line passing through the contact hole and the different layers of the power supply line and/or connection specifically refer to: the scan line, the initial voltage line, the illumination control line, and the row power supply line located in the first layer are connected. Connecting between the column data lines of the second layer and the column power supply lines, and connecting the row power supply lines of the different layers and the column power supply lines through the contact holes, so that the voltage source is further passed through the A line of the auxiliary area is indirectly connected to the pixels of the display area.
  • the present invention further provides an electronic device including a display, the display including the organic diode display driving circuit, the organic diode display driving circuit comprising: a voltage source, a display area circuit and an auxiliary a zone circuit, the auxiliary zone is located outside the display zone; the display zone circuit and the auxiliary zone circuit each include a power supply line, a signal line, and a pixel, and the voltage source passes through the power supply line and the display area a pixel connection; the voltage source is further connected directly or indirectly to the pixel of the display area by a line located in the auxiliary area.
  • the voltage source is directly or indirectly connected to the pixel of the display area through a signal line located in the auxiliary area.
  • the signal line of the auxiliary area includes one of a scan line, an initial voltage line, an illumination control line, and a data line, or a combination thereof.
  • the power supply line includes a row and a row of power supply lines and a column power supply line, and the row power supply line or the column power supply line is connected to the voltage source; the scan line, the initial voltage line, and the illumination of the auxiliary area
  • the control lines are each coupled to the two of the voltage lines such that the voltage source is further indirectly coupled to the pixels of the display area by a line located in the auxiliary area.
  • the data lines are arranged in a column direction, one end of which is connected to one of the voltage lines, the other end is connected to the other of the voltage lines, and/or the other part is connected to the row of power lines of different layers through the contact holes. .
  • the invention has the beneficial effects that the difference between the prior art and the invention allows the voltage source to be directly or indirectly connected to the pixels of the display area through the line of the auxiliary area to display the voltage drop caused by the line pixel of the area pixel, thereby improving the panel. Uniformity of display.
  • FIG. 1 is a schematic structural view of a first embodiment of an organic diode display driving circuit of the present invention
  • FIG. 2 is a schematic structural view of a second embodiment of an organic diode display driving circuit of the present invention.
  • FIG. 3 is a schematic enlarged view of a pixel of an auxiliary region of a second embodiment of the organic diode display driving circuit of the present invention.
  • FIG. 4 is a schematic structural view of an embodiment of a display panel of the present invention.
  • FIG. 5 is a schematic structural diagram of an embodiment of an electronic device according to the present invention.
  • FIG. 2 is a schematic structural diagram of a flat panel display device according to a first embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a first embodiment of a back frame of a flat panel display device according to a second embodiment of the present invention.
  • the flat panel display device 20 of the present embodiment includes a backlight system 21 and a display panel 22 .
  • the backlight system 21 is disposed on the back surface of the display panel 22 and provides a light source for the display panel 22 .
  • a first embodiment of an organic diode display driving circuit of the present invention includes:
  • the voltage source 110, the display area circuit 120, and the auxiliary area circuit 130, and the auxiliary area are located outside the display area.
  • the voltage source 110 provides a voltage to the entire chip; the display area circuit 120 and the auxiliary area circuit 130 each include a power supply line 140, a signal line 150, and a pixel 160.
  • the voltage source 110 is connected to the pixel 160 of the display area through the power supply line 140;
  • the signal line 150 located in the auxiliary area is further connected directly or indirectly to the pixel 160 of the display area.
  • the signal line 150 of the auxiliary region includes a combination of one or more of the first scan line 151, the second scan line 152, the initial voltage line 153, the light emission control line 154, and the data line 155.
  • the power supply line 140 includes a row and a row of power supply lines 141 and a column power supply line 142, and the row power supply line 141 or the column power supply line 142 is connected to the voltage source.
  • the row power supply line 141 and the column power supply line 142 pass through the first contact hole 181. Connected.
  • the first scan line 151, the second scan line 152, the initial voltage line 153, and the illumination control line 154 are located in the first layer of the chip, and are in the same layer as the row power supply line 141; the data line 155 is located on the second layer of the chip, and the column power supply line 142 is on the same floor.
  • a wide trace 190 is added to the left side of the auxiliary region, and the first scan line 151, the second scan line 152, the initial voltage line 153, and one end of the light-emitting control line 154 of the auxiliary region are connected to the voltage line 171 together, thereby
  • the voltage source can be further passed through the line located in the auxiliary area (such as the first scan line 151, the second scan line 152, the initial voltage line 153, the illumination control line 154, and the data line 155, etc.) and the pixel 160 of the display area. Indirect connection.
  • the data lines 155 are arranged in the column direction, one end of which is connected to one voltage line 171, the other end is connected to the other voltage line 172, and/or the other part of the data line 155 is supplied to the different layers through the second contact hole 182.
  • Line 140 is connected.
  • the auxiliary area signal line 150 is connected to one voltage line 171 at one end, and the other end is connected to another voltage line 172, and the voltage source 110 passes through the auxiliary area signal line 150, two voltage lines, and
  • the display area power supply line supplies a certain voltage to the pixel 160 of the display area, thereby reducing the problem of serious voltage drop caused by the wiring problem of the display area pixel 160, and improving the uniformity of display of the display panel.
  • the data line 155 may not be connected to the voltage line or the power supply line 140.
  • the voltage source 110 is directly or indirectly connected to the pixel 160 of the display area through the signal line 150 located outside the data line 155 in the auxiliary area; or, the voltage source 110
  • the auxiliary area is connected directly or indirectly to the pixels 160 of the display area only via the data line 155.
  • a second embodiment of the organic diode display driving circuit of the present invention includes:
  • the voltage source 2010, the display area circuit 2020 and the auxiliary area circuit 2030, and the auxiliary area is located outside the display area; the display area circuit 2020 and the auxiliary area circuit 2030 each include a power supply line 2040, a signal line 2050, and a pixel 2060, and the voltage source passes through the power supply line.
  • 2040 is coupled to pixel 2060 of the display area; voltage source 2010 is further coupled directly or indirectly to pixel 2060 of the display area via signal line 2050 located in the auxiliary area.
  • the signal line 2050 of the auxiliary area specifically includes a combination of one or more of the first scan line 2051, the second scan line 2052, the initial voltage line 2053, the illumination control line 2054, and the data line 2055.
  • the power supply line 2040 includes a row power supply line 2041 and a column power supply line 2042 which are arranged in rows and columns.
  • a signal connection between the signal line 2050 of the auxiliary area and the power supply line 2070 is established, so that the voltage source further passes through the line located in the auxiliary area (eg, the first scan line 2051, the second scan line 2052, the initial voltage line 2053, the illumination control line 2054, and the data).
  • Line 2055, etc. is indirectly connected to pixel 2060 of the display area.
  • the connection between the signal line 2050 of the auxiliary area and the power supply line 2070 specifically refers to: a first scan line 2051, a second scan line 2052, an initial voltage line 2053, an illumination control line 2054, and a line power supply line located in the first layer.
  • a trace 2101 between different lines is added between 2041, so that the signal line of the first layer and the row power supply line 2041 are connected to each other; and one line is added between the data line 2055 and the column power supply line 2042 located at the second layer. 2102, so that the data line 2055 of the second layer and the column power supply line 2042 communicate with each other.
  • the row power supply line 2041 and the column power supply line 2042 of different layers are connected through the contact hole 2080.
  • a trace 21011 is added between the light emission control lines 2054 and G1
  • a trace 21012 is added between G1 and the first scan line 2051
  • an increase is made between the first scan line 2051 and the row power supply line 2041.
  • the line 21013 further connects the light emission control line 2054 and the first scan line 2051 to the row power supply line 2041.
  • a trace 21015 is added between the initial voltage line 2053 and the second scan line 2052
  • a trace 21014 is added between the second scan line 2052 and the row power supply line 2041, thereby causing the initial voltage line 2053 and the second scan line 2052.
  • the trace 2102 is added between the data line 2055 and the column power supply line 2042 such that the data line 2055 is connected to the column power supply line 2042.
  • the voltage line 2070 is located on one side of the display area, the voltage source 2010 is connected to the voltage line 2070, and one end of the row power supply line 2041 or the column power supply line 2042 is connected to the voltage line 2070;
  • the auxiliary area signal line 2050 is indirectly connected to the voltage line 2070.
  • the auxiliary region first scan line 2051, the second scan line 2052, the initial voltage line 2053, and the light emission control line 2054 replenish the display area pixel 2060 through the connection with the row power supply line 2041; and the data line 2055
  • the pixel 2060 of the display area is replenished by the connection with the column power supply line 2042 and the connection between the column power supply line 2042 and the row power supply line 2041.
  • the problem of serious voltage drop in the display area is improved, and the uniformity of the panel display is improved.
  • the present invention further provides a display panel.
  • the display panel 30 includes an organic diode display driving circuit 31.
  • the organic diode display driving circuit 31 specifically adopts the connection method of FIG. 1 or FIG. 2, and details are not described herein again.
  • the pixels of the display area in the organic diode display driving circuit 31 are powered by the power supply line.
  • the signal line of the auxiliary area is fully utilized, the pixel of the pixel display area is directly or indirectly supplemented with the voltage drawn by the trace of the display area, so that the display of the entire display panel 30 is more uniform, and the display quality of the panel is improved.
  • the present invention further provides an electronic device.
  • the electronic device 40 includes a display panel 41 employing an organic diode display driving circuit 42.
  • the organic diode display driving circuit 42 specifically adopts the connection method of FIG. 1 or FIG. 2, and the structure of the display panel is specifically shown in FIG. 3, and details are not described herein.
  • the pixel of the working display area of the internal organic diode display driving circuit 42 emits light, so that the display effect of the display panel 41 is improved.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

一种有机二极管显示驱动电路（31，42）、显示面板（30，41）及电子设备（40）。该驱动电路（31，42）包括：电压源（110，2010）、显示区电路（120，2020）以及辅助区电路（130，2030），辅助区位于显示区之外；显示区电路（120，2020）和辅助区电路（130，2030）均包括供电线（140，2040）、信号线（150，2050）以及像素（160，2060），电压源（110，2010）通过供电线（140，2040）与显示区的像素（160，2060）连接；电压源（110，2010）还进一步通过位于辅助区的线路与显示区的像素（160，2060）直接或间接连接。通过充分利用辅助区线路，将其与电压线（171，172，2070）连接，降低显示区供电线（140，2040）走线的电阻，进而降低显示区供电线（140，2040）走线的电压降。

Description

一种有机二极管显示驱动电路、显示面板及电子设备
【技术领域】
本发明涉及显示技术领域，特别是涉及一种有机二极管显示驱动电路、显示面板及电子设备。
【背景技术】
有源矩阵有机发光二极体（OLED）面板，采用非常薄的有机材料涂层和玻璃基板，当有电流通过时，这些有机材料就会发光。OLED面板具有自发光的特性，且视角广，色饱和度高，尤其是驱动电压低且功耗低，加上反应快、重量轻、厚度薄，构造简单，成本低等，被视为最具前途的产品之一。
其中，OLED面板包括正常像素区（AA像素区）和虚拟像素区，虚拟像素区的设计主要为缓解矩阵基板制作过程中的负载效应，以及提高高精度金属掩模板蒸镀过程的均匀性，从而提高AA像素区显示的均匀性。在一般的像素补偿电路中，常采用的设计是将虚拟像素区电路中信号线接固定电位，有效关闭各个薄膜晶体管，使虚拟像素区处于常暗状态。
但是，由于AA像素区的每个像素到电压源的距离不同，走线造成的电压降不同，仍然会降低面板显示的均匀性。
【发明内容】
本发明主要解决的技术问题是提供一种有机二极管显示驱动电路、显示面板及电子设备，提高面板显示的均匀性。
为解决上述技术问题，本发明提供了一种有机二极管显示驱动电路，有机二极管显示驱动电路包括：电压源、显示区电路以及辅助区电路，所述辅助区位于所述显示区之外；所述显示区电路和辅助区电路均包括供电线、信号线以及像素，所述电压源通过所述供电线与所述显示区的所述像素连接；所述电压源还进一步通过位于所述辅助区的线路与所述显示区的所述像素直接或间接连接。
其中，所述电压源具体通过位于所述辅助区的信号线与所述显示区的所述像素直接或间接连接。
其中，所述辅助区的信号线包括扫描线、初始电压线、发光控制线及数据线中的一种或其组合。
其中，所述供电线包括行列排列且互联的行供电线、列供电线，所述行供电线或列供电线连接所述电压源；所述辅助区的所述扫描线、初始电压线、发光控制线均分别连接至两条所述电压线，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
其中，所述数据线为列方向排列，其一端连接至一条所述电压线，另一端连接至另一条所述电压线，和/或另一部分通过接触孔与不同层的所述行供电线连接。
其中，所述供电线包括行列排列且互联的行供电线、列供电线；所述辅助区的所述扫描线、初始电压线、发光控制线通过接触孔与不同层的所述行供电线和/或连接，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
进一步地，包括位于所述显示区一侧的电压线，所述电压源连接所述电压线，所述行供电线或列供电线一端连接所述电压线；所述辅助区的所述扫描线、初始电压线、发光控制线通过接触孔与不同层的所述行供电线和/或连接具体指：位于第一层的所述扫描线、初始电压线、发光控制线以及行供电线之间均连接，位于第二层的列数据线与列供电线之间连接，同时不同层的所述行供电线与所述列供电线之间通过接触孔连接，以使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
为解决上述技术问题，本发明又提供了一种显示面板，显示面板包括有机二极管显示驱动电路，所述有机二极管显示驱动电路包括：电压源、显示区电路以及辅助区电路，所述辅助区位于所述显示区之外；所述显示区电路和辅助区电路均包括供电线、信号线以及像素，所述电压源通过所述供电线与所述显示区的所述像素连接；所述电压源还进一步通过位于所述辅助区的线路与所述显示区的所述像素直接或间接连接。
其中，所述电压源具体通过位于所述辅助区的信号线与所述显示区的所述像素直接或间接连接。
其中，所述辅助区的信号线包括扫描线、初始电压线、发光控制线及数据线中的一种或其组合。
其中，所述供电线包括行列排列且互联的行供电线、列供电线，所述行供电线或列供电线连接所述电压源；所述辅助区的所述扫描线、初始电压线、发光控制线均分别连接至两条所述电压线，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
其中，所述数据线为列方向排列，其一端连接至一条所述电压线，另一端连接至另一条所述电压线，和/或另一部分通过接触孔与不同层的所述行供电线连接。
其中，所述供电线包括行列排列且互联的行供电线、列供电线；所述辅助区的所述扫描线、初始电压线、发光控制线通过接触孔与不同层的所述行供电线和/或连接，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
进一步地，包括位于所述显示区一侧的电压线，所述电压源连接所述电压线，所述行供电线或列供电线一端连接所述电压线；所述辅助区的所述扫描线、vi线、EM线通过接触孔与不同层的所述行供电线和/或连接具体指：位于第一层的所述扫描线、初始电压线、发光控制线以及行供电线之间均连接，位于第二层的列数据线与列供电线之间连接，同时不同层的所述行供电线与所述列供电线之间通过接触孔连接，以使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
为解决上述技术问题，本发明还提供了一种电子设备，电子设备包括显示器，所述显示器包括所述有机二极管显示驱动电路，所述有机二极管显示驱动电路包括：电压源、显示区电路以及辅助区电路，所述辅助区位于所述显示区之外；所述显示区电路和辅助区电路均包括供电线、信号线以及像素，所述电压源通过所述供电线与所述显示区的所述像素连接；所述电压源还进一步通过位于所述辅助区的线路与所述显示区的所述像素直接或间接连接。
其中，所述电压源具体通过位于所述辅助区的信号线与所述显示区的所述像素直接或间接连接。
其中，所述辅助区的信号线包括扫描线、初始电压线、发光控制线及数据线中的一种或其组合。
其中，所述供电线包括行列排列且互联的行供电线、列供电线，所述行供电线或列供电线连接所述电压源；所述辅助区的所述扫描线、初始电压线、发光控制线均分别连接至两条所述电压线，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
其中，所述数据线为列方向排列，其一端连接至一条所述电压线，另一端连接至另一条所述电压线，和/或另一部分通过接触孔与不同层的所述行供电线连接。
本发明的有益效果是：区别于现有技术的情况，本发明通过辅助区的线路让电压源与显示区的像素直接或间接连接，来显示区像素因走线造成的电压降，能够提高面板显示的均匀性。
【附图说明】
图1是本发明有机二极管显示驱动电路第一实施例的结构示意图；
图2是本发明有机二极管显示驱动电路第二实施例的结构示意图；
图3是本发明有机二极管显示驱动电路第二实施例辅助区像素放大示意图；
图4是本发明显示面板实施例的结构示意图；
图5是本发明电子设备实施例的结构示意图。
【具体实施方式】
请参见图2-3，图2是根据本发明第一实施例的平板显示装置的结构示意图，图3是根据本发明第二实施例的平板显示装置的背框的第一实施例的结构示意图。如图2所示，本实施例的平板显示装置20包括：背光系统21以及显示面板22，背光系统21设置于显示面板22的背面，并且为显示面板22提供光源。
请参阅图1，本发明有机二极管显示驱动电路的第一实施例，包括：
电压源110、显示区电路120以及辅助区电路130，且辅助区位于显示区之外。其中电压源110给整个芯片提供电压；显示区电路120和辅助区电路130均包括供电线140、信号线150以及像素160，电压源110通过供电线140与显示区的像素160连接；电压源还进一步通过位于辅助区的信号线150与显示区的像素160直接或间接连接。
具体地，辅助区的信号线150包括第一扫描线151、第二扫描线152、初始电压线153、发光控制线154及数据线155中的一种或几种的组合。
供电线140包括行列排列且互联的行供电线141、列供电线142，且行供电线141或列供电线142连接电压源；其中，行供电线141与列供电线142通过第一接触孔181进行连通。
其中第一扫描线151、第二扫描线152、初始电压线153、发光控制线154位于芯片第一层，与行供电线141在同一层；数据线155位于芯片第二层，与列供电线142在同一层。
本实施例在辅助区左侧增加一条宽走线190，将辅助区的第一扫描线151，第二扫描线152、初始电压线153、发光控制线154的一端一起连接至电压线171，从而使电压源能够进一步通过位于所述辅助区的线路（如第一扫描线151、第二扫描线152、初始电压线153、发光控制线154及数据线155等）与显示区的所述像素160间接连接。
更进一步，数据线155为列方向排列，其一端连接至一条电压线171，另一端连接至另一条电压线172，和/或数据线155的另一部分通过第二接触孔182与不同层的供电线140连接。
以显示区与左下方的辅助区为例，辅助区信号线150一端连接至一条电压线171，另一端连接至另一条电压线172，电压源110通过辅助区信号线150、两条电压线以及显示区供电线补给显示区像素160一定的电压，从而减小显示区像素160因走线问题而造成的电压降严重的问题，提高显示面板显示的均匀性。
当然，数据线155可以不连接电压线或供电线140，电压源110是通过位于辅助区的除数据线155之外的信号线150与显示区的像素160直接或间接连接；或，电压源110在辅助区仅通过数据线155与显示区的像素160直接或间接连接。
请参阅图2和图3，本发明有机二极管显示驱动电路的第二实施例，包括：
电压源2010、显示区电路2020以及辅助区电路2030，且辅助区位于显示区之外；显示区电路2020和辅助区电路2030均包括供电线2040、信号线2050以及像素2060，电压源通过供电线2040与显示区的像素2060连接；电压源2010还进一步通过位于辅助区的信号线2050与显示区的像素2060直接或间接连接。
其中，辅助区的信号线2050具体包括第一扫描线2051、第二扫描线2052、初始电压线2053、发光控制线2054及数据线2055中的一种或几种的组合。
供电线2040包括行列排列且互联的行供电线2041、列供电线2042。
辅助区的信号线2050与供电线2070之间建立连接，使得电压源进一步通过位于辅助区的线路（如第一扫描线2051、第二扫描线2052、初始电压线2053、发光控制线2054及数据线2055等）与显示区的像素2060间接连接。
其中，辅助区的信号线2050与供电线2070之间建立连接具体指：在位于第一层的第一扫描线2051、第二扫描线2052、初始电压线2053、发光控制线2054与行供电线2041之间增加不同线间的走线2101，使得第一层的信号线与行供电线2041之间相互连通；在位于第二层的数据线2055与列供电线2042之间增加1段走线2102，使得第二层的数据线2055与列供电线2042之间相互连通。同时，不同层的行供电线2041与列供电线2042之间通过接触孔2080连接。
具体地，如图3，在发光控制线2054与G1之间增加走线21011，G1与第一扫描线2051之间增加走线21012，以及第一扫描线2051与行供电线2041之间增加走线21013，进而使得发光控制线2054、第一扫描线2051与行供电线2041连接。同时，在初始电压线2053与第二扫描线2052之间增加走线21015，以及第二扫描线2052与行供电线2041之间增加走线21014，进而使得初始电压线2053与第二扫描线2052与行供电线2041连接；类似地，在数据线2055与列供电线2042之间增加走线2102使得数据线2055与列供电线2042连接。
电压线2070位于显示区一侧，电压源2010连接电压线2070，行供电线2041或列供电线2042一端连接电压线2070；
同以显示区与左下方的辅助区为例，辅助区信号线2050间接与电压线2070连接。当电路接通时，辅助区第一扫描线2051、第二扫描线2052、初始电压线2053、发光控制线2054通过与行供电线2041的连接对显示区像素2060进行补给；而数据线2055则是通过与列供电线2042的连接，同时再通过列供电线2042与行供电线2041之间的连接，对显示区的像素2060进行补给。进而改善显示区走线电压降严重的问题，提高面板显示的均匀性。
在其他实施例中，可以没有宽走线2090。
请参阅图4，本发明又提供一种显示面板。如图3所示，显示面板30包括有机二极管显示驱动电路31。
其中有机二极管显示驱动电路31具体采用图1或图2的接法，在此不再赘述。
显示面板30通电后，有机二极管显示驱动电路31中的显示区像素通过供电线供电发光。同时，由于充分利用了辅助区的信号线，直接或间接对像素显示区像素补充被显示区走线抽掉的电压，进而整个显示面板30显示更加均匀，提升面板的显示质量。
请参阅图5，本发明再提供一种电子设备。如图4所示，电子设备40包括采用有机二极管显示驱动电路42的显示面板41。
其中有机二极管显示驱动电路42具体采用图1或图2的接法，同时显示面板的结构具体如图3所示，在此不在赘述。
电子设备启动后，通过内部有机二极管显示驱动电路42的工作显示区像素发光，使得显示面板41的显示效果提升。
以上仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (20)

  1. 一种有机二极管显示驱动电路，其中，包括：
    电压源、显示区电路以及辅助区电路，所述辅助区位于所述显示区之外；
    所述显示区电路和辅助区电路均包括供电线、信号线以及像素，所述电压源通过所述供电线与所述显示区的所述像素连接；
    所述电压源还进一步通过位于所述辅助区的线路与所述显示区的所述像素直接或间接连接。
  2. 根据权利要求1所述电路，其中，
    所述电压源具体通过位于所述辅助区的信号线与所述显示区的所述像素直接或间接连接。
  3. 根据权利要求2所述电路，其中，
    所述辅助区的信号线包括扫描线、初始电压线、发光控制线及数据线中的一种或其组合。
  4. 根据权利要求3所述电路，其中，
    所述供电线包括行列排列且互联的行供电线、列供电线，所述行供电线或列供电线连接所述电压源；
    所述辅助区的所述扫描线、初始电压线、发光控制线均分别连接至两条所述电压线，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
  5. 根据权利要求4所述电路，其中，
    所述数据线为列方向排列，其一端连接至一条所述电压线，另一端连接至另一条所述电压线，和/或另一部分通过接触孔与不同层的所述行供电线连接。
  6. 根据权利要求3所述电路，其中，
    所述供电线包括行列排列且互联的行供电线、列供电线；
    所述辅助区的所述扫描线、初始电压线、发光控制线通过接触孔与不同层的所述行供电线和/或连接，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
  7. 根据权利要求6所述电路，其中，
    进一步包括位于所述显示区一侧的电压线，所述电压源连接所述电压线，所述行供电线或列供电线一端连接所述电压线；
    所述辅助区的所述扫描线、vi线、EM线通过接触孔与不同层的所述行供电线和/或连接具体指：
    位于第一层的所述扫描线、初始电压线、发光控制线以及行供电线之间均连接，位于第二层的列数据线与列供电线之间连接，同时不同层的所述行供电线与所述列供电线之间通过接触孔连接，以使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
  8. 根据权利要求6所述电路，其中，
    所述辅助区的所述扫描线、初始电压线、发光控制线均分别连接至所述电压线。
  9. 一种显示面板，其中，包括有机二极管显示驱动电路，所述有机二极管显示驱动电路包括：
    电压源、显示区电路以及辅助区电路，所述辅助区位于所述显示区之外；
    所述显示区电路和辅助区电路均包括供电线、信号线以及像素，所述电压源通过所述供电线与所述显示区的所述像素连接；
    所述电压源还进一步通过位于所述辅助区的线路与所述显示区的所述像素直接或间接连接。
  10. 根据权利要求9所述显示面板，其特征在于，
    所述电压源具体通过位于所述辅助区的信号线与所述显示区的所述像素直接或间接连接。
  11. 根据权利要求10所述显示面板，其特征在于，
    所述辅助区的信号线包括扫描线、初始电压线、发光控制线及数据线中的一种或其组合。
  12. 根据权利要求11所述显示面板，其特征在于，
    所述供电线包括行列排列且互联的行供电线、列供电线，所述行供电线或列供电线连接所述电压源；
    所述辅助区的所述扫描线、初始电压线、发光控制线均分别连接至两条所述电压线，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
  13. 根据权利要求12所述显示面板，其特征在于，
    所述数据线为列方向排列，其一端连接至一条所述电压线，另一端连接至另一条所述电压线，和/或另一部分通过接触孔与不同层的所述行供电线连接。
  14. 根据权利要求11所述显示面板，其特征在于，
    所述供电线包括行列排列且互联的行供电线、列供电线；
    所述辅助区的所述扫描线、初始电压线、发光控制线通过接触孔与不同层的所述行供电线和/或连接，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
  15. 根据权利要求14所述显示面板，其特征在于，
    进一步包括位于所述显示区一侧的电压线，所述电压源连接所述电压线，所述行供电线或列供电线一端连接所述电压线；
    所述辅助区的所述扫描线、vi线、EM线通过接触孔与不同层的所述行供电线和/或连接具体指：
    位于第一层的所述扫描线、初始电压线、发光控制线以及行供电线之间均连接，位于第二层的列数据线与列供电线之间连接，同时不同层的所述行供电线与所述列供电线之间通过接触孔连接，以使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
  16. 一种电子设备，其中，包括显示器，所述显示器包括有机二极管显示驱动电路，所述有机二极管显示驱动电路包括：
    电压源、显示区电路以及辅助区电路，所述辅助区位于所述显示区之外；
    所述显示区电路和辅助区电路均包括供电线、信号线以及像素，所述电压源通过所述供电线与所述显示区的所述像素连接；
    所述电压源还进一步通过位于所述辅助区的线路与所述显示区的所述像素直接或间接连接。
  17. 根据权利要求16所述电子设备，其中，
    所述电压源具体通过位于所述辅助区的信号线与所述显示区的所述像素直接或间接连接。
  18. 根据权利要求17所述电子设备，其中，
    所述辅助区的信号线包括扫描线、初始电压线、发光控制线及数据线中的一种或其组合。
  19. 根据权利要求18所述电子设备，其中，
    所述供电线包括行列排列且互联的行供电线、列供电线，所述行供电线或列供电线连接所述电压源；
    所述辅助区的所述扫描线、初始电压线、发光控制线均分别连接至两条所述电压线，使得所述电压源进一步通过位于所述辅助区的线路与所述显示区的所述像素间接连接。
  20. 根据权利要求19所述电子设备，其中，
    所述数据线为列方向排列，其一端连接至一条所述电压线，另一端连接至另一条所述电压线，和/或另一部分通过接触孔与不同层的所述行供电线连接。
PCT/CN2016/108335 2016-08-22 2016-12-02 一种有机二极管显示驱动电路、显示面板及电子设备 WO2018036018A1 (zh)

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