WO2018209922A1 - 显示基板及其驱动方法以及显示面板 - Google Patents

显示基板及其驱动方法以及显示面板 Download PDF

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Publication number
WO2018209922A1
WO2018209922A1 PCT/CN2017/113566 CN2017113566W WO2018209922A1 WO 2018209922 A1 WO2018209922 A1 WO 2018209922A1 CN 2017113566 W CN2017113566 W CN 2017113566W WO 2018209922 A1 WO2018209922 A1 WO 2018209922A1
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Prior art keywords
voltage
electrostatic
control
sub
electrostatic ring
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
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PCT/CN2017/113566
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English (en)
French (fr)
Inventor
杜瑞芳
邵喜斌
马睿
马小叶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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Priority to US16/072,822 priority Critical patent/US11514835B2/en
Publication of WO2018209922A1 publication Critical patent/WO2018209922A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • 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
    • G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3674—Details of drivers for scan electrodes
    • G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/441—Interconnections, e.g. scanning lines
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D89/00—Aspects of integrated devices not covered by groups H10D84/00 - H10D88/00
    • H10D89/60—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD]
    • H10D89/601—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs
    • H10D89/911—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs using passive elements as protective elements
    • 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
    • G09G2300/0404—Matrix technologies
    • G09G2300/0408—Integration of the drivers onto the display substrate
    • 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
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0275—Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/027—Arrangements or methods related to powering off a display
    • 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

Definitions

  • the present disclosure relates to the field of display technologies, and in particular, to a display substrate, a driving method thereof, and a display panel.
  • the key point of the gate driver circuit (Gate Driver on Array, GOA) technology is the reliability of the shift register circuit and the shift register circuit.
  • the display product usually turns on the Xao function after the power is turned off, that is, the voltage of all the gate lines is set to a high level, and the thin film transistor (Thin Film Transistor for all sub-pixels in the panel is displayed). : TFT) turns on and discharges its pixel electrode.
  • the output of the conventional GOA is directly connected to the gate line.
  • the gate line is loaded with a high level through the GOA signal line.
  • the GOA signal line and the gate line are both high level, causing the charge inside the GOA to accumulate, so that the corresponding TFT is in a pressure state. , which reduces the reliability of the GOA.
  • the present disclosure provides a display substrate including a substrate substrate and a gate line and a gate driving circuit on the substrate substrate, the gate line and the gate driving circuit being connected, wherein the substrate substrate is further Providing an electrostatic ring and a control component corresponding to the at least one gate line, wherein the at least one gate line passes the corresponding The control unit is coupled to the electrostatic ring.
  • the electrostatic ring is used to load a control voltage in an inactive phase to turn the control component on; the control component is used to turn on in a non-working phase to cause a voltage on the gate line to be an on voltage.
  • the display substrate is provided with a display area and a peripheral area located around the display area, and the gate driving circuit, the electrostatic ring and the control component are located in the peripheral area.
  • the number of the gate driving circuits is two, and the two gate driving circuits are respectively located at two sides of the display area; the number of the electrostatic rings is two, and the two electrostatic rings are Separately located on two sides of the display area; corresponding to each gate line two control components, two of the control components are respectively located on two sides of the display area; each of the control components will be corresponding to the grid line and located in the display area The electrostatic rings on the same side are connected.
  • control component comprises an electrostatic resistor, a first end of the electrostatic resistor is connected to the gate line, and a second end of the electrostatic resistor is connected to the electrostatic ring.
  • the electrostatic ring is configured to apply a control voltage to the second end of the electrostatic resistor to turn on the electrostatic resistor during a non-working phase; the electrostatic resistor is used to open in a non-working phase to enable The voltage on the gate line is the turn-on voltage.
  • the electrostatic ring is further configured to ground the second end of the electrostatic impedance during the working phase; the electrostatic resistor is further configured to release static electricity on the gate line through the electrostatic ring.
  • control component includes a switch tube
  • the static ring includes a first sub-electrostatic ring and a second sub-static ring
  • a control electrode of the switch tube is connected to the first sub-electrostatic ring
  • the switch tube A first pole is connected to the gate line
  • a second pole of the switch transistor is connected to the second sub-electrostatic ring.
  • control voltage includes a first control sub-voltage and a second control sub-voltage;
  • first sub-electrostatic ring is configured to load a first control sub-voltage to a control pole of the switch tube during a non-working phase to enable The switch tube is turned on;
  • the second sub-electrostatic ring is configured to apply a second control sub-voltage to the second pole of the switch tube during a non-working phase;
  • the switch tube is used to open in a non-working phase to make the grid
  • the voltage on the line is the turn-on voltage.
  • control component includes an electrostatic resistor and a switch tube
  • the electrostatic ring includes a first sub An electrostatic ring and a second sub-electrostatic ring, a first end of the electrostatic resistor connected to the gate line, a second end of the electrostatic resistor connected to the second sub-electrostatic ring, control of the switch tube
  • the pole is connected to the first sub-electrostatic ring
  • the first pole of the switch tube is connected to the gate line
  • the second pole of the switch tube is connected to the second sub-electrostatic ring.
  • control voltage includes a first control sub-voltage and a second control sub-voltage; the first sub-electrostatic ring is configured to load a first control sub-voltage to a control pole of the switch tube during a non-working phase to enable The switch tube is turned on; the second sub-electrostatic ring is configured to load a second control sub-voltage to the second pole of the switch tube and a second control unit to the second end of the electrostatic resistor during a non-working phase A voltage is applied to turn on the electrostatic resistor; the switch tube and the electrostatic resistor are used to be turned on during an inactive phase to cause a voltage on the gate line to be an on voltage.
  • control voltage is a high level
  • turn-on voltage is a high level
  • the first control sub-voltage is a high level
  • the second control sub-voltage is a high level
  • the turn-on voltage is a high level
  • the present disclosure also provides a display panel including the above display substrate and oppositely disposed opposite substrates.
  • the present disclosure also provides a driving method for driving the above display substrate, comprising the steps of: loading the control voltage in the non-working phase to turn the control component on; and in the non-working phase, the controlling component is turned on to enable The voltage on the gate line is an on voltage.
  • FIG. 1 is a schematic structural view of a display substrate according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural view of a display substrate according to another embodiment of the present disclosure.
  • the display substrate includes a substrate substrate 1 and gate lines 2, data lines 3, and gate drivers on the substrate substrate 1.
  • the circuit 4, the gate line 2 and the gate driving circuit 4 are connected, and the base substrate 1 is further provided with an electrostatic ring 5 and control components corresponding to each of the gate lines 2, and each of the gate lines 2 passes through a corresponding control component and an electrostatic ring. 5 connections.
  • the electrostatic ring 5 is used to load a control voltage during a non-working phase to turn the control unit on.
  • the control unit is used to turn on during the non-working phase to cause the voltage on the gate line 2 to be the turn-on voltage.
  • the display substrate is provided with a display area and a peripheral area located around the display area, and the gate driving circuit 4, the electrostatic ring 5, and the control part are located in the peripheral area.
  • the number of the gate driving circuits 4 is two, and the two gate driving circuits 4 are respectively located at two sides of the display area.
  • Each gate line 2 is connected to two gate driving circuits 4.
  • two gate driving circuits 4 are used to realize bilateral simultaneous driving, especially for a large-sized display panel with a large internal load, which enables The gate line 2 reaches the set charging rate.
  • the number of the electrostatic rings 5 is two, and the two electrostatic rings 5 are respectively located on both sides of the display area.
  • the number of control components corresponding to each gate line 2 is two, and the two control components are respectively located on both sides of the display area.
  • Each control unit connects the corresponding gate line 2 to the electrostatic ring 5 on the same side of the display area. As shown in FIG.
  • one gate driving circuit 4 and one electrostatic ring 5 are located on the left side of the display area, and the other gate driving circuit 4 and the other electrostatic ring 5 are located on the right side of the display area; corresponding to each gate line Of the two control components, one control component is located on the left side of the display area and the other control component is located on the right side of the display area.
  • the control component includes an Electro-Static discharge (ESD) 6, the first end of the electrostatic resistor 6 is connected to the gate line 2, and the second end of the electrostatic resistor 6 is connected to the electrostatic ring 5. .
  • ESD Electro-Static discharge
  • the electrostatic ring 5 is used to apply a control voltage to the second end of the electrostatic resistor 6 during the non-working phase to turn the electrostatic resistor 6 on.
  • the electrostatic resistor 6 is used to be turned on during the non-operational phase so that the voltage on the gate line 2 is the turn-on voltage.
  • the number of the electrostatic resistors 6 corresponding to each of the gate lines 2 is two, and the two electrostatic resistors 6 are respectively located at two sides of the display area, specifically, an electrostatic resistor 6 is located at the display.
  • another electrostatic resistor 6 is located on the right side of the display area.
  • the electrostatic resistor 6 is connected to the electrostatic ring 5 on the same side of the display area, specifically, to the left of the display area.
  • the second end of the electrostatic resistor 6 is connected to the electrostatic ring 5 located on the left side of the display area; the second end of the electrostatic resistor 6 located on the right side of the display area is connected to the electrostatic ring 5 located on the right side of the display area.
  • the electrostatic ring 5 can also be connected to a Printed Circuit Board (PCB) by a chip on film (Chip On Flex, or, Chip On Film, COF for short).
  • PCB Printed Circuit Board
  • COF Chip On Film
  • the electrostatic ring 5 is used to ground the second end of the electrostatic resistor 6 during the working phase; the electrostatic resistor 6 is also used to discharge static electricity on the gate line 2 through the electrostatic ring 5.
  • each of the pixel units 7 includes a thin film transistor and a pixel electrode connected to the thin film transistor. It should be noted that, in FIG. 1 , only two gate lines 2 and two data lines 3 are taken as an example for description; in FIG. 1 , only three pixel units 7 are taken as an example, and three sub-pixel units are also conceivable. It can form one pixel, and the three sub-pixel units can be respectively disposed corresponding to the red color resistance, the green color resistance and the blue color resistance of the color filter substrate.
  • the display substrate further includes a common electrode line 8 on the base substrate 1, an electrostatic ring 9 and an electrostatic ring 10, and the common electrode line 8, the electrostatic ring 9 and the electrostatic ring 10 are both located in the peripheral region.
  • the common electrode line 8 is disposed around the display area, the electrostatic ring 9 is located above the display area, and the electrostatic ring 10 is located below the display area.
  • the common electrode line 8 is connected to the electrostatic ring 9 through the electrostatic resistor 11, and the common electrode line 8 is connected to the electrostatic ring 10 through the electrostatic resistor 12.
  • the data line 3 is connected to the electrostatic ring 9 through the electrostatic resistor 13, and the data line 3 is connected to the electrostatic ring 10 through the electrostatic resistor 14.
  • the display substrate further includes a ground line 15 on the base substrate 1, the ground line 15 is located in the peripheral area, and the common electrode line 8 is connected to the ground line 15 through the electrostatic resistor 16.
  • the data line 3, the common electrode line 8, the electrostatic ring 9, the electrostatic ring 10, and the ground line 15 can all be connected to the COF to achieve connection to the PCB through the COF.
  • the display substrate may be an array substrate.
  • the control voltage is applied to the electrostatic ring 5 to achieve static
  • the second end of the electric resistor 6 is loaded with a control voltage, at which time the control voltage is at a high level, since the voltage of the first end of the electrostatic resistor 6 is at a low level and the voltage at the second end of the electrostatic resistor 6 is at a high level. Therefore, the electrostatic resistor 6 is turned on.
  • the electrostatic ring 5 is applied with an opening voltage to the gate line 2 through the turned-on electrostatic resistor 6, which is at a high level, so that the voltage of the gate line 2 is set to a high level.
  • the gate driving circuit 4 After the display panel is turned on, it is in an active state, and the gate driving circuit 4 outputs a GOA output signal to the gate line 2, and the display area is displayed.
  • the electrostatic ring 5 is grounded, that is, the voltage of the electrostatic ring 5 is set to GND, so that the second end of the electrostatic resistor 6 is grounded, and the voltage on the gate line 2 is high when static electricity is generated on the gate line 2, so the electrostatic resistor 6 Open.
  • the gate line 2 can discharge static electricity through the opened electrostatic resistor 6 and the electrostatic ring 5, thereby preventing the static electricity of the gate line 2 from damaging the gate driving circuit.
  • the substrate is further provided with an electrostatic ring and a control component corresponding to the at least one gate line, and each gate line is connected to the electrostatic ring through a corresponding control component, and the electrostatic ring is The working phase loads the control voltage to turn on the control component, and the control component is turned on in the non-working phase to make the voltage on the gate line be the turn-on voltage.
  • the electrostatic ring applies a voltage to the gate line through the control component to implement the Xao function, without The gate driving circuit applies a voltage to the gate line, thereby avoiding charge accumulation inside the gate driving circuit, thereby improving the reliability of the gate driving circuit.
  • control component is an electrostatic resistor
  • the electrostatic resistor can discharge static electricity on the gate line through the electrostatic ring during the working phase, thereby preventing the static electricity of the gate line from damaging the gate driving circuit.
  • control unit and the electrostatic ring are respectively disposed on both sides of the gate line, so that the Xao function and the electrostatic discharge function can be better realized.
  • the display substrate includes a base substrate 1 and a gate line 2, a data line 3, and a gate on the base substrate 1.
  • the driving circuit 4, the gate line 2 and the gate driving circuit 4 are connected, and the substrate substrate 1 is further provided with an electrostatic ring and a control component corresponding to each gate line 2, and each gate line 2 passes through a corresponding control component and an electrostatic ring. connection.
  • the electrostatic ring is used to load the control voltage during the non-working phase to turn the control unit on.
  • the control unit is used to turn on during the non-working phase to cause the voltage on the gate line 2 to be the turn-on voltage.
  • the display substrate is provided with a display area and a peripheral area located around the display area, and the gate driving circuit 4, the electrostatic ring and the control part are located in the peripheral area.
  • the number of the gate driving circuits 4 is two, and the two gate driving circuits 4 are respectively located at two sides of the display area.
  • Each gate line 2 is connected to two gate driving circuits 4.
  • two gate driving circuits 4 are used to realize bilateral simultaneous driving, especially for a large-sized display panel with a large internal load, which enables The gate line 2 reaches the set charging rate.
  • the number of the electrostatic rings is two, and the two electrostatic rings are respectively located on both sides of the display area.
  • the number of control components corresponding to each gate line 2 is two, and the two control components are respectively located on both sides of the display area.
  • Each control unit is connected to a corresponding gate line 2 and an electrostatic ring on the same side of the display area. As shown in FIG.
  • one gate driving circuit 4 and one electrostatic ring are located on the left side of the display area, and the other gate driving circuit 4 and the other electrostatic ring are located on the right side of the display area; two corresponding to each gate line Of the control components, one control component is located on the left side of the display area, and the other control component is located on the right side of the display area.
  • the control component includes a switch tube 17, and the electrostatic ring includes a first sub-static ring 18 and a second sub-electrostatic ring 19.
  • the control electrode of the switch tube 17 is connected to the first sub-static ring 18, and the first switch tube 17 is The pole is connected to the gate line 2, and the second pole of the switch tube 17 is connected to the second sub-electrostatic ring 19.
  • the control voltage includes a first control sub voltage and a second control sub voltage.
  • the first sub-electrostatic ring 18 is used to apply a first control sub-voltage to the control electrode of the switching tube 17 during the non-working phase to turn the switching tube 17 on.
  • the second sub-electrostatic ring 19 is used to apply a second control sub-voltage to the second pole of the switching tube 17 during the non-working phase.
  • the switching transistor 17 is used to be turned on during the non-working phase so that the voltage on the gate line 2 is the turn-on voltage.
  • the number of the switch tubes 17 corresponding to each gate line 2 is two, and the two switch tubes 17 are respectively located at two sides of the display area. Specifically, one switch tube 17 is located on the left side of the display area. The other switch tube 17 is located on the right side of the display area.
  • the switch tube 17 is connected to the first sub-electrostatic ring 18 and the second sub-electrostatic ring 19 on the same side of the display area.
  • control pole of the switch tube 17 located on the left side of the display area and the first sub-section located on the left side of the display area The electrostatic ring 18 is connected, the second pole of the switch tube 17 located on the left side of the display area is connected to the second sub-electrostatic ring 19 located on the left side of the display area; the control pole of the switch tube 17 located on the right side of the display area is located at the right of the display area.
  • the first sub-electrostatic ring 18 on the side is connected, and the switch is located on the right side of the display area.
  • the second pole of the tube 17 is connected to a second sub-electrostatic ring 19 located to the right of the display area.
  • first sub-electrostatic ring 18 and the second sub-electrostatic ring 19 are also connected to a printed circuit board (Chip On Flex, or, Chip On Film, COF for short). Referred to as PCB).
  • PCB printed circuit board
  • each of the pixel units 7 includes a thin film transistor and a pixel electrode connected to the thin film transistor. It should be noted that, in FIG. 2, only two gate lines 2 and two data lines 3 are taken as an example for description; in FIG. 2, only three pixel units 7 are taken as an example for description, and it is also conceivable to form three pixels.
  • the three sub-pixel units may be respectively disposed corresponding to the red color resistance, the green color resistance, and the blue color resistance of the color filter substrate.
  • the display substrate further includes a common electrode line 8 on the base substrate 1, an electrostatic ring 9 and an electrostatic ring 10, and the common electrode line 8, the electrostatic ring 9 and the electrostatic ring 10 are both located in the peripheral region.
  • the common electrode line 8 is disposed around the display area, the electrostatic ring 9 is located above the display area, and the electrostatic ring 10 is located below the display area.
  • the common electrode line 8 is connected to the electrostatic ring 9 through the electrostatic resistor 11, and the common electrode line 8 is connected to the electrostatic ring 10 through the electrostatic resistor 12.
  • the data line 3 is connected to the electrostatic ring 9 through the electrostatic resistor 13, and the data line 3 is connected to the electrostatic ring 10 through the electrostatic resistor 14.
  • the display substrate further includes a ground line 15 on the base substrate 1, the ground line 15 is located in the peripheral area, and the common electrode line 8 is connected to the ground line 15 through the electrostatic resistor 16.
  • the data line 3, the common electrode line 8, the electrostatic ring 9, the electrostatic ring 10, and the ground line 15 can all be connected to the COF to achieve connection to the PCB through the COF.
  • the switch tube 17 can be a TFT.
  • the TFT is used as the switch tube 17, and the TFT can be formed simultaneously in the process of the display panel without adding a new manufacturing process, thereby reducing the manufacturing cost.
  • the display substrate may be an array substrate.
  • the first control sub-voltage is applied to the first sub-electrostatic ring 18 to load the first control sub-voltage to the control electrode of the switch tube 17, and the first control sub-voltage is high.
  • the switch 17 is turned on under the control of the first control sub-voltage.
  • the second sub-electrostatic ring 19 is loaded with a second control sub-voltage, and the second sub-electrostatic ring 19 is applied with an open voltage to the gate line 2 through the open switch tube 17, and the second control sub-voltage is at a high level, so the turn-on voltage is high.
  • the level is such that the voltage of the gate line 2 is set to a high level.
  • the voltages of all the gate lines 2 on the display panel 2 are all set to a high level, so that the TFTs of all the sub-pixels are turned on to discharge the pixel electrodes, thereby realizing the Xao function.
  • the voltage value of the turn-on voltage on the gate line 2 when the Xao function is realized is controlled, and the voltage on the gate line 2 is controllable when the Xao function is realized.
  • the gate drive circuit 4 After the display panel is powered on, the first control sub-voltage loaded by the first sub-electrostatic ring 18 is at a low level, and the second control sub-voltage loaded by the second sub-electrostatic ring 19 is at a low level, so that the switch tube 17 is turned off. At this time, the gate drive circuit 4 outputs a GOA output signal to the gate line 2, and the display area is displayed.
  • the substrate is further provided with an electrostatic ring and a control component corresponding to the at least one gate line, and each gate line is connected to the electrostatic ring through a corresponding control component, and the electrostatic ring is The working phase loads the control voltage to turn on the control component, and the control component is turned on in the non-working phase to make the voltage on the gate line be the turn-on voltage.
  • the electrostatic ring applies a voltage to the gate line through the control component to implement the Xao function, without The gate driving circuit applies a voltage to the gate line, thereby avoiding charge accumulation inside the gate driving circuit, thereby improving the reliability of the gate driving circuit.
  • the control component includes a switch tube
  • the static ring includes a first sub-electrostatic ring and a second sub-electrostatic ring.
  • the gate line of the Xao function is realized.
  • the voltage is controllable.
  • the control unit and the electrostatic ring are respectively disposed on both sides of the gate line, so that the Xao function can be better realized.
  • the TFT since the TFT is used as the switch tube 17, the TFT can be simultaneously formed in the process of the display panel without adding a new manufacturing process, thereby reducing the manufacturing cost.
  • Yet another embodiment of the present disclosure provides a display substrate including a substrate substrate and gate lines, data lines, and gate driving circuits over the substrate substrate, the gate lines and the gate driving circuit being connected, An electrostatic ring and a control component corresponding to the at least one gate line are further disposed on the base substrate, and each of the gate lines is connected to the electrostatic ring through a corresponding control component.
  • the electrostatic ring is used to load the control voltage during the non-working phase to turn the control unit on.
  • the control unit is used to turn on during the non-working phase to make the voltage on the gate line the turn-on voltage.
  • the control component comprises an electrostatic resistor and a switch tube
  • the electrostatic ring comprises a first sub-electrostatic ring and a second sub-static ring
  • the first end of the electrostatic resistor is connected to the gate line
  • the second end of the electrostatic resistor is connected to the second
  • the control electrode of the switch tube is connected to the first sub-electrostatic ring
  • the first pole of the switch tube is connected to the gate line
  • the second pole of the switch tube is connected to the second sub-electrostatic ring.
  • the control voltage includes a first control sub voltage and a second control sub voltage.
  • the first sub-electrostatic ring is configured to load a first control sub-voltage to a control pole of the switch tube to enable the switch tube to be turned on during a non-working phase; and the second sub-electrostatic ring is used for a non-working phase a second pole of the switch tube is loaded with a second control sub-voltage and a second control sub-voltage is applied to the second end of the electrostatic resistor to turn on the electrostatic resistor; the switch tube and the electrostatic resistor are used It is turned on during the non-working phase so that the voltage on the gate line is the turn-on voltage.
  • the second sub-electrostatic ring is further configured to ground the second end of the electrostatic impedance during the working phase; the electrostatic resistor is further configured to release the static electricity on the gate line by the second sub-electrostatic ring .
  • the voltage applied by the first sub-electrostatic ring is a low level, and the low level may be a negative voltage, so that the switch tube is turned off.
  • the voltage of the second sub-electrostatic ring can be GND, that is, the second sub-electrostatic ring is grounded, so that the electrostatic resistor releases the static electricity on the grid line through the second sub-electrostatic ring.
  • the technical solution of the display substrate provided by this embodiment is a technical solution combining the above two embodiments. Therefore, the structure and principle description of the electrostatic impedance device, the switch tube, the first sub-electrostatic ring and the second sub-electrostatic ring can be referred to the above. Embodiments are not described in detail herein.
  • the substrate is further provided with an electrostatic ring and a control component corresponding to the at least one gate line, and each gate line is connected to the electrostatic ring through a corresponding control component, and the electrostatic ring is The control phase loads the control voltage to turn on the control component, and the control component is turned on in the non-working phase to make the voltage on the gate line be the turn-on voltage.
  • the electrostatic ring passes through the control component to the gate line. The voltage is applied to realize the Xao function, and the gate driving circuit is not required to load the voltage on the gate line, thereby avoiding the internal charge accumulation of the gate driving circuit, thereby improving the reliability of the gate driving circuit.
  • the embodiment of the present disclosure further provides a display panel including a display substrate and a counter substrate disposed opposite to each other, and the display substrate can adopt the display substrate of the above embodiment.
  • the display substrate is an array substrate, and the opposite substrate is a color filter substrate.
  • an electrostatic ring and a control component corresponding to at least one gate line are further disposed on the base substrate, and each gate line is connected to the electrostatic ring through a corresponding control component, and the electrostatic ring is in the non- The working phase loads the control voltage to turn on the control component, and the control component is turned on in the non-working phase to make the voltage on the gate line be the turn-on voltage.
  • the electrostatic ring applies a voltage to the gate line through the control component to implement the Xao function, without The gate driving circuit applies a voltage to the gate line, thereby avoiding charge accumulation inside the gate driving circuit, thereby improving the reliability of the gate driving circuit.
  • An embodiment of the present disclosure further provides a driving method of a display substrate including a substrate substrate and gate lines, data lines, and gate driving circuits over the substrate substrate, the gate lines and the a gate driving circuit is connected, and the substrate substrate is further provided with an electrostatic ring and a control component corresponding to the at least one gate line, and each of the gate lines is connected to the electrostatic ring through a corresponding control component;
  • the method includes:
  • the non-working phase of the electrostatic ring loads a control voltage to cause the control component to turn on;
  • the control unit is turned on during the non-working phase to cause the voltage on the gate line to be an on voltage.
  • the substrate is further provided with an electrostatic ring and a control component corresponding to the at least one gate line, and each gate line is connected to the electrostatic ring through a corresponding control component, and the static electricity is
  • the ring loads the control voltage in the non-working phase to turn on the control component, and the control component is turned on in the non-working phase to make the voltage on the gate line be the turn-on voltage.
  • the electrostatic ring applies a voltage to the gate line through the control component to realize Xao. The function eliminates the need for the gate driving circuit to apply voltage to the gate line, thereby avoiding charge accumulation inside the gate driving circuit, thereby improving the reliability of the gate driving circuit.

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Abstract

一种显示基板及其驱动方法以及显示面板，显示基板包括衬底基板（1）和位于衬底基板（1）之上的栅线（2）、数据线（3）和栅极驱动电路（4），栅线（2）和栅极驱动电路（4）连接，衬底基板（1）上还设置有静电环（5）和与至少一条栅线（2）对应的控制部件，每条栅线（2）通过对应的控制部件与静电环（5）连接；静电环（5）用于在非工作阶段加载控制电压以使控制部件开启；控制部件用于在非工作阶段开启以使栅线（2）上的电压为开启电压。

Description

显示基板及其驱动方法以及显示面板
相关申请的交叉引用
本申请要求于2017年5月19日递交中国专利局的、申请号为201710358989.7的中国专利申请的权益，该申请的全部公开内容以引用方式并入本文。
技术领域
本公开涉及显示技术领域，特别涉及一种显示基板及其驱动方法以及显示面板。
背景技术
栅极驱动电路(Gate Driver on Array，简称：GOA)技术的设计关键点是移位寄存电路和该移位寄存电路的可靠性。但是，为解决关机残影问题，显示器产品在关机后通常会开启Xao功能，即将所有栅线上的电压都置为高电平，则显示面板内全部子像素的薄膜晶体管(Thin Film Transistor，简称：TFT)打开，对其像素电极放电。常规的GOA的输出端直接连接栅线。当Xao功能开启时，通过GOA信号线给栅线加载高电平，此时GOA信号线和栅线均为高电平，导致GOA内部的电荷积累，使其对应的TFT处于压力(Stress)状态，从而降低了GOA的可靠性。
发明内容
本公开提供一种显示基板，包括衬底基板和所述衬底基板上的栅线和栅极驱动电路，所述栅线和所述栅极驱动电路连接，其中，所述衬底基板上还设置有静电环和与至少一条栅线对应的控制部件，所述至少一条栅线通过所述对应 的控制部件与所述静电环连接。
可选地，所述静电环用于在非工作阶段加载控制电压以使所述控制部件开启；所述控制部件用于在非工作阶段开启以使所述栅线上的电压为开启电压。
可选地，所述显示基板上设置有显示区域和位于显示区域周边的周边区域，所述栅极驱动电路、所述静电环和所述控制部件位于所述周边区域中。
可选地，所述栅极驱动电路的数量为二个，二个所述栅极驱动电路分别位于所述显示区域的两侧；所述静电环的数量为二个，二个所述静电环分别位于所述显示区域的两侧；与每条栅线对应二个控制部件，二个所述控制部件分别位于显示区域的两侧；每个所述控制部件将对应的栅线和位于显示区域相同侧的静电环相连。
可选地，所述控制部件包括静电阻抗器，所述静电阻抗器的第一端连接至所述栅线，所述静电阻抗器的第二端连接至所述静电环。
可选地，所述静电环用于在非工作阶段向所述静电阻抗器的第二端加载控制电压以使所述静电阻抗器开启；所述静电阻抗器用于在非工作阶段开启以使所述栅线上的电压为开启电压。
可选地，所述静电环还用于在工作阶段使静电阻抗器的第二端接地；所述静电阻抗器还用于通过所述静电环释放所述栅线上的静电。
可选地，所述控制部件包括开关管，所述静电环包括第一子静电环和第二子静电环，所述开关管的控制极连接至所述第一子静电环，所述开关管的第一极连接至所述栅线，所述开关管的第二极连接至所述第二子静电环。
可选地，所述控制电压包括第一控制子电压和第二控制子电压；所述第一子静电环用于在非工作阶段向所述开关管的控制极加载第一控制子电压以使所述开关管开启；所述第二子静电环用于在非工作阶段向所述开关管的第二极加载第二控制子电压；所述开关管用于在非工作阶段开启以使所述栅线上的电压为开启电压。
可选地，所述控制部件包括静电阻抗器和开关管，所述静电环包括第一子 静电环和第二子静电环，所述静电阻抗器的第一端连接至所述栅线，所述静电阻抗器的第二端连接至所述第二子静电环，所述开关管的控制极连接至所述第一子静电环，所述开关管的第一极连接至所述栅线，所述开关管的第二极连接至所述第二子静电环。
可选地，所述控制电压包括第一控制子电压和第二控制子电压；所述第一子静电环用于在非工作阶段向所述开关管的控制极加载第一控制子电压以使所述开关管开启；所述第二子静电环用于在非工作阶段向所述开关管的第二极加载第二控制子电压以及向所述静电阻抗器的第二端加载第二控制子电压以使所述静电阻抗器开启；所述开关管和所述静电阻抗器用于在非工作阶段开启以使所述栅线上的电压为开启电压。
可选地，所述控制电压为高电平，所述开启电压为高电平。
可选地，所述第一控制子电压为高电平，所述第二控制子电压为高电平，所述开启电压为高电平。
本公开还提供一种显示面板，包括上述的显示基板和相对设置的对置基板。
本公开还提供一种用于驱动上述显示基板的驱动方法，包括以下步骤：在非工作阶段所述静电环加载控制电压以使所述控制部件开启；在非工作阶段所述控制部件开启以使所述栅线上的电压为开启电压。
附图说明
图1为本公开的一个实施例的显示基板的结构示意图；
图2为本公开的另一个实施例的显示基板的结构示意图。
具体实施方式
为使本领域的技术人员更好地理解本公开的技术方案，下面结合附图对本公开提供的显示基板及其驱动方法和显示面板进行详细描述。
图1为本公开的一个实施例的显示基板的结构示意图，如图1所示，该显示基板包括衬底基板1和位于衬底基板1之上的栅线2、数据线3和栅极驱动电路4，栅线2和栅极驱动电路4连接，衬底基板1上还设置有静电环5和与每条栅线2对应的控制部件，每条栅线2通过对应的控制部件与静电环5连接。静电环5用于在非工作阶段加载控制电压以使控制部件开启。控制部件用于在非工作阶段开启以使栅线2上的电压为开启电压。
本实施例中，显示基板上设置有显示区域和位于显示区域周边的周边区域，栅极驱动电路4、静电环5和控制部件位于周边区域中。
可选地，栅极驱动电路4的数量为二个，二个栅极驱动电路4分别位于显示区域的两侧。每条栅线2均连接至二个栅极驱动电路4，本实施例中采用二个栅极驱动电路4实现了双边同时驱动，特别是对于内部负载较大的大尺寸的显示面板，能够使栅线2达到设定的充电率。静电环5的数量为二个，二个静电环5分别位于显示区域的两侧。每条栅线2对应的控制部件的数量为二个，二个控制部件分别位于显示区域的两侧。每个控制部件将对应的栅线2和位于显示区域相同侧的静电环5相连。如图1所示，一个栅极驱动电路4和一个静电环5位于显示区域的左侧，另一个栅极驱动电路4和另一个静电环5位于显示区域的右侧；与每条栅线对应的二个控制部件中，一个控制部件位于显示区域的左侧，另一个控制部件位于显示区域的右侧。
本实施例中，控制部件包括静电阻抗器(Electro-Static discharge，简称：ESD)6，静电阻抗器6的第一端连接至栅线2，静电阻抗器6的第二端连接至静电环5。静电环5用于在非工作阶段向静电阻抗器6的第二端加载控制电压以使静电阻抗器6开启。静电阻抗器6用于在非工作阶段开启以使栅线2上的电压为开启电压。本实施例中，可选地，每条栅线2对应的静电阻抗器6的数量为二个，二个静电阻抗器6分别位于显示区域的两侧，具体地，一个静电阻抗器6位于显示区域的左侧，另一个静电阻抗器6位于显示区域的右侧。静电阻抗器6与位于显示区域相同侧的静电环5连接，具体地，位于显示区域左侧 的静电阻抗器6的第二端与位于显示区域左侧的静电环5连接；位于显示区域右侧的静电阻抗器6的第二端与位于显示区域右侧的静电环5连接。
在可选的实施例中，静电环5还可以通过覆晶薄膜(Chip On Flex,or,Chip On Film，简称COF)连接至印刷线路板(Printed Circuit Board，简称PCB)。
进一步地，静电环5用于在工作阶段使静电阻抗器6的第二端接地；静电阻抗器6还用于通过静电环5释放栅线2上的静电。
本实施例中，多条栅线2和多条数据线3交叉限定出像素单元7，在可选的实施例中，每个像素单元7包括薄膜晶体管和与薄膜晶体管连接的像素电极。需要说明的是：图1中仅以两条栅线2和两条数据线3为例进行描述；图1中仅以三个像素单元7为例进行描述，也可以设想为三个子像素单元，其可形成一个像素，则三个子像素单元可分别与彩膜基板的红色色阻、绿色色阻和蓝色色阻对应设置。
进一步地，显示基板还包括位于衬底基板1上的公共电极线8、静电环9和静电环10，公共电极线8、静电环9和静电环10均位于周边区域。其中，公共电极线8围绕显示区域设置，静电环9位于显示区域的上方，静电环10位于显示区域的下方。公共电极线8通过静电阻抗器11与静电环9连接，公共电极线8通过静电阻抗器12与静电环10连接。数据线3通过静电阻抗器13与静电环9连接，数据线3通过静电阻抗器14与静电环10连接。进一步地，显示基板还包括位于衬底基板1上的地线15，地线15位于周边区域中，公共电极线8通过静电阻抗器16与地线15连接。本实施例中，数据线3、公共电极线8、静电环9、静电环10和地线15均可连接至COF，以实现通过COF连接至PCB。
本实施例中，显示基板可以为阵列基板。
下面结合图1对包括本实施例的显示基板的显示面板的工作过程进行详细描述。
显示面板关机后处于非工作状态，静电环5上加载控制电压，以实现向静 电阻抗器6的第二端加载控制电压，此时控制电压为高电平，由于静电阻抗器6的第一端的电压为低电平且静电阻抗器6的第二端的电压为高电平，因此静电阻抗器6开启。而后，静电环5通过开启的静电阻抗器6向栅线2上加载开启电压，该开启电压为高电平，使得栅线2的电压置为高电平。采用上述方法，显示面板2上的所有栅线2的电压均置为高电平，使得全部子像素的TFT开启，以实现对像素电极进行放电，从而实现Xao功能。
显示面板开机后处于工作状态，栅极驱动电路4向栅线2输出GOA输出信号，显示区域进行显示。静电环5接地，即静电环5的电压置为GND，使得静电阻抗器6的第二端接地，当栅线2上产生静电时栅线2上的电压为高电平，因此静电阻抗器6开启。栅线2可通过开启的静电阻抗器6和静电环5释放静电，从而避免了栅线2的静电对栅极驱动电路造成损伤。
本实施例提供的显示基板的技术方案中，衬底基板上还设置有静电环和与至少一条栅线对应的控制部件，每条栅线通过对应的控制部件与静电环连接，静电环在非工作阶段加载控制电压以使控制部件开启，控制部件在非工作阶段开启以使栅线上的电压为开启电压，本实施例中静电环通过控制部件向栅线上加载电压以实现Xao功能，无需栅极驱动电路向栅线上加载电压，避免了栅极驱动电路内部电荷累积，从而提高了栅极驱动电路的可靠性。本实施例中，控制部件为静电阻抗器，静电阻抗器可在工作阶段通过静电环释放栅线上的静电，从而避免了栅线的静电对栅极驱动电路造成损伤。本实施例中，栅线的两侧分别设置有控制部件和静电环，从而能够更好的实现Xao功能以及静电放电功能。
图2为本公开的另一实施例的显示基板的结构示意图，如图2所示，该显示基板包括衬底基板1和位于衬底基板1之上的栅线2、数据线3和栅极驱动电路4，栅线2和栅极驱动电路4连接，衬底基板1上还设置有静电环和与每条栅线2对应的控制部件，每条栅线2通过对应的控制部件与静电环连接。静电环用于在非工作阶段加载控制电压以使控制部件开启。控制部件用于在非工作阶段开启以使栅线2上的电压为开启电压。
本实施例中，显示基板上设置有显示区域和位于显示区域周边的周边区域，栅极驱动电路4、静电环和控制部件位于周边区域中。
可选地，栅极驱动电路4的数量为二个，二个栅极驱动电路4分别位于显示区域的两侧。每条栅线2均连接至二个栅极驱动电路4，本实施例中采用二个栅极驱动电路4实现了双边同时驱动，特别是对于内部负载较大的大尺寸的显示面板，能够使栅线2达到设定的充电率。静电环的数量为二个，二个静电环分别位于显示区域的两侧。每条栅线2对应的控制部件的数量为二个，二个控制部件分别位于显示区域的两侧。每个控制部件与对应的栅线2和位于显示区域相同侧的静电环连接。如图2所示，一个栅极驱动电路4和一个静电环位于显示区域的左侧，另一个栅极驱动电路4和另一个静电环位于显示区域的右侧；与每条栅线对应的二个控制部件中，一个控制部件位于显示区域的左侧，另一个控制部件位于显示区域的右侧。
本实施例中，控制部件包括开关管17，静电环包括第一子静电环18和第二子静电环19，开关管17的控制极连接至第一子静电环18，开关管17的第一极连接至栅线2，开关管17的第二极连接至第二子静电环19。控制电压包括第一控制子电压和第二控制子电压。第一子静电环18用于在非工作阶段向开关管17的控制极加载第一控制子电压以使开关管17开启。第二子静电环19用于在非工作阶段向开关管17的第二极加载第二控制子电压。开关管17用于在非工作阶段开启以使栅线2上的电压为开启电压。本实施中，可选地，每条栅线2对应的开关管17的数量为二个，二个开关管17分别位于显示区域的两侧，具体地，一个开关管17位于显示区域的左侧，另一个开关管17位于显示区域的右侧。开关管17与位于显示区域相同侧的第一子静电环18和第二子静电环19连接，具体地，位于显示区域左侧的开关管17的控制极与位于显示区域左侧的第一子静电环18连接，位于显示区域左侧的开关管17的第二极与位于显示区域左侧的第二子静电环19连接；位于显示区域右侧的开关管17的控制极与位于显示区域右侧的第一子静电环18连接，位于显示区域右侧的开关 管17的第二极与位于显示区域右侧的第二子静电环19连接。
在可选的实施例中，第一子静电环18和第二子静电环19还通过覆晶薄膜(Chip On Flex,or,Chip On Film，简称COF)连接至印刷线路板(Printed Circuit Board，简称PCB)。
本实施例中，多条栅线2和多条数据线3交叉限定出像素单元7，在可选的实施例中，每个像素单元7包括薄膜晶体管和与薄膜晶体管连接的像素电极。需要说明的是：图2中仅以两条栅线2和两条数据线3为例进行描述；图2中仅以三个像素单元7为例进行描述，也可以设想为形成一个像素的三个子像素单元，则三个子像素单元可分别与彩膜基板的红色色阻、绿色色阻和蓝色色阻对应设置。
进一步地，该显示基板还包括位于衬底基板1上的公共电极线8、静电环9和静电环10，公共电极线8、静电环9和静电环10均位于周边区域。其中，公共电极线8围绕显示区域设置，静电环9位于显示区域的上方，静电环10位于显示区域的下方。公共电极线8通过静电阻抗器11与静电环9连接，公共电极线8通过静电阻抗器12与静电环10连接。数据线3通过静电阻抗器13与静电环9连接，数据线3通过静电阻抗器14与静电环10连接。进一步地，该显示基板还包括位于衬底基板1上的地线15，地线15位于周边区域中，公共电极线8通过静电阻抗器16与地线15连接。本实施例中，数据线3、公共电极线8、静电环9、静电环10和地线15均可连接至COF，以实现通过COF连接至PCB。
本实施例中，开关管17可以为TFT。采用TFT作为开关管17，该TFT可以在显示面板的工艺制程中同时形成，无需增加新的制作流程，从而降低了制造成本。
本实施例中，显示基板可以为阵列基板。
下面结合图2对包括本实施例的显示基板的显示面板的工作过程进行详细描述。
显示面板关机后处于非工作状态，第一子静电环18上加载第一控制子电压，以实现向开关管17的控制极加载第一控制子电压，此时第一控制子电压为高电平，开关管17在第一控制子电压的控制下开启。第二子静电环19上加载第二控制子电压，第二子静电环19通过开启的开关管17向栅线2上加载开启电压，第二控制子电压为高电平，因此开启电压为高电平，使得栅线2的电压置为高电平。采用上述方法，显示面板2上的所有栅线2的电压均置为高电平，使得全部子像素的TFT开启，以实现对像素电极进行放电，从而实现Xao功能。通过控制第二子静电环19上加载的第二控制子电压，来控制实现Xao功能时栅线2上的开启电压的电压值，实现了Xao功能时栅线2上的电压可控。
显示面板开机后处于工作状态，第一子静电环18加载的第一控制子电压为低电平，第二子静电环19加载的第二控制子电压为低电平，使得开关管17关闭。此时，栅极驱动电路4向栅线2输出GOA输出信号，显示区域进行显示。
本实施例提供的显示基板的技术方案中，衬底基板上还设置有静电环和与至少一条栅线对应的控制部件，每条栅线通过对应的控制部件与静电环连接，静电环在非工作阶段加载控制电压以使控制部件开启，控制部件在非工作阶段开启以使栅线上的电压为开启电压，本实施例中静电环通过控制部件向栅线上加载电压以实现Xao功能，无需栅极驱动电路向栅线上加载电压，避免了栅极驱动电路内部电荷累积，从而提高了栅极驱动电路的可靠性。本实施例中，控制部件包括开关管，静电环包括第一子静电环和第二子静电环，通过控制第二子静电环上加载的第二控制子电压，实现了Xao功能时栅线上的电压可控。本实施例中，栅线的两侧分别设置有控制部件和静电环，从而能够更好的实现Xao功能。本实施例中，由于采用TFT作为开关管17，该TFT可以在显示面板的工艺制程中同时形成，无需增加新的制作流程，从而降低了制造成本。
本公开的又一实施例提供了一种显示基板，该显示基板包括衬底基板和位于衬底基板之上的栅线、数据线和栅极驱动电路，栅线和栅极驱动电路连接， 衬底基板上还设置有静电环和与至少一条栅线对应的控制部件，每条栅线通过对应的控制部件与静电环连接。静电环用于在非工作阶段加载控制电压以使控制部件开启。控制部件用于在非工作阶段开启以使栅线上的电压为开启电压。其中，控制部件包括静电阻抗器和开关管，静电环包括第一子静电环和第二子静电环，静电阻抗器的第一端连接至栅线，静电阻抗器的第二端连接至第二子静电环，开关管的控制极连接至第一子静电环，开关管的第一极连接至栅线，开关管的第二极连接至第二子静电环。
本实施例中，控制电压包括第一控制子电压和第二控制子电压。所述第一子静电环用于在非工作阶段向所述开关管的控制极加载第一控制子电压以使所述开关管开启；所述第二子静电环用于在非工作阶段向所述开关管的第二极加载第二控制子电压以及向所述静电阻抗器的第二端加载第二控制子电压以使所述静电阻抗器开启；所述开关管和所述静电阻抗器用于在非工作阶段开启以使所述栅线上的电压为开启电压。
进一步地，所述第二子静电环还用于在工作阶段使静电阻抗器的第二端接地；所述静电阻抗器还用于通过所述第二子静电环释放所述栅线上的静电。
本实施例中，显示面板开机后处于工作状态时，第一子静电环加载的电压为低电平，该低电平可以为负电压，以使开关管关闭。第二子静电环加载的电压可以为GND，即第二子静电环接地，以使静电阻抗器通过第二子静电环释放栅线上的静电。
本实施例提供的显示基板的技术方案是上述两个实施例相结合的技术方案，因此对静电阻抗器、开关管、第一子静电环和第二子静电环的结构和原理描述可参见上述实施例，此处不再具体描述。
本实施例提供的显示基板的技术方案中，衬底基板上还设置有静电环和与至少一条栅线对应的控制部件，每条栅线通过对应的控制部件与静电环连接，静电环在非工作阶段加载控制电压以使控制部件开启，控制部件在非工作阶段开启以使栅线上的电压为开启电压，本实施例中静电环通过控制部件向栅线上 加载电压以实现Xao功能，无需栅极驱动电路向栅线上加载电压，避免了栅极驱动电路内部电荷累积，从而提高了栅极驱动电路的可靠性。
本公开实施例还提供了一种显示面板，该显示面板包括相对设置的显示基板和对置基板，该显示基板可采用上述实施例的显示基板。
本实施例中，显示基板为阵列基板，对置基板为彩膜基板。
本实施例提供的显示面板的技术方案中，衬底基板上还设置有静电环和与至少一条栅线对应的控制部件，每条栅线通过对应的控制部件与静电环连接，静电环在非工作阶段加载控制电压以使控制部件开启，控制部件在非工作阶段开启以使栅线上的电压为开启电压，本实施例中静电环通过控制部件向栅线上加载电压以实现Xao功能，无需栅极驱动电路向栅线上加载电压，避免了栅极驱动电路内部电荷累积，从而提高了栅极驱动电路的可靠性。
本公开实施例还提供了一种显示基板的驱动方法，该显示基板包括衬底基板和位于所述衬底基板之上的栅线、数据线和栅极驱动电路，所述栅线和所述栅极驱动电路连接，所述衬底基板上还设置有静电环和与至少一条栅线对应的控制部件，每条栅线通过对应的控制部件与所述静电环连接；
所述方法包括：
在非工作阶段所述静电环加载控制电压以使所述控制部件开启；
在非工作阶段所述控制部件开启以使所述栅线上的电压为开启电压。
本实施例提供的显示基板的驱动方法的技术方案中，衬底基板上还设置有静电环和与至少一条栅线对应的控制部件，每条栅线通过对应的控制部件与静电环连接，静电环在非工作阶段加载控制电压以使控制部件开启，控制部件在非工作阶段开启以使栅线上的电压为开启电压，本实施例中静电环通过控制部件向栅线上加载电压以实现Xao功能，无需栅极驱动电路向栅线上加载电压，避免了栅极驱动电路内部电荷累积，从而提高了栅极驱动电路的可靠性。
可以理解的是，以上实施方式仅仅是为了说明本公开的原理而采用的示例性实施方式，然而本公开并不局限于此。对于本领域内的普通技术人员而言， 在不脱离本公开的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本公开的保护范围。

Claims (15)

  1. 一种显示基板，包括衬底基板和所述衬底基板上的栅线和栅极驱动电路，所述栅线和所述栅极驱动电路连接，其中，所述衬底基板上还设置有静电环和与至少一条栅线对应的控制部件，所述至少一条栅线通过所述对应的控制部件与所述静电环连接。
  2. 根据权利要求1所述的显示基板，其中，
    所述静电环用于在非工作阶段加载控制电压以使所述控制部件开启；
    所述控制部件用于在非工作阶段开启以使所述栅线上的电压为开启电压。
  3. 根据权利要求1或2所述的显示基板，其中，所述显示基板上设置有显示区域和位于显示区域周边的周边区域，所述栅极驱动电路、所述静电环和所述控制部件位于所述周边区域中。
  4. 根据权利要求3所述的显示基板，其中，所述栅极驱动电路的数量为二个，二个所述栅极驱动电路分别位于所述显示区域的两侧；所述静电环的数量为二个，二个所述静电环分别位于所述显示区域的两侧；与每条栅线对应二个控制部件，二个所述控制部件分别位于显示区域的两侧；
    每个所述控制部件将对应的栅线和位于显示区域相同侧的静电环相连。
  5. 根据权利要求1或2所述的显示基板，其中，所述控制部件包括静电阻抗器，所述静电阻抗器的第一端连接至所述栅线，所述静电阻抗器的第二端连接至所述静电环。
  6. 根据权利要求5所述的显示基板，其中，所述静电环用于在非工作阶段向所述静电阻抗器的第二端加载控制电压以使所述静电阻抗器开启；
    所述静电阻抗器用于在非工作阶段开启以使所述栅线上的电压为开启电压。
  7. 根据权利要求6所述的显示基板，其中，所述静电环还用于在工作阶段使静电阻抗器的第二端接地；
    所述静电阻抗器还用于通过所述静电环释放所述栅线上的静电。
  8. 根据权利要求1或2所述的显示基板，其中，所述控制部件包括开关管，所述静电环包括第一子静电环和第二子静电环，所述开关管的控制极连接至所述第一子静电环，所述开关管的第一极连接至所述栅线，所述开关管的第二极连接至所述第二子静电环。
  9. 根据权利要求8所述的显示基板，其中，所述控制电压包括第一控制子电压和第二控制子电压；
    所述第一子静电环用于在非工作阶段向所述开关管的控制极加载第一控制子电压以使所述开关管开启；
    所述第二子静电环用于在非工作阶段向所述开关管的第二极加载第二控制子电压；
    所述开关管用于在非工作阶段开启以使所述栅线上的电压为开启电压。
  10. 根据权利要求1或2所述的显示基板，其中，所述控制部件包括静电阻抗器和开关管，所述静电环包括第一子静电环和第二子静电环，所述静电阻抗器的第一端连接至所述栅线，所述静电阻抗器的第二端连接至所述第二子静电环，所述开关管的控制极连接至所述第一子静电环，所述开关管的第一极连接至所述栅线，所述开关管的第二极连接至所述第二子静电环。
  11. 根据权利要求10所述的显示面板，其中，所述控制电压包括第一控 制子电压和第二控制子电压；
    所述第一子静电环用于在非工作阶段向所述开关管的控制极加载第一控制子电压以使所述开关管开启；
    所述第二子静电环用于在非工作阶段向所述开关管的第二极加载第二控制子电压以及向所述静电阻抗器的第二端加载第二控制子电压以使所述静电阻抗器开启；
    所述开关管和所述静电阻抗器用于在非工作阶段开启以使所述栅线上的电压为开启电压。
  12. 根据权利要求5至7中任一项所述的显示基板，其中，所述控制电压为高电平，所述开启电压为高电平。
  13. 根据权利要求8至10中任一项所述的显示基板，其中，所述第一控制子电压为高电平，所述第二控制子电压为高电平，所述开启电压为高电平。
  14. 一种显示面板，包括权利要求1至13中任一项所述的显示基板和相对设置的对置基板。
  15. 一种用于驱动权利要求1-13中的任一项所述的显示基板的驱动方法，包括以下步骤：
    在非工作阶段所述静电环加载控制电压以使所述控制部件开启；
    在非工作阶段所述控制部件开启以使所述栅线上的电压为开启电压。
PCT/CN2017/113566 2017-05-19 2017-11-29 显示基板及其驱动方法以及显示面板 Ceased WO2018209922A1 (zh)

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CN107945726A (zh) * 2017-11-22 2018-04-20 深圳市华星光电技术有限公司 一种阵列基板和显示面板
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WO2024021021A1 (zh) * 2022-07-29 2024-02-01 京东方科技集团股份有限公司 显示基板及其制作方法和显示装置

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