WO2020133632A1 - 显示装置的制造方法、修复方法及显示装置 - Google Patents

显示装置的制造方法、修复方法及显示装置 Download PDF

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Publication number
WO2020133632A1
WO2020133632A1 PCT/CN2019/073616 CN2019073616W WO2020133632A1 WO 2020133632 A1 WO2020133632 A1 WO 2020133632A1 CN 2019073616 W CN2019073616 W CN 2019073616W WO 2020133632 A1 WO2020133632 A1 WO 2020133632A1
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WIPO (PCT)
Prior art keywords
screen
drive circuit
output pin
driving circuit
display device
Prior art date
Application number
PCT/CN2019/073616
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English (en)
French (fr)
Inventor
纪飞林
陈伟
Original Assignee
惠科股份有限公司
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Publication date
Application filed by 惠科股份有限公司 filed Critical 惠科股份有限公司
Priority to US17/042,910 priority Critical patent/US11017703B2/en
Publication of WO2020133632A1 publication Critical patent/WO2020133632A1/zh

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    • 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
    • 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
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13458—Terminal pads
    • 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
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • 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
    • 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
    • G09G2310/0267—Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
    • 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
    • G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
    • 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
    • G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof

Definitions

  • the present application relates to the field of display technology, and in particular, to a manufacturing method, a repairing method of a display device, and a display device.
  • Flat panel displays have become the mainstream products of the display due to the hot spots such as thin body, power saving and low radiation, which have been widely used.
  • Flat panel displays include thin film transistor liquid crystal displays (Thin Film Transistor-Liquid Crystal (TFT-LCD) and organic light-emitting diode (Organic Light-Emitting Diode, OLED) displays, etc.
  • TFT-LCD Thi Film Transistor-Liquid Crystal
  • OLED Organic Light-Emitting Diode
  • the thin film transistor liquid crystal display controls the rotation direction of the liquid crystal molecules to refract the light of the backlight module to generate a picture, which has many advantages such as a thin body, power saving, and no radiation.
  • the present application provides a manufacturing method, a repairing method, and a display device for a display device, so that a display panel with a damaged single-sided gate drive circuit can be used normally, and the product yield can be improved.
  • the present application provides a method for manufacturing a display device, the display device including a display panel and a driving chip coupled to the display panel;
  • the display panel includes: a gate line; a first screen gate drive circuit and a second screen gate drive circuit, corresponding to the same set of gate lines; the manufacturing method includes: detecting the first screen gate drive circuit and Whether the gate drive circuit of the second screen is normal;
  • the first screen gate drive circuit and/or the second screen gate drive circuit and the drive chip are in a conducting state; when the detection result is damaged, the first screen The gate drive circuit and/or the second screen gate drive circuit are physically disconnected from the drive chip.
  • the present application also discloses a method for repairing a display device.
  • the display device includes a display panel and a driving chip coupled to the display panel;
  • the two sides of the display panel are respectively provided with a first screen gate driving circuit and a second screen gate driving circuit, and the driving chip is physically connected with the first screen gate driving circuit and the second screen gate driving circuit , One of the first screen gate drive circuit and the second screen gate drive circuit is damaged;
  • the repair method includes:
  • the present application also discloses a display device, including: a display panel; a driving chip coupled to the display panel; the display panel includes: a gate line; a first screen gate drive circuit and a second screen gate drive circuit , Corresponding to the same set of gate lines; wherein, in the first screen gate drive circuit and the second screen gate drive circuit, at least one screen gate drive circuit is in communication with the drive chip, and at least one screen The gate driving circuit is physically disconnected from the driving chip.
  • the entire display panel or display device is scrapped due to damage to the screen gate drive circuit on one side due to electrostatic damage or other factors.
  • the display panel will be tested to check whether the gate drive circuit of the first screen and the gate drive circuit of the second screen are normal.
  • the gate drive circuit and the second screen gate drive circuit are accurately tested to find the damaged screen gate drive circuit and the normal screen gate drive circuit, and the damaged screen gate drive circuit is physically disconnected from the corresponding signal line Open state, so that the normal screen gate drive circuit can receive the screen gate drive signal, and the damaged screen gate drive circuit does not receive the screen gate drive signal, at this time the damaged screen gate drive circuit and the normal screen grid
  • the pole drive circuit is not connected, and it will not affect the drive signal received by the normal screen gate drive circuit.
  • the normal screen gate drive circuit can independently drive the display panel to work normally, avoiding the display panel being scrapped and improving the display. The yield of the device.
  • FIG. 1 is a schematic diagram of a display device according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of another display device according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a circuit driving architecture of a display device according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a preparation process of a display device according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a circuit driving architecture of another display device according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a circuit driving architecture of another display device according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a circuit driving architecture of another display device according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a circuit driving architecture of another display device according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a repair process of a display device according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a circuit driving architecture of another display device according to an embodiment of the present application.
  • the features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more.
  • the term “including” and any variations thereof are intended to cover non-exclusive inclusions.
  • a large-size liquid crystal display panel 110 often has a gate driver 116 on both the left and right sides for bilateral driving.
  • the function of the gate driver 116 is used in In-plane (GOA) will become a trend, and various panel manufacturers have also developed GOA products.
  • the screen gate driving structure on the conventional display panel 110 is shown in FIG. 3.
  • the power chip 124 converts the input voltage to obtain the voltage and timing required by the timing controller 122 (T-CON) and the level shifter 123 (Level shifter).
  • the controller 122 outputs a logic level signal to the level shifter 123 to convert it into a level drive signal, which is transmitted to the screen gate drive circuits on the left and right sides of the display panel 110.
  • the display panel is turned on line by line The gate line 111 in 110.
  • the display panel 110 is susceptible to electrostatic damage or other factors during the production process causing damage to the single-sided screen gate drive circuit. Damage to the single-sided screen gate drive circuit will affect the drive signal of the other screen gate drive circuit and affect the display The display effect of the panel 110 is usually only scrapped.
  • an embodiment of the present application discloses a method for manufacturing a display device 100.
  • the display device 100 includes a display panel 110 and a driving chip 120 coupled to the display panel 110; the display panel 110 includes: a gate line 111; the first screen gate drive circuit 112 and the second screen gate drive circuit 113 correspond to the same group of gate lines 111;
  • Manufacturing methods include:
  • the display device 100 is mainly coupled by the display panel 110 and the driving chip 120, and the driving chip 120 transmits the screen gate driving signal to the screen gate driving circuit on the display panel 110, thereby turning on the gate line 111 in the display panel 110, so that the display device 100 is displayed normally.
  • the display panel 110 is provided with two screen gate drive circuits, namely a first screen gate drive circuit 112 and a second screen gate drive circuit 113, corresponding to the same set of gate lines 111, and the display panel 110 is driven bilaterally
  • the output of the first screen gate drive circuit 112 will be connected to the output of the second screen gate drive circuit 113. If the second screen gate drive circuit 113 does not display normally, it will also affect the normal first screen gate drive circuit The output of 112.
  • the display panel 110 is susceptible to electrostatic damage or other factors during the production process causing damage to the unilateral screen gate drive circuit. Any one of the first screen gate drive circuit 112 and the second screen gate drive circuit 113 will be affected.
  • the driving signal to another screen gate driving circuit affects the display effect of the display panel 110, so that the display panel 110 is scrapped.
  • the display panel 110 After the manufacturing of the display panel 110 is completed, before the corresponding driving chip 120 is connected, the display panel 110 will be tested to detect whether the first screen gate drive circuit 112 and the second screen gate drive circuit 113 are normal.
  • the first screen gate drive circuit 112 and the second screen gate drive circuit 113 of the display panel 110 that originally need to be scrapped are accurately tested to find out the damaged screen gate drive circuit and the normal screen gate drive circuit, and make the damage
  • the screen gate drive circuit is physically disconnected from the corresponding signal line, so that the normal screen gate drive circuit can receive the screen gate drive signal, and the damaged screen gate drive circuit does not receive the screen gate drive signal.
  • the damaged screen grid drive circuit is not connected to the normal screen grid drive circuit, and it will not affect the drive signal received by the normal screen grid drive circuit.
  • the normal screen grid drive circuit can drive the display alone.
  • the panel 110 works normally to avoid scrapping the display panel 110 and improve the yield of the display device 100.
  • the driving chip 120 is disposed on a driving circuit board 130, and the driving circuit board 130 is provided with a first output pin 131 and a second output pin 132.
  • the first screen gate driving circuit 112 is provided with a first signal
  • the receiving end 114 communicates with the first output pin 131 of the driving circuit board 130
  • the second screen gate driving circuit 113 is provided with a second signal receiving end 115, which communicates with the second output pin 132 of the driving circuit board 130
  • a break point 133 is provided between the output end 121 of the chip 120 and the first output pin 131 and the second output pin 132 of the driving circuit board 130; in the manufacturing method, when the detection result is normal, the first output The corresponding on-off point 133 between the pin 131 and/or the second output pin 132 is turned on; when the detection result is damaged, the corresponding between the first output pin 131 and/or the second output pin 132 is made The break point 133 is physically disconnected.
  • On-off points 133 are respectively provided between the output end 121 of the driving chip 120 and the first output pin 131 and the second output pin 132 of the driving circuit board 130, which can easily realize the first output pin 131 and/or Or the connection and disconnection state of the second output pin 132 and the output end 121 of the driving chip 120, that is, it is very easy to realize the first screen gate driving circuit 112 and/or the second screen gate driving circuit 113 and the driving chip 120 Connection and disconnection status.
  • the on-off point 133 includes a pad 134. When the two ends of the pad 134 are on, the on-off point 133 is on; when the two ends of the pad 134 are off, the on-off point 133 is off.
  • the pad 134 is an embodiment of the on-off point 133. When the two ends of the pad 134 are on, the on-off point 133 is on, and when the two ends of the pad 134 are off, the on-off point 133 is off.
  • the on-off point 133 is turned on by soldering a zero-ohm resistor 135 between the two ends of the pad 134; and the two ends of the pad 134 are disconnected by vacant non-welding.
  • the zero-ohm resistor 135 is a resistor with a very small resistance value, which has good conductivity and can function as a wire 136.
  • the zero-ohm resistor 135 can be set or removed according to the needs of signal transmission. It is very convenient to change the layout of the signal line. If the driving chip 120 needs to be connected to the first screen gate driving circuit 112, a zero-ohm resistor 135 can be welded to the pad 134 between the first output pin 131 and the output terminal 121 of the driving device to make the two Turn on; if the driving chip 120 needs to be physically disconnected from the first screen gate driving circuit 112, the pad 134 between the first output pin 131 and the output end 121 of the driving device can be left empty without soldering zero ohms The resistor 135 disconnects the two. The operation is very convenient and will not affect other traces of the driving circuit board 130.
  • the on-off point 133 is connected by connecting the wire 136 between the two ends of the pad 134; the wire 136 connected between the two ends is cut off Way to achieve physical disconnection. You can also connect the wire 136 between the two ends of the pad 134 to achieve the conduction of the on-off point 133. To disconnect the on-off point 133, you only need to cut off the wire 136 connected between the two ends of the pad 134, operation Simple and easy to implement.
  • the difference from the above embodiment is that the output end 121 of the driving chip 120 and the first output pin 131 are connected by a first signal line group 137, The output terminal 121 of the driving chip 120 and the second output pin 132 are connected through a second signal line group 138;
  • the screen gate driving signal includes a frame start control signal STV, a clock signal CK and a low frequency clock signal LC, the frame start After the control signal STV, the clock signal CK and the low-frequency clock signal LC are output from the output terminal 121 of the driving chip 120, they are transmitted to the first screen gate driving circuit 112 via the first signal line group 137, and at the same time, via the second signal line group 138 Transferred to the second screen gate drive circuit 113;
  • the first signal line group 137 includes a frame start control signal line, the same number of clock signal lines as the clock signal CK and the same number of low frequency clocks as the low frequency clock signal LC Signal lines;
  • the second signal line group 138 includes a frame start control signal line, the
  • the screen gate driving circuit needs the synergy of the frame start control signal STV, the clock signal CK, and the low-frequency clock signal LC to activate the gate line 111 of the display panel 110, thereby driving the display panel 110 to work normally.
  • Each screen gate drive signal requires a corresponding signal line transmission signal, so the number of signal lines is the same as the screen gate drive signal.
  • the first signal line group 137 corresponds to the first screen gate drive circuit 112.
  • the second signal line group 138 corresponds to the second screen gate drive circuit 113.
  • the first screen gate drive circuit 112 and the second screen gate drive circuit 113 receive the same type and number of signals, so the first signal line group 137 and The number of signal lines of the second signal line group 138 is the same, which is equal to the number of frame start control signals, clock signals, and low-frequency clock signals required by a single screen gate driving circuit.
  • each on-off point 133 on the first signal line group 137 is turned on, and each one on the second signal line Both the on-off points 133 are disconnected, so that the first screen gate drive circuit 112 receives the screen gate drive signal, and the second screen gate drive circuit 113 cannot receive the screen gate drive signal.
  • the first screen gate The screen gate driving signal received by the driving circuit 112 is not affected by the second screen gate driving circuit 113 and can drive the display panel 110 to work normally.
  • the second screen gate driving circuit 113 is normal, so that each on-off point 133 on the first signal line group 137 is disconnected, and the second signal line group 138 Each on-off point 133 is turned on, so that the first screen gate drive circuit 112 cannot receive the screen gate drive signal, and the second screen gate drive circuit 113 receives the screen gate drive signal.
  • the second screen The screen gate driving signal received by the gate driving circuit 113 is not affected by the first screen gate driving circuit 112 and can drive the display panel 110 to work normally.
  • each on-off point 133 on the first signal line group 137 is turned on, and the second signal line group 138 is turned on.
  • Each on-off point 133 is turned on, so that the signal output terminal 121 and the first signal receiving terminal 114 and the first signal receiving terminal 114 are both turned on to receive the screen gate driving signal, the first screen gate driving circuit 112 and The screen drive signals received by the second screen gate driving circuit 113 are the same and do not affect each other, and can drive the display panel 110 to work normally.
  • the display device 100 includes a display panel 110 and a driving chip 120 coupled to the display panel 110;
  • a first screen gate drive circuit 112 and a second screen gate drive circuit 113 are provided, between the driving chip 120 and the first screen gate drive circuit 112 and the second screen gate drive circuit 113 Physical connectivity; one of the first screen gate drive circuit 112 and the second screen gate drive circuit 113 is damaged;
  • Repair methods include:
  • the manufactured display device 100 is scrapped due to the damage of the single-sided screen gate drive circuit on the display panel 110, it not only wastes production resources, but also reduces the yield of the display device 100.
  • the display device 100 with a damaged side screen gate drive circuit first detect whether the first screen gate drive circuit 112 and the second screen gate drive circuit 113 on the display panel 110 are normal, if the first screen gate drive circuit 112 is damaged And the second screen gate driving circuit 113 is normal, the connection between the driving chip 120 and the first screen gate driving circuit 112 can be disconnected, so that the first screen gate driving circuit 112 cannot receive the screen gate driving signal, Therefore, the first screen gate driving circuit 112 will not affect the screen gate driving signal received by the second screen gate driving circuit 113, so that the second screen gate driving circuit 113 alone drives the display panel 110 to work normally.
  • the connection between the driving chip 120 and the second screen gate drive circuit 113 can be disconnected to reach the first screen gate
  • the driving circuit 112 drives the display panel 110 to work normally. Through this repair method, the display panel 110 that should be scrapped can continue to be used normally, resources are saved, and the yield of the display device 100 is improved.
  • the driving chip 120 is disposed on a driving circuit board 130, and the driving circuit board 130 is provided with a first output pin 131 and a second output pin 132.
  • the first screen gate driving circuit 112 is provided with a first signal
  • the receiving end 114 communicates with the first output pin 131 of the driving circuit board 130
  • the second screen gate driving circuit 113 is provided with a second signal receiving end 115, which communicates with the second output pin 132 of the driving circuit board 130
  • a pad 134 is provided between the output end 121 of the chip 120 and the first output pin 131 and the second output pin 132 of the driving circuit board 130, and the two ends of the pad 134 are conductive; in the repair method: when detected When the first screen gate drive circuit 112 is damaged, the two ends of the pad 134 between the output terminal 121 and the first output pin 131 are physically disconnected; when it is detected that the second screen gate drive circuit 113 is damaged, the Both ends of the pad 134 between the output terminal 121 and the second output pin 132 are physically disconnected.
  • a pad 134 is provided between the output end 121 of the driving chip 120 and the first output pin 131 and the second output pin 132 of the driving circuit board 130, and the first screen gate drive circuit 112 and the second screen gate drive When the circuit 113 is normal, the two ends of the pad 134 are turned on. When the first screen gate drive circuit 112 or the second screen gate drive circuit 113 is damaged, the output terminal 121 of the corresponding driving chip 120 can be connected to the first output Both ends of the pad 134 between the pin 131 or the second output pin 132 are physically disconnected, and the damaged display panel 110 is repaired until it can be used normally, and the operation is simple and easy to implement.
  • the two ends of the pad 134 are turned on by soldering a zero-ohm resistor 135 between the two ends of the pad 134; in the repair method: when it is detected that the first screen gate drive circuit 112 is damaged, the A zero-ohm resistor 135 is soldered between the two ends of the pad 134 between the output terminal 121 and the first output pin 131 to realize the physical disconnection of the first screen gate drive circuit 112 from the drive chip 120; when detected When the second screen gate driving circuit 113 is damaged, the zero-ohm resistor 135 between the two ends of the pad 134 between the output terminal 121 and the second output pin 132 is welded to realize the first screen gate driving circuit 112 is physically disconnected from the driving chip 120.
  • the lower part refers to the removal and does not weld the zero-ohm resistance 135, on the contrary, the upper part refers to the welding of the zero-ohm resistance 135.
  • a zero-ohm resistor 135 is spot-welded at both ends of the pad 134 to realize conduction between the screen gate driving circuit and the driving chip 120.
  • the zero-ohm resistor 135 can be downloaded as needed to achieve the first screen gate driving circuit 112 or the second screen grid The effect that the pole drive circuit 113 is physically disconnected from the drive chip 120.
  • a display device 100 including: a display panel 110; a driving chip 120, coupled to the display panel 110; the display panel 110 includes: a gate line 111; The one-screen gate drive circuit 112 and the second-screen gate drive circuit 113 correspond to the same group of gate lines 111; wherein, there is at least one screen in the first-screen gate drive circuit 112 and the second-screen gate drive circuit 113 The gate driving circuit and the driving chip 120 are in communication, and at least one screen gate driving circuit and the driving chip 120 are physically disconnected.
  • the driving chip 120 is disposed on a driving circuit board 130, and the driving circuit board 130 is provided with a first output pin 131 and a second output pin 132.
  • the first screen gate driving circuit 112 is provided with a first The signal receiving terminal 114 communicates with the first output pin 131 of the driving circuit board 130;
  • the second screen gate driving circuit 113 is provided with a second signal receiving terminal 115, which communicates with the second output pin 132 of the driving circuit board 130;
  • the output terminal 121 of the driving chip 120 and the first output pin 131 are connected by a first signal line group 137, and the output terminal 121 of the driving chip 120 and the second output pin 132 are connected by a second signal line group 138;
  • Both the first signal line group 137 and the second signal line group 138 are provided with an on-off point 133.
  • At least one screen gate drive circuit of the first screen gate drive circuit 112 and the second screen gate drive circuit 113 is connected to the drive chip 120, and at least one screen gate drive circuit is disconnected from the drive chip 120
  • the first signal line group 137 and the second signal line group 138 are provided with on-off points 133.
  • the on-off points 133 on the first signal line group 137 are both connected, the first screen gate driving circuit 112 is connected to the driving chip 120; when all the on-off points 133 on the first signal line group 137 are disconnected, the first screen gate driving circuit 112 and the driving chip 120 are physically disconnected.
  • the second screen gate driving circuit 113 and the driving chip 120 are connected; when the on-off points 133 on the second signal line group 138 are all on When disconnected, the second screen gate driving circuit 113 and the driving chip 120 are physically disconnected.
  • the screen gate driving circuit disconnected from the driving chip 120 does not receive the screen gate driving signal, and the screen gate driving circuit connected to the driving chip 120 receives the screen gate driving signal, and the two screen gate driving circuits do not affect each other.
  • the screen gate driving circuit connected to the driving chip 120 can normally drive the display panel 110 to display, and realize the unilateral driving of the display panel 110, which avoids the display panel 110 being damaged by the single side screen gate driving circuit and causing the entire display panel 110 or
  • the display device 100 is scrapped, saving resources and increasing the yield of the display device 100.
  • a display device 100 including: a display panel 110; a driving chip 120 coupled with the display panel 110; the display panel 110 includes: a gate line 111; The first screen gate drive circuit 112 and the second screen gate drive circuit 113 correspond to the same group of gate lines 111; wherein, the first screen gate drive circuit 112 is damaged, and the second screen gate drive circuit 113 is normal.
  • the driving chip 120 is disposed on a driving circuit board 130.
  • the driving circuit board 130 is provided with a first output pin 131 and a second output pin 132.
  • the first screen gate driving circuit 112 is provided with a first signal receiving terminal 114, communicating with the first output pin 131 of the driving circuit board 130;
  • the second screen gate driving circuit 113 is provided with a second signal receiving end 115, communicating with the second output pin 132 of the driving circuit board 130; driving chip 120
  • the first output pin 121 and the first output pin 131 are connected by a first signal line group 137, and the output terminal 121 of the driving chip 120 and the second output pin 132 are connected by a second signal line group 138;
  • the first signal The line group 137 includes a frame start control signal line, the same number of clock signal lines as the clock signal CK, and the same number of low frequency clock signal lines as the low frequency clock signal LC;
  • the second signal line group 138 includes frame start control The signal lines, the same number of clock signal lines as the clock
  • the driving chip 120 includes a timing controller 122 and a level shifter 123.
  • the timing controller 122 outputs a logic level signal
  • the level shifter 123 receives the logic level signal output from the timing controller 122 and converts the logic level
  • the signal is converted into a screen gate drive signal;
  • the logic level signals output by the timing controller 122 include: a frame start timing control signal T_STV, a timing clock signal T_CKV and a low-frequency timing clock signal T_LC, a frame start timing control signal T_STV, a timing clock
  • the signal T_CKV and the low-frequency timing clock signal T_LC are converted into the frame start control signal STV, the clock signal CK and the low-frequency clock signal LC by the level shifter 123, and the level shifter 123 converts the frame start control signal STV, the clock signal CK and the low frequency
  • the clock signal LC is respectively output through the corresponding port, and the output frame start control signal STV, clock signal CK, and low-frequency clock
  • the clock signal specifically includes CK1, CK2 to CKx, where x>1, and the low-frequency clock signal specifically includes LC1 and LC2.
  • the display device 100 is mainly coupled by the display panel 110 and the driving chip 120. Normally, the driving chip 120 transmits the screen gate driving signal to the first screen gate driving circuit 112 and the second screen gate on the display panel 110 through signal lines
  • the driving circuit 113 drives the display panel 110 to display normally at the same time.
  • the entire display panel 110 or the display device 100 is damaged due to static electricity damage or other factors affecting the screen gate driving circuit on one side. Scrapped, a serious waste of resources, and affect the yield of products.
  • the first screen gate drive circuit 112 is damaged.
  • the screen gate drive circuit and the drive chip 120 pass all zero-ohm resistors 135 between the two ends of the pad 134 on the first signal line group 137
  • the second screen gate drive circuit 113 is normal, and the second screen gate drive circuit 113 and the drive chip 120 pass all zero-ohm resistances between the two ends of the pad 134 on the second signal line group 138 135
  • the upper device is turned on so that the first screen gate drive circuit 112 does not receive the screen gate drive signal, the second screen gate drive circuit 113 receives the screen gate drive signal, and the two screen gate drive circuits do not affect each other,
  • the second screen gate driving circuit 113 can normally drive the display panel 110 to perform display work, and realizes unilateral driving of the display panel 110, which avoids the display panel 110 being damaged by the first screen gate driving circuit 112 and causing the entire display panel 110 or the display device 100 Scrapping saves resources and increases the yield of the display
  • TN panel full name Twisted Nematic, namely twisted nematic panel
  • IPS panel In-Pane Switching, planar switching
  • VA panel Very Alignment, vertical alignment technology

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Abstract

本申请公开了一种显示装置的制造方法、修复方法及显示装置，显示装置包括显示面板和驱动芯片；显示面板包括：栅极线、第一屏栅极驱动电路和第二屏栅极驱动电路，对应同一组栅极线；检测第一屏栅极驱动电路和第二屏栅极驱动电路是否正常；当检测结果为正常时，使第一屏栅极驱动电路和/或第二屏栅极驱动电路与驱动芯片呈导通状态；当检测结果为损坏时，则呈物理断开状态。

Description

显示装置的制造方法、修复方法及显示装置
本申请要求于2018年12月25日提交中国专利局，申请号为CN201811587233.0，申请名称为“一种显示装置的制造方法、修复方法及显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域，尤其涉及一种显示装置的制造方法、修复方法及显示装置。
背景技术
这里的陈述仅提供与本申请有关的背景信息，而不必然地构成现有技术。
随着科技的发展和进步，平板显示器由于具备机身薄、省电和辐射低等热点而成为显示器的主流产品，得到了广泛应用。平板显示器包括薄膜晶体管液晶显示器(Thin Film Transistor-Liquid Crystal Display，TFT-LCD)和有机发光二极管(Organic Light-Emitting Diode，OLED)显示器等。其中，薄膜晶体管液晶显示器通过控制液晶分子的旋转方向，以将背光模组的光线折射出来产生画面，具有机身薄、省电、无辐射等众多优点。
近年来，薄膜晶体管液晶显示器的尺寸越来越趋于大尺寸化，且大部分采用双边屏栅极驱动(Gate Driver on Array，GOA)架构，但是对于双边屏栅极驱动架构的显示面板，一边的屏栅极驱动电路损坏会影响到另一边屏栅极驱动电路的正常驱动作用，造成单边屏栅极驱动电路损坏的显示面板只有报废处理，严重影响了显示装置的良率。
技术解决方案
本申请提供一种显示装置的制造方法、修复方法及显示装置，使单边屏栅极驱动电路损坏的显示面板正常使用、提高产品良率。
为实现上述目的，本申请提供了一种显示装置的制造方法，所述显示装置包括显示面板和与所述显示面板耦合的驱动芯片；
所述显示面板包括：栅极线；第一屏栅极驱动电路和第二屏栅极驱动电路，对应同一组栅极线；所述制造方法包括：检测所述第一屏栅极驱动电路和第二屏栅极驱动电路是否正常；
当检测结果为正常时，使所述第一屏栅极驱动电路和/或第二屏栅极驱动电路与所述驱动芯片呈导通状态；当检测结果为损坏时，使所述第一屏栅极驱动电路和/或第二屏栅极驱动电路与所述驱动芯片呈物理断开状态。
本申请还公开了一种显示装置的修复方法，所述显示装置包括显示面板和与所述显示面板耦合的驱动芯片；
所述显示面板的两侧分别设有第一屏栅极驱动电路和第二屏栅极驱动电路，所述驱动芯片和第一屏栅极驱动电路以及第二屏栅极驱动电路之间物理联通，所述第一屏栅极驱动电路和第二屏栅极驱动电路中有一个损坏；
所述修复方法包括：
检测所述第一屏栅极驱动电路和第二屏栅极驱动电路是否正常；
当检测到所述第一屏栅极驱动电路损坏时，将所述驱动芯片和第一屏栅极驱动电路物理断开；
当检测到所述第二屏栅极驱动电路损坏时，将所述驱动芯片和第二屏栅极驱动电路物理断开。
本申请还公开了一种显示装置，包括：显示面板；与所述显示面板耦合的驱动芯片；所述显示面板包括：栅极线；第一屏栅极驱动电路和第二屏栅极驱动电路，对应同一组栅极线；其中，所述第一屏栅极驱动电路和第二屏栅极驱动电路中，至少有一个屏栅极驱动电路与所述驱动芯片是连通的，至少有一个屏栅极驱动电路与所述驱动芯片是物理断开的。
相对于在显示面板的制造过程中，因为静电击伤或其他因素影响导致一边的屏栅极驱动电路损坏而使整个显示面板或显示装置报废，的方案来说，本申请在显示面板制造完成后，对应连接驱动芯片之前，会先对显示面板进行检测，检测第一屏栅极驱动电路和第二屏栅极驱动电路是否正常，若不正常，将原本需要报废处理的显示面板的第一屏栅极驱动电路和第二屏栅极驱动电路精确测试，找出损坏的屏栅极驱动电路和正常的屏栅极驱动电路，并使损坏的屏栅极驱动电路与对应的信号线呈物理断开状态，从而使正常的屏栅极驱动电路能接收屏栅极驱动信号，且损坏的屏栅极驱动电路不接收屏栅极驱动信号，此时损坏的屏栅极驱动电路与正常的屏栅极驱动电路不连通，不会对正常的屏栅极驱动电路接收到的驱动信号产生影响，正常的屏栅极驱动电路则可单独驱动显示面板正常工作，避免了该显示面板报废，提高了显示装置的良率。
附图说明
所包括的附图用来提供对本申请实施例的具体理解，其构成了说明书的一部分，用于例示本申请的实施方式，并与文字描述一起来阐释本申请的原理。显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。在附图中：
图1是本申请实施例一种显示装置的示意图；
图2是本申请实施例另一种显示装置的示意图；
图3是本申请实施例一种显示装置的电路驱动架构示意图；
图4是本申请实施例一种显示装置的制备流程示意图；
图5是本申请实施例另一种显示装置的电路驱动架构示意图；
图6是本申请实施例另一种显示装置的电路驱动架构示意图；
图7是本申请实施例另一种显示装置的电路驱动架构示意图；
图8是本申请实施例另一种显示装置的电路驱动架构示意图；
图9是本申请实施例一种显示装置的修复流程示意图；
图10是本申请实施例另一种显示装置的电路驱动架构示意图。
具体实施方式
这里所公开的具体结构和功能细节仅仅是代表性的，并且是用于描述本申请的示例性实施例的目的。但是本申请可以通过许多替换形式来具体实现，并且不应当被解释成仅仅受限于这里所阐述的实施例。
在本申请的描述中，需要理解的是，术语“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。另外，术语“包括”及其任何变形，意图在于覆盖不排他的包含。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性实施例。除非上下文明确地另有所指，否则这里所使用的单数形式“一个”、“一项”还意图包括复数。还应当理解的是，这里所使用的术语“包括”和/或“包含”规定所陈述的特征、整数、步骤、操作、单元和/或组件的存在，而不排除存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
如图1所示，大尺寸的液晶显示面板110，往往在左右两侧都有栅极驱动116做双边驱动，随着技术的发展，如图2所示，将栅极驱动116的功能做在面内(GOA)会成为趋势，各家面板厂也都陆续开发GOA的产品。常规显示面板110上的屏栅极驱动架构如图3所示，电源芯片124将输入电压转换后得到时序控制器122(T-CON)及电平转移器123(Level shifter)需要的电压，时序控制器122输出逻辑电平信号给电平转移器123转换成电平驱动信号，传输到显示面板110左右两侧的屏栅极驱动电路，屏栅极驱动电路正常动作后再逐行开启显示面板110内的栅极线111。
显示面板110在生产过程中容易受到静电击伤或其他因素导致单边的屏栅极驱动电路损坏，单边屏栅极驱动电路损坏会影响到另一个屏栅极驱动电路的驱动信号，影响显示面板110的显示效果，通常只有报废处理。
下面参考附图和实施例对本申请作具体说明。
如图4至图6所示，本申请实施例公布了一种显示装置100的制造方法，显示装置100包括显示面板110和与显示面板110耦合的驱动芯片120；显示面板110包括：栅极线111；第一屏栅极驱动电路112和第二屏栅极驱动电路113，对应同一组栅极线111；
制造方法包括：
S100：检测第一屏栅极驱动电路112和第二屏栅极驱动电路113是否正常；
S200：当检测结果为正常时，使第一屏栅极驱动电路112和/或第二屏栅极驱动电路113与驱动芯片120呈导通状态；当检测结果为损坏时，使第一屏栅极驱动电路112和/或第二屏栅极驱动电路113与驱动芯片120呈物理断开状态。
显示装置100主要由显示面板110和驱动芯片120耦合，驱动芯片120传送屏栅极驱动信号到显示面板110上的屏栅极驱动电路，从而开启显示面板110内的栅极线111，使显示装置100正常显示。一般，显示面板110上设有两个屏栅极驱动电路，分别是第一屏栅极驱动电路112和第二屏栅极驱动电路113，对应同一组栅极线111，显示面板110是双边驱动的，第一屏栅极驱动电路112输出会连接到第二屏栅极驱动电路113输出，如果第二屏栅极驱动电路113不正常显示，也会影响到正常的第一屏栅极驱动电路112的输出。显示面板110在生产过程中容易受到静电击伤或其他因素导致单边的屏栅极驱动电路损坏，第一屏栅极驱动电路112和第二屏栅极驱动电路113中任意一个损坏，都会影响到另一个屏栅极驱动电路的驱动信号，影响显示面板110的显示效果，使得该显示面板110报废。
在显示面板110制造完成后，对应连接驱动芯片120之前，会先对显示面板110进行检测，检测第一屏栅极驱动电路112和第二屏栅极驱动电路113是否正常，若不正常，将原本需要报废处理的显示面板110的第一屏栅极驱动电路112和第二屏栅极驱动电路113精确测试，找出损坏的屏栅极驱动电路和正常的屏栅极驱动电路，并使损坏的屏栅极驱动电路与对 应的信号线呈物理断开状态，从而使正常的屏栅极驱动电路能接收屏栅极驱动信号，且损坏的屏栅极驱动电路不接收屏栅极驱动信号，此时损坏的屏栅极驱动电路与正常的屏栅极驱动电路不连通，不会对正常的屏栅极驱动电路接收到的驱动信号产生影响，正常的屏栅极驱动电路则可单独驱动显示面板110正常工作，避免了该显示面板110报废，提高了显示装置100的良率。
其中，驱动芯片120设置在一驱动电路板130上，驱动电路板130设有第一输出引脚131和第二输出引脚132，对应的，第一屏栅极驱动电路112设有第一信号接收端114，与驱动电路板130的第一输出引脚131连通；第二屏栅极驱动电路113设有第二信号接收端115，与驱动电路板130的第二输出引脚132连通；驱动芯片120的输出端121与驱动电路板130的第一输出引脚131和第二输出引脚132之间分别设有通断点133；制造方法中，当检测结果为正常时，使第一输出引脚131和/或第二输出引脚132之间对应的通断点133导通；当检测结果为损坏时，使第一输出引脚131和/或第二输出引脚132之间对应的通断点133物理断开。
在驱动芯片120的输出端121与驱动电路板130的第一输出引脚131和第二输出引脚132之间分别设有通断点133，可以非常容易的实现第一输出引脚131和/或第二输出引脚132与驱动芯片120的输出端121的连通与断开状态，即非常容易的实现第一屏栅极驱动电路112和/或第二屏栅极驱动电路113与驱动芯片120的连通与断开状态。
其中，通断点133包括焊盘134，焊盘134的两端点导通时，通断点133导通；焊盘134的两端点断开时，通断点133断开。焊盘134是通断点133的一种实施方式，焊盘134的两端点导通时通断点133就导通了，焊盘134的两端点断开时通断点133就断开了。
通断点133通过在焊盘134两端点之间焊接零欧姆电阻135实现导通；通过空置不焊接焊盘134两端点实现断开。
在焊盘134两端点之间焊接零欧姆电阻135实现通断点133导通，使驱动芯片120与屏栅极驱动电路导通，接收屏栅极驱动信号，在焊盘134两端点之间空置不焊接焊盘134两端点实现通断点133断开，使驱动芯片120与屏栅极驱动电路断开，接收不到屏栅极驱动信号。零欧姆电阻135为阻值很小的电阻，导电效果好，可以起到导线136的作用，但是和导线136相比，可以根据信号传递的需要通过设置零欧姆电阻135或移除零欧姆电阻135来改变信号线的布局，非常方便。若驱动芯片120与第一屏栅极驱动电路112之间需要导通，就可以在第一输出引脚131和与驱动装置输出端121之间的焊盘134焊接零欧姆电阻135，使二者导通；若驱动芯片120与第一屏栅极驱动电路112之间需要物理断开，就可以将第一输出引脚131和与驱动装置输出端121之间的焊盘134空置不焊接零欧姆电阻135，使二者断开，操作非常方便，不会影响驱动电路板130的其他走线。
参考图7至图8所示，与上述实施例不同在于，通断点133通过在焊盘134两端点之间连接导线136的方式实现导通；通过将两端点之间连接的导线136切断的方式实现物理断开。还可以在焊盘134的两端点之间连接导线136实现通断点133的导通，若要断开通断点133，只需要将连接在焊盘134的两端点之间的导线136切断，操作简单，易实现。
作为本申请的另一实施例，参考图5至图8所示，与上述实施例不同在于，驱动芯片120的输出端121与第一输出引脚131之间通过第一信号线组137连接，驱动芯片120的输出端121与第二输出引脚132之间通过第二信号线组138连接；屏栅极驱动信号包括帧起始控制信号STV、时钟信号CK和低频时钟信号LC，帧起始控制信号STV、时钟信号CK和低频时钟信号LC从驱动芯片120的输出端121输出后，经第一信号线组137传输到第一屏栅极驱动电路112，同时，经第二信号线组138传输到第二屏栅极驱动电路113；第一信号线组137包括帧起始控制信号线、与时钟信号CK相同数量的多个时钟信号线和与低频时钟信号LC相同数量的多个低频时钟信号线；第二信号线组138包括帧起始控制信号线、与时钟信号CK相同数量的多个时钟信号线和与低频时钟信号LC相同数量的多个低频时钟信号线；第一信号线组137和第二信号线组138中，每一个信号线上都设置有通断点133。屏栅极驱动电路需要帧起始控制信号STV、时钟信号CK和低频时钟信号LC的协同作用才可以启动显示面板110的栅极线111，从而驱动显示面板110正常工作。每一个屏栅极驱动信号需要一个对应的信号线传输信号，故信号线的数量和屏栅极驱动信号的个数相同，第一信号线组137和第一屏栅极驱动电路112对应，第二信号线组138和第二屏栅极驱动电路113对应，第一屏栅极驱动电路112和第二屏栅极驱动电路113接收的信号种类和数量都相同，故第一信号线组137和第二信号线组138的信号线数量相同，都等于单个屏栅极驱动电路需要的帧起始控制信号、时钟信号和低频时钟信号的数量。
若检测到第一屏栅极驱动电路112正常，第二屏栅极驱动电路113损坏，使第一信号线组137上的每一个通断点133都导通，第二信号线上的每一个通断点133都断开，从而使第一屏栅极驱动电路112接收屏栅极驱动信号，第二屏栅极驱动电路113接收不到屏栅极驱动信号，此时，第一屏栅极驱动电路112接收的屏栅极驱动信号不会受到第二屏栅极驱动电路113的影响，可以单边驱动显示面板110正常工作。
反之，若检测到第一屏栅极驱动电路112损坏，第二屏栅极驱动电路113正常，使第一信号线组137上每一个通断点133都断开，第二信号线组138上的每一个通断点133都导通，使第一屏栅极驱动电路112接收不到屏栅极驱动信号，第二屏栅极驱动电路113接收屏栅极驱动信号，此时，第二屏栅极驱动电路113接收的屏栅极驱动信号不会受到第一屏栅极驱动电路112的影响，可以单边驱动显示面板110正常工作。
若检测到第一屏栅极驱动电路112和第二屏栅极驱动电路113都正常，在使第一信号线 组137上每一个通断点133都导通，且第二信号线组138上的每一个通断点133都导通，使得信号输出端121同时与第一信号接收端114和第一信号接收端114都导通接收屏栅极驱动信号，第一屏栅极驱动电路112和第二屏栅极驱动电路113接收到的屏栅极驱动信号相同，互不影响，可双边驱动显示面板110正常工作。
作为本申请的另一实施例，参考图9至图10所示，公布了一种显示装置100的修复方法，显示装置100包括显示面板110和与显示面板110耦合的驱动芯片120；
显示面板110的两侧分别设有第一屏栅极驱动电路112和第二屏栅极驱动电路113，驱动芯片120和第一屏栅极驱动电路112以及第二屏栅极驱动电路113之间物理联通；第一屏栅极驱动电路112和第二屏栅极驱动电路113中有一个损坏；
修复方法包括：
S300：检测第一屏栅极驱动电路112和第二屏栅极驱动电路113是否正常；
S400：当检测到第一屏栅极驱动电路112损坏时，将驱动芯片120和第一屏栅极驱动电路112物理断开；当检测到第二屏栅极驱动电路113损坏时，将驱动芯片120和第二屏栅极驱动电路113物理断开。
本方案中，若已制造完成的显示装置100因为显示面板110上的单边屏栅极驱动电路损坏而报废，既浪费了生产资源，又降低了显示装置100的良率，本修复方法针对单边屏栅极驱动电路受损的显示装置100，先检测显示面板110上的第一屏栅极驱动电路112和第二屏栅极驱动电路113是否正常，若是第一屏栅极驱动电路112损坏且第二屏栅极驱动电路113正常，则可断开驱动芯片120和第一屏栅极驱动电路112之间的连接，使第一屏栅极驱动电路112接收不到屏栅极驱动信号，使第一屏栅极驱动电路112不会影响到第二屏栅极驱动电路113接收到的屏栅极驱动信号，进而使第二屏栅极驱动电路113单独驱动显示面板110正常工作。反之，若是第一屏栅极驱动电路112正常且第二屏栅极驱动电路113损坏，则可断开驱动芯片120和第二屏栅极驱动电路113之间的连接，达到第一屏栅极驱动电路112单独驱动显示面板110正常工作的效果。通过该修复方法，使得本该报废的显示面板110可以继续正常使用，节约了资源，提高了显示装置100的良率。
其中，驱动芯片120设置在一驱动电路板130上，驱动电路板130设有第一输出引脚131和第二输出引脚132，对应的，第一屏栅极驱动电路112设有第一信号接收端114，与驱动电路板130的第一输出引脚131连通；第二屏栅极驱动电路113设有第二信号接收端115，与驱动电路板130的第二输出引脚132连通；驱动芯片120的输出端121与驱动电路板130的第一输出引脚131和第二输出引脚132之间分别设有焊盘134，焊盘134的两端点导通；修复方法中：当检测到第一屏栅极驱动电路112损坏时，将输出端121与第一输出引脚131之间的焊盘134的两端点物理断开；当检测到第二屏栅极驱动电路113损坏时，将输出端 121与第二输出引脚132之间的焊盘134的两端点物理断开。
驱动芯片120的输出端121与驱动电路板130的第一输出引脚131和第二输出引脚132之间分别设有焊盘134，第一屏栅极驱动电路112和第二屏栅极驱动电路113正常时，焊盘134的两端点导通，当第一屏栅极驱动电路112或第二屏栅极驱动电路113损坏时，可以将对应的驱动芯片120的输出端121与第一输出引脚131或第二输出引脚132之间的焊盘134的两端点物理断开，将损坏的显示面板110修复到可以正常使用，操作简单，容易实现。
在一实施例中，焊盘134的两端通过在焊盘134的两端点之间焊接零欧姆电阻135实现导通；修复方法中：当检测到第一屏栅极驱动电路112损坏时，将焊接在输出端121和第一输出引脚131之间的焊盘134的两端点间的零欧姆电阻135下件，实现第一屏栅极驱动电路112与驱动芯片120物理断开；当检测到第二屏栅极驱动电路113损坏时，将焊接在输出端121和第二输出引脚132之间的焊盘134的两端点间的零欧姆电阻135下件，实现第一屏栅极驱动电路112与驱动芯片120物理断开。
具体的，下件是指移除，不焊接零欧姆电阻135，相反，上件是指焊接零欧姆电阻135。焊盘134的两端点焊接零欧姆电阻135实现屏栅极驱动电路和驱动芯片120导通，该零欧姆电阻135可以根据需要下件，达到使第一屏栅极驱动电路112或第二屏栅极驱动电路113与驱动芯片120物理断开的效果。当检测到第一屏栅极驱动电路112损坏且第二屏栅极驱动电路113正常时，将位于输出端121和第一输出引脚131之间的焊盘134的两端点间的零欧姆电阻135下件，同样，当检测到第一屏栅极驱动电路112正常且第二屏栅极驱动电路113损坏时，将位于输出端121和第二输出引脚132之间的焊盘134的两端点间的零欧姆电阻135下件。该操作简单方便，通过简单的操作就可以使一个本该报废的显示装置100可以正常使用，大大的节约了资源，提高了显示装置100的良率。
作为本申请的另一实施例，参考图10所示，公布了一种显示装置100，包括：显示面板110；驱动芯片120，与显示面板110耦合；显示面板110包括：栅极线111；第一屏栅极驱动电路112和第二屏栅极驱动电路113，对应同一组栅极线111；其中，第一屏栅极驱动电路112和第二屏栅极驱动电路113中，至少有一个屏栅极驱动电路与驱动芯片120是连通的，至少有一个屏栅极驱动电路与驱动芯片120是物理断开的。
具体的，驱动芯片120设置在一驱动电路板130上，驱动电路板130设有第一输出引脚131和第二输出引脚132，对应的，第一屏栅极驱动电路112设有第一信号接收端114，与驱动电路板130的第一输出引脚131连通；第二屏栅极驱动电路113设有第二信号接收端115，与驱动电路板130的第二输出引脚132连通；
驱动芯片120的输出端121与第一输出引脚131之间通过第一信号线组137连接，驱动芯片120的输出端121与第二输出引脚132之间通过第二信号线组138连接；
第一信号线组137和第二信号线组138上都设有通断点133。第一屏栅极驱动电路112和第二屏栅极驱动电路113中至少有一个屏栅极驱动电路与驱动芯片120是连通的，至少有一个屏栅极驱动电路与驱动芯片120是断开的，对应的，第一信号线组137和第二信号线组138上都设有通断点133，当第一信号线组137上的通断点133都连通时，第一屏栅极驱动电路112与驱动芯片120是连通的；当第一信号线组137上的通断点133都断开时，第一屏栅极驱动电路112与驱动芯片120是物理断开的。同理，当第二信号线组138上的通断点133都连通时，第二屏栅极驱动电路113与驱动芯片120是连通的；当第二信号线组138上的通断点133都断开时，第二屏栅极驱动电路113与驱动芯片120是物理断开的。
与驱动芯片120断开的屏栅极驱动电路不接收屏栅极驱动信号，与驱动芯片120导通的屏栅极驱动电路接收屏栅极驱动信号，两个屏栅极驱动电路互不影响，与驱动芯片120导通的屏栅极驱动电路可以正常驱动显示面板110显示工作，实现单边驱动显示面板110，避免了显示面板110因为单边屏栅极驱动电路损坏而使整个显示面板110或显示装置100报废，节约了资源，增大了显示装置100的良率。
作为本申请的另一实施例，参考图10所示，公布了一种显示装置100，包括：显示面板110；与显示面板110耦合的驱动芯片120；显示面板110包括：栅极线111；第一屏栅极驱动电路112和第二屏栅极驱动电路113，对应同一组栅极线111；其中，第一屏栅极驱动电路112损坏，第二屏栅极驱动电路113正常。
驱动芯片120设置在一驱动电路板130上，驱动电路板130设有第一输出引脚131和第二输出引脚132，对应的，第一屏栅极驱动电路112设有第一信号接收端114，与驱动电路板130的第一输出引脚131连通；第二屏栅极驱动电路113设有第二信号接收端115，与驱动电路板130的第二输出引脚132连通；驱动芯片120的输出端121与第一输出引脚131之间通过第一信号线组137连接，驱动芯片120的输出端121与第二输出引脚132之间通过第二信号线组138连接；第一信号线组137包括帧起始控制信号线、与时钟信号CK相同数量的多个时钟信号线和与低频时钟信号LC相同数量的多个低频时钟信号线；第二信号线组138包括帧起始控制信号线、与时钟信号CK相同数量的多个时钟信号线和与低频时钟信号LC相同数量的多个低频时钟信号线；第一信号线组137和第二信号线组138中，每一个信号线上都设置有焊盘134，且第一信号线组137所有信号线上的焊盘134的两端点间的零欧姆电阻135下件，第二信号线组138所有信号线上的焊盘134的两端点间的零欧姆电阻135上件。
具体的，驱动芯片120包括时序控制器122和电平转移器123，时序控制器122输出逻辑电平信号，电平转移器123接收时序控制器122输出的逻辑电平信号，并将逻辑电平信号转化为屏栅极驱动信号；时序控制器122输出的逻辑电平信号包括：帧起始时序控制信号T_STV、时序时钟信号T_CKV和低频时序时钟信号T_LC，帧起始时序控制信号T_STV、 时序时钟信号T_CKV和低频时序时钟信号T_LC经电平转移器123转换成帧起始控制信号STV、时钟信号CK和低频时钟信号LC，电平转移器123将帧起始控制信号STV、时钟信号CK和低频时钟信号LC分别通过对应端口输出，输出的帧起始控制信号STV、时钟信号CK和低频时钟信号LC经第一信号线组137传输到第一屏栅极驱动电路112，同时，经第二信号线组138传输到第二屏栅极驱动电路113。
时钟信号具体包括CK1、CK2至CKx，其中x>1，低频时钟信号具体包括LC1和LC2。显示装置100主要由显示面板110和驱动芯片120耦合，正常情况下，驱动芯片120通过信号线传送屏栅极驱动信号给显示面板110上的第一屏栅极驱动电路112和第二屏栅极驱动电路113来同时驱动显示面板110正常显示，但是，在显示面板110的制造过程中，因为静电击伤或其他因素影响导致一边的屏栅极驱动电路损坏而使整个显示面板110或显示装置100报废，严重浪费资源，并影响产品的良率。
本方案中的显示装置100，第一屏栅极驱动电路112损坏，对应的，屏栅极驱动电路与驱动芯片120通过第一信号线组137上焊盘134两端点间的所有零欧姆电阻135下件实现物理断开，第二屏栅极驱动电路113是正常的，第二屏栅极驱动电路113与驱动芯片120通过第二信号线组138上焊盘134两端点间的所有零欧姆电阻135上件实现导通，使得第一屏栅极驱动电路112不接收屏栅极驱动信号，第二屏栅极驱动电路113接收屏栅极驱动信号，两个屏栅极驱动电路互不影响，第二屏栅极驱动电路113可以正常驱动显示面板110显示工作，实现单边驱动显示面板110，避免了显示面板110因为第一屏栅极驱动电路112损坏而使整个显示面板110或显示装置100报废，节约了资源，增大了显示装置100的良率。
需要说明的是，本方案中涉及到的各步骤的限定，在不影响具体方案实施的前提下，并不认定为对步骤先后顺序做出限定，写在前面的步骤可以是在先执行的，也可以是在后执行的，甚至也可以是同时执行的，只要能实施本方案，都应当视为属于本申请的保护范围。
本申请的技术方案可以广泛用在TN面板(全称为Twisted Nematic，即扭曲向列型面板)、IPS面板(In-Pane Switching，平面转换)、VA面板(Vertical Alignment，垂直配向技术)，当然，也可以是其他类型的面板，适用即可。
以上内容是结合具体的可选实施方式对本申请所作的具体详细说明，不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本申请的保护范围。

Claims (17)

  1. 一种显示装置的制造方法，所述显示装置包括显示面板和与所述显示面板耦合的驱动芯片；
    所述显示面板包括：
    栅极线；
    第一屏栅极驱动电路；以及
    第二屏栅极驱动电路；
    其中，所述第一屏栅极驱动电路和第二屏栅极驱动电路，对应同一组栅极线；
    所述制造方法包括：
    检测所述第一屏栅极驱动电路和第二屏栅极驱动电路是否正常；
    当检测结果为正常时，使所述第一屏栅极驱动电路和/或第二屏栅极驱动电路与所述驱动芯片呈导通状态；当检测结果为损坏时，使所述第一屏栅极驱动电路和/或第二屏栅极驱动电路与所述驱动芯片呈物理断开状态。
  2. 如权利要求1所述的一种显示装置的制造方法，其中，所述驱动芯片传送屏栅极驱动信号到所述第一屏栅极驱动电路和第二屏栅极驱动电路，开启所述显示面板内的所述栅极线。
  3. 如权利要求1所述的一种显示装置的制造方法，其中，所述驱动芯片设置在一驱动电路板上，所述驱动电路板设有第一输出引脚和第二输出引脚，对应的，所述第一屏栅极驱动电路设有第一信号接收端，与所述驱动电路板的第一输出引脚连通；所述第二屏栅极驱动电路设有第二信号接收端，与所述驱动电路板的第二输出引脚连通；
    所述驱动芯片的输出端与所述驱动电路板的第一输出引脚和第二输出引脚之间分别设有通断点。
  4. 如权利要求3所述的一种显示装置的制造方法，其中，所述制造方法中，当检测结果为正常时，使所述第一输出引脚和/或第二输出引脚之间对应的通断点导通；当检测结果为损坏时，使所述第一输出引脚和/或第二输出引脚之间对应的通断点物理断开。
  5. 如权利要求4所述的一种显示装置的制造方法，其中，所述通断点包括焊盘，所述焊盘的两端点导通时，所述通断点导通；所述焊盘的两端点断开时，所述通断点断开。
  6. 如权利要求5所述的一种显示装置的制造方法，其中，所述通断点通过在焊盘两端点之间焊接零欧姆电阻实现导通，通过空置不焊接焊盘两端点实现断开。
  7. 如权利要求5所述的一种显示装置的制造方法，其中，所述通断点通过在焊盘两端点之间连接导线的方式实现导通；通过将两端点之间连接的导线切断的方式实现物理断开。
  8. 如权利要求4所述的一种显示装置的制造方法，其中，所述驱动芯片的输出端与所 述第一输出引脚之间通过第一信号线组连接，所述驱动芯片的输出端与所述第二输出引脚之间通过第二信号线组连接。
  9. 如权利要求8所述的一种显示装置的制造方法，其中，所述屏栅极驱动信号包括帧起始控制信号、时钟信号和低频时钟信号，所述帧起始控制信号、时钟信号和低频时钟信号从所述驱动芯片的输出端输出后，经所述第一信号线组传输到所述第一屏栅极驱动电路，同时，经所述第二信号线组传输到所述第二屏栅极驱动电路。
  10. 如权利要求9所述的一种显示装置的制造方法，其中，所述第一信号线组包括帧起始控制信号线、与所述时钟信号相同数量的多个时钟信号线、与低频时钟信号相同数量的多个低频时钟信号线；所述第二信号线组包括帧起始控制信号线、与所述时钟信号相同数量的多个时钟信号线和与低频时钟信号相同数量的多个低频时钟信号线；
    所述第一信号线组和第二信号线组中，每一个信号线上都设置有所述通断点。
  11. 一种显示装置的修复方法，所述显示装置包括显示面板和与所述显示面板耦合的驱动芯片；
    所述显示面板的两侧分别设有第一屏栅极驱动电路和第二屏栅极驱动电路，所述驱动芯片和第一屏栅极驱动电路以及第二屏栅极驱动电路之间物理联通，所述第一屏栅极驱动电路和第二屏栅极驱动电路中有一个损坏；
    所述修复方法包括：
    检测所述第一屏栅极驱动电路和第二屏栅极驱动电路是否正常；
    当检测到所述第一屏栅极驱动电路损坏时，将所述驱动芯片和第一屏栅极驱动电路物理断开；
    当检测到所述第二屏栅极驱动电路损坏时，将所述驱动芯片和第二屏栅极驱动电路物理断开。
  12. 如权利要求11所述的一种显示装置的修复方法，其中，所述驱动芯片设置在一驱动电路板上，所述驱动电路板设有第一输出引脚和第二输出引脚，对应的，所述第一屏栅极驱动电路设有第一信号接收端，与所述驱动电路板的第一输出引脚连通；所述第二屏栅极驱动电路设有第二信号接收端，与所述驱动电路板的第二输出引脚连通；
    所述驱动芯片的输出端与所述驱动电路板的第一输出引脚和第二输出引脚之间分别设有焊盘，所述焊盘的两端点导通。
  13. 如权利要求12所述的一种显示装置的修复方法，其中，所述修复方法中：
    当检测到所述第一屏栅极驱动电路损坏时，将所述输出端与所述第一输出引脚之间的所述焊盘的两端点物理断开；
    当检测到所述第二屏栅极驱动电路损坏时，将所述输出端与所述第二输出引脚之间的所 述焊盘的两端点物理断开。
  14. 如权利要求13所述的一种显示装置的修复方法，其中，所述焊盘的两端通过在所述焊盘的两端点之间焊接零欧姆电阻实现导通。
  15. 如权利要求14所述的一种显示装置的修复方法，其中，所述修复方法中：
    当检测到所述第一屏栅极驱动电路损坏时，将焊接在所述输出端和所述第一输出引脚之间的焊盘的两端点间的所述零欧姆电阻下件，实现所述第一屏栅极驱动电路与驱动芯片物理断开；
    当检测到所述第二屏栅极驱动电路损坏时，将焊接在所述输出端和所述第二输出引脚之间的焊盘的两端点间的所述零欧姆电阻下件，实现所述第一屏栅极驱动电路与驱动芯片物理断开。
  16. 一种显示装置，包括：
    显示面板；
    驱动芯片，与所述显示面板耦合；
    所述显示面板包括：
    栅极线；
    第一屏栅极驱动电路和第二屏栅极驱动电路，对应同一组栅极线；
    其中，所述第一屏栅极驱动电路和第二屏栅极驱动电路中，至少有一个屏栅极驱动电路与所述驱动芯片是连通的，至少有一个屏栅极驱动电路与所述驱动芯片是物理断开的。
  17. 如权利要求16所述的一种显示装置，其中，所述驱动芯片设置在一驱动电路板上，所述驱动电路板设有第一输出引脚和第二输出引脚，对应的，所述第一屏栅极驱动电路设有第一信号接收端，与所述驱动电路板的第一输出引脚连通；所述第二屏栅极驱动电路设有第二信号接收端，与所述驱动电路板的第二输出引脚连通；
    所述驱动芯片的输出端与所述驱动电路板的第一输出引脚和第二输出引脚之间分别设有通断点。
PCT/CN2019/073616 2018-12-25 2019-01-29 显示装置的制造方法、修复方法及显示装置 WO2020133632A1 (zh)

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