WO2020082433A1 - 一种显示装置及其检测方法 - Google Patents

一种显示装置及其检测方法 Download PDF

Info

Publication number
WO2020082433A1
WO2020082433A1 PCT/CN2018/114687 CN2018114687W WO2020082433A1 WO 2020082433 A1 WO2020082433 A1 WO 2020082433A1 CN 2018114687 W CN2018114687 W CN 2018114687W WO 2020082433 A1 WO2020082433 A1 WO 2020082433A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching device
driving circuit
circuit board
display
gate driving
Prior art date
Application number
PCT/CN2018/114687
Other languages
English (en)
French (fr)
Inventor
曹军红
Original Assignee
惠科股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 惠科股份有限公司 filed Critical 惠科股份有限公司
Priority to US16/319,492 priority Critical patent/US11538430B2/en
Publication of WO2020082433A1 publication Critical patent/WO2020082433A1/zh

Links

Images

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—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
    • 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
    • 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
    • G09G2310/00—Command of the display device
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery

Definitions

  • the present application relates to the field of display technology, and more specifically, to a display device and a detection method thereof.
  • 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 thin body, power saving, no radiation and so on.
  • the organic light-emitting diode display is made of organic electroluminescent diodes, and has many advantages such as self-luminescence, short response time, high definition and contrast, flexible display and large-area full-color display.
  • Array substrate row drive (Gate Driver on Array, GOA) technology can be applied to the LCD panel array manufacturing process, and the horizontal scanning line driving circuit is made on the substrate around the display area to replace the external chip to complete the horizontal scanning line driving .
  • the GOA circuit is usually designed to be driven by both sides at the same time, but this design can only detect the defects of the double-sided GOA circuit, and the single-sided GOA circuit cannot be detected.
  • the purpose of the present application is to provide a display device and a detection method thereof to prevent the single-side gate drive circuit from being missed.
  • the present application provides a display device including a display panel and a control circuit board configured to drive the display panel, the display panel including:
  • the first gate driving circuit and the second gate driving circuit are respectively located on both sides of the display area of the display panel, and the first gate driving circuit and the second gate driving circuit are coupled to the control circuit board and are arranged to
  • the display area provides row driving signals;
  • a switching device is provided between the display area and the control circuit board; the switching device includes a first switching device and a second switching device, and the first switching device controls the Whether the first gate driving circuit outputs a row driving signal; the second switching device controls whether the second gate driving circuit outputs a row driving signal.
  • the switching device is located between the gate drive circuit and the control circuit board.
  • the switching device includes a thin film transistor, a gate of the thin film transistor is connected to an enable signal, and the opening and closing of the thin film transistor is controlled by the enable signal.
  • the display panel includes a first signal line, and the enable signal is connected to the gates of all thin film transistors in the same switching device through the first signal line.
  • control circuit board includes a timing controller and a driving circuit board, the timing controller is connected to the driving circuit board, and the driving circuit board is connected to the gate driving circuit.
  • the switching device is located between the gate driving circuit and the display area.
  • the switching device is integrated in the gate driving circuit.
  • This application also discloses a display device, including:
  • the control circuit board is set to drive the display panel;
  • the display panel includes:
  • the first gate driving circuit and the second gate driving circuit are respectively located on both sides of the display area of the display panel, are coupled with the control circuit board, and are arranged to provide row driving signals to the display area; Between the display area and the control circuit board; the switching device includes a first switching device and a second switching device, the first switching device controls whether the first gate driving circuit outputs a row driving signal; The second switching device controls whether the second gate driving circuit outputs a row driving signal; the display panel includes a first signal line, and the enable signal is connected to the gates of all thin film transistors in the same switching device through the first signal line pole.
  • the present application also discloses a detection method of a display device.
  • the display device includes:
  • the display panel includes: a first gate drive circuit and a second gate drive circuit, respectively located on both sides of the display area of the display panel, the first A gate drive circuit and a second gate drive circuit are coupled to the control circuit board, and are arranged to provide row drive signals to the display area;
  • a switching device is arranged between the display area and the control circuit board; The switching device includes a first switching device and a second switching device, the first switching device controls whether the first gate driving circuit outputs a row driving signal; the second switching device controls whether the second gate driving circuit Output line drive signal;
  • Detection methods include:
  • the opening and closing of the first switching device and the second switching device are controlled by the enable signal.
  • the switching device is located between the gate drive circuit and the control circuit board.
  • the switching device includes a thin film transistor, and a gate of the thin film transistor is connected to an enable signal.
  • the enabling signal controls the opening and closing of the thin film transistor.
  • the display panel includes a first signal line, and the enable signal is connected to the gates of all thin film transistors in the same switching device through the first signal line.
  • control circuit board includes a timing controller and a driving circuit board, the timing controller is connected to the driving circuit board, and the driving circuit board is connected to the gate driving circuit.
  • the switching device is located between the gate driving circuit and the display area.
  • the switching device is integrated in the gate driving circuit.
  • this application increases the defect detection of the single-side gate drive circuit by adding two sets of switching devices, and can realize the defect detection of the single-side gate drive circuit. Prevents the problem of missed inspections in array testing and improves productivity.
  • 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 a switch device of a display device according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a display device according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a display device according to an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a method for detecting a display device according to another embodiment of the present application.
  • the features defined as “first” and “second” may explicitly or implicitly include one or more features.
  • the meaning of “plurality” is two or more.
  • the term “including” and any variations thereof are intended to cover non-exclusive inclusions.
  • connection should be understood in a broad sense, for example, it can be fixed or detachable Connected, or connected integrally; either mechanically or electrically; directly connected, or indirectly connected through an intermediary, or internally connected between two components.
  • installation should be understood in a broad sense, for example, it can be fixed or detachable Connected, or connected integrally; either mechanically or electrically; directly connected, or indirectly connected through an intermediary, or internally connected between two components.
  • an embodiment of the present application discloses a display device including a display panel 100 and a control circuit board 200 configured to drive the display panel.
  • the display panel 100 includes:
  • the first gate driving circuit 121 and the second gate driving circuit 122 are respectively located on both sides of the display area 110 of the display panel 100, are coupled with the control circuit board 200, and are arranged to provide row driving signals to the display area 100; the switching device 130, Located between the display area 110 and the control circuit board 200; the switching device 130 includes a first switching device 133 and a second switching device 134, the first switching device 133 controls whether the first gate driving circuit 121 outputs a row driving signal; the second The switching device 134 controls whether the second gate driving circuit 122 outputs a row driving signal.
  • the gate drive circuit usually adopts a bilaterally driven design. Two sets of array substrate row circuits 120 are located on both sides of the display area 110 respectively. Drive signal. Adding two sets of switching devices 130 between the display area 110 and the control circuit board 200 can not only perform defect detection of the double-sided gate drive circuit 120, but also perform defect detection of the single-side gate drive circuit 120 to prevent the gate drive circuit
  • the 120 array test has a single-sided missed detection situation, thereby improving productivity.
  • This application is particularly suitable for a display device with a gate drive circuit substrate (Gate on Array, GOA) architecture.
  • the switching device 130 is located between the gate driving circuit 120 and the control circuit board 200.
  • the switching device 130 includes a thin film transistor 131, the gate of the thin film transistor 131 is connected to an enable signal, and the opening and closing of the thin film transistor 131 is controlled by the enable signal.
  • each group of switching devices 130 includes a group of thin film transistors 131, wherein the gate of the thin film transistor 131 is connected to the enable signal, we can control the enable signal to control the thin film transistor 131, that is, the switching device is controlled by the enable signal.
  • the display panel 100 includes a first signal line 132 through which the enable signal is connected to the gates of all thin film transistors 131 in the same switching device.
  • the first signal line 132 is connected to the gates of all the thin film transistors 131 in the same switching device, and all the gates in the same switching device are connected in series through the first signal line 132 to achieve the simultaneous control of a group of thin film transistors 131, enabling all the switching devices 130 in the same switching device to be simultaneously opened and closed at the same time, which simplifies the operation process and facilitates the operation of personnel.
  • control circuit board 200 includes a timing controller 210 and a driving circuit board 220.
  • the timing controller 210 is connected to the driving circuit board 220, and the driving circuit board 220 is connected to the gate driving circuit 120.
  • control circuit board 200 includes a timing controller 210 and a driving circuit board 220.
  • the timing controller 210 is configured as a display device timing control circuit;
  • the driving circuit board 220 is configured to carry a driving circuit and is connected to the timing controller 210.
  • the driving circuit board 220 and the gate driving circuit 120 are connected, and the two are connected by wires.
  • this embodiment provides an alternative position method of the switching device.
  • the switching device 130 is located between the gate driving circuit 120 and the display area 110.
  • a mounting position of the switching device 130 is provided.
  • the switching device 130 is located between the gate driving circuit 120 and the display area 110 to realize the defect detection of the single-side gate driving circuit 120.
  • this embodiment provides an alternative position method for the switching device.
  • the switching device 130 is integrated in the gate driving circuit 120.
  • the switching device 130 is integrated inside the gate drive circuit 120, which can realize the defect detection of the single-side gate drive circuit 120, and because it is located in the gate drive circuit 120, it can save space and improve space utilization.
  • a display device which includes a display panel 100 and a control circuit board 200 configured to drive the display panel.
  • the display panel 100 includes:
  • the first gate driving circuit 121 and the second gate driving circuit 122 are respectively located on both sides of the display area 110 of the display panel 100, are coupled with the control circuit board 200, and are arranged to provide row driving signals to the display area 100; the switching device 130, Set between the display area 110 and the control circuit board 200; the switching device 130 includes a first switching device 133 and a second switching device 134, the first switching device 133 controls whether the first gate driving circuit 121 outputs a row driving signal; the second The switching device 134 controls whether the second gate driving circuit 122 outputs a row driving signal.
  • the display panel 100 includes a first signal line 132 through which the enable signal is connected to the gates of all thin film transistors 131 in the same switching device.
  • the array substrate row driving technology has been widely used in the liquid crystal display panel industry.
  • the gate driving circuit usually adopts a bilaterally driven design. Two sets of array substrate row circuits 120 are located on both sides of the display area 110 to provide driving signals. Adding two sets of switching devices 130 between the display area 110 and the control circuit board 200 can not only perform defect detection of the double-sided gate drive circuit 120, but also perform defect detection of the single-side gate drive circuit 120 to prevent the gate drive circuit Array testing has a single-sided missed inspection, thereby increasing productivity.
  • the switching device 130 is set here on the side circuit The impact of the board is not significant.
  • Each group of switching devices 130 includes a group of thin film transistors 131, in which the gate 131 of the thin film transistor is connected to the enable signal, we can control the enable signal to control the thin film transistor 131, that is, the opening and closing of the switching device 130 is controlled by the enable signal Closing, opening and closing of the light-opening device 130 can realize the defect detection of the single-side gate driving circuit 120.
  • the first signal line 132 is connected to the gates of all the thin film transistors 131 in the same switching device.
  • the control circuit board 200 includes a timing controller 210 and a driving circuit board 220.
  • the timing controller 210 is configured as a display device timing control circuit;
  • the driving circuit board 220 is configured to carry a driving circuit and is connected to the timing controller 210.
  • the driving circuit board 220 and the gate driving circuit 120 are connected, and the two are connected by wires.
  • the display device includes a display panel 100 and a control circuit board 200 configured to drive the display panel.
  • the display panel 100 includes:
  • the first gate driving circuit 121 and the second gate driving circuit 122 are respectively located on both sides of the display area 110 of the display panel 100, are coupled with the control circuit board 200, and are arranged to provide row driving signals to the display area 100;
  • the switching device 130 Located between the display area 110 and the control circuit board 200;
  • the switching device 130 includes a first switching device 133 and a second switching device 134, the first switching device 133 controls whether the first gate driving circuit 121 outputs a row driving signal;
  • the second The switching device 134 controls whether the second gate driving circuit 122 outputs a row driving signal;
  • Detection methods include:
  • S11 control the first switching device to close and the second switching device to open;
  • the first gate drive circuit is in the connected state, and the second gate drive circuit is in the disconnected state, and the first gate drive is detected at the same time.
  • the output signal of the circuit; the first switching device is opened again, and the second switching device is closed.
  • the first gate drive circuit is in an open state, and the second gate drive circuit is in a closed state, and the first gate is detected at the same time.
  • the output signal of the drive circuit and make a judgment based on the two detection results.
  • the opening and closing of the first switching device and the second switching device are controlled by the enable signal.
  • the switching device 130 is located between the gate driving circuit 120 and the control circuit board 200.
  • the switching device 130 includes a thin film transistor 131 whose gate is connected to the enable signal.
  • each group of switching devices 130 includes a group of thin film transistors 131, wherein the gate of the thin film transistor 131 is connected to the enable signal, and we can control the enable signal to control the thin film transistor 131, that is, the switching device is controlled by the enable signal.
  • the opening and closing of the thin film transistor 131 is controlled by the enable signal.
  • the enable signal controls the opening and closing of the thin film transistor 131, and thus controls the opening and closing of the light opening device 130.
  • the display panel 100 includes a first signal line 132 through which the enable signal is connected to the gates of all thin film transistors 131 in the same switching device.
  • the first signal line 132 is connected to the gates of all the thin film transistors 131 in the same switching device, and all the gates in the same switching device are connected in series through the first signal line 132 to achieve the simultaneous control of a group of thin film transistors 131, enabling all the switching devices 130 in the same switching device to be simultaneously opened and closed at the same time, which simplifies the operation process and facilitates the operation of personnel.
  • control circuit board 200 includes a timing controller 210 and a driving circuit board 220.
  • the timing controller 210 is connected to the driving circuit board 220, and the driving circuit board 220 is connected to the gate driving circuit 120.
  • control circuit board 200 includes a timing controller 210 and a driving circuit board 220.
  • the timing controller 210 is set as a timing control circuit of the display device;
  • the driving circuit board 220 and the gate driving circuit 120 are connected, and the two are connected by wires.
  • this embodiment provides an alternative position method for the switching device.
  • the switching device 130 is integrated in the gate driving circuit 120.
  • the switching device 130 is integrated inside the gate drive circuit 120, which can realize the defect detection of the single-side gate drive circuit 120, and because it is located in the gate drive circuit 120, it can save space and improve space utilization.
  • the panel of this application may be a TN panel (full name Twisted Nematic, namely twisted nematic panel), IPS panel (In-PaneSwitcing, plane conversion), VA panel (Multi-domain Vertica Alignment, multi-quadrant vertical alignment technology), of course , Can also be other types of panels, just apply.
  • TN panel full name Twisted Nematic, namely twisted nematic panel
  • IPS panel In-PaneSwitcing, plane conversion
  • VA panel Multi-domain Vertica Alignment, multi-quadrant vertical alignment technology

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

一种显示装置及检测方法，包括显示面板（100）和控制电路板（200），显示面板（100）包括显示区（110）和开关装置（130），开关装置（130）设置在显示区（110）与控制电路板（200）之间；控制电路板（200）设置为驱动显示面板（100）。该显示装置及检测方法能够防止单侧栅极驱动电路漏检。

Description

一种显示装置及其检测方法
本申请要求于2018年10月22日提交中国专利局、申请号CN201811230464.6、发明名称为“一种显示装置及其检测方法”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，更具体的说，涉及一种显示装置及其检测方法。
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。而有机发光二极管显示器是利用有机电致发光二极管制成，具有自发光、响应时间短、清晰度与对比度高、可实现柔性显示与大面积全色显示等诸多优点。
阵列基板行驱动(Gate Driver on Array，GOA)技术可以运用到液晶显示面板阵列制程中，将水平扫描线的驱动电路制作在显示区周围的基板上，用来替代外接芯片完成水平扫描线的驱动。GOA电路通常采用双边同时驱动的设计，但这种设计只能检测双侧GOA电路缺陷，单侧GOA电路缺陷无法检测，会造成阵列测试中GOA电路单边缺陷漏检的问题。
技术解决方案
本申请的目的在于提供一种显示装置及其检测方法，防止单侧栅极驱动电路漏检。
为实现上述目的，本申请提供了一种显示装置，包括显示面板和设置为驱动显示面板的控制电路板，所述显示面板包括：
第一栅极驱动电路和第二栅极驱动电路，分别位于所述显示面板的显示区两侧，所述第一栅极驱动电路和第二栅极驱动电路与控制电路板耦合，设置为向所述显示区提供行驱动讯号；开关装置，设置于所述显示区与所述控制电路板之间；所述开关装置包括第一开关装置和第二开关装置，所述第一开关装置控制所述第一栅极驱动电路是否输出行驱动讯号；所述第二开关装置控制所述第二栅极驱动电路是否输出行驱动讯号。
可选的，所述开关装置位于所述栅极驱动电路和所述控制电路板之间。
可选的，所述开关装置包括薄膜晶体管，所述薄膜晶体管的栅极与使能讯号连接，通过所述使能讯号控制所述薄膜晶体管的打开和闭合。
可选的，所述显示面板包括第一讯号线，所述使能讯号通过所述第一讯号线连接同一开关装置内的所有薄膜晶体管的栅极。
可选的，所述控制电路板包括时序控制器和驱动电路板，所述时序控制器与所述驱动电路板连接，所述驱动电路板与所述栅极驱动电路连接。
可选的，所述开关装置位于栅极驱动电路和显示区之间。
可选的，所述开关装置集成在所述栅极驱动电路内。
本申请还公开了一种显示装置，包括：
控制电路板，设置为驱动显示面板；显示面板，所述显示面板包括：
第一栅极驱动电路和第二栅极驱动电路，分别位于所述显示面板的显 示区两侧，与控制电路板耦合，设置为向所述显示区提供行驱动讯号；开关装置，设置在所述显示区与所述控制电路板之间；所述开关装置包括第一开关装置和第二开关装置，所述第一开关装置控制所述第一栅极驱动电路是否输出行驱动讯号；所述第二开关装置控制所述第二栅极驱动电路是否输出行驱动讯号；所述显示面板包括第一讯号线，使能讯号通过所述第一讯号线连接同一开关装置内的所有薄膜晶体管的栅极。
本申请还公开了一种显示装置的检测方法，显示装置包括：
显示面板；控制电路板，设置为驱动所述显示面板；所述显示面板包括：第一栅极驱动电路和第二栅极驱动电路，分别位于所述显示面板的显示区两侧，所述第一栅极驱动电路和第二栅极驱动电路与控制电路板耦合，设置为向所述显示区提供行驱动讯号；开关装置，设置于所述显示区与所述控制电路板之间；所述开关装置包括第一开关装置和第二开关装置，所述第一开关装置控制所述第一栅极驱动电路是否输出行驱动讯号；所述第二开关装置控制所述第二栅极驱动电路是否输出行驱动讯号；
检测方法包括：
控制第一开关装置闭合，第二开关装置打开；
检测第一栅极驱动电路的输出信号；
控制第一开关装置打开，第二开关装置闭合；
检测第二栅极驱动电路的输出信号；以及
输出检测结果。
可选的，通过使能讯号控制第一开关装置和第二开关装置的打开和闭合。
可选的，所述开关装置位于所述栅极驱动电路和所述控制电路板之间。
可选的，所述开关装置包括薄膜晶体管，所述薄膜晶体管的栅极与使 能讯号连接。
可选的，通过所述使能讯号控制所述薄膜晶体管的打开和闭合。
可选的，所述显示面板包括第一讯号线，所述使能讯号通过所述第一讯号线连接同一开关装置内的所有薄膜晶体管的栅极。
可选的，所述控制电路板包括时序控制器和驱动电路板，所述时序控制器与所述驱动电路板连接，所述驱动电路板与所述栅极驱动电路连接。
可选的，所述开关装置位于栅极驱动电路和显示区之间。
可选的，所述开关装置集成在所述栅极驱动电路内。
相对于只能检测双侧栅极驱动电路的方案来说，本申请通过增加两组开关装置，增加了单侧栅极驱动电路的缺陷检测，可以实现单双侧栅极驱动电路的缺陷检测，防止在阵列测试中出现漏检的问题，提高了产能。
附图说明
所包括的附图用来提供对本申请实施例的的理解，其构成了说明书的一部分，进行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是本申请实施例一种显示装置的开关装置的示意图；
图3是本申请实施例一种显示装置的示意图；
图4是本申请实施例一种显示装置的示意图；
图5是本申请另一实施例一种显示装置的检测方法的流程示意图。
本申请的实施方式
这里所公开的具体结构和功能细节仅仅是代表性的，并且是进行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。
下面结合附图和可选的的实施例对本申请作说明。
参考图1至图2所示，本申请实施例公布了一种显示装置，包括显示面板100，设置为驱动显示面板的控制电路板200，所述显示面板100包括：
第一栅极驱动电路121和第二栅极驱动电路122，分别位于显示面板100的显示区110两侧，与控制电路板200耦合，设置为向显示区100提供行驱动讯号；开关装置130，设置于显示区110与控制电路板200之间；开关装置130包括第一开关装置133和第二开关装置134，第一开关装置133控制第一栅极驱动电路121是否输出行驱动讯号；第二开关装置134控制第二栅极驱动电路122是否输出行驱动讯号。
本方案中，阵列基板行驱动技术已经广泛的运用到液晶显示面板行业中，其中栅极驱动电路通常采用双边同时驱动的设计，两组阵列基板行电路120分别位于显示区110的两侧，提供驱动讯号。在显示区110和控制电路板200中间增加两组开关装置130，不仅可以进行双侧栅极驱动电路120的缺陷检测，也可以进行单侧栅极驱动电路120的缺陷检测，防止栅极驱动电路120阵列测试存在单边漏检的情况，从而提高了产能，本申请尤其适合闸极驱动电路基板(Gate on Array，GOA)架构的显示装置。
在一实施例中，开关装置130位于栅极驱动电路120和控制电路板200之间。
本方案中，对于阵列基板行电路产品而言，栅极驱动电路120和控制电路板200之间只有阵列基板上的导线(Wire On Array,WOA)，我们可以调整阵列基板上的导线的宽度，开关装置130设置在此处对边侧电路板的影响不大。
在一实施例中，开关装置130包括薄膜晶体管131，薄膜晶体管131的栅极与使能讯号连接，通过使能讯号控制薄膜晶体管131的打开和闭合。
本方案中，每组开关装置130包括一组薄膜晶体管131，其中薄膜晶体管131的栅极与使能讯号相连接，我们可以控制使能讯号来控制薄膜晶体管131，即通过使能讯号控制开关装置130的打开和闭合，开光装置130打开和闭合可以实现单侧栅极驱动电路120的缺陷检测。
在一实施例中，显示面板100包括第一讯号线132，使能信号通过第一讯号线132连接同一开关装置内的所有薄膜晶体管131的栅极。
本方案中，第一讯号线132连接同一开关装置内的所有薄膜晶体管131的栅极，通过第一讯号线132把同一开关装置内的所有栅极串联起来，可以达到同时控制一组的薄膜晶体管131，使同一开关装置内的所有的开关装置130达到同时开启和同时闭合，简化操作流程，方便人员操作。
在一实施例中，控制电路板200包括时序控制器210和驱动电路板220，时序控制器210与驱动电路板220连接，驱动电路板220与栅极驱动电路120连接。
本方案中，控制电路板200包括时序控制器210和驱动电路板220，时序控制器210设置为显示装置时序控制电路；驱动电路板220，设置为承载驱动电路，与时序控制器210连接。其中驱动电路板220和栅极驱动电路120连接，两者之间通过导线连接。
参考图3，本实施例提供了一种开关装置的位置替代方式，开关装置130位于栅极驱动电路120和显示区110之间。
本方案中，提供了一种开关装置130的安装位置，开关装置130位于栅极驱动电路120和显示区110之间可以实现单侧栅极驱动电路120的缺陷检测。
参考图4，本实施例提供了一种开关装置的位置替代方式，开关装置130集成在栅极驱动电路120内。
本方案中，开关装置130集成在栅极驱动电路120内部，可以实现单 侧栅极驱动电路120的缺陷检测，同时因为位于栅极驱动电路120内，可以节省空间，提高空间利用率。
作为本申请的另一实施例，参考图1至图2所示，公开了一种显示装置，包括显示面板100，设置为驱动显示面板的控制电路板200，所述显示面板100包括：
第一栅极驱动电路121和第二栅极驱动电路122，分别位于显示面板100的显示区110两侧，与控制电路板200耦合，设置为向显示区100提供行驱动讯号；开关装置130，设置在显示区110与控制电路板200之间；开关装置130包括第一开关装置133和第二开关装置134，第一开关装置133控制第一栅极驱动电路121是否输出行驱动讯号；第二开关装置134控制第二栅极驱动电路122是否输出行驱动讯号。显示面板100包括第一讯号线132，使能信号通过第一讯号线132连接同一开关装置内的所有薄膜晶体管131的栅极。
阵列基板行驱动技术已经广泛的运用到液晶显示面板行业中，其中栅极驱动电路通常采用双边同时驱动的设计，两组阵列基板行电路120分别位于显示区110的两侧，提供驱动讯号。在显示区110和控制电路板200中间增加两组开关装置130，不仅可以进行双侧栅极驱动电路120的缺陷检测，也可以进行单侧栅极驱动电路120的缺陷检测，防止栅极驱动电路阵列测试存在单边漏检的情况，从而提高了产能。对于阵列基板行电路产品而言，栅极驱动电路120和控制电路板200之间只有阵列基板上的导线，我们可以调整阵列基板上的导线的宽度，开关装置130设置在此处对边侧电路板的影响不大。每组开关装置130包括一组薄膜晶体管131，其中薄膜晶体管的栅极131与使能讯号相连接，我们可以控制使能讯号来控制薄膜晶体管131，即通过使能讯号控制开关装置130的打开和闭合，开光装置130打开和闭合可以实现单侧栅极驱动电路120的缺陷检测。第一讯号线 132连接同一开关装置内的所有薄膜晶体管131的栅极，通过第一讯号线132把同一开关装置内的所有栅极串联起来，可以达到同时控制一组的薄膜晶体管131，使同一开关装置内的所有的开关装置130达到同时开启和同时闭合，简化操作流程，方便人员操作。控制电路板200包括时序控制器210和驱动电路板220，时序控制器210设置为显示装置时序控制电路；驱动电路板220，设置为承载驱动电路，与时序控制器210连接。其中驱动电路板220和栅极驱动电路120连接，两者之间通过导线连接。
作为本申请的另一实施例，参考图1至图5所示，公开了一种显示装置的检测方法，显示装置包括显示面板100，设置为驱动显示面板的控制电路板200，所述显示面板100包括：
第一栅极驱动电路121和第二栅极驱动电路122，分别位于显示面板100的显示区110两侧，与控制电路板200耦合，设置为向显示区100提供行驱动讯号；开关装置130，设置于显示区110与控制电路板200之间；开关装置130包括第一开关装置133和第二开关装置134，第一开关装置133控制第一栅极驱动电路121是否输出行驱动讯号；第二开关装置134控制第二栅极驱动电路122是否输出行驱动讯号；
检测方法包括：
S11:控制第一开关装置闭合，第二开关装置打开；
S12:检测第一栅极驱动电路的输出信号；
S13:控制第一开关装置打开，第二开关装置闭合；
S14:检测第二栅极驱动电路的输出信号；以及
S15:输出检测结果。
本方案中，通过控制第一开关装置闭合，第二开关装置打开，此时第一栅极驱动电路处于连通状态，此时第二栅极驱动电路处于断开状态，同时检测第一栅极驱动电路的输出信号；再把第一开关装置打开，第二开关 装置闭合，此时第一栅极驱动电路处于断开状态，此时第二栅极驱动电路处于闭合状态，同时检测第一栅极驱动电路的输出信号，并根据两次检测结果做出判断。
在一实施例中，通过使能讯号控制第一开关装置和第二开关装置的打开和闭合。
本方案中，当使能讯号连通时第一开关处于闭合状态，此时第一栅极驱动电路连通；当使能讯号断开时时第一开关处于打开状态，此时第一栅极驱动电路断开。
在一实施例中，本实施例可选的，开关装置130位于栅极驱动电路120和控制电路板200之间。
本方案中，对于阵列基板行电路产品而言，栅极驱动电路120和控制电路板200之间只有阵列基板上的导线(Wire On Array,WOA)，我们可以调整阵列基板上的导线的宽度，开关装置130设置在此处对边侧电路板的影响不大。
在一实施例中，开关装置130包括薄膜晶体管131，薄膜晶体管131的栅极与使能讯号连接。
本方案中，每组开关装置130包括一组薄膜晶体管131，其中薄膜晶体管131的栅极与使能讯号相连接，我们可以控制使能讯号来控制薄膜晶体管131，即通过使能讯号控制开关装置130的打开和闭合，开光装置130打开和闭合可以实现单侧栅极驱动电路120的缺陷检测。
在一实施例中，通过使能讯号控制薄膜晶体管131的打开和闭合。
本方案中，使能讯号控制薄膜晶体管131的打开和闭合，进而控制开光装置130的打开和闭合。
在一实施例中，显示面板100包括第一讯号线132，使能信号通过第一讯号线132连接同一开关装置内的所有薄膜晶体管131的栅极。
本方案中，第一讯号线132连接同一开关装置内的所有薄膜晶体管131的栅极，通过第一讯号线132把同一开关装置内的所有栅极串联起来，可以达到同时控制一组的薄膜晶体管131，使同一开关装置内的所有的开关装置130达到同时开启和同时闭合，简化操作流程，方便人员操作。
在一实施例中，控制电路板200包括时序控制器210和驱动电路板220，时序控制器210与驱动电路板220连接，驱动电路板220与栅极驱动电路120连接。
本方案中，控制电路板200包括时序控制器210和驱动电路板220，时序控制器210设置为显示装置时序控制电路；驱动电路板220，设置为承载驱动电路，与时序控制器210连接。其中驱动电路板220和栅极驱动电路120连接，两者之间通过导线连接。
参考图4，本实施例提供了一种开关装置的位置替代方式，开关装置130集成在栅极驱动电路120内。
本方案中，开关装置130集成在栅极驱动电路120内部，可以实现单侧栅极驱动电路120的缺陷检测，同时因为位于栅极驱动电路120内，可以节省空间，提高空间利用率。
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。
本申请的面板可以是TN面板(全称为Twisted Nematic，即扭曲向列型面板)、IPS面板(In-PaneSwitcing，平面转换)、VA面板(Multi-domain Vertica Alignment，多象限垂直配向技术)，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，包括：
    显示面板；
    控制电路板，设置为驱动所述显示面板；
    所述显示面板包括：
    第一栅极驱动电路和第二栅极驱动电路，分别位于所述显示面板的显示区两侧，所述第一栅极驱动电路和第二栅极驱动电路与控制电路板耦合，设置为向所述显示区提供行驱动讯号；
    开关装置，设置于所述显示区与所述控制电路板之间；以及
    所述开关装置包括第一开关装置和第二开关装置，所述第一开关装置控制所述第一栅极驱动电路是否输出行驱动讯号；所述第二开关装置控制所述第二栅极驱动电路是否输出行驱动讯号。
  2. 如权利要求1所述的一种显示装置，其中，所述开关装置位于所述栅极驱动电路和所述控制电路板之间。
  3. 如权利要求1所述的一种显示装置，其中，所述开关装置包括薄膜晶体管，所述薄膜晶体管的栅极与使能讯号连接，通过所述使能讯号控制所述薄膜晶体管的打开和闭合。
  4. 如权利要求3所述的一种显示装置，其中，所述显示面板包括第一讯号线，所述使能讯号通过所述第一讯号线连接同一开关装置内的所有薄膜晶体管的栅极。
  5. 如权利要求1所述的一种显示装置，其中，所述控制电路板包括时序控制器和驱动电路板，所述时序控制器与所述驱动电路板连接，所述驱动电路板与所述栅极驱动电路连接。
  6. 如权利要求1所述的一种显示装置，其中，所述开关装置位于栅极驱动 电路和显示区之间。
  7. 如权利要求1所述的一种显示装置，其中，所述开关装置集成在所述栅极驱动电路内。
  8. 一种显示装置，包括：
    显示面板；
    控制电路板，设置为驱动显示面板；
    所述显示面板包括：
    第一栅极驱动电路和第二栅极驱动电路，分别位于所述显示面板的显示区两侧，与控制电路板耦合，设置为向所述显示区提供行驱动讯号；
    开关装置，设置在所述显示区与所述控制电路板之间；以及
    所述开关装置包括第一开关装置和第二开关装置，所述第一开关装置控制所述第一栅极驱动电路是否输出行驱动讯号；所述第二开关装置控制所述第二栅极驱动电路是否输出行驱动讯号；所述显示面板包括第一讯号线，使能讯号通过所述第一讯号线连接同一开关装置内的所有薄膜晶体管的栅极。
  9. 一种显示装置的检测方法，显示装置包括：
    显示面板；
    控制电路板，设置为驱动所述显示面板；
    所述显示面板包括：
    第一栅极驱动电路和第二栅极驱动电路，分别位于所述显示面板的显示区两侧，所述第一栅极驱动电路和第二栅极驱动电路与控制电路板耦合，设置为向所述显示区提供行驱动讯号；
    开关装置，设置于所述显示区与所述控制电路板之间；
    所述开关装置包括第一开关装置和第二开关装置，所述第一开关装置控制所述第一栅极驱动电路是否输出行驱动讯号；所述第二开关装置控制所述第二栅极驱动电路是否输出行驱动讯号；
    检测方法包括：
    控制第一开关装置闭合，第二开关装置打开；
    检测第一栅极驱动电路的输出信号；
    控制第一开关装置打开，第二开关装置闭合；
    检测第二栅极驱动电路的输出信号；以及
    输出检测结果。
  10. 如权利要求9所述的一种显示装置的检测方法，其中，通过使能讯号控制第一开关装置和第二开关装置的打开和闭合。
  11. 如权利要求9所述的一种显示装置的检测方法，其中，所述开关装置位于所述栅极驱动电路和所述控制电路板之间。
  12. 如权利要求9所述的一种显示装置的检测方法，其中，所述开关装置包括薄膜晶体管，所述薄膜晶体管的栅极与使能讯号连接。
  13. 如权利要求12所述的一种显示装置的检测方法，其中，通过所述使能讯号控制所述薄膜晶体管的打开和闭合。
  14. 如权利要求12所述的一种显示装置的检测方法，其中，所述显示面板包括第一讯号线，所述使能讯号通过所述第一讯号线连接同一开关装置内的所有薄膜晶体管的栅极。
  15. 如权利要求9所述的一种显示装置的检测方法，其中，所述控制电路板包括时序控制器和驱动电路板，所述时序控制器与所述驱动电路板连接，所述驱动电路板与所述栅极驱动电路连接。
  16. 如权利要求9所述的一种显示装置的检测方法，其中，所述开关装置位于栅极驱动电路和显示区之间。
  17. 如权利要求9所述的一种显示装置的检测方法，其中，所述开关装置集成在所述栅极驱动电路内。
PCT/CN2018/114687 2018-10-22 2018-11-09 一种显示装置及其检测方法 WO2020082433A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/319,492 US11538430B2 (en) 2018-10-22 2018-11-09 Display device and inspection method therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811230464.6 2018-10-22
CN201811230464.6A CN109410852A (zh) 2018-10-22 2018-10-22 一种显示装置及其检测方法

Publications (1)

Publication Number Publication Date
WO2020082433A1 true WO2020082433A1 (zh) 2020-04-30

Family

ID=65468681

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/114687 WO2020082433A1 (zh) 2018-10-22 2018-11-09 一种显示装置及其检测方法

Country Status (3)

Country Link
US (1) US11538430B2 (zh)
CN (1) CN109410852A (zh)
WO (1) WO2020082433A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111445834B (zh) * 2020-05-12 2023-04-18 京东方科技集团股份有限公司 显示基板、显示面板和显示面板的测试方法
CN111681609A (zh) * 2020-06-11 2020-09-18 武汉华星光电半导体显示技术有限公司 一种显示装置和驱动电路检测方法
CN112331116A (zh) * 2020-11-05 2021-02-05 北海惠科光电技术有限公司 液晶面板和液晶面板阵列基板行驱动电路检测方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101017640A (zh) * 2007-02-27 2007-08-15 友达光电股份有限公司 显示面板
US20090231261A1 (en) * 2008-02-15 2009-09-17 Tomohiro Matsumoto Liquid crystal display device
CN204406007U (zh) * 2014-11-21 2015-06-17 凌巨科技股份有限公司 具有修复结构的显示器
CN106157858A (zh) * 2016-08-31 2016-11-23 深圳市华星光电技术有限公司 液晶显示面板的栅极驱动电路的测试电路及其工作方法
CN107015408A (zh) * 2017-04-19 2017-08-04 深圳市华星光电技术有限公司 Tft基板及其测试方法、消除关机残像的方法
CN107300794A (zh) * 2017-08-02 2017-10-27 深圳市华星光电技术有限公司 液晶显示面板驱动电路及液晶显示面板

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4659180B2 (ja) * 2000-07-12 2011-03-30 シャープ株式会社 表示装置
CN100351678C (zh) * 2003-08-27 2007-11-28 中华映管股份有限公司 显示面板合并检测电路
KR100508930B1 (ko) * 2003-10-01 2005-08-17 삼성에스디아이 주식회사 플라즈마 디스플레이 패널 장치 및 구동 방법
JP4656870B2 (ja) * 2004-06-25 2011-03-23 株式会社半導体エネルギー研究所 半導体表示装置及び電子機器
KR101359921B1 (ko) * 2007-03-02 2014-02-07 삼성디스플레이 주식회사 표시 장치
CN100568059C (zh) * 2008-06-24 2009-12-09 友达光电股份有限公司 液晶显示面板的检测电路与方法及其液晶显示面板
CN102144253B (zh) * 2008-10-10 2013-07-03 夏普株式会社 显示装置及其驱动方法
TW201042625A (en) * 2009-05-27 2010-12-01 Au Optronics Corp Liquid crystal display device and liquid crystal display panel thereof
KR101577223B1 (ko) * 2009-06-03 2015-12-15 엘지디스플레이 주식회사 액정 표시장치
CN202736443U (zh) * 2012-05-30 2013-02-13 北京京东方光电科技有限公司 一种显示器、阵列基板及阵列基板的测试电路
CN103295643B (zh) * 2012-12-21 2017-10-24 上海中航光电子有限公司 移位寄存器
CN103926767B (zh) * 2013-10-17 2017-01-25 成都天马微电子有限公司 液晶显示器及其检测方法
US9589521B2 (en) * 2014-11-20 2017-03-07 Shenzhen China Star Optoelectronics Technology Co., Ltd. Liquid crystal display apparatus having wire-on-array structure
CN104795044B (zh) * 2015-05-12 2017-07-28 京东方科技集团股份有限公司 驱动装置、驱动方法和显示装置
CN106952583B (zh) * 2017-05-23 2019-04-30 深圳市华星光电技术有限公司 柔性阵列基板的制作方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101017640A (zh) * 2007-02-27 2007-08-15 友达光电股份有限公司 显示面板
US20090231261A1 (en) * 2008-02-15 2009-09-17 Tomohiro Matsumoto Liquid crystal display device
CN204406007U (zh) * 2014-11-21 2015-06-17 凌巨科技股份有限公司 具有修复结构的显示器
CN106157858A (zh) * 2016-08-31 2016-11-23 深圳市华星光电技术有限公司 液晶显示面板的栅极驱动电路的测试电路及其工作方法
CN107015408A (zh) * 2017-04-19 2017-08-04 深圳市华星光电技术有限公司 Tft基板及其测试方法、消除关机残像的方法
CN107300794A (zh) * 2017-08-02 2017-10-27 深圳市华星光电技术有限公司 液晶显示面板驱动电路及液晶显示面板

Also Published As

Publication number Publication date
US11538430B2 (en) 2022-12-27
CN109410852A (zh) 2019-03-01
US20210335304A1 (en) 2021-10-28

Similar Documents

Publication Publication Date Title
WO2018107612A1 (zh) 显示基板及其测试方法
WO2017041480A1 (zh) 显示基板及其测试方法、显示装置
US9898985B2 (en) Gate on array drive system of raising yield and liquid crystal panel having the same
CN106157858B (zh) 液晶显示面板的栅极驱动电路的测试电路及其工作方法
US7808630B2 (en) Inspection apparatus for liquid crystal display device and inspection method using same
WO2020082433A1 (zh) 一种显示装置及其检测方法
WO2018072249A1 (zh) 显示模组及液晶显示屏
WO2017143669A1 (zh) Mura补偿电路和方法、驱动电路和显示装置
US9146409B2 (en) LCD, array substrate of LCD and method for repairing broken line
US8415966B2 (en) Liquid crystal display device and inspection method thereof
US20210142702A1 (en) Display device and method for detecting data link line defect in display device
KR20160068882A (ko) 액정패널 구동회로, 구동방법 및 액정디스플레이 장치
WO2015067064A1 (zh) 阵列基板及其驱动方法、显示装置
WO2020134947A1 (zh) 显示模组及显示装置
WO2015027604A1 (zh) 液晶面板的亮点检测方法
WO2015014065A1 (zh) 检测信号线和修复线的短路的方法
CN107015408A (zh) Tft基板及其测试方法、消除关机残像的方法
US20210097917A1 (en) Driving method of display panel, driving circuit and display device
WO2016202057A1 (zh) 阵列基板母板及其制作方法
WO2020133629A1 (zh) 一种显示装置的检修方法、驱动方法及显示装置
WO2019184351A1 (zh) 测试装置和测试方法
WO2017124609A1 (zh) 检测液晶显示面板良率的方法
US8305546B2 (en) Mother substrate for liquid crystal display device and method of fabricating liquid crystal display device
WO2019242243A1 (zh) 一种显示面板及显示装置
US10733923B2 (en) Display panel test detection method and device for storing a picture for detection in a source driver circuit board

Legal Events

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

Ref document number: 18938045

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18938045

Country of ref document: EP

Kind code of ref document: A1