WO2015043306A1 - 栅线断路检测方法及检测设备 - Google Patents

栅线断路检测方法及检测设备 Download PDF

Info

Publication number
WO2015043306A1
WO2015043306A1 PCT/CN2014/083078 CN2014083078W WO2015043306A1 WO 2015043306 A1 WO2015043306 A1 WO 2015043306A1 CN 2014083078 W CN2014083078 W CN 2014083078W WO 2015043306 A1 WO2015043306 A1 WO 2015043306A1
Authority
WO
WIPO (PCT)
Prior art keywords
gate line
unit
detected
signal
signal receiving
Prior art date
Application number
PCT/CN2014/083078
Other languages
English (en)
French (fr)
Inventor
蔡振飞
王旭
Original Assignee
京东方科技集团股份有限公司
北京京东方显示技术有限公司
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 京东方科技集团股份有限公司, 北京京东方显示技术有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US14/422,907 priority Critical patent/US9576514B2/en
Publication of WO2015043306A1 publication Critical patent/WO2015043306A1/zh

Links

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
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • 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
    • G02F1/136259—Repairing; Defects
    • 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
    • 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
    • G02F1/136254—Checking; 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
    • G02F1/136—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
    • G02F1/136259—Repairing; Defects
    • G02F1/136263—Line defects
    • 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

  • Embodiments of the present invention relate to a gate line break detection method and a detection apparatus. Background technique
  • the flat panel display device Compared with the conventional cathode ray tube display device, the flat panel display device has the advantages of being thin and light, low driving voltage, no flickering jitter, and long service life; the flat panel display device is divided into an active light emitting display device and a passive light emitting display device; for example, a thin film transistor liquid crystal A Thin Film Transistor-Liquid Crystal Display (TFT-LCD) is a passive illuminating display device. It is widely used in televisions due to its advantages of stable picture, vivid image, radiation elimination, space saving and energy saving. Electronic products such as mobile phones and display devices have occupied a dominant position in the field of flat display.
  • TFT-LCD Thin Film Transistor-Liquid Crystal Display
  • the liquid crystal display device mainly includes a liquid crystal display panel and a driving device for driving the liquid crystal display panel; the liquid crystal display panel mainly includes a first substrate and a second substrate disposed opposite to each other; generally, the first substrate and the second substrate are respectively an array substrate and a color film
  • the substrate, the array substrate includes a plurality of data lines and a plurality of gate lines arranged in a crisscross pattern, and the data lines and the gate lines define one pixel unit.
  • the driving device includes a gate driving circuit that outputs a scanning signal to the gate line and a data driving signal to the data line is a source driving circuit.
  • GOA Gate Driver on Array
  • bilateral drive display technology In order to reduce the overall size and manufacturing cost of the liquid crystal display device, GOA (Gate Driver on Array) technology and bilateral drive display technology have attracted more and more attention.
  • GOA technology refers to a process technology in which a gate driving circuit is directly fabricated on an array substrate instead of a driving chip made of an external silicon wafer; the application of the GOA technology can reduce the production process, reduce the product process cost, and improve the liquid crystal display. The degree of integration of the panel.
  • the bilateral driving display means that all the pixel units in the adjacent two columns of pixel units share one data line, so that the number of data lines is reduced; the pixel units located in the same row are respectively connected to two adjacent adjacent two gate lines, and On both sides of the array substrate, gate drive circuits for providing two scan signals different from each other to the two gate lines are respectively disposed.
  • the gate line disconnection detection is one of them.
  • FIG. 1 when the gate line disconnection detection is performed on the bilateral display device, A short-circuit structure is included on both sides of the array substrate, that is, two ends of each gate line 2 are respectively connected to the first detection line 11 and the second detection line 12 on both sides of the array substrate to form a short-circuit structure, so that
  • each signal transmitting/receiving unit can transmit both a test signal and a test signal; in the process of detecting the disconnection of the gate line to be detected, if a signal transmitting/receiving unit transmits a test signal, for example,
  • the first signal transmitting/receiving unit 41 transmits a test signal, even if the gate line to be detected is broken, but due to the existence of the short-circuit structure described above, the test signal passes through the adjacent gate line of the line to be detected, and is transmitted to the second signal transmission/reception.
  • Unit 42 causes the gate line to be broken and cannot be detected.
  • a gate line disconnection detecting method wherein two ends of the gate line are respectively connected to a first detecting line and a second detecting line, and the gate line has a plurality of lines;
  • Step 1 providing a first unit capable of receiving at least one signal at one end of the gate line to be detected, and a second unit capable of transmitting at least a signal at the other end;
  • Step 2 A first signal receiving unit for receiving a signal is disposed on a gate line other than the gate line to be detected.
  • step 2 is specifically:
  • a first signal receiving unit is disposed on a gate line adjacent to the gate line to be detected.
  • the step 2 includes:
  • the first signal receiving unit is located in the middle of its gate line.
  • At least one of the first unit and the second unit is a signal transmitting/receiving unit
  • the first unit is a second signal receiving unit
  • the second unit is a signal transmitting unit
  • the method further includes: Step 3: Determine whether the signal strength received by the first signal receiving unit is equal to or greater than a preset value:
  • the preset value is a minimum value of a signal strength value received by the first signal unit detected by detecting a plurality of broken gate lines.
  • a gate line breaking detection device includes a first unit capable of receiving at least a signal, a second unit capable of transmitting at least a signal, and a first signal receiving unit;
  • the first unit is disposed at one end of the gate line to be inspected, and the second unit is disposed at the other end of the gate line to be inspected;
  • the first signal receiving unit is disposed on a gate line outside the gate line to be detected.
  • the number of the first signal receiving units is one; the first signal receiving unit is disposed on a row of gate lines adjacent to the gate line to be detected.
  • the number of the first signal receiving units is two; two of the first signal receiving units are respectively disposed on a row of gate lines adjacent to the gate line to be detected on each side of the gate line to be detected. on.
  • the determining unit is further configured to: determine whether the signal strength received by the first signal receiving unit is equal to or greater than a preset value:
  • the preset value is a minimum value of a signal strength value received by the first signal unit detected by detecting a plurality of broken gate lines.
  • Still another embodiment of the present invention provides another method for detecting a broken line of a gate line: a method for detecting a broken line of a gate line, the gate line having a plurality of lines;
  • Step 1 A signal receiving unit for receiving signals is respectively disposed at both ends of the gate line to be detected;
  • Step 2 A second unit capable of transmitting at least a signal is disposed between the signal receiving units located at both ends of the gate line to be detected.
  • the second unit is disposed in the middle of the gate line to be detected.
  • step 3 determining whether both of the signal receiving units receive the signal: If not, determining that the to-be-detected gate line is open.
  • the second unit is a signal transmitting unit for transmitting a signal.
  • Still another embodiment of the present invention provides a method for implementing the above-described another gate line disconnection detection method.
  • Grid line breaking detection equipment :
  • a gate line breaking detection device includes a second unit capable of transmitting at least a signal and two signal receiving units;
  • Two of the signal receiving units are respectively disposed at two ends of the gate line to be detected
  • the second unit is disposed between the signal receiving units at both ends of the gate line to be detected.
  • the method further includes: a determining unit; the determining unit is configured to determine whether the two signal receiving units receive the signal:
  • the method for detecting a broken line of the gate line is that a first unit capable of receiving at least a signal is disposed at one end of the gate line to be detected, and a second unit capable of transmitting at least a signal is disposed at the other end, and the gate line to be detected is a first signal receiving unit for receiving a signal is disposed on the outer gate line, and determining whether an open circuit occurs according to the signal strength received by the first signal receiving unit; or, by receiving signals for receiving signals at both ends of the to-be-detected gate line a signal receiving unit, and a second unit capable of transmitting a signal between the signal receiving units located at both ends of the to-be-detected gate line, determining whether an open circuit is determined according to whether the two signal receiving units respectively receive the signal; thereby achieving bilateral In the detection of the gate line break of the drive type display device, it is possible to accurately detect whether the gate line is open or not, and provide technical support for timely elimination of defective products, thereby achieving the purpose of
  • FIG. 1 is a schematic diagram of a method for detecting a broken line of a prior art in the prior art
  • FIG. 2 is a schematic diagram of a method for detecting a broken line of a grid line according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of a method for detecting a broken line of a grid line in Embodiment 2 of the present invention.
  • FIG. 4 is a schematic diagram of a method for detecting a broken line of a grid line in the third embodiment of the present invention. detailed description
  • the main improvement of the present invention is that a bilateral drive type display device is realized by providing a unit capable of transmitting at least a signal and at least two units capable of receiving signals by mutual cooperation between two units capable of receiving signals. Grid line break detection. Based on this basic idea, the present invention provides two implementations:
  • the detection method includes:
  • Step 1 providing a first unit capable of receiving at least one signal at one end of the gate line to be detected, and a second unit capable of transmitting at least a signal at the other end;
  • Step 2 A first signal receiving unit for receiving a signal is disposed on a gate line other than the gate line to be detected.
  • the gate line breaking detecting apparatus includes a first unit capable of receiving at least a signal, a second unit capable of transmitting at least a signal, and a first signal receiving unit; One end of the gate line to be detected, the second unit is disposed at the other end of the gate line to be detected; the first signal receiving unit is disposed on a gate line outside the gate line to be detected.
  • the detection method includes:
  • Step 1 A signal receiving unit for receiving signals is respectively disposed at both ends of the gate line to be detected;
  • Step 2 A second unit capable of transmitting at least a signal is disposed between the signal receiving units located at both ends of the gate line to be detected.
  • the gate line breaking detecting device includes a second unit capable of transmitting at least a signal and two signal receiving units; two of the signal receiving units are respectively arranged on the to-be-detected gate line Both ends; the second unit is disposed between the signal receiving units at both ends of the gate line to be detected.
  • Embodiment 1 The grid line breaking detection method and the detecting device of the present invention will be described in detail below with reference to FIGS. 2 to 4. Embodiment 1
  • a gate line disconnection detection method is first provided. As shown in FIG. 2, a plurality of rows of gate lines 2 are disposed on the array substrate, and two ends of each gate line 2 are respectively connected to the two sides of the array substrate.
  • the first detecting line 11 and the second detecting line 12 form a short-circuit structure; the gate line breaking detecting method in this embodiment mainly includes the steps of:
  • Step 1 providing, at one end of the gate line to be detected, a first unit capable of receiving at least a signal, and at the other end, providing a second unit capable of transmitting at least a signal; for example, at least one of the first unit and the second unit is a signal transmitting/receiving unit That is, a first signal transmitting/receiving unit may be disposed at one end of the to-be-detected gate line, a second signal receiving unit or a signal transmitting unit may be disposed at the other end of the to-be-detected gate line, or a first end of the to-be-detected gate line may be disposed.
  • a signal transmitting/receiving unit which is provided with a second signal transmitting/receiving unit at the other end of the gate line to be detected;
  • the first unit is a second signal receiving unit
  • the second unit is a signal transmitting unit, that is, the gate to be detected
  • One end of the line is provided with a second signal receiving unit, and the other end of the to-be-detected gate line is provided with a signal transmitting unit or the like; in this embodiment, the first unit is the first signal transmitting/receiving unit 41, and the second unit is the second signal.
  • the transmitting/receiving unit 42 will be described as an example.
  • Step 2 respectively setting a first line on a row of the gate line to be detected, a gate line adjacent to the gate line to be detected, and a row line adjacent to the gate line to be detected on the other side of the gate line to be detected
  • the signal receiving unit 51; the selection of the first signal receiving unit 51 on the "adjacent" grid line is not the only selection method of the invention, and the selection of the non-adjacent grid line can still achieve the purpose, but only Since the first signal receiving unit 51 is disposed on the gate line adjacent to the gate line to be detected, the signal strength received on the other gate lines may be stronger, so that the judgment is easy, and therefore, the description will be made as a preferred embodiment.
  • the first signal receiving unit 51 is further disposed in the middle of the gate line where the gate line is located; that is, a middle portion of the gate line adjacent to the gate line to be detected is disposed on the side of the gate line to be detected.
  • the first signal receiving unit 51 is provided with a first signal receiving unit 51 in the middle of a row of gate lines adjacent to the gate line to be detected on the other side of the gate line to be detected.
  • Step 2 Determine whether the signal strength received by the first signal receiving unit 51 is equal to or greater than a preset value:
  • the test signals transmitted by the first signal transmitting/receiving unit 41 and the second signal transmitting/receiving unit 42 are transmitted to the gate lines to be detected through the gate lines adjacent to the gate lines to be detected.
  • the other is a second signal receiving unit or a signal transmitting unit, or, when the first unit is a second signal receiving unit, and the second unit is a signal transmitting unit
  • the detection principle is similar to the above detection principle, and will not be described here.
  • the grid line breaking detecting device includes two signal transmitting/receiving units and two first signals. a receiving unit 51; wherein two signal transmitting/receiving units are respectively disposed at two ends of the gate line to be detected; and two first signal receiving units 51 are respectively disposed on both sides of the gate line to be detected and adjacent to the gate line to be detected
  • the two rows of gate lines may also be improved by the setting device, that is, two first signal receiving units 51 may be added; of course, the present embodiment includes a signal transmission/ a receiving unit, a signal transmitting unit or a second signal receiving unit and two first signal receiving units; wherein the signal transmitting/receiving unit is disposed at one end of the gate line to be detected, and one signal transmitting unit or the second signal receiving unit is disposed at The other end of the gate line to be detected
  • the gate line breaking detection device in this embodiment further includes a determining unit; the signal strength preset value received by the first signal receiving unit 51 is prestored in the determining unit, and the preset value may be a gate line for multiple broken circuits. Performing the detection of the minimum value of the signal strength value received by the first signal unit; if the determining unit determines that the signal strength received by the first signal receiving unit 51 is smaller than the preset value, determining that the gate line to be detected is not broken; The determining unit determines that the signal strength received by the first signal receiving unit 51 is equal to or greater than a preset value, and determines that the gate line to be detected is broken.
  • a gate line disconnection detecting method is first provided. As shown in FIG. 3, a plurality of rows of gate lines 2 are disposed on the array substrate, and two ends of each gate line 2 are respectively connected to the two sides of the array substrate.
  • the first detecting line 11 and the second detecting line 12 form a short-circuit structure; the gate line breaking detecting method in this embodiment mainly includes the steps of:
  • Step 1 providing, at one end of the gate line to be detected, a first unit capable of receiving at least a signal, and at the other end, providing a second unit capable of transmitting at least a signal; for example, at least one of the first unit and the second unit is a signal transmitting/receiving unit That is, a first signal transmitting/receiving unit may be disposed at one end of the to-be-detected gate line, a second signal receiving unit or a signal transmitting unit may be disposed at the other end of the to-be-detected gate line, or a first end of the to-be-detected gate line may be disposed.
  • the second signal transmitting/receiving unit is disposed at the other end of the gate line to be detected; for example, the first unit is the second signal receiving unit 52, and the second unit is the signal transmitting unit 61, that is, waiting One end of the detection gate line is provided with a second signal receiving unit 52, the other end of the gate line to be detected is a signal transmitting unit 61, etc.; in this embodiment, the first unit is the second signal receiving unit 52, and the second unit is a signal transmitting unit.
  • the unit 61 will be described as an example.
  • Step 2 The first signal receiving unit 51 is disposed on a row of gate lines adjacent to the gate line to be detected on the side of the gate line to be detected; the first signal receiving unit 51 is disposed on the gate line adjacent to the gate line to be detected In the above, the signal received on the other gate lines is stronger, so that the judgment is easier; further, in the embodiment, the first signal receiving unit 51 is preferably disposed in the middle of the gate line; a first signal receiving unit 51 is disposed in a middle of a row of gate lines adjacent to the gate line to be detected on the side of the gate line to be detected;
  • selecting the first signal receiving unit 51 on the "adjacent" gate line is not the only selection method of the technical solution of the present invention, and selecting the non-adjacent grid line can still achieve the purpose. It is only because the first signal receiving unit 51 is disposed on the gate line adjacent to the gate line to be detected, and the signal strength received on the other gate lines may be stronger, so that the judgment is easy, and therefore, as a preferred embodiment, In addition, relatively speaking, setting the first signal receiving unit 51 in the middle portion on the same grid line is not the only position selection of the technical solution, and the selection in the non-intermediate position can still achieve the purpose, just because the setting The reception of signals from both ends of the gate line at the middle position is the same, which facilitates accurate comparison, and therefore will be described as a preferred embodiment.
  • step 2 the method further includes:
  • Step 3 Determine whether the signal strength received by the first signal receiving unit 51 is equal or greater than a preset value:
  • the test signal emitted by the signal transmitting unit 61 is transmitted to a first signal receiving unit 51 located on one side of the gate line to be detected through a gate line adjacent to the gate line to be detected; If there is no open circuit in the gate line, most of the test signals transmitted by the signal transmitting unit 61 are received by the second signal receiving unit 52, and the signal strength received by the first signal receiving unit 51 is low; therefore, a preset can be set by Setting a value (for example, the preset value may be a signal strength value received by the first signal receiving unit 51 during a majority of signal detection processes), and determining whether the test signal strength received by the first signal receiving unit 51 is equal to or greater than a preset value.
  • the preset value may be a signal strength value received by the first signal receiving unit 51 during a majority of signal detection processes
  • the detection principle is similar to the above detection principle, and details are not described herein again. .
  • a gate line breaking detecting device for implementing the above-described gate line breaking detecting method is further provided.
  • the grid line breaking detecting device includes a second signal receiving unit 52 and a signal transmitting unit 61. And a first signal receiving unit 51; wherein, the second signal receiving unit 52 is disposed at one end of the gate line to be detected, the signal transmitting unit 61 is disposed at the other end of the gate line to be detected, and a first signal receiving unit 51 is disposed at A row of gate lines to be detected adjacent to the gate line to be detected (as described in the above-described gate line break detection method may also be disposed on other gate lines).
  • the disconnection detecting device includes a signal transmitting/receiving unit, a signal transmitting unit 61 or a second signal receiving unit 52 or a signal transmitting/receiving unit and a first signal receiving unit 51; wherein a signal transmitting/receiving unit is set to be detected One end of the grid line, a signal transmitting unit 61 or The second signal receiving unit 52 or the signal transmitting/receiving unit is disposed at the other end of the gate line to be detected, and a first signal receiving unit 51 is disposed on a side of the gate line to be detected adjacent to the gate line to be detected. on-line.
  • the gate line breaking detection device in this embodiment further includes a determining unit; the signal strength preset value received by the first signal receiving unit 51 is prestored in the determining unit, and the preset value may be a gate line for multiple broken circuits. And determining, by the detecting, the minimum value of the signal strength value received by the first signal unit 51; if the determining unit determines that the signal strength received by the first signal receiving unit 51 is smaller than the preset value, determining that the to-be-detected gate line is not open; If the determining unit determines that the signal strength received by the first signal receiving unit 51 is equal to or greater than a preset value, it is determined that the gate line to be detected is open.
  • the gate line breaking detection method and the detecting device provided in the embodiment use less of a first signal receiving unit, and thus are more powerful. Easy to implement.
  • a gate line break detection method is first provided. As shown in FIG. 4, a plurality of rows of gate lines 2 are disposed on the array substrate, and two ends of each gate line 2 are respectively connected to the two sides of the array substrate.
  • the first detecting line 11 and the second detecting line 12 form a short-circuit structure; the gate line breaking detecting method in this embodiment mainly includes the steps of:
  • Step 1 a signal receiving unit for receiving a signal is respectively disposed at two ends of the gate line to be detected; that is, a third signal receiving unit 53 is disposed at one end of the gate line to be detected, and a fourth signal is disposed at the other end of the gate line to be detected.
  • Step 2 arranging at least a second unit capable of transmitting a signal between signal receiving units located at both ends of the gate line to be detected;
  • the second unit may be a signal transmitting unit 61 for transmitting a signal, or may be a signal transmitting/receiving Units and the like; in the same gate line, the signal transmitting unit 61 is disposed in the middle portion, so that the signal strengths received by the signal receiving units disposed at both ends of the gate line to be detected are more similar, and therefore, the signal is further further in this embodiment.
  • the emission unit 61 is disposed in the middle of the gate line where it is located.
  • step 2 the method further includes:
  • Step 3 Determine whether both of the signal receiving units receive signals:
  • the test signals transmitted by the signal transmitting unit 61 are respectively transmitted to the located The third signal receiving unit 53 and the fourth signal receiving unit 54 at both ends of the gate line to be detected; if there is no open circuit in the gate line to be detected, both the third signal receiving unit 53 and the fourth signal receiving unit 54 receive the signal, and
  • the signal transmitting unit 61 is disposed in the middle of the gate line to be detected, and the signal strength values received by the third signal receiving unit 53 and the fourth signal receiving unit 54 are substantially equal; therefore, when there is no signal receiving unit or a signal is received When the signal strength received by the signal receiving unit is too small, it can be judged that the gate line to be detected is broken.
  • the two detection lines 11 and the second detection lines 12 on both sides of the array substrate are respectively connected to each other as an example.
  • the third signal receiving unit 53, the fourth signal receiving unit 54, and the signal transmitting unit 61 in this embodiment are all disposed on the same gate line, the first detecting line and the second detecting line may not be needed. Complete the test.
  • a gate line breaking detecting device for implementing the above-described gate line breaking detecting method is further provided.
  • the grid line breaking detecting device includes a two signal receiving unit and a signal transmitting unit 61; a third signal receiving unit 53 is disposed at one end of the gate line to be detected, a fourth signal receiving unit 54 is disposed at the other end of the gate line to be detected, and a signal transmitting unit 61 is disposed at a middle portion of the gate line to be detected;
  • the description of the open circuit detection method may also be set at other positions of the gate line to be detected.
  • the gate line breaking detection device in this embodiment further includes a determining unit; the determining unit is configured to determine whether the two signal receiving units respectively receive the signal: If not, determining that the to-be-detected gate line is open.
  • the grid line breaking detection can be realized, and the detecting method is simpler, so that it is convenient to implement and more practical.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

一种栅线断路检测方法及检测设备，该栅线断路检测方法包括：步骤1：在待检测栅线（2）的一端设置至少能够接收信号的第一单元（41），另一端设置至少能够发射信号的第二单元（42）；步骤2：在待检测栅线（2）之外的栅线上设置用于接收信号的第一信号接收单元（51）。该栅线断路检测方法，根据第一信号接收单元（51）接收的信号强度判断是否出现断路，从而实现了在双边驱动型显示装置栅线断路检测中，能够准确检测出栅线是否断路，为及时排除不良的产品提供了技术支持，实现了提升产品良率的目的。

Description

栅线断路检测方法及检测设备 技术领域
本发明的实施例涉及一种栅线断路检测方法及检测设备。 背景技术
平板显示装置相比于传统的阴极射线管显示装置具有轻薄、驱动电压低、 没有闪烁抖动以及使用寿命长等优点； 平板显示装置分为主动发光显示装置 与被动发光显示装置； 例如， 薄膜晶体管液晶显示装置 （ Thin Film Transistor-Liquid Crystal Display, TFT-LCD )就是一种被动发光显示装置， 由于其具有画面稳定、 图像逼真、 消除辐射、 节省空间以及节省能耗等优点， 被广泛应用于电视、 手机、 显示装置等电子产品中， 已占据了平面显示领域 的主导地位。
液晶显示装置主要包括液晶显示面板以及驱动该液晶显示面板的驱动装 置； 液晶显示面板主要包括相对设置的第一基板和第二基板； 通常， 第一基 板和第二基板分别为阵列基板和彩膜基板， 阵列基板包括纵横交错设置的多 条数据线以及多条栅线， 数据线和栅线限定出一个个像素单元。 驱动装置包 括将扫描信号输出至栅线的栅极驱动电路以及将数据信号输出至数据线是源 极驱动电路。
为了减少液晶显示装置的总尺寸以及制造成本， GOA ( Gate Driver on Array, 阵列基板行驱动）技术以及双边驱动显示技术到了越来越多的关注。 GOA技术是指直接将栅极驱动电路制作在阵列基板上，来代替由外接硅片制 作的驱动芯片的一种工艺技术； GOA技术的应用可减少生产工艺程序， 降低 产品工艺成本，提高液晶显示面板的集成度。 双边驱动显示是指， 相邻的两 列像素单元中的所有像素单元共享一条数据线， 使得数据线的数量减少； 位 于同一行的像素单元分别连接至彼此相邻的两条栅线， 并且在阵列基板的两 侧， 分别设置有提供彼此不同的两个扫描信号至两条栅线的栅极驱动电路。
在阵列基板的生成工艺中， 需要经过很多道检测工艺， 栅线断路检测就 是其中的一种。 如图 1中所示， 在对双边显示装置进行栅线断路检测时， 由 于阵列基板的两侧均包含有短路结构， 即各栅线 2的两端分别与位于阵列基 板两侧的第一检测线 11以及第二检测线 12连接， 形成短路结构， 这样， 通
号发射 /接收单元， 每个信号发射 /接收单元既可以发射测试信号， 也可以接 收测试信号； 在对待检测栅线的断路检测过程中， 如果一个信号发射 /接收单 元发射测试信号， 例如， 图中的第一信号发射 /接收单元 41发射测试信号， 即使待检测栅线断路， 但是由于上述短路结构的存在， 测试信号会通过待检 测线相邻的栅线， 传递至第二信号发射 /接收单元 42， 导致栅线断路无法被 检出。 发明内容
本发明的一个实施例提供了一种用于检测栅线断路的方法：
一种栅线断路检测方法， 所述栅线的两端分别连接至第一检测线和第二 检测线， 所述栅线有多行； 包括：
步骤 1 : 在待检测栅线的一端设置至少能够接收信号的第一单元， 另一 端设置至少能够发射信号的第二单元；
步骤 2: 在待检测栅线之外的栅线上设置用于接收信号的第一信号接收 单元。
在一个示例中， 所述步骤 2具体为：
在与待检测栅线相邻的栅线上设置第一信号接收单元。
在一个示例中， 所述步骤 2包括：
在位于待检测栅线一侧、 与待检测栅线相邻的一行栅线上以及位于待检 测栅线另一侧、与待检测栅线相邻的一行栅线上分别设置第一信号接收单元。
在一个示例中， 所述第一信号接收单元位于其所在栅线的中部。
在一个示例中，所述第一单元和第二单元中至少一个为信号发射 /接收单 元；
或者， 所述第一单元为第二信号接收单元， 所述第二单元为信号发射单 元。
在一个示例中， 所述步骤 2之后还包括： 步骤 3: 判断所述第一信号接收单元接收的信号强度是否等于或大于预 设值：
若是， 则判断待检测栅线出现断路， 其中， 所述预设值是针对多条出现 断路的栅线进行检测得到的第一信号单元接收的信号强度值的最小值。
本发明的另一个实施例还提供了一种实现上述任意一种栅线断路检测方 法的栅线断路检测设备：
一种栅线断路检测设备， 包括至少能够接收信号的第一单元、 至少能够 发射信号的第二单元以及第一信号接收单元；
所述第一单元布置在待检测栅线的一端， 所述第二单元布置在待检测栅 线的另一端；
所述第一信号接收单元布置在待检测栅线之外的栅线上。
在一个示例中， 所述第一信号接收单元的数量为一个； 所述第一信号接 收单元布置在与待检测栅线相邻的一行栅线上。
在一个示例中， 所述第一信号接收单元的数量为两个； 两个所述第一信 号接收单元分别布置在位于待检测栅线每一侧、 与待检测栅线相邻的一行栅 线上。
在一个示例中， 还包括判断单元； 所述判断单元用于判断所述第一信号 接收单元接收的信号强度是否等于或大于预设值：
若是， 则判断待检测栅线出现断路， 其中， 所述预设值是针对多条出现 断路的栅线进行检测得到的第一信号单元接收的信号强度值的最小值。
本发明的又一个实施例还提供了另一种用于检测栅线断路的方法： 一种栅线断路检测方法， 所述栅线有多行； 包括：
步骤 1 : 在待检测栅线的两端分别设置用于接收信号的信号接收单元； 步骤 2: 在位于待检测栅线两端的信号接收单元之间设置至少能够发射 信号的第二单元。
在一个示例中， 所述第二单元设置在待检测栅线的中部。
在一个示例中， 步骤 3: 判断两个所述信号接收单元是否均接收到信号： 若否， 则判断待检测栅线出现断路。
在一个示例中， 所述第二单元为用于发射信号的信号发射单元。
本发明的再一个实施例还提供了一种实现上述另一种栅线断路检测方法 的栅线断路检测设备：
一种栅线断路检测设备， 包括至少能够发射信号的第二单元以及两个信 号接收单元；
两个所述信号接收单元分别布置在待检测栅线的两端；
所述第二单元布置在待检测栅线两端的信号接收单元之间。
优选的， 还包括判断单元； 所述判断单元用于判断两个所述信号接收单 元是否均接收到信号：
若否， 则判断待检测栅线出现断路。
本发明实施例所提供的栅线断路检测方法， 通过在待检测栅线的一端设 置至少能够接收信号的第一单元，另一端设置至少能够发射信号的第二单元， 并且， 在待检测栅线之外的栅线上设置用于接收信号的第一信号接收单元， 根据第一信号接收单元接收的信号强度判断是否出现断路； 或者， 通过在待 检测栅线的两端分别设置用于接收信号的信号接收单元， 并且在位于待检测 栅线两端的信号接收单元之间设置至少能够发射信号的第二单元， 根据两个 信号接收单元是否均接收到信号判断是否出现断路； 从而实现了在双边驱动 型显示装置栅线断路检测中， 能够准确检测出栅线是否断路， 为及时排除不 良的产品提供了技术支持， 实现了提升产品良率的目的。 附图说明
为了更清楚地说明本发明实施例的技术方案， 下面将对实施例的附图作 简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例， 而非对本发明的限制。
图 1是现有技术中的栅线断路检测方法示意图；
图 2是本发明实施例一中的栅线断路检测方法示意图；
图 3是本发明实施例二中的栅线断路检测方法示意图；
图 4是本发明实施例三中的栅线断路检测方法示意图。 具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发 明实施例的附图， 对本发明实施例的技术方案进行清楚、 完整地描述。显然， 所描述的实施例是本发明的一部分实施例， 而不是全部的实施例。 基于所描 述的本发明的实施例， 本领域普通技术人员在无需创造性劳动的前提下所获 得的所有其他实施例， 都属于本发明保护的范围。
本发明的主要改进之处在于， 通过设置一个至少能够发射信号的单元， 以及至少两个能够接收信号的单元， 通过两个能够接收信号的单元之间的相 互配合， 实现双边驱动型显示装置中的栅线断路检测。 基于该基本构思， 本 发明提供了两种实现方案：
方案一
本方案所提供的栅线断路检测方法中， 栅线的两端分别连接至第一检测 线和第二检测线， 栅线有多行； 该检测方法包括：
步骤 1 : 在待检测栅线的一端设置至少能够接收信号的第一单元， 另一 端设置至少能够发射信号的第二单元；
步骤 2: 在待检测栅线之外的栅线上设置用于接收信号的第一信号接收 单元。
与上述栅线断路检测方法对应， 本方案所提供的栅线断路检测设备， 包 括至少能够接收信号的第一单元、 至少能够发射信号的第二单元以及第一信 号接收单元； 第一单元布置在待检测栅线的一端， 第二单元布置在待检测栅 线的另一端； 第一信号接收单元布置在待检测栅线之外的栅线上。
方案二
本方案所提供的栅线断路检测方法中， 栅线的两端分别连接至第一检测 线和第二检测线， 栅线有多行； 该检测方法包括：
步骤 1 : 在待检测栅线的两端分别设置用于接收信号的信号接收单元； 步骤 2: 在位于待检测栅线两端的信号接收单元之间设置至少能够发射 信号的第二单元。
与上述栅线断路检测方法对应， 本方案所提供的栅线断路检测设备， 包 括至少能够发射信号的第二单元以及两个信号接收单元； 两个所述信号接收 单元分别布置在待检测栅线的两端； 所述第二单元布置在待检测栅线两端的 信号接收单元之间。
下面结合图 2-图 4对本发明所提的栅线断路检测方法及检测设备加以详 细说明。 实施例一
本实施例中首先提供了一种栅线断路检测方法； 如图 2中所示， 在阵列 基板上设置有多行栅线 2， 各栅线 2的两端分别连接至位于阵列基板两侧的 第一检测线 11 以及第二检测线 12， 形成短路结构； 本实施例中的栅线断路 检测方法主要包括步骤：
步骤 1 : 在待检测栅线的一端设置至少能够接收信号的第一单元， 另一 端设置至少能够发射信号的第二单元； 例如， 第一单元和第二单元中至少一 个为信号发射 /接收单元， 即可以是在待检测栅线的一端设置第一信号发射 / 接收单元，在待检测栅线的另一端设置第二信号接收单元或者信号发射单元， 或者， 在待检测栅线的一端设置第一信号发射 /接收单元， 在待检测栅线的另 一端设置第二信号发射 /接收单元； 又例如， 第一单元为第二信号接收单元， 第二单元为信号发射单元， 即在待检测栅线的一端设置第二信号接收单元， 在待检测栅线的另一端设置信号发射单元等等； 本实施例中以第一单元为第 一信号发射 /接收单元 41，第二单元为第二信号发射 /接收单元 42为例进行说 明。
步骤 2: 在位于待检测栅线一侧、 与待检测栅线相邻的一行栅线上以及 位于待检测栅线另一侧、 与待检测栅线相邻的一行栅线上分别设置第一信号 接收单元 51 ; 此处选择在 "相邻的" 栅线上设置第一信号接收单元 51并非 发明技术方案仅有的选择方式， 选择在非相邻的栅线上设置仍然能够达到目 的，只是因为第一信号接收单元 51设置在与待检测栅线相邻的栅线上相比于 设置在其他栅线上接收到的信号强度可能更强， 从而易于进行判断， 因此作 为优选实施方式进行说明； 此外， 相对而言， 在同一条栅线上， 将第一信号 接收单元 51设置在中部也并非发明技术方案仅有的位置选择，选择在非中间 的位置仍可以达到目的， 只是因为设置在中部位置时接收来自栅线两端的信 号的延迟损耗相同， 便于进行准确比较， 因此作为优选实施方式进行说明； 因此，本实施例中还进一步的将第一信号接收单元 51设置在其所在栅线的中 部； 即在位于待检测栅线一侧、 与待检测栅线相邻的一行栅线的中部设置一 个第一信号接收单元 51， 在位于待检测栅线另一侧、 与待检测栅线相邻的一 行栅线的中部设置一个第一信号接收单元 51。
本实施例中， 步骤 2之后还包括： 步骤 3:判断第一信号接收单元 51接收的信号强度是否等于或大于预设 值：
若是， 则判断待检测栅线出现断路。
例如， 如图 2中所示， 第一信号发射 /接收单元 41以及第二信号发射 /接 收单元 42发射的测试信号通过与待检测栅线相邻的栅线，传递到位于待检测 栅线两侧的两个第一信号接收单元 51 ; 如果待检测栅线不存在断路， 则第一 信号发射 /接收单元 41发射的测试信号中的大部分会被第二信号发射 /接收单 元 42接收，第二信号发射 /接收单元 42发射的测试信号中的大部分会被第一 信号发射 /接收单元 41接收，而两个第一信号接收单元 51接收的信号强度很 低； 因此， 可以通过设置一个预设值（例如， 预设值可以是针对多条出现断 路的栅线进行检测得到的第一信号单元 51接收的信号强度值的最小值，例如 2 - 4V ) , 判断第一信号接收单元 51接收到的测试信号强度是否等于或大于 预设值， 即可判断栅线是否发生断路。 当第一单元和第二单元中一个为信号 发射 /接收单元， 另一个是第二信号接收单元或者信号发射单元， 或者， 当第 一单元为第二信号接收单元， 第二单元为信号发射单元时， 检测原理与上述 检测原理类似， 在此不再赘述。
本实施例中还提供了一种实现上述栅线断路检测方法的栅线断路检测设 备； 如图 2中所示， 该栅线断路检测设备包括两个信号发射 /接收单元和两个 第一信号接收单元 51 ; 其中， 两个信号发射 /接收单元分别布置在待检测栅 线的两端； 两个第一信号接收单元 51分别布置在位于待检测栅线两侧、与待 检测栅线相邻的两行栅线上（如上述栅线断路检测方法中描述， 也可以是设 测设备改进而来， 即增加两个第一信号接收单元 51即可实现； 当然， 本实施 包括一个信号发射 /接收单元、一个信号发射单元或者第二信号接收单元和两 个第一信号接收单元； 其中， 信号发射 /接收单元设置在待检测栅线的一端， 一个信号发射单元或者第二信号接收单元设置在待检测栅线的另一端， 两个 第一信号接收单元分别布置在位于待检测栅线两侧、 与待检测栅线相邻的两 行栅线上； 又例如， 栅线断路检测设备包括一个第二信号接收单元、 一个信 号发射单元和两个第一信号接收单元； 其中， 第二信号接收单元设置在待检 测栅线的一端， 信号发射单元设置在待检测栅线的另一端， 两个第一信号接 收单元分别布置在位于待检测栅线两侧、 与待检测栅线相邻的两行栅线上。
进一步的， 本实施例中的栅线断路检测设备还包括判断单元； 判断单元 中预存有第一信号接收单元 51接收的信号强度预设值，预设值可以是针对多 条出现断路的栅线进行检测得到的第一信号单元接收的信号强度值的最小 值； 若判断单元判断第一信号接收单元 51 接收的信号强度与预设值相比更 小，则判断待检测栅线没有断路； 若判断单元判断第一信号接收单元 51接收 的信号强度等于或大于预设值， 则判断待检测栅线出现断路。
实施例二
本实施例中首先提供了一种栅线断路检测方法； 如图 3中所示， 在阵列 基板上设置有多行栅线 2， 各栅线 2的两端分别连接至位于阵列基板两侧的 第一检测线 11以及第二检测线 12， 形成短路结构； 本实施例中的栅线断路 检测方法主要包括步骤：
步骤 1 : 在待检测栅线的一端设置至少能够接收信号的第一单元， 另一 端设置至少能够发射信号的第二单元； 例如， 第一单元和第二单元中至少一 个为信号发射 /接收单元， 即可以是在待检测栅线的一端设置第一信号发射 / 接收单元，在待检测栅线的另一端设置第二信号接收单元或者信号发射单元， 或者， 在待检测栅线的一端设置第一信号发射 /接收单元， 在待检测栅线的另 一端设置第二信号发射 /接收单元； 又例如， 第一单元为第二信号接收单元 52, 第二单元为信号发射单元 61， 即在待检测栅线的一端设置第二信号接收 单元 52， 在待检测栅线的另一端信号发射单元 61等等； 本实施例中以第一 单元为第二信号接收单元 52， 第二单元为信号发射单元 61为例进行说明。
步骤 2: 在位于待检测栅线一侧、 与待检测栅线相邻的一行栅线上设置 第一信号接收单元 51 ; 第一信号接收单元 51设置在与待检测栅线相邻的栅 线上，相比于设置在其他栅线上接收到的信号强度更强，从而易于进行判断； 此外， 本实施例中还优选地将第一信号接收单元 51 设置在其所在栅线的中 部； 即在位于待检测栅线一侧、 与待检测栅线相邻的一行栅线的中部设置一 个第一信号接收单元 51 ;
该步骤中， 选择在 "相邻的"栅线上设置第一信号接收单元 51并非本发 明技术方案仅有的选择方式，选择在非相邻的栅线上设置仍然能够达到目的， 只是因为第一信号接收单元 51 设置在与待检测栅线相邻的栅线上相比于设 置在其他栅线上接收到的信号强度可能更强， 从而易于进行判断， 因此作为 优选实施方式进行说明； 此外， 相对而言， 在同一条栅线上， 将第一信号接 收单元 51设置在中部也并非发明技术方案仅有的位置选择，选择在非中间的 位置仍可以达到目的， 只是因为设置在中部位置时接收来自栅线两端的信号 的延迟损耗相同， 便于进行准确比较， 因此作为优选实施方式进行说明。
本实施例中， 步骤 2之后还包括：
步骤 3:判断第一信号接收单元 51接收的信号强度是否相等或大于预设 值：
若是， 则判断待检测栅线出现断路。
例如，如图 3中所示，信号发射单元 61发射的测试信号通过与待检测栅 线相邻的栅线， 传递到位于待检测栅线一侧的一个第一信号接收单元 51 ; 如 果待检测栅线不存在断路，则信号发射单元 61发射的测试信号中的大部分会 被第二信号接收单元 52接收，而第一信号接收单元 51接收的信号强度很低； 因此， 可以通过设置一个预设值（例如， 预设值可以是在多数信号检测过程 中第一信号接收单元 51接收的信号强度值） ， 判断第一信号接收单元 51接 收到的测试信号强度是否等于或大于预设值， 即可判断栅线是否发生断路。 当第一单元和第二单元中一个为信号发射 /接收单元，另一个是第二信号接收 单元或者信号发射单元或者信号发射 /接收单元时，检测原理与上述检测原理 类似， 在此不再赘述。
本实施例中还提供了一种实现上述栅线断路检测方法的栅线断路检测设 备； 如图 3中所示， 该栅线断路检测设备包括一个第二信号接收单元 52、 一 个信号发射单元 61和一个第一信号接收单元 51 ; 其中， 第二信号接收单元 52设置在待检测栅线的一端，信号发射单元 61设置在待检测栅线的另一端， 一个第一信号接收单元 51布置在位于待检测栅线一侧、与待检测栅线相邻的 一行栅线上（如上述栅线断路检测方法中描述，也可以是设置在其他栅线上 )。 断路检测设备包括一个信号发射 /接收单元、 一个信号发射单元 61或者第二 信号接收单元 52或者信号发射 /接收单元和一个第一信号接收单元 51 ;其中， 一个信号发射 /接收单元设置在待检测栅线的一端， 一个信号发射单元 61或 者第二信号接收单元 52 或者信号发射 /接收单元设置在待检测栅线的另一 端，一个第一信号接收单元 51布置在位于待检测栅线一侧、与待检测栅线相 邻的一行栅线上。
进一步的， 本实施例中的栅线断路检测设备还包括判断单元； 判断单元 中预存有第一信号接收单元 51接收的信号强度预设值，预设值可以是针对多 条出现断路的栅线进行检测得到的第一信号单元 51 接收的信号强度值的最 小值；若判断单元判断第一信号接收单元 51接收的信号强度与预设值相比更 小，则判断待检测栅线没有断路； 若判断单元判断第一信号接收单元 51接收 的信号强度等于或大于预设值， 则判断待检测栅线出现断路。
相比于实施例一中所提供的栅线断路检测方法及检测设备， 本实施例所 提供的栅线断路检测方法及检测设备少使用了一个第一信号接收单元， 因此 更力。方便实现。
实施例三
本实施例中首先提供了一种栅线断路检测方法； 如图 4中所示， 在阵列 基板上设置有多行栅线 2， 各栅线 2的两端分别连接至位于阵列基板两侧的 第一检测线 11 以及第二检测线 12， 形成短路结构； 本实施例中的栅线断路 检测方法主要包括步骤：
步骤 1 : 在待检测栅线的两端分别设置用于接收信号的信号接收单元； 即在待检测栅线的一端设置第三信号接收单元 53，在待检测栅线的另一端设 置第四信号接收单元 54;
步骤 2: 在位于待检测栅线两端的信号接收单元之间设置至少能够发射 信号的第二单元； 例如， 第二单元可以是用于发射信号的信号发射单元 61， 也可以是信号发射 /接收单元等； 在同一条栅线上， 将信号发射单元 61设置 在中部， 可以使设置待检测栅线两端的信号接收单元接收到的信号强度更加 相似， 因此，本实施例中还进一步的将信号发射单元 61设置在其所在栅线的 中部。
本实施例中， 步骤 2之后还包括：
步骤 3: 判断两个所述信号接收单元是否均接收到信号：
若否， 则判断待检测栅线出现断路。
例如，如图 4中所示，信号发射单元 61发射的测试信号分别传递到位于 待检测栅线两端的第三信号接收单元 53和第四信号接收单元 54; 如果待检 测栅线不存在断路， 则第三信号接收单元 53和第四信号接收单元 54均接收 到信号，且由于信号发射单元 61设置在待检测栅线的中部，第三信号接收单 元 53和第四信号接收单元 54接收到的信号强度值大致相等； 因此， 当有信 号接收单元没有接收到信号或者一种一个信号接收单元接收到的信号强度过 小时， 即可判断待检测栅线出现断路。
在本实施例中， 以各栅线 2的两端分别连接至位于阵列基板两侧的第一 检测线 11以及第二检测线 12为例进行了描述。 然而， 由于本实施例中的第 三信号接收单元 53、第四信号接收单元 54和信号发射单元 61均设置在同一 条栅线上， 因此， 可以不需要第一检测线和第二检测线来完成检测。
本实施例中还提供了一种实现上述栅线断路检测方法的栅线断路检测设 备； 如图 4中所示， 该栅线断路检测设备包括一个两个信号接收单元一个信 号发射单元 61 ; 其中， 第三信号接收单元 53设置在待检测栅线的一端， 第 四信号接收单元 54设置在待检测栅线的另一端， 信号发射单元 61布置在待 检测栅线中部； 当然， 如上述栅线断路检测方法中描述， 也可以是设置在待 检测栅线的其他位置。
进一步的， 本实施例中的栅线断路检测设备还包括判断单元； 判断单元 用于判断两个所述信号接收单元是否均接收到信号： 若否， 则判断待检测栅 线出现断路。
相比于实施例一和实施例二中所提供的栅线断路检测方法及检测设备， 况下即可实现栅线断路检测， 而且检测方法更加简单， 因此方便实现且更加 实用。
以上所述仅是本发明的示范性实施方式， 而非用于限制本发明的保护范 围， 本发明的保护范围由所附的权利要求确定。
本申请要求于 2013年 9月 29日递交的中国专利申请第 201310454960.0 号的优先权， 在此全文引用上述中国专利申请公开的内容以作为本申请的一 部分。

Claims

权利要求书
1、一种用于检测栅线断路的方法； 所述栅线的两端分别连接至第一检测 线和第二检测线， 所述栅线有多行； 该方法包括：
步骤 1 : 在待检测栅线的一端设置至少能够接收信号的第一单元， 另一 端设置至少能够发射信号的第二单元；
步骤 2: 在待检测栅线之外的栅线上设置用于接收信号的第一信号接收 单元。
2、 根据权利要求 1所述的栅线断路检测方法， 其中， 所述步骤 2包括： 在与待检测栅线相邻的栅线上设置第一信号接收单元。
3、 根据权利要求 1所述的栅线断路检测方法， 其中， 所述步骤 2包括： 在位于待检测栅线一侧、 与待检测栅线相邻的一行栅线上以及位于待检 测栅线另一侧、与待检测栅线相邻的一行栅线上分别设置第一信号接收单元。
4、根据权利要求 1所述的栅线断路检测方法， 其中， 所述第一信号接收 单元位于其所在栅线的中部。
5、 根据权利要求 1-4任意一项所述的栅线断路检测方法， 其中， 所述第 一单元和第二单元中至少一个为信号发射 /接收单元；
或者， 所述第一单元为第二信号接收单元， 所述第二单元为信号发射单 元。
6、 根据权利要求 1-5任意一项所述的栅线断路检测方法， 其中， 所述步 骤 2之后还包括：
步骤 3: 判断所述第一信号接收单元接收的信号强度是否等于或大于预 设值： 若是， 则判断待检测栅线出现断路，
其中， 所述预设值是针对多条出现断路的栅线进行检测得到的第一信号 单元接收的信号强度值的最小值。
7、 一种实现根据权利要求 1-6任意一项所述的方法的栅线断路检测设 备， 包括至少能够接收信号的第一单元、 至少能够发射信号的第二单元以及 第一信号接收单元；
所述第一单元布置在待检测栅线的一端， 所述第二单元布置在待检测栅 线的另一端； 所述第一信号接收单元布置在待检测栅线之外的栅线上。
8、根据权利要求 7所述的栅线断路检测设备， 其中， 所述第一信号接收 单元的数量为一个； 所述第一信号接收单元布置在与待检测栅线相邻的一行 栅线上。
9、根据权利要求 7所述的栅线断路检测设备， 其中， 所述第一信号接收 单元的数量为两个； 两个所述第一信号接收单元分别布置在位于待检测栅线 每一侧、 与待检测栅线相邻的一行栅线上。
10、 根据权利要求 8-9任意一项所述的栅线断路检测设备， 还包括判断 单元； 所述判断单元用于判断所述第一信号接收单元接收的信号强度是否等 于或大于预设值： 若是， 则判断待检测栅线出现断路，
其中， 所述预设值是针对多条出现断路的栅线进行检测得到的第一信号 单元接收的信号强度值的最小值。
11、 一种用于检测栅线断路的方法， 所述栅线有多行， 其中， 该方法包 括：
步骤 1 : 在待检测栅线的两端分别设置用于接收信号的信号接收单元； 步骤 2: 在位于待检测栅线两端的信号接收单元之间设置至少能够发射 信号的第二单元。
12、根据权利要求 11所述的栅线断路检测方法， 其中， 所述第二单元设 置在待检测栅线的中部。
13、根据权利要求 11所述的栅线断路检测方法， 其中， 所述步骤 2之后 还包括：
步骤 3: 判断两个所述信号接收单元是否均接收到信号：
若否， 则判断待检测栅线出现断路。
14、 根据权利要求 12或 13所述的栅线断路检测方法， 其中， 所述第二 单元为用于发射信号的信号发射单元。
15、 一种实现根据权利要求 12-14任意一项所述的方法的栅线断路检测 设备， 包括至少能够发射信号的第二单元以及两个信号接收单元；
两个所述信号接收单元分别布置在待检测栅线的两端；
所述第二单元布置在待检测栅线两端的信号接收单元之间。
16、根据权利要求 15所述的栅线断路检测设备，还包括判断单元； 所述 判断单元用于判断两个所述信号接收单元是否均接收到信号： 若否， 则判断 待检测栅线出现断路。
PCT/CN2014/083078 2013-09-29 2014-07-25 栅线断路检测方法及检测设备 WO2015043306A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/422,907 US9576514B2 (en) 2013-09-29 2014-07-25 Method for detecting disconnection of gate line and detection apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310454960.0A CN103499892B (zh) 2013-09-29 2013-09-29 栅线通断检测方法及检测设备
CN201310454960.0 2013-09-29

Publications (1)

Publication Number Publication Date
WO2015043306A1 true WO2015043306A1 (zh) 2015-04-02

Family

ID=49865114

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/083078 WO2015043306A1 (zh) 2013-09-29 2014-07-25 栅线断路检测方法及检测设备

Country Status (3)

Country Link
US (1) US9576514B2 (zh)
CN (1) CN103499892B (zh)
WO (1) WO2015043306A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107993690A (zh) * 2017-11-23 2018-05-04 长江存储科技有限责任公司 栅极线短接位置检测方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103499892B (zh) * 2013-09-29 2016-02-24 京东方科技集团股份有限公司 栅线通断检测方法及检测设备
CN103852922B (zh) * 2014-02-21 2016-07-06 合肥鑫晟光电科技有限公司 一种阵列基板检测方法及检测装置
CN104299547B (zh) * 2014-09-26 2017-06-23 京东方科技集团股份有限公司 一种测试电路、显示装置以及驱动电路的测试方法
CN104965321B (zh) * 2015-07-01 2018-11-23 深圳市华星光电技术有限公司 显示面板检测系统及检测方法
CN107463041B (zh) * 2017-08-31 2020-05-19 深圳市华星光电技术有限公司 阵列基板的外围电路结构
CN107678219A (zh) * 2017-10-23 2018-02-09 深圳市华星光电技术有限公司 液晶显示母板
CN212410823U (zh) * 2020-05-07 2021-01-26 博硕科技(江西)有限公司 一种电源线测试设备

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070138417A1 (en) * 2005-12-19 2007-06-21 Fujitsu Limited Optical submarine transmission system
CN1996032A (zh) * 2006-01-06 2007-07-11 Nec液晶技术株式会社 布线不良检查方法以及布线不良检查装置
CN101750568A (zh) * 2009-12-30 2010-06-23 上海维宏电子科技有限公司 通用的电缆线测试方法
CN201740837U (zh) * 2010-06-25 2011-02-09 广州励丰声光科技有限公司 多功能导线检测仪
CN102213739A (zh) * 2010-04-09 2011-10-12 上海天马微电子有限公司 线路检测结构和线路检测方法
CN102723311A (zh) * 2012-06-29 2012-10-10 京东方科技集团股份有限公司 阵列基板制作方法
CN103325327A (zh) * 2013-06-20 2013-09-25 深圳市华星光电技术有限公司 一种显示面板、显示面板的检测线路及其检测方法
CN103499892A (zh) * 2013-09-29 2014-01-08 京东方科技集团股份有限公司 栅线通断检测方法及检测设备
CN103852922A (zh) * 2014-02-21 2014-06-11 合肥鑫晟光电科技有限公司 一种阵列基板检测方法及检测装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6734925B1 (en) * 1998-12-07 2004-05-11 Samsung Electronics Co., Ltd. Multiple testing bars for testing liquid crystal display and method thereof
KR100630005B1 (ko) 2004-05-18 2006-09-27 엘지전자 주식회사 비파괴 검사 장치 및 검사 방법
CN102289119B (zh) * 2011-07-01 2014-02-05 深圳市华星光电技术有限公司 液晶显示器及修复断线的方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070138417A1 (en) * 2005-12-19 2007-06-21 Fujitsu Limited Optical submarine transmission system
CN1996032A (zh) * 2006-01-06 2007-07-11 Nec液晶技术株式会社 布线不良检查方法以及布线不良检查装置
CN101750568A (zh) * 2009-12-30 2010-06-23 上海维宏电子科技有限公司 通用的电缆线测试方法
CN102213739A (zh) * 2010-04-09 2011-10-12 上海天马微电子有限公司 线路检测结构和线路检测方法
CN201740837U (zh) * 2010-06-25 2011-02-09 广州励丰声光科技有限公司 多功能导线检测仪
CN102723311A (zh) * 2012-06-29 2012-10-10 京东方科技集团股份有限公司 阵列基板制作方法
CN103325327A (zh) * 2013-06-20 2013-09-25 深圳市华星光电技术有限公司 一种显示面板、显示面板的检测线路及其检测方法
CN103499892A (zh) * 2013-09-29 2014-01-08 京东方科技集团股份有限公司 栅线通断检测方法及检测设备
CN103852922A (zh) * 2014-02-21 2014-06-11 合肥鑫晟光电科技有限公司 一种阵列基板检测方法及检测装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107993690A (zh) * 2017-11-23 2018-05-04 长江存储科技有限责任公司 栅极线短接位置检测方法
CN107993690B (zh) * 2017-11-23 2021-07-20 长江存储科技有限责任公司 栅极线短接位置检测方法

Also Published As

Publication number Publication date
CN103499892A (zh) 2014-01-08
US20160049104A1 (en) 2016-02-18
US9576514B2 (en) 2017-02-21
CN103499892B (zh) 2016-02-24

Similar Documents

Publication Publication Date Title
WO2015043306A1 (zh) 栅线断路检测方法及检测设备
WO2017000390A1 (zh) 显示面板检测系统及检测方法
US10416483B2 (en) Test circuit for display panel and display device
US9778787B2 (en) Touch display device
US7429970B2 (en) Method for testing drive circuit, testing device and display device
US10535285B2 (en) GOA display panel and GOA display apparatus
US9514665B2 (en) Testing device, and testing method for the line and one sheet using the testing device
US9691670B2 (en) Manufacturing method of array substrate
JP2006013444A (ja) 薄膜トランジスタアレイ基板とこれを用いた表示装置およびその製造方法
WO2015196522A1 (zh) 一种面板检测电路及显示面板
CN105609025A (zh) 显示面板检测结构
US20150102302A1 (en) Organic light emitting diode display and repairing method thereof
WO2013177830A1 (zh) 液晶显示面板的检测方法及检测系统
CN102831852B (zh) 一种tft-lcd阵列基板及其测试方法
WO2017041445A1 (zh) 修复电路、显示基板以及相应的显示面板和修复方法
WO2018119650A1 (zh) 像素电路驱动方法、像素电路组及有机发光显示设备
WO2015058517A1 (zh) 显示面板及其检测方法
CN107463041B (zh) 阵列基板的外围电路结构
CN103852922B (zh) 一种阵列基板检测方法及检测装置
WO2015032106A1 (zh) 点灯测试治具以及液晶面板测试方法
KR102103840B1 (ko) 프로브 자동접촉검사가 가능한 유기전계발광 표시소자의 검사장치시스템 및 방법
TWI553602B (zh) 顯示面板、檢測電路與其檢測方法
CN108335658B (zh) 显示面板和显示测试装置
WO2019085101A1 (zh) 电气特性测试方法
CN102297656A (zh) 利用菲林底片与投影仪比对产品快速检验产品对称度的方法

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 14422907

Country of ref document: US

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

Ref document number: 14848731

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 18.08.2016)

122 Ep: pct application non-entry in european phase

Ref document number: 14848731

Country of ref document: EP

Kind code of ref document: A1