CN104503118B - Panel lead wire detection device and detection method - Google Patents
Panel lead wire detection device and detection method Download PDFInfo
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- CN104503118B CN104503118B CN201510033280.0A CN201510033280A CN104503118B CN 104503118 B CN104503118 B CN 104503118B CN 201510033280 A CN201510033280 A CN 201510033280A CN 104503118 B CN104503118 B CN 104503118B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136259—Repairing; Defects
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136254—Checking; Testing
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136259—Repairing; Defects
- G02F1/136263—Line defects
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Abstract
The invention discloses a panel lead wire detection device and a panel lead wire detection method. The panel lead wire detection device and the panel lead wire detection method are used to achieve automatic line tracking when used to detect lead wires, improve detection efficiency of the lead wires, and reduce detection error of the lead wires. The panel lead wire detection device comprises a detection lens used to detect the appearance of each lead wire to be detected in a panel lead wire area, a light emitting device used to emit detection light which irradiates the lead wires to be detected, a light reception device used to collect test light rays of the detection light after being processed by the lead wires to be detected and to test the intensity value of the test light rays and a moving controller, wherein the light reception device compares the intensity value of the test light rays with initial intensity value which is preset, if the intensity value of the test light rays is not equal to the initial intensity value, the light reception device confirms that the lead wires to be detected are abnormal, and if not, the light reception device confirms that the lead wires to be detected are normal, and the moving controller is used to receive a control signal so as to control the detection lens to move for one step according to a preset moving direction and the preset moving step length if the light reception device confirms that the lead wires are normal, or control the detection lens to not move if the light reception device confirms that the lead wires are abnormal.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of panel lead detection means and detection method.
Background technology
Thin Film Transistor-LCD (Thin Film Transistor Liquid Crystal Display,
In the design of each panel (Panel) TFT-LCD), each pixel in Panel is driven by the way of line scanning
It is dynamic.The TFT thin film transistor (TFT)s of same row/column are driven by same grid (Gate)/data (Date) line, and Gate/Date lines are handed over
Mutual conductance relieving constipation energy precise control each pixel.The holding wire of each row/column is drawn to Panel edges, just defines panel and draws
Line area, as shown in figure 1, the lead composition Date lead district 13 of Date lines 10, the lead composition Gate lead district 14 of Gate lines 11,
Panel lead district includes Date lead district 13 and Gate lead district 14；Intersection region between Date lines 10 and Gate lines 11 is
Pixel region 12, the lead in Date lead district 13 and Gate lead district 14 are densely arranged, finally the drive circuit phase with Panel
Even.
In actual production process, the lead in panel lead district occurs exception unavoidably, such as：Lead between adjacent legs
It is logical, or lead disconnection.When the lead in panel lead district occurs abnormal, it will cause the pixel of a certain row/column in Panel
Can not normally show, Panel qualities can be had significant effect.
In order to improve Panel qualities, prior art is typically by the moveable microscopic examination panel lead district of camera lens
Lead, need artificially to move microscopical camera lens manually, and people is needed during movement in concrete detection process
It is abnormal with the presence or absence of open circuit, short circuit or foreign body etc. to observe the lead in panel lead district.
In sum, in the bad detection of lead and repair process in prior art panel lead district, due to detection
Manual line walking is needed during lead in panel lead district, therefore detection efficiency is relatively low, and the error for detecting is larger, and then to Panel
Quality has significant effect.
The content of the invention
A kind of panel lead detection means and detection method are embodiments provided, to realize when lead is detected
Automatic running on transmisson line, improves lead detection efficiency, reduces lead detection error.
A kind of panel lead detection means provided in an embodiment of the present invention, described device include：
Detector lens, the outward appearance for each lead to be detected in counter plate lead district are detected；
Light emitting devices, for when detector lens are moved, sending the detection light for irradiating lead to be detected, the detection light
Spot diameter pre-set so that only wrap in the lead to be detected that orthographic projection of the hot spot in panel lead district is covered
Include a lead to be detected；
Optical pickup apparatus, for collecting test light of the detection light after lead to be detected effect, test is described
The intensity level of test light, the intensity level of test light is compared with the initial intensity value for pre-setting, if test light
Intensity level it is unequal with the initial intensity value, determine that the lead to be detected in panel lead district is present abnormal, otherwise, it determines
Lead to be detected in panel lead district is normal；
Mobile controller, for when it is determined that the lead to be detected in panel lead district is normal, receiving control signal control
The detector lens move a step-length according to moving direction set in advance and moving step length, otherwise, control the detection mirror
Head is not moved.
By panel lead detection means provided in an embodiment of the present invention, as the detection means includes that detector lens, light are sent out
Injection device, optical pickup apparatus and mobile controller, optical pickup apparatus are treated for collecting the detection light process that light emitting devices send
Test light after detection lead effect, tests the intensity level of the test light, will test the intensity level of light and set in advance
The initial intensity value of the test light put is compared, if the intensity level of test light is unequal with the initial intensity value, really
There is exception in the lead to be detected determined in panel lead district, otherwise, it determines the lead in panel lead district is normal；Mobile control
Device, for when it is determined that the lead in panel lead district is normal, receives control signal and controls the detector lens according to setting in advance
Fixed moving direction and moving step length move a step-length, otherwise, control the detector lens and do not move, therefore, the present invention is real
Apply detection means in example compared with prior art, can realize automatically moving, improve lead detection efficiency, reduce lead
Detection error.
It is preferred that the detector lens are micro- lens head.
So, it is when detector lens are set to micro- lens head, simpler during actually detected, convenient.
It is preferred that the light emitting devices are infrared transmitting device, or, the light emitting devices are filled for Laser emission
Put.
So, light emitting devices can both be infrared transmitting device, or laser beam emitting device, in actual selection
Shi Gengjia is flexible.
It is preferred that the light emitting devices are located at the not homonymy of panel to be detected with the optical pickup apparatus, or, the light
Discharger is located at the same side of panel to be detected with the optical pickup apparatus.
As such, it is possible to improve the motility that light emitting devices are arranged with optical pickup apparatus.
It is preferred that when the light emitting devices are located at the not homonymy of panel to be detected with the optical pickup apparatus, hot spot
Diameter d meet：L0<d<L1, wherein：L0 is the width of lead to be detected, L1 be between adjacent two leads to be detected away from
From.
So, if light emitting devices are located at the not homonymy of panel to be detected with optical pickup apparatus, when the diameter d of hot spot expires
Foot：L0<d<During L1, detection means can preferably collect test light.
It is preferred that when the light emitting devices are located at the same side of panel to be detected with the optical pickup apparatus, hot spot
Diameter d meet：D=L0, wherein：L0 is the width of lead to be detected.
So, if light emitting devices are located at the same side of panel to be detected with optical pickup apparatus, when the diameter d of hot spot expires
Foot：During d=L0, detection means can preferably collect test light.
The embodiment of the present invention additionally provides a kind of method of detection panel lead, and methods described includes：
Detection means one according to moving direction set in advance and moving step length in panel lead district is to be detected to draw
In line, a mobile step-length, sends detection light in moving process；The spot diameter of the detection light pre-sets so that
Only include a lead to be detected in the lead to be detected that orthographic projection of the hot spot in panel lead district is covered；
Detection means collects test light of the detection light after lead to be detected effect；
The intensity level of the detection means test test light, the intensity level of test light is pre-set with detection means
Initial intensity value be compared, if test light intensity level it is unequal with the initial intensity value, detection means determines face
Lead to be detected in plate lead district exists abnormal, and detection means stops movement, and otherwise, detection means continues according to presetting
A moving direction and moving step length mobile step-length on lead to be detected.
It is preferred that test light of the detection light after lead to be detected effect is：Detection light is drawn through to be detected
Transmitted ray after line transmission；Or, reflection light of the detection light after lead to be detected reflection.
So, detection means can collect transmitted ray, can collect reflection light again, more convenient and flexible in detection.
It is preferred that when the test light is transmitted ray of the detection light after lead to be detected transmission, the inspection
Survey device and determine that the lead to be detected in panel lead district has exception, including：
When the intensity level for testing light is more than the initial intensity value, during the detection means determines panel lead district
Lead to be detected is open circuit；
When the intensity level for testing light is less than the initial intensity value, during the detection means determines panel lead district
Lead to be detected is short circuit or foreign body.
So, type when can directly judge that lead to be detected occurs abnormal by this method.
It is preferred that when the test light is reflection light of the detection light after lead to be detected reflection, the inspection
Survey device and determine that the lead to be detected in panel lead district has exception, including：
When the intensity level for testing light is more than the initial intensity value, during the detection means determines panel lead district
Lead to be detected is short circuit or foreign body；
When the intensity level for testing light is less than the initial intensity value, during the detection means determines panel lead district
Lead to be detected is open circuit.
So, type when can directly judge that lead to be detected occurs abnormal by this method.
It is preferred that methods described also includes, when it is determined that the lead in panel lead district has abnormal, alarm letter is sent
Number.
So, user can more directly perceived, easily know that exception occurs in lead to be detected.
Description of the drawings
Fig. 1 is in gate line, data wire and panel lead district in prior art TFT display panels
The planar structure schematic diagram of lead distribution；
Fig. 2 is a kind of panel lead structure of the detecting device schematic diagram provided in an embodiment of the present invention；
Fig. 3 (a) and Fig. 3 (b) is respectively the light emitting devices in the embodiment of the present invention with optical pickup apparatus and panel lead
The position relationship schematic diagram of the lead to be detected in area；
Fig. 4 is a kind of panel lead detection method flow chart provided in an embodiment of the present invention；
Fig. 5 is structural representation when a kind of panel lead that the embodiment of the present invention one is provided is detected；
Fig. 6 is structural representation when a kind of panel lead that the embodiment of the present invention two is provided is detected.
Specific embodiment
A kind of panel lead detection means and detection method are embodiments provided, to realize when lead is detected
Automatic running on transmisson line, improves lead detection efficiency, reduces lead detection error.
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step ground is described in detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than the enforcement of whole
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
The panel lead detection means and detection method of specific embodiment of the invention offer are provided below in conjunction with the accompanying drawings.
As shown in Fig. 2 the specific embodiment of the invention provides a kind of panel lead detection means, described device includes：
Detector lens 20, the outward appearance for each lead to be detected in counter plate lead district are detected；
Light emitting devices 21, for when detector lens are moved, sending the detection light for irradiating lead to be detected, the detection
The spot diameter of light pre-sets so that in the lead to be detected that orthographic projection of the hot spot in panel lead district is covered only
Including a lead to be detected；
Optical pickup apparatus 22, for collecting test light of the detection light after lead to be detected effect, test institute
The intensity level of test light is stated, the intensity level of test light is compared with the initial intensity value for pre-setting, if test light
The intensity level of line is unequal with the initial intensity value, determines that the lead to be detected in panel lead district has exception, otherwise, really
The lead to be detected determined in panel lead district is normal；
Mobile controller 23, for, when it is determined that the lead to be detected in panel lead district is normal, receiving control signal control
Make the detector lens and a step-length is moved according to moving direction set in advance and moving step length, otherwise, control the detection
Camera lens is not moved.
Preferably, the detector lens in the specific embodiment of the invention are micro- lens head, when detector lens are microscope mirror
During head, the exterior appearance of each lead to be detected that conveniently can be observed in panel lead district during actually detected.
Specifically, the micro- lens head in the specific embodiment of the invention is different from micro- lens head of the prior art, existing
The movement of the micro- lens head having in technology needs manual control, i.e., micro- lens head of the prior art can not be automatically moved.
And the micro- lens head in the specific embodiment of the invention can then be realized automatically moving.It is when being embodied as, aobvious by pre-setting
The parameters such as micro mirror camera lens moving direction, moving step length and translational speed, in detection process, it is aobvious that mobile controller receives control
The control signal of micro mirror camera lens moving direction, moving step length and translational speed, controls the movement of micro- lens head, i.e. the present invention
When lead to be detected is detected, micro- lens head can realize automatic running on transmisson line to specific embodiment.In the specific implementation, present invention tool
Mobile controller in body embodiment can control microscope camera lens and lock lead to be detected according to the control signal for receiving
Initial position, it is also possible to control micro- lens head after a lead to be detected has been detected, then another of automatic detection is to be checked
Survey lead.
Preferably, the light emitting devices in the specific embodiment of the invention are infrared transmitting device, or light emitting devices are
Laser beam emitting device.The hot spot of the light that the light emitting devices in the specific embodiment of the invention send it is generally circular in shape.
Light emitting devices 21 in the specific embodiment of the invention are located at the different of panel to be detected 30 from optical pickup apparatus 22
Shown in side, such as Fig. 3 (a), or the light emitting devices 21 in the specific embodiment of the invention are located at face to be detected with optical pickup apparatus 22
Shown in the same side of plate 30, such as Fig. 3 (b).Light emitting devices 21 shown in Fig. 3 (a) and Fig. 3 (b) are with optical pickup apparatus 22 not
Actual light emitting devices 21 and the actual size and shape of optical pickup apparatus 22 are represented, is intended merely to illustrate light emission dress
21 are put with optical pickup apparatus 22 and the position relationship of panel to be detected 30.
Specifically, the light emitting devices 21 in the specific embodiment of the invention are located at panel to be detected 30 with optical pickup apparatus 22
Not homonymy when, as the material of the lead to be detected 31 of 30 lead district of panel to be detected is generally metal material, such as：It is to be detected
Lead 31 is metal molybdenum (Mo), metallic aluminium (Al) etc., as metal material can be good at reflected illumination to light thereon, but
It is that the light being irradiated to thereon can not be passed through, therefore, when light emitting devices 21 are located at panel to be detected 30 with optical pickup apparatus 22
Not homonymy when, optical pickup apparatus 22 collected test light be through lead to be detected transmission after transmitted ray.In reality
In the detection process of border, if the hot spot of detection light that light emitting devices send is less, orthographic projection of the hot spot in panel lead district
When in a lead to be detected 31, optical pickup apparatus 22 will be unable to collect detection light after the transmission of lead to be detected 31
Transmitted ray, therefore, in this case, it is desirable to which the hot spot of the detection light that light emitting devices 21 send is larger, in actual inspection
During survey, in order to accurately detect the situation of each lead to be detected 31, the hot spot of the detection light that light emitting devices send
Only include a lead to be detected in the lead to be detected that orthographic projection in panel lead district is covered.Preferably, present invention tool
In body embodiment, the diameter d of the hot spot of the detection light that light emitting devices send meets：L0<d<L1, wherein：L0 is lead to be detected
31 width, L1 are the distance between adjacent two leads to be detected 31.
Specifically, the light emitting devices 21 in the specific embodiment of the invention are located at panel to be detected 30 with optical pickup apparatus 22
The same side when, as lead to be detected 31 can be good at reflected illumination to light thereon, now, optical pickup apparatus 22 are searched
The test light for collecting is the reflection light after lead to be detected reflection.Preferably, in the specific embodiment of the invention, light is sent out
The diameter d of the hot spot of the detection light that injection device sends meets：D=L0, wherein：L0 is the width of lead to be detected, so, to be checked
Survey lead and can preferably reflect detection light, optical pickup apparatus 22 can preferably collect the reflection Jing after lead to be detected reflection
Light.
As shown in figure 4, the specific embodiment of the invention provides a kind of panel lead detection method, methods described includes：
S401, detection means one according to moving direction set in advance and moving step length in panel lead district is to be checked
A mobile step-length in lead is surveyed, detection light is sent in moving process；The spot diameter of the detection light pre-sets,
So that only including a lead to be detected in the lead to be detected of orthographic projection covering of the hot spot in panel lead district；
S402, detection means collect test light of the detection light after lead to be detected effect；
The intensity level of S403, the detection means test test light, will be the intensity level of test light pre- with detection means
The initial intensity value for first arranging is compared, if the intensity level of test light is unequal with the initial intensity value, detection means
Determine that the lead to be detected in panel lead district has abnormal, detection means stopping movement, otherwise, detection means continues according to pre-
The moving direction for first setting an and moving step length mobile step-length on lead to be detected.
Preferably, survey of the detection light that detection means sends in the specific embodiment of the invention after lead to be detected effect
Trying light is：Transmitted ray of the detection light after lead to be detected transmission；Or, detection light is after lead to be detected reflection
Reflection light.
Below in conjunction with the accompanying drawings 5 and accompanying drawing 6 be discussed in detail the specific embodiment of the invention offer panel lead detection method.
Embodiment one：
The test light that detection means in the specific embodiment of the invention was collected is that detection light is saturating through lead to be detected
Transmitted ray after penetrating.It is different that detection means in the specific embodiment of the invention determines that the lead to be detected in panel lead district is present
Often include：Lead to be detected is breaking, there is foreign body on lead short circuit to be detected and lead to be detected.
During to be detected lead of the detection means in the specific embodiment of the invention in detection panel lead district, it is necessary first to
Some parameters of initial setting up in detection means, such as position of the detection means in the specific embodiment of the invention according to lead to be detected
The parameters such as coordinate, the shape of lead to be detected, the length of lead to be detected are put, the moving direction of detection means is pre-set, is moved
The parameter such as dynamic step-length and translational speed.
As shown in figure 5, the specific embodiment of the invention is when being detected, detection means locks lead to be detected 31 first
Initial position；Then detection means moves a step-length along the moving direction and moving step length for pre-setting, in moving process
In send detection light, a diameter of of the hot spot 50 of the detection light pre-sets, it is preferable that the diameter of the hot spot 50 of the detection light
D meets：L0<d<L1；Detection means collects transmitted ray of the detection light after the transmission of lead to be detected 31, and it is saturating to test this
The intensity level of light is penetrated, the intensity level of the transmitted ray that test is obtained is used as initial intensity value.
Then, according to moving direction set in advance and moving step length, to be detected in panel lead district draws detection means
Move a step-length on line again, detection light is sent in moving process, detection means collects the detection light through lead to be detected
Transmitted ray after transmission, detection means test the intensity level of the transmitted ray, by the intensity level and initial strength of transmitted ray
Value is compared, and when the intensity level of transmitted ray is more than initial intensity value, detection means determines to be checked in panel lead district
Lead is surveyed for open circuit；When the intensity level of transmitted ray is less than initial intensity value, detection means determines treating in panel lead district
Detection lead is short circuit or foreign body, and the lead to be detected in detection means determines panel lead district exists breaking, short-circuit or different
During thing, detection means stops movement, and sends warning signal.Otherwise, when the intensity level of transmitted ray is equal to initial intensity value,
Detection means continues a mobile step-length on lead to be detected according to moving direction set in advance and moving step length.It is so anti-
Detected again, the lead all to be detected in having detected panel lead district.
Embodiment two：
The test light that detection means in the specific embodiment of the invention was collected is that detection light is anti-through lead to be detected
Reflection light after penetrating.
As shown in fig. 6, the specific embodiment of the invention is when being detected, detection means locks lead to be detected 31 first
Initial position；Then detection means moves a step-length along the moving direction and moving step length for pre-setting, in moving process
In send detection light, a diameter of of the hot spot 60 of the detection light pre-sets, it is preferable that the diameter of the hot spot 60 of the detection light
D meets：D=L0；Detection means collects reflection light of the detection light after the reflection of lead to be detected 31, and tests the reflection
The intensity level of light, the intensity level of the reflection light that test is obtained is used as initial intensity value.
Then, according to moving direction set in advance and moving step length, to be detected in panel lead district draws detection means
Move a step-length on line again, detection light is sent in moving process, detection means collects the detection light through lead to be detected
Reflection light after reflection, detection means test the intensity level of the reflection light, by the intensity level and initial strength of reflection light
Value is compared, and when the intensity level of reflection light is more than initial intensity value, detection means determines to be checked in panel lead district
Lead is surveyed for short circuit or foreign body；When the intensity level of reflection light is less than initial intensity value, detection means determines panel lead district
In lead to be detected for open circuit, the lead to be detected in detection means determines panel lead district exists breaking, short-circuit or different
During thing, detection means stops movement, and sends warning signal.Otherwise, when the intensity level of reflection light is equal to initial intensity value,
Detection means continues a mobile step-length on lead to be detected according to moving direction set in advance and moving step length.It is so anti-
Detected again, the lead all to be detected in having detected panel lead district.
In sum, the specific embodiment of the invention provide a kind of panel lead detection means and detection method, by
Original camera lens it is moveable it is microscopical on the basis of, increase light emitting devices and optical pickup apparatus, and pass through mobile controller
The movement of Based Intelligent Control detector lens, can determine rapidly the position of the open circuit of TFT-LCD panels lead, short circuit and foreign body, so as to solve
In detection and repair process, manual line walking efficiency is low when TFT-LCD panels lead is abnormal for prior art of having determined, and error is big to be lacked
Point.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (11)
1. a kind of panel lead detection means, it is characterised in that described device includes：
Detector lens, the outward appearance for each lead to be detected in counter plate lead district are detected；
Light emitting devices, for when detector lens are moved, sending the detection light for irradiating lead to be detected, the light of the detection light
Spot diameter pre-sets so that only include one in the lead to be detected that orthographic projection of the hot spot in panel lead district is covered
Bar lead to be detected；
Optical pickup apparatus, for collecting test light of the detection light after lead to be detected effect, test the test
The intensity level of light, the intensity level of test light is compared with the initial intensity value for pre-setting, if test light is strong
Angle value is unequal with the initial intensity value, determines that the lead to be detected in panel lead district has exception, otherwise, it determines panel
Lead to be detected in lead district is normal；
Mobile controller, it is described for when it is determined that the lead to be detected in panel lead district is normal, receiving control signal control
Detector lens move a step-length according to moving direction set in advance and moving step length, otherwise, control the detector lens not
It is mobile.
2. detection means according to claim 1, it is characterised in that the detector lens are micro- lens head.
3. detection means according to claim 1, it is characterised in that the light emitting devices are infrared transmitting device,
Or, the light emitting devices are laser beam emitting device.
4. detection means according to claim 1, it is characterised in that the light emitting devices and the optical pickup apparatus position
In the not homonymy of panel to be detected, or, the light emitting devices are located at the same side of panel to be detected with the optical pickup apparatus.
5. detection means according to claim 4, it is characterised in that when the light emitting devices and the optical pickup apparatus
Positioned at the not homonymy of panel to be detected when, the diameter d of hot spot meets：L0<d<L1, wherein：L0 is the width of lead to be detected, L1
For the distance between adjacent two leads to be detected.
6. detection means according to claim 4, it is characterised in that when the light emitting devices and the optical pickup apparatus
Positioned at the same side of panel to be detected when, the diameter d of hot spot meets：D=L0, wherein：L0 is the width of lead to be detected.
7. a kind of method of the detection means detection panel lead as described in the arbitrary claim of claim 1-6, it is characterised in that institute
The method of stating includes：
In a lead to be detected of the detection means according to moving direction set in advance and moving step length in panel lead district
A mobile step-length, sends detection light in moving process；The spot diameter of the detection light pre-sets so that the light
Only include a lead to be detected in the lead to be detected that orthographic projection of the speckle in panel lead district is covered；
Detection means collects test light of the detection light after lead to be detected effect；
The intensity level of the detection means test test light, will be the intensity level for testing light first with what detection means pre-set
Beginning intensity level is compared, if the intensity level of test light is unequal with the initial intensity value, detection means determines that panel draws
There is abnormal, detection means stopping movement in the lead to be detected in line area, otherwise, detection means continues according to shifting set in advance
A dynamic direction and moving step length mobile step-length on lead to be detected.
8. the method for detection means detection panel lead according to claim 7, it is characterised in that the detection light is passed through
Test light after lead to be detected effect is：Transmitted ray of the detection light after lead to be detected transmission；Or, detection light Jing
The reflection light crossed after lead reflection to be detected.
9. the method for detection means detection panel lead according to claim 8, it is characterised in that when the test light
When being transmitted ray of the detection light after lead to be detected transmission, the detection means determines to be detected in panel lead district
There is exception in lead, including：
When the intensity level for testing light is more than the initial intensity value, the detection means determines to be checked in panel lead district
Lead is surveyed for open circuit；
When the intensity level for testing light is less than the initial intensity value, the detection means determines to be checked in panel lead district
Lead is surveyed for short circuit or foreign body.
10. the method for detection means detection panel lead according to claim 8, it is characterised in that when the test light
When line is reflection light of the detection light after lead to be detected reflection, the detection means determines to be checked in panel lead district
Survey lead and there is exception, including：
When the intensity level for testing light is more than the initial intensity value, the detection means determines to be checked in panel lead district
Lead is surveyed for short circuit or foreign body；
When the intensity level for testing light is less than the initial intensity value, the detection means determines to be checked in panel lead district
Lead is surveyed for open circuit.
The method of 11. detection means detection panel leads according to claim 7, it is characterised in that methods described is also wrapped
Include, when it is determined that the lead in panel lead district has abnormal, send warning signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033280.0A CN104503118B (en) | 2015-01-22 | 2015-01-22 | Panel lead wire detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033280.0A CN104503118B (en) | 2015-01-22 | 2015-01-22 | Panel lead wire detection device and detection method |
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| CN104503118A CN104503118A (en) | 2015-04-08 |
| CN104503118B true CN104503118B (en) | 2017-04-26 |
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| CN201510033280.0A Expired - Fee Related CN104503118B (en) | 2015-01-22 | 2015-01-22 | Panel lead wire detection device and detection method |
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| CN106773155B (en) * | 2016-11-18 | 2019-10-22 | 福州京东方光电科技有限公司 | A kind of membrane edge distance measurement method and measuring device |
| CN107238796A (en) * | 2017-06-06 | 2017-10-10 | 苏州胜科设备技术有限公司 | A kind of maintainability test equipment for wiring board |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017254A (en) * | 2006-02-09 | 2007-08-15 | 三菱电机株式会社 | Apparatus for measuring reflectance, method for measuring reflectance and method for manufacturing display panel |
| CN101466997A (en) * | 2006-06-12 | 2009-06-24 | 夏普株式会社 | Undulation inspecting device, undulation inspecting method, control program of undulation inspecting device, and recording medium |
| JP4720188B2 (en) * | 2005-01-18 | 2011-07-13 | セイコーエプソン株式会社 | Liquid crystal device and electronic device |
| CN102753960A (en) * | 2010-02-08 | 2012-10-24 | 住友化学株式会社 | Defect inspection method for LCD panel having laminated sheet polariser |
| WO2013105532A1 (en) * | 2012-01-11 | 2013-07-18 | 住友化学株式会社 | Inspection device and device for manufacturing laminate optical member |
-
2015
- 2015-01-22 CN CN201510033280.0A patent/CN104503118B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4720188B2 (en) * | 2005-01-18 | 2011-07-13 | セイコーエプソン株式会社 | Liquid crystal device and electronic device |
| CN101017254A (en) * | 2006-02-09 | 2007-08-15 | 三菱电机株式会社 | Apparatus for measuring reflectance, method for measuring reflectance and method for manufacturing display panel |
| CN101466997A (en) * | 2006-06-12 | 2009-06-24 | 夏普株式会社 | Undulation inspecting device, undulation inspecting method, control program of undulation inspecting device, and recording medium |
| CN102753960A (en) * | 2010-02-08 | 2012-10-24 | 住友化学株式会社 | Defect inspection method for LCD panel having laminated sheet polariser |
| WO2013105532A1 (en) * | 2012-01-11 | 2013-07-18 | 住友化学株式会社 | Inspection device and device for manufacturing laminate optical member |
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