CN109283714A - The detection method and detection device of bolster breakage in liquid crystal display panel crimping - Google Patents
The detection method and detection device of bolster breakage in liquid crystal display panel crimping Download PDFInfo
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- CN109283714A CN109283714A CN201811337575.7A CN201811337575A CN109283714A CN 109283714 A CN109283714 A CN 109283714A CN 201811337575 A CN201811337575 A CN 201811337575A CN 109283714 A CN109283714 A CN 109283714A
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- Prior art keywords
- bolster
- face
- light
- liquid crystal
- breakage
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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
Abstract
The present invention provides the detection method and detection device of bolster breakage in a kind of crimping of liquid crystal display panel, detection method includes the following steps: carrying out light-illuminating to the first face of bolster, and incude the light in the second face of bolster, first face and the second face are respectively two opposite faces of bolster, the light of induction is that after being radiated at the first face, the light in the second face is exposed to across the first face；When incuding the light in the second face of bolster, prompt is issued.The detection method and detection device of bolster breakage, can detect bolster breakage in time in liquid crystal display panel crimping provided by the invention.
Description
Technical field
Damaged the present invention relates to bolster in liquid crystal display panel manufacturing technology field more particularly to a kind of crimping of liquid crystal display panel
Detection method and detection device.
Background technique
Bonding processing procedure is liquid crystal display panel (Thin Film Transistor-Liquid CrystalDisplay, TFT-
LCD) the procedure in manufacture.In bonding processing procedure, certain pressure and temperature is needed to bind liquid crystal display panel and wiring board
Connection line.Specifically, printed wiring board (Printed wire board, PWB) is crimped with driving circuit (Drive IC), drive
Dynamic circuit (Drive IC) is crimped with liquid crystal display panel.
Currently, printed wiring board (Printed wire board, PWB) crimps process with driving circuit (Drive IC)
In and driving circuit (Drive IC) crimped with liquid crystal display panel during buffered using lighttight bolster, buffer
While part plays the role of protecting printed wiring board, driving circuit and liquid crystal display panel during crimping, also play uniformly
The effect of temperature and uniform pressure.
But during crimping, there is crack or is difficult to detect in time when having broken hole in bolster breakage.Damaged buffering
Part reduces the effect of bolster buffering, uniform temperature and uniform pressure, and it is bad to be easy to appear crimping.
Summary of the invention
The present invention provides the detection method and detection device of bolster breakage in a kind of crimping of liquid crystal display panel, can detect in time
Bolster breakage.
In a first aspect, the present invention provides the detection method of bolster breakage in a kind of crimping of liquid crystal display panel, for check bit
Lighttight bolster between the pressure head and liquid crystal display panel of crimping apparatus, described detection method includes the following steps:
Light-illuminating is carried out to the first face of the bolster, and incudes the light in the second face of the bolster, it is described
First face and second face are respectively two opposite faces of the bolster, and the light of induction is to be radiated at first face
Afterwards, the light in second face is exposed to across first face；
In the light in the second face for sensing the bolster, prompt is issued.
As a kind of optional mode, the detection method of bolster breakage, institute in liquid crystal display panel crimping provided by the invention
It states and light-illuminating is carried out to the first face of the bolster, specifically include: the first face using illuminating equipment to the bolster
Light-illuminating is carried out, the illuminating device includes LED light bar.
As a kind of optional mode, the detection method of bolster breakage, institute in liquid crystal display panel crimping provided by the invention
The light for incuding the second face of the bolster is stated, is specifically included: utilizing light described in light sensors sense.
As a kind of optional mode, the detection method of bolster breakage, institute in liquid crystal display panel crimping provided by the invention
The light for stating LED light bar sending has fixed wave length, and the sensor devices include wavelength sensor, and the wavelength sensor is for feeling
Answer the fixed wave length.
As a kind of optional mode, the detection method of bolster breakage, institute in liquid crystal display panel crimping provided by the invention
After stating sending prompt, further includes: stop the operation of crimping apparatus.
Second aspect, the present invention provides the detection device of bolster breakage in a kind of crimping of liquid crystal display panel, for check bit
Lighttight bolster between the pressure head and liquid crystal display panel of crimping apparatus, the detection device include:
Illuminating device, sensor devices, prompting device and controller；
The illuminating device is used to carry out light-illuminating to the first face of bolster；
The sensor devices are used to incude the light in the second face of the bolster, first face and second face point
Not Wei the bolster two opposite faces, the light of the light sensors sense is that the illuminating device is radiated at described first
Behind face, the light in second face is exposed to across first face；
The sensor devices and the prompting device are electrically connected with the controller, and the controller is used for described photosensitive
When device incudes the light in the second face of the bolster, controls the prompting device and issue prompt.
As a kind of optional mode, the detection device of bolster breakage, institute in liquid crystal display panel crimping provided by the invention
Stating illuminating device is LED light bar.
As a kind of optional mode, the detection device of bolster breakage, institute in liquid crystal display panel crimping provided by the invention
Stating sensor devices includes photosensitive sensor.
As a kind of optional mode, the detection device of bolster breakage, institute in liquid crystal display panel crimping provided by the invention
The light for stating LED light bar sending has fixed wave length, and the sensor devices include wavelength sensor, and the wavelength sensor is for feeling
Answer the fixed wave length.
As a kind of optional mode, the detection device of bolster breakage, institute in liquid crystal display panel crimping provided by the invention
It states illuminating device and the sensor devices and is at least arranged two, the quantity of the quantity of the illuminating device and the sensor devices
Identical, the illuminating device and the sensor devices are oppositely arranged, and the projection of the irradiated area of the illuminating device light is less than
Or the area in first face equal to the bolster, the projection of the irradiated area of the illuminating device light are greater than the pressure
Connect the area of the pressure head of equipment.
The detection method and detection device of bolster breakage, pass through illumination in a kind of liquid crystal display panel crimping provided by the invention
Device carries out light-illuminating, the light in the second face of light sensors sense bolster, sensor devices sense to the first face of bolster
The light answered is that after illuminating device is radiated at the first face, the light in the second face is exposed to across the first face.Controller is in photoreceptor
When part incudes the light in the second face of bolster, control prompting device issues prompt, can remind operator in time, bolster has crack
Or have broken hole, bolster breakage can be detected in time.Solving damaged bolster cannot be detected in time, continue to use
Damaged bolster reduces the effect of buffering, uniform temperature and uniform pressure, is easy to appear and crimps bad problem.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to make simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the process of the detection method of bolster breakage during a kind of liquid crystal display panel that one embodiment of the invention provides crimps
Figure；
Fig. 2 is the entirety of the detection device of bolster breakage during a kind of liquid crystal display panel that one embodiment of the invention provides crimps
Structural schematic diagram；
Fig. 3 is the use of the detection device of bolster breakage during a kind of liquid crystal display panel that one embodiment of the invention provides crimps
State diagram.
Description of symbols
10-illuminating devices；
20-bolsters；
201-the first face；
202-the second face；
30-sensor devices；
40-controllers；
50-prompting devices；
The pressure head of 60-hot-press equipments；
The workbench of 70-hot presses；
100-detection devices.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term " surface ", " underface "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.
Have in liquid crystal display panel (Thin Film Transistor-Liquid CrystalDisplay, TFT-LCD) manufacture
One of bonding process, also referred to as bonding processing procedure.In bonding processing procedure, certain pressure and temperature is needed to tie up liquid crystal display panel and wiring board
Surely route is had connected.Specifically, printed wiring board (Printed wire board, PWB) and driving circuit (Drive IC) are logical
Hot press crimping is crossed, driving circuit (DriveIC) is crimped with the substrate of liquid crystal display panel by hot press.Hot press is a kind of by two
A the tin plating heat parts of first-class scaling powder are to being enough to make melts soldering tin, the temperature of flowing in advance, after solidification, in part and scolding tin
Between form a permanent electricapparatus and connect equipment.Applied to different product, heating rate can choose from.Hot press titanium closes
Golden pressure head ensures temperature-averaging, and heat up quick and service life speciality.Pressure head especially uses horizontal adjustable design, to ensure component
It is pressurized average.Temperature NC postprocessing, clear precision.Digital pressure recorder is had, it can pre-set pressure range.Hot press is also known as bonding
Machine.It is different according to the medium of hot pressing, soldering, ACF (Anisotropically conductive adhesive tape), ACP (Anisotropically conductive glue), TBF (heat can be divided into
Melten gel film).Suitable for FPC (flexible circuit board), the connection of TAB and LCD and PCB.
Currently, printed wiring board (Printed wire board, PWB) crimps process with driving circuit (Drive IC)
In and during driving circuit (Drive IC) crimps with the substrate of liquid crystal display panel, in the pressure head and liquid crystal surface of hot-press equipment
Lighttight bolster is set between the substrate of plate, is buffered by bolster, bolster plays guarantor during crimping
While protecting printed wiring board, driving circuit and liquid crystal display panel effect, the effect of uniform temperature and uniform pressure is also played.But
It is that during crimping, bolster breakage crack occurs or is difficult to detect in time when having broken hole.Damaged bolster reduces slow
The effect of stamping buffering, uniform temperature and uniform pressure, it is bad to be easy to appear crimping.
To solve the above-mentioned problems, the present invention provides a kind of liquid crystal display panel crimping in bolster breakage detection method and
Detection device carries out light-illuminating, the second face of light sensors sense bolster by first face of the illuminating device to bolster
Light, the light of light sensors sense is that after illuminating device is radiated at the first face, the lamp in the second face is exposed to across the first face
Light.For controller in the light in the second face of light sensors sense bolster, control prompting device issues prompt, can remind behaviour in time
Author, bolster have crack or have broken hole, can detect bolster breakage in time.Solving damaged bolster cannot be timely
It is detected, continuing to use damaged bolster reduces the effect of buffering, uniform temperature and uniform pressure, is easy to appear crimping
Bad problem.
Fig. 1 is the process of the detection method of bolster breakage during a kind of liquid crystal display panel that the embodiment of the present invention one provides crimps
Figure.As shown in Figure 1, in liquid crystal display panel provided in an embodiment of the present invention crimping bolster breakage detection method, for check bit
Lighttight bolster between the pressure head and liquid crystal display panel of crimping apparatus, detection method may comprise steps of:
Step 1 carries out light-illuminating to the first face 201 of bolster 20, and incudes the lamp in the second face 202 of bolster 20
Light, the first face 201 and the second face 202 are respectively two opposite faces of bolster 20, and the light of induction is to be radiated at the first face 201
Afterwards, the light in the second face 202 is exposed to across the first face 201.
Specifically, lighttight bolster 20 is located between the pressure head and liquid crystal display panel of crimping apparatus, in bolster 20
First face 201 carries out light-illuminating by illuminating device 10, and the light-illuminating that illuminating device 10 issues is the first of bolster 20
On face 201, if bolster 20, without crack or when having the breakage of broken hole, the light that illuminating device 10 issues can not be through bolster 20
The first face 201 expose to the second face 202 of bolster 20.If bolster 20 has crack or has the breakage of broken hole, luminaire
The light that part 10 issues exposes to the second face 202 of bolster 20 through the first face 201 of bolster 20.
It should be noted that the first face 201 and the second face 202 are respectively two opposite faces of bolster 20.That is,
Sensor devices 30 and illuminating device 10 are located at two opposite faces of bolster 20.It, can be by luminaire when implementing again
The surface of bolster 20 is arranged in part 10, and the underface of bolster 20 is arranged in sensor devices 30, what illuminating device 10 generated
Light is aimed downwardly the first face 201 on bolster 20.Illuminating device 10 can also be arranged in the underface of bolster 20,
Sensor devices 30 are arranged in the surface of bolster 20, and the light that illuminating device 10 generates is irradiated to the on bolster 20 upwards
On one side 201, the present embodiment is it is not limited here.
When specific implementation, when the surface of bolster 20 is arranged in illuminating device 10, sensor devices 30 are arranged in bolster
When 20 underface, illuminating device 10 can be connect with the pressure head 60 of hot-press equipment, or by illuminating device 10 and hot press
Other components on top connect, as long as can be the surface that bolster 20 is arranged in illuminating device 10, by sensor devices
30 are connected on the workbench 70 of hot press, or other components that hot press lower part is arranged in sensor devices 30 are connected,
The underface of bolster 20 is arranged in sensor devices 30.It is photosensitive when the underface of bolster 20 is arranged in illuminating device 10
When the surface of bolster 20 is arranged in device 30, sensor devices 30 can be connect with the pressure head 60 of hot-press equipment, or will
Sensor devices 30 are connect with other components on hot press top, if can be sensor devices 30 be arranged in bolster 20 just on
Illuminating device 10 is connected on the workbench 70 of hot press by side, or illuminating device 10 is arranged in hot press lower part
The connection of other components, the underface of bolster 20 is arranged in illuminating device 10.
Step 2, in the light in the second face 202 for sensing bolster, control prompting device 50 issue prompt.
Specifically, the light that illuminating device 10 issues is through bolster when bolster 20 has crack or has the breakage of broken hole
20 the first face 201 exposes to the second face 202 of bolster 20, and controller 40 incudes the second face of bolster in sensor devices 30
When 202 light, control prompting device 50 issues prompt, and to remind operator, bolster 20 has crack or has broken hole, needs to change new
Bolster 20.
When specific implementation, illuminating device 10 can have the control electricity that independent control illuminating device 10 opens and closes
Road, illuminating device 10 can also be connect with the control system of crimping apparatus, by crimping apparatus control illuminating device 10 open and
It closes.Equally, after controller 40 and sensor devices 30 are electrically connected, the control individually opened and closed with control illuminating device 10 is electric
Road connection, controller 40 and sensor devices 30 can also be connect with the control system of crimping apparatus.
When specific implementation, prompting device 50 can for light flash prompt, or audio alert prompt, or simultaneously into
The prompt of portable lighter optical flare and audio alert prompt, the present embodiment is it is not limited here.
The detection method of bolster breakage, is located at crimping for detecting in liquid crystal display panel crimping provided in an embodiment of the present invention
Bolster between the pressure head and liquid crystal display panel of equipment carries out light-illuminating, sense by first face of the illuminating device to bolster
Optical device incudes the light in the second face of bolster, and the light of light sensors sense is after illuminating device is radiated at the first face, to wear
Cross the light that the first face exposes to the second face.In the light in the second face of light sensors sense bolster, control mentions controller
Show that device issues prompt, operator can be reminded in time, bolster has crack or has broken hole, can detect bolster breakage in time.
Solving damaged bolster cannot be detected in time, continue to use damaged bolster reduce buffering, uniform temperature and
The effect of uniform pressure is easy to appear and crimps bad problem.
When specific implementation, optionally, the detection method of bolster breakage, right in liquid crystal display panel crimping provided in this embodiment
First face 201 of bolster 20 carries out light-illuminating, specifically includes: using luminaire 10 to the first face 201 of bolster 20 into
Row light-illuminating, wherein illuminating device 10 includes LED light bar.
LED light bar is to use high brightness light emitting diode energy source, and LED light bar obtains light efficiency height, and little power consumption, the service life is long, easily-controllable
System, non-maintaining, safety and environmental protection is solid cold light source of new generation.
Optionally, LED light bar is flexible LED strip, and flexible LED strip is to do assembling wiring board using FPC, is sealed with patch
The high-brightness LED for filling (SMD) is light source, and every 3 lamps are a unit, and every 50 centimetres are a big length cell, flexible LED
The thickness of lamp bar is only the thickness of one piece of coin, is not taken up space.LED light bar be can arbitrarily cut or arbitrarily extend and
It shines unaffected.Because the FPC material used is soft, it can arbitrarily be bent, fold, wind, can arbitrarily be moved in three-dimensional space
It is dynamic and flexible without fractureing.Flexible LED strip is cold light source, is generated heat humble, will not generate heat radiation to bolster 20.It can be with
Flexible LED strip is coiled into the surface that bolster 20 is arranged in disk, can also set multiple for flexible LED strip, it is more
A flexible LED strip is parallel to each other, as long as the region of flexible LED strip irradiation is less than the surface in the first face 201 of bolster 20
Product, the region of flexible LED strip irradiation are greater than the area of the pressure head 60 of hot-press equipment, and such flexible LED strip impinges upon
First face 201 of bolster 20.
In specific implementation, optionally, in liquid crystal display panel provided in this embodiment crimping bolster breakage detection method,
The light for incuding the second face 202 of bolster 20, specifically includes: using 30 induced luminous of photoreceptor, sensor devices 30 include sense
Optical sensor.Photosensitive sensor is used to incude the light in the second face 202 of bolster.
The quantity and sensor devices 30 of two and illuminating device 10 is at least arranged in illuminating device 10 and sensor devices 30
Quantity is identical, and illuminating device 10 and sensor devices 30 are oppositely arranged, the projection of the irradiated area of 10 light of illuminating device be less than or
Equal to the area in the first face 201 of bolster 20, the projection of the irradiated area of 10 light of illuminating device is greater than hot pressing compressing head 60
Area.
Specifically, illuminating device 10 can be uniformly arranged on the surface of bolster 20, the irradiation of 10 light of illuminating device
The projection of area is less than or equal to the area in the first face 201 of bolster 20, the projection of the irradiated area of 10 light of illuminating device
Greater than the area of hot pressing compressing head 60, so that the light that illuminating device 10 issues uniformly and is all radiated on the first face 201.This
The quantity of quantity and sensor devices 30 that illuminating device 10 is shown in implementation example figure is two, and three, four also can be set
A, the present embodiment is it is not limited here.
As a kind of optional mode, the detection method of bolster breakage in liquid crystal display panel crimping provided in this embodiment,
The light that LED light bar issues has fixed wave length, and sensor devices 30 include wavelength sensor, and wavelength sensor is for incuding fixed wave
It is long, avoid the light of its commplementary wave length from causing the erroneous judgement of sensor devices 30.
Specifically, the light that LED light bar issues has fixed wave length, that is to say, that LED light bar can only issue a kind of color
Light, and the wavelength of the light is fixed, and the light of fixed wave length is incuded by wavelength sensor sense.Sensor devices 30 are avoided to sense non-
After the light that illuminating device 10 issues, controller 40 controls prompting device 50 and issues prompt, causes accidentally to prompt.
Optionally, in liquid crystal display panel provided in this embodiment crimping bolster breakage detection method, control prompting device 50
After issuing prompt, further includes: stop the operation of crimping apparatus.In specific implementation, controller 40 is connect with crimping apparatus, when mentioning
After showing that device 50 issues prompt, after prompting device 50 issues prompt, controller 40 controls crimping apparatus, so as to stop the fortune of crimping apparatus
Row.
Fig. 2 is the entirety of the detection device of bolster breakage during a kind of liquid crystal display panel that one embodiment of the invention provides crimps
Structural schematic diagram；Fig. 3 is the detection device of bolster breakage during a kind of liquid crystal display panel that one embodiment of the invention provides crimps
Usage state diagram.As shown in Figures 2 and 3, the present embodiment provides the detection devices of bolster breakage in a kind of crimping of liquid crystal display panel
100, for detecting the lighttight bolster being located between the pressure head and liquid crystal display panel of crimping apparatus, comprising:
Illuminating device 10, sensor devices 30, prompting device 50 and controller 40；
Illuminating device 10 is used to carry out light-illuminating to the first face 201 of bolster 20；
Sensor devices 30 are used to incude the light in the second face 202 of bolster 20, the first face 201 and the second face 202 difference
For two opposite faces of bolster 20, the light that sensor devices 30 incude is after illuminating device 10 is radiated at the first face 201, to pass through
First face 201 exposes to the light in the second face 202；
Sensor devices 30 and prompting device 50 are electrically connected with controller 40, and controller 40 is used for slow in the induction of sensor devices 30
When the light in the second face 201 of stamping 20, control prompting device 50 issues prompt.
Specifically, lighttight bolster 20 is located between the pressure head and liquid crystal display panel of crimping apparatus, in bolster 20
First face 201 carries out light-illuminating by illuminating device 10, and the light-illuminating that illuminating device 10 issues is the first of bolster 20
On face 201, if bolster 20, without crack or when having the breakage of broken hole, the light that illuminating device 10 issues can not be through bolster 20
The first face 201 expose to the second face 202 of bolster 20.If bolster 20 has crack or has the breakage of broken hole, luminaire
The light that part 10 issues exposes to the second face 202 of bolster 20 through the first face 201 of bolster 20.
It should be noted that the first face 201 and the second face 202 are respectively two opposite faces of bolster 20.That is,
Sensor devices 30 and illuminating device 10 are located at two opposite faces of bolster 20.When implementing again, illuminating device 10 delays
Relative position between stamping 20 and sensor devices 30 can be following two mode, and first way sets illuminating device 10
Set in the surface of bolster 20, sensor devices 30 are arranged in the underface of bolster 20, the light that illuminating device 10 generates to
Under be irradiated to the first face 201 on bolster 20.The underface of bolster 20 is arranged in illuminating device 10 by the second way,
Sensor devices 30 are arranged in the surface of bolster 20, and the light that illuminating device 10 generates is irradiated to the on bolster 20 upwards
On one side 201, the present embodiment is it is not limited here.
When the surface of bolster 20 is arranged in illuminating device 10, the underface of bolster 20 is arranged in sensor devices 30
When, illuminating device 10 can be connect with the pressure head 60 of hot-press equipment, or by illuminating device 10 and hot press top other
Sensor devices 30 as long as can be the surface that bolster 20 is arranged in illuminating device 10, are connected to heat by components connection
On the workbench 70 of press, or by sensor devices 30 be arranged in hot press lower part other components connect, sensor devices 30
The underface of bolster 20 is set.When the underface of bolster 20 is arranged in illuminating device 10, sensor devices 30 are arranged
At the surface of bolster 20, sensor devices 30 can be connect with the pressure head 60 of hot-press equipment, or by sensor devices 30
It is connect with other components on hot press top, it, will as long as can be the surface that bolster 20 is arranged in sensor devices 30
Illuminating device 10 is connected on the workbench 70 of hot press, or illuminating device 10 is arranged in other zero of hot press lower part
The underface of bolster 20 is arranged in part connection, illuminating device 10.
Specifically, the light that illuminating device 10 issues is through bolster when bolster 20 has crack or has the breakage of broken hole
20 the first face 201 exposes to the second face 202 of bolster 20, and controller 40 incudes the second face of bolster in sensor devices 30
When 202 light, control prompting device 50 issues prompt, and to remind operator, bolster 20 has crack or has broken hole, needs to change new
Bolster 20.Wherein, prompting device 50 can prompt for light flash, or audio alert prompt, or carry out simultaneously
Light flash prompt and audio alert, the present embodiment is it is not limited here.
When specific implementation, illuminating device 10 can have the control electricity that independent control illuminating device 10 opens and closes
Road, illuminating device 10 can also be connect with the control system of crimping apparatus, by crimping apparatus control illuminating device 10 open and
It closes.Equally, after controller 40 and sensor devices 30 are electrically connected, the control individually opened and closed with control illuminating device 10 is electric
Road connection, controller 40 and sensor devices 30 can also be connect with the control system of crimping apparatus.
In one embodiment, liquid crystal display panel crimping in bolster breakage detection device 100, illuminating device 10 be LED
Lamp bar.
LED light bar is to use high brightness light emitting diode energy source, and LED light bar obtains light efficiency height, and little power consumption, the service life is long, easily-controllable
System, non-maintaining, safety and environmental protection is solid cold light source of new generation.
Optionally, LED light bar is flexible LED strip, and flexible LED strip is to do assembling wiring board using FPC, is sealed with patch
The high-brightness LED for filling (SMD) is light source, and every 3 lamps are a unit, and every 50 centimetres are a big length cell, flexible LED
The thickness of lamp bar is only the thickness of one piece of coin, is not taken up space.LED light bar be can arbitrarily cut or arbitrarily extend and
It shines unaffected.Because the FPC material used is soft, it can arbitrarily be bent, fold, wind, can arbitrarily be moved in three-dimensional space
It is dynamic and flexible without fractureing.Flexible LED strip is cold light source, is generated heat humble, will not generate heat radiation to bolster 20.It can be with
Flexible LED strip is coiled into the surface that bolster 20 is arranged in disk, can also set multiple for flexible LED strip, it is more
A flexible LED strip is parallel to each other, as long as the region of flexible LED strip irradiation is less than the surface in the first face 201 of bolster 20
Product, the region of flexible LED strip irradiation are greater than the area of the pressure head 60 of hot-press equipment, and such flexible LED strip impinges upon
First face 201 of bolster 20.
When implementing again, optionally, the detection device of bolster breakage in liquid crystal display panel crimping provided in this embodiment
100, sensor devices 30 include photosensitive sensor.Photosensitive sensor is used to incude the light in the second face 202 of bolster.
As a kind of optional mode, the detection device of bolster breakage in liquid crystal display panel crimping provided in this embodiment
100, the light that LED light bar issues has fixed wave length, and sensor devices 30 include wavelength sensor, and wavelength sensor is solid for incuding
Standing wave is long, and the light of its commplementary wave length is avoided to cause the erroneous judgement of sensor devices 30.
Specifically, the light that LED light bar issues has fixed wave length, that is to say, that LED light bar can only issue a kind of color
Light, and the wavelength of the light is fixed, and the light of fixed wave length is incuded by wavelength sensor sense.Sensor devices 30 are avoided to sense non-
After the light that illuminating device 10 issues, controller 40 controls prompting device 50 and issues prompt, leads to false alarm.
In some embodiments, in liquid crystal display panel crimping bolster breakage detection device 100, illuminating device 10 and photosensitive
Device 30 is at least arranged two, and the quantity of illuminating device 10 is identical with the quantity of sensor devices 30, illuminating device 10 and sense
Optical device 30 is oppositely arranged, and the projection of the irradiated area of 10 light of illuminating device is less than or equal to the first face 201 of bolster 20
Area, the irradiated area of 10 light of illuminating device projection be greater than hot pressing compressing head 60 area.In this way, avoiding hot press pressure
First 60 block light, and the light for issuing illuminating device 10 can impinge upon on the first face 201 of bolster 20.10 He of illuminating device
Sensor devices 30 are oppositely arranged, and sensor devices 30 can be enable timely to sense on the second face 202 for exposing to bolster 20
Light.
Optionally, illuminating device 10 is located at the opposite two sides of hot pressing compressing head 60, in this way, avoiding hot pressing compressing head 60
While blocking light, the light for enabling illuminating device 10 to issue uniformly is impinged upon on the first face 201 of bolster 20.
In the description of description of the invention, it is to be understood that term " some embodiments ", " one embodiment " etc.
Description mean particular features, structures, materials, or characteristics described in conjunction with this embodiment or example be contained in it is of the invention at least
In one embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to identical reality
Apply example or example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments
Or it can be combined in any suitable manner in example.In addition, those skilled in the art can be by different implementations described in this specification
Example or example are engaged and are combined.
In addition, element, structure or feature described in an attached drawing of the invention or a kind of embodiment can be with one
Or element shown in a number of other attached drawings or embodiment, structure or feature combine in any suitable manner.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. the detection method of bolster breakage in a kind of liquid crystal display panel crimping, for detecting the pressure head and liquid crystal that are located at crimping apparatus
Lighttight bolster between panel, which is characterized in that described detection method includes the following steps:
Light-illuminating is carried out to the first face of the bolster, and incudes the light in the second face of the bolster, described first
Face and second face are respectively two opposite faces of the bolster, and the light of induction is after being radiated at first face, to wear
Cross the light that first face exposes to second face；
In the light in the second face for sensing the bolster, prompt is issued.
2. the detection method of bolster breakage in liquid crystal display panel crimping according to claim 1, which is characterized in that described right
First face of the bolster carries out light-illuminating, specifically includes: being carried out using first face of the illuminating equipment to the bolster
Light-illuminating, the illuminating device include LED light bar.
3. the detection method of bolster breakage in liquid crystal display panel crimping according to claim 2, which is characterized in that the sense
The light for answering the second face of the bolster, specifically includes: utilizing light described in light sensors sense.
4. the detection method of bolster breakage in liquid crystal display panel crimping according to claim 3, which is characterized in that described
The light that LED light bar issues has fixed wave length, and the sensor devices include wavelength sensor, and the wavelength sensor is for incuding
The fixed wave length.
5. the detection method of bolster breakage, feature exist in liquid crystal display panel crimping according to claim 1-4
In after the sending prompt, further includes: stop the operation of crimping apparatus.
6. the detection device of bolster breakage in a kind of liquid crystal display panel crimping, for detecting the pressure head and liquid crystal that are located at crimping apparatus
Lighttight bolster between panel, which is characterized in that the detection device includes:
Illuminating device, sensor devices, prompting device and controller；
The illuminating device is used to carry out light-illuminating to the first face of the bolster；
The sensor devices are used to incude the light in the second face of the bolster, and first face and second face are respectively
Two opposite faces of the bolster, the light of the light sensors sense are that the illuminating device is radiated at first face
Afterwards, the light in second face is exposed to across first face；
The sensor devices and the prompting device are electrically connected with the controller, and the controller is used in the sensor devices
When incuding the light in the second face of the bolster, controls the prompting device and issue prompt.
7. the detection device of bolster breakage in liquid crystal display panel crimping according to claim 6, which is characterized in that the photograph
Funerary objects part is LED light bar.
8. the detection device of bolster breakage in liquid crystal display panel crimping according to claim 7, which is characterized in that the sense
Optical device includes photosensitive sensor.
9. the detection device of bolster breakage in liquid crystal display panel crimping according to claim 7, which is characterized in that described
The light that LED light bar issues has fixed wave length, and the sensor devices include wavelength sensor, and the wavelength sensor is for incuding
The fixed wave length.
10. according to the detection device of bolster breakage in the described in any item liquid crystal display panel crimping of claim 6-9, feature exists
In the illuminating device and the sensor devices at least setting two, the quantity of the illuminating device and the sensor devices
Quantity it is identical, the illuminating device and the sensor devices are oppositely arranged, the throwing of the irradiated area of the illuminating device light
Shadow is less than or equal to the area in first face of the bolster, and the projection of the irradiated area of the illuminating device light is greater than
The area of the pressure head of the crimping apparatus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811337575.7A CN109283714A (en) | 2018-11-12 | 2018-11-12 | The detection method and detection device of bolster breakage in liquid crystal display panel crimping |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811337575.7A CN109283714A (en) | 2018-11-12 | 2018-11-12 | The detection method and detection device of bolster breakage in liquid crystal display panel crimping |
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