CN104793374B - False orientation device, method and visual inspection apparatus - Google Patents
False orientation device, method and visual inspection apparatus Download PDFInfo
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- CN104793374B CN104793374B CN201510249467.4A CN201510249467A CN104793374B CN 104793374 B CN104793374 B CN 104793374B CN 201510249467 A CN201510249467 A CN 201510249467A CN 104793374 B CN104793374 B CN 104793374B
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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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- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Controls And Circuits For Display Device (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of False orientation device, method and visual inspection apparatus.The False orientation device positions the bad position on display panel, the False orientation device includes the first echelette transmitter, the second echelette transmitter, indexing unit and False orientation unit, and the multi beam infrared light of the first echelette transmitter transmitting and the multi beam infrared light of the second echelette transmitter transmitting have the crosspoint for corresponding respectively to each display screen that the display panel includes；Indexing unit, for when detect display panel there are it is bad when block infrared light at crosspoint corresponding with bad position；The False orientation unit, the position on the corresponding display surface of the changed crosspoint of light quantity for determining infrared light is bad position.The present invention can automatically determine the identity identification information of the bad position and bad display screen on display panel, improve efficiency and accuracy.
Description
Technical field
The present invention relates to display base plate detection technique field, more particularly to a kind of False orientation device, method and visually inspection
Look into device.
Background technology
Visual inspection apparatus be used for display device manufacturing process in inspection operation, mainly act on glass substrate into box it
The not cut display panel for including multiple display screens formed afterwards, by described in personnel's visual detection on display panel not
Good position simultaneously records result.Current existing visual inspection apparatus detects in personnel and completes to need manually to compare display to be measured afterwards
Panel determines ID (Identity, identification) information of bad position and corresponding bad display screen.For example, liquid crystal
Show that device manufactures six foundries when producing 3.97 cun of products, the number for the display screen that individual not cut display panel includes
For 494, in visual inspection process by taking operating personnel detects that display panel has bad and record as an example, operating personnel needs logical
Cross several rows and the mode of column position determines bad Panel (display screen) position on a display panel, and compare Panel ID and exist
Being distributed to determine the id information of bad display screen on display panel.
In addition, it is existing visual inspection equipment personnel detect on display panel there are it is bad when can not be automatically true
The bad position on display panel is determined, if necessary to determine that undesirable specific location by manual measurement and can only record.It is comprehensive
2 existing visual inspection apparatus of factor of the above mainly have following deficiency：
1st, the bad position and id information checked on display panel needs manual confirmation, in the small ruler more to substrate number
Very little product seriously affects work efficiency when being visually inspected；
2nd, the bad position and id information artificially checked on judgement display panel influences to unite there are operating personnel's error
The problem of counting result correctness；
3rd, equipment None- identified and bad position is recorded, can only be realized by manual measurement, influence work efficiency and statistics
As a result integrality.
The content of the invention
It is a primary object of the present invention to provide a kind of False orientation device, method and visual inspection apparatus, solve existing
The problem of bad position information on display panel is so as to efficiency and low accuracy can only be manually determined in technology.
In order to achieve the above object, the present invention provides a kind of False orientation device, for bad on display panel
Position is positioned, and it is single that the False orientation device includes the first echelette transmitter, the second echelette transmitter, mark
Member and False orientation unit, wherein,
The multi beam infrared light of the first echelette transmitter transmitting and the multi beam of the second echelette transmitter transmitting
Infrared light has the crosspoint for corresponding respectively to each display screen that the display panel includes；
The indexing unit, for when detect display panel there are it is bad when block crosspoint corresponding with bad position
The infrared light at place；
The False orientation unit, the corresponding display panel of the changed crosspoint of light quantity for determining infrared light
Position be bad position.
During implementation, False orientation device of the present invention further includes the first echelette receiver and the second echelette
Receiver；
The first echelette transmitter, specifically for launching to the first echelette receiver parallel to described
The multi beam infrared light of the X-direction of panel surface；
The second echelette transmitter, specifically for launching to the second echelette receiver parallel to described
The multi beam infrared light of the Y-direction of panel surface.
During implementation, the display panel has opposite in the X direction first side and second side, and in the Y direction
Upper the 3rd opposite side and four side；
The first echelette transmitter is set along the first side, the first echelette receiver along
The second side is set；The light of the optical axis center of the first echelette transmitter and the first echelette receiver
Axis center is consistent；
The second echelette transmitter is set along the 3rd side, the second echelette receiver along
The four side is set；The light of the optical axis center of the second echelette transmitter and the second echelette receiver
Axis center is consistent.
During implementation, the optical axis of the optical axis spacing of the first echelette transmitter and the first echelette receiver
Spacing both less than or equal to the first preset width, first preset width exists for all display screens that the display panel includes
The minimum value of width in X-direction；
The optical axis spacing of the second echelette transmitter and the optical axis spacing of the second echelette receiver are all
Less than or equal to the second preset width, all display screens that second preset width includes for the display panel are in the Y direction
On width minimum value.
During implementation, infrared light and the second echelette transmitter hair that the first echelette transmitter is launched
The infrared light gone out is respectively with the distance between the surface of the display panel both less than or equal to preset distance.
During implementation, the False orientation unit includes：
Photoelectric signal transforming module, it is characterised in that for the light quantity for receiving the first echelette receiver
The infrared signal for the light quantity change that the infrared signal of change and the second echelette receiver receive is converted to electricity
Signal；
And control module, for being connect according to first echelette on the electric signal and the X-direction prestored
Receive the seat for each receiving terminal that the second echelette receiver on the coordinate and Y-direction for each receiving terminal that device includes includes
Mark, draws the coordinate of bad position.
During implementation, the control module, is further used for the coordinate according to the bad position and display set in advance
The corresponding coordinate range of each display screen obtains the identity identification information of the bad display screen on panel.
During implementation, False orientation device of the present invention further includes display module, for showing the bad position
The identity identification information of coordinate and the bad display screen.
Present invention also offers a kind of False orientation method, for being positioned to the bad position on display panel, institute
Stating False orientation method includes：
First echelette transmitter and the second echelette transmitter launch multi beam infrared light respectively；Described first is infrared
It is right respectively that the multi beam infrared light of light barrier transmitter transmitting and the multi beam infrared light of the second echelette transmitter transmitting have
The crosspoint for each display screen that display panel described in Ying Yu includes；
When detect display panel there are it is bad when, indexing unit blocks infrared at crosspoint corresponding with bad position
Light；
False orientation unit determines that the position on the corresponding display panel of the changed crosspoint of the light quantity of infrared light is
Bad position.
During implementation, the first echelette transmitter and the second echelette transmitter launch multi beam infrared light step respectively
Suddenly specifically include：
The first echelette transmitter launches the table parallel to the display panel to the first echelette receiver
The multi beam infrared light of the X-direction in face；
The second echelette transmitter launches the table parallel to the display panel to the second echelette receiver
The multi beam infrared light of the Y-direction in face.
During implementation, the display panel has opposite in the X direction first side and second side, and in the Y direction
Upper the 3rd opposite side and four side；
The first echelette transmitter is set along the first side, the first echelette receiver along
The second side is set；The light of the optical axis center of the first echelette transmitter and the first echelette receiver
Axis center is consistent；
The second echelette transmitter is set along the 3rd side, the second echelette receiver along
The four side is set；The light of the optical axis center of the second echelette transmitter and the second echelette receiver
Axis center is consistent.
During implementation, the optical axis of the optical axis spacing of the first echelette transmitter and the first echelette receiver
Spacing both less than or equal to the first preset width, first preset width exists for all display screens that the display panel includes
The minimum value of width in X-direction；
The optical axis spacing of the second echelette transmitter and the optical axis spacing of the second echelette receiver are all
Less than or equal to the second preset width, all display screens that second preset width includes for the display panel are in the Y direction
On width minimum value.
During implementation, by the first echelette transmitter, the first echelette receiver, second infrared light
The difference in height of grid transmitter and the second echelette receiver respectively between the surface of the display panel is less than or waits
In pre-computed altitude.
During implementation, the corresponding display panel of the changed crosspoint of light quantity of the False orientation cell location infrared light
On position include for bad position step：
The infrared signal that the light quantity that photoelectric signal transforming module receives the first echelette receiver changes
The infrared signal of the light quantity change received with the second echelette receiver is converted to electric signal；
Control module includes according to the first echelette receiver on the electric signal and the X-direction prestored
The coordinate for each receiving terminal that the second echelette receiver on the coordinate and Y-direction of each receiving terminal includes, draws not
The coordinate of good position.
During implementation, False orientation method of the present invention further includes：The control module is according to the bad position
The corresponding coordinate range of each display screen obtains the identity of the bad display screen and knows on coordinate and display panel set in advance
Other information.
During implementation, False orientation method of the present invention further includes：Display module shows the coordinate of the bad position
With the identity identification information of the bad display screen.
Present invention also offers a kind of visual inspection apparatus, including visual inspection board, above-mentioned False orientation is further included
Device；
The visual inspection board, the backlight for checking is provided for carrying display panel, and for the display panel
Source；
The False orientation device, for being positioned to the bad position on the display panel.
Compared with prior art, False orientation device, method and visual inspection apparatus of the present invention, by using
One echelette transmitter and the second echelette transmitter so that the multi beam of the first echelette transmitter transmitting is infrared
Light and the multi beam infrared light of the second echelette transmitter transmitting have correspond respectively to that the display panel includes each aobvious
The crosspoint of display screen, blocks the infrared light at crosspoint corresponding with the bad position, then False orientation by indexing unit
Unit can determine corresponding bad position according to the changed crosspoint of light quantity of infrared light, so as to fulfill in display panel
Bad position is automatically determined in inspection, and efficiency and accuracy can be improved.
Brief description of the drawings
Fig. 1 is the structure diagram of the False orientation device described in a specific embodiment of the invention；
Fig. 2 is the structural frames of a specific embodiment of the False orientation unit that False orientation device of the present invention includes
Figure；
Fig. 3 is the flow chart of the False orientation method described in the embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
False orientation device described in the embodiment of the present invention, for being positioned to the bad position on display panel, institute
Stating False orientation device includes the first echelette transmitter, the second echelette transmitter, indexing unit and False orientation list
Member, wherein,
The multi beam infrared light of the first echelette transmitter transmitting and the multi beam of the second echelette transmitter transmitting
Infrared light has the crosspoint for corresponding respectively to each display screen that the display panel includes；
The indexing unit, for when detect display panel there are it is bad when block crosspoint corresponding with bad position
The infrared light at place；
The False orientation unit, the corresponding display panel of the changed crosspoint of light quantity for determining infrared light
Position be bad position.
False orientation device described in the embodiment of the present invention, by using the first echelette transmitter and the second infrared light
Grid transmitter so that what the multi beam infrared light and the second echelette transmitter of the first echelette transmitter transmitting were launched
Multi beam infrared light has the crosspoint for corresponding respectively to each display screen that the display panel includes, and is blocked by indexing unit
Infrared light at crosspoint corresponding with bad position, then False orientation unit can be changed according to the light quantity of infrared light
Crosspoint determines the bad position on corresponding display panel, so as to fulfill bad position is automatically determined in being checked in display panel
Put, and efficiency and accuracy can be improved.
Specifically, the False orientation device described in the embodiment of the present invention, further includes the first echelette receiver and second
Echelette receiver；
The first echelette transmitter, specifically for launching to the first echelette receiver parallel to described
The multi beam infrared light of the X-direction of panel surface；
The second echelette transmitter, specifically for launching to the second echelette receiver parallel to described
The multi beam infrared light of the Y-direction of panel surface；X-direction and Y-direction are vertical.
The first echelette transmitter and the first echelette receiver form the first correlation echelette
System, the second echelette transmitter and the second echelette receiver form the second correlation echelette system
System, the direction of the multi beam infrared light of the first echelette transmitter transmitting can be with second echelette in the specific implementation
The direction of transmitter transmitting multi beam infrared light is vertical, to form an orthogonal coordinate system；It is but first red in practical operation
The direction of the multi beam infrared light of outer light barrier transmitter transmitting can launch multi beam infrared light with the second echelette transmitter
Direction can not also be vertical, as long as being sent out corresponding to the first echelette transmitter described in each display screen on display panel
The multi beam infrared light penetrated and the multi beam infrared light of the second echelette transmitter transmitting have at least one crosspoint.
Specifically, the display panel has opposite in the X direction first side and second side, and in the Y direction
Upper the 3rd opposite side and four side；
The first echelette transmitter is set along the first side, the first echelette receiver along
The second side is set；The light of the optical axis center of the first echelette transmitter and the first echelette receiver
Axis center is consistent；
The second echelette transmitter is set along the 3rd side, the second echelette receiver along
The four side is set.The light of the optical axis center of the first echelette transmitter and the first echelette receiver
Axis center is consistent, can so ensure that the infrared light of the first echelette transmitter transmitting can be by the first echelette receiver
Receive；The optical axis center one of the optical axis center of the second echelette transmitter and the second echelette receiver
Cause, can so ensure the infrared light of the second echelette transmitter transmitting can be received by the second echelette receiver.
Specifically, the optical axis of the optical axis spacing of the first echelette transmitter and the first echelette receiver
Spacing is both less than or the display screen that includes equal to display panel minimum widith in the X direction；Second echelette
The optical axis spacing of transmitter and the optical axis spacing of the second echelette receiver are both less than or equal to the display panel bag
The minimum widith of the display screen included in the Y direction, each display screen that so determining the display panel includes can lead to
The echelette of corresponding X-direction and the echelette of Y-direction are crossed to determine position, the bad position on display panel can be improved
Put the precision of detection.
Specifically, infrared light and the second echelette transmitter hair that the first echelette transmitter is launched
The infrared light gone out is respectively with the distance between the surface of the display panel both less than or equal to preset distance, to avoid described the
The infrared light that the infrared light and the second echelette transmitter that one echelette transmitter is launched are sent respectively with it is described
The distance between surface of display panel causes the bad position on display panel to be obtained a result inaccuracy too far.
Specifically, the False orientation unit includes：
Photoelectric signal transforming module, for the infrared light for the light quantity change for receiving the first echelette receiver
The infrared signal for the light quantity change that signal and the second echelette receiver receive is converted to electric signal；
And control module, for being connect according to first echelette on the electric signal and the X-direction prestored
Receive the seat for each receiving terminal that the second echelette receiver on the coordinate and Y-direction for each receiving terminal that device includes includes
Mark, draws the coordinate of bad position.
Illustrate False orientation device of the present invention below according to a specific embodiment.The specific implementation of the invention
Example provides a kind of orthogonal to bad detection application echelette positioning unit in display panel checking process and carries out automatically
The device of id information of the positioning with confirming bad display screen.
The specific embodiment passes through the X-direction in the visual inspection board plane included parallel to existing visual inspection apparatus
Add a set of correlation echelette system respectively with Y-direction, bad position on display panel can be automatically determined to provide one kind
Put the visual inspection apparatus with the id information of the bad display screen where the bad position.
As shown in Figure 1, the False orientation device described in the of the invention specific embodiment, on display panel 10 not
Good position is positioned；
The display panel 10 is included with opposite in the X direction first side and second side, and in the Y direction
The 3rd opposite side and four side；
The first echelette transmitter 11 that the False orientation device includes setting along the first side, along institute
State the first echelette receiver 12, the second echelette transmitter set along the 3rd side of second side setting
13rd, the second infrared remote receiver 14, indexing unit (not showing in Fig. 1) and the False orientation unit set along the four side
(not showing in Fig. 1)；
The first echelette transmitter 11, specifically for the first echelette receiver 12 launch parallel to
The multi beam infrared light of the X-direction on 10 surface of display panel；
The second echelette transmitter 13, specifically for the second echelette receiver 14 launch parallel to
The multi beam infrared light of the Y-direction on 10 surface of display panel；X-direction and Y-direction are vertical；
What the multi beam infrared light and the second echelette transmitter 13 that the first echelette transmitter 11 is launched were launched
Multi beam infrared light has the crosspoint for corresponding respectively to each display screen that the display panel includes；
In this embodiment, the first echelette transmitter 11 transmitting multi beam infrared light direction can with it is described
The direction of second echelette transmitter 13 transmitting multi beam infrared light is vertical, to form an orthogonal coordinate system；
In the optical axis of the optical axis center of the first echelette transmitter 11 and the first echelette receiver 12
The heart is consistent, can so ensure that the infrared light of the first echelette transmitter 11 transmitting can be by the first echelette receiver 12
Receive；
In the optical axis of the optical axis center of the second echelette transmitter 13 and the second echelette receiver 14
The heart is consistent, can so ensure that the infrared light of the second echelette transmitter 13 transmitting can be by the second echelette receiver 14
Receive.
Between the optical axis of the optical axis spacing of the first echelette transmitter 11 and the first echelette receiver 12
Away from both less than or equal to the first preset width；The optical axis spacing of the second echelette transmitter and second echelette
The optical axis spacing of receiver is both less than or equal to the second preset width；The first preset width display panel includes
The minimum widith of display screen in the X direction, the display screen that second preset width includes for the display panel is in the Y direction
Minimum widith, can so improve on display panel bad position detection precision；Echelette optical axis spacing is general at present
All over that can accomplish 10mm (millimeter) below, small-size product visual inspection False orientation can be corresponded to and the ID of bad display screen believes
The definite requirement of breath；
The infrared light and the second echelette transmitter 13 that the first echelette transmitter 11 is launched are sent
Infrared light respectively with the distance between the surface of the display panel 10 both less than or equal to the preset distance (preset distance
Such as can be 50mm), the infrared light and second infrared light launched to avoid the first echelette transmitter 11
The infrared light that grid transmitter 13 is sent causes bad position too far with the distance between the surface of the display panel 10 respectively
Obtain a result inaccuracy；
The indexing unit (does not show, the indexing unit for example can be marker pen or other devices that can be indicated in Fig. 1
Part), for when detect display panel there are it is bad when block infrared light at crosspoint corresponding with the bad position；
The False orientation unit (not showing in Fig. 1), the changed crosspoint of light quantity for determining infrared light correspond to
Bad position and corresponding bad display screen id information；
As shown in Fig. 2, the False orientation unit includes photoelectric signal transforming module 21, control module 22 and display module
23；
The photoelectric signal transforming module 21, for the light quantity change for receiving the first echelette receiver 12
Infrared signal and the second echelette receiver 14 receive light quantity change infrared signal be converted to telecommunications
Number, and send the electric signal to the control module 22；
The control module 22, for according to first echelette on the electric signal and the X-direction prestored
Each receiving terminal that the second echelette receiver on the coordinate and Y-direction of each receiving terminal that receiver includes includes
Coordinate, draws the coordinate of bad position, can also be corresponded to according to each display screen on the coordinate and display panel set in advance
Coordinate range obtain the bad display screen (display screen that the i.e. described bad position of bad display screen is located at) ID letter
Breath, and the id information of the coordinate of the bad position and bad display screen is sent to the display module 23；
The display module 23, the display screen distribution map included for showing the display panel, and show described bad
The id information of the coordinate of position and the bad display screen.
Visual inspection apparatus described in the embodiment of the present invention, including visual inspection board and above-mentioned False orientation device；
The visual inspection board, the backlight for checking is provided for carrying display panel, and for the display panel
Source；
The False orientation device, for being positioned to the bad position on the display panel.
More specifically, the display panel visual inspection apparatus described in the embodiment of the present invention further includes board backlight and machine
Platform rotation axis, during visual inspection, display panel is placed on visual inspection board by manipulator first, then via institute
State board rotation axis to rotate display panel to vertical position by horizontal level, such inspection personnel can carry on the back in the board
Hand-held polaroid visually inspects display panel under light source effect, the tool of the visual inspection apparatus described in the embodiment of the present invention
Body implementation steps are as follows：
The distribution coordinate information and id information of display screen on a display panel are edited in control software；
Display panel is transported into visual inspection equipment via manipulator, and is overturn and be moved to and check position, operating personnel
Proceed by detection；
Operating personnel judges the bad rear certain area (regional extent for using the objects such as marker pen in bad display screen surface
More than echelette perceived accuracy) it is marked, so as to change the reception of respective regions echelette in action process is marked
The infrared receiver light quantity of device；
The optical signal of infrared receiver light quantity change is converted to the electric signal that terminal can identify through photoelectric conversion module, and passes
Transport to control module；
Control module judges the echelette receiver point coordinates position of reception light quantity change simultaneously according to the electric signal of reception
Record, while contrast the distribution coordinate information of the display screen of editor's completion early period on a display panel and determine bad show with id information
The id information of display screen；
Bad display screen is distinctly displayed on display module, and latter display panel of bad code is selected by operating personnel
Work is visually inspected to complete.
As shown in figure 3, the False orientation method described in the embodiment of the present invention, for the bad position on display panel into
Row positioning, the False orientation method include：
Step 31：First echelette transmitter and the second echelette transmitter launch multi beam infrared light respectively；It is described
The multi beam infrared light of first echelette transmitter transmitting and the multi beam infrared light tool of the second echelette transmitter transmitting
There is the crosspoint for corresponding respectively to each display screen that the display panel includes；
Step 32：When detect the display panel there are it is bad when, indexing unit blocks phase corresponding with bad position
The infrared light of point of intersection；
Step 33：False orientation unit determine the corresponding bad position of the changed crosspoint of the light quantity of infrared light with not
The id information of good display screen.
Specifically, the first echelette transmitter and the second echelette transmitter launch multi beam infrared light step respectively
Suddenly specifically include：
The first echelette transmitter launches the table parallel to the display panel to the first echelette receiver
The multi beam infrared light of the X-direction in face；
The second echelette transmitter launches the table parallel to the display panel to the second echelette receiver
The multi beam infrared light of the Y-direction in face.
Specifically, the display panel has opposite in the X direction first side and second side, and in the Y direction
Upper the 3rd opposite side and four side；
The first echelette transmitter is set along the first side, the first echelette receiver along
The second side is set；The light of the optical axis center of the first echelette transmitter and the first echelette receiver
Axis center is consistent；
The second echelette transmitter is set along the 3rd side, the second echelette receiver along
The four side is set；The light of the optical axis center of the second echelette transmitter and the second echelette receiver
Axis center is consistent.
Specifically, the optical axis of the optical axis spacing of the first echelette transmitter and the first echelette receiver
Spacing is both less than or the display screen that includes equal to display panel minimum widith in the X direction；Second echelette
The optical axis spacing of transmitter and the optical axis spacing of the second echelette receiver are both less than or equal to the display panel bag
The minimum widith of the display screen included in the Y direction.
Specifically, by the first echelette transmitter, the first echelette receiver, second infrared light
The difference in height of grid transmitter and the second echelette receiver respectively between the surface of the display panel is less than or waits
In pre-computed altitude.
Specifically, the False orientation unit determines the corresponding display panel of the changed crosspoint of the light quantity of infrared light
On position include for bad position step：
The infrared signal that the light quantity that photoelectric signal transforming module receives the first echelette receiver changes
The infrared signal of the light quantity change received with the second echelette receiver is converted to electric signal；
Control module includes according to the first echelette receiver on the electric signal and the X-direction prestored
The coordinate for each receiving terminal that the second echelette receiver on the coordinate and Y-direction of each receiving terminal includes, draws red
The coordinate of the changed position of light quantity of outer light.
Specifically, False orientation method of the present invention further includes：The control module is according to the bad position
The corresponding coordinate range of each display screen obtains the identity of the bad display screen and knows on coordinate and display panel set in advance
Other information.
Specifically, False orientation method of the present invention further includes：Display module shows the coordinate of the bad position
With the identity identification information of the bad display screen.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (15)
- A kind of 1. False orientation device, for being positioned to the bad position on display panel, it is characterised in that described bad Positioner includes the first echelette transmitter, the second echelette transmitter, indexing unit and False orientation unit, its In,The multi beam infrared light of the first echelette transmitter transmitting and the multi beam of the second echelette transmitter transmitting are infrared Light has the crosspoint for corresponding respectively to each display screen that the display panel includes；The indexing unit, for when detect display panel there are it is bad when block at crosspoint corresponding with bad position Infrared light；The False orientation unit, the position on the corresponding display panel of the changed crosspoint of light quantity for determining infrared light It is set to bad position；The False orientation device further includes the first echelette receiver and the second echelette receiver；The first echelette transmitter, specifically for launching to the first echelette receiver parallel to the display The multi beam infrared light of the X-direction of panel surface；The second echelette transmitter, specifically for launching to the second echelette receiver parallel to the display The multi beam infrared light of the Y-direction of panel surface.
- 2. False orientation device as claimed in claim 1, it is characterised in that the display panel has opposite in the X direction First side and second side, and the 3rd opposite in the Y direction side and four side；The first echelette transmitter is set along the first side, and the first echelette receiver is along described Second side is set；In the optical axis of the optical axis center of the first echelette transmitter and the first echelette receiver The heart is consistent；The second echelette transmitter is set along the 3rd side, and the second echelette receiver is along described Four side is set；In the optical axis of the optical axis center of the second echelette transmitter and the second echelette receiver The heart is consistent.
- 3. False orientation device as claimed in claim 1, it is characterised in thatThe optical axis spacing of the first echelette transmitter and the optical axis spacing of the first echelette receiver are both less than Or equal to the first preset width, all display screens that first preset width includes for the display panel are in the X direction The minimum value of width；The optical axis spacing of the second echelette transmitter and the optical axis spacing of the second echelette receiver are both less than Or equal to the second preset width, all display screens that second preset width includes for the display panel are in the Y direction The minimum value of width.
- 4. False orientation device as claimed in claim 1, it is characterised in that what the first echelette transmitter was launched The infrared light that infrared light and the second echelette transmitter are sent is respectively the distance between with the surface of the display panel Both less than or equal to preset distance.
- 5. the False orientation device as described in any claim in Claims 1-4, it is characterised in that the False orientation Unit includes：Photoelectric signal transforming module, it is characterised in that for the light quantity change for receiving the first echelette receiver Infrared signal and the second echelette receiver receive light quantity change infrared signal be converted to electric signal；And control module, for according to the first echelette receiver on the electric signal and the X-direction prestored Including each receiving terminal coordinate and Y-direction on the coordinate of each receiving terminal that includes of the second echelette receiver, Draw the coordinate of bad position.
- 6. False orientation device as claimed in claim 5, it is characterised in that the control module, is further used for according to institute State the corresponding coordinate range of each display screen on the coordinate and display panel set in advance of bad position and obtain the display surface The identity identification information of bad display screen on plate.
- 7. False orientation device as claimed in claim 6, it is characterised in that further include display module, for show it is described not The identity identification information of the coordinate of good position and the bad display screen.
- A kind of 8. False orientation method, for being positioned to the bad position on display panel, it is characterised in that described bad Localization method includes：First echelette transmitter and the second echelette transmitter launch multi beam infrared light respectively；First echelette The multi beam infrared light of transmitter transmitting and the multi beam infrared light of the second echelette transmitter transmitting, which have, to be corresponded respectively to The crosspoint for each display screen that the display panel includes；When detect display panel there are it is bad when, indexing unit blocks the infrared light at crosspoint corresponding with bad position；False orientation unit determines that the position on the corresponding display panel of the changed crosspoint of the light quantity of infrared light is bad Position；The first echelette transmitter and the second echelette transmitter are launched multi beam infrared light step and are specifically included respectively：The first echelette transmitter launches the X on the surface parallel to the display panel to the first echelette receiver The multi beam infrared light in direction；The second echelette transmitter launches the Y on the surface parallel to the display panel to the second echelette receiver The multi beam infrared light in direction.
- 9. False orientation method as claimed in claim 8, it is characterised in that the display panel has opposite in the X direction First side and second side, and the 3rd opposite in the Y direction side and four side；The first echelette transmitter is set along the first side, and the first echelette receiver is along described Second side is set；In the optical axis of the optical axis center of the first echelette transmitter and the first echelette receiver The heart is consistent；The second echelette transmitter is set along the 3rd side, and the second echelette receiver is along described Four side is set；In the optical axis of the optical axis center of the second echelette transmitter and the second echelette receiver The heart is consistent.
- 10. False orientation method as claimed in claim 9, it is characterised in thatThe optical axis spacing of the first echelette transmitter and the optical axis spacing of the first echelette receiver are both less than Or equal to the first preset width, all display screens that first preset width includes for the display panel are in the X direction The minimum value of width；The optical axis spacing of the second echelette transmitter and the optical axis spacing of the second echelette receiver are both less than Or equal to the second preset width, all display screens that second preset width includes for the display panel are in the Y direction The minimum value of width.
- 11. False orientation method as claimed in claim 8, it is characterised in that by the first echelette transmitter, described First echelette receiver, the second echelette transmitter and the second echelette receiver are shown with described respectively Show that the difference in height between the surface of panel is less than or equal to pre-computed altitude.
- 12. the False orientation method as described in any claim in claim 8 to 11, it is characterised in that described bad fixed Position on the corresponding display panel of the changed crosspoint of light quantity of bit location positioning infrared light is bad position step bag Include：The infrared signal and institute that the light quantity that photoelectric signal transforming module receives the first echelette receiver changes The infrared signal for stating the light quantity change that the second echelette receiver receives is converted to electric signal；Control module respectively connects according to what the first echelette receiver on the electric signal and the X-direction prestored included The coordinate for each receiving terminal that the second echelette receiver on the coordinate and Y-direction of receiving end includes, draws bad position The coordinate put.
- 13. False orientation method as claimed in claim 12, it is characterised in that further include：The control module is according to The corresponding coordinate range of each display screen obtains the display panel on the coordinate of bad position and display panel set in advance On bad display screen identity identification information.
- 14. False orientation method as claimed in claim 13, it is characterised in that further include：Display module shows described bad The identity identification information of the coordinate of position and the bad display screen.
- 15. a kind of visual inspection apparatus, including visual inspection board, it is characterised in that further include as appointed in claim 1 to 7 False orientation device described in one claim；The visual inspection board, the backlight for checking is provided for carrying display panel, and for the display panel；The False orientation device, for being positioned to the bad position on the display panel.
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| CN201510249467.4A CN104793374B (en) | 2015-05-15 | 2015-05-15 | False orientation device, method and visual inspection apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106773189A (en) * | 2017-03-27 | 2017-05-31 | 武汉华星光电技术有限公司 | The method that macroscopical automatic check machine and lifting display abnormal area measure efficiency |
| CN107053863B (en) * | 2017-04-17 | 2019-07-05 | 京东方科技集团股份有限公司 | Labeling method and device |
| CN107132233B (en) * | 2017-05-25 | 2020-06-12 | 京东方科技集团股份有限公司 | Method and system for verifying bad coordinate position in display panel |
| CN107577070B (en) * | 2017-09-04 | 2019-07-02 | 深圳市华星光电半导体显示技术有限公司 | Obtain the method and defects of liquid crystal display panel positioning device of defects of liquid crystal display panel position |
| CN108318504A (en) * | 2018-02-12 | 2018-07-24 | 京东方科技集团股份有限公司 | Bad position detection device and detection method in display panel |
| CN109051494B (en) * | 2018-06-29 | 2020-11-27 | 北京旷视科技有限公司 | Article monitoring system and method |
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