CN104793374A - False positioning device and method and visual check device - Google Patents
False positioning device and method and visual check device Download PDFInfo
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- CN104793374A CN104793374A CN201510249467.4A CN201510249467A CN104793374A CN 104793374 A CN104793374 A CN 104793374A CN 201510249467 A CN201510249467 A CN 201510249467A CN 104793374 A CN104793374 A CN 104793374A
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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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention provides a false positioning device and method and a visual check device. The false positioning device is used for positioning a false position on a display panel and comprises a first infrared grating emitter, a second infrared grating emitter, a marking unit and a false positioning unit, wherein a plurality of beams of infrared light emitted from the first infrared grating emitter and a plurality of beams of infrared light emitted from the second infrared grating emitter have crosspoints which correspond to display screens of the display panel; the marking unit is used for shielding infrared light at the crosspoints corresponding to the false positions when the condition that the display panel has faults is detected; the false positioning unit is used for confirming that the positions on a display surface corresponding to the crosspoints on which the light amount of the infrared light is changed are the false positions. By adopting the false positioning device, the false positions on the display panel and identity recognition information of a false display screen can be automatically confirmed, the efficiency can be improved, and the accuracy rate can be improved.
Description
Technical field
The present invention relates to display base plate detection technique field, particularly relate to a kind of False orientation device, method and visual inspection apparatus.
Background technology
Visual inspection apparatus is used for the inspection operation in display device manufacturing process, mainly act on the display panel comprising multiple display screen without cutting formed after glass substrate becomes box, record result by the bad position on display panel described in personnel's visual detection.Current existing visual inspection apparatus needs manually to contrast display panel to be measured to determine ID (Identity, the identification) information of the bad display screen of bad position and correspondence after personnel have detected.Such as, liquid crystal display device manufactures six foundries when production 3.97 cun of products, the number of display screen comprised without individual display panel of cutting is 494, detect that display panel has bad and is recorded as example in visual examination operation with operating personnel, operating personnel needs to determine bad Panel (display screen) position on a display panel by number row with the mode of column position, and contrasts PanelID distribution on a display panel to determine the id information of bad display screen.
In addition, existing visual examination equipment cannot determine the bad position on display panel automatically when personnel detect and display panel exists bad, if need to determine that bad particular location can only by manual measurement and record.Comprehensive above 2 existing visual inspection apparatus of factor mainly contain following deficiency:
1, bad position display panel checked out and id information need manual confirmation, have a strong impact on work efficiency when the small-size product more to substrate number carries out visual examination;
2, artificial judge that display panel checks out bad position and id information there is operating personnel and slip up and the problem that affects statistics correctness;
3, equipment None-identified record bad position, can only be realized by manual measurement, affect work efficiency and statistics integrality.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of False orientation device, method and visual inspection apparatus, solves in prior art and manually can only determine bad position information on display panel thus efficiency and the low problem of accuracy.
In order to achieve the above object, the invention provides a kind of False orientation device, for positioning the bad position on display panel, described False orientation device comprises the first echelette transmitter, the second echelette transmitter, indexing unit and False orientation unit, wherein
The multi beam infrared light that described first echelette transmitter is launched and the multi beam infrared light that the second echelette transmitter is launched have the joining corresponding respectively to each display screen that described display panel comprises;
Described indexing unit, for blocking the infrared light at the joining place corresponding with bad position when detecting that display panel exists bad;
Described False orientation unit, for determining that the position on the display panel that joining that the light quantity of infrared light changes is corresponding is bad position.
During enforcement, False orientation device of the present invention also comprises the first echelette receiver and the second echelette receiver;
Described first echelette transmitter, specifically for launching to described first echelette receiver the multi beam infrared light being parallel to the X-direction of described panel surface;
Described second echelette transmitter, specifically for launching to described second echelette receiver the multi beam infrared light being parallel to the Y-direction of described panel surface.
During enforcement, described display panel has first side relative in the X direction and second side, and the 3rd relative in the Y direction side and four side;
Described first echelette transmitter is arranged along described first side, and described first echelette receiver is arranged along described second side; The optical axis center of described first echelette transmitter is consistent with the optical axis center of described first echelette receiver;
Described second echelette transmitter is arranged along described 3rd side, and described second echelette receiver is arranged along described four side; The optical axis center of described second echelette transmitter is consistent with the optical axis center of described second echelette receiver.
During enforcement, the optical axis spacing of described first echelette transmitter and the optical axis spacing of described first echelette receiver are all less than or equal to the first preset width, and described first preset width is the minimum value of all display screens width in the X direction that described display panel comprises;
The optical axis spacing of described second echelette transmitter and the optical axis spacing of described second echelette receiver are all less than or equal to the second preset width, and described second preset width is the minimum value of all display screens width in the Y direction that described display panel comprises.
During enforcement, the infrared light that described first echelette transmitter is launched and the distance of infrared light respectively and between the surface of described display panel that described second echelette transmitter sends all are less than or equal to preset distance.
During enforcement, described False orientation unit comprises:
Photoelectric signal transforming module, is characterized in that, the infrared signal of the infrared signal that the light quantity for being received by described first echelette receiver changes and the light quantity change that described second echelette receiver receives is converted to electric signal;
And, control module, the coordinate of each receiving end that the described second echelette receiver on the coordinate of each receiving end that comprises according to the described first echelette receiver on this electric signal and the X-direction that prestores and Y-direction comprises, draws the coordinate of bad position.
During enforcement, described control module, is further used for the identity identification information that the coordinate range corresponding with each display screen on the display panel preset according to the coordinate of described bad position obtains described bad display screen.
During enforcement, False orientation device of the present invention also comprises display module, for the identity identification information of the coordinate and described bad display screen that show described bad position.
Present invention also offers a kind of False orientation method, for positioning the bad position on display panel, described False orientation method comprises:
Multi beam infrared light launched respectively by first echelette transmitter and the second echelette transmitter; The multi beam infrared light that described first echelette transmitter is launched and the multi beam infrared light that described second echelette transmitter is launched have the joining corresponding respectively to each display screen that described display panel comprises;
When detecting that display panel exists bad, indexing unit blocks the infrared light at the joining place corresponding with bad position;
Position on the display panel that the joining that the light quantity of False orientation unit determination infrared light changes is corresponding is bad position.
During enforcement, described first echelette transmitter and the second echelette transmitter are launched multi beam infrared light step respectively and are specifically comprised:
The multi beam infrared light being parallel to the X-direction on the surface of described display panel launched by described first echelette transmitter to the first echelette receiver;
The multi beam infrared light being parallel to the Y-direction on the surface of described display panel launched by described second echelette transmitter to the second echelette receiver.
During enforcement, described display panel has first side relative in the X direction and second side, and the 3rd relative in the Y direction side and four side;
Described first echelette transmitter is arranged along described first side, and described first echelette receiver is arranged along described second side; The optical axis center of described first echelette transmitter is consistent with the optical axis center of described first echelette receiver;
Described second echelette transmitter is arranged along described 3rd side, and described second echelette receiver is arranged along described four side; The optical axis center of described second echelette transmitter is consistent with the optical axis center of described second echelette receiver.
During enforcement, the optical axis spacing of described first echelette transmitter and the optical axis spacing of described first echelette receiver are all less than or equal to the first preset width, and described first preset width is the minimum value of all display screens width in the X direction that described display panel comprises;
The optical axis spacing of described second echelette transmitter and the optical axis spacing of described second echelette receiver are all less than or equal to the second preset width, and described second preset width is the minimum value of all display screens width in the Y direction that described display panel comprises.
During enforcement, be less than or equal to pre-computed altitude by described first echelette transmitter, described first echelette receiver, described second echelette transmitter and the difference in height of described second echelette receiver respectively and between the surface of described display panel.
During enforcement, the position on the display panel that the joining that the light quantity of described False orientation cell location infrared light changes is corresponding is that bad position step comprises:
The infrared signal of the light quantity change that the infrared signal of the light quantity change that described first echelette receiver receives by photoelectric signal transforming module and described second echelette receiver receive is converted to electric signal;
The coordinate of each receiving end that the described second echelette receiver in the coordinate of each receiving end that control module comprises according to the described first echelette receiver on this electric signal and the X-direction that prestores and Y-direction comprises, draws the coordinate of bad position.
During enforcement, False orientation method of the present invention also comprises: the described control module coordinate range corresponding according to each display screen on the coordinate of described bad position and the display panel that presets obtains the identity identification information of described bad display screen.
During enforcement, False orientation method of the present invention also comprises: display module shows the coordinate of described bad position and the identity identification information of described bad display screen.
Present invention also offers a kind of visual inspection apparatus, comprise visual examination board, also comprise above-mentioned False orientation device;
Described visual examination board for carrying display panel, and is the backlight that described display panel is provided for checking;
Described False orientation device, for positioning the bad position on described display panel.
Compared with prior art, False orientation device of the present invention, method and visual inspection apparatus, by adopting the first echelette transmitter and the second echelette transmitter, the multi beam infrared light that the multi beam infrared light that described first echelette transmitter is launched and the second echelette transmitter are launched has the joining corresponding respectively to each display screen that described display panel comprises, the infrared light at the joining place corresponding with described bad position is blocked by indexing unit, the joining that then False orientation unit can change according to the light quantity of infrared light determines corresponding bad position, thus realize automatically determining bad position in display panel inspection, and can raise the efficiency and accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the False orientation device described in the present invention one specific embodiment;
Fig. 2 is the structured flowchart of a specific embodiment of the False orientation unit that False orientation device of the present invention comprises;
Fig. 3 is the process flow diagram of the False orientation method described in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
False orientation device described in the embodiment of the present invention, for positioning the bad position on display panel, described False orientation device comprises the first echelette transmitter, the second echelette transmitter, indexing unit and False orientation unit, wherein,
The multi beam infrared light that described first echelette transmitter is launched and the multi beam infrared light that the second echelette transmitter is launched have the joining corresponding respectively to each display screen that described display panel comprises;
Described indexing unit, for blocking the infrared light at the joining place corresponding with bad position when detecting that display panel exists bad;
Described False orientation unit, for determining that the position on the display panel that joining that the light quantity of infrared light changes is corresponding is bad position.
False orientation device described in the embodiment of the present invention, by adopting the first echelette transmitter and the second echelette transmitter, the multi beam infrared light that the multi beam infrared light that described first echelette transmitter is launched and the second echelette transmitter are launched has the joining corresponding respectively to each display screen that described display panel comprises, the infrared light at the joining place corresponding with bad position is blocked by indexing unit, the joining that then False orientation unit can change according to the light quantity of infrared light determines the bad position on corresponding display panel, thus realize automatically determining bad position in display panel inspection, and can raise the efficiency and accuracy.
Concrete, the False orientation device described in the embodiment of the present invention, also comprises the first echelette receiver and the second echelette receiver;
Described first echelette transmitter, specifically for launching to described first echelette receiver the multi beam infrared light being parallel to the X-direction of described panel surface;
Described second echelette transmitter, specifically for launching to described second echelette receiver the multi beam infrared light being parallel to the Y-direction of described panel surface; X-direction is vertical with Y-direction.
Described first echelette transmitter and described first echelette receiver form the first correlation echelette system, described second echelette transmitter and described second echelette receiver form the second correlation echelette system, the direction of multi beam infrared light that first echelette transmitter is launched in the specific implementation can be vertical with the direction that multi beam infrared light launched by described second echelette transmitter, to form an orthogonal coordinate system; But the direction that multi beam infrared light can be launched with described second echelette transmitter in the direction of the multi beam infrared light that the first echelette transmitter is launched when practical operation also can out of plumb, as long as the multi beam infrared light corresponding to multi beam infrared light that described in each display screen on display panel, the first echelette transmitter is launched and the transmitting of the second echelette transmitter has at least one joining.
Concrete, described display panel has first side relative in the X direction and second side, and the 3rd relative in the Y direction side and four side;
Described first echelette transmitter is arranged along described first side, and described first echelette receiver is arranged along described second side; The optical axis center of described first echelette transmitter is consistent with the optical axis center of described first echelette receiver;
Described second echelette transmitter is arranged along described 3rd side, and described second echelette receiver is arranged along described four side.The optical axis center of described first echelette transmitter is consistent with the optical axis center of described first echelette receiver, can ensure that the infrared light that the first echelette transmitter is launched can be received by the first echelette receiver like this; The optical axis center of described second echelette transmitter is consistent with the optical axis center of described second echelette receiver, can ensure that the infrared light that the second echelette transmitter is launched can be received by the second echelette receiver like this.
Concrete, the optical axis spacing of described first echelette transmitter and the optical axis spacing of described first echelette receiver are all less than or equal to the display screen minimum widith in the X direction that described display panel comprises; The optical axis spacing of described second echelette transmitter and the optical axis spacing of described second echelette receiver are all less than or equal to the display screen minimum widith in the Y direction that described display panel comprises, determine that each display screen that described display panel comprises can determine position by the echelette of the echelette of corresponding X-direction and Y-direction like this, the precision that the bad position on display panel detects can be improved.
Concrete, the infrared light that described first echelette transmitter is launched and the distance of infrared light respectively and between the surface of described display panel that described second echelette transmitter sends all are less than or equal to preset distance, the hypertelorism of the infrared light that the infrared light launched to avoid described first echelette transmitter and described second echelette transmitter send respectively and between the surface of described display panel and to cause the bad position on display panel to be obtained a result inaccurate.
Concrete, described False orientation unit comprises:
Photoelectric signal transforming module, the infrared signal of the infrared signal that the light quantity for being received by described first echelette receiver changes and the light quantity change that described second echelette receiver receives is converted to electric signal;
And, control module, the coordinate of each receiving end that the described second echelette receiver on the coordinate of each receiving end that comprises according to the described first echelette receiver on this electric signal and the X-direction that prestores and Y-direction comprises, draws the coordinate of bad position.
According to a specific embodiment, False orientation device of the present invention is described below.This specific embodiment of the present invention provides and a kind ofly in display panel checking process, carries out automatic location and the device of id information confirming bad display screen to the bad orthogonal echelette positioning unit of application that detects.
This specific embodiment is by adding a set of correlation echelette system respectively in the X-direction and Y-direction that are parallel to the visual examination board plane that existing visual inspection apparatus comprises, to provide a kind of visual inspection apparatus automatically can determining the id information of the bad display screen at bad position and this bad position place on display panel.
As shown in Figure 1, the False orientation device described in this specific embodiment of the present invention, for positioning the bad position on display panel 10;
Described display panel 10 comprises and has first side relative in the X direction and second side, and the 3rd relative in the Y direction side and four side;
Described False orientation device comprises the first echelette transmitter 11 arranged along described first side, the first echelette receiver 12 arranged along described second side, the second echelette transmitter 13 arranged along described 3rd side, the second infrared remote receiver 14, indexing unit (not showing in Fig. 1) and the False orientation unit (not showing in Fig. 1) that arrange along described four side;
Described first echelette transmitter 11, specifically for launching to described first echelette receiver 12 the multi beam infrared light being parallel to the X-direction on described display panel 10 surface;
Described second echelette transmitter 13, specifically for launching to described second echelette receiver 14 the multi beam infrared light being parallel to the Y-direction on described display panel 10 surface; X-direction is vertical with Y-direction;
The multi beam infrared light that described first echelette transmitter 11 is launched and the multi beam infrared light that the second echelette transmitter 13 is launched have the joining corresponding respectively to each display screen that described display panel comprises;
In this specific embodiment, the direction of multi beam infrared light that the first echelette transmitter 11 is launched can be vertical with the direction that multi beam infrared light launched by described second echelette transmitter 13, to form an orthogonal coordinate system;
The optical axis center of described first echelette transmitter 11 is consistent with the optical axis center of described first echelette receiver 12, can ensure that the infrared light that the first echelette transmitter 11 is launched can be received by the first echelette receiver 12 like this;
The optical axis center of described second echelette transmitter 13 is consistent with the optical axis center of described second echelette receiver 14, can ensure that the infrared light that the second echelette transmitter 13 is launched can be received by the second echelette receiver 14 like this.
The optical axis spacing of described first echelette transmitter 11 and the optical axis spacing of described first echelette receiver 12 are all less than or equal to the first preset width; The optical axis spacing of described second echelette transmitter and the optical axis spacing of described second echelette receiver are all less than or equal to the second preset width; Described first preset width is the display screen minimum widith in the X direction that described display panel comprises, described second preset width is the display screen minimum widith in the Y direction that described display panel comprises, and can improve the precision that the bad position on display panel detects like this; Current echelette optical axis spacing generally can accomplish 10mm (millimeter) below, can the requirement determined of the id information of corresponding small-size product visual examination False orientation and bad display screen;
The infrared light that described first echelette transmitter 11 is launched and the distance of infrared light respectively and between the surface of described display panel 10 that described second echelette transmitter 13 sends all are less than or equal to preset distance (described preset distance such as can for 50mm), the hypertelorism of the infrared light that the infrared light launched to avoid described first echelette transmitter 11 and described second echelette transmitter 13 send respectively and between the surface of described display panel 10 and to cause bad position to be obtained a result inaccurate;
Described indexing unit (do not show in Fig. 1, described indexing unit can be such as marker pen or other devices that can indicate), for blocking the infrared light at the joining place corresponding with described bad position when detecting that display panel exists bad;
Described False orientation unit (not showing in Fig. 1), for determining the id information of bad position corresponding to joining that the light quantity of infrared light changes and corresponding bad display screen;
As shown in Figure 2, described False orientation unit comprises photoelectric signal transforming module 21, control module 22 and display module 23;
Described photoelectric signal transforming module 21, the infrared signal of the light quantity change that the infrared signal changed for the light quantity received by described first echelette receiver 12 and described second echelette receiver 14 receive is converted to electric signal, and sends this electric signal to described control module 22;
Described control module 22, the coordinate of each receiving end that the described second echelette receiver on the coordinate of each receiving end that comprises according to the described first echelette receiver on this electric signal and the X-direction that prestores and Y-direction comprises, draw the coordinate of bad position, the id information of described bad display screen (display screen that described bad display screen and described bad position are positioned at) can also be obtained by the coordinate range corresponding according to each display screen on this coordinate and the display panel preset, and the id information of the coordinate of described bad position and bad display screen is sent to described display module 23,
Described display module 23, for showing the display screen distribution plan that described display panel comprises, and shows the coordinate of described bad position and the id information of described bad display screen.
Visual inspection apparatus described in the embodiment of the present invention, comprises visual examination board and above-mentioned False orientation device;
Described visual examination board for carrying display panel, and is the backlight that described display panel is provided for checking;
Described False orientation device, for positioning the bad position on described display panel.
More specifically, display panel visual inspection apparatus described in the embodiment of the present invention also comprises board backlight and board turning axle, in visual examination process, first display panel is placed on visual examination board by mechanical arm, then via described board turning axle, display panel is rotated to vertical position by horizontal level, such supervisory personnel just can carry out visual examination to display panel for hand-held polaroid under the effect of described board backlight, and the concrete implementation step of the visual inspection apparatus described in the embodiment of the present invention is as follows:
At control software design inediting display screen distribution coordinate information on a display panel and id information;
Display panel transports into visual examination equipment via mechanical arm, and overturns and move to inspection position, and operating personnel starts to detect;
Operating personnel judges that the objects such as bad rear usage flag pen mark at the certain area (regional extent is greater than echelette perceived accuracy) of bad display screen surface, thus changes the infrared receiver light quantity of respective regions echelette receiver in mark course of action;
The light signal of infrared receiver light quantity change is converted to through photoelectric conversion module the electric signal that terminal can identify, and transfers to control module;
Control module judges to receive the echelette receiver point coordinate position of light quantity change and record according to the electric signal received, and the display screen edited in early stage of contrast simultaneously distribution coordinate information on a display panel and id information determine the id information of bad display screen;
The bad display screen of difference display on display module, and after selecting bad code by operating personnel, a display panel visual examination job completes.
As shown in Figure 3, the False orientation method described in the embodiment of the present invention, for positioning the bad position on display panel, described False orientation method comprises:
Step 31: multi beam infrared light launched respectively by the first echelette transmitter and the second echelette transmitter; The multi beam infrared light that described first echelette transmitter is launched and the multi beam infrared light that described second echelette transmitter is launched have the joining corresponding respectively to each display screen that described display panel comprises;
Step 32: when detecting that described display panel exists bad, indexing unit blocks the infrared light at the joining place corresponding with bad position;
Step 33: the id information of the bad position that the joining that the light quantity of False orientation unit determination infrared light changes is corresponding and bad display screen.
Concrete, described first echelette transmitter and the second echelette transmitter are launched multi beam infrared light step respectively and are specifically comprised:
The multi beam infrared light being parallel to the X-direction on the surface of described display panel launched by described first echelette transmitter to the first echelette receiver;
The multi beam infrared light being parallel to the Y-direction on the surface of described display panel launched by described second echelette transmitter to the second echelette receiver.
Concrete, described display panel has first side relative in the X direction and second side, and the 3rd relative in the Y direction side and four side;
Described first echelette transmitter is arranged along described first side, and described first echelette receiver is arranged along described second side; The optical axis center of described first echelette transmitter is consistent with the optical axis center of described first echelette receiver;
Described second echelette transmitter is arranged along described 3rd side, and described second echelette receiver is arranged along described four side; The optical axis center of described second echelette transmitter is consistent with the optical axis center of described second echelette receiver.
Concrete, the optical axis spacing of described first echelette transmitter and the optical axis spacing of described first echelette receiver are all less than or equal to the display screen minimum widith in the X direction that described display panel comprises; The optical axis spacing of described second echelette transmitter and the optical axis spacing of described second echelette receiver are all less than or equal to the display screen minimum widith in the Y direction that described display panel comprises.
Concrete, be less than or equal to pre-computed altitude by described first echelette transmitter, described first echelette receiver, described second echelette transmitter and the difference in height of described second echelette receiver respectively and between the surface of described display panel.
Concrete, the position on the display panel that the joining that the light quantity of described False orientation unit determination infrared light changes is corresponding is that bad position step comprises:
The infrared signal of the light quantity change that the infrared signal of the light quantity change that described first echelette receiver receives by photoelectric signal transforming module and described second echelette receiver receive is converted to electric signal;
The coordinate of each receiving end that the described second echelette receiver in the coordinate of each receiving end that control module comprises according to the described first echelette receiver on this electric signal and the X-direction that prestores and Y-direction comprises, draws the coordinate of the position that the light quantity of infrared light changes.
Concrete, False orientation method of the present invention also comprises: the described control module coordinate range corresponding according to each display screen on the coordinate of described bad position and the display panel that presets obtains the identity identification information of described bad display screen.
Concrete, False orientation method of the present invention also comprises: display module shows the coordinate of described bad position and the identity identification information of described bad display screen.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (17)
1. a False orientation device, for positioning the bad position on display panel, is characterized in that, described False orientation device comprises the first echelette transmitter, the second echelette transmitter, indexing unit and False orientation unit, wherein,
The multi beam infrared light that described first echelette transmitter is launched and the multi beam infrared light that the second echelette transmitter is launched have the joining corresponding respectively to each display screen that described display panel comprises;
Described indexing unit, for blocking the infrared light at the joining place corresponding with bad position when detecting that display panel exists bad;
Described False orientation unit, for determining that the position on the display panel that joining that the light quantity of infrared light changes is corresponding is bad position.
2. False orientation device as claimed in claim 1, is characterized in that, also comprise the first echelette receiver and the second echelette receiver;
Described first echelette transmitter, specifically for launching to described first echelette receiver the multi beam infrared light being parallel to the X-direction of described panel surface;
Described second echelette transmitter, specifically for launching to described second echelette receiver the multi beam infrared light being parallel to the Y-direction of described panel surface.
3. False orientation device as claimed in claim 2, it is characterized in that, described display panel has first side relative in the X direction and second side, and the 3rd relative in the Y direction side and four side;
Described first echelette transmitter is arranged along described first side, and described first echelette receiver is arranged along described second side; The optical axis center of described first echelette transmitter is consistent with the optical axis center of described first echelette receiver;
Described second echelette transmitter is arranged along described 3rd side, and described second echelette receiver is arranged along described four side; The optical axis center of described second echelette transmitter is consistent with the optical axis center of described second echelette receiver.
4. False orientation device as claimed in claim 2, is characterized in that,
The optical axis spacing of described first echelette transmitter and the optical axis spacing of described first echelette receiver are all less than or equal to the first preset width, and described first preset width is the minimum value of all display screens width in the X direction that described display panel comprises;
The optical axis spacing of described second echelette transmitter and the optical axis spacing of described second echelette receiver are all less than or equal to the second preset width, and described second preset width is the minimum value of all display screens width in the Y direction that described display panel comprises.
5. False orientation device as claimed in claim 2, it is characterized in that, the infrared light that described first echelette transmitter is launched and the distance of infrared light respectively and between the surface of described display panel that described second echelette transmitter sends all are less than or equal to preset distance.
6. the False orientation device as described in claim arbitrary in claim 2 to 5, is characterized in that, described False orientation unit comprises:
Photoelectric signal transforming module, is characterized in that, the infrared signal of the infrared signal that the light quantity for being received by described first echelette receiver changes and the light quantity change that described second echelette receiver receives is converted to electric signal;
And, control module, the coordinate of each receiving end that the described second echelette receiver on the coordinate of each receiving end that comprises according to the described first echelette receiver on this electric signal and the X-direction that prestores and Y-direction comprises, draws the coordinate of bad position.
7. False orientation device as claimed in claim 6, it is characterized in that, described control module, is further used for the identity identification information that the coordinate range corresponding with each display screen on the display panel preset according to the coordinate of described bad position obtains the bad display screen on described display panel.
8. False orientation device as claimed in claim 7, is characterized in that, also comprise display module, for the identity identification information of the coordinate and described bad display screen that show described bad position.
9. a False orientation method, for positioning the bad position on display panel, is characterized in that, described False orientation method comprises:
Multi beam infrared light launched respectively by first echelette transmitter and the second echelette transmitter; The multi beam infrared light that described first echelette transmitter is launched and the multi beam infrared light that described second echelette transmitter is launched have the joining corresponding respectively to each display screen that described display panel comprises;
When detecting that display panel exists bad, indexing unit blocks the infrared light at the joining place corresponding with bad position;
Position on the display panel that the joining that the light quantity of False orientation unit determination infrared light changes is corresponding is bad position.
10. False orientation method as claimed in claim 9, it is characterized in that, described first echelette transmitter and the second echelette transmitter are launched multi beam infrared light step respectively and are specifically comprised:
The multi beam infrared light being parallel to the X-direction on the surface of described display panel launched by described first echelette transmitter to the first echelette receiver;
The multi beam infrared light being parallel to the Y-direction on the surface of described display panel launched by described second echelette transmitter to the second echelette receiver.
11. False orientation methods as claimed in claim 10, it is characterized in that, described display panel has first side relative in the X direction and second side, and the 3rd relative in the Y direction side and four side;
Described first echelette transmitter is arranged along described first side, and described first echelette receiver is arranged along described second side; The optical axis center of described first echelette transmitter is consistent with the optical axis center of described first echelette receiver;
Described second echelette transmitter is arranged along described 3rd side, and described second echelette receiver is arranged along described four side; The optical axis center of described second echelette transmitter is consistent with the optical axis center of described second echelette receiver.
12. False orientation methods as claimed in claim 11, is characterized in that,
The optical axis spacing of described first echelette transmitter and the optical axis spacing of described first echelette receiver are all less than or equal to the first preset width, and described first preset width is the minimum value of all display screens width in the X direction that described display panel comprises;
The optical axis spacing of described second echelette transmitter and the optical axis spacing of described second echelette receiver are all less than or equal to the second preset width, and described second preset width is the minimum value of all display screens width in the Y direction that described display panel comprises.
13. False orientation methods as claimed in claim 10, it is characterized in that, be less than or equal to pre-computed altitude by described first echelette transmitter, described first echelette receiver, described second echelette transmitter and the difference in height of described second echelette receiver respectively and between the surface of described display panel.
14. False orientation methods as described in claim arbitrary in claim 10 to 13, is characterized in that, the position on the display panel that the joining that the light quantity of described False orientation cell location infrared light changes is corresponding is that bad position step comprises:
The infrared signal of the light quantity change that the infrared signal of the light quantity change that described first echelette receiver receives by photoelectric signal transforming module and described second echelette receiver receive is converted to electric signal;
The coordinate of each receiving end that the described second echelette receiver in the coordinate of each receiving end that control module comprises according to the described first echelette receiver on this electric signal and the X-direction that prestores and Y-direction comprises, draws the coordinate of bad position.
15. False orientation methods as claimed in claim 14, it is characterized in that, also comprise: the described control module coordinate range corresponding according to each display screen on the coordinate of described bad position and the display panel that presets obtains the identity identification information of the bad display screen on described display panel.
16. False orientation methods as claimed in claim 15, is characterized in that, also comprise: display module shows the coordinate of described bad position and the identity identification information of described bad display screen.
17. 1 kinds of visual inspection apparatus, comprise visual examination board, it is characterized in that, also comprise the False orientation device as described in claim arbitrary in claim 1 to 8;
Described visual examination board for carrying display panel, and is the backlight that described display panel is provided for checking;
Described False orientation device, for positioning the bad position on described 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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