CN107346066A - Detecting system and its detection method - Google Patents
Detecting system and its detection method Download PDFInfo
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- CN107346066A CN107346066A CN201610297022.8A CN201610297022A CN107346066A CN 107346066 A CN107346066 A CN 107346066A CN 201610297022 A CN201610297022 A CN 201610297022A CN 107346066 A CN107346066 A CN 107346066A
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- circuit substrate
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
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- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A kind of detecting system of the present invention and its detection method, belong to electric circuit inspection technical field, the present invention provides a kind of detecting system, for detecting transparent circuit substrate, the transparent circuit substrate has both sides, and is disposed with circuit pattern in the side of the circuit substrate, by applying voltage to the circuit pattern, the circuit pattern produces horizontal component of electric field, including：Horizontal electric field LCD device, the side of the transparent circuit substrate is arranged on, for showing detection pattern；Backlight, the opposite side of the transparent circuit substrate is arranged on, for providing backlight through the transparent circuit substrate for the liquid crystal display device.The present invention also provides the detection method of the detecting system, can be used for the transparent circuit board that detection can form transverse electric field.
Description
Technical field
The present invention relates to detection field, more particularly to a kind of detecting system and its detection method.
Background technology
Lcd technology is a kind of electro-optic conversion technology, i.e., according to the electric field level for being added in liquid crystal both sides, changes liquid crystal
Ordered state, so as to change the optical path direction by liquid crystal layer, the final light-out effect for changing liquid crystal display device.Liquid crystal
The technology of showing directly can be transformed into different size of electric signal the optical signal of different brightness, so as to be shown as pattern.From liquid crystal
The electro-optical characteristic of Display Technique is counter to be pushed away, and can be judged to be added in the electric field level of liquid crystal both sides according to the optical signal of different brightness.
IPS (In-Plane Switching) lcd technology is rotated using transverse electric field driving liquid crystal molecule, is realized
The display of bright dark picture.As shown in figure 1, IPS liquid crystal display panels include：Down polaroid 601, array base palte 602, color membrane substrates
606, upper polaroid 607, the sandwiched IPS liquid crystal 605 between array base palte 602 and color membrane substrates 606, the work of driving IPS liquid crystal 605
The voltage of work is provided by pixel electrode 603 and public electrode 604.
As shown in Figure 1A, after the backlight as natural light passes through down polaroid 601, rectilinearly polarized light is converted to.Work as picture
When between plain electrode 603 and public electrode 604 without voltage difference is applied, IPS liquid crystal does not rotate, and rectilinearly polarized light is direct
Through liquid crystal 605 and color membrane substrates 606.Due to reaching the polarised light of upper polaroid 607, it polarizes defence line and upper polaroid 607
Polarisation direction of principal axis it is orthogonal, so polarised light is all absorbed, no light can pass through upper polaroid 607, and IPS liquid crystal panels show
It is shown as black.
As shown in Figure 1B, after voltage difference is applied between pixel electrode 603 and public electrode 604, transverse electric field is formed, is driven
Dynamic IPS liquid crystal rotates, through down polaroid 601 after the rectilinearly polarized light that is formed, its polarization direction is changed by liquid crystal layer.This
After a little polarised lights for being changed polarization direction reach upper polaroid 607, a part therein is absorbed by upper polaroid 607, remains
Under a part pass through upper polaroid 607.At this moment, IPS liquid crystal panels are shown as white.
In the prior art, the liquid crystal display mode based on transverse horizontal electric field, the liquid crystal display device of transverse electric field is produced,
Pixel electrode and public electrode are all distributed on array base palte.Conventional does not include the functional electrode such as pixel electrode and public electrode
Lateral electric field type liquid crystal display part be not produced individually into product also, and applied to detection circuit field.
The content of the invention
In view of this, aiming at prior art there are above-mentioned or other problems in the purpose of the present invention, there is provided one kind detection
System and detection method, it efficiently can intuitively detect transparent circuit substrate using lateral electric field type liquid crystal display part, have
There is the advantages of detection method is simple, accuracy of detection is high, cost is low.
In order to reach above-mentioned or other purposes, one aspect of the present invention proposes a kind of detecting system, for detecting transparent electricity
Base board, the transparent circuit substrate has both sides, and is disposed with circuit pattern in the side of the circuit substrate, by the circuit
Pattern applies voltage, and the circuit pattern produces horizontal component of electric field, including：Horizontal electric field LCD device, it is transparent to be arranged on this
The side of circuit substrate, for showing detection pattern；Backlight, the opposite side of the transparent circuit substrate is arranged on, for passing through
The transparent circuit substrate provides backlight for the liquid crystal display device.
Further, the transparent circuit substrate includes a transparency carrier, is disposed with the transparency carrier in regular array
Multiple first electrode patterns and multiple second electrode patterns, by applying voltage, the first electrode pattern and the second electrode figure
Case forms horizontal component of electric field.
Further, the horizontal electric field LCD device includes：First substrate and second substrate, it is right toward each other
Put, liquid crystal layer, be located between the first substrate and the second substrate, liquid crystal molecule rotates horizontally saturating when applying horizontal component of electric field
Light；First alignment film and the second alignment film, it is arranged respectively at opposite opposed first substrate and the inner side table of the second substrate
Face.
Further, the first substrate is disposed in proximity to the transparent circuit substrate side, on the first substrate this first
The alignment direction of alignment film is formed with the horizontal component of electric field direction is more than 0 degree of angle ψ 0 for being less than 90 degree.
Further, in addition to nesa coating, it is configured at the outside of the second substrate.
Further, in addition to the first polaroid and the second polaroid, it is arranged respectively at opposite opposed first substrate
With the outside of the second substrate.
Further, in addition to the first polaroid and the second polaroid, first polaroid configure the light in the backlight
On the outgoing side of source, second polaroid is configured on the outer surface of the second substrate.
Further, the polarizing axis of first polaroid is parallel with the alignment direction of first alignment film, second polarisation
The polarizing axis of piece is parallel with the alignment direction of second alignment film, and the polarizing axis of first polaroid is inclined with second polaroid
Optical axis direction perpendicular quadrature.
In order to reach above-mentioned or other purposes, another aspect of the present invention proposes a kind of detection method, transparent for detecting
Circuit substrate, the transparent circuit substrate has both sides, and is disposed with circuit pattern in the side of the circuit substrate, by the electricity
Road pattern applies voltage, and the circuit pattern produces horizontal component of electric field, including：
Horizontal electric field LCD device is provided, the side of the transparent circuit substrate is arranged on, for according to the circuit
Horizontal component of electric field caused by pattern shows detection pattern；
Backlight is provided, is arranged on the opposite side of the transparent circuit substrate, for being the liquid through the transparent circuit substrate
LCD provides backlight.
Further, when no circuit pattern applies voltage, the liquid crystal display device shows completely black picture or complete white
Picture；When applying voltage to the circuit pattern, liquid crystal display device display detection picture；By the detection picture and standard picture
In face of than, it can be determined that whether the circuit pattern of the transparent circuit substrate normal.
Compared with prior art, the present invention has advantages below：
The present invention by the transparent circuit substrate that can produce transverse electric field by being positioned over IPS either FFS or blue phase etc.
The lower section of liquid crystal display device, driving liquid crystal molecule rotate, and realize the display of bright dark picture.By the display picture for observing liquid crystal cell
Face, it can be determined that whether the line function of transparent circuit board is normal, so that it is determined that whether transparent circuit board can normal work.
Brief description of the drawings
Figure 1A for lateral electric field type liquid crystal display part OFF state in the prior art when dimensional structure diagram；
Figure 1B for lateral electric-field type liquid crystal display panel ON state in the prior art when dimensional structure diagram；
Fig. 2 is the structural representation of the detection means of an implementation column of the invention；
Fig. 3 is the structure of the detecting device schematic diagram of further embodiment of this invention；
Fig. 4 is the display device structural representation for being used to detect in Fig. 2 of the present invention；
Fig. 5 is transparent circuit substrate of the present invention and electricity, the optical parametric relation schematic diagram of display device；
Fig. 6 is the structural representation of the detection means of another implementation column of the present invention；
Fig. 7 is display device structural representation in Fig. 6 of the present invention；
Fig. 8 is back light source structure schematic diagram in Fig. 6 of the present invention；
Fig. 9 is the structural representation of the detection means of the another implementation column of the present invention；
Display device structural representation in Figure 10 Fig. 9 of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
The present invention rather than limitation the scope of the present invention, after the present invention has been read, those skilled in the art are each to the present invention's
The modification of the kind equivalent form of value falls within the application appended claims limited range.
When detecting transparent circuit board using transverse electric field lcd technology, IPS, FFS, blue phase (Blue can be selected
The liquid crystal display mode such as Phase).Preferably, using liquid crystal material used in the IPS liquid crystal display modes of maturation.Wherein,
FFS (Fringe Field Switching) is and the same kind of liquid crystal display modes of IPS.If not otherwise specified, under
Liquid crystal described in face is all IPS liquid crystal.
Fig. 2 is the structural representation of the detection means of an implementation column of the invention, as shown in Fig. 2 the present invention provides a kind of inspection
Device is surveyed, for detecting transparent circuit substrate 200, the transparent circuit substrate 200 has both sides, and is arranged in the circuit substrate
There is circuit pattern, including：Drive circuit 600, for driving the circuit pattern in the transparent circuit substrate 200 to produce laterally electricity
；Lateral electric field type liquid crystal display part 100, the side of the transparent circuit substrate 200 is arranged on, in the effect of the transverse electric field
Lower display detection pattern；Backlight 300, the opposite side of the transparent circuit substrate 200 is arranged on, for passing through the transparent circuitry base
Plate 200 is that the liquid crystal display device 100 provides backlight.
Wherein, liquid crystal display device 100 is a liquid crystal cell without functional electrode, and liquid is given by transparent circuit board 200
Liquid crystal in LCD 100 provides transverse electric field.It is conductive including at least first that circuit pattern is disposed with the circuit substrate
Circuit and the second conducting wire, control are applied to the electricity of the first conducting wire and the second conducting wire in transparent circuit board 200
Pressure, thus it is possible to vary the liquid crystal arrangement state of display device 100, so as to change the brightness of display device 100.
In order to improve detection efficiency, automatic detection scheme as shown in Figure 3 can be used.Fig. 3 is the another implementation of the present invention
The structure of the detecting device schematic diagram of example.Difference with Fig. 2 is one image collector of increase on the display surface of display device 100
Put 400.The image collecting device 400 is arranged in the display detection pattern side of the liquid crystal display device.Image collecting device 400
Can be video camera (CCD), TFT flat panel detectors etc..TFT flat panel detectors are a kind of semiconductor optoelectronic converting devices, including：
The strong and weak light-sensitive material of sensing light, extracts and stores the tft array structure of photo-generated carrier.Image collecting device 400 gathers
The picture shown by display device 100 arrived, is input into computer, is compared by comparing software with standard picture, can
Quickly to judge whether the function of transparent circuit board 200 is normal.For example the specific position of sense wire graphic defects can be accurately positioned
Put.
The viewing area of display device 100 is more than the distribution of transparent circuit board circuit to be detected, can be disposably complete
Detection into display device 100 to transparent circuit board 200.The size of the minimum pattern unit shown on display device 100 with
The thickness of liquid crystal layer of display device 100 is same magnitude.
Fig. 4 show the structural representation of the display device 100 of the implementation column, as shown in figure 4, present invention also offers one
Kind includes successively from bottom to up for the display device detected：First Polarizer 101, first substrate 102, the first alignment film
103, liquid crystal 104, the second alignment film 105, second substrate 106, nesa coating 107, the second Polarizer 108.Nesa coating
107 effect is interference of the electrical signal of shielding observation side to liquid crystal 104.
The alignment direction of first alignment film 103 is parallel with the polarizing axis of the first Polarizer 101, and the second alignment film 105 is matched somebody with somebody
It is parallel with the polarizing axis of the second Polarizer 108 to direction.The polarizing axis of first Polarizer 101 and the second Polarizer 102 can be
Perpendicular relation or parallel relation.Preferably, the polarizing axis of the first Polarizer 101 and the second Polarizer 102
It is perpendicular relation.Preferably, the alignment direction of the first alignment film 103 is orthogonal with the alignment direction of the second alignment film 105.
The alignment direction D1 of the first alignment film 103 in the display device 100 and alignment direction D2 of the second alignment film 105
It is related to the circuit shape of transparent circuit board 200.
As shown in figure 5, the first conducting wire 201 and the parallel opposed of the second conducting wire 202 of transparent circuit board 200, point
A transverse electric field E is formed after not applying different voltage.The first alignment film 103 on corresponding display device 100
Alignment direction D1 and transverse electric field direction shape ψ in an angle0, angle ψ0It is less than 90 degree more than 0 degree.
When in the first conducting wire 201 and the second conducting wire 202 without voltage is applied, liquid crystal is along the first alignment film
103 alignment direction D1 arrangements.After light from backlight 300 passes through the first Polarizer 101, completely through liquid crystal layer
104, finally reach the second Polarizer 108.Because the polarizing axis P2 of the second Polarizer 108 and the first Polarizer 101 polarizing axis
P1 is orthogonal, so, light is all absorbed by the second Polarizer 108, and no light can pass display device 100, display device
100 display black.
The first conducting wire 201 from apply different voltages in the second conducting wire 202 after, liquid crystal is along transverse electric field E
Direction rotate, the voltage difference between the amplitude of rotation and the first conducting wire 201 and the second conducting wire 202 is relevant.Come
From after the light of backlight 300 passes through the first Polarizer 101, polarization direction is changed by liquid crystal layer 104, finally reaches second
Polarizer 108.Because the polarizing axis P2 of the second Polarizer 108 is orthogonal with the polarizing axis P1 of the first Polarizer 101, some light quilt
Second Polarizer 108 absorbs, and some light passes display device 100, and display device 100 shows white.
According to the image shown on display device 100, picture and the standard picture of display are contrasted, it can be determined that thoroughly
Whether the line function of bright circuit board 200 is normal.For example can not normally it show if display device 100 certain a line occurs when showing
Show, illustrate that breaking phenomena occurs for the circuit of the transparent circuit board 200 of this corresponding a line.
The structural representation of the detection means of another implementation column of the present invention is illustrated in figure 6, liquid crystal display device 800 is one
The individual liquid crystal cell without functional electrode, the liquid crystal given by transparent circuit board 200 in liquid crystal display device 800 provide laterally electricity
.Control is applied to the voltage of the first conducting wire and the second conducting wire in transparent circuit board 200, thus it is possible to vary display
The liquid crystal arrangement state of part 800, so as to change the brightness of display device 800.Light source for the display of display device 800 is by backlight
Source 700 provides, and backlight 700 provides uniform linearly polarized light.Line voltage distribution in transparent circuit board 200 is by driving power 600
There is provided.
In order to improve detection efficiency, automatic detection scheme as shown in Figure 3 can be used.The viewing area of display device 800
Domain is more than the distribution of transparent circuit board circuit to be detected, can disposably complete display device 800 to transparent circuit board 200
Detection.The size of the minimum pattern unit shown on display device 800 is same with the thickness of liquid crystal layer of display device 800
Individual magnitude.
Fig. 7 is display device structural representation in Fig. 6 of the present invention.As shown in fig. 7, it is used to detect the invention provides one kind
Display device, include successively from bottom to up：First substrate 801, the first alignment film 802, liquid crystal 803, the second alignment film 804,
Second substrate 805, nesa coating 806, the second Polarizer 807.The effect of nesa coating 806 is to shield the electricity of observation side
Interference of the signal to liquid crystal 803.
Fig. 8 show the structural representation of backlight in Fig. 6 of the present invention.As shown in figure 8, backlight wraps successively from bottom to up
Include：First Polarizer 701, optical film combination 702, light source 703, reflector plate 704.Light source 703 can be LED point light source,
Can be that CCFL (Cold Cathode Fluorescent Lamp, cathode fluorescent tube) line sources or use are led
Area source after tabula rasa.If using the area source after light guide plate, need to set LED or CCFL light in the side of light guide plate
Source.The effect of reflector plate 704 is that the light projected on reflector plate is reflexed to the direction of the first Polarizer 701, there is provided the utilization of light
Efficiency.Light membrane combination 702 generally comprises the blooming pieces such as prismatic lens, diffuser plate, and specific combination is needed according to actual light
Learn requirement and be designed making.The effect of first Polarizer 701 is that the natural light of backlight is switched to linearly polarized light.
The alignment direction of first alignment film 802 is parallel with the polarizing axis of the first Polarizer 701, and the second alignment film 804 is matched somebody with somebody
It is parallel with the polarizing axis of the second Polarizer 807 to direction.The polarizing axis of first Polarizer 701 and the second Polarizer 807 can be
Perpendicular relation or parallel relation.Preferably, the polarizing axis of the first Polarizer 701 and the second Polarizer 807
It is perpendicular relation.Preferably, the alignment direction of the first alignment film 802 is orthogonal with the alignment direction of the second alignment film 804.
The alignment direction D1 of the first alignment film 802 in the display device 800 and alignment direction D2 of the second alignment film 804
It is related to the circuit shape of transparent circuit board 200.Physical relationship is similar to that shown in Fig. 5.
When in the first conducting wire 201 and the second conducting wire 202 without voltage is applied, liquid crystal is along the first alignment film
103 alignment direction D1 arrangements.Polarised light from backlight 700 finally reaches the second Polarizer completely through liquid crystal layer 803
807.Because the polarizing axis P2 of the second Polarizer 807 is orthogonal with the polarizing axis P1 of the first Polarizer 701, light whole quilt
Second Polarizer 807 absorbs, and no light can pass display device 800, and display device 800 shows black.
The first conducting wire 201 from apply different voltages in the second conducting wire 202 after, liquid crystal is along transverse electric field E
Direction rotate, the voltage difference between the amplitude of rotation and the first conducting wire 201 and the second conducting wire 202 is relevant.Come
Polarization direction is changed by liquid crystal layer 803 from the linearly polarized light of backlight 700, finally reaches the second Polarizer 807.Because second
The polarizing axis P2 of Polarizer 807 is orthogonal with the polarizing axis P1 of the first Polarizer 701, and some light is absorbed by the second Polarizer 807,
Some light passes display device 800, and display device 800 shows white.
According to the image shown on display device 800, picture and the standard picture of display are contrasted, it can be determined that thoroughly
Whether the line function of bright circuit board 200 is normal.For example can not normally it show if display device 800 certain a line occurs when showing
Show, illustrate that breaking phenomena occurs for the circuit of the transparent circuit board 200 of this corresponding a line.
Fig. 9 is the structural representation of the detection means of the another implementation column of the present invention.As shown in figure 9, liquid crystal display device 900
It is a liquid crystal cell without functional electrode, the liquid crystal given by transparent circuit board 200 in liquid crystal display device 900 provides laterally
Electric field.Control is applied to the voltage of the first conducting wire and the second conducting wire in transparent circuit board 200, thus it is possible to vary display
The liquid crystal arrangement state of device 900, so as to change the brightness of display device 900.Light source for the display of display device 900 is by carrying on the back
Light source 300 provides, and backlight 300 provides uniform area source.Line voltage distribution in transparent circuit board 200 is by driving power 600
There is provided.Across the first Polarizer 501 between backlight 300 and transparent circuit board 200, it is provided with above display device 900
Second Polarizer 502, the first Polarizer 501 and the second Polarizer 502 are used as separating component, can be according to display device 900
LCD alignment relation, carry out appropriate position adjustment.
In order to improve detection efficiency, automatic detection scheme as shown in Figure 3 can be used.The viewing area of display device 900
Domain is more than the distribution of transparent circuit board circuit to be detected, can disposably complete display device 900 to transparent circuit board 200
Detection.The size of the minimum pattern unit shown on display device 900 is same with the thickness of liquid crystal layer of display device 900
Individual magnitude.
Display device structural representation in Figure 10 Fig. 9 of the present invention.As shown in Figure 10, it is used to detect the invention provides one kind
Display device, include successively from bottom to up：First substrate 901, the first alignment film 902, liquid crystal 903, the second alignment film 904,
Second substrate 905, nesa coating 906, insulating protective layer 907.The effect of nesa coating 906 is to shield the electricity of observation side
Interference of the signal to liquid crystal 903.The effect of insulating protective layer 907 is protection nesa coating 906.
The alignment direction of first alignment film 902 is parallel with the polarizing axis of the first Polarizer 501, and the second alignment film 904 is matched somebody with somebody
It is parallel with the polarizing axis of the second Polarizer 502 to direction.The polarizing axis of first Polarizer 501 and the second Polarizer 502 can be
Perpendicular relation or parallel relation.Preferably, the polarizing axis of the first Polarizer 501 and the second Polarizer 502
It is perpendicular relation.Preferably, the alignment direction of the first alignment film 902 is orthogonal with the alignment direction of the second alignment film 904.
The alignment direction D1 of the first alignment film 902 in the display device 900 and alignment direction D2 of the second alignment film 904
It is related to the circuit shape of transparent circuit board 200.Physical relationship is similar to that shown in Fig. 5.
When in the first conducting wire 201 and the second conducting wire 202 without voltage is applied, liquid crystal is along the first alignment film
903 alignment direction D1 arrangements.Polarised light from backlight 300 finally reaches the second polarisation completely through display device 900
Plate 502.Because the polarizing axis P2 of the second Polarizer 502 is orthogonal with the polarizing axis P1 of the first Polarizer 501, light is whole
Absorbed by the second Polarizer 502, the facilities for observation in the right side of the second Polarizer 502 does not see light, that is, can only see black
The picture of color.
The first conducting wire 201 from apply different voltages in the second conducting wire 202 after, liquid crystal is along transverse electric field E
Direction rotate, the voltage difference between the amplitude of rotation and the first conducting wire 201 and the second conducting wire 202 is relevant.Come
Polarization direction is changed by liquid crystal layer 903 from the linearly polarized light of backlight 300, finally reaches the second Polarizer 502.Because second
The polarizing axis P2 of Polarizer 502 is orthogonal with the polarizing axis P1 of the first Polarizer 501, and some light is absorbed by the second Polarizer 502,
Some light passes the second Polarizer 502, and the facilities for observation in the right side of the second Polarizer 502 is it can be seen that light, i.e., can
See the picture of certain brightness.According to the image shown on display device 900, picture and the standard picture of display are carried out pair
Than, it can be determined that whether the line function of transparent circuit board 200 is normal.Such as if display device 900 show when occur it is a certain
Row can not normally be shown, illustrate that breaking phenomena occurs for the circuit of the transparent circuit board 200 of this corresponding a line.
The undeclared part being related in the present invention is same as the prior art or is realized using prior art.It should refer to
Go out：To those of ordinary skill in the art, under the premise without departing from the principles of the invention, it is every according to the technology of the present invention
Any simple modification, change and the equivalent structure change that essence is made to above example, belong to technical solution of the present invention
Protection domain in.
Claims (10)
1. a kind of detecting system, for detecting transparent circuit substrate, the transparent circuit substrate has both sides, and in the circuit substrate
Side be disposed with circuit pattern, by the circuit pattern apply voltage, the circuit pattern produce horizontal component of electric field, including：
Horizontal electric field LCD device, the side of the transparent circuit substrate is arranged on, for showing detection pattern；
Backlight, the opposite side of the transparent circuit substrate is arranged on, for being the liquid crystal display through the transparent circuit substrate
Part provides backlight.
2. detecting system according to claim 1, it is characterised in that the transparent circuit substrate includes a transparency carrier, should
It is disposed with transparency carrier in multiple first electrode patterns of regular array and multiple second electrode patterns, by applying voltage,
The first electrode pattern forms horizontal component of electric field with the second electrode pattern.
3. detecting system according to claim 2, it is characterised in that the horizontal electric field LCD device includes：The
One substrate and second substrate, opposed toward each other, liquid crystal layer, it is located between the first substrate and the second substrate, applies water
Liquid crystal molecule rotates horizontally printing opacity during ordinary telegram field；First alignment film and the second alignment film, it is arranged respectively at opposite opposed this
The inner surface of one substrate and the second substrate.
4. detecting system according to claim 3, it is characterised in that the first substrate is disposed in proximity to the transparent circuitry base
Plate side, alignment direction and the horizontal component of electric field direction of first alignment film on the first substrate, which are formed, is more than 0 degree less than 90
The angle ψ of degree0。
5. detecting system according to claim 4, it is characterised in that also including nesa coating, be configured at second base
The outside of plate.
6. according to the detecting system described in one of claim 3-5, it is characterised in that also including the first polaroid and the second polarisation
Piece, it is arranged respectively on the outer surface of opposite opposed first substrate and the second substrate.
7. according to the detecting system described in one of claim 3-5, it is characterised in that also including the first polaroid and the second polarisation
Piece, first polaroid are configured on the light source outgoing side of the backlight, and second polaroid is configured in the second substrate
Outside.
8. detecting system according to claim 1, it is characterised in that the polarizing axis of first polaroid and first orientation
The alignment direction of film is parallel, and the polarizing axis of second polaroid is parallel with the alignment direction of second alignment film, first polarisation
The polarisation direction of principal axis perpendicular quadrature of the polarizing axis of piece and second polaroid.
9. a kind of detection method, for detecting transparent circuit substrate, the transparent circuit substrate has both sides, and in the circuit substrate
Side be disposed with circuit pattern, by the circuit pattern apply voltage, the circuit pattern produce horizontal component of electric field, including：
Horizontal electric field LCD device is provided, the side of the transparent circuit substrate is arranged on, for according to the circuit pattern
Caused horizontal component of electric field shows detection pattern；
Backlight is provided, is arranged on the opposite side of the transparent circuit substrate, for being the liquid crystal through the transparent circuit substrate
Show that device provides backlight.
10. detection method according to claim 9, it is characterised in that
When no circuit pattern applies voltage, the liquid crystal display device shows completely black picture or complete white picture；
When applying voltage to the circuit pattern, liquid crystal display device display detection picture；
By the detection picture and standard picture face than, it can be determined that whether the circuit pattern of the transparent circuit substrate normal.
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| CN108153007A (en) * | 2018-01-03 | 2018-06-12 | 京东方科技集团股份有限公司 | The test method of liquid crystal cell test device and liquid crystal display panel |
| CN108957772A (en) * | 2018-07-23 | 2018-12-07 | 张家港康得新光电材料有限公司 | A kind of detection system and detection method of 2D/3D switching module |
| WO2023023900A1 (en) * | 2021-08-23 | 2023-03-02 | 重庆康佳光电技术研究院有限公司 | Backplane detection system and detection method therefor |
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| CN102654659A (en) * | 2012-04-06 | 2012-09-05 | 京东方科技集团股份有限公司 | Device and method for detecting liquid crystal substrate |
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| US6525786B1 (en) * | 1999-11-19 | 2003-02-25 | Nec Corporation | Transverse electric liquid crystal display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108153007A (en) * | 2018-01-03 | 2018-06-12 | 京东方科技集团股份有限公司 | The test method of liquid crystal cell test device and liquid crystal display panel |
| CN108153007B (en) * | 2018-01-03 | 2020-06-19 | 京东方科技集团股份有限公司 | Liquid crystal box testing device and testing method of liquid crystal display panel |
| CN108957772A (en) * | 2018-07-23 | 2018-12-07 | 张家港康得新光电材料有限公司 | A kind of detection system and detection method of 2D/3D switching module |
| CN108957772B (en) * | 2018-07-23 | 2023-03-14 | 张家港康得新光电材料有限公司 | Detection system and detection method for 2D/3D switching module |
| WO2023023900A1 (en) * | 2021-08-23 | 2023-03-02 | 重庆康佳光电技术研究院有限公司 | Backplane detection system and detection method therefor |
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