CN108957772A - A kind of detection system and detection method of 2D/3D switching module - Google Patents
A kind of detection system and detection method of 2D/3D switching module Download PDFInfo
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- CN108957772A CN108957772A CN201810811615.0A CN201810811615A CN108957772A CN 108957772 A CN108957772 A CN 108957772A CN 201810811615 A CN201810811615 A CN 201810811615A CN 108957772 A CN108957772 A CN 108957772A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/286—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
Abstract
The embodiment of the present invention provides the detection system and detection method of a kind of 2D/3D switching module, the detection system of 2D/3D switching module, comprising: light source；First polarizer；Second polarizer；2D/3D switching module to be measured is placed between the first polarizer and the second polarizer；Transmissivity measurement device is located at the second polarizer far from light source side, and the light for obtaining light source sending passes through the transmitance after the first polarizer, 2D/3D switching module to be measured and the second polarizer；Time set is electrically connected with Transmissivity measurement device, is powered and the temporal information in power process for obtaining 2D/3D switching module to be measured；Data processing equipment is electrically connected with Transmissivity measurement device and time set, for according to transmitance and temporal information determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time.The embodiment of the present invention accurate measurements and can carry out numerical quantization and automatic intelligent, improve detection efficiency to realize the error for avoiding human eye from judging.
Description
Technical field
The present embodiments relate to the detection systems and detection side of display technology more particularly to a kind of 2D/3D switching module
Method.
Background technique
Fig. 1 is a kind of structural schematic diagram of 2D/3D switching module, and 2D/3D switching module is generally attached at display panel
Emission side, so as to realize 2D (two dimension) display and 3D (three-dimensional) display.2D/3D switching module successively includes first substrate
11, first electrode 12, visor resolution element 13, the first both alignment layers 14, liquid crystal layer 15, the second both alignment layers 16,17 and of second electrode
The second substrate 18,2D/3D switching module further include sealant 19, sealant 19 be located at first electrode 12 and second electrode 17 it
Between.It include multiple liquid crystal molecules, the electric field that liquid crystal molecule can be generated in first electrode 12 and second electrode 17 in liquid crystal layer 15
The lower overturning of effect can realize the switching of 2D mode and 3D mode by controlling energization and the power-off of 2D/3D switching module.
After production forms 2D/3D switching module, generally require to detect the 2D/3D switching module that production is formed,
To guarantee product quality.And the detection of existing 2D/3D switching module is directly observed often through human eye whether to judge product
Well, but the mode directly observed of human eye there are problems: under energized state, the switching time of 2D mode to 3D mode is too
It is short, it visually almost can not accurately differentiate, switching time visually about 2s~5s of the 3D mode to 2D mode, but product under off-position
Picture display interface difference on effect is not obvious, and it is larger personal error's situation occur, can not accurately be surveyed using visual type at present
Switching time between fixed output quota product 2D mode and 3D mode, quantized data effective Feedback properties of product and quality are not available it；Human eye is straight
The mode labor intensive cost of observation is connect, while the testing time is longer, unfavorable product production capacity beat is promoted.
Summary of the invention
The embodiment of the present invention provides the detection system and detection method of a kind of 2D/3D switching module, avoids human eye to realize
The error of judgement accurate measurements and can carry out numerical quantization and automatic intelligent, improve detection efficiency.
In a first aspect, the embodiment of the present invention provides a kind of detection system of 2D/3D switching module, comprising:
Light source；
First polarizer is located at the light source side；
Second polarizer is located at first polarizer far from the light source side；2D/3D switching module to be measured is placed in
Between first polarizer and second polarizer；
Transmissivity measurement device is located at second polarizer far from the light source side, for obtaining the light source hair
Light out passes through the transmitance after first polarizer, the 2D/3D switching module to be measured and second polarizer；
Time set is electrically connected with the Transmissivity measurement device, is powered for obtaining the 2D/3D switching module to be measured
With the temporal information in power process；
Data processing equipment is electrically connected with the Transmissivity measurement device and the time set, for according to
The light that light source issues passes through the transmission after first polarizer, the 2D/3D switching module to be measured and second polarizer
Rate and the 2D/3D switching module to be measured are powered and determine 2D pattern switching to 3D mode with the temporal information in power process
The switching time of switching time and 3D pattern switching to 2D mode.
Optionally, the data processing equipment includes:
Drawing of Curve unit, the light for being issued according to the light source pass through first polarizer, the 2D/3D to be measured
In transmitance and the 2D/3D switching module energization to be measured and power process after switching module and second polarizer
Temporal information forms transmitance-time changing curve；
Transmitance value determination unit, for obtaining the 2D/3D switching module to be measured according to transmitance-time changing curve
Be powered and power process described in the light that issues of light source pass through the first polarizer, the 2D/3D switching module to be measured and described the
The time that maximum transmission value and minimum transmitance value after two polarizers occur；
Response time determination unit, for being powered and light described in power process according to the 2D/3D switching module to be measured
The light that source issues passes through the maximum transmission after the first polarizer, the 2D/3D switching module to be measured and second polarizer
The time that value and minimum transmitance value occur determines 2D pattern switching to the switching time of 3D mode and 3D pattern switching to 2D
The switching time of mode.
Optionally, the 2D/3D switching module to be measured includes first substrate, liquid crystal layer and the second substrate, the liquid crystal layer
Between the first substrate and the second substrate；The side that the first substrate closes on the liquid crystal layer is provided with first
Both alignment layers, the side that the second substrate closes on the liquid crystal layer are provided with the second both alignment layers；
The saturating vibration direction of first polarizer and the alignment direction of first both alignment layers are parallel to each other, and described second partially
The saturating vibration direction of tabula rasa and the alignment direction of second both alignment layers are mutually perpendicular to, the saturating vibration direction of first polarizer and institute
State the second polarizer shake thoroughly direction angle theta be located at [0 °, 90 °).
Optionally, the 2D/3D switching module to be measured includes first substrate, liquid crystal layer and the second substrate, the liquid crystal layer
Between the first substrate and the second substrate；The side that the first substrate closes on the liquid crystal layer is provided with first
Both alignment layers, the side that the second substrate closes on the liquid crystal layer are provided with the second both alignment layers；
The saturating vibration direction of first polarizer and the alignment direction of first both alignment layers are parallel to each other, and described second partially
The saturating vibration direction of tabula rasa and the alignment direction of second both alignment layers are parallel to each other, the saturating vibration direction of first polarizer and institute
State the second polarizer shake thoroughly direction angle theta be located at (0 °, 90 °].
Optionally, the light source is parallel light source.
Second aspect, the embodiment of the present invention provides a kind of detection method of 2D/3D switching module, as described in first aspect
The detection system of 2D/3D switching module executes, comprising:
It is powered for 2D/3D switching module to be measured and powers off and obtain the 2D/3D switching module to be measured using time set
It is powered and the temporal information in power process；
The measurement of Transmissivity measurement device obtains the 2D/3D switching module to be measured and is powered and light source sending in power process
Light passes through the transmitance after the first polarizer, the 2D/3D switching module to be measured and the second polarizer；
The light that data processing equipment is issued according to the light source is switched by first polarizer, the 2D/3D to be measured
Transmitance and the 2D/3D switching module to be measured after mould group and second polarizer are powered and the time in power process
Information determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time.
Optionally, data processing equipment passes through first polarizer, the 2D/ to be measured according to the light that the light source issues
In transmitance and the 2D/3D switching module energization to be measured and power process after 3D switching module and second polarizer
Temporal information determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time, packet
It includes:
Pass through first polarizer, the 2D/3D switching module to be measured and described the according to the light that the light source issues
Transmitance and the 2D/3D switching module to be measured after two polarizers, which are powered to being formed with the temporal information in power process, to be penetrated
Rate-time changing curve；
It is obtained described in the 2D/3D switching module energization to be measured and power process according to transmitance-time changing curve
The light that light source issues passes through the maximum transmission after the first polarizer, the 2D/3D switching module to be measured and second polarizer
The time that rate value and minimum transmitance value occur；
It is powered according to the 2D/3D switching module to be measured and passes through the first polarisation with the light of the sending of light source described in power process
What maximum transmission value and minimum transmitance value after plate, the 2D/3D switching module to be measured and second polarizer occurred
Time determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time.
Optionally, the 2D/3D switching module to be measured includes first substrate, liquid crystal layer and the second substrate, the liquid crystal layer
Between the first substrate and the second substrate；The side that the first substrate closes on the liquid crystal layer is provided with first
Both alignment layers, the side that the second substrate closes on the liquid crystal layer are provided with the second both alignment layers；
The saturating vibration direction of first polarizer and the alignment direction of first both alignment layers are parallel to each other, and described second partially
The saturating vibration direction of tabula rasa and the alignment direction of second both alignment layers are mutually perpendicular to, the saturating vibration direction of first polarizer and institute
State the second polarizer shake thoroughly direction angle theta be located at [0 °, 90 °)；
It is powered according to the 2D/3D switching module to be measured and passes through the first polarisation with the light of the sending of light source described in power process
What maximum transmission value and minimum transmitance value after plate, the 2D/3D switching module to be measured and second polarizer occurred
Time determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time, comprising:
Obtain the time t1 for occurring minimum transmitance value in the 2D/3D switching module galvanization to be measured and maximum transmission
The time t2 of rate value, the switching time of 2D pattern switching to 3D mode are t2-t1；
Obtain the time t3 for occurring maximum transmission value in the 2D/3D switching module power process to be measured and minimum transmission
The time t4 of rate value, the switching time of 3D pattern switching to 2D mode are t4-t3.
Optionally, the 2D/3D switching module to be measured includes first substrate, liquid crystal layer and the second substrate, the liquid crystal layer
Between the first substrate and the second substrate；The side that the first substrate closes on the liquid crystal layer is provided with first
Both alignment layers, the side that the second substrate closes on the liquid crystal layer are provided with the second both alignment layers；
The saturating vibration direction of first polarizer and the alignment direction of first both alignment layers are parallel to each other, and described second partially
The saturating vibration direction of tabula rasa and the alignment direction of second both alignment layers are parallel to each other, the saturating vibration direction of first polarizer and institute
State the second polarizer shake thoroughly direction angle theta be located at (0 °, 90 °]；
It is powered according to the 2D/3D switching module to be measured and passes through the first polarisation with the light of the sending of light source described in power process
What maximum transmission value and minimum transmitance value after plate, the 2D/3D switching module to be measured and second polarizer occurred
Time determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time, comprising:
Obtain the time t5 for occurring maximum transmission value in the 2D/3D switching module galvanization to be measured and minimum transmission
The time t6 of rate value, the switching time of 2D pattern switching to 3D mode are t6-t5；
Obtain the time t7 for occurring minimum transmitance value in the 2D/3D switching module power process to be measured and maximum transmission
The time t8 of rate value, the switching time of 3D pattern switching to 2D mode are t8-t7.In the embodiment of the present invention,
In the detection system of 2D/3D switching module provided in an embodiment of the present invention, 2D/3D switching module to be measured is placed in first
Between polarizer and the second polarizer, the light after the first polarizer is linearly polarized light.Under 3D mode, by the first polarisation
The linearly polarized light formed after plate keeps its vibration plane, is then emitted after the second polarizer；Under 2D mode, by the first polarisation
The vibration plane of the linearly polarized light formed after plate rotates by a certain angle around the light direction of propagation, then goes out after the second polarizer
It penetrates.3D mode and 2D mode have different transmitances.Therefore the transmitance and meter of available Transmissivity measurement device measurement
When device record temporal information, and transmitance and temporal information are handled by data processing equipment, so that it is determined that 2D mould
Formula be switched to 3D mode switching time and 3D pattern switching to 2D mode switching time.It is provided in an embodiment of the present invention
The detection system of 2D/3D switching module avoid human eye judgement error, can accurate measurements and carry out numerical quantization and
Automatic intelligent improves detection efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of 2D/3D switching module；
Fig. 2 is a kind of structural schematic diagram of the detection system of 2D/3D switching module provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of data processing equipment provided in an embodiment of the present invention；
Fig. 4 is the saturating vibration direction of the first polarizer provided in an embodiment of the present invention, the alignment direction of the first both alignment layers, second
A kind of relation schematic diagram in the saturating vibration direction of the alignment direction of both alignment layers and the second polarizer；
Fig. 5 is the saturating vibration direction of the first polarizer provided in an embodiment of the present invention, the alignment direction of the first both alignment layers, second
Another relation schematic diagram in the saturating vibration direction of the alignment direction of both alignment layers and the second polarizer；
Fig. 6 is a kind of structural schematic diagram of light source provided in an embodiment of the present invention；
Fig. 7 is a kind of flow diagram of the detection method of 2D/3D switching module provided in an embodiment of the present invention；
Fig. 8 is a kind of schematic diagram of transmitance-time changing curve provided in an embodiment of the present invention；
Fig. 9 is the schematic diagram of another transmitance-time changing curve provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 2 is a kind of structural schematic diagram of the detection system of 2D/3D switching module provided in an embodiment of the present invention, with reference to figure
Naked eye 3D Switch Cell can be switched for 2D/3D in naked eye 3D display technology in 2,2D/3D switching modules.2D/3D switching
The detection system of mould group includes light source 30, the first polarizer 21, the second polarizer 22, Transmissivity measurement device 40, time set
50 and data processing equipment 60.Light source 10 can be area source, and the light that light source 10 issues can be for example optical power detection
Directional light.First polarizer 21 is located at 30 side of light source, and the second polarizer 22 is located at the first polarizer 21 far from 30 side of light source.
2D/3D switching module 10 to be measured is placed between the first polarizer 21 and the second polarizer 22.First polarizer 21 and second is inclined
Tabula rasa 22 is linear polarizer, and the light beam by linear polarizer forms linearly polarized light.Light vectorAzimuth of vibration remain unchanged
Light is known as linearly polarized light.Transmissivity measurement device 40 is located at the second polarizer 22 far from 30 side of light source, for obtaining light source 30
The light of sending passes through the transmitance after the first polarizer 21,2D/3D switching module 10 to be measured and the second polarizer 22.Transmitance is surveyed
Measuring device 40 for example can be brightness photometer.Time set 50 is electrically connected with Transmissivity measurement device 40, for obtaining 2D/3D to be measured
Switching module 10 is powered and the temporal information in power process.Data processing equipment 60 and Transmissivity measurement device 40 and timing
Device 50 is electrically connected, and the light for being issued according to light source 30 passes through the first polarizer 21,2D/3D switching module to be measured 10 and second
Transmitance and 2D/3D switching module 10 to be measured after polarizer 22, which are powered, determines 2D mode with the temporal information in power process
Be switched to 3D mode switching time and 3D pattern switching to 2D mode switching time.
In general, 2D/3D switching module 10 to be measured is 3D mode when being powered, 2D/3D switching module 10 to be measured is disconnected
It is 2D mode when electric.It, can not be immediately by 2D pattern switching to 3D mode when 2D/3D switching module 10 to be measured is powered；2D/ to be measured
It, can not be immediately by 3D pattern switching to 2D mode, 2D pattern switching to 3D mode and 3D mould when 3D switching module 10 powers off
Formula is switched to 2D mode and is required to the regular hour.3D mode and 2D mode have different display effects.Liquid crystal under 3D mode
Molecule arranges perpendicular to first substrate 11 and does not have optical activity, and liquid crystal molecule is in lying status (liquid crystal molecule under 2D mode
There are a pre-tilt angles between first substrate 11) and there is optical activity.Have active substance and be known as optical rotatory substance, when line is inclined
Light shake by the way that after optical rotatory substance, vibration plane is rotated a certain angle using the direction of propagation of light as axis.
In the detection system of 2D/3D switching module provided in an embodiment of the present invention, 2D/3D switching module to be measured is placed in first
Between polarizer and the second polarizer, the light after the first polarizer is linearly polarized light.Under 3D mode, by the first polarisation
The linearly polarized light formed after plate keeps its vibration plane, is then emitted after the second polarizer；Under 2D mode, by the first polarisation
The vibration plane of the linearly polarized light formed after plate rotates by a certain angle around the light direction of propagation, then goes out after the second polarizer
It penetrates.3D mode and 2D mode have different transmitances.Therefore the transmitance and meter of available Transmissivity measurement device measurement
When device record temporal information, and transmitance and temporal information are handled by data processing equipment, so that it is determined that 2D mould
Formula be switched to 3D mode switching time and 3D pattern switching to 2D mode switching time.It is provided in an embodiment of the present invention
The detection system of 2D/3D switching module avoid human eye judgement error, can accurate measurements and carry out numerical quantization and
Automatic intelligent improves detection efficiency.
Fig. 3 is a kind of structural schematic diagram of data processing equipment provided in an embodiment of the present invention, referring to figs. 2 and 3, data
Processing unit 60 includes Drawing of Curve unit 61, transmitance value determination unit 62 and response time determination unit 63.Drawing of Curve
The light that unit 61 is used to be issued according to light source 30 passes through the first polarizer 21,2D/3D switching module 10 to be measured and the second polarizer
Transmitance and 2D/3D switching module 10 to be measured after 22, which are powered, forms transmitance-time with the temporal information in power process
Change curve.Transmitance value and time value on transmitance-time changing curve are that correspondingly, have a transmitance value just
A corresponding time value, maximum transmission value and the corresponding timing node occurred of minimum value transmitance value are wherein more special
Back end information.Transmitance value determination unit 62, which is used to obtain 2D/3D to be measured according to transmitance-time changing curve, to be switched
Mould group 10 be powered and power process in the light that issues of light source 30 pass through the first polarizer 21,2D/3D switching module 10 to be measured and the
The time that maximum transmission value and minimum transmitance value after two polarizers 22 occur.Response time determination unit 63 is used for basis
2D/3D switching module 10 to be measured, which is powered, is cut with the light of the sending of light source 30 in power process by the first polarizer 21,2D/3D to be measured
The time that maximum transmission value and minimum transmitance value after mold changing group 10 and the second polarizer 22 occur determines 2D pattern switching
To 3D mode switching time and 3D pattern switching to 2D mode switching time.
Fig. 4 is the saturating vibration direction of the first polarizer provided in an embodiment of the present invention, the alignment direction of the first both alignment layers, second
A kind of relation schematic diagram in the saturating vibration direction of the alignment direction of both alignment layers and the second polarizer is shaken thoroughly with reference to Fig. 1, Fig. 2 and Fig. 4
Direction and alignment direction are depicted with arrows, and 2D/3D switching module 10 to be measured includes first substrate 11, liquid crystal layer 15 and second
Substrate 18, liquid crystal layer 15 is between first substrate 11 and the second substrate 18.The side that first substrate 11 closes on liquid crystal layer 15 is set
The first both alignment layers 14 are equipped with, the side that the second substrate 18 closes on liquid crystal layer 15 is provided with the second both alignment layers 16.First polarizer 21
Saturating vibration direction and the alignment directions of the first both alignment layers 14 be parallel to each other, the saturating vibration direction of the second polarizer 22 and the second both alignment layers
16 alignment direction is mutually perpendicular to, and the saturating vibration direction of the first polarizer 21 and the angle theta in the saturating vibration direction of the second polarizer 22 are located at
[0 °, 90 °).Under 2D mode, the liquid crystal molecule in liquid crystal layer 15 is in lying status and (deposits between liquid crystal molecule and first substrate 11
In a pre-tilt angle), and the liquid crystal molecule in liquid crystal layer 15 is turned round according to the alignment direction of the first both alignment layers 14 and the second both alignment layers 16
Polarization direction and first both alignment layers 14 of the liquid crystal layer 15 close to the linearly polarized light of 14 side of the first both alignment layers are incident in song arrangement
Alignment direction is consistent, the polarization direction for the linearly polarized light being emitted from liquid crystal layer 15 close to 16 side of the second both alignment layers and the second orientation
The alignment direction of layer 16 is consistent.Due to the saturating vibration side of the second polarizer 22
It is mutually perpendicular to the alignment direction with the second both alignment layers 16, the light being emitted by liquid crystal layer 15 can not penetrate second
Polarizer 22, the transmitance that Transmissivity measurement device 40 measures are 0.Under 3D mode, the liquid crystal molecule in liquid crystal layer 15 is vertical
The orientation side of the arrangement mode of liquid crystal molecule and the first both alignment layers 14 and the second both alignment layers 16 in first substrate 11, liquid crystal layer 15
To unrelated.Due to the angle theta in saturating vibration direction and the second polarizer 22 the vibration direction thoroughly of the first polarizer 21 is located at [0 °, 90 °), because
This light can penetrate the second polarizer 22, and Transmissivity measurement device 40 measures transmitance Tr1.In 2D pattern switching to 3D mould
During formula and 3D pattern switching to 2D mode, the transmitance that Transmissivity measurement device 40 measures is located at [0, Tr1].
Fig. 5 is the saturating vibration direction of the first polarizer provided in an embodiment of the present invention, the alignment direction of the first both alignment layers, second
Another relation schematic diagram in the saturating vibration direction of the alignment direction of both alignment layers and the second polarizer, shake thoroughly direction and alignment direction
It is depicted with arrows, with reference to Fig. 1, Fig. 2 and Fig. 5,2D/3D switching module 10 to be measured includes first substrate 11, liquid crystal layer 15 and the
Two substrates 18, liquid crystal layer 15 is between first substrate 11 and the second substrate 18.First substrate 11 closes on the side of liquid crystal layer 15
The first both alignment layers 14 are provided with, the side that the second substrate 18 closes on liquid crystal layer 15 is provided with the second both alignment layers 16.First polarizer
21 saturating vibration direction and the alignment direction of the first both alignment layers 14 are parallel to each other, the saturating vibration direction of the second polarizer 22 and the second orientation
The alignment direction of layer 16 is parallel to each other, the angle theta position in the saturating vibration direction of the first polarizer 21 and the saturating vibration direction of the second polarizer 22
In (0 °, 90 °].Under 2D mode, the liquid crystal molecule in liquid crystal layer 15 is in lying status (between liquid crystal molecule and first substrate 11
There are a pre-tilt angles), and the liquid crystal molecule in liquid crystal layer 15 is according to the alignment direction of the first both alignment layers 14 and the second both alignment layers 16
Aligned twisted is incident on polarization direction and first both alignment layers 14 of the liquid crystal layer 15 close to the linearly polarized light of 14 side of the first both alignment layers
Alignment direction it is consistent, the polarization direction for the linearly polarized light being emitted from liquid crystal layer 15 close to 16 side of the second both alignment layers is matched with second
Alignment direction to layer 16 is consistent.Since the saturating vibration direction of the second polarizer 22 and the alignment direction of the second both alignment layers 16 are mutually flat
Row all penetrates the second polarizer 22, the transmitance that Transmissivity measurement device 40 measures by the light that liquid crystal layer 15 is emitted
Tr3.Under 3D mode, liquid crystal molecule in liquid crystal layer 15 is perpendicular to first substrate 11, the arrangement side of liquid crystal molecule in liquid crystal layer 15
Formula is unrelated with the alignment direction of the first both alignment layers 14 and the second both alignment layers 16.Due to the saturating vibration direction and second of the first polarizer 21
Polarizer 22 thoroughly vibration direction angle theta be located at (0 °, 90 °], by liquid crystal layer 15 be emitted light portion penetrate the second polarizer
22, Transmissivity measurement device 40 measures transmitance Tr4.In 2D pattern switching to 3D mode and 3D pattern switching to 2D mode
During, the transmitance that Transmissivity measurement device 40 measures is located at [Tr4, Tr3].
Fig. 6 is a kind of structural schematic diagram of light source provided in an embodiment of the present invention, and referring to figs. 2 and 6, light source 30 is parallel
Radiant.Further, light source 30 can be two-dimentional display panel, illustratively carry out by taking liquid crystal display panel as an example in Fig. 6
It illustrates, liquid crystal display panel includes backlight 31, array substrate 32, display liquid crystal layer 33 and color membrane substrates 34, shows liquid
In the liquid crystal cell that crystal layer 33 is located at array substrate 32 and color membrane substrates 34 are formed, backlight 31 is located at array substrate 32 far from color film
34 side of substrate.Backlight 31 can be area source, and issue directional light.Show that the liquid crystal molecule in liquid crystal layer 33 can be in electricity
It deflects under the action of (electric field that public electrode generates in pixel electrode and color membrane substrates 34 in array substrate 32), thus
Control the light emission luminance when light that backlight 31 issues is emitted through liquid crystal display panel.In the embodiment of the present invention, two are used
Display panel is tieed up as light source 30, the light luminance distribution that two-dimentional display panel issues is relatively uniform, and it is aobvious to be easy to control two dimension
Show that all or part of panel shines, to be easy to control the beam size of 30 isolychns of light source.It should be noted that two-dimentional
Display panel can also be organic light emitting display panel, electrophoretic display panel etc..Light source 30 can also be used except two-dimentional display surface
Other structures outside plate, such as using backlight 31 is directly used, whether the embodiment of the present invention is two-dimentional display for light source 30
Panel without limitation, as long as light source 30 issue directional light.
Fig. 7 is a kind of flow diagram of the detection method of 2D/3D switching module provided in an embodiment of the present invention, 2D/3D
The detection method of switching module is executed by the detection system of the 2D/3D switching module in above-described embodiment, with reference to figs. 2 and 7,
The detection method of 2D/3D switching module includes the following steps:
S110, being powered for 2D/3D switching module 10 to be measured and powering off and obtain 2D/3D to be measured using time set 50 switches
Mould group 10 is powered and the temporal information in power process.
S120, the measurement of Transmissivity measurement device 40 obtain light source in the energization of 2D/3D switching module 10 to be measured and power process
30 light issued pass through the transmitance after the first polarizer 21,2D/3D switching module 10 to be measured and the second polarizer 22.
The light that S130, data processing equipment 60 are issued according to light source 30 switches mould by the first polarizer 21,2D/3D to be measured
Transmitance and 2D/3D switching module 10 to be measured after group 10 and the second polarizer 22 are powered and the temporal information in power process
Determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time.
The detection method of 2D/3D switching module provided in an embodiment of the present invention switches mould by the 2D/3D in above-described embodiment
The detection system of group executes, therefore the beneficial effect of the detection system with above-mentioned 2D/3D switching module, that is, avoids human eye
The error of judgement accurate measurements and can carry out numerical quantization and automatic intelligent, improve detection efficiency.
Optionally, above-mentioned steps S130 includes following sub-step:
S131, the first polarizer 21,2D/3D switching module 10 to be measured and the second polarisation are passed through according to the light that light source 30 issues
Transmitance after plate 22 and 2D/3D switching module 10 to be measured be powered and power process in temporal information formed transmitance-when
Between change curve.
S132, light in the energization of 2D/3D switching module 10 to be measured and power process is obtained according to transmitance-time changing curve
The light that source 30 issues passes through the maximum transmission after the first polarizer 21,2D/3D switching module 10 to be measured and the second polarizer 22
The time that value and minimum transmitance value occur.
S133, pass through first partially according to the light that light source 30 issues in 2D/3D switching module 10 to be measured energization and power process
What maximum transmission value and minimum transmitance value after tabula rasa 21,2D/3D switching module 10 to be measured and the second polarizer 22 occurred
Time determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time.
Fig. 8 is a kind of schematic diagram of transmitance-time changing curve provided in an embodiment of the present invention, with reference to Fig. 2, Fig. 4 and
Fig. 8, the saturating vibration direction of the first polarizer 21 and the alignment direction of the first both alignment layers 14 are parallel to each other, the saturating vibration of the second polarizer 22
Direction and the alignment direction of the second both alignment layers 16 are mutually perpendicular to, the saturating vibration direction of the first polarizer 21 and the second vibration thoroughly of polarizer 22
The angle theta in direction be located at [0 °, 90 °).At the t1 moment, it is powered to 2D/3D switching module 10 to be measured, at this time Transmissivity measurement device
The 40 minimum transmitance values measured are Tr2, and transmitance is gradually increasing until reaching maximum transmission value Tr1, Transmissivity measurement
The period that device 40 measures maximum transmission value Tr1 is that t2-t3 (in the t2-t3 time, keeps maximum transmission value Tr1 not
Become)；At the t3 moment, 2D/3D switching module 10 to be measured is powered off, is gradually decreased from t3 moment transmitance up to reaching the t4 moment
Minimum transmitance value Tr2.Since the saturating vibration direction of the second polarizer 22 and the alignment direction of the second both alignment layers 16 are mutually perpendicular to, light
Line can not penetrate the second polarizer 22, and the transmitance that Transmissivity measurement device 40 measures is 0, i.e. Tr2=0.Above-mentioned steps
S133 may include following sub-step:
S1011, obtain the time t1 for occurring minimum transmitance value Tr2 in 10 galvanization of 2D/3D switching module to be measured and
The time t2 of maximum transmission value Tr1, the switching time of 2D pattern switching to 3D mode are t2-t1.
S1012, obtain occur in 10 power process of 2D/3D switching module to be measured the time t3 of maximum transmission value Tr1 and
The time t4 of minimum transmitance value Tr2, the switching time of 3D pattern switching to 2D mode are t4-t3.
Fig. 9 is the schematic diagram of another transmitance-time changing curve provided in an embodiment of the present invention, with reference to Fig. 2, Fig. 5
And Fig. 9, the saturating vibration direction of the first polarizer 21 and the alignment direction of the first both alignment layers 14 are parallel to each other, the second polarizer 22 it is saturating
Vibration direction and the alignment direction of the second both alignment layers 16 are parallel to each other, and the saturating vibration direction of the first polarizer 21 and the second polarizer 22 are saturating
Shake direction angle theta be located at (0 °, 90 °].It at the t5 moment, is powered to 2D/3D switching module 10 to be measured, Transmissivity measurement fills at this time
Setting the maximum transmission value that 40 measure is Tr3, and transmitance gradually decreases until reaching minimum transmitance value Tr4, and transmitance is surveyed
The period that amount device 40 measures minimum transmitance value Tr4 is that t6-t7 (in the t6-t7 time, keeps minimum transmitance value Tr4
It is constant)；At the t7 moment, 2D/3D switching module 10 to be measured is powered off, is gradually risen from t7 moment transmitance up to reaching the t8 moment
Maximum transmission value Tr3.Above-mentioned steps S133 may include following sub-step:
S1021, obtain occur in 10 galvanization of 2D/3D switching module to be measured the time t5 of maximum transmission value Tr3 and
The time t6 of minimum transmitance value Tr4, the switching time of 2D pattern switching to 3D mode are t6-t5；
S1022, obtain the time t7 for occurring minimum transmitance value Tr4 in 10 power process of 2D/3D switching module to be measured and
The time t8 of maximum transmission value Tr3, the switching time of 3D pattern switching to 2D mode are t8-t7.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (9)
1. a kind of detection system of 2D/3D switching module characterized by comprising
Light source；
First polarizer is located at the light source side；
Second polarizer is located at first polarizer far from the light source side；2D/3D switching module to be measured is placed in described
Between first polarizer and second polarizer；
Transmissivity measurement device is located at second polarizer far from the light source side, for obtaining the light source sending
Light passes through the transmitance after first polarizer, the 2D/3D switching module to be measured and second polarizer；
Time set is electrically connected with the Transmissivity measurement device, for obtaining the 2D/3D switching module energization to be measured and breaking
Temporal information in electric process；
Data processing equipment is electrically connected with the Transmissivity measurement device and the time set, for according to the light source
The light of sending by the transmitance after first polarizer, the 2D/3D switching module to be measured and second polarizer with
And the 2D/3D switching module to be measured is powered and determines the switching of 2D pattern switching to 3D mode with the temporal information in power process
The switching time of time and 3D pattern switching to 2D mode.
2. detection system according to claim 1, which is characterized in that the data processing equipment includes:
Drawing of Curve unit, the light for being issued according to the light source pass through first polarizer, the 2D/3D switching to be measured
Transmitance and the 2D/3D switching module to be measured after mould group and second polarizer are powered and the time in power process
Information forms transmitance-time changing curve；
Transmitance value determination unit is powered for obtaining the 2D/3D switching module to be measured according to transmitance-time changing curve
Pass through the first polarizer, the 2D/3D switching module to be measured and described second partially with the light that light source described in power process issues
The time that maximum transmission value and minimum transmitance value after tabula rasa occur；Response time determination unit, for according to it is described to
The light that light source described in the energization of 2D/3D switching module and power process issues is surveyed to cut by the first polarizer, the 2D/3D to be measured
The time that maximum transmission value and minimum transmitance value after mold changing group and second polarizer occur determines 2D pattern switching
To 3D mode switching time and 3D pattern switching to 2D mode switching time.
3. detection system according to claim 1, which is characterized in that the 2D/3D switching module to be measured includes the first base
Plate, liquid crystal layer and the second substrate, the liquid crystal layer is between the first substrate and the second substrate；The first substrate
The side for closing on the liquid crystal layer is provided with the first both alignment layers, and the side that the second substrate closes on the liquid crystal layer is provided with
Two both alignment layers；
The saturating vibration direction of first polarizer and the alignment direction of first both alignment layers are parallel to each other, second polarizer
Saturating vibration direction and the alignment directions of second both alignment layers be mutually perpendicular to, the saturating vibration direction of first polarizer and described the
Two polarizers shake thoroughly direction angle theta be located at [0 °, 90 °).
4. detection system according to claim 1, which is characterized in that the 2D/3D switching module to be measured includes the first base
Plate, liquid crystal layer and the second substrate, the liquid crystal layer is between the first substrate and the second substrate；The first substrate
The side for closing on the liquid crystal layer is provided with the first both alignment layers, and the side that the second substrate closes on the liquid crystal layer is provided with
Two both alignment layers；
The saturating vibration direction of first polarizer and the alignment direction of first both alignment layers are parallel to each other, second polarizer
Saturating vibration direction and the alignment directions of second both alignment layers be parallel to each other, the saturating vibration direction of first polarizer and described the
Two polarizers shake thoroughly direction angle theta be located at (0 °, 90 °].
5. detection system according to claim 1, which is characterized in that the light source is parallel light source.
6. a kind of detection method of 2D/3D switching module, by the detection of any 2D/3D switching module of claim 1-5
System executes characterized by comprising
It is powered and powers off for 2D/3D switching module to be measured and obtain the 2D/3D switching module to be measured using time set and be powered
With the temporal information in power process；
It is logical that the measurement of Transmissivity measurement device obtains the light that light source issues in the 2D/3D switching module energization to be measured and power process
Transmitance after crossing the first polarizer, the 2D/3D switching module to be measured and the second polarizer；
Data processing equipment passes through first polarizer, the 2D/3D switching module to be measured according to the light that the light source issues
With the transmitance after second polarizer and the temporal information in the 2D/3D switching module energization to be measured and power process
Determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time.
7. detection method according to claim 6, which is characterized in that the light that data processing equipment is issued according to the light source
By transmitance after first polarizer, the 2D/3D switching module to be measured and second polarizer and it is described to
Survey 2D/3D switching module be powered and power process in temporal information determine 2D pattern switching to the switching time of 3D mode and
Switching time of the 3D pattern switching to 2D mode, comprising:
The light issued according to the light source passes through first polarizer, the 2D/3D switching module to be measured and described second inclined
Transmitance and the 2D/3D switching module to be measured after tabula rasa are powered and form transmitance-with the temporal information in power process
Time changing curve；
The 2D/3D switching module to be measured is obtained according to transmitance-time changing curve to be powered and light source described in power process
The light of sending passes through the maximum transmission value after the first polarizer, the 2D/3D switching module to be measured and second polarizer
The time occurred with minimum transmitance value；
According to the 2D/3D switching module to be measured be powered and power process described in the light that issues of light source by the first polarizer,
The time that maximum transmission value and minimum transmitance value after the 2D/3D switching module to be measured and second polarizer occur
Determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time.
8. detection method according to claim 7, which is characterized in that the 2D/3D switching module to be measured includes the first base
Plate, liquid crystal layer and the second substrate, the liquid crystal layer is between the first substrate and the second substrate；The first substrate
The side for closing on the liquid crystal layer is provided with the first both alignment layers, and the side that the second substrate closes on the liquid crystal layer is provided with
Two both alignment layers；
The saturating vibration direction of first polarizer and the alignment direction of first both alignment layers are parallel to each other, second polarizer
Saturating vibration direction and the alignment directions of second both alignment layers be mutually perpendicular to, the saturating vibration direction of first polarizer and described the
Two polarizers shake thoroughly direction angle theta be located at [0 °, 90 °)；
According to the 2D/3D switching module to be measured be powered and power process described in the light that issues of light source by the first polarizer,
The time that maximum transmission value and minimum transmitance value after the 2D/3D switching module to be measured and second polarizer occur
Determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time, comprising:
Obtain the time t1 and maximum transmission value for occurring minimum transmitance value in the 2D/3D switching module galvanization to be measured
Time t2, switching time of 2D pattern switching to 3D mode is t2-t1；
Obtain the time t3 for occurring maximum transmission value in the 2D/3D switching module power process to be measured and minimum transmitance value
Time t4, switching time of 3D pattern switching to 2D mode is t4-t3.
9. detection method according to claim 7, which is characterized in that the 2D/3D switching module to be measured includes the first base
Plate, liquid crystal layer and the second substrate, the liquid crystal layer is between the first substrate and the second substrate；The first substrate
The side for closing on the liquid crystal layer is provided with the first both alignment layers, and the side that the second substrate closes on the liquid crystal layer is provided with
Two both alignment layers；
The saturating vibration direction of first polarizer and the alignment direction of first both alignment layers are parallel to each other, second polarizer
Saturating vibration direction and the alignment directions of second both alignment layers be parallel to each other, the saturating vibration direction of first polarizer and described the
Two polarizers shake thoroughly direction angle theta be located at (0 °, 90 °]；
According to the 2D/3D switching module to be measured be powered and power process described in the light that issues of light source by the first polarizer,
The time that maximum transmission value and minimum transmitance value after the 2D/3D switching module to be measured and second polarizer occur
Determine 2D pattern switching to 3D mode switching time and 3D pattern switching to 2D mode switching time, comprising:
Obtain the time t5 for occurring maximum transmission value in the 2D/3D switching module galvanization to be measured and minimum transmitance value
Time t6, switching time of 2D pattern switching to 3D mode is t6-t5；
Obtain the time t7 and maximum transmission value for occurring minimum transmitance value in the 2D/3D switching module power process to be measured
Time t8, switching time of 3D pattern switching to 2D mode is t8-t7.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109389922A (en) * | 2018-12-17 | 2019-02-26 | 张家港康得新光电材料有限公司 | The detection device of display panel can be switched in a kind of 2D-3D |
| CN109738161A (en) * | 2018-12-29 | 2019-05-10 | 张家港康得新光电材料有限公司 | The detection device of what comes into a driver's resolution element can be switched in a kind of 2D/3D |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423151A (en) * | 2001-11-22 | 2003-06-11 | 夏普公司 | Light displacement device and light display system |
| US20130194401A1 (en) * | 2012-01-31 | 2013-08-01 | Samsung Electronics Co., Ltd. | 3d glasses, display apparatus and control method thereof |
| US20130265509A1 (en) * | 2012-04-04 | 2013-10-10 | Suk Choi | Liquid crystal lens panel and steroscopic image display panel having the same |
| US20140028933A1 (en) * | 2012-07-27 | 2014-01-30 | Superd Co., Ltd. | Autostereoscopic display device and method |
| US20150301344A1 (en) * | 2012-11-27 | 2015-10-22 | Merck Patent Gmbh | Lens element |
| US20160249046A1 (en) * | 2015-02-24 | 2016-08-25 | Japan Display Inc. | Display device and display method |
| CN106094068A (en) * | 2016-08-23 | 2016-11-09 | 张家港康得新光电材料有限公司 | Electrooptical material column lens array structure and the display device including it |
| CN107346066A (en) * | 2016-05-06 | 2017-11-14 | 上海纪显电子科技有限公司 | Detecting system and its detection method |
| CN107357046A (en) * | 2017-05-26 | 2017-11-17 | 张家港康得新光电材料有限公司 | 2D patterns and the detection method and detecting system of 3D mode switch times |
-
2018
- 2018-07-23 CN CN201810811615.0A patent/CN108957772B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423151A (en) * | 2001-11-22 | 2003-06-11 | 夏普公司 | Light displacement device and light display system |
| US20130194401A1 (en) * | 2012-01-31 | 2013-08-01 | Samsung Electronics Co., Ltd. | 3d glasses, display apparatus and control method thereof |
| US20130265509A1 (en) * | 2012-04-04 | 2013-10-10 | Suk Choi | Liquid crystal lens panel and steroscopic image display panel having the same |
| US20140028933A1 (en) * | 2012-07-27 | 2014-01-30 | Superd Co., Ltd. | Autostereoscopic display device and method |
| US20150301344A1 (en) * | 2012-11-27 | 2015-10-22 | Merck Patent Gmbh | Lens element |
| US20160249046A1 (en) * | 2015-02-24 | 2016-08-25 | Japan Display Inc. | Display device and display method |
| CN107346066A (en) * | 2016-05-06 | 2017-11-14 | 上海纪显电子科技有限公司 | Detecting system and its detection method |
| CN106094068A (en) * | 2016-08-23 | 2016-11-09 | 张家港康得新光电材料有限公司 | Electrooptical material column lens array structure and the display device including it |
| CN107357046A (en) * | 2017-05-26 | 2017-11-17 | 张家港康得新光电材料有限公司 | 2D patterns and the detection method and detecting system of 3D mode switch times |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109389922A (en) * | 2018-12-17 | 2019-02-26 | 张家港康得新光电材料有限公司 | The detection device of display panel can be switched in a kind of 2D-3D |
| CN109738161A (en) * | 2018-12-29 | 2019-05-10 | 张家港康得新光电材料有限公司 | The detection device of what comes into a driver's resolution element can be switched in a kind of 2D/3D |
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