CN110050175A - Color measurement system - Google Patents
Color measurement system Download PDFInfo
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- CN110050175A CN110050175A CN201780076174.8A CN201780076174A CN110050175A CN 110050175 A CN110050175 A CN 110050175A CN 201780076174 A CN201780076174 A CN 201780076174A CN 110050175 A CN110050175 A CN 110050175A
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- 238000005259 measurement Methods 0.000 title claims abstract description 73
- 238000012937 correction Methods 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims description 2
- 238000004904 shortening Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 27
- 238000010586 diagram Methods 0.000 description 19
- 230000008859 change Effects 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000009529 body temperature measurement Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
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- General Physics & Mathematics (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
Time needed for shortening the correction in the multiple color measuring apparatus carried out to eliminate the influence of the variation of internal temperature.In color measurement system, first to N color measuring apparatus is connected to control device.First has first to N temperature sensor to N color measuring apparatus respectively.First detects first to N internal temperature to N temperature sensor respectively.First is obtained respectively to N temperature variation amount from first to N internal temperature.Control device control first is to N color measuring apparatus, so that being corrected simultaneously in first to N color measuring apparatus whole in the case where first at least part into N temperature variation amount is more than permissible value.
Description
Technical field
The present invention relates to color measurement systems.
Background technique
Light source colour measuring device is the brightness for measuring light source and the equipment of color.
Known multiple light sources color measuring apparatus is connected to the light source colour measurement of control device and controlled device control
System.Colour meter documented by patent document 1 is its an example.In the colour meter documented by patent document 1, as multiple light sources
Multiple probe portions of an example of color measuring apparatus are connected to the main part of an example as control device, and multiple probe portions are led
Body portion controls (abstract).
Multiple light sources color measuring apparatus is corrected as needed.In the colour meter documented by patent document 1, connection
To main part multiple values direct-reading types probe portion based on the measurement result of the probe portion for the light splitting type for being connected to main part
To correct (abstract).
The characteristic of light source colour measuring device has temperature dependency.Therefore, in the inside temperature of light source colour measuring device
The variation of degree be more than permissible value in the case where, in order to eliminate internal temperature variation influence and in light source colour measuring device
It is corrected.
On the other hand, the different situation of the internal temperature of multiple light sources color measuring apparatus is more.
Therefore, it is measured with each light source colour measuring device in multiple light sources color measuring apparatus, that is, each light source colour
The variation of the internal temperature of equipment be more than permissible value synchronously, the case where having carried out correction in each light source colour measuring device
Under, it is corrected in multiple light sources color measuring apparatus in mutually different timing.
Existing technical literature
Patent document
Patent document 1: International Publication No. 2010/021258
Summary of the invention
Subject to be solved by the invention
In multiple light sources color measuring apparatus in the case where mutually different timing is corrected, in multiple light sources face
Correct that the required time is elongated in color measuring device, the light source colour measurement executed by multiple light sources color measuring apparatus is interrupted
Time it is elongated.
The problem carries out light source colour measurement simultaneously in multiple light sources color measuring apparatus and continuously carries out light source colour
It is especially significant in the case where measurement.
In addition, can also lead to the problem of this under the case where executing the color measuring other than light source colour measurement etc..
The purpose invented documented by the detailed description of invention is to solve the problems, such as this.The detailed description of invention is remembered
The project that the invention of load is wanted to solve is to shorten the multiple color measurings carried out to eliminate the influence of the variation of internal temperature
Time needed for correction in equipment.
Means for solving the problems
In the invention documented by the detailed description of invention, color measurement system has first and sets to N color measuring
Standby and control device.The integer that N is 2 or more.
First has first to N temperature sensor to N color measuring apparatus respectively.First to N temperature sensor
First is detected respectively to N internal temperature.
First is obtained respectively to N temperature variation amount from first to N internal temperature.
First is connected on control device to N color measuring apparatus.Control device controls first to N color measuring
Equipment, so that in the case where first at least part into N temperature variation amount is more than permissible value, first to N face
It is corrected simultaneously in the whole of color measuring device.
Invention effect
According to documented by the detailed description of invention invent, carry out in order to eliminate internal temperature variation influence and into
The timing of correction in capable multiple color measuring apparatus does not disperse in time, the time needed for shortening the correction.
The purpose of the present invention, feature, aspect and advantage can become more clear by detailed description below and attached drawing
Chu.
Detailed description of the invention
Fig. 1 is the block diagram for illustrating the light source colour measuring system of first embodiment.
Fig. 2 is the schematic diagram for illustrating the measurement example of light source colour measuring system of first embodiment.
Fig. 3 is the structure for the light source colour measuring device having in the light source colour measuring system for indicate first embodiment
Figure.
Fig. 4 is the block diagram of the flowing of the electric power and information in the light source colour measuring system for illustrate first embodiment.
Fig. 5 A be illustrate first embodiment light source colour measuring system first embodiment in temperature variation amount with
The timing diagram of the variation of time.
Fig. 5 B is determining for the execution correction in the first embodiment for the light source colour measuring system for illustrating first embodiment
When timing diagram.
Fig. 6 A is the timing diagram for illustrating the temperature variation amount in the first comparative example and changing with time.
Fig. 6 B is the timing diagram for illustrating the timing of the execution correction in the first comparative example.
Fig. 7 A be illustrate first embodiment light source colour measuring system second embodiment in temperature variation amount with
The timing diagram of the variation of time.
Fig. 7 B is determining for the execution correction in the second embodiment for the light source colour measuring system for illustrating first embodiment
When timing diagram.
Fig. 8 A is the timing diagram for illustrating the temperature variation amount in the second comparative example and changing with time.
Fig. 8 B is the timing diagram for illustrating the timing of the execution correction in the second comparative example.
Fig. 9 A is the timing of the timing of the various movements of execution in the light source colour measuring system for illustrate first embodiment
Figure.
Fig. 9 B is the timing of the timing of the various movements of execution in the light source colour measuring system for illustrate first embodiment
Figure.
Fig. 9 C is the timing of the timing of the various movements of execution in the light source colour measuring system for illustrate first embodiment
Figure.
Fig. 9 D is the timing of the timing of the various movements of execution in the light source colour measuring system for illustrate first embodiment
Figure.
Figure 10 is the determining of changing with time of source current in the light source colour measuring system for illustrate first embodiment
Shi Tu.
Specific embodiment
1 first embodiment
1.1 sequence
First embodiment is related to light source colour measuring system.
1.2 light source colour measuring systems
Fig. 1 is the block diagram for illustrating the light source colour measuring system of first embodiment.
The illustrated light source colour measuring system 1000 of Fig. 1 has N number of light source colour measuring device P1、P2、P3、……、PN
And control device 1020.The integer that N is 2 or more.Light source colour measuring system 1000 can also have in addition to these works
Works in addition.
Light source colour measuring device P1、P2、P3、……、PNIt is to be received the light from light source and survey by light probe etc. respectively
Measure light source colour.The measurement of light source colour refers to, obtains information related with the intensity of the light from light source and color, determines
The brightness and color of light source.Also allow light source colour measuring device P1、P2、P3、……、PNIt is replaced into N number of object color measurement
Equipment, light source colour measuring system 1000 are replaced into object color measuring system.N number of object color measuring device receives to come respectively
The light of the reflector of light of the self-reflection from light source or the permeation body for penetrating the light from light source measures object color.
On control device 1020, it is electrically connected light source colour measuring device P1、P2、P3、……、PN.Control device 1020
To light source colour measuring device P1、P2、P3、……、PNPower supply controls light source colour measuring device P1、P2、P3、……、PN, from light
Source color measuring apparatus P1、P2、P3、……、PNCollect the measured value of light source colour.
Instruction, data and signal are sent respectively to light source colour measuring device P by control device 10201、P2、
P3、……、PN, light source colour measuring device P1、P2、P3、……、PNRespectively from control device 1020 receive transmitted instruction,
Data and signal.Light source colour measuring device P1、P2、P3、……、PNInstruction, data and signal are sent to control respectively
Device 1020, control device 1020 is from light source colour measuring device P1、P2、P3、……、PNTransmitted instruction, number are received respectively
Accordingly and signal.Instruction and data can use the form of signal.
1.3 measurement examples
Fig. 2 is the schematic diagram for illustrating the measurement example of light source colour measuring system of first embodiment.
The illustrated measurement example of Fig. 2 is the case where N is 4.
In the illustrated measurement example of Fig. 2, display 1030 production on the way, by 4 light source colour measuring device P1、
P2、P3And P4The light source colour of 4 points of the display surface of display 1030 is measured respectively.Measuring 4 points is because of display surface
Greatly.3 points or less or 5 points or more can also be measured.Light source colour measuring device P1、P2、P3And P4Measurement simultaneously into
Row.Measure simultaneously is because the signal of driving display 1030 has periodically.It is used by the measured value that measurement obtains
In check display 1030 display surface in brightness and coloration uniformity and change with time.
In the case where such 4 points of progress measure simultaneously, such as in 1 light source colour measuring device P1In produce into
When needing of row correction, even if in remaining 3 light source colour measuring devices P2、P3And P4In do not want corrected need
It wants, also has in 4 light source colour measuring device P1、P2、P3And P4Whole in interrupt light source colour measurement, at this 1
Light source colour measuring device P1In be corrected.Therefore, in light source colour measuring device P1、P2、P3And P4In correction mutual
In the case that different timing carries out, continuous measurement, the productivity of display 1030 are interrupted carrying out each timing every time
(productivity) it reduces.
Therefore, in light source colour measuring system 1000, when producing in 1 light source colour measuring device P1In carry out school
It is positive when needing, even if in remaining 3 light source colour measuring devices P2、P3And P4In do not want corrected needs,
In 4 light source colour measuring device P1、P2、P3And P4Whole in be corrected.Thus, it is suppressed that because light source colour measures
Equipment P1、P2、P3And P4In corrected timing disperse in time and worrying continuous measure the frequency that is interrupted
Degree.
1.4 light source colour measuring devices
Fig. 3 is the structure for the light source colour measuring device having in the light source colour measuring system for indicate first embodiment
Figure.
The illustrated light source colour measuring device P of Fig. 3 is respectively light source colour measuring device P1、P2、P3、……、PN, tool
There are shutter 1040, motor 1041, optical sensor 1042, temperature sensor 1043, acquisition unit 1044 and memory element
1045。
The movement of light source colour measuring device P changes according to the mode of light source colour measuring device P.It is surveyed in light source colour
In the mode for measuring equipment P, there are usual measurement pattern, correction mode and temperature information output mode.
In the case where the mode of light source colour measuring device P is usual measurement pattern, light source colour measuring device P is executed
The data for indicating the light source colour measured value usually measured are sent to control device by the light source colour measurement usually measured
1020, temperature measurement is executed, the data for indicating temperature variation amount are sent to control device 1020.In the light source face usually measured
In color measurement, the optical path 1060 for being incident on the light of the optical sensor 1042 used in light source colour measurement is beaten by shutter 1040
It opens, the light for becoming the object of light source colour measurement is incident on optical sensor 1042, corresponding to the intensity of incident light and color
Signal from optical sensor 1042 export.In the light source colour measurement usually measured, the illuminator such as liquid crystal display panel is determined
Brightness and color.Temperature measurement in, temperature sensor 1043 detect optical sensor 1042 temperature, acquisition unit 1044 from
The temperature detected obtains temperature variation amount.The data for indicating acquired temperature variation amount are sent to control by acquisition unit 1044
Device 1020.Temperature variation amount is that the temperature of the optical sensor 1042 newly detected is stored relative in memory element 1045
The variation of the temperature for the optical sensor 1042 that previous timing detects.Also can detecte the temperature in addition to optical sensor 1042 with
The internal temperature of outer light source colour measuring device P.
In the case where the mode of light source colour measuring device P is correction mode, light source colour measuring device P execution is used for
The light source colour of correction measures, and the data for indicating the measured value of the light source colour for being used to correct measurement are stored in memory element
In 1045.In the light source colour measurement for correction, optical path 1060 is cut off by shutter 1040, is surveyed so that becoming light source colour
The light of the object of amount will not be incident on optical sensor 1042, from the output of optical sensor 1042 in the object for becoming light source colour measurement
Light will not be incident on optical sensor 1042 in the case where signal, temperature variation amount is reset.Therefore, it is executing for correcting
Light source colour measurement before, operating motor 1041 drive shutter 1040 prior drive actions so that shutter
1040 cutting optical paths 1060.Prior drive actions are the drive actions for preparing the light source colour measurement for correction.This
Outside, after executing the light source colour measurement for correction and storing the data for indicating measured value, operating motor 1041 is driven
The subsequent drive actions of dynamic shutter 1040, so that shutter 1040 opens optical path 1060.Therefore, it serially executes in advance
Drive actions, light source colour measurement and subsequent drive actions.It is because timing is that timing temperature variation amount, which is reset,
The starting point that the measurement of temperature variation amount starts.
In the case where the mode of light source colour measuring device P is temperature information output mode, light source colour measuring device P
Execute temperature measurement.In temperature measurement, temperature sensor 1043 detects the temperature of optical sensor 1042, and acquisition unit 1044 is from inspection
The temperature measured obtains temperature variation amount.The data for indicating acquired temperature variation amount are sent to control dress by acquisition unit 1044
Set 1020.
The meaning of 1.5 detection temperature variation amounts
The characteristic of optical sensor 1042 has temperature dependency.For example, in the case where optical sensor 1042 is silicon cell,
The sensitivity of optical sensor 1042 only has minimum temperature coefficient, but the offset voltage (offset of optical sensor 1042
Voltage) with about -2mV/ DEG C of slightly big temperature coefficient.In addition, becoming the light for the object that light source colour measures
The range of brightness is about 10- 3To 106cd/m2, and the brightness for becoming the light of the object of light source colour measurement is as the range
Lower limit 10- 3cd/m2In the case where, the signal level of the signal exported from optical sensor 1042 is carrying out voltage transformation
Moment only arrives several mV.Therefore, in order to maintain sufficient measurement accuracy to faint light in the environment of temperature change, acquired
In the case that temperature variation amount is more than the temperature variation amount of measurement accuracy for being able to maintain that requirement, pass through the operation based on measured value
To eliminate offset component.In addition, the means of removal offset component not only include operation, it further include the compensation based on circuit.
1.6 control device
As illustrated in fig. 1, control device 1020 has main body 1080 and power supply 1081.Main body 1080 has interface
1100, control unit 1101 and determination unit 1102.
On interface 1100, it is connected with light source colour measuring device P1、P2、P3、……、PN。
Control unit 1101 controls light source colour measuring device P1、P2、P3、……、PN。
The ratio of the capacity of the electric power according to needed for 1 motor 1041 of driving of determination unit 1102 and power supply 1081, determines
The number for the motor 1041 that can be driven simultaneously.In the first embodiment, it is determined as the motor that can be driven simultaneously
1041 number is 1.
Power supply 1081 is AC adapter, battery etc., powers to main body 1080, sets via main body 1080 to light source colour measurement
Standby P1、P2、P3、……、PNPower supply.Therefore, main body 1080 is driven by power supply 1081, to light source colour measuring device P1、P2、
P3、……、PNPower supply.
Communication between 1.7 control devices and light source colour measuring device.
Fig. 4 is the block diagram of the flowing of the electric power and information in the light source colour measuring system for illustrate first embodiment.
In the case where the mode of light source colour measuring device P is usual measurement pattern, control unit 1101 will be used for usually
The measurement instruction of measurement is sent to light source colour measuring device P.Light source colour measuring device P receives transmitted from control unit 1101
The measurement instruction for usually measuring, and execute in response to the reception for the measurement instruction usually measured light source colour survey
Amount, and the data for indicating the measured value of light source colour measurement are sent to control unit 1101.
In the case where the mode of light source colour measuring device P is correction mode, control unit 1101 will be used for the survey of correction
Amount instruction is sent to light source colour measuring device P.Light source colour measuring device P receives transmitted for school from control unit 1101
Positive measurement instruction, and light source colour measurement is executed in response to the reception for the measurement instruction of correction, and will indicate to complete
The completion signal of correction is sent to control unit 1101.Indicate that the data of the measured value of light source colour measurement can also be sent to control
Device 1020 processed.In addition, control unit 1101 is sent control signals in the timing for making motor 1041 drive shutter 1040
Light source colour measuring device P.Light source colour measuring device P receives transmitted control signal from control unit 1101, and in response to
It controls the reception of signal and motor 1041 is made to execute the drive actions for driving shutter 1040, and when completing drive actions
It will complete signal and be sent to control unit 1101.Control unit 1101 receives transmitted completion signal from light source colour measuring device P.
In the case where the mode of light source colour measuring device P is temperature information output mode, control unit 1101 will be requested
The instruction of temperature variation amount is sent to light source colour measuring device P.Light source colour measuring device P is sent out from the reception of control unit 1101
The instruction for the request temperature variation amount sent, and temperature measurement is executed in response to requesting the reception of the instruction of temperature variation amount, and
The data for indicating temperature variation amount are sent to control unit 1101.Control unit 1101 is sent out from light source colour measuring device P reception
The data for the expression temperature variation amount sent.Also it can replace temperature variation amount or other than temperature variation amount, in response to asking
It asks the reception of the instruction of comparison information and sends the data for indicating comparison information, wherein the comparison information indicates preset fair
Perhaps it is worth the comparison result with temperature variation amount.The data of expression temperature itself can also be sent to replace temperature variation amount.At this
In the case of, multiple temperature of the control device 1020 from the mutually different multiple moment received from light source colour measuring device P
Obtain temperature variation amount.
In light source colour measuring device P, it is continuously detected the temperature of optical sensor 1042.Therefore, in temperature variation
In the case that amount has been more than permissible value, light source colour measuring device P can also will recommend the signal of correction to send out in arbitrary timing
Give control unit 1101.
The control of control unit 1101 obtains the timing of temperature variation amount, so that light source colour measuring device P1、P2、P3、……、
PNIn correction do not hindering the timing continuously measured carry out.For example, being carried out after measurement before and the measurement before this
After measurement between the sufficient situation of time interval under, the waiting of measurement before and after measurement before and later
Temperature variation amount is obtained in time, and correction is completed before measurement later.
1.8 correction timing controlleds
Control unit 1101 controls light source colour measuring device P1、P2、P3、……、PN, so that in light source colour measuring device
P1、P2、P3、……、PNIn temperature variation amount at least part be more than permissible value in the case where, light source colour measure
Equipment P1、P2、P3、……、PNWhole in carry out zero correction simultaneously.
The 1.9 time-controlled first embodiments of correction
Fig. 5 A and Fig. 5 B be illustrate first embodiment light source colour measuring system in temperature variation amount at any time
Variation and execute correction timing first embodiment timing diagram.
The timing that the illustrated temperature variation amount of Fig. 5 A and Fig. 5 B changed with time and executed correction is following feelings
It changes with time under condition and timing: N 4, prior drive actions, light source colour measurement and subsequent drive actions
Time needed for executing is respectively about 0.25 second, 3 seconds and about 0.25 second, and being corrected the required time is about 3.5 seconds.This when
Between be in addition to transmitting and receiving processing etc. other than, be corrected the required shortest time.In addition, Fig. 5 A and Fig. 5 B are illustrated
The timing that temperature variation amount changed with time and executed correction is setting light source colour measuring device P1、P2、P3And P4's
It changes with time in the case where the temperature change of environment several DEG C and timing.
As light source colour measuring device P1、P2、P3And P4Under identical temperature environment in the case where use, light source face
Color measuring device P1、P2、P3And P4In the temperature of optical sensor 1042 that has change over time substantially samely.Therefore, when
Light source colour measuring device P1、P2、P3And P4Under identical temperature environment in the case where use, light source colour measuring device
P1、P2、P3And P4In temperature variation amount changed over time substantially samely as illustrated in Fig. 5 A.
But even if in light source colour measuring device P1、P2、P3And P4The case where being used under identical temperature environment
Under, light source colour measuring device P1、P2、P3And P4The temperature for the optical sensor 1042 having in though, which changes with time, is also
Right difference is small but different.Therefore, even if in light source colour measuring device P1、P2、P3And P4In identical temperature environment
In the case where lower use, light source colour measuring device P1、P2、P3And P4In temperature variation amount time change also such as Fig. 5 A
Although illustrated difference like that is small but different.
Therefore, even if light source colour measuring device P1、P2、P3And P4Under identical temperature environment in the case where use,
It is also possible to occur as illustrated in Fig. 5 A in light source colour measuring device P1In temperature variation amount be more than as permit
Perhaps 3 DEG C of timing T being worth1Light source colour measuring device P2、P3And P4In temperature variation amount be not yet more than as permissible value
3 DEG C the case where.
In the first embodiment, due to imagining light source colour measuring device P1、P2、P3And P4The middle timing for needing to correct
It is close to each other, so as illustrated in Fig. 5 A and Fig. 5 B, in light source colour measuring device P1In temperature variation amount be more than conduct
3 DEG C of timing T of permissible value1, in light source colour measuring device P1、P2、P3And P4The middle correction C carried out respectively1、C2、C3And
C4It starts simultaneously at.Therefore, C is corrected1、C2、C3And C4It carries out simultaneously.Therefore, it is corrected C1、C2、C3And C4The required time
It is about 3.5 seconds.
1.10 time-controlled first comparative examples of correction
Fig. 6 A and Fig. 6 B are to illustrate temperature variation amount to change with time and executes first comparing for the timing corrected
The timing diagram of example.
In the first comparative example compared with first embodiment, as illustrated in Fig. 6 A and Fig. 6 B, measured in light source colour
Equipment P1In temperature variation amount be more than 3 DEG C of timing T as permissible value1, in light source colour measuring device P1The school of middle progress
Positive C1Start, in light source colour measuring device P2In temperature variation amount be more than 3 DEG C of timing T as permissible value2, in light source
Color measuring apparatus P2The correction C of middle progress2Start, in light source colour measuring device P3In temperature variation amount be more than as permit
Perhaps 3 DEG C of timing T being worth3, in light source colour measuring device P3The correction C of middle progress3Start, in light source colour measuring device P4
In temperature variation amount be more than 3 DEG C of timing T as permissible value4, in light source colour measuring device P4The correction C of middle progress4It opens
Begin.Therefore, C is corrected1、C2、C3And C4It does not carry out simultaneously.Thus, for example, in timing T1、T2、T3And T4In adjacent 2
It is divided between timing 3 to 4 seconds and corrects C1、C2、C3And C4Hardly interval time and in the case where serially executing,
It is corrected C1、C2、C3And C4The required time is about 14 seconds.
The 1.11 time-controlled second embodiments of correction
Fig. 7 A and Fig. 7 B be illustrate first embodiment light source colour measuring system in temperature variation amount at any time
Variation and execute correction timing second embodiment timing diagram.
The timing that the illustrated temperature variation amount of Fig. 7 A and Fig. 7 B changed with time and executed correction is following feelings
It changes with time under condition and timing: N 4, prior drive actions, light source colour measurement and subsequent drive actions
Time needed for executing is respectively about 0.25 second, 3 seconds and about 0.25 second, and being corrected the required time is about 3.5 seconds.This
Outside, it is setting light source colour that the illustrated temperature variation amount of Fig. 7 A and Fig. 7 B, which changes with time and execute the timing of correction,
Measuring device P1、P2、P3And P4Temperature change several DEG C of environment in the case where change with time and timing.
As light source colour measuring device P1、P2、P3And P4Under identical temperature environment in the case where use, light source face
Color measuring device P1、P2、P3And P4In temperature variation amount changed over time substantially samely as illustrated in Fig. 7 A.But
It is, even if in light source colour measuring device P1、P2、P3And P4Under identical temperature environment in the case where use, light source colour
Measuring device P1、P2、P3And P4Although temperature variation amount in the also difference as illustrated in Fig. 7 A that changes with time is small
But it is different.
In a second embodiment, as illustrated in Fig. 7 A and Fig. 7 B, in light source colour measuring device P1In temperature variation
Amount is more than 3 DEG C of the timing T as permissible value1, in light source colour measuring device P1、P2、P3And P4The middle correction carried out respectively
C1、C2、C3And C4It starts simultaneously at.Therefore, C is corrected1、C2、C3And C4It carries out simultaneously.It is corrected C1、C2、C3And C4It is required
Time be about 3.5 seconds.
According to second embodiment, in the case where continuously measurement in production process, due to correcting C1、C2、C3And C4
And after continuously measuring and having interrupted about 3.5 seconds, until light source colour measuring device P1、P2、P3Or P4In temperature variation amount it is super
Until crossing permissible value, continuous measurement continues.Therefore, C is corrected1、C2、C3And C4The influence generated to production process is small.
1.12 time-controlled second comparative examples of correction
Fig. 8 A and Fig. 8 B are to illustrate temperature variation amount to change with time and executes second comparing for the timing corrected
The timing diagram of example.
In the second comparative example compared with second embodiment, as illustrated in Fig. 8 A and Fig. 8 B, measured in light source colour
Equipment P1In temperature variation amount be more than 3 DEG C of timing T as permissible value1, in light source colour measuring device P1The school of middle progress
Positive C1Start, in light source colour measuring device P2In temperature variation amount be more than 3 DEG C of timing T as permissible value2, in light source
Color measuring apparatus P2The correction C of middle progress2Start, in light source colour measuring device P3In temperature variation amount be more than as permit
Perhaps 3 DEG C of timing T being worth3, in light source colour measuring device P3The correction C of middle progress3Start, in light source colour measuring device P4
In temperature variation amount be more than 3 DEG C of timing T as permissible value4, in light source colour measuring device P4The correction C of middle progress4It opens
Begin.Therefore, C is corrected1、C2、C3And C4It does not carry out but discontinuously carries out simultaneously.
According to the second comparative example, in the case where continuously measurement in production process, due to correcting C1And it continuously measures
After interruption, due to correcting C2、C3And C4And it continuously measures and further interrupts respectively.Therefore, C is corrected1、C2、C3And C4It is right
The influence that production process generates is big.When production process is the production process of display 1030, the interruption that continuously measures
Reforming for operation is forced sometimes, corrects C1、C2、C3And C4The influence generated to production process is bigger.
1.13 the advantages of being corrected simultaneously
Correction timing controlled according to first embodiment, while carrying out to eliminate the change of the temperature of optical sensor 1042
Dynamic influence and the light source colour measuring device P carried out1、P2、P3、……、PNIn correction, when shortening needed for the correction
Between.
In addition, correction timing controlled according to first embodiment, as light source colour measuring device P1、P2、P3、……、PN
It is used under identical temperature environment and light source colour measuring device P1、P2、P3、……、PNCharacteristic temperature system having the same
In the case where number, in light source colour measuring device P1、P2、P3、……、PNIn simultaneously be corrected after, light source colour measurement is set
Standby P1、P2、P3、……、PNIn temperature variation amount change with time and become generally uniform, in light source colour measuring device P1、
P2、P3、……、PNMiddle needs substantially while again correct, it is difficult to hinder continuous measurement.Such situation can be in the inspection of display
The light source colour measuring device P of same type is used in looking into etc.1、P2、P3、……、PNIn the case where occur.
In contrast, in light source colour measuring device P1、P2、P3、……、PNIn temperature variation amount be more than permissible value
In the case that timing disperses in time and corrected timing disperses in time, continuous measurement is tended to interfere with.
1.14 drivings/measurement timing controlled
Fig. 9 A~Fig. 9 D and Figure 10 are that the execution in the light source colour measuring system for illustrate first embodiment is various dynamic
The timing diagram that the timing of work and source current change with time.
The illustrated timing for executing various movements of Fig. 9 A~Fig. 9 D and Figure 10 and source current change with time
It is in light source colour measuring device P1、P2、P3、……、PNMode be correction mode and in light source colour measuring device P1、P2、
P3、……、PNIn carry out the timing in the case where zero correction simultaneously and change with time.The illustrated source current of Figure 10
It is due to prior drive actions and subsequent drive actions and from power supply 1081 to light source colour measuring device P1、P2、
P3、……、PNThe electric current of supply changes with time.
As illustrated in Fig. 9 A~Fig. 9 D and Figure 10, in light source colour measuring device P1、P2、P3、……、PNIn simultaneously into
In the case where row zero correction, light source colour measuring device P1、P2、P3、……、PNPrior drive actions B is executed respectively1、B2、
B3、……、BN, execute measure M for the light source colour of zero correction respectively1、M2、M3、……、MN, subsequent driving is executed respectively
Act A1、A2、A3、……、AN.Prior drive actions B1、B2、B3、……、BNM is measured in light source colour respectively1、M2、
M3、……、MNIt executes before.Subsequent drive actions A1、A2、A3、……、ANM is measured in light source colour respectively1、M2、
M3、……、MNIt executes later.Therefore, light source colour measuring device P1、P2、P3、……、PNPrior drive is serially executed respectively
Movement B1、B2、B3、……、BN, light source colour measure M1、M2、M3、……、MNAnd subsequent drive actions A1、A2、
A3、……、AN。
Prior drive actions BiIt is included in light source colour measuring device PiIn the driving of motor 1041 that has.Work as thing
First drive actions BiMiddle progress is in light source colour measuring device PiIn in the case where the driving of motor 1041 that has, light source
Color measuring apparatus PiIn the shutter 1040 that has by light source colour measuring device PiIn the motor 1041 that has drive,
So that in light source colour measuring device PiMiddle cutting optical path 1060.I be integer 1,2,3 ..., N it is each.
Subsequent drive actions AiIt is included in light source colour measuring device PiIn the driving of motor 1041 that has.Work as thing
Drive actions A afterwardsiMiddle progress is in light source colour measuring device PiIn in the case where the driving of motor 1041 that has, light source
Color measuring apparatus PiIn the shutter 1040 that has by light source colour measuring device PiIn the motor 1041 that has drive,
So that in light source colour measuring device PiMiddle opening optical path 1060.I be integer 1,2,3 ..., N it is each.
Prior drive actions B1、B2、B3、……、BNRespectively in mutually different timing TB1、TB2、TB3、……、TBNIt holds
Row.Light source colour measures M1、M2、M3、……、MNIt is performed simultaneously in timing TM.Subsequent drive actions A1、A2、A3、……、ANPoint
Not in mutually different timing TA1、TA2、TA3、……、TANIt executes.
Therefore, in light source colour measuring device P1、P2、P3、……、PNIn carry out zero correction and light source colour simultaneously and measure
M1、M2、M3、……、MNIn the case where being performed simultaneously, control unit 1101 controls light source colour measuring device P1、P2、P3、……、PN,
So that executing prior drive actions BiTiming TBiWith execute prior drive actions B respectively1、……、BI-1、Bi+1、……、
BNTiming TB1、……、TBI-1、TBi+1、……、TBNIt is different.I be integer 1,2,3 ..., N it is each.Prior driving is dynamic
Make BiIncluded in prior drive actions B1、B2、B3、……、BNIn.Prior drive actions B1、……、BI-1、Bi+1、……、
BNIncluded in prior drive actions B1、B2、B3、……、BNIn, but with prior drive actions BiIt is different.Executing thing as a result,
First drive actions BiIn the case where, control unit 1101 controls light source colour measuring device P1、P2、P3、……、PN, so that from electricity
The electric power that source 1081 is supplied is no more than the capacity of power supply 1081.
Control unit 1101 makes in prior drive actions B1、B2、B3、……、BNAnd subsequent drive actions A1、A2、
A3、……、ANIn the number of drive actions that is performed simultaneously and the motor that can be driven simultaneously that is determined by determination unit 1102
1041 number is consistent.Therefore, make the drive actions being performed simultaneously number change so that from power supply 1081 supply electric power not
More than the capacity of power supply 1081.In the first embodiment, the number for the drive actions being performed simultaneously is 1.But it holds simultaneously
The number of capable drive actions is also possible to 2 or more.
Driving according to first embodiment/measurement timing controlled is executing prior drive actions B1、B2、B3、……、
BNAnd subsequent drive actions A1、A2、A3、……、ANIn the case where, the maximum value of source current is restricted to for driving 1
Source current needed for a motor 1041, source current are homogenized in time, and source current will not generate big peak
(peak) value.This is helped so that in light source colour measuring device P1、P2、P3、……、PNIn the case where carrying out zero correction simultaneously
Under, by executing prior drive actions B1、B2、B3、……、BNAnd subsequent drive actions A1、A2、A3、……、ANWhen
It is supplied to light source colour measuring device P1、P2、P3、……、PNElectric power and from power supply 1081 supply electric power be no more than power supply
1081 capacity.This advantage becomes in the case where power supply 1081 is limited for the capacity of AC adapter, battery etc. and power supply 1081
Must be especially significant, at this point, helping to inhibit the reduction of supply voltage and act while circuit stability can be made.
The present invention is described in detail, but above-mentioned explanation is to illustrate in terms of whole, present invention is not limited to this.It answers
It is construed to it is contemplated that the multiple variations not illustrated do not exceed the scope of the present invention.
Industrial applicibility
Color measurement system of the invention can be led in the color measuring for executing color measuring by multiple color measuring apparatus
It is utilized in domain.
Label declaration
1000 light source colour measuring systems
1020 control devices
1040 shutters
1041 motor
1081 power supplys
P1、P2、P3、P4、……、PNLight source colour measuring device
P light source colour measuring device
C1、C2、C3、C4Correction
B1、B2、B3、……、BNPrior drive actions
M1、M2、M3、……、MNLight source colour measurement
A1、A2、A3、……、ANSubsequent drive actions
Claims (3)
1. a kind of color measurement system, has:
First to N color measuring apparatus, has first respectively to N temperature sensor, and described first to N temperature sensor
Detection first is to N internal temperature respectively, the integer that wherein N is 2 or more；And
Control device is connected with described first to N color measuring apparatus, and controls described first to N color measuring apparatus,
So that at least part in the first to the N temperature variation amount obtained respectively from described first to N internal temperature is more than
In the case where permissible value, it is corrected simultaneously in described first to N color measuring apparatus whole.
2. color measurement system as described in claim 1,
Described first has first to N acquisition unit to N color measuring apparatus respectively,
Described first obtains described first to N temperature variation to N acquisition unit from described first to N internal temperature respectively
Amount, and the control device is sent respectively to by described first to N temperature variation amount.
3. color measurement system as claimed in claim 1 or 2,
Described first executes first to N drive actions to N color measuring apparatus respectively, executes first respectively to N color
Measurement,
Described first to N drive actions be respectively be used to prepare described first to N color measuring drive actions,
Described first is respectively used to first correction into N color measuring apparatus to N color measuring,
In the case where being corrected simultaneously in described first to N color measuring apparatus whole, the control device control
Described first to N color measuring apparatus so that be performed simultaneously described first to N color measuring, and execute described first to
The timing for first at least one drive actions for including in N drive actions is wrapped with execution described first into N drive actions
The timing of second at least one drive actions that are containing and being different from first at least one drive actions is different.
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| JP2016-240172 | 2016-12-12 | ||
| JP2016240172 | 2016-12-12 | ||
| PCT/JP2017/043393 WO2018110333A1 (en) | 2016-12-12 | 2017-12-04 | Color measurement system |
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| JP (1) | JP6780708B2 (en) |
| CN (1) | CN110050175B (en) |
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| JP2015030221A (en) * | 2013-08-05 | 2015-02-16 | キヤノン株式会社 | Image forming apparatus, image forming method, and program for executing the image forming method |
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| JP5901390B2 (en) * | 2012-03-30 | 2016-04-06 | キヤノン株式会社 | Light emitting device and calibration method thereof |
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| CN110050175B (en) | 2021-07-06 |
| JP6780708B2 (en) | 2020-11-04 |
| WO2018110333A1 (en) | 2018-06-21 |
| JPWO2018110333A1 (en) | 2019-10-24 |
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