CN108028918A - Image signal generator and display measuring device - Google Patents
Image signal generator and display measuring device Download PDFInfo
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- CN108028918A CN108028918A CN201680052588.2A CN201680052588A CN108028918A CN 108028918 A CN108028918 A CN 108028918A CN 201680052588 A CN201680052588 A CN 201680052588A CN 108028918 A CN108028918 A CN 108028918A
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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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
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Abstract
Its object is to shorten the measurement of the multiple images shown successively in the display from beginning to the required time for the measurement for terminating all images.In order to reach the purpose, image signal generator possesses：Picture signal generating unit is used in display, is changed display corresponding with image while generating repeatedly with picture signal in a manner of the content of the image to make to be shown in display is time-varying；Output interface, for display to be output to display with picture signal with the display that picture signal generating unit generates；And notification signal generating unit, the change timing in response to display with picture signal generating unit change display picture signal, generation are used for the notification signal for notifying change timing.
Description
Technical field
It is used for the image signal generator and tool of the picture signal for the characteristic for measuring display the present invention relates to generation
The display measuring device of standby image signal generator.
Background technology
In patent document 1, disclose using the stream of action as shown in the display measuring device 1500 of Fig. 6 according to Fig. 9
Journey adjusts the display measuring system 1700 of the white balance of display 1200.That is, in step S1000, computer 1000 refers to
Make image signal generator (also referred to as " flying-spot video generator " and " pattern generator (pattern generator) ")
1100 the 1st blank level adjustment images of output.Thus, image signal generator 1100 is defeated by the 1st blank level adjustment image
Go out to display 1200.1st blank level adjustment is, for example, that luminance signal Y value is for example pressed into domain in signal is formed with image
10% or so dark netrual colour image.Therefore, the image of dark grey is mapped out in display 1200.As more than this
Sample, when the 1st blank level adjustment is output with image, computer 1000 is accepted from colour analyzer in step S1100
1300 brightness, the input of chromatic value.For example, in the present embodiment, it is set to represent brightness, chromatic value by Lv, x, y value.
When the input of brightness and color value is accepted in step S1100, in 1000 instruction figure picture of step S1200 Computers
Signal generation apparatus 1100 exports the 2nd blank level adjustment image.That is, in step S1000 and step S1200, time segmentation
The 1st mutually different blank level adjustment of ground display brightness is with image and the 2nd blank level adjustment image.2nd blank level adjustment is used
Image is the image for 90% or so the bright netrual colour that luminance signal Y value is for example brought up to domain.Therefore, in display
The image of bright grey is mapped out in 1200.When the 2nd blank level adjustment is output with image, computer 1000 is in step
The brightness from colour analyzer 1300, the input of chromatic value are accepted in S1300.
When brightness, the input of chromatic value are accepted in step S1300, in 1000 instruction figure of step S1400 Computers
As signal generation apparatus 1100 exports the 3rd blank level adjustment image.3rd blank level adjustment is by luminance signal Y value with image
Such as it is set to the image of the netrual colour of 50% of domain or so intermediate luminance.Therefore, grey is mapped out in display 1200
Image.When the 3rd blank level adjustment is output with image, computer 1000 is accepted from colour analyzer in step S1500
1300 brightness, the input of chromatic value.By more than in this way, computer 1000 can obtain it is different from netrual colour and brightness respectively
The corresponding brightness of the blank level adjustment image of image~the 3rd of the 1st blank level adjustment, chromatic value.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2008-141587 publications
The content of the invention
However, in the method for patent document 1, since computer is accepting the brightness from colour analyzer, chromatic value
Image signal generator output blank level adjustment image is instructed afterwards, so being connected there are each step in time series
So that the time-consuming problem in adjustment.
The present invention completes to solve the problems, such as such, its purpose is to provide one kind can display when
Between on show multiple images successively to shorten in the case of measuring each image from the measurement of image is started to terminating all images
The technology of the required time of measurement.
In order to solve the above problems, the 1st scheme provides a kind of image signal generator, possesses：Display picture signal
Generating unit, uses display corresponding with described image in a manner of the content of the image to make to be shown in display is time-varying
Picture signal is changed while generating repeatedly；Output interface, for the institute for generating the display with picture signal generating unit
State display and be output to the display with picture signal；And notification signal generating unit, in response to the display picture signal
Generating unit changes the change timing of the display picture signal, and generation is used for the notification signal for notifying the change timing.
2nd scheme provides a kind of display measuring device, possesses：Image signal generator based on the 1st scheme；Photoelectricity
Inverting element, receives by being supplied to the display picture signal and shows image corresponding with the display picture signal
Light that the display is radiated simultaneously is transformed to electric signal；Photosignal acquisition unit, obtains the components of photo-electric conversion change and gets in return
The electric signal arrived；And control unit, the notification signal is detected, controls the photosignal to obtain in response to the notification signal
Portion is taken, so that the photosignal acquisition unit obtains the electric signal.
Display measuring device based on the 3rd scheme is the display measuring device based on the 2nd scheme, wherein, the control
Portion processed controls the photosignal acquisition unit so that from being generated the notification signal by when time set in advance institute
State photosignal acquisition unit and obtain the electric signal.
Display measuring device based on the 4th scheme is the display measuring device based on the 2nd scheme or the 3rd scheme,
Wherein, the display measuring device possesses the colour analyzer with described image signal generation apparatus independence, the colour point
Parser possesses the photosignal acquisition unit and the control unit, and described image signal generation apparatus is also equipped with believing the notice
The output interface of outside number is output to, the colour analyzer is also equipped with the described of input described image signal generation apparatus output
The input interface of notification signal.
According to the invention based on the 1st scheme, in response to the change timing of display picture signal, image signal generator
The generation of notification signal generating unit be used to notify the notification signal of the change timing.Therefore, for example have in display measuring system
The standby image signal generator, colour analyzer and in the case of controlling their computer, fill in picture signal
Put according to the original image signal that computer supplies and generate the display picture signal for the display being suitable in display and export
In the case of display, computer by notification signal without being output to colour analyzer.That is, without colored point of computer control
The measurement action of parser.Generation thereby, it is possible to concurrently carry out using the original image signal of computer handles and utilizes colour
The measurement of the display of analyzer, therefore the measurement extremely knot that colour analyzer starts the image that display is shown successively can be shortened
The required time of the measurement of Shu Suoyou images.
According to the invention based on the 2nd scheme, due to control unit control in response to notification signal photosignal acquisition unit with
So that photosignal acquisition unit obtains electric signal, so for example in computer using the basic artwork as display picture signal
In the case of being supplied to image signal generator as signal, computer need not supply notification signal.Therefore, it is possible to concurrently into
Acquisition of the row using the electric signal of photosignal acquisition unit and the generation of the original image signal using computer.Therefore, it is possible to contract
Short colour analyzer starts the measurement for the image that display is shown successively to the required time for the measurement for terminating all images.
According to the invention based on the 3rd scheme, control unit control photosignal acquisition unit, so that from generation notification signal
Rise and obtain electric signal by photosignal acquisition unit during the time set in advance.Therefore, as long as the set time is set as
The time that the display characteristic of the liquid crystal of display is stablized, then can make the measurement value stabilization of the characteristic of display.
Brief description of the drawings
Fig. 1 is aobvious to measure using the display measuring system for the display measuring device for possessing embodiment for illustrating
Show the figure of the situation of the characteristic of device.
Fig. 2 is the block diagram of an example of the structure for the display measuring system for showing Fig. 1.
Fig. 3 is the figure of an example of the action sequence for the display measuring system for showing Fig. 1.
Fig. 4 is the figure of other examples of the action sequence for the display measuring system for showing Fig. 1.
Fig. 5 is for the image signal generator generation display picture signal of explanatory drawin 1 and the action of notification signal
Figure.
Fig. 6 is aobvious to measure using the display measuring system for the display measuring device for possessing the prior art for illustrating
Show the figure of the situation of the characteristic of device.
Fig. 7 is the block diagram of the structure for the display measuring system for showing Fig. 6.
Fig. 8 is the figure of the action sequence for the display measuring system for showing Fig. 6.
Fig. 9 is the flow chart of the motion flow of the blank level adjustment for the display measuring system progress for being shown with Fig. 6.
(symbol description)
500：Display measuring device；700：Display measuring system；100：Computer；102：Systems control division；104：
Original image signal generation portion；110：Image signal generator；112：Picture signal generating unit is used in display；114：Output interface；
116：Notification signal generating unit；118：Notification signal output interface (output interface)；120：Display；130：Colour analyzer；
130A：Optical sensor portion；130B：Measuring device main body；132：The components of photo-electric conversion；134：Photosignal acquisition unit；136：
Notification signal input interface (input interface)；138：Control unit；g1：Original image signal；g2：Display picture signal；s1：Notice
Signal.
Embodiment
Hereinafter, with reference to the accompanying drawings of embodiment.Following embodiment is an example for embodying the present invention, and
The example of non-limiting technical scope of the invention.In the accompanying drawings, to have the function of same structure and part add it is identical
Symbol, the repetitive description thereof will be omitted in the following description.
<The structure of the display measuring device of embodiment>
Fig. 1 is for illustrating the display measuring system 700 using the display measuring device 500 for possessing embodiment
Measure the figure of the situation of the characteristic of display 120.Fig. 2 is the frame of an example of the structure for showing display measuring system 700
Figure.
Display measuring system 700 is configured to possess display measuring device 500 and Comprehensive Control display measuring device
500 computer 100.Display measuring device 500 possesses image signal generator 110 and colour analyzer 130.Image is believed
Number generating means 110 and colour analyzer 130 are mutually independent equipment.Image signal generator 110 and colour analyzer
130 can also be integrally formed.
(" schemed using the computer 100 and image signal generator of system control on 700 one side of display measuring system
Shape generator ") display content of 110 changes as the display 120 of measured object, while utilizing colour analyzer (" measurement
Device ") 130 measure the display content.Thus, the characteristic of display 120 is evaluated.Display measuring system 700 is for example according to measurement
As a result the adjustment of the white balance of display 120 is carried out.
Computer 100 possesses the systems control division 102 of control display measuring system 700 and for example generates in white balance tune
The original image signal generation portion 104 of the whole middle original image signal g1 used.Computer 100 is also equipped with output original image signal generation
The output section (illustration omitted) for the original image signal g1 that portion 104 generates, display measuring device is supplied to by original image signal g1
500 image signal generator 110.The output section is for example made of HDMI (registration mark) output port.For example, pass through meter
The CPU of calculation machine 100 performs predetermined program and generates each pixel value of each image according to the definition information of each image and be stored into
Video memory etc., realizes original image signal generation portion 104.
The input unit that image signal generator 110 possesses the original image signal g1 that input is exported from computer 100 (is omitted
Diagram), display use picture signal generating unit 112, output interface 114 and notification signal generating unit 116.The input unit for example by
HDMI input ports (illustration omitted) are formed.
Display is with picture signal generating unit 112 with the content of the image shown in display (" display pannel ") 120
Time-varying mode, will display picture signal g2 corresponding with the image while change, on one side repeatedly generation display
With picture signal g2.Display picture signal generating unit 112 is for example configured to possess：Memory, provisionally storage are input to defeated
Enter the original image signal g1 in portion；Signal shaping portion (illustration omitted), the original image signal g1 shapings that will be stored in the memory
For display picture signal g2 corresponding with the display size of display 120；And video memory M1, M2 (Fig. 5), alternately store up
Deposit the display picture signal g2 generated repeatedly.(extraction) and display 120 are extracted from original image signal g1 in signal shaping portion
The corresponding signal corresponding with image of display size, generation display picture signal g2.For example, pass through image signal generator
110 CPU performs the predetermined program for carrying out image zooming-out, realizes signal shaping portion.In addition, signal shaping is described in detail below
Portion and the action of notification signal generating unit 116.
Output interface 114 exports the display picture signal g2 that display is generated with picture signal generating unit 112.Output is shown
Show the display 120 being input into by the use of picture signal g2 as check object.In display 120, map out and scheme with display
As the corresponding blank level adjustment images of signal g2.Output interface 114 according to the lead-out terminal of predetermined standard for example by forming.
Notification signal generating unit 116 changes display picture signal g2's in response to display picture signal generating unit 112
Change timing, generation are used for the notification signal s1 for notifying the change timing.Notification signal generating unit 116 is deposited by detecting in image
The display stored respectively in reservoir M1, M2 is mutually different with picture signal g2, generation notification signal s1.Notification signal s1 is, for example,
Signal with 1 pulse.Notification signal s1 is the measurement for making colour analyzer 130 start the image that display 120 is shown
Trigger signal.For example, the CPU carried by comparison circuit, notification signal generating unit 116 performs predetermined program, realize logical
Know signal generation portion 116.
Image signal generator 110 is also equipped with notification signal s1 being output to the notification signal output interface of outside (also
Referred to as " output interface ") 118.Notification signal output interface 118 is for example made of output port.From notification signal output interface
The notification signal s1 of 118 outputs is input into the notification signal input interface 136 of colour analyzer 130.
Colour analyzer 130 possesses optical sensor portion 130A and measuring device main body 130B.Optical sensor portion 130A
Possess the components of photo-electric conversion 132, measuring device main body 130B possesses photosignal acquisition unit 134, notification signal input interface (also
Referred to as " input interface ") 136 and control unit 138.
The components of photo-electric conversion 132 receive display and the display radiation of display 120 of the corresponding images of picture signal g2
Light is simultaneously transformed to electric signal e1.Photosignal acquisition unit 134 obtains the components of photo-electric conversion 132 and converts obtained electric signal e1.Light
Electric inverting element 132 is formed such as 3 photoelectric tubes of the light by receiving each wave filter by tristimulus values XYZ.Control unit
138 detection notice signal s1, photosignal acquisition unit 134 is controlled in response to notification signal s1, so that photosignal obtains
Portion 134 obtains electric signal e1.In the control, control unit 138 controls photosignal acquisition unit 134, so that logical from generation
Know that signal s1 rises and obtain electric signal e1 by photosignal acquisition unit 134 during the time set in advance.For example, pass through color analysis
The CPU of device 130 performs predetermined program, realizes photosignal acquisition unit 134, control unit 138 respectively.
The notification signal s1 of 136 received image signal generating means 110 of notification signal input interface output.Notification signal is defeated
Incoming interface 136 by input port such as forming.
Colour analyzer 130 also has：Operational part (illustration omitted), the electricity got according to photosignal acquisition unit 134
Signal e1, computing brightness, chromatic value；The storage units such as memory (illustration omitted), store brightness, colourity that the operational part calculates
Value.The output for sending outputting measurement value to the control unit 138 of colour analyzer 130 in the systems control division 102 of computer 100 is ordered
When making, the control unit 138 of colour analyzer 130 exports the brightness stored in storage unit, chromatic value to computer 100.
Next, signal shaping portion and the notification signal generating unit 116 of image signal generator 110 is described in detail.
Fig. 5 is for illustrating that image signal generator 110 generates the figure of the action of display picture signal g2 and notification signal s1.Meter
Image signal generator 110 is identified as the second monitor by calculation machine 100, the original that will be generated by original image signal generation portion 104
Picture signal g1 is output to image signal generator 110 according to HDMI standard.
By the display size extraction of display 120, to be input to its defeated by signal shaping portion for image signal generator 110
Enter the original image signal g1 in portion, generation display picture signal g2.By carrying out shaping to original image signal g1, generation display is used
Picture signal g2.The display picture signal g2 that image signal generator 110 generates display picture signal generating unit 112
It is stored into video memory M1.Original image signal g1 is, for example, what is generated according to NTSC modes, so determining in synchronous with 60Hz
When input original image signal g1 then.
The display of image signal generator 110 presses display 120 with picture signal generating unit 112 by signal shaping portion
The display size original image signal g1 that newly inputs of extraction and generate new display picture signal g2, be stored into video memory
M2.On the other hand, output interface 114 is also alternately defeated to display 120 from video memory M1, M2 in the timing synchronous with 60Hz
Go out display picture signal g2.
In output interface 114 after display is output to display 120 by video memory M1 with picture signal g2, signal
The original image signal g1 that shaping portion is then inputted by the display size extraction of display 120, as new display picture signal
G2 is stored into video memory M1.In addition, display is output to picture signal g2 from video memory M2 in output interface 114
After display 120, signal shaping portion is then inputted the original image signal g1 come by the display size extraction of display 120, is made
For new display video memory M2 is stored into picture signal g2.
That is, display picture signal g2 is alternately stored into video memory M1 and video memory by signal shaping portion all the time
M2, output interface 114 replace the display picture signal g2 after shaping from video memory M1 and video memory M2 all the time
It is output to display 120.In this wise have 2 video memories and all the time alternately store, export be in order to avoid send out
It is raw to access same area at the same time so that chaotic failure occurs for image due to occurring to write in the readout process.
Notification signal generating unit 116 monitors the display figure stored in video memory M1 and video memory M2 all the time
As signal g2.Specifically, the display picture signal stored in video memory M1 and video memory M2 is compared all the time
The pixel p 1 of 1st pixel of each video memory in g2, the respective rgb values of q1, if rgb value is deposited between pixel p 1, q1
Changing, then generating notification signal s1.For example, 1st pixel of the display stored in video memory M1 with picture signal g2
For RGB (255,255,255) when, stored in the 1st pixel of video memory M2 RGB (255,255,255) image letter
Notification signal s1 is not generated in the case of number, in the case where storing the display of RGB (120,120,120) with picture signal g2
Generate notification signal s1.In addition, in the present embodiment, using the change of the rgb value of the 1st pixel of video memory M1, M2 come
Detection and the display lightness of the corresponding images of picture signal g2, the change of color, but the method for detection is not limited to this implementation
The method of example, as long as it can detect and show in the timing before display will being output to display 120 with picture signal g2
Show the lightness with the corresponding images of picture signal g2, the method for the change of color.
<The measurement procedure of the display measuring device of embodiment>
Fig. 3 is the figure of an example of the action sequence for showing display measuring system 700.In display measuring system
During the measurement of 700 beginning displays 120, computer 100 generates (action A) the 1st original image signal g1, output original image letter first
Number g1.The time t1 of tens ms is needed during this period.Time t1 is, for example, 45ms.
Next, the display of image signal generator 110 presses display with the signal shaping portion of picture signal generating unit 112
The display size of device 120 extracts the 1st original image signal g1 of input and generates the 1st display picture signal g2.Display image
After signal generation portion 112 generates display with picture signal g2, interim storage (action B) arrives video memory M1, from output
Interface 114 is output to display 120.The time t2 of tens ms is needed further exist for during this period.Time t2 is, for example, 35ms.
Next, the 1st display is input to examined display 120 with picture signal g2, mapped in display 120
Go out (action D) image corresponding with the 1st display picture signal g2.Display 120 is made of liquid crystal, in its characteristic, until
The time t3 of tens ms is expended untill the brightness of the image mapped out, chroma stability.Time t3 is, for example, 70ms.
On the other hand, notification signal generating unit 116 monitors the display image stored in video memory M1, M2 all the time
Signal g2, if the rgb value of the 1st pixel of the 1st display picture signal g2 stored in video memory M1 with image
The display stored in memory M2 is different with the rgb value of the 1st pixel of picture signal g2, then output notice signal s1 is (additional
The top for having the up-side down triangle of oblique line represents the output timing of notification signal s1).In addition, stored in video memory M1 and image
The picture signal of RGB (0,0,0) is stored as initial value in device M2.Then, the notice exported from notification signal output interface 118
Signal s1 is input into the notification signal input interface 136 of colour analyzer 130.
If notification signal s1 is input into notification signal input interface 136, the control unit 138 of colour analyzer 130
After carrying out stablizing for above-mentioned liquid crystal and waiting (action C), (such as and then pass through the stabilization of liquid crystal in predetermined timing
The timing after time t3 needed for changing), photosignal acquisition unit 134 is obtained (action E) change of components of photo-electric conversion 132 and get in return
The electric signal e1 arrived.For example, after the control unit 138 of colour analyzer 130 detects notification signal s1, control unit 138 makes
Electric signal e1 is obtained with the backward components of photo-electric conversion 132 of the process of timer stand-by period t3, so as to carry out the acquisition action.
Control unit 138 carries out predetermined computing by the electric signal e1 got to photosignal acquisition unit 134, obtains
The brightness of the image shown in display 120, chromatic value.The brightness got, chromatic value are stored into storage and used by control unit 138
Memory.
On the other hand, after the 1st original image signal g1 is exported, system for computer control unit 102 is by true in advance
Start the generation (action A) of the 2nd original image signal g1 after the fixed time.That is, systems control division 102 switches original image signal
g1.On at the time of in-process, this periodically (scratches the top of white up-side down triangle in the time t3 for stablizing wait for carrying out liquid crystal
End represents the timing of the switching of original image signal g1).
According to obtaining the viewpoint of the high measured value of reliability, stablizing for above-mentioned liquid crystal waits (action C) and electric signal e1
Obtaining (action E) is to carry out parallel and is all necessary action.Therefore, in display measuring system 700, preferably as schemed
Computer 100 shown in 3 carries out original image signal in a manner of not vacating the time and can alternately be carried out continuously action C and action E
The switching of g1.Thereby, it is possible to the time needed for the measurement for the multiple images for making to be shown in display 120 successively in time is minimum
Change.In addition, for the measurement stablized, a degree of time can also be spaced apart in action C and action E.
Same action is repeated afterwards, all complete with the measurement of the corresponding each images of picture signal g2 with each display
Into afterwards, measured value output order is sent to the control unit 138 of colour analyzer 130 in the systems control division 102 of computer 100
When, control unit 138 exports the brightness stored in storage unit, chromatic value to computer 100.
In addition it is also possible to then whenever colored with the end of measurement of each display with the corresponding each images of picture signal g2
Analyzer 130 will represent that the signal that is measured returns to the action of the systems control division 102 of computer 100, in time according to
The secondary output for carrying out the brightness, chromatic value to computer 100.Fig. 4 shows the action sequence.
Fig. 4 is the figure of the other examples for the action sequence for showing display measuring system 700.In the action shown in Fig. 3
In sequence, in display measuring system 700, terminate in colour analyzer 130 in order to adjust and in display 120 in time
After the measurement of the multiple images shown successively, computer 100 obtains all measurement results from colour analyzer 130.Relative to
This, in action sequence shown in Fig. 4, after being completed using the measurement of 1 image of colour analyzer 130 action E, is being counted
Calculation machine 100 start to generate the action A of original image signal g1 then before time t4 in measure the transfer of result and act
F.Thus, each original image signal g1 can be output to by computer 100 with the time interval identical with the action sequence shown in Fig. 3
Image signal generator 110, and colour analyzer 130 carries out the measurement of display 120.
In addition, in display measuring system 700, computer 100 possesses the original image signal of generation original image signal g1
Generating unit 104, but can also for example be set to image signal generator 110 and possess original image signal generation portion 104, and calculate
The systems control division 102 of machine 100 sends image signal generator 110 order of generation original image signal g1.
In addition, in the described above related with display measuring system 700, exemplified with blank level adjustment, but can also
The respective monochrome image of R, G, B is shown in display and carries out the adjustment of monochrome respectively.
In addition, in the case where colour analyzer 130 possesses flicker measurement function, this can also be used in scintiscan
The method of embodiment.In the case of scintiscan, for example, showing plover trellis successively in time in display 120
Multiple images, the lattice of each image are measured using optical sensor portion 130A, bright according to being obtained using measuring device main body 130B
The variation of the measured value of degree in time flickers to measure.Therefore, the notification signal generating unit of image signal generator 110
116 can by the display stored by video memory M1, M2 with same beyond comparative case part in picture signal g2
The mutual signal value of pixel of location, generation notification signal s1.
<With the difference of the prior art>
Illustrate the display measuring system 700 (display measuring device 500) of embodiment and the display of the prior art
The difference of measuring system 1700 (display measuring device 1500).
Fig. 7 is the block diagram of the structure for the display measuring system 1700 for showing the prior art.Fig. 8 is to show that display measures
The figure of the action sequence of system 1700.
As shown in Fig. 2, in display measuring system 700, image signal generator 110 possesses generation notification signal s1
Notification signal generating unit 116 and output notice signal s1 notification signal output interface 118.Thus, measured in display and be
System 700 in, image signal generator 110 using as make colour analyzer 130 start measurement trigger signal notification signal
S1 is supplied to colour analyzer 130 via notification signal input interface 136.
In contrast, as shown in fig. 7, in display measuring system 1700, image signal generator 1100 does not possess
The structure suitable with notification signal generating unit 116 and notification signal output interface 118.In display measuring system 1700,
The systems control division 1002 of computer 1000 inputs the measuring command s2 for making colour analyzer 1300 start measurement via order
Interface 1306 is supplied to colour analyzer 1300.
In this way, in the display measuring system 1700 of the prior art, computer 1000 carries out colour analyzer 1300
The control of measurement action (colour analyzer 1300 obtains brightness, the action of chromatic value of display 120) and original image signal g1
Generation and output (switching) this two side.Therefore, computer 1000 can not carry out the life of original image signal g1 in arbitrary timing
Into, output.Therefore, as shown in figure 8, the switching original image after the measurement using colour analyzer 1300 terminates of computer 1000
Signal g1.
However, in the display measuring system 700 of embodiment, computer 100 is obtained without colour analyzer 130
The brightness of display 120, the control of the action of chromatic value.Thus, in display measuring system 700, computer 100 can be
Arbitrary timing carries out the generation of the original image signal g1 of blank level adjustment, output.Therefore, display measuring system 700 exists
The timing more early than the display measuring system 1700 of the prior art carries out the generation of original image signal g1, output, so as to contract
The measurement interval (the display interval between each image) of the short each image shown to adjust in display 120.That is, display
Measuring system 700 can realize the shortening of the review time of display 120 compared with display measuring system 1700.
The image signal generator 110 of the present embodiment formed like that more than, believes in response to display image
The change timing of number g2, the generation of notification signal generating unit 116 of image signal generator 110 are used to notify the change timing
Notification signal s1.Therefore, for example possess image signal generator 110, colour analyzer 130 in display measuring system 700
And in the case of controlling their computer 100, in the artwork that image signal generator 110 is supplied according to computer 100
The display picture signal g2 shown in being suitable in display 120 is generated as signal g1 and is output to the feelings of display 120
Under condition, computer 100 by notification signal s1 without being output to colour analyzer 130.That is, colored point is controlled without computer 100
The measurement action of parser 130.Thereby, it is possible to concurrently carry out using computer 100 original image signal g1 generation processing and
Using the measurement of the display 120 of colour analyzer 130, therefore colour analyzer 130 can be shortened and start display 120 successively
The image of display is measured to the required time for the measurement for terminating all images.
In addition, the display measuring device 500 of present embodiment formed like that more than, control unit 138 in response to
Notification signal s1 and control photosignal acquisition unit 134 so that photosignal acquisition unit 134 obtain electric signal e1, so for example
In computer 100 image signal generator is supplied to using as display with the basic original image signal g1 of picture signal g2
In the case of 110, computer 100 need not supply notification signal s1.Therefore, it is possible to concurrently carry out utilizing photosignal acquisition unit
The acquisition of 134 electric signal e1 and the generation of the original image signal g1 of utilization computer 100.Therefore, it is possible to shorten color analysis
Device 130 starts the measurement for the image that display 120 is shown successively to the required time for the measurement for terminating all images.
In addition, the display measuring device 500 of the present embodiment formed like that more than, control unit 138 controls light
Electric signal acquisition unit 134, so that photosignal obtains when from being generated notification signal s1 by time t3 set in advance
Portion 134 obtains electric signal e1.Therefore, as long as time t3 to be set as to the time that the display characteristic of the liquid crystal of display 120 is stablized,
The measurement value stabilization of the characteristic of display 120 can then be made.
Although the present invention is described in detail, foregoing description in all schemes for illustrate and and it is non-limiting.Therefore,
The present invention can carry out embodiment in the range of the invention suitably deforming, omit.
Claims (4)
1. a kind of image signal generator, possesses：
Picture signal generating unit is used in display, will be with institute in a manner of the content of the image to make to be shown in display is time-varying
The corresponding display of image is stated to be changed with picture signal while generating repeatedly；
Output interface, it is described for the display to be output to the display that picture signal generating unit generates with picture signal
Display；And
Notification signal generating unit, the change of the display picture signal is changed in response to the display with picture signal generating unit
Periodically, generation is used for the notification signal for notifying the change timing.
2. a kind of display measuring device, possesses：
Image signal generator described in claim 1；
The components of photo-electric conversion, receive by being supplied to the display picture signal and show corresponding with the display picture signal
Image the light that is radiated of the display and be transformed to electric signal；
Photosignal acquisition unit, obtains the electric signal that the components of photo-electric conversion convert；And
Control unit, detects the notification signal, and the photosignal acquisition unit is controlled in response to the notification signal, so that
The photosignal acquisition unit obtains the electric signal.
3. display measuring device according to claim 2, wherein,
The control unit controls the photosignal acquisition unit so that from being generated the notification signal by presetting
Time when the photosignal acquisition unit obtain the electric signal.
4. according to the display measuring device described in claim 2 or 3, wherein,
The display measuring device possesses the colour analyzer with described image signal generation apparatus independence,
The colour analyzer possesses the photosignal acquisition unit and the control unit,
Described image signal generation apparatus is also equipped with the notification signal being output to the output interface of outside,
The colour analyzer is also equipped with the input interface of the notification signal of input described image signal generation apparatus output.
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| JP2015182495 | 2015-09-16 | ||
| JP2015-182495 | 2015-09-16 | ||
| PCT/JP2016/075881 WO2017047418A1 (en) | 2015-09-16 | 2016-09-02 | Image signal generating device and display measuring device |
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| CN108028918A true CN108028918A (en) | 2018-05-11 |
| CN108028918B CN108028918B (en) | 2020-05-22 |
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| CN201680052588.2A Active CN108028918B (en) | 2015-09-16 | 2016-09-02 | Image signal generating device and display measuring device |
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|---|---|
| JP (1) | JP6848870B2 (en) |
| CN (1) | CN108028918B (en) |
| TW (1) | TWI656798B (en) |
| WO (1) | WO2017047418A1 (en) |
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| RU2599342C2 (en) * | 2011-09-15 | 2016-10-10 | ЭЙДЗО Корпорейшн | Measurement method, computer program, and measurement system |
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- 2016-09-02 JP JP2017539835A patent/JP6848870B2/en active Active
- 2016-09-02 WO PCT/JP2016/075881 patent/WO2017047418A1/en active Application Filing
- 2016-09-02 CN CN201680052588.2A patent/CN108028918B/en active Active
- 2016-09-13 TW TW105129833A patent/TWI656798B/en active
Patent Citations (4)
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| JPH09182115A (en) * | 1995-12-27 | 1997-07-11 | Minolta Co Ltd | Crt inspection device |
| CN1258174A (en) * | 1998-12-22 | 2000-06-28 | 马来西亚明碁电脑有限公司 | Color test system for display device |
| CN101026777A (en) * | 2006-02-21 | 2007-08-29 | 台湾薄膜电晶体液晶显示器产业协会 | Display device dynamic image colour excursion detecting system and detecting method |
| EP2429201A2 (en) * | 2010-09-08 | 2012-03-14 | Samsung Electronics Co., Ltd. | Display apparatus and method of controlling the same, shutter glasses and method of controlling the same, and display system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017047418A1 (en) | 2017-03-23 |
| CN108028918B (en) | 2020-05-22 |
| TWI656798B (en) | 2019-04-11 |
| JPWO2017047418A1 (en) | 2018-07-05 |
| TW201724850A (en) | 2017-07-01 |
| JP6848870B2 (en) | 2021-03-24 |
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