CN1769850A - Optical characteristics calibrating method for optical module and calibrating apparatus therefor - Google Patents

Optical characteristics calibrating method for optical module and calibrating apparatus therefor Download PDF

Info

Publication number
CN1769850A
CN1769850A CN 200410090095 CN200410090095A CN1769850A CN 1769850 A CN1769850 A CN 1769850A CN 200410090095 CN200410090095 CN 200410090095 CN 200410090095 A CN200410090095 A CN 200410090095A CN 1769850 A CN1769850 A CN 1769850A
Authority
CN
China
Prior art keywords
value
detecting
optical characteristics
determinand
standard value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 200410090095
Other languages
Chinese (zh)
Inventor
林志祐
张健隆
赖瑞明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wintek Corp
Original Assignee
Wintek Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wintek Corp filed Critical Wintek Corp
Priority to CN 200410090095 priority Critical patent/CN1769850A/en
Publication of CN1769850A publication Critical patent/CN1769850A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

Disclosed is an optical characteristic calibration method for optical module and apparatus. By employing optical sensor's characteristic of being able to detect three primary colors spectrum, the inventive method and apparatus can be employed to detect contrast and brightness and adjust the contrast of optical module automatically.

Description

The optical characteristics calibration steps and the device thereof of optical module
Technical field
The present invention is relevant with the quality keyholed back plate of optical module, is meant a kind of optical characteristics calibration steps and device thereof of optical module particularly.
Background technology
Press, optical module before dispatching from the factory for to prevent that bad semi-manufacture are sent to the modular engineering in another stage, and for asking thereafter product to have better quality and reaching the purpose of homogenization, the various functions that can possess with regard to display itself earlier in processing procedure impose suitable detection technique respectively, in the hope of finding different shape early and adjusting or get rid of.
In the middle of all test items, wherein one is to manifest the good corrupt optical characteristics of picture at the display that concerns to detect, aforementioned optical characteristics includes: briliancy, contrast, color saturation, colourity, brightness ... or the like, the good display of one matter must all have good expression effect aspect each optical characteristics, that is each, measured optical characteristics numerical value all must fall within the critical field of formulating standard;
Yet, at present the detection mode to respectively this optical characteristics of display is to adopt visual examination (VisualInspection), promptly, eyes by the tester are directly compared and the judgement quality one by one to every optical characteristics of a determinand and a reference material (GoldenSample), the aforesaid standards thing i.e. the good display of a matter, when the tester assert that a certain optical characteristics performance of determinand is not so good as reference material (defective), the tester will be directly for to adjust or to revise this determinand, till the tester identifies oneself adjusted optical characteristics and the corresponding optical characteristics expression effect of reference material is approximate, only, the detection mode with visual examination has following disappearance:
1, different tester often causes display quality keyholed back plate to be difficult for for the expression effect of optical characteristics because of subjective mind is inconsistent, promptly can't reach the purpose of quality homogenization.
2, occur wrongly judging because of visual fatigue causes identification easily with visual examination, so cause thereafter the correction adjustment also with make a mistake.
3, with visual examination and the artificial mode of adjusting as the detection of display when revising, not only increase personnel costs on foot, and it is consuming time to detect operation, can't enhance productivity.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of optical characteristics calibration steps and device thereof of optical module, can make all optical module qualities of dispatching from the factory reach the requirement of homogenization, has the better quality management function.
Secondary objective of the present invention is to provide a kind of optical characteristics calibration steps and device thereof of optical module, and the optical characteristics that can finish reference material and determinand fast compares, and can save time, and increases production efficiency.
Another object of the present invention is to provide a kind of optical characteristics calibration steps and device thereof of optical module, proofread and correct, can save personnel costs with the robotization adjustment, and the identification erroneous judgement situation of avoiding visual examination to derive.
For achieving the above object, the optical characteristics calibration steps of a kind of optical module provided by the invention comprises the following step:
Detect plural number first optical characteristics of a reference material with an optical sensor;
Handle by a digital display circuit, be converted to corresponding plurality of standard value S after those first optical characteristics that read are handled detecting 1, S 2, S 3... S n, and those standard values are stored in the internal memory;
Detect plural number second optical characteristics of a determinand with this optical sensor;
By the processing of this digital display circuit, after handling, those second optical characteristics that read are converted to corresponding a plurality of detecting value D with detecting 1, D 2, D 3... D n
Those detecting values and those standard values are compared in regular turn;
If detecting value D 1Fall within corresponding standard value S 1A range of allowable error in the time, the direct value of detecting D 2With standard value S 2Comparison, mode is compared up to detecting value D according to this nWith standard value S nComparison is finished;
If detecting value D 1Exceed corresponding standard value S 1Range of allowable error the time, this digital display circuit will produce one and adjust signal so that this determinand is adjusted correction;
Then this optical sensor is detected new second optical characteristics of this determinand of adjusting after proofreading and correct again, and this second new optical characteristics is converted into a new detecting value D in this digital display circuit 11
The detecting value D that this is new 11With corresponding this standard value S 1Compare;
As this new detecting value D 11Fall within corresponding this standard value S 1This range of allowable error in the time, the beginning is continued the next item down time detecting value D 2With standard value S 2Comparison, mode is compared up to detecting value D according to this nWith standard value S nComparison is finished; And
When finishing all comparisons, utilize a RW system that every optical characteristics numerical value of adjusted this determinand is stored in this determinand.
Wherein this determinand number of times of being adjusted correction is for less than a specific adjustment number of times.
Wherein this range of allowable error refers to that each those standard value and corresponding respectively those detecting values and corresponding respectively those new detectings are worth the error amount of one of them.
Wherein those measured standard values of this optical sensor are converted into a plurality of electric energy signals earlier, again after being converted to those corresponding standard values and be stored in this internal memory.
The optical characteristics calibration steps of a kind of optical module that provides again according to the present invention comprises the following step:
Detect one first optical characteristics of a reference material with an optical sensor;
Handle by a digital display circuit, be converted to a standard value after this first optical characteristics that detecting is read is handled and be stored in the internal memory;
Detect one second optical characteristics of a determinand with this optical sensor;
By the processing of this digital display circuit, the detecting value that is converted to a correspondence after this second optical characteristics that is read is handled will be detected;
This detecting value and this standard value are compared;
If when this detecting value falls within the range of allowable error of this standard value, utilize a RW system detecting value to be stored in this determinand;
When if this detecting value exceeds this range of allowable error of this standard value, this digital display circuit will produce one and adjust signal so that this determinand is adjusted correction;
Then this optical sensor is detected new second optical characteristics of this determinand of adjusting after proofreading and correct again, and this second new optical characteristics is converted into a new detecting value in this digital display circuit;
Detecting value and this standard value that this is new are compared, and when this new detecting value falls within this range of allowable error of this standard value, utilize a RW system that this new detecting value is stored in this determinand.
The optical characteristics calibrating installation of a kind of optical module provided by the invention is adjusted to consistently with the corresponding optical characteristics standard value of a reference material in order to the optical characteristics detecting value to a determinand, wherein the standard value of this reference material is stored in the internal memory in advance; This calibrating installation includes:
One tool is for placing this determinand;
One optical sensor is in order to detect the optical characteristics of this determinand; .
One digital display circuit that is electrically connected with this optical sensor, in order to the optical characteristics treatment conversion that this optical sensor is measured is corresponding detecting value, this detecting value is also compared with the corresponding standard value of reference material in being stored in this internal memory, when this detecting value exceeds the range of allowable error of corresponding standard value of this reference material, this digital display circuit will produce one and adjust signal and proofread and correct with the adjustment of this determinand being carried out optical characteristics, so that the measured new detecting value of this optical sensor is consistent with the corresponding standard value of this reference material.
Also include a RW system, in order to should the detecting value or this new detecting value imprinting be stored in this RW system.
The detection system of a kind of optical module provided by the invention, utilize an optical sensor to detect an optical characteristics of a reference material and give and be converted to a corresponding electric energy signal, this electric energy signal is a standard value by the treatment conversion of a digital display circuit again, one determinand is through the detecting of this optical sensor, a detecting value is handled and be converted to another electric energy signal of gained through this digital display circuit, this standard value and this detecting are worth in this digital display circuit compares, when this detecting value exceeds a range of allowable error of this standard value, this digital display circuit produces one and adjusts signal so that this determinand is adjusted correction, makes that according to this new detecting value of this determinand is consistent with the corresponding standard value of this reference material.
Wherein this range of allowable error refers to the error amount of standard value and corresponding detecting value.
Description of drawings
Below, enumerate preferred embodiment of the present invention, and after cooperating following accompanying drawing to be described in more detail in, wherein:
Fig. 1 is the simple and easy diagrammatic sketch of calibrating installation of the present invention.
Fig. 2 is the leading portion flow chart of steps of calibration steps of the present invention.
Fig. 3 is the back segment flow chart of steps of calibration steps of the present invention.
Embodiment
The present invention system provides a kind of and can compare and Calibration Method and device to the optical characteristics of the determinand B of the reference material A of an optical module and an optical module, in the hope of reaching the purpose of all optical module product quality homogenizations; In present embodiment, aforesaid standards thing A be with every optical characteristics numerical value all the LCD MODULE of conformance with standard standard be example, aforementioned determinand B is to be example with one without the new LCD MODULE of cross to adjust proofreading and correct.
See also calibrating installation of the present invention shown in Figure 11 simple and easy diagrammatic sketch, its composition comprises a tool 10, an optical sensor 14, a digital display circuit 16, an internal memory 18 and a RW system 20; Wherein:
But tool 10 is the box body of an opening/closing, and its outside is provided with most gauge tap and pilot lamp (figure does not show), and inside has one for reference material A or the stable platform of placing 12 of determinand B.
Optical sensor 14 is installed in tool 10 inside, it has can tested object (as reference material A or determinand B) on the platform 12 be detected and the function of identification three primary colors (red/green/indigo plant) and color mixture wavelength to being positioned over, and produces the clock pulse (Clock) of correspondence after detecting according to this.
Digital display circuit 16 is electrically connected with optical sensor 14, in order to the above-mentioned time pulse signal treatment conversion that reads is corresponding numerical data, it constitutes summarizes signal conversion processor, arithmetic processor and controller etc., when tested object is reference material A, the optical characteristics that optical sensor 14 is detected is corresponding standard value through digital display circuit 16 treatment conversion, when tested object was determinand B, the optical characteristics that optical sensor 14 is detected was corresponding detecting value through digital display circuit 16 treatment conversion;
Digital display circuit 16 also can be compared with the corresponding detecting value of determinand B to the standard value of reference material A, when the detecting value falls within the range of allowable error (seeing aftermentioned) of standard value, directly continue the comparison of the next item down time optical characteristics, when the detecting value exceeds the range of allowable error of standard value, digital display circuit 16 will produce an adjustment signal that raises or repair down and give determinand B to adjust correction, determinand B after adjust proofreading and correct is multiple to detect and reads a new detecting value again through optical sensor 14, new detecting value is compared again with standard value again, till new detecting value falls within the range of allowable error of standard value.
RW system 20 is subjected to digital display circuit 16 controls, finish the standard value comparison of the detecting value of every optical characteristics and reference material A at determinand B after, RW system 20 receives the imprinting signal of being sent from digital display circuit 16 and according to this determinand B is carried out the imprinting action, to impel adjusted detecting value to be stored among the determinand B, so far, can obtain the purpose of quality homogenization.
More than be the narration of calibrating installation 1 of the present invention, then, that will install manipulates again, i.e. calibration steps narration as after, below be that the optical characteristics of desire detection is done explanation with the briliancy of detecting optical module picture.
Calibration steps of the present invention can be divided into the two-stage, and leading portion is that the optical characteristics of reference material A is detected (as the flow process of Fig. 2), and back segment is that the optical characteristics of determinand B is detected and compared and suitable adjustment (as the flow process of Fig. 3) with reference material A:
At first, utilize optical sensor 14 briliancy of detecting reference material A picture when lighting entirely earlier, and by the processing of digital display circuit 16 with standard value S 1Be stored in the internal memory 18;
Then, multiple grey menu when continuing that with optical sensor 14 reference material A is set in different power consumptions streams and different backlight illumination is distinctly carried out different briliancy detectings, and equally by the processing of digital display circuit 16 with different standard value S 11, S 12... S xBe stored in the internal memory 18.
After the detecting of finishing reference material A, utilize the briliancy of optical sensor 14 detecting determinand B picture when lighting entirely again, the processing by digital display circuit 16 obtains a detecting value D equally 1, detecting value D 1And by digital display circuit 16 and with standard value S 1Compare:
When comparative result is detecting value D 1Fall within standard value S 1Range of allowable error in the time, representing the glass colourity difference of reference material A and determinand B little, aforementioned range of allowable error is meant standard value S 1With detecting value D 1Error amount, in present embodiment, with detecting value D 1Drop on standard value S 10.5% with interior be good, but be not limited thereto in the particular percentile scope; Finish detecting value D 1With standard value S 1Comparison after, directly continue the next item down time detecting value D 2With standard value S 2Comparison, in this definition detecting value D 2Be the contrast numerical value of the whole grey menu of determinand B, standard value S 2Be the contrast numerical value of the whole grey menu of reference material A, detecting value D 2With standard value S 2The comparison mode ditto described, mode is compared up to detecting value D according to this nWith standard value S nComparison is finished, and treats after the comparison of finishing all optical characteristics, and digital display circuit 16 will be sent a signal and give RW system 20 to start the imprinting program and adjusted new detecting value imprinting is stored among the determinand B.
When comparative result is detecting value D 1Exceed standard value S 1Range of allowable error the time, representing the glass colourity difference of reference material A and determinand B big, at this moment, digital display circuit 16 will be according to detecting value D 1Actual numerical value and be determined and fall within standard value S 11, standard value S 12... or standard value S xThe interval in, digital display circuit 16 also will be according to detecting value D 1Produce an adjustment signal that raises or repair down in view of the above with the difference of corresponding standard value in interval, and according to this determinand B is adjusted correction, afterwards, optical sensor 14 is detected determinand B again, and reads a new detecting value D 11, new detecting value D 11Once more with standard value S 1Compare, until new detecting value D 11Fall within standard value S 1Range of allowable error in, in addition explanation is for avoiding producing unconfined adjustment and comparison, to be provided with specific adjustment number of times then and to think supression; Thereafter, proceed the next item down time detecting value D 2With the comparison of standard value S2, and mode is compared up to detecting value D according to this nWith standard value S nComparison is finished, and treats after the comparison of finishing all optical characteristics, and digital display circuit 16 will be sent and start the imprinting signal and give RW system 20 and adjusted new detecting value imprinting is stored among the determinand B, so, and with the purpose of acquisition quality homogenization.
The above only is a preferable possible embodiments of the present invention, uses do other optical characteristics detecting calibration steps of instructions of the present invention and claim such as, ought to be included in the claim of the present invention.

Claims (9)

1. the optical characteristics calibration steps of an optical module comprises the following step:
Detect plural number first optical characteristics of a reference material with an optical sensor;
Handle by a digital display circuit, be converted to corresponding plurality of standard value S after those first optical characteristics that read are handled detecting 1, S 2, S 3... S n, and those standard values are stored in the internal memory;
Detect plural number second optical characteristics of a determinand with this optical sensor;
By the processing of this digital display circuit, after handling, those second optical characteristics that read are converted to corresponding a plurality of detecting value D with detecting 1, D 2, D 3... D n
Those detecting values and those standard values are compared in regular turn;
If detecting value D 1Fall within corresponding standard value S 1A range of allowable error in the time, the direct value of detecting D 2With standard value S 2Comparison, mode is compared up to detecting value D according to this nWith standard value S nComparison is finished;
If detecting value D 1Exceed corresponding standard value S 1Range of allowable error the time, this digital display circuit will produce one and adjust signal so that this determinand is adjusted correction;
Then this optical sensor is detected new second optical characteristics of this determinand of adjusting after proofreading and correct again, and this second new optical characteristics is converted into a new detecting value D in this digital display circuit 11
The detecting value D that this is new 11With corresponding this standard value S 1Compare;
As this new detecting value D 11Fall within corresponding this standard value S 1This range of allowable error in the time, the beginning is continued the next item down time detecting value D 2With standard value S 2Comparison, mode is compared up to detecting value D according to this nWith standard value S nComparison is finished; And
When finishing all comparisons, utilize a RW system that every optical characteristics numerical value of adjusted this determinand is stored in this determinand.
2. according to the optical characteristics calibration steps of the described optical module of claim 1, it is characterized in that wherein this determinand number of times of being adjusted correction is for less than a specific adjustment number of times.
3. according to the optical characteristics calibration steps of the described optical module of claim 1, it is characterized in that wherein this range of allowable error refers to that each those standard value and corresponding respectively those detecting values and corresponding respectively those new detectings are worth the error amount of one of them.
4. according to the optical characteristics calibration steps of the described optical module of claim 1, it is characterized in that, wherein those measured standard values of this optical sensor are converted into a plurality of electric energy signals earlier, again after being converted to those corresponding standard values and be stored in this internal memory.
5. the optical characteristics calibration steps of an optical module comprises the following step:
Detect one first optical characteristics of a reference material with an optical sensor;
Handle by a digital display circuit, be converted to a standard value after this first optical characteristics that detecting is read is handled and be stored in the internal memory;
Detect one second optical characteristics of a determinand with this optical sensor;
By the processing of this digital display circuit, the detecting value that is converted to a correspondence after this second optical characteristics that is read is handled will be detected;
This detecting value and this standard value are compared;
If when this detecting value falls within the range of allowable error of this standard value, utilize a RW system detecting value to be stored in this determinand;
When if this detecting value exceeds this range of allowable error of this standard value, this digital display circuit will produce one and adjust signal so that this determinand is adjusted correction;
Then this optical sensor is detected new second optical characteristics of this determinand of adjusting after proofreading and correct again, and this second new optical characteristics is converted into a new detecting value in this digital display circuit;
Detecting value and this standard value that this is new are compared, and when this new detecting value falls within this range of allowable error of this standard value, utilize a RW system that this new detecting value is stored in this determinand.
6. the optical characteristics calibrating installation of an optical module is adjusted to consistently with the corresponding optical characteristics standard value of a reference material in order to the optical characteristics detecting value to a determinand, wherein the standard value of this reference material is stored in the internal memory in advance; This calibrating installation includes:
One tool is for placing this determinand;
One optical sensor is in order to detect the optical characteristics of this determinand;
One digital display circuit that is electrically connected with this optical sensor, in order to the optical characteristics treatment conversion that this optical sensor is measured is corresponding detecting value, this detecting value is also compared with the corresponding standard value of reference material in being stored in this internal memory, when this detecting value exceeds the range of allowable error of corresponding standard value of this reference material, this digital display circuit will produce one and adjust signal and proofread and correct with the adjustment of this determinand being carried out optical characteristics, so that the measured new detecting value of this optical sensor is consistent with the corresponding standard value of this reference material.
7. according to the optical characteristics calibrating installation of the described optical module of claim 6, it is characterized in that, also include a RW system, in order to should the detecting value or this new detecting value imprinting be stored in this RW system.
8. the detection system of an optical module, utilize an optical sensor to detect an optical characteristics of a reference material and give and be converted to a corresponding electric energy signal, this electric energy signal is a standard value by the treatment conversion of a digital display circuit again, one determinand is through the detecting of this optical sensor, a detecting value is handled and be converted to another electric energy signal of gained through this digital display circuit, this standard value and this detecting are worth in this digital display circuit compares, when this detecting value exceeds a range of allowable error of this standard value, this digital display circuit produces one and adjusts signal so that this determinand is adjusted correction, makes that according to this new detecting value of this determinand is consistent with the corresponding standard value of this reference material.
9. according to the detection system of the described optical module of claim 8, it is characterized in that wherein this range of allowable error refers to the error amount of standard value and corresponding detecting value.
CN 200410090095 2004-11-03 2004-11-03 Optical characteristics calibrating method for optical module and calibrating apparatus therefor Pending CN1769850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410090095 CN1769850A (en) 2004-11-03 2004-11-03 Optical characteristics calibrating method for optical module and calibrating apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410090095 CN1769850A (en) 2004-11-03 2004-11-03 Optical characteristics calibrating method for optical module and calibrating apparatus therefor

Publications (1)

Publication Number Publication Date
CN1769850A true CN1769850A (en) 2006-05-10

Family

ID=36751280

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200410090095 Pending CN1769850A (en) 2004-11-03 2004-11-03 Optical characteristics calibrating method for optical module and calibrating apparatus therefor

Country Status (1)

Country Link
CN (1) CN1769850A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865828A (en) * 2010-05-31 2010-10-20 湖南大学 Method for maintaining predication capability of spectrum correction model of complex system
CN101435719B (en) * 2007-11-14 2012-09-26 三丰株式会社 Dynamic compensation of profile data selection for a chromatic point sensor
CN104807489A (en) * 2015-01-27 2015-07-29 深圳怡化电脑股份有限公司 Method and system for correcting prism jig

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435719B (en) * 2007-11-14 2012-09-26 三丰株式会社 Dynamic compensation of profile data selection for a chromatic point sensor
CN101865828A (en) * 2010-05-31 2010-10-20 湖南大学 Method for maintaining predication capability of spectrum correction model of complex system
CN101865828B (en) * 2010-05-31 2012-05-23 湖南大学 Method for maintaining predication capability of spectrum correction model of complex system
CN104807489A (en) * 2015-01-27 2015-07-29 深圳怡化电脑股份有限公司 Method and system for correcting prism jig
CN104807489B (en) * 2015-01-27 2017-06-06 深圳怡化电脑股份有限公司 A kind of bearing calibration of prism tool and system

Similar Documents

Publication Publication Date Title
CN1262115C (en) Image display method, image display device and contrast control circuit
CN1476546A (en) Method and apparatus for testing color sequential, near-to-eye, and similar display devices
EP2090923B1 (en) Liquid crystal display device and liquid crystal display device control method
CN1862259A (en) Inspection standard setting device, inspection standard setting method and process inspection device
CN101308324A (en) Camera module group image test system and method
JP2000136984A5 (en)
CN116087208B (en) Plastic product detecting system based on image recognition
US8326017B2 (en) Rapid color verification system using digital imaging and curve comparison algorithm
CN1769850A (en) Optical characteristics calibrating method for optical module and calibrating apparatus therefor
CN112215816B (en) Real-time detection method, storage medium and device for display faults in production line
CN105628195A (en) Light source brightness detecting system and method
CN1991945A (en) Uneven area compensating device and method for planar display
CN1057252C (en) Method and apparatus for detecting stencil surface covering degree
CN103033343A (en) Method and device of detecting sub-pixel deviation in color filter
CN113588222B (en) Ink color consistency detection device and method
JP2009264876A (en) Inspection system of product quality, and its method
CN117437170A (en) LED light source defect detection method and system
CN1779473A (en) Method and apparatus for inspecting planar display device by visula model
CN109900720B (en) Automatic adjustment method and system for optical detection light source brightness of different screens
CN1452413A (en) Measurement of all-color video signal peak signal-to-noise ratio
CN109975299B (en) Light source detection system and method
TWI337296B (en) System and method for testing a camera module by testing its image
CN111721505A (en) Automatic calibration detection method and device for keyboard backlight module based on polar coordinates
CN1294479C (en) Auto recognition method of simulating video signal mode
CN115201188A (en) System and method for testing mechanism sand methylene blue value based on computer vision

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication