CN101470276A - Method and device for correcting luminous parameters of LCD device - Google Patents
Method and device for correcting luminous parameters of LCD device Download PDFInfo
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- CN101470276A CN101470276A CNA2007101255370A CN200710125537A CN101470276A CN 101470276 A CN101470276 A CN 101470276A CN A2007101255370 A CNA2007101255370 A CN A2007101255370A CN 200710125537 A CN200710125537 A CN 200710125537A CN 101470276 A CN101470276 A CN 101470276A
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Abstract
The invention provides a correction method for luminescence parameters of liquid crystal display devices and a device thereof, which is adaptable to the liquid crystal display field. The correction device for luminescence parameters of liquid crystal display devices comprises an optical test device, a test device support, a test control unit and an image generator. During the process of producing the liquid crystal display devices, the correction device for luminescence parameters of liquid crystal display devices can be utilized to enable the optical parameters to meet standard values through correcting LED luminescence parameters in corresponding areas which do not meet the standard values , thereby resolving the problems that the existing liquid crystal display devices are low in effect and high in cost during the production process.
Description
Technical field
The invention belongs to field of liquid crystal display, relate in particular to a kind of bearing calibration and device of luminous parameters of LCD device.
Background technology
Adopt the liquid crystal indicator of LED-backlit module to occur now, but in the production run of this liquid crystal indicator, the optical parametric that may cause liquid crystal indicator owing to discreteness or other the reason of LED can not meet the demands, such as brightness irregularities even colour cast, in order to address this problem, before the LED installation, producer can carry out strict selecting to each LED, and then qualified LED is installed on the liquid crystal indicator, but can cause the low and cost height of production efficiency like this, also not have effective way to solve this problem at present.
Summary of the invention
The object of the present invention is to provide a kind of bearing calibration of luminous parameters of LCD device, be intended to solve existing liquid crystal indicator and in the process of producing, have inefficiency and the high problem of cost.
The present invention is achieved in that a kind of bearing calibration of luminous parameters of LCD device, and described method comprises the steps:
Optical parametric to liquid crystal indicator display screen zones of different is tested;
The described optical parametric and the standard value that record are compared, and the LED luminous parameters of the respective regions by optical parametric not being met standard value proofreaies and correct, make described optical parametric conformance with standard value.
Another object of the present invention is to provide a kind of means for correcting of luminous parameters of LCD device, described means for correcting comprises:
Optical test equipment is used for the optical parametric of liquid crystal indicator display screen zones of different is tested; And
Unit of testing and controlling, the locus that is used for the regulating and controlling optical test equipment, optical parametric to liquid crystal indicator display screen zones of different is tested, the optical parametric and the standard value that record are compared, and the LED luminous parameters of the respective regions by optical parametric not being met standard value proofreaies and correct, and makes described optical parametric conformance with standard value.
In the embodiment of the invention, in the process of producing liquid crystal indicator, adopt the means for correcting of luminous parameters of LCD device, the LED luminous parameters of respective regions that can be by optical parametric not being met standard value is proofreaied and correct, make optical parametric conformance with standard value, in the process of producing, have inefficiency and the high problem of cost thereby solved existing liquid crystal indicator.
Description of drawings
Fig. 1 is the bearing calibration process flow diagram of the luminous parameters of LCD device that provides of the embodiment of the invention;
Fig. 2 is the structural drawing of the means for correcting of the luminous parameters of LCD device that provides of the embodiment of the invention;
Fig. 3 is the structural drawing of the unit of testing and controlling that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, liquid crystal indicator adopts the LED-backlit module, and the luminous parameters of the regional optical parametric of liquid crystal indicator display screen and single LEDs in this zone or the luminous parameters of plurality of LEDs are relevant.
Fig. 1 shows the bearing calibration flow process of the luminous parameters of LCD device that the embodiment of the invention provides, and details are as follows:
In step S101, for liquid crystal indicator provides specific display image;
In step S102, the optical parametric of liquid crystal indicator display screen zones of different is tested;
In step S103, optical parametric and the standard value that records compared, if optical parametric does not meet standard value, then carry out S104, if optical parametric conformance with standard value then finishes;
In step S104, the LED luminous parameters of the respective regions by optical parametric not being met standard value is proofreaied and correct, and the described optical parametric after proofreading and correct tested again, to determine whether conformance with standard value of described optical parametric, if conformance with standard value then finish is not proofreaied and correct again if meet then need;
The process of proofreading and correct specifically comprises:
The described optical parametric and the standard value that record are compared, obtain making the penalty coefficient of described optical parametric value of being near the mark according to described optical parametric with respect to the percentage of amplitude that exceeds standard of standard value;
Generate the luminous coefficient signal of proofreading and correct described LED luminous parameters according to described penalty coefficient, and send the luminous coefficient signal,, make described optical parametric conformance with standard value by described LED luminous parameters is proofreaied and correct to liquid crystal indicator.
Fig. 2 shows the structure of the means for correcting of the luminous parameters of LCD device that the embodiment of the invention provides, and for convenience of explanation, only shows part related to the present invention.
The means for correcting of luminous parameters of LCD device comprises: optical test equipment 1, testing apparatus support 2, unit of testing and controlling 3 and pictcure generator 5, unit of testing and controlling 3 is connected with liquid crystal indicator 4 respectively with pictcure generator 5.
Unit of testing and controlling 3 is for running on the software systems of equipment such as computing machine, and Fig. 3 shows the structure of the unit of testing and controlling that the embodiment of the invention provides.
Before the test, testing apparatus support control module in unit of testing and controlling 3 is provided with a plurality of test position information for 301 li, when test is carried out, pictcure generator 5 provides specific display image for liquid crystal indicator 4, unit of testing and controlling 3 is at first controlled the duty that optical test equipment 1 is in test brightness, as an example of the present invention, unit of testing and controlling 3 also can be controlled the duty that optical test equipment 1 is in the test color coordinate, optical test equipment 1 can be tested the different types of optical parametric of liquid crystal indicator display screen like this, testing apparatus support control module 301 is regulated the locus of optical test equipment 1 according to this test position information Control testing apparatus support 2, make optical test equipment 1 on described a plurality of test positions to liquid crystal indicator 4 display screens on corresponding with it luminance parameter test, as an example of the present invention, the subregional luminance parameter in testing apparatus support control module 301 control optical test equipment 1 test fluid crystal device display screen tops, as another example of the present invention, the luminance parameter of All Ranges is tested on 1 pair of liquid crystal indicator display screen of testing apparatus support control module 301 control optical test equipments, then, optical test equipment 1 sends to unit of testing and controlling 3 with the luminance parameter of the liquid crystal indicator that test obtains, when testing certain regional luminance parameter, can be only to light this regional LED and close other regional LED, also can be no matter the luminance parameter in what zone of test is all lighted all LED.
Testing standard value configuration module 302 is used to dispose the standard value that optical parametric satisfies, this standard value is the mean value of all optical parametric sampled values normally, the comparative analysis module 303 of unit of testing and controlling 3 compares the luminance parameter of the liquid crystal indicator display screen zones of different that records with the luminance parameter standard value that obtains from testing standard value configuration module 302, do not meet the luminance parameter standard value if record certain regional luminance parameter, obtain impelling the penalty coefficient of the luminance parameter value of being near the mark with respect to the percentage of amplitude that exceeds standard of standard value according to this luminance parameter, then, luminous parameters correction module 304 generates the luminous coefficient signal of proofreading and correct this regional LED luminous parameters according to described penalty coefficient, and to liquid crystal indicator transmission luminous coefficient signal, by this regional LED luminous parameters is proofreaied and correct, make this regional luminance parameter conformance with standard value.
Then, the described luminance parameter that unit of testing and controlling 3 is controlled after 1 pair of correction of optical test equipment is again tested again, determining whether conformance with standard value of luminance parameter, if conformance with standard value then finish whole work is not proofreaied and correct again if meet then need.
In the embodiment of the invention, in the process of producing liquid crystal indicator, adopt the means for correcting of luminous parameters of LCD device, the LED luminous parameters of respective regions that can be by optical parametric not being met standard value is proofreaied and correct, make optical parametric conformance with standard value, in the process of producing, have inefficiency and the high problem of cost thereby solved existing liquid crystal indicator.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of bearing calibration of luminous parameters of LCD device is characterized in that, described method comprises the steps:
Optical parametric to liquid crystal indicator display screen zones of different is tested;
The described optical parametric and the standard value that record are compared, and the LED luminous parameters of the respective regions by optical parametric not being met standard value proofreaies and correct, make described optical parametric conformance with standard value.
2, bearing calibration as claimed in claim 1, it is characterized in that, the described described optical parametric and the standard value that will record compares, and the LED luminous parameters of the respective regions by optical parametric not being met standard value proofreaies and correct, and the step of described optical parametric conformance with standard value is specially:
The described optical parametric and the standard value that record are compared, obtain making the penalty coefficient of described optical parametric value of being near the mark according to described optical parametric with respect to the percentage of amplitude that exceeds standard of standard value;
Generate the luminous coefficient signal of proofreading and correct described LED luminous parameters according to described penalty coefficient, and send the luminous coefficient signal,, make described optical parametric conformance with standard value by described LED luminous parameters is proofreaied and correct to liquid crystal indicator.
3, bearing calibration as claimed in claim 1 is characterized in that, and is before the described step that the optical parametric of liquid crystal indicator display screen zones of different is tested, further comprising the steps of:
For liquid crystal indicator provides specific display image.
4, bearing calibration as claimed in claim 1 or 2, it is characterized in that, the described described optical parametric and the standard value that will record compares, and the LED luminous parameters of the respective regions by optical parametric not being met standard value is proofreaied and correct, make after the step of described optical parametric conformance with standard value, further comprising the steps of:
Described optical parametric after proofreading and correct is tested again, determining whether conformance with standard value of described optical parametric, if conformance with standard value then finish whole work is not proofreaied and correct again if meet then need.
5, bearing calibration as claimed in claim 4 is characterized in that, described optical parametric comprises brightness or chromaticity coordinates.
6, bearing calibration as claimed in claim 1 is characterized in that, the optical parametric of described liquid crystal indicator display screen zones of different is relevant with the luminous parameters of the luminous parameters of single LEDs in this zone or plurality of LEDs.
7, a kind of means for correcting of luminous parameters of LCD device is characterized in that, described means for correcting comprises:
Optical test equipment is used for the optical parametric of liquid crystal indicator display screen zones of different is tested; And
Unit of testing and controlling, the locus that is used for the regulating and controlling optical test equipment, optical parametric to liquid crystal indicator display screen zones of different is tested, the optical parametric and the standard value that record are compared, and the LED luminous parameters of the respective regions by optical parametric not being met standard value proofreaies and correct, and makes described optical parametric conformance with standard value.
8, means for correcting as claimed in claim 7 is characterized in that, described means for correcting also comprises:
The testing apparatus support is used for the support of optical testing apparatus, the control signal that the acceptance test control module sends, the locus of adjusting optical test equipment.
9, as claim 7 or 8 described means for correctings, it is characterized in that described means for correcting also comprises:
Pictcure generator is used to liquid crystal indicator that specific display image is provided.
10, means for correcting as claimed in claim 9 is characterized in that, described unit of testing and controlling comprises:
Testing apparatus support control module is used for the locus of controlling testing equipment bracket adjustment optical test equipment;
Testing standard value configuration module is used to dispose the standard value that optical parametric satisfies;
The comparative analysis module, the described optical parametric and the standard value that are used for recording compare, and obtain making the penalty coefficient of described optical parametric value of being near the mark with respect to the percentage of amplitude that exceeds standard of standard value according to described optical parametric; And
The luminous parameters correction module, be used for generating the luminous coefficient signal of proofreading and correct described LED luminous parameters according to described penalty coefficient, and,, make described optical parametric conformance with standard value by described LED luminous parameters is proofreaied and correct to liquid crystal indicator transmission luminous coefficient signal.
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| CNA2007101255370A CN101470276A (en) | 2007-12-27 | 2007-12-27 | Method and device for correcting luminous parameters of LCD device |
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| CNA2007101255370A CN101470276A (en) | 2007-12-27 | 2007-12-27 | Method and device for correcting luminous parameters of LCD device |
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Cited By (17)
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| CN101886973A (en) * | 2010-06-23 | 2010-11-17 | 海洋王照明科技股份有限公司 | Color coordinate testing device |
| WO2013000258A1 (en) * | 2011-06-28 | 2013-01-03 | 青岛海信信芯科技有限公司 | Brightness compensation method, device and system for liquid crystal modules |
| CN102998824A (en) * | 2012-12-10 | 2013-03-27 | 深圳市华星光电技术有限公司 | System and method for deviation correction during measurement of color filter penetrating frequency spectrum |
| CN103606353A (en) * | 2013-11-19 | 2014-02-26 | 四川长虹电器股份有限公司 | Method for enhancing liquid crystal display product brightness uniformity |
| CN102111930B (en) * | 2009-12-28 | 2014-06-25 | Tcl集团股份有限公司 | LED color drift adjusting method and device and LCD display panel |
| CN104205379A (en) * | 2012-03-05 | 2014-12-10 | 欧司朗光电半导体有限公司 | Optoelectronic module and method for producing an optoelectronic module |
| CN105049836A (en) * | 2015-07-08 | 2015-11-11 | 四川长虹电器股份有限公司 | LED TV backlight partitioning rapid inspection method |
| CN105070241A (en) * | 2015-09-22 | 2015-11-18 | 青岛海信电器股份有限公司 | Multi-partition dynamic backlight detection method, multi-partition dynamic backlight detection device and liquid crystal display television |
| CN105590605A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Mura phenomenon compensation method of curved-surface liquid crystal panel |
| CN105590606A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Mura phenomenon compensation method |
| CN105590604A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Mura phenomenon compensation method |
| CN105679221A (en) * | 2016-03-31 | 2016-06-15 | 广东欧珀移动通信有限公司 | Chromatic aberration detection method and device and terminal |
| TWI548864B (en) * | 2015-03-06 | 2016-09-11 | 佳世達科技股份有限公司 | Color calibrator module |
| CN107068114A (en) * | 2017-04-24 | 2017-08-18 | 北京小米移动软件有限公司 | Screen color method of adjustment, device, equipment and storage medium |
| CN112033646A (en) * | 2020-08-13 | 2020-12-04 | 歌尔光学科技有限公司 | Multi-lamp module testing method, device and equipment and computer readable storage medium |
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- 2007-12-27 CN CNA2007101255370A patent/CN101470276A/en active Pending
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| CN102111930B (en) * | 2009-12-28 | 2014-06-25 | Tcl集团股份有限公司 | LED color drift adjusting method and device and LCD display panel |
| CN101886973B (en) * | 2010-06-23 | 2013-10-23 | 海洋王照明科技股份有限公司 | Color coordinate testing device |
| CN101886973A (en) * | 2010-06-23 | 2010-11-17 | 海洋王照明科技股份有限公司 | Color coordinate testing device |
| US9224361B2 (en) | 2011-06-28 | 2015-12-29 | Hisense Hiview Tech Co., Ltd. | Method, device and system for compensating brightness of a liquid crystal module |
| WO2013000258A1 (en) * | 2011-06-28 | 2013-01-03 | 青岛海信信芯科技有限公司 | Brightness compensation method, device and system for liquid crystal modules |
| CN104205379A (en) * | 2012-03-05 | 2014-12-10 | 欧司朗光电半导体有限公司 | Optoelectronic module and method for producing an optoelectronic module |
| US9773951B2 (en) | 2012-03-05 | 2017-09-26 | Osram Opto Semiconductors Gmbh | Optoelectronic module and a process for the production of an optoelectronic module |
| CN102998824A (en) * | 2012-12-10 | 2013-03-27 | 深圳市华星光电技术有限公司 | System and method for deviation correction during measurement of color filter penetrating frequency spectrum |
| CN102998824B (en) * | 2012-12-10 | 2016-01-13 | 深圳市华星光电技术有限公司 | Colored filter penetrates frequency spectrum Measurement Biases correcting system and method |
| CN103606353A (en) * | 2013-11-19 | 2014-02-26 | 四川长虹电器股份有限公司 | Method for enhancing liquid crystal display product brightness uniformity |
| TWI548864B (en) * | 2015-03-06 | 2016-09-11 | 佳世達科技股份有限公司 | Color calibrator module |
| CN105049836A (en) * | 2015-07-08 | 2015-11-11 | 四川长虹电器股份有限公司 | LED TV backlight partitioning rapid inspection method |
| CN105049836B (en) * | 2015-07-08 | 2017-03-01 | 四川长虹电器股份有限公司 | The quick inspection method in LED television backlight subarea |
| CN105070241A (en) * | 2015-09-22 | 2015-11-18 | 青岛海信电器股份有限公司 | Multi-partition dynamic backlight detection method, multi-partition dynamic backlight detection device and liquid crystal display television |
| CN105070241B (en) * | 2015-09-22 | 2018-12-11 | 广东海信电子有限公司 | Detection method, device and the LCD TV of multi partition dynamic backlight |
| KR20190004699A (en) * | 2016-03-09 | 2019-01-14 | 센젠 차이나 스타 옵토일렉트로닉스 테크놀로지 컴퍼니 리미티드 | Mura phenomenon compensation method |
| KR102118613B1 (en) * | 2016-03-09 | 2020-06-03 | 센젠 차이나 스타 옵토일렉트로닉스 테크놀로지 컴퍼니 리미티드 | How to compensate for the Mura phenomenon |
| CN105590604A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Mura phenomenon compensation method |
| CN105590604B (en) * | 2016-03-09 | 2018-03-30 | 深圳市华星光电技术有限公司 | Mura phenomenon compensation methodes |
| CN105590606A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Mura phenomenon compensation method |
| CN105590605A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Mura phenomenon compensation method of curved-surface liquid crystal panel |
| CN105679221A (en) * | 2016-03-31 | 2016-06-15 | 广东欧珀移动通信有限公司 | Chromatic aberration detection method and device and terminal |
| CN107068114B (en) * | 2017-04-24 | 2019-04-30 | 北京小米移动软件有限公司 | Screen color method of adjustment, device, equipment and storage medium |
| CN107068114A (en) * | 2017-04-24 | 2017-08-18 | 北京小米移动软件有限公司 | Screen color method of adjustment, device, equipment and storage medium |
| CN112033646A (en) * | 2020-08-13 | 2020-12-04 | 歌尔光学科技有限公司 | Multi-lamp module testing method, device and equipment and computer readable storage medium |
| CN112033646B (en) * | 2020-08-13 | 2022-09-20 | 歌尔光学科技有限公司 | Multi-lamp module testing method, device and equipment and computer readable storage medium |
| CN112967644A (en) * | 2020-11-13 | 2021-06-15 | 重庆康佳光电技术研究院有限公司 | Correction method and device for tiled display device, storage medium and electronic device |
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Application publication date: 20090701 |