CN101377451B - System and method for measuring and adjusting plane luminous equipment - Google Patents
System and method for measuring and adjusting plane luminous equipment Download PDFInfo
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- CN101377451B CN101377451B CN2008102235148A CN200810223514A CN101377451B CN 101377451 B CN101377451 B CN 101377451B CN 2008102235148 A CN2008102235148 A CN 2008102235148A CN 200810223514 A CN200810223514 A CN 200810223514A CN 101377451 B CN101377451 B CN 101377451B
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Abstract
The invention relates to a measuring and adjusting system and a method of a plane luminous device. The system comprises a measuring device and an inclined angle adjusting device. The inclined angle adjusting device is used to aslant arrange a plane luminous module to get the brightness characteristic value of the plane luminous module, and then to generate adjusting data. The method is as follows: the brightness of the plane luminous module is adjusted through obtaining the observation visual angle a of each plane luminous module. The system can save a great deal of labor and time, and is not limited by the factors of space and so on.
Description
Technical field
The invention belongs to the planar lighting device technical field of image processing, particularly a kind of planar lighting device is measured the system and method for adjustment.
Background technology
Present stage, large-scale planar lighting device has begun widespread use in our life, no matter on the square, and the railway station, the megastore, road traffic direction board or the like place, we can see the trace of large-scale planar lighting device.As everyone knows, large-scale planar lighting device all is to have several plane luminous module to be spliced, and large-scale planar lighting device all is mounted in higher position usually, so that people just can see various information from place far away.But because in the planar lighting device; The problem of the optical parametric of each plane luminous module own; We see the plane luminaire in different angles, find that sometimes the performance of planar lighting device screen overall brightness has very big-difference, and the effect of general image is not very good.
At present, in order to reach the homogeneity of planar lighting device overall brightness, need adjust accordingly the optical parametric of its illuminating module usually.And when the light source to its illuminating module carries out independent optics actual analysis, often to reduce wholely on-the-spot, it is luminous that this part light source is carried out in the position of reality, just can accurately analyze real data.Well imagine; If large-scale planar lighting device is at tens meters; Even tens meters height is aerial, and we will carry out the adjustment of overall color to it, will spend great amount of manpower and material resources, time and space; Remove to build an identical environment, just can carry out correct independent analysis the light source of each illuminating module.
Summary of the invention
The present invention has proposed the system and method that a kind of planar lighting device is measured adjustment especially in order to solve the problems of the prior art.
The invention provides a kind of planar lighting device and measure the system of adjustment, wherein, planar lighting device is made up of some plane luminous module; Said system comprises measuring equipment, and in addition, said system also comprises inclination-angle regulating device; It is connected with the plane luminous module that needs to measure; Be used to regulate the angle of said plane luminous module, obtain the brightness value of this plane luminous module under the observation visual angle a, thereby generate the corresponding adjustment data of this plane luminous module by said measuring equipment;
Wherein, the central point of said plane luminous module and the line of said measuring equipment, with the normal of said plane luminous module central point, both angles are said observation visual angle a.
In the embodiment of the invention, said inclination-angle regulating device comprises:
Communication module is used to import said observation visual angle a, and is sent to memory module;
Memory module is preserved said observation visual angle a;
Adjustment module is used for reading the said observation visual angle a of said memory module, and regulates the angle of said plane luminous module.
In another embodiment of the present invention, said inclination-angle regulating device comprises:
Communication module is used to import said observation visual angle a and measurement data, and is sent to memory module;
Memory module is used to preserve said observation visual angle a and said measurement data;
Analysis module is used for through measurement data, analyzes computing and obtains the difference in height of the central point and the said measuring equipment of said plane luminous module, and be sent to jacking gear;
Jacking gear is used for according to said difference in height, and to the adjusting of going up and down of said plane luminous module, the central point level that makes said plane luminous module is over against said measuring equipment;
Adjustment module is used for reading the said observation visual angle a of said memory module, and regulates the angle of said plane luminous module.Wherein, said adjustment module also is provided with a judging unit, be used to judge said difference in height be on the occasion of or negative value; Said difference in height be on the occasion of the time, said adjustment module is regulated the angle of said plane luminous module, makes its said observation visual angle a that recedes; When said difference in height was negative value, said adjustment module was regulated the angle of said plane luminous module, made the absolute value of its said observation visual angle a that turns forward.
A kind of planar lighting device is measured the method for adjustment, and said planar lighting device is made up of some plane luminous module, and said method comprises following steps:
A. obtain the observation visual angle a of arbitrary plane luminous module of said planar lighting device; Wherein, the central point of current plane luminous module and the line of said measuring equipment, with the normal of current plane luminous module central point, both angles are said observation visual angle a;
B, inclination-angle regulating device are obliquely installed said plane luminous module according to said observation visual angle a, make said measuring equipment obtain the brightness value of said plane luminous module, are used to generate the corresponding adjustment data of plane luminous module;
C, judge whether to generate the adjustment data of whole plane luminous module of said planar lighting device, otherwise continue execution in step A;
D, each adjustment data is sent to corresponding plane luminous module respectively.
During the present invention implemented, said steps A comprised following steps:
Measure and write down the data of each plane luminous module in the planar lighting device erecting stage, said data comprise: ground to vertical range H, the vertical range h of ground distance observation station, the said plane luminous module horizontal range L of said observation station extremely of the plane luminous module central point that will analyze;
With the absolute value of the difference of said vertical range H and said vertical range h is that first limit, said horizontal range L are that the line of second limit, said observation station and said plane luminous module central point is the 3rd limit, and the angle on said second limit and said the 3rd limit equals said observation angle a.
The present invention implements among the said step B, judges that said vertical range H is higher than said vertical range h, then with said plane luminous module corresponding to said observation station, the said observation visual angle a that recedes, the scope of said observation visual angle a is 0 ° to 90 °.
Among the said step B of another embodiment of the present invention; Judge that said vertical range H is lower than said vertical range h; Then with said plane luminous module corresponding to said observation station, the absolute value of the said observation visual angle a that turns forward, the scope of said observation visual angle a is-90 ° to 0 °.
Among the embodiment of the invention step D, specifically carry out following steps:
D1, each adjustment data is sent to corresponding plane luminous module respectively,, forms said planar lighting device each plane luminous module splicing; Perhaps,
D2, with the splicing of each plane luminous module, form said planar lighting device, each adjustment data is sent to corresponding plane luminous module respectively.
During the present invention implemented, said planar lighting device was LCDs, LED display or plasma panel.
The analysis of existing single illuminating source is based upon on the independent part, does not consider like this because the different incident angle different problems that caused in planar lighting device position.The present invention can come the different angle problems that caused of simulated field physical location through the angle of each plane luminous module light source in the adjustment planar lighting device in any level ground, saved a large amount of manpowers and time, does not also receive the restriction of factors such as space.
Description of drawings
Fig. 1 is the synoptic diagram of the embodiment of the invention;
Fig. 2 is the on-the-spot light source synoptic diagram of the high-order plane luminous module of the embodiment of the invention;
Fig. 3 is the high-order plane luminous module adjustment of an embodiment of the invention back synoptic diagram;
Fig. 4 is an embodiment of the invention low level plane luminous module adjustment back synoptic diagram;
Fig. 5 is the system architecture synoptic diagram of the embodiment of the invention;
Fig. 6 is the system architecture synoptic diagram of another embodiment of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is explained further details.
Embodiment 1
With reference to Fig. 1, a kind of planar lighting device is measured the method for adjustment, and wherein, large-scale planar lighting device 101 is spliced by 9 plane luminous module, and is divided into the module A district, module B district, module C district.Illustrate with the plane luminous module 107 of measuring module A district in the adjustment planar lighting device 101 below, the measurement adjustment principle of other plane luminous module is similar basically with plane luminous module 107.
At first, in planar lighting device 101 erecting stagies, the data of actual measurement plane luminous module 107, and record measurement data.Said data are: the height of observation station 102 is h, and the central point of module A district plane luminous module 107 is H apart from the height on ground, and the observer is L apart from the horizontal range of planar lighting device 101.And with the absolute value of the difference of said vertical range H and said vertical range h is that first limit, said horizontal range L are that the line of second limit and said observation station and said plane luminous module 107 central points is the 3rd limit, constitutes a right-angle triangle.
By Fig. 2, can calculate observation visual angle a, i.e. the line 104 of the central point of plane luminous module 107 and measuring equipment 102, with the normal 103 of plane luminous module 107 central points, both angles are said observation visual angle a.Because the tangent value of a1 is (H-h)/L among the figure, therefore, a1=arctg [(H-h)/and L], can know among the figure that said observation angle a equals a1.Here, it is pointed out that calculating observation visual angle a has more than and be limited to this kind method, adopt various known mathematical methods, can calculate observation visual angle a easily.
Reasoning process is following in detail: the angle between the line 104 of the normal 103 of plane luminous module 107 central spot and said plane luminous module 107 central points and said observation station 102 is observation visual angle a; Doing one at normal 103 opposite sides is the summit with said plane luminous module 107 central points; And with the line of symmetry 105 of line 104 symmetries, then the angle a2 between line of symmetry 105 and the normal equals to observe visual angle a.With said plane luminous module 107 central points is the summit, does a straight line 106 vertical with line of symmetry 105.Visible from Fig. 2; Because it is line of symmetry 105 is vertical with straight line 106, then angle a2+a+b=90 °, vertical because of normal 103 again with said plane luminous module 107; Then a+b+c=90 °, then straight line 106 is observed visual angle a with the angle c=of said plane luminous module 107.The angle a of this moment is between 0 ° to 90 °.This shows; As long as make observation station 102 be positioned at the position of normal 103; Be the central points of observation station 102 levels, and make plane luminous module be positioned at the position of straight line 106, get final product the actual light angle of emergence of simulated field degree over against plane luminous module 107; Thereby can obtain the brightness value of plane luminous module 107, be used to generate the adjustment data of plane luminous module 107 correspondences.
Referring to Fig. 3; Be plane luminous module 107 adjusted synoptic diagram, wherein observation station 102 levels are schemed the position of cathetus 106 over against the central point of plane luminous module 107; Be the position of adjusted plane luminous module, its normal 203 is the line of symmetry 105 among Fig. 2.
This shows; Can be again through building the parameter of site environment ability measurement plane luminaire 101; Come simulated field to make up the angular deviation that the back is caused through the angle of adjusting each piece plane luminous module; Save a large amount of manpowers and time like this, and do not received the restriction of factors such as space.
Provide a kind of account form for asking for observation visual angle a in the present embodiment, and should not be construed as limitation of the present invention.
Referring to Fig. 4, plane luminous module 309 is a plane luminous module in module C district among Fig. 1, and the vertical range H of these plane luminous module 309 central points is less than the vertical range h of observation station 102.When ground to the height H of the plane luminous module central point that will analyze when being lower than the height h of ground distance observation station, reasoning process is similar basically with the reasoning process of above-mentioned plane luminous module 107, repeats no more at this.
At this moment; Obtain the observation visual angle a of plane luminous module 309; Turn forward corresponding to said observation station 302 perpendicular to the plane luminous module of placing on the level ground 309 said, the plane luminous module 310 after the inclination is an absolute value of observing visual angle a with said angle perpendicular to the plane luminous module of placing on the level ground 309.Can find out that perpendicular to the normal 303 of the plane luminous module after the said inclination 310, with said plane luminous module 310 central points and said observation station 302 lines, both angles also equal to observe the absolute value of visual angle a this moment.The scope of observing visual angle a this moment is between-90 ° to 0 °.
In Fig. 4, the central point of the plane luminous module 310 after this normal 303 has passed through to tilt.At this moment, get final product the actual light angle of emergence of simulated field degree, thereby obtain the brightness value of plane luminous module 309, be used to generate the adjustment data of plane luminous module 309 correspondences.
In like manner,, can obtain plane luminous module that is higher than observation station 102 and the brightness value that is lower than the plane luminous module of observation station 102 respectively, be used to generate the corresponding adjustment data of plane luminous module according to above metering system.
The adjustment data that each plane luminous module is generated are downloaded to respectively in pairing 9 plane luminous module, said illuminating module is carried out the brightness adjustment after, with each plane luminous module splicing, form planar lighting device again.Can reach the whole homogeneity that shows of planar lighting device like this.
Certainly, also can behind the composition planar lighting device, more said adjustment data be downloaded to said planar lighting device here earlier with said plane luminous module splicing.
This programme is through the light source of simulated field planar lighting device; Respectively each plane luminous module is carried out the method that data are obtained and handled; Though can guarantee the diverse location of each plane luminous module, also can under the normal observation angle, make whole planar lighting device show whole homogeneity at screen.
Embodiment 2
A kind of planar lighting device is measured the system of adjustment, and wherein, planar lighting device is made up of some plane luminous module; Said system comprises measuring equipment; Said system also comprises inclination-angle regulating device, and it is connected with the plane luminous module that needs to measure, and is used to be obliquely installed said plane luminous module; Obtain observing the brightness value of this plane luminous module under a of visual angle by said measuring equipment, thereby generate the corresponding adjustment data of this plane luminous module;
Wherein, the central point of said plane luminous module and the line of said measuring equipment, with the normal of said plane luminous module central point, both angles are said observation visual angle a.
With the above, through in the erecting stage, the data of each piece plane luminous module of actual measurement, and the data of number measured in record.The height of observation station 102 is h, and the central point of module A district plane luminous module 107 is H apart from the height on ground, and the observer is L apart from the horizontal range of large display screen 101.And with the absolute value of the difference of said vertical range H and said vertical range h is that first limit, said horizontal range L are that the line of second limit and said observation station and said plane luminous module central point is the 3rd limit, constitutes a triangle.
By Fig. 2, can calculate observation visual angle a, the tangent value of a is (H-h)/L, therefore, observation visual angle a=arctg [(H-h)/and L], like this, just can pre-set said observation visual angle a.Here, it is pointed out that calculating observation visual angle a has more than and be limited to this kind method, adopt various known mathematical methods, can calculate observation visual angle a easily.
Can simulate the light situation of plane luminous module 107 erecting stagies like this, thereby can obtain the brightness value of plane luminous module 107, be used to generate the adjustment data of plane luminous module 107 correspondences.In like manner, according to above method, can obtain the adjustment data of all the other plane luminous module respectively; Said adjustment data are downloaded to respectively in pairing 9 plane luminous module; After said illuminating module carried out brightness adjustment, with each plane luminous module splicing, form planar lighting device again.So just can consider to build again site environment again; Only need place in level; Can measure the various parameters of plane luminous module easily; And then the adjustment planar lighting device, though guarantee the diverse location of each plane luminous module, also can under the normal observation angle, make whole planar lighting device show whole homogeneity at screen.
Embodiment 3
Referring to Fig. 5, present embodiment is on the basis of embodiment 2, and said inclination-angle regulating device also comprises communication module, memory module and adjustment module.Wherein communication module is used to import said observation visual angle a, and is sent to memory module; Memory module is preserved said observation visual angle a; Adjustment module is used for reading the said observation visual angle a of said memory module, and is obliquely installed said plane luminous module.All the other principles are identical with the 2nd embodiment, repeat no more at this.
In the present embodiment, said inclination-angle regulating device can directly be adjusted plane luminous module through directly importing observation visual angle a easily, has accelerated the speed of handling.
Embodiment 4
Referring to Fig. 6, present embodiment is on the basis of embodiment 2, and said inclination-angle regulating device comprises communication module, memory module, adjustment module, analysis module and jacking gear.Wherein, communication module is used to import said observation visual angle a and measurement data, and is sent to memory module; Memory module is used to preserve said observation visual angle a and said measurement data; Analysis module is used for through measurement data, analyzes computing and obtains the difference in height of the central point and the measuring equipment of plane luminous module, and be sent to jacking gear; Jacking gear is used for according to said difference in height said plane luminous module being gone up and down, with the central point level of adjusting said plane luminous module over against said measuring equipment; Adjustment module is used for reading the said observation visual angle a of said memory module, and is obliquely installed said plane luminous module.All the other principles are identical with the 2nd embodiment, repeat no more at this.
In the present embodiment, can regulate the height of plane luminous module automatically, avoid assurance plane luminous module central point level difficulty on the measuring equipment through jacking gear.
Having used specific embodiment among this paper sets forth principle of the present invention and embodiment; The explanation of above preferred embodiment just is used for helping to understand core concept of the present invention; For those skilled in the art; According to thought of the present invention, part all can change on embodiment and range of application.In sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a planar lighting device is measured the system of adjustment, and wherein, said planar lighting device is made up of some plane luminous module, and said system comprises measuring equipment, it is characterized in that,
Said system also comprises inclination-angle regulating device; It is connected with the plane luminous module that needs to measure; Be used to regulate the angle of said plane luminous module; Obtain the brightness value of this plane luminous module under the observation visual angle a by said measuring equipment, thereby generate the corresponding adjustment data of this plane luminous module;
Wherein, the central point of said plane luminous module and the line of said measuring equipment, with the normal of said plane luminous module central point, both angles are said observation visual angle a.
2. system according to claim 1 is characterized in that, said inclination-angle regulating device comprises:
Communication module is used to import said observation visual angle a, and is sent to memory module;
Memory module is preserved said observation visual angle a;
Adjustment module is used for reading the said observation visual angle a of said memory module, and regulates the angle of said plane luminous module.
3. system according to claim 1 is characterized in that, said inclination-angle regulating device comprises:
Communication module is used to import said observation visual angle a and measurement data, and is sent to memory module;
Memory module is used to preserve said observation visual angle a and said measurement data;
Analysis module is used for through measurement data, analyzes computing and obtains the difference in height of the central point and the said measuring equipment of said plane luminous module, and be sent to jacking gear;
Jacking gear is used for according to said difference in height, and to the adjusting of going up and down of said plane luminous module, the central point level that makes said plane luminous module is over against said measuring equipment;
Adjustment module is used for reading the said observation visual angle a of said memory module, and regulates the angle of said plane luminous module.
4. system according to claim 3 is characterized in that said adjustment module also is provided with a judging unit, be used to judge said difference in height be on the occasion of or negative value;
Said difference in height be on the occasion of the time, said adjustment module is regulated the angle of said plane luminous module, makes its said observation visual angle a that recedes;
When said difference in height was negative value, said adjustment module was regulated the angle of said plane luminous module, made the absolute value of its said observation visual angle a that turns forward.
5. a planar lighting device is measured the method for adjustment, and wherein, said planar lighting device is made up of some plane luminous module, it is characterized in that, said method comprises following steps:
A. obtain the observation visual angle a of arbitrary plane luminous module of said planar lighting device; Wherein, the central point of current plane luminous module and the line of said measuring equipment, with the normal of current plane luminous module central point, both angles are said observation visual angle a;
B, according to said observation visual angle a, regulate the angle of current plane luminous module, under said observation visual angle a, obtain the brightness value of said plane luminous module, generate the corresponding adjustment data of current plane luminous module;
C, judge whether to generate the adjustment data of whole plane luminous module of said planar lighting device, otherwise continue execution in step A;
D, each adjustment data is sent to corresponding plane luminous module respectively.
6. method according to claim 5 is characterized in that, said step D specifically carries out following steps:
D1, each adjustment data is sent to corresponding plane luminous module respectively,, forms said planar lighting device each plane luminous module splicing; Perhaps,
D2, with the splicing of each plane luminous module, form said planar lighting device, each adjustment data is sent to corresponding plane luminous module respectively.
7. according to claim 5 or 6 described methods, it is characterized in that said steps A comprises following steps:
Measure and write down the data of arbitrary plane luminous module in said planar lighting device erecting stage, said data comprise: ground is to the horizontal range L of the vertical range H of this plane luminous module central point, the vertical range h of ground distance observation station, said plane luminous module to said observation station;
With the absolute value of the difference of said vertical range H and said vertical range h is that first limit, said horizontal range L are that the line of second limit, said observation station and said plane luminous module central point is the 3rd limit, with the angle on said second limit and said the 3rd limit said observation angle a as current plane luminous module.
8. method according to claim 7 is characterized in that, among the said step B, judges that said vertical range H is higher than said vertical range h, then with said plane luminous module corresponding to said observation station, said observation visual angle a recedes; Wherein, the scope of said observation visual angle a is 0 ° to 90 °.
9. method according to claim 7 is characterized in that, among the said step B, judges that said vertical range H is lower than said vertical range h, then with said plane luminous module corresponding to said observation station, the absolute value of the said observation visual angle a that turns forward; Wherein, the scope of said observation visual angle a is-90 ° to 0 °.
10. according to claim 5 or 6 described methods, it is characterized in that said planar lighting device is LCDs, LED display or plasma panel.
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| CN2008102235148A CN101377451B (en) | 2008-09-28 | 2008-09-28 | System and method for measuring and adjusting plane luminous equipment |
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| CN102346096B (en) * | 2010-07-30 | 2013-08-07 | 北京众智同辉科技有限公司 | Method for testing visual angle range of electrogenic liquid crystal frosted glass |
| CN105157957B (en) * | 2015-10-20 | 2017-11-17 | 广州市光机电技术研究院 | A kind of LED display on-site testing device and method of testing |
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| CN1877281A (en) * | 2005-06-10 | 2006-12-13 | 精工爱普生株式会社 | Display panel module, display unit, inspection device for display panel |
| CN101038233A (en) * | 2007-04-24 | 2007-09-19 | 友达光电股份有限公司 | Method for detecting display panel |
| CN200972758Y (en) * | 2006-09-29 | 2007-11-07 | 天津光电新亚电子通信技术有限公司 | Testing device for LCD screen |
| CN101101237A (en) * | 2007-08-21 | 2008-01-09 | 友达光电（苏州）有限公司 | Method for measuring luminescent picture brightness uniformity |
| CN101118713A (en) * | 2006-08-02 | 2008-02-06 | 富士通株式会社 | Display panel inspection apparatus and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877281A (en) * | 2005-06-10 | 2006-12-13 | 精工爱普生株式会社 | Display panel module, display unit, inspection device for display panel |
| CN101118713A (en) * | 2006-08-02 | 2008-02-06 | 富士通株式会社 | Display panel inspection apparatus and method |
| CN200972758Y (en) * | 2006-09-29 | 2007-11-07 | 天津光电新亚电子通信技术有限公司 | Testing device for LCD screen |
| CN101038233A (en) * | 2007-04-24 | 2007-09-19 | 友达光电股份有限公司 | Method for detecting display panel |
| CN101101237A (en) * | 2007-08-21 | 2008-01-09 | 友达光电（苏州）有限公司 | Method for measuring luminescent picture brightness uniformity |
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