CN107702793A - A kind of test system and method for testing of hot spot light distribution - Google Patents
A kind of test system and method for testing of hot spot light distribution Download PDFInfo
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- CN107702793A CN107702793A CN201711044985.8A CN201711044985A CN107702793A CN 107702793 A CN107702793 A CN 107702793A CN 201711044985 A CN201711044985 A CN 201711044985A CN 107702793 A CN107702793 A CN 107702793A
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003384 imaging method Methods 0.000 claims abstract description 51
- 238000005286 illumination Methods 0.000 claims abstract description 39
- 101100117236 Drosophila melanogaster speck gene Proteins 0.000 claims abstract description 9
- 238000010191 image analysis Methods 0.000 claims abstract description 6
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000010998 test method Methods 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
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Abstract
The invention provides a kind of test system and method for testing of hot spot light distribution, the method for testing comprises the following steps：The light that product is sent is mapped on imaging plate, there is the speck of product irradiation in the another side of the imaging plate, camera is placed relative to the opposite side of product, camera is taken pictures speck, by hot spot Luminance Distribution and dimension information of the computer generated image analysis product at distance L in imaging plate；Scale is placed in the one side of imaging plate towards camera, obtains the corresponding relation between the scale on the vertical plane at distance product L and the pixel of camera shooting；Adjustment illumination benchmark, obtain the functional relation of the gray scale away from the illumination on light source distance L and camera shooting；Obtain the size positions information of the illumination and each point on each pixel of imaging facula.Hardware and software required for technical scheme is less, and volume shared by test system and area are small, and test system can move, and need not be calibrated after moving, convenient and swift.
Description
Technical field
The invention belongs to special lighting technical field, more particularly to a kind of test system of hot spot light distribution and test side
Method.
Background technology
At present, the method and apparatus for being used for testing light distribution on the market are mainly distributed photometer, its principle tested
It is to place optical inductor in the luminous light path of light source or light fixture, luminous due to light source is scattered, so to fix sense
Answer device to rotate light source, or fixed light source rotation sensor, test out the light intensity of light source or light fixture in each solid angle, so
The curve of light distribution is depicted by software afterwards, what is drawn is light distribution, can not directly test out the brightness value in some region.
In addition, this method of testing needs to accurately control very much the control device of rotational angle, instrument floor space is big, for example tests road
For the distributed photometer device length of lamp up to 6 to 10m, the manufacturing cost of equipment is very high, in-convenience in use, maintenance cost
Also it is very high.This device can not be used for testing the circular light spot that hot spot only has 160mmx80mm or diameter only has 200mm simultaneously
On be accurate to the other Illumination Distribution of grade.Commonly the photoinduction head diameter of illumination photometer is from 10mm-20mm, its measurement
The average illumination being incident upon on whole optical inductor, the brightness value that can not be also accurate in the size of millimeter.Needed when test
Light optical inductor is moved manually, and control accuracy and accuracy of reading are affected by human factors very greatly, can only be used as very rough
Reference, can not accurately measure in advance.
The content of the invention
For above technical problem, the invention discloses a kind of test system and method for testing of hot spot light distribution.
On the other hand, the technical solution adopted by the present invention is：
A kind of method of testing of hot spot light distribution, it comprises the following steps：
Step S1, the light that product is sent are mapped on imaging plate, and the speck of product irradiation occurs in the another side of the imaging plate,
The opposite side relative to product of imaging plate places camera, and camera is taken pictures speck, by computer generated image analysis system, calculates production
Hot spot Luminance Distribution and dimension information of the product at distance L；Wherein, the product is light source product to be measured.Wherein, the L is
The distance of light source product and imaging plate to be measured.
Step S2, scale is placed in the one side of imaging plate towards camera, obtains the mark on the vertical plane at distance product L
Corresponding relation between chi and the pixel of camera shooting, so as to adjustment and obtains the relation between spot size and camera pixel；
Step S3, adjustment illumination benchmark, obtain the functional relation of the gray scale away from the illumination on light source distance L and camera shooting；
Step S4, by illumination derived above and gray scale and the respective function relation of size and pixel, obtain camera shooting
The size positions information of illumination and each point on each pixel of imaging facula on light source L face.
Using this technical scheme, using pixel value to measure spot size, and brightness value is measured using gray value, with reference to
Pixel value and gray value test the size of hot spot and light distribution, realize the accurate test to the Illumination Distribution of small-sized hot spot,
Test result is obtained automatically by computer, and test is simple and convenient, and cost is low.These data obtained by the above method, make
The data such as the uniformity of analysis hot spot can be calculated with existing software.
As a further improvement on the present invention, adjustment and obtain the relation of spot size and camera pixel in step S2 and include
Following sub-step：
Sub-step S201, scale, while the distance of the axis of the center of scale and camera are placed on distance product L vertical plane
<1 centimetre；
Sub-step S202, regulation camera aperture photographed clearly ruler scale；The picture of shooting level and vertical both direction；It is logical
Cross camera measurement software and calculate the pixel number contained in scale 5-40 cm ranges；Preferably, camera measurement software is passed through
Calculate the pixel number contained in the cm range of scale 10.Preferably, the pixel number can be made even by repeatedly measuring
Average is to reduce error；So, the respective function between the size at distance product L on face and the pixel of camera shooting is obtained
Relation.
As a further improvement on the present invention, adjustment illumination benchmark includes following sub-step in step S3：
The inductor of illumination photometer is placed in the axis vertical direction distance L of product outgoing plane, test product is in alignment surface
On maximal illumination；By setting integration of the gray scale of hot spot that computer software shoots camera on optical inductor area most
Maximal illumination of the big corresponding product above tested of value in alignment surface, obtains shooting away from the illumination on light source distance L and camera
Gray scale functional relation.
As a further improvement on the present invention, the scope of the L is 0.5-1m.
As a further improvement on the present invention, the imaging plate is translucent imaging plate.
As a further improvement on the present invention, the imaging plate is translucent acrylic board.
The invention also discloses a kind of test system of hot spot light distribution, and it uses the hot spot light described in as above any one
The method of testing of distribution is tested, and it includes testing jig and computer, and the both ends of the testing jig are respectively equipped with product placement
Frame and camera rack, the middle part of the testing jig are provided with imaging plate, and product is placed on product placement rack, and camera is placed on phase
On machine rack, the imaging plate is located on the vertical plane of product and camera line；The light transmitting of the product transmitting is being imaged
It is imaged on plate；The camera obtains the image on imaging plate, and is connected with computer, and the Image analysis system of computer obtains
The information of camera is taken to be analyzed.
As a further improvement on the present invention, the axis of the light for the product transmitting placed on the product placement rack and phase
The axis of machine rack overlaps.
As a further improvement on the present invention, the imaging plate is provided with scale towards the side of camera, in the scale
The distance of the axis of the heart and camera<1 centimetre.
As a further improvement on the present invention, it is provided with the axis vertical direction distance L of product outgoing perpendicular
Optical inductor, the optical inductor are connected with computer.Further, the optical inductor is located on imaging plate.The distance L
It is equal with the distance of light source product range Imaging plate to be measured on product placement rack.
As a further improvement on the present invention, the distance between the product placement rack and imaging plate are 0.5-1m.It is preferred that
, the distance between the product placement rack and imaging plate are 0.7mm.
Compared with prior art, beneficial effects of the present invention are：
First, using technical scheme, without rotating light source or light sensation probe, and to be accurate to grade other for measurement
Illumination on point, reading is automation in whole test process, is not influenceed by artificial manual factor, the reliability of test value is non-
Chang Gao.
Second, the hardware and software required for method of testing of the invention is less, and cost is more cheap；And test system
Shared volume and area are small, and a whole set of test system can move at any time, need not be calibrated after moving, convenient and swift.The survey of the invention
Test system and method for testing are not only used in medical illumination field, can also be used in other industrial lightings and need to test hot spot
The high testing field of small illumination.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the test system of hot spot light distribution of the present invention.
Fig. 2 is a kind of principle schematic of the test system of hot spot light distribution of the present invention.
Fig. 3 is that the another side that the product of the present invention is irradiated to imaging plate on imaging plate the speck figure of product irradiation occurs.
Fig. 4 is the adjustment spot size of the present invention and schematic diagram during camera pixel relation.
Fig. 5 is a kind of schematic diagram of modes of emplacement of scale of the present invention.
Fig. 6 is the schematic diagram of the scale another kind modes of emplacement of the present invention.
Schematic diagram when Fig. 7 is the adjustment illumination benchmark of the present invention.
Fig. 8 be the present invention camera shooting distance light source L face on imaging facula each pixel on illumination with
And the schematic diagram of the size positions information of each point.
Reference includes：1- testing jigs, 2- product placement racks, 3- camera racks, the translucent imaging plates of 4-, 5- are to be measured
Light source product, 6- cameras, 7- scales, 8- computers, 9- optical inductors.
Embodiment
The preferably embodiment of the present invention is described in further detail below.
Embodiment 1
As shown in Fig. 1 ~ Fig. 8, a kind of method of testing of hot spot light distribution, it comprises the following steps：
As depicted in figs. 1 and 2, step S1, the light that light source product 5 to be measured is sent is mapped on translucent imaging plate 4, it is described semi-transparent
There is the speck that light source product 5 to be measured irradiates in the another side of bright imaging plate 4, as shown in figure 3, in the relative of translucent imaging plate 4
Camera 6 is placed in the opposite side of light source product 5 to be measured, camera 6 is taken pictures speck, by the Image analysis system of computer 8, is calculated
Hot spot Luminance Distribution and dimension information of the light source product 5 to be measured at distance L；Wherein, it is preferred that the scope of the L is 0.5-
1m。
Step S2, scale 7 is placed in the one side of translucent imaging plate 4 towards camera 6, as shown in figure 4, obtaining treating in distance
Corresponding relation between the pixel that scale 7 on vertical plane and camera 6 at light-metering product-derived 5L are shot, so as to adjustment and is obtained
Relation between spot size and the pixel of camera 6；As shown in Figure 5 and Figure 6, scale 7 is placed with two ways, to be laterally and vertical
To；Adjustment and obtain the relation of spot size and the pixel of camera 6 in the step and include following sub-step：
Sub-step S201, scale 7, while the center of scale 7 and camera 6 are placed on the vertical plane apart from light source product 5L to be measured
Axis distance<1 centimetre；
Sub-step S202, the regulation aperture of camera 6 photographed clearly ruler scale；The picture of shooting level and vertical both direction；
The pixel number contained in the cm range of scale 710 is calculated by the Survey Software of camera 6；Obtain apart from light source product to be measured
Respective function relation between the pixel that size and camera 6 at 5L on face are shot.
Step S3, as shown in fig. 7, adjustment illumination benchmark, obtains the ash shot away from the illumination on light source distance L and camera 6
The functional relation of degree；Wherein, adjustment illumination benchmark includes following sub-step：
The optical inductor 9 of illumination photometer, test are placed in the axis vertical direction distance L of light source product 5 to be measured outgoing plane
Maximal illumination of the light source product 5 to be measured in alignment surface；By the gray scale for setting hot spot that the software of computer 8 shoots camera 6
Maximal illumination of the corresponding light source product to be measured 5 above tested of integration maximum in alignment surface on the area of optical inductor 9,
Obtain the functional relation of gray scale shot away from the illumination on light source distance L and camera 6.
Step S4, by illumination derived above and gray scale and the respective function relation of size and pixel, obtain camera 6
The size positions information of illumination and each point on each pixel of imaging facula on shooting distance light source L face, such as
Shown in Fig. 8.
Wherein, the translucent imaging plate 4 is translucent acrylic board.
Embodiment 2
As depicted in figs. 1 and 2, a kind of test system of hot spot light distribution, it uses the test of hot spot light distribution as described above
Method is tested, and it includes testing jig 1 and computer 8, and the both ends of the testing jig 1 are respectively equipped with product placement rack 2 and phase
Machine rack 3, the middle part of the testing jig 1 are provided with translucent imaging plate 4, and light source product 5 to be measured is placed on product placement rack 2
On, camera 6 is placed on camera rack 3, and the translucent imaging plate 4 is located at hanging down for light source product 5 to be measured and the line of camera 6
Face directly；The light transmitting that the light source product to be measured 5 is launched is imaged on translucent imaging plate 4；The camera 6 obtains half
Image on transparent image plate 4, and be connected with computer 8, the Image analysis system of computer 8 obtains the information progress of camera 6
Analysis.The axis of light and the axis of camera rack 3 that the light source product to be measured 5 placed on the product placement rack 2 is launched
Line overlaps.
As shown in Fig. 4 ~ Fig. 6, the translucent imaging plate 4 is provided with scale 7 towards the side of camera 6, in the scale 7
The distance of the heart and the axis of camera 6<1 centimetre.The distance between the product placement rack 2 and translucent imaging plate 4 are 0.5-1m,
It is further preferred that it is 0.7m that the distance between the product placement rack 2 and translucent imaging plate 4, which are L,.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (10)
- A kind of 1. method of testing of hot spot light distribution, it is characterised in that：It comprises the following steps：Step S1, the light that product is sent are mapped on imaging plate, and the speck of product irradiation occurs in the another side of the imaging plate, The opposite side relative to product of imaging plate places camera, and camera is taken pictures speck, by computer generated image analysis system, calculates production Hot spot Luminance Distribution and dimension information of the product at distance L；Step S2, scale is placed in the one side of imaging plate towards camera, obtain scale on the vertical plane distance product L at and Corresponding relation between the pixel of camera shooting, so as to adjustment and obtains the relation between spot size and camera pixel；Step S3, adjustment illumination benchmark, obtain the functional relation of the gray scale away from the illumination on light source distance L and camera shooting；Step S4, by illumination derived above and gray scale and the respective function relation of size and pixel, obtain camera shooting The size positions information of illumination and each point on each pixel of imaging facula on light source L face.
- 2. the method for testing of hot spot light distribution according to claim 1, it is characterised in that adjustment and obtain light in step S2 The relation of spot size and camera pixel includes following sub-step：Sub-step S201, scale, while the distance of the axis of the center of scale and camera are placed on distance product L vertical plane <1 centimetre；Sub-step S202, regulation camera aperture photographed clearly ruler scale；The picture of shooting level and vertical both direction；It is logical Cross camera measurement software and calculate the pixel number contained in scale 5-40 cm ranges；Obtain at distance product L on face Respective function relation between size and the pixel of camera shooting.
- 3. the method for testing of hot spot light distribution according to claim 1, it is characterised in that adjustment illumination benchmark in step S3 Including following sub-step：The inductor of illumination photometer is placed in the axis vertical direction distance L of product outgoing plane, test product is in alignment surface On maximal illumination；By setting integration of the gray scale of hot spot that computer software shoots camera on optical inductor area most Maximal illumination of the big corresponding product above tested of value in alignment surface, obtains shooting away from the illumination on light source distance L and camera Gray scale functional relation.
- 4. the method for testing of hot spot light distribution according to claim 1, it is characterised in that：The scope of the L is 0.5-1m.
- 5. the method for testing of hot spot light distribution according to claim 1, it is characterised in that：The imaging plate for it is translucent into As plate.
- 6. the method for testing of hot spot light distribution according to claim 5, it is characterised in that：The imaging plate is translucent Asia Gram force plate.
- A kind of 7. test system of hot spot light distribution, it is characterised in that：It uses the light as described in claim 1 ~ 6 any one The method of testing of spot light distribution is tested, and it includes testing jig and computer, and the both ends of the testing jig are respectively equipped with product Rack and camera rack, the middle part of the testing jig are provided with imaging plate, and product is placed on product placement rack, and camera is placed On camera rack, the imaging plate is located on the vertical plane of product and camera line；The light transmitting of the product transmitting exists It is imaged on imaging plate；The camera obtains the image on imaging plate, and is connected with computer, the imaging analysis system of computer The information that system obtains camera is analyzed.
- 8. the test system of hot spot light distribution according to claim 7, it is characterised in that：Placed on the product placement rack Product transmitting light axis and camera rack axis overlap.
- 9. the test system of hot spot light distribution according to claim 7, it is characterised in that：The imaging plate is towards camera Side is provided with the distance of scale, the center of the scale and the axis of camera<1 centimetre；In the axis vertical direction of product outgoing Distance L perpendicular is provided with optical inductor.
- 10. the test system of hot spot light distribution according to claim 7, it is characterised in that：The product placement rack with into As the distance between plate is 0.5-1m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711044985.8A CN107702793A (en) | 2017-10-31 | 2017-10-31 | A kind of test system and method for testing of hot spot light distribution |
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| CN201711044985.8A CN107702793A (en) | 2017-10-31 | 2017-10-31 | A kind of test system and method for testing of hot spot light distribution |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548481A (en) * | 2018-02-24 | 2018-09-18 | 厦门盈趣科技股份有限公司 | A kind of measuring system and method for laser spot size |
| CN109332216A (en) * | 2018-11-05 | 2019-02-15 | 珠海市华亚机械科技有限公司 | COB optical assembly automatic test machine |
| CN109348215A (en) * | 2018-11-05 | 2019-02-15 | 珠海市华亚机械科技有限公司 | Full-automatic vision detection machine |
| CN113390366A (en) * | 2021-06-25 | 2021-09-14 | 上海工程技术大学 | Method for judging whether optical axis of camera is perpendicular to cambered surface hole cutting plane and verification platform |
| CN114071126A (en) * | 2021-11-08 | 2022-02-18 | Oppo广东移动通信有限公司 | Testing equipment, testing method and testing device based on imaging system |
| CN114486183A (en) * | 2021-12-27 | 2022-05-13 | 杭州远方光电信息股份有限公司 | Lamp light distribution testing method and lamp light distribution measuring system |
| WO2024065898A1 (en) * | 2022-09-27 | 2024-04-04 | 江苏铌奥光电科技有限公司 | High-precision light spot test system and method based on space imaging system |
| CN109332216B (en) * | 2018-11-05 | 2024-06-25 | 珠海市华亚机械科技有限公司 | COB optical assembly automatic testing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004491A (en) * | 1999-06-25 | 2001-01-12 | Sankyo Seiki Mfg Co Ltd | Apparatus for inspecting light beam |
| CN101178304A (en) * | 2006-11-09 | 2008-05-14 | 中国科学院半导体研究所 | Method for measuring small luminous spot dimension |
| CN102213588A (en) * | 2010-04-07 | 2011-10-12 | 开斋集团有限公司 | Method and system for detecting light source |
| CN104581135A (en) * | 2013-10-28 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Light source brightness detection method and system |
| CN104977155A (en) * | 2015-06-30 | 2015-10-14 | 中山大学 | Rapid measurement method of LED light distribution curve |
| CN207540667U (en) * | 2017-10-31 | 2018-06-26 | 深圳前海百炼光特种照明有限公司 | A kind of test system of hot spot light distribution |
-
2017
- 2017-10-31 CN CN201711044985.8A patent/CN107702793A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004491A (en) * | 1999-06-25 | 2001-01-12 | Sankyo Seiki Mfg Co Ltd | Apparatus for inspecting light beam |
| CN101178304A (en) * | 2006-11-09 | 2008-05-14 | 中国科学院半导体研究所 | Method for measuring small luminous spot dimension |
| CN102213588A (en) * | 2010-04-07 | 2011-10-12 | 开斋集团有限公司 | Method and system for detecting light source |
| CN104581135A (en) * | 2013-10-28 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Light source brightness detection method and system |
| CN104977155A (en) * | 2015-06-30 | 2015-10-14 | 中山大学 | Rapid measurement method of LED light distribution curve |
| CN207540667U (en) * | 2017-10-31 | 2018-06-26 | 深圳前海百炼光特种照明有限公司 | A kind of test system of hot spot light distribution |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548481A (en) * | 2018-02-24 | 2018-09-18 | 厦门盈趣科技股份有限公司 | A kind of measuring system and method for laser spot size |
| CN109332216A (en) * | 2018-11-05 | 2019-02-15 | 珠海市华亚机械科技有限公司 | COB optical assembly automatic test machine |
| CN109348215A (en) * | 2018-11-05 | 2019-02-15 | 珠海市华亚机械科技有限公司 | Full-automatic vision detection machine |
| CN109348215B (en) * | 2018-11-05 | 2024-03-29 | 珠海市华亚机械科技有限公司 | Full-automatic vision inspection machine |
| CN109332216B (en) * | 2018-11-05 | 2024-06-25 | 珠海市华亚机械科技有限公司 | COB optical assembly automatic testing machine |
| CN113390366A (en) * | 2021-06-25 | 2021-09-14 | 上海工程技术大学 | Method for judging whether optical axis of camera is perpendicular to cambered surface hole cutting plane and verification platform |
| CN113390366B (en) * | 2021-06-25 | 2022-10-11 | 上海工程技术大学 | Method for judging perpendicularity of optical axis of camera and cambered surface hole cutting plane and verification platform |
| CN114071126A (en) * | 2021-11-08 | 2022-02-18 | Oppo广东移动通信有限公司 | Testing equipment, testing method and testing device based on imaging system |
| CN114486183A (en) * | 2021-12-27 | 2022-05-13 | 杭州远方光电信息股份有限公司 | Lamp light distribution testing method and lamp light distribution measuring system |
| CN114486183B (en) * | 2021-12-27 | 2024-02-23 | 杭州远方光电信息股份有限公司 | Lamp light distribution testing method and lamp light distribution measuring system |
| WO2024065898A1 (en) * | 2022-09-27 | 2024-04-04 | 江苏铌奥光电科技有限公司 | High-precision light spot test system and method based on space imaging system |
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Address after: 518000 Huasheng Hui complex, 15 Jinsha Road, Baoan District Xixiang street, Shenzhen, Guangdong, 911 Applicant after: Shenzhen Bailian Light Special Lighting Co., Ltd. Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Applicant before: Shenzhen Qianhai Bailian Light Special Lighting Co. Ltd. |