CN202024875U - Detection device use for planar light source performance detection - Google Patents

Detection device use for planar light source performance detection Download PDF

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Publication number
CN202024875U
CN202024875U CN2011200059083U CN201120005908U CN202024875U CN 202024875 U CN202024875 U CN 202024875U CN 2011200059083 U CN2011200059083 U CN 2011200059083U CN 201120005908 U CN201120005908 U CN 201120005908U CN 202024875 U CN202024875 U CN 202024875U
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CN
China
Prior art keywords
light source
planar light
pick
unit
performance detection
Prior art date
Application number
CN2011200059083U
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Chinese (zh)
Inventor
周明杰
王平
钟铁涛
冯小明
陈吉星
Original Assignee
海洋王照明科技股份有限公司
深圳市海洋王照明技术有限公司
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Priority to CN2011200059083U priority Critical patent/CN202024875U/en
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Publication of CN202024875U publication Critical patent/CN202024875U/en

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Abstract

The utility model relates to a detection device use for the planar light source performance detection, which comprises a drive power supply, an optical detecting instrument and a bracket, wherein, the drive power supply is used for driving a planar light source; the bracket is used for holding the optical detecting instrument; the optical detecting instrument comprises a light sensation transducer and a controller; the light sensation transducer is used for acquiring optical signals of the planar light source; the controller is used for reading sensing signals of the light sensation transducer; and the light sensation transducer is fixed on the bracket. The detection device use for the planar light source performance detection can perform the light source performance detection through the driving of the set power supply, the detecting photoelectric parameters are suitable for common planar light sources, the common planar light sources mainly refer to LED (Light Emitting Diode) backlights and newly-emerging OLED (Organic Light Emitting Diode) light sources used in LED, and the detection parameters comprise brightness, color coordinates, light spectrum, and the like. The detection device has simple structure and low price, and is convenient to operate.

Description

A kind of pick-up unit that is used for the planar light source Performance Detection
Technical field
The utility model relates to the light source device for detecting performance, more particularly, relates to a kind of pick-up unit that is used for the planar light source Performance Detection.
Background technology
Semiconductor lighting is efficient with it, environmental protection, the energy-conservation main flow that becomes illumination market gradually, domestic also clear and definite semiconductor lighting target and policy.Light emitting diode in the semiconductor lighting (Light Emitting Diode, LED) gradually ripe, its market is used just constantly and is enlarged; And not full-fledged as yet organic electroluminescence device (Organic Light Emitting Display, OLED) though illuminating product is still located development, but its advantage is still too numerous to enumerate, following OLED is with respect to traditional illuminating product, has very remarkable advantages: not only possess characteristics such as flexible, softness, and on thin OLED illuminating product, burrow arbitrarily as candy wrapper, also harmless its kept normally luminous, even can cut or the like arbitrarily, because of its these exclusive advantage, OLED also becomes the illumination new lover gradually.
General planar light source, for example OLED etc. needs to carry out performance detection such as brightness, chromaticity coordinates, spectrum or even colour temperature, to guarantee the luminescent quality of light source.The equipment of this respect in the market, mostly complex structure, cost an arm and a leg.
The utility model content
The technical problems to be solved in the utility model is, said structure complexity, expensive defective at the planar light source Performance Detection of prior art is provided with provide a kind of simple in structure, cheap pick-up unit that is used for the planar light source Performance Detection.
The technical scheme that its technical matters that solves the utility model adopts is: constructs a kind of pick-up unit that is used for the planar light source Performance Detection, comprises the driving power that is used to drive described planar light source, and optical detector and the support that is used to place optical detector; The controller that described optical detector comprises the light sensation sensor of the light signal that is used for the acquisition plane light source and is used to read the sensing signal of described light sensation sensor, described light sensation sensor is fixed on the described support.
At the pick-up unit that is used for the planar light source Performance Detection described in the utility model, described support comprises support body, and a platform is fixed on the top of described support body, and described platform is provided with vertical screw rod, and the vertical rotary handle that is used to drive described vertical screw rod; Described vertical screw rod is provided with contiguous block, and described contiguous block is provided with horizontal screw bolt, and an end of described horizontal screw bolt is provided with and horizontally rotates handle, and the other end is provided with the light sensation fixing rack for sensor.
At the pick-up unit that is used for the planar light source Performance Detection described in the utility model, described light sensation fixing rack for sensor comprises base portion and two clamping plate on the base portion is set that described clamping plate are provided with the adjusting bolt.
At the pick-up unit that is used for the planar light source Performance Detection described in the utility model, described platform is provided with vertical screw rod clamping screw, and described contiguous block is provided with the horizontal screw bolt clamping screw.
At the pick-up unit that is used for the planar light source Performance Detection described in the utility model, described driving power is the control power supply able to programme that has GPIB or RS232 interface.
At the pick-up unit that is used for the planar light source Performance Detection described in the utility model, described driving power is the dc constant voltage power supply, exchanges constant voltage source, dc constant flowing power or exchange constant-current supply.
At the pick-up unit that is used for the planar light source Performance Detection described in the utility model, described optical detector is chroma-luminance instrument, colour temperature instrument or spectrometer.
At the pick-up unit that is used for the planar light source Performance Detection described in the utility model, described pick-up unit also comprises computing machine, and described computing machine is electrically connected with described optical detector and driving power.
At the pick-up unit that is used for the planar light source Performance Detection described in the utility model, described pick-up unit comprises also and is used for ccd sensor that planar light source is taken pictures that described ccd sensor is electrically connected with described computing machine.
Implement the pick-up unit that is used for the planar light source Performance Detection of the present utility model, has following beneficial effect: the device of planar light source Performance Detection of the present utility model, carry out the light source Performance Detection by the power drives of setting, the photoelectric parameter that detects is suitable for general planar light source, described planar light source mainly refers to use among the LCD oled light source of LED-backlit source and emerging development, and detected parameters comprises brightness, chromaticity coordinates, spectrum etc.Pick-up unit of the present utility model is simple in structure, easy to operate, low price.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the frame diagram that is used for the pick-up unit of planar light source Performance Detection of the present utility model;
Fig. 2 is the synoptic diagram that is used for the pick-up unit medium-height trestle of planar light source Performance Detection of the present utility model.
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, frame diagram at an embodiment of the pick-up unit that is used for the planar light source Performance Detection of the present utility model, this pick-up unit comprises the driving power 200 that is used to drive planar light source 100, and optical detector 300 and the support 400 that is used to place optical detector 300.The controller 320 that optical detector 300 comprises the light sensation sensor 310 of the light signal that is used for acquisition plane light source 100 and is used to read the sensing signal of light sensation sensor 310, light sensation sensor 310 is fixed on the described support 400.
Referring to Fig. 2, support 400 comprises support body 410, and a platform 420 is fixed on the top of support body 410, and platform 420 is provided with vertical screw rod 430, and is used to drive the vertical rotary handle 431 that vertical screw rod 430 rotates; Vertically screw rod 430 is provided with contiguous block 440, and contiguous block 440 is provided with horizontal screw bolt 450, and an end of horizontal screw bolt 450 is provided with and horizontally rotates handle 451, and the other end is provided with light sensation fixing rack for sensor 452.Light sensation fixing rack for sensor 452 comprises base portion 453 and two clamping plate 454,455 on the base portion 453 is set that clamping plate 455 are provided with regulates bolt 456.In order to prevent that detecting time propagated sensation sensor fixed mount 452 is subjected to displacement, need the position of vertical screw rod 430 and horizontal screw bolt 450 be locked, on platform 420, be provided with vertical screw rod clamping screw 432, contiguous block 440 is provided with horizontal screw bolt clamping screw 457.
In the present embodiment, driving power 200 is for having the control power supply able to programme of GPIB or RS232 interface, and it can be dc constant voltage power supply, interchange constant voltage source, dc constant flowing power, interchange constant-current supply, drive circuit board or other control power supplys able to programme.Optical detector 300 is chroma-luminance instrument, colour temperature instrument or spectrometer.Pick-up unit also comprises computing machine 500, and computing machine 500 is electrically connected with described optical detector 300 and driving power 200.Pick-up unit also comprise the CCD that is used for planar light source 100 is taken pictures ( Electric chargeCoupling element) sensor 600, and ccd sensor 600 is electrically connected with computing machine 500.
The light sensation sensor 310 of detector 300 is installed on the support 400, support 400 global designs are simple, can move placement arbitrarily, the light sensation sensor 310 of detector 300 is fixed on the light sensation fixing rack for sensor 452, the stepping accuracy height is regulated in moving all on level and the vertical direction by the accurate thread bar; During detection, the planar light source 100 of some to be measured is installed on the test board, allows test board move on to the below of light sensation sensor 310, the 200 pairs of planar light sources that will survey 100 of driving power apply certain curtage drive signal; Computing machine 500 passes through control and reading of data such as USB or RS232, software processes and preservation data; The ccd sensor certain interval of time that is placed on planar light source 100 tops is simultaneously captured the light-emitting area of planar light source 100, observes its defective.
Light sensation sensor 310 is fixed on the light sensation fixing rack for sensor 452 of horizontal screw bolt 450 1 ends, and these horizontal screw bolt 450 in the vertical directions are not movable, can only move on the along continuous straight runs, the rotation that moves through of horizontal direction horizontally rotates handle 451 and regulates horizontal screw bolt 450 and move along horizontal direction, horizontal screw bolt 450 can adopt accurate screw rod, to reach higher stepping accuracy.
Light sensation sensor 310 is except driving it carries out moving on the horizontal direction by horizontal screw bolt 450, also can be by unclamping vertical screw rod clamping screw 432, by shaking the lifting of the vertical screw rod 430 of vertical rotary handle 431 drives, and then tape made a horizontal spiral bar 450 carries out lifting, vertically screw rod 430 can adopt accurate screw rod, to reach higher stepping accuracy.But horizontal screw bolt 450 stretches on along continuous straight runs, also can rotate around vertical screw rod 430 circumference on surface level.Vertical screw rod 430 here and horizontal screw bolt 450 are that this round bar can be materials such as iron and steel, copper or aluminium at the round bar accurate thread of having got on the bus; Screw thread can be common V-thread, also may be acme thread etc.
The driving power 200 of present embodiment and detector 300 can be divided into two kinds of control modes: synchro control and asynchronous control.Synchro control is that driving power 200 driving light sources and detector 300 carry out, and test is by same computing machine 500 control, by the sequential of computing machine 500 controlling and driving and test, and then handles by computing machine 500 at ready back every operation.Computing machine 500 control comprises the control of drive controlling and instrument, and drive controlling can adopt step rising type to drive (advance or retreat), the driving of User Defined parameter value, AC/DC driving etc.; Detector control comprises by the unlatching of computer drives software control instrument detecting time, reads and close.
The asynchronous light source that is controlled to be drives unlatching with detector and can separate and carry out, and can be controlled by computing machine 500 timesharing, also can be controlled separately by two computing machines 500, and time and sequential are the same.Steering order is sent by computing machine 500, and computing machine 500 sends instruction for driving power 200 or detector 300 by USB or RS232 etc., comprises opening time, shut-in time, the instruction of driving sequential etc.
Of the present utility model, but light sensation sensor 310 free liftings of detector 300 and rotate along planar circumferential and to test, the threaded rod stepping accuracy height of regulating, drive and detect controlled, can realize synchro control, also can asynchronously control, strong operability can be after fixedly the place locates, and the clamping screw of regulating on the support 400 makes detecting instrument be in suitable position alignment light source, begin test, by drive software operational computations and demonstration, simple to operate, testing tool is by accurate thread bar location, the precision height has improved precision of test result.
That the advantage that is used for the pick-up unit of planar light source Performance Detection of the present utility model comprises is simple in structure, easy to operate, low price etc., and the performance parameter of test comprises brightness, chromaticity coordinates, spectrum etc.
Above the formation that is used for the pick-up unit of planar light source Performance Detection of the present utility model is introduced, introduced the pick-up unit that is used for the planar light source Performance Detection of the present utility model below and how to detect.
During detection, loose earlier vertically screw rod clamping screw 432, shaking vertical rotary handle 431 makes vertical screw rod 430 risings or drops to certain altitude, then by vertical screw rod clamping screw 432 fixing vertical screw rods 430, horizontally rotating handle 451 by adjusting makes horizontal screw bolt 450 be moved horizontally to suitable position, light sensation sensor 310 is fixing by light sensation fixing rack for sensor 452, behind the fixed light propagated sensation sensor 310, whether the height of checking light source and light sensation sensor 310 is suitable, if it is improper, repeat said process and regulate, up to be adjusted to suitable till.
Planar light source 100 is loaded suitable driving power 200, the driving sequential is set, the voltage source opening time in starting potential, final voltage, interval steps, the step-length is set, carry out the measurement of brightness, chromaticity coordinates; Initial current is set, stops the current source opening time in electric current, interval steps, the step-length, carry out the measurement of brightness, chromaticity coordinates; After final voltage/testing current is finished, immediately with power-off.Drive by software setting, calculate energy efficiency and current efficiency by surveying data after driving is finished.
Planar light source 100 is loaded suitable combined-voltage/electric current, the driving sequential is set, DC voltage/current is set; Interchange forward voltage/electric current is set; Carry out life test respectively, adopt proper testing and accelerated test dual mode to carry out.
Planar light source 100 is loaded suitable DC voltage/current, the driving sequential is set, by controller 320 control light sensation sensors 310, the performance parameter that collects is carried out corresponding setting, then according to these parameters, the energy value that light sensation sensor 310 is collected reads, and so just obtains a string energy value.Carry out spectral analysis by software.
The device of planar light source Performance Detection of the present utility model, carry out the light source Performance Detection by the power drives of setting, the photoelectric parameter that detects is suitable for general planar light source, described planar light source mainly refers to use among the LCD oled light source of LED-backlit source and emerging development, and detected parameters comprises brightness, chromaticity coordinates, spectrum etc.Compare with existing technology, pick-up unit of the present utility model is simple in structure, easy to operate, low price.
In conjunction with the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.

Claims (9)

1. a pick-up unit that is used for the planar light source Performance Detection is characterized in that, comprises the driving power that is used to drive described planar light source, and optical detector and the support that is used to place optical detector; The controller that described optical detector comprises the light sensation sensor of the light signal that is used for the acquisition plane light source and is used to read the sensing signal of described light sensation sensor, described light sensation sensor is fixed on the described support.
2. the pick-up unit that is used for the planar light source Performance Detection according to claim 1, it is characterized in that described support comprises support body, a platform is fixed on the top of described support body, described platform is provided with vertical screw rod, and the vertical rotary handle that is used to drive described vertical screw rod; Described vertical screw rod is provided with contiguous block, and described contiguous block is provided with horizontal screw bolt, and an end of described horizontal screw bolt is provided with and horizontally rotates handle, and the other end is provided with the light sensation fixing rack for sensor.
3. the pick-up unit that is used for the planar light source Performance Detection according to claim 2 is characterized in that, described light sensation fixing rack for sensor comprises base portion and two clamping plate on the base portion are set that described clamping plate are provided with the adjusting bolt.
4. the pick-up unit that is used for the planar light source Performance Detection according to claim 2 is characterized in that, described platform is provided with vertical screw rod clamping screw, and described contiguous block is provided with the horizontal screw bolt clamping screw.
5. the pick-up unit that is used for the planar light source Performance Detection according to claim 1 is characterized in that, described driving power is the control power supply able to programme that has GPIB or RS232 interface.
6. the pick-up unit that is used for the planar light source Performance Detection according to claim 5 is characterized in that, described driving power is the dc constant voltage power supply, exchanges constant voltage source, dc constant flowing power or exchange constant-current supply.
7. the pick-up unit that is used for the planar light source Performance Detection according to claim 1 is characterized in that, described optical detector is chroma-luminance instrument, colour temperature instrument or spectrometer.
8. the pick-up unit that is used for the planar light source Performance Detection according to claim 1 is characterized in that described pick-up unit also comprises computing machine, and described computing machine is electrically connected with described optical detector and driving power.
9. the pick-up unit that is used for the planar light source Performance Detection according to claim 8 is characterized in that, described pick-up unit comprises also and be used for ccd sensor that planar light source is taken pictures that described ccd sensor is electrically connected with described computing machine.
CN2011200059083U 2011-01-06 2011-01-06 Detection device use for planar light source performance detection CN202024875U (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620918A (en) * 2012-04-16 2012-08-01 上海交通大学 Performance measuring device of surface light source lamp
CN102768315A (en) * 2012-07-24 2012-11-07 上海交通大学 System for testing brightness characteristic of organic electroluminescent device
CN103196653A (en) * 2013-03-08 2013-07-10 信利光电(汕尾)有限公司 Method and device of light source detection
CN103512729A (en) * 2013-09-30 2014-01-15 广州硅能照明有限公司 Light splitting detecting device and detecting method for light-emitting diode module
CN104752255A (en) * 2015-04-17 2015-07-01 深圳市炫硕光电科技有限公司 Chip-on-board LED amount automatic detection system
CN104880299A (en) * 2015-06-23 2015-09-02 深圳市时代华影科技股份有限公司 Brightness uniformity detection system of high-luminous-efficiency 3D projection system
CN104977152A (en) * 2014-04-11 2015-10-14 财团法人工业技术研究院 Detecting device
CN105588710A (en) * 2016-03-07 2016-05-18 京东方科技集团股份有限公司 Backlight source monitoring device and lamp lighting device
CN105810134A (en) * 2016-04-04 2016-07-27 合肥博雷电子信息技术有限公司 Field test device of LED display screen
CN106989905A (en) * 2017-05-05 2017-07-28 安徽谱泉光谱科技有限公司 A kind of multi-functional detection method and apparatus of luminescent panel
CN109000886A (en) * 2018-05-23 2018-12-14 Oppo广东移动通信有限公司 A kind of light source detection method and device thereof, equipment and storage medium

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620918A (en) * 2012-04-16 2012-08-01 上海交通大学 Performance measuring device of surface light source lamp
CN102768315A (en) * 2012-07-24 2012-11-07 上海交通大学 System for testing brightness characteristic of organic electroluminescent device
CN103196653A (en) * 2013-03-08 2013-07-10 信利光电(汕尾)有限公司 Method and device of light source detection
CN103196653B (en) * 2013-03-08 2015-04-08 信利光电股份有限公司 Method and device of light source detection
CN103512729A (en) * 2013-09-30 2014-01-15 广州硅能照明有限公司 Light splitting detecting device and detecting method for light-emitting diode module
CN103512729B (en) * 2013-09-30 2016-04-06 广州硅能照明有限公司 Point optical detection device and the detection method of light emitting diode module
CN104977152A (en) * 2014-04-11 2015-10-14 财团法人工业技术研究院 Detecting device
CN104977152B (en) * 2014-04-11 2017-06-30 财团法人工业技术研究院 Detection means
CN104752255A (en) * 2015-04-17 2015-07-01 深圳市炫硕光电科技有限公司 Chip-on-board LED amount automatic detection system
CN104880299A (en) * 2015-06-23 2015-09-02 深圳市时代华影科技股份有限公司 Brightness uniformity detection system of high-luminous-efficiency 3D projection system
CN105588710A (en) * 2016-03-07 2016-05-18 京东方科技集团股份有限公司 Backlight source monitoring device and lamp lighting device
CN105588710B (en) * 2016-03-07 2019-01-18 京东方科技集团股份有限公司 Backlight monitoring device and lighting machine
US10578484B2 (en) 2016-03-07 2020-03-03 Boe Technology Group Co., Ltd. Backlight source testing device and light-on testing apparatus
CN105810134A (en) * 2016-04-04 2016-07-27 合肥博雷电子信息技术有限公司 Field test device of LED display screen
CN106989905A (en) * 2017-05-05 2017-07-28 安徽谱泉光谱科技有限公司 A kind of multi-functional detection method and apparatus of luminescent panel
CN109000886A (en) * 2018-05-23 2018-12-14 Oppo广东移动通信有限公司 A kind of light source detection method and device thereof, equipment and storage medium

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Granted publication date: 20111102

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