WO2010123189A1 - 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치 및 검사 방법 - Google Patents
영상소자를 이용한 태양전지 양자효율 균질도 검사 장치 및 검사 방법 Download PDFInfo
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- WO2010123189A1 WO2010123189A1 PCT/KR2009/007977 KR2009007977W WO2010123189A1 WO 2010123189 A1 WO2010123189 A1 WO 2010123189A1 KR 2009007977 W KR2009007977 W KR 2009007977W WO 2010123189 A1 WO2010123189 A1 WO 2010123189A1
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- Prior art keywords
- quantum efficiency
- light
- solar cell
- solar panel
- homogeneity
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- 238000003384 imaging method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 43
- 238000007689 inspection Methods 0.000 claims abstract description 37
- 238000004364 calculation method Methods 0.000 claims abstract description 23
- 230000001678 irradiating effect Effects 0.000 claims abstract description 14
- 229910052724 xenon Inorganic materials 0.000 claims description 14
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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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
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0437—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using masks, aperture plates, spatial light modulators, spatial filters, e.g. reflective filters
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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
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0411—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction
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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
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0422—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using light concentrators, collectors or condensers
-
- 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
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0488—Optical or mechanical part supplementary adjustable parts with spectral filtering
- G01J1/0492—Optical or mechanical part supplementary adjustable parts with spectral filtering using at least two different filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Definitions
- the present invention relates to a device and method for inspecting the homogeneity of solar cell quantum efficiency, and more particularly, using an image device such as a liquid crystal display (LCD) or a digital micromirror device (DMD).
- an image device such as a liquid crystal display (LCD) or a digital micromirror device (DMD).
- the present invention relates to a quantum efficiency homogeneity inspection device and a method of solar cells.
- the solar cell is a device that generates power by irradiating uniform sunlight, but when light is irradiated to a part of the solar cell, only power corresponding to the ratio of the irradiation area to the total area is generated.
- the quantum efficiency homogeneity may be damaged by local material defects or malfunctions in the solar cell, measurement is necessary in the process of research, manufacture, and inspection of the solar panel. It is also possible to predict long-term lifespan by observing this homogeneity change while applying a harsh environment to the solar cell.
- a solar cell is installed on a two-axis servo control feeder, or a white or monochromatic light source to be irradiated is installed or scanned on a two-axis servo control feeder directly or through an optical fiber. I was using the method.
- a laser beam was incident on the lens, and a method of measuring short circuit current by changing the position at which the beam exited from the lens fell by controlling the incident angle of the beam by a mechanical or electrical method.
- the present invention has been made to solve the above-mentioned conventional problems,
- the first object of the present invention is to investigate the quantum efficiency homogeneity by irradiating light rays to the solar panel to eliminate mechanical movement to prevent vibration and noise, and to accurately measure the homogeneity of the solar cell quantum efficiency It is to provide a homogeneity test device and an inspection method.
- the second object of the present invention is to examine the homogeneity of the quantum efficiency by irradiating light rays to the solar panel, such as opening and closing the pixels of the image element, such as to control the number and pattern of the pixels can be easily and efficiently inspected image
- the present invention provides a solar cell quantum efficiency homogeneity inspection device and an inspection method.
- a third object of the present invention is a solar cell quantum efficiency homogeneity inspection apparatus using an image element capable of automatically adjusting the size without using an additional optical system to adjust the size of the irradiation light beam to determine the spatial resolution of the quantum efficiency And an inspection method.
- An object of the present invention is a light emitting device 100 for irradiating predetermined light;
- An imaging device 200 for changing an optical path of light rays emitted from the light emitting device 100 according to individual control of a plurality of pixels;
- An image element controller 300 for individually controlling a state of a plurality of pixels of the image element 200;
- the light emitting device 100 is preferably an artificial solar light generating device 110 for generating artificial sunlight.
- the artificial solar generator 110 preferably includes a xenon lamp 111 and a reflector 112 for collecting light generated from the xenon lamp 111.
- the artificial solar light generating device 110 may further include a correction filter 113 for making the light collected through the reflector 112 into a standard spectral distribution.
- the solar cell quantum efficiency homogeneity tester using the imaging device may further include a focusing lens 600 for focusing the light of the light emitting device 100 to the imaging device 200.
- the image device 200 is preferably a liquid crystal display device 210 that can pass or block the light.
- the image device 200 is also preferably a digital micro-mirror device 220 capable of reflecting light rays.
- the solar cell quantum efficiency homogeneity inspection device using the image device further includes a display unit 500 for displaying the quantum efficiency calculated by the calculation controller 900.
- the calculation controller 900 includes a current / voltage converter 510 for converting the photocurrent generated in the solar panel 400 into a voltage signal; And an analog / digital converter 520 for converting the voltage signal into a digital signal.
- the solar cell quantum efficiency homogeneity inspection apparatus using the image element further includes a color filter 700 for passing the light beam of a specific wavelength of the artificial sunlight.
- the color filter 700 may further include a color filter rotating device 710 so that a plurality of color filters 700 for each wavelength band may be inserted in the optical path.
- the light adjusting lens 800 is further provided between the image device 200 and the solar panel 400.
- an object of the present invention is a step of irradiating a predetermined light through the light emitting device 100 (S100); Converging the light rays emitted from the light emitting device 100 to the image device 200 capable of individually controlling a plurality of pixels (S200); The light beam passing through or being reflected to the pixel according to the control command of the predetermined pixel of the image element controller 300 (S300); Irradiating light rays corresponding to the pixels to the solar panel 400 (S400); Generating a photocurrent signal by the light beam irradiated to the solar panel 400 (S500); and calculating, by the calculation controller 900, the quantum efficiency based on the photocurrent signal (S600).
- Solar cell quantum efficiency homogeneity using the imaging device can be achieved by the method.
- Irradiation step (S100) the light beam from the xenon lamp 111 is reflected to the reflector 112 and having a specific direction (S110); and the light beam passes through the correction filter 113 to the standard distribution of artificial sunlight It is preferable to have a step (S120).
- the focusing step S200 of the image device 200 may further include a step S210 of transmitting the light beam having a predetermined wavelength among artificial sunlight through the color filter 700 inserted into the color filter rotating device 710. Do.
- the light beam passes through the light control lens 800 located between the image device 200 and the solar panel 400.
- Step S310 is preferably further included.
- the quantum efficiency calculating step S600 may include obtaining photocurrent data generated by the photodetector having a uniform spatial response characteristic in the calculation controller 900 (S610); Obtaining photocurrent data generated in the solar panel 400 in the calculation controller 900 (S620); The calculation control unit 900 divides the photocurrent data of the solar panel 400 into photocurrent data of the photodetector and converts the photocurrent data into standardized data (S630); and the quantum efficiency homogeneity of the solar panel 400 based on the standardized data. Acquiring the information (S640); preferably.
- step S610 it is preferable to further include a step S605 of placing the photodetector including the two-axis servo control feeder at the position of the solar panel 400.
- the present invention can increase the accuracy of the inspection because it prevents vibration and noise by checking the homogeneity of the solar panel according to the quantum efficiency by irradiating light rays to the solar panel to prevent vibration and noise and to check the accurate homogeneity. .
- the present invention can automatically control the opening and closing of the pixel of the image element in the inspection of the homogeneity of the solar panel according to the quantum efficiency by irradiating light rays to the solar panel, and the number and pattern of pixels can be selected, so the inspection is simple and convenient It also has the effect of reducing the inspection time.
- the present invention is economical because it can reduce the cost by not using an additional optical system to adjust the size of the irradiation light to determine the quantum efficiency spatial resolution.
- 1 is a schematic configuration diagram of the present invention.
- 3 is a second embodiment according to the present invention.
- FIG. 4 is a flowchart illustrating a light movement path and an inspection method in the inspection apparatus of the present invention.
- FIG. 5 is a flowchart illustrating a method of calculating a solar cell quantum efficiency.
- light emitting device 110 artificial solar light generating device
- liquid crystal display element 220 digital ultra-mirror element
- color filter 710 color filter rotating device 800: light control lens
- a quantum efficiency homogeneity test apparatus for a solar cell using an imaging device basically includes a light emitting device 100, an imaging device 200, an imaging device controller 300, a solar panel 400, and a display unit ( 500, the calculation control unit 900.
- a quantum efficiency homogeneity test apparatus for a solar cell using an imaging device basically includes a light emitting device 100, an imaging device 200, an imaging device controller 300, a solar panel 400, and a display unit ( 500, the calculation control unit 900.
- Figure 2 shows a first embodiment according to the present invention.
- the first embodiment of the present invention includes a light emitting device 100 to generate a desired light beam, and a focusing lens 600, a liquid crystal display (LCD) element 210, and a color filter on an optical path. 700, the light adjusting lens 800 and the solar panel 400 is configured so that the artificial sunlight can be irradiated to the solar panel 400.
- a light emitting device 100 to generate a desired light beam
- a focusing lens 600 to generate a desired light beam
- a liquid crystal display (LCD) element 210 to generate a desired light beam
- a color filter on an optical path.
- 700, the light adjusting lens 800 and the solar panel 400 is configured so that the artificial sunlight can be irradiated to the solar panel 400.
- the image element controller 300 for passing a desired light ray, the display unit 500 for displaying the photocurrent generated by the irradiation of artificial sunlight and the calculation control unit 900 is further provided a solar cell using the liquid crystal display element 210 A quantum efficiency homogeneity inspection device is constructed.
- the light emitting device 100 uses an artificial photovoltaic device 110 in order to use light similar to the actual solar light, and the artificial photovoltaic device 110 includes a Xenon lamp 111 and a reflector 112. ), And a correction filter 113.
- the xenon lamp 111 light source Since other light sources have different intensity of light for each wavelength than the spectrum generated from the sun, the xenon lamp 111 light source has priority.
- the optical energy spectrum distribution using the xenon lamp 111 is different from the AM1.5 standard spectrum distribution used as a standard, so that a correction filter 113 is separately added to achieve more accurate spectrum.
- the reflector 112 collects light emitted from the xenon lamp 111 in a predetermined direction.
- the liquid crystal display device 210 uses a device having a plurality of pixels so as to be located on the optical path and match with a specific portion of the solar panel 400.
- a specific scanning method may be selected through the image device controller 300 for controlling opening and closing of pixels.
- the backlight unit required for the use of the liquid crystal display device is unnecessary.
- the image device controller 300 may use a computer or a pattern generator, and may open pixels one by one as a scanning method of a specific pattern, or may bundle and open several pixels. In this case, inspection time can be shortened by opening one column or one row or by grouping several squares.
- the image device controller 300 is connected to the calculation controller 900. Therefore, the calculation controller 900 receives the scan pattern information from the image device controller 300 to analyze the photocurrent data of the solar panel 400 and display the data on the display unit 500.
- the solar panel 400 is subjected to a homogeneity test according to quantum efficiency, and a specific light beam irradiated through the liquid crystal display device 210 is converted into photocurrent data by photoelectric effect and transmitted to the display unit 500.
- the display unit 500 may further include a current / voltage converter 510 and an analog / digital converter 520 to display image information. That is, the current / voltage converter 510 converts the photocurrent generated in the solar cell portion corresponding to each pixel of the liquid crystal display device 210 into a voltage signal, and the analog / digital converter 520 passes through the current / voltage converter. The analog voltage signal is converted into a digital signal, and the display unit 500 displays the digital signal passed through the analog / digital converter 520 as an image.
- the focusing lens 600 is disposed so that artificial sunlight emitted from the artificial solar generator 110 is focused on the liquid crystal display device 210, and a convex lens may be used.
- the color filter 700 may be positioned in front of or behind the image device 200 on the optical path, and the use of various colors is to know the quantum efficiency of the solar panel 400 according to the wavelength.
- a color filter rotating device 710 is provided for easy use of the color filter 700, and the color filter 700 is installed in a circular shape and rotated therein to measure quantum efficiency for each wavelength band.
- the light adjusting lens 800 is a convex lens that is used to adjust the light passing through the liquid crystal display device 210 to be accurately irradiated on the solar panel 400.
- FIG 3 is a view showing a second embodiment according to the present invention.
- the light emitting device 100 is provided to generate a desired light beam, and a focusing lens 600, a digital micromirror (DMD) element 220, a color filter 700, and a light adjusting lens 800 and the solar panel 400 is configured to be irradiated with artificial sunlight to the solar panel 400.
- a focusing lens 600, a digital micromirror (DMD) element 220, a color filter 700, and a light adjusting lens 800 and the solar panel 400 is configured to be irradiated with artificial sunlight to the solar panel 400.
- the image element controller 300 for passing a desired light ray, a display unit 500 for displaying the photocurrent generated by the irradiation of artificial sunlight, and a calculation controller 900 are further provided to use the digital micromirror element 220.
- a battery quantum efficiency homogeneity inspection device is configured.
- the artificial solar generator 110 is used as the light emitting device 100, and the artificial solar generator 110 includes a xenon lamp 111, a reflector 112, and a correction filter 113. Same as the embodiment.
- the digital micromirror element 220 is composed of a number of micromirrors (pixels), and according to a scan pattern command, the direction of reflection of a specific micromirror is automatically adjusted to change the traveling direction of the light beam. Therefore, only a specific ray of the artificial sunlight emitted from the artificial solar generator 110 is reflected to the solar panel 400 and the other ray is reflected in a different direction to achieve the desired purpose.
- the specific element is automatically controlled and the specific scanning method can be selected using the image element controller 300.
- the image element controller 300 may be a computer or a pattern generator.
- the first embodiment is configured to control specific light rays by opening and closing pixels
- the second embodiment is configured to control the reflection direction of the pixels and to control the plurality of pixels to have the same reflection direction. Is different from
- the condenser lens 600 is used to condense the artificial sunlight emitted from the artificial solar generator 110 to the digital micromirror element 220.
- the color filter 700 and the color filter rotating device 710 are further provided, and the solar cell panel 400 may be irradiated with light for each wavelength according to the first embodiment.
- a convex lens is used as the light adjusting lens 800, and a current / voltage converter 510 and an analog / digital converter 520 are further provided on the display unit 500 to display a digital signal as an image. Same as the embodiment.
- FIG. 4 is a flowchart illustrating a method of inspecting the homogeneity of solar cell quantum efficiency using an image device.
- a predetermined light is irradiated through the light emitting device 100 (S100), but the light emitting device 100 is an artificial photovoltaic generator 110.
- Light rays emitted from the xenon lamp 111 are reflected by the reflector 112 to face a predetermined direction (S110) and pass through the correction filter 113 to have a standard distribution of artificial sunlight (S120).
- the artificial sunlight passes through the focusing lens 600 and is focused on the image device 200 (S200).
- the color filter 700 in which light rays of a specific wavelength band of the artificial sunlight are inserted into the color filter rotating device 710 is used. Pass through (S210).
- the light beam passes through the pixel or is reflected by the pixel according to a specific pixel control command of the image device controller 300 (S300), and the light adjusting lens 800 positioned between the image device 200 and the solar panel 400.
- Through (S310) is irradiated to the solar panel 400 corresponding to the pixel (S400).
- a photocurrent signal is generated (S500), and the calculation controller 900 outputs quantum efficiency information of the solar cell through a process of acquiring and converting the photocurrent signal (S600). ).
- the photocurrent data Data1 and Data2 are secured as follows. The efficiency should be checked.
- a photodetector (not shown) including a two-axis servo control feeder is installed at the position of the solar panel 400 under test in the inspection apparatus according to the first and second embodiments (S605).
- the photodetector may use a silicon photodetector and should be a photodetector with uniform spatial response characteristics.
- Photocurrent data (Data 1) generated from the silicon photodetector is obtained in the calculation control unit 900 (S610), and then replace the silicon photodetector with a solar panel 400, and then irradiated with artificial sunlight is measured solar panel (
- the photocurrent data Data 2 generated at 400 is obtained by the calculation controller 900 (S620).
- the calculation controller 900 divides the photocurrent data of the solar panel 400 into photocurrent data of the photodetector and converts the photocurrent data into standardized data (S630).
- Quantum efficiency homogeneity of the solar panel 400 may be obtained through the converted standardized data (S640) to evaluate the solar cell quantum efficiency homogeneity.
- the photocurrent data Data 1 may be acquired once and mounted in a memory for a long time.
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Abstract
Description
Claims (18)
- 소정의 빛을 조사하는 발광장치(100);상기 발광장치(100)에서 나온 광선을 복수 픽셀의 개별 제어에 따라 광로를 변경하는 영상소자(200);상기 영상소자(200)중 상기 복수 픽셀의 상태를 개별 제어하는 영상소자 제어부(300);상기 영상소자(200)를 통과 또는 반사한 상기 광선이 조사되는 태양전지판(400);및상기 태양전지판(400)에서 발생한 광전류 신호에 기초하여 상기 태양전지판(400)의 양자효율을 산출하는 산출제어부(900);를 포함하는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 1항에 있어서,상기 발광장치(100)는 인공 태양광을 발생시키는 인공태양광 발생장치(110)인 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 2항에 있어서,상기 인공태양광 발생장치(110)는,제논램프(111);및상기 제논램프(111)에서 발생하는 빛을 포집하기 위한 리플렉터(112);를 포함하는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 3항에 있어서,상기 인공태양광 발생장치(110)는, 상기 리플렉터(112)를 통해 포집된 상기 빛을 표준분광분포로 만들기 위한 보정필터(113)를 더 포함하는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 1항에 있어서,상기 발광장치(100)의 빛을 상기 영상소자(200)에 집속시키는 집속렌즈(600)를 더 포함하는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 1항에 있어서,상기 영상소자(200)는 상기 광선을 통과시키거나 차단할 수 있는 액정디스플레이 소자(210)인 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 1항에 있어서,상기 영상소자(200)는 상기 광선을 반사시킬 수 있는 디지털극소거울 소자(220)인 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 1항에 있어서,상기 산출제어부(900)에서 산출된 양자효율을 표시하기 위한 표시부(500)가 더 구비된 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 1항에 있어서,상기 산출제어부(900)는,상기 태양전지판(400)에서 발생하는 광전류를 전압 신호로 변환하는 전류/전압 변환기(510); 및상기 전압 신호를 디지털 신호로 변환하는 아날로그/디지털 변환기(520);를 더 포함하는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 2항에 있어서,상기 인공 태양광 중 특정 파장대의 광선을 통과시키는 색필터(700)를 더 포함하는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 10항에 있어서,상기 색필터(700)는 광로상에 파장대별 복수의 색필터(700)가 삽입될 수 있도록 색필터 회전장치(710)가 더 구비된 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 제 2항에 있어서,상기 인공 태양광을 태양전지판(400)에 조사하기 위해 상기 영상소자(200)와 상기 태양전지판(400) 사이에 광조절렌즈(800)가 더 구비된 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치.
- 발광장치(100)를 통해 소정의 빛이 조사되는 단계(S100);상기 발광장치(100)에서 나온 광선이 복수 픽셀의 개별 제어가 가능한 영상소자(200)에 집속되는 단계(S200);상기 광선이 영상소자 제어부(300)의 소정 픽셀의 제어 명령에 따라 상기 픽셀을 통과 또는 상기 픽셀에 반사되는 단계(S300);상기 픽셀에 대응되는 상기 광선이 태양전지판(400)에 조사되는 단계(S400);상기 태양전지판(400)에 조사된 상기 광선에 의해 광전류 신호가 발생되는 단계(S500);및산출 제어부(900)가 상기 광전류 신호를 기초로 양자효율을 산출하는 단계(S600);를 포함하는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 방법.
- 제 13항에 있어서,상기 조사단계(S100)는,제논램프(111)로부터 나온 광선이 리플렉터(112)에 반사되어 특정 방향을 갖는 단계(S110);및상기 광선이 보정필터(113)를 통과하여 인공태양광의 표준분광분포를 갖는 단계(S120);인 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 방법.
- 제 14항에 있어서,상기 영상소자(200) 집속단계(S200)는,상기 인공태양광 중 소정 파장대의 광선이 색필터 회전장치(710)에 삽입된 색필터(700)를 통해 투과되는 단계(S210)가 더 포함되는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 방법.
- 제 13항에 있어서,상기 픽셀의 통과 또는 반사 단계(S300)와 상기 태양전지판(400) 조사단계(S400) 사이에는,상기 광선이 상기 영상소자(200)와 상기 태양전지판(400) 사이에 위치한 광조절렌즈(800)를 통과하는 단계(S310)가 더 포함되는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 방법.
- 제 13항에 있어서,상기 양자효율 산출단계(S600)는,공간응답특성이 균일한 광검출기에서 발생한 광전류 데이터가 상기 산출 제어부(900)에 획득되는 단계(S610);상기 태양전지판(400)에서 발생한 광전류 데이터가 상기 산출 제어부(900)에 획득되는 단계(S620);상기 산출 제어부(900)가 상기 태양전지판(400)의 광전류 데이터를 상기 광검출기의 광전류 데이터로 나누어 규격화된 데이터로 변환하는 단계(S630);및상기 규격화된 데이터에 기초하여 상기 태양전지판(400)의 양자효율 균질도 정보를 획득하는 단계(S640);인 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 방법.
- 제 17항에 있어서,상기 광전류 데이터 획득단계(S610)가 실행되기 전에,상기 태양전지판(400) 위치에 2축 서보 제어 이송대를 포함하는 상기 광검출기를 배치하는 단계(S605)가 더 포함되는 것을 특징으로 하는 영상소자를 이용한 태양전지 양자효율 균질도 검사 방법.
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US13/131,171 US8390309B2 (en) | 2009-04-20 | 2009-12-30 | Apparatus and method for inspecting homogeneity of solar cell quantum efficiency using imaging device |
CN2009801479913A CN102227823A (zh) | 2009-04-20 | 2009-12-30 | 使用空间光调制装置检测太阳能电池量子效率均匀性的设备和方法 |
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KR1020090033988A KR101121451B1 (ko) | 2009-04-20 | 2009-04-20 | 영상소자를 이용한 태양전지 양자효율 균질도 검사 장치 및 검사 방법 |
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KR101326141B1 (ko) * | 2012-07-11 | 2013-11-06 | 한국에너지기술연구원 | 태양전지 시험 장치의 균일도 측정 장치와 방법 |
CN104184413A (zh) * | 2013-05-27 | 2014-12-03 | 新科实业有限公司 | 太阳能电池板的测试方法及测试装置 |
NL2011207C2 (en) * | 2013-07-23 | 2015-01-26 | Stichting Energie | Device and method for testing a photo-voltaic cell. |
KR101684248B1 (ko) * | 2014-12-22 | 2016-12-09 | 한국에너지기술연구원 | 태양전지 모듈의 그늘 테스트 장치 및 그 방법 |
CN106301221B (zh) * | 2016-09-19 | 2018-09-28 | 华东师范大学 | 基于数字微镜器件的太阳能电池量子效率检测方法及装置 |
CN106877818B (zh) * | 2017-03-14 | 2019-03-01 | 华东师范大学 | 一种多结太阳能电池子结之间发光耦合效率的检测装置及方法 |
CN108931716B (zh) * | 2017-05-23 | 2020-09-18 | 光焱科技股份有限公司 | 太阳能电池的量测设备 |
WO2019234483A1 (en) * | 2018-06-05 | 2019-12-12 | Jawaharlal Nehru Centre For Advanced Scientific Research | Method and system to assess solar cells |
CN108761300B (zh) * | 2018-06-22 | 2020-08-25 | 中国计量大学 | 基于频分复用的太阳能电池外量子效率快速测试系统及方法 |
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CN113155416B (zh) * | 2021-04-22 | 2022-02-25 | 首都师范大学 | 大面积发光件上单个像素外量子效率快速检测系统及其检测方法 |
CN117811499B (zh) * | 2024-02-28 | 2024-04-30 | 大连创锐光谱科技有限公司 | 一种高速检测太阳能电池板的光电流成像系统及方法 |
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Also Published As
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CN102227823A (zh) | 2011-10-26 |
US8390309B2 (en) | 2013-03-05 |
US20110227598A1 (en) | 2011-09-22 |
KR20100115432A (ko) | 2010-10-28 |
KR101121451B1 (ko) | 2012-03-15 |
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