CN114935402A - Spectrum superposition filter sheet type imaging brightness and colorimeter - Google Patents
Spectrum superposition filter sheet type imaging brightness and colorimeter Download PDFInfo
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- CN114935402A CN114935402A CN202210632552.9A CN202210632552A CN114935402A CN 114935402 A CN114935402 A CN 114935402A CN 202210632552 A CN202210632552 A CN 202210632552A CN 114935402 A CN114935402 A CN 114935402A
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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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
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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
- G01J1/0214—Constructional arrangements for removing stray light
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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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
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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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
- G01J2001/4446—Type of detector
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- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
本发明公开了一种光谱叠加滤片式成像亮度色度计，包括壳体和驱动组件，壳体连接有镜头，壳体转动连接有转盘，转盘位于壳体内，驱动组件用于驱动转盘转动，转盘的盘面上围绕圆心开设有两个以上的固定孔，部分固定孔设置有反光镜，壳体内设置有光谱仪，光谱仪连接有光纤，镜头中的影像通过反光镜进入到光纤中,部分固定孔设置有滤光片，壳体内设置有相机，镜头中的影像透过滤光片进入到相机中。本发明提供的一种光谱叠加滤片式成像亮度色度计在同一台仪器上集成了同时可以对面板的光谱数据和亮度颜色进行测试，简化了原来的测试方式提高了测试效率，同时针对于光谱仪与相机相结合的方式提高了检测精度。
The invention discloses a spectral superposition filter type imaging luminance colorimeter, comprising a casing and a drive assembly, the casing is connected with a lens, the casing is rotatably connected with a turntable, the turntable is located in the casing, and the drive assembly is used for driving the turntable to rotate, The disk surface of the turntable is provided with more than two fixing holes around the center of the circle. Some of the fixing holes are provided with reflectors. The shell is provided with a spectrometer. The spectrometer is connected with an optical fiber. The image in the lens enters the optical fiber through the reflector. Some fixed holes are provided with There is a filter, a camera is arranged in the casing, and the image in the lens enters the camera through the filter. The spectral superposition filter type imaging luminance colorimeter provided by the invention is integrated on the same instrument and can test the spectral data and luminance color of the panel at the same time, which simplifies the original test method and improves the test efficiency. The way the spectrometer is combined with the camera improves detection accuracy.
Description
Technical Field
The application relates to the field of panel optical detection equipment, in particular to a spectrum superposition filter type imaging brightness and colorimeter.
Background
With the rapid development of optics, the technical and industrial application scales of display devices are rapidly increasing. The filter type imaging brightness colorimeter is mainly applied to the brightness and color uniformity test of a display panel, and the application fields comprise LCD \ OLED \ miniLED \ micro LED and the like.
The principle of the filter type imaging brightness colorimeter is that an electrically controlled rotating wheel is arranged between a lens and an imaging sensor, an optical filter simulating a human eye visual function curve is arranged on the rotating wheel, 4 optical filters are arranged, namely an X filter, a Y filter, a Z filter and an X' filter, during testing, software controls the rotating wheel to rotate, when each filter reaches the position right above the sensor, the image sensor stops shooting and imaging, 4 groups of images are tested in sequence, and then the brightness and the color of the images are calculated according to the 4 groups of images. The spectrometer is widely applied to the fields of Raman spectroscopy, semiconductor industry, component detection, LED measurement, emission spectrum measurement, ultraviolet/visible absorption spectrum measurement, color measurement and the like.
At present, the industry needs to test the brightness and color uniformity of a panel and simultaneously needs to test the spectrum data of the center of the panel. Therefore, 2 instruments are needed, one filter imaging luminance colorimeter is used for testing the uniformity of the luminance color of the panel, and one spectrometer is used for testing the spectral data in the center of the panel. And 2 stations are required to be respectively tested, so that the testing efficiency of the panel is reduced, and the integral installation space of the equipment is increased.
Disclosure of Invention
In order to improve the detection efficiency to display panel's colour luminance and spectral data, reduce check out test set's volume, this application provides a spectrum stack filter formula formation of image luminance colorimeter.
The application provides a spectrum adds filter-type formation of image luminance colorimeter adopts following technical scheme:
a spectrum superposition filter type imaging brightness and colorimeter comprises a shell and a driving assembly, wherein the shell is connected with a lens, the shell is rotatably connected with a rotary table, the rotary table is positioned in the shell, the driving assembly is used for driving the rotary table to rotate, more than two fixing holes are formed in the disc surface of the rotary table around the circle center, reflectors are arranged in part of the fixing holes, a spectrometer is arranged in the shell and connected with an optical fiber, and an image in the lens enters the optical fiber through the reflectors;
and part of the fixing holes are provided with optical filters, a camera is arranged in the shell, and images in the lens enter the camera through the optical filters.
Through adopting above-mentioned technical scheme, when the luminance and the colour of needs counterplate examine time measuring, image in the camera lens enters into the camera through permeating the light filter, through rotating the carousel, change different light filters, thereby the luminance and the colour of counterplate detect, when the spectral data of needs counterplate detects, rotate the carousel, image in the camera lens passes through the reflector and enters into the optic fibre, the spectrum data of spectrum appearance counterplate detects, this device has integrateed simultaneously can the spectral data and the luminance colour of counterplate and test on same platform instrument, original test mode has been simplified and has been improved efficiency, the mode that combines together has improved the detection precision to the spectrum appearance with the camera simultaneously.
Optionally, the camera and the lens are located on the same axis, and the optical filter is movable to an axis between the camera and the lens.
By adopting the technical scheme, different optical filters are moved between the camera and the lens by rotating the turntable, so that the brightness and the chromaticity of the panel are detected.
Optionally, five fixing holes are formed in the disc surface of the rotary disc, the fixing holes are circumferentially arranged by taking the center of the rotary disc as a circle center, and the number of the optical filters is four.
By adopting the technical scheme, the four optical filters can fully detect the brightness and the chromaticity of the panel.
Optionally, the optical filter is fixed on the fixing hole through a fixing ring, and the fixing ring is detachably connected with the turntable.
Through adopting above-mentioned technical scheme, be convenient for change the light filter through dismantling solid fixed ring.
Optionally, the reflector is connected with a reflector, and the reflector is fixed on the fixing hole through a fixing ring;
the side wall of the reflecting cover between the reflector and the optical fiber is provided with a through hole.
By adopting the technical scheme, stray light is prevented from entering the optical fiber through the reflector, so that the detection precision of the spectrometer is improved.
Optionally, the driving assembly is a driving motor, and the driving motor drives the turntable to rotate in a belt or gear meshing manner.
Through adopting above-mentioned technical scheme, driving motor drive carousel rotates.
Optionally, a photoelectric sensor is arranged in the casing, a through groove is formed in the edge position of the rotary table, the photoelectric sensor is used for measuring the rotation origin of the rotary table, and the photoelectric sensor is electrically connected with the driving motor.
Through adopting above-mentioned technical scheme, photoelectric sensor surveys the rotation initial point of carousel to make the accurate fixed orifices that passes through of image in the camera lens, thereby improve and detect the precision.
Optionally, the through groove is located at a position close to the reflective mirror, and when the photoelectric sensor detects the through groove, the through holes where the lens and the reflective mirror are located on the same axis.
By adopting the technical scheme, the turntable rotates along with the spectrum data of the counter panel after being detected, so that the image in the lens can conveniently penetrate through the optical filter, the brightness and the chromaticity of the counter panel can be conveniently detected, and the detection precision and the detection efficiency can be improved.
Optionally, the camera lens is fixed on the shell in a threaded connection mode, the shell is fixedly connected with a fixing piece, the fixing piece is elastically connected with a button, the button is connected with a limiting rod through a connecting plate, a limiting hole is formed in the camera lens, and the limiting rod can be arranged in the limiting hole.
Through adopting above-mentioned technical scheme, the gag lever post is spacing to the camera lens.
Optionally, an air blower is arranged in the housing, and the housing is provided with a vent hole.
Through adopting above-mentioned technical scheme, the air-blower is cooled down to the inside spare part of casing, reduces the phenomenon of generating heat.
Compared with the prior art, the invention has the beneficial effects that:
according to the device, the reflector and the turntable are arranged, when the brightness and the color of the panel need to be detected, the image in the lens enters the camera through the optical filter, different optical filters are changed by rotating the turntable, so that the brightness and the color of the panel are detected, when the spectral data of the panel need to be detected, the turntable is rotated, the image in the lens enters the optical fiber through the reflector, and the spectrometer detects the spectral data of the panel;
according to the invention, the photoelectric sensor is arranged and is used for measuring the rotation origin of the turntable, so that the image in the lens can accurately pass through the fixing hole, and the detection precision is improved;
the invention has the advantages that the reflecting cover is arranged, and stray light is prevented from entering the optical fiber through the reflecting mirror by the reflecting cover, so that the detection precision of the spectrometer is improved.
Drawings
FIG. 1 is a schematic diagram of a spectral overlay filter type imaging luminance colorimeter according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of a spectral overlay filter type imaging luminance colorimeter according to the present invention;
FIG. 3 is a schematic structural diagram of a fixing ring in a spectral stacking filter imaging luminance colorimeter according to the present invention;
FIG. 4 is a schematic diagram of the position of a turntable in a spectral overlay filter type imaging luminance colorimeter according to the present invention;
FIG. 5 is a schematic diagram showing the positional relationship between the optical fiber and the reflector in the spectral overlay filter type imaging luminance colorimeter according to the present invention;
fig. 6 is a schematic diagram of a positional connection relationship between a button and a limiting rod in a spectral stacking filter imaging luminance colorimeter according to the present invention.
In the figure: 1. a housing; 2. a drive assembly; 3. a drive motor; 4. a lens; 5. a turntable; 6. a support plate; 7. a rotating shaft; 8. a fixing hole; 9. a reflective mirror; 10. a spectrometer; 11. an optical fiber; 12. an optical filter; 13. a camera; 14. a fixing ring; 15. a reflector; 16. a photosensor; 17. a through groove; 18. a fixing member; 19. a button; 20. a connecting plate; 21. a limiting rod; 22. a blower.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the embodiment of the spectrum stacked filter imaging luminance colorimeter provided by the invention comprises a housing 1 and a driving assembly 2, wherein the housing 1 is connected with a lens 4, the housing 1 is rotatably connected with a turntable 5, the turntable 5 is positioned in the housing 1, the driving assembly 2 is used for driving the turntable 5 to rotate, more than two fixing holes 8 are formed in the surface of the turntable 5 around the center of a circle, a part of the fixing holes 8 are provided with a reflector 9, a spectrometer 10 is arranged in the housing 1, the spectrometer 10 is connected with an optical fiber 11, and an image in the lens 4 enters the optical fiber 11 through the reflector 9;
the partial fixing hole 8 is provided with a filter 12, a camera 13 is arranged in the shell 1, the camera 13 and the lens 4 are positioned on the same axis, and the filter 12 can move to the axis between the camera 13 and the lens 4. By rotating the turntable 5, different filters 12 are moved between the camera 13 and the lens 4, and the brightness and chromaticity of the panel are detected. The image in the lens 4 passes through the filter 12 and enters the camera 13.
Five fixing holes 8 are formed in the disc surface of the rotary disc 5, the fixing holes 8 are circumferentially arranged by taking the center of the rotary disc 5 as the circle center, and the number of the optical filters 12 is four. The four filters 12 thus provide sufficient detection of the luminance and chromaticity of the panel. The filter 12 is fixed on the fixing hole 8 through a fixing ring 14, and the fixing ring 14 is detachably connected with the turntable 5. Replacement of the filter 12 is facilitated by removing the fixing ring 14.
The angle between the reflector 9 and the plane where the rotating disc 5 is located is 45 degrees. The reflector 9 is connected with a reflector 15, the reflector 15 is fixed on the fixing hole 8 through a fixing ring 14, and a through hole is formed in the side wall of the reflector 15 between the reflector 9 and the optical fiber 11. Stray light is prevented from entering the optical fiber 11 through the reflective mirror 9, thereby improving the detection accuracy of the spectrometer 10.
A supporting plate 6 is connected in the shell 1, and the rotary disc 5 is rotatably connected with the supporting plate 6 through a rotating shaft 7. The driving component 2 is a driving motor 3, and the driving motor 3 drives the turntable 5 to rotate in a belt or gear meshing mode. The driving motor 3 drives the turntable 5 to rotate. A photoelectric sensor 16 is arranged in the shell 1, a through groove 17 is formed in the edge position of the rotary disc 5, the photoelectric sensor 16 is used for measuring the rotation original point of the rotary disc 5, and the photoelectric sensor 16 is electrically connected with the driving motor 3. The photoelectric sensor 16 measures the rotation origin of the turntable 5, so that the image in the lens 4 accurately passes through the fixing hole 8, and the detection precision is improved.
The through groove 17 is located close to the mirror 9, and when the photoelectric sensor 16 detects the through groove 17, the lens 4 and the through hole in which the mirror 9 is located are located on the same axis. After the spectral data of the panel is detected, the turntable 5 rotates along with the spectral data, so that the image in the lens 4 can conveniently penetrate through the optical filter 12, the brightness and the chromaticity of the panel can be conveniently detected, and the detection precision and the detection efficiency can be improved.
Still be provided with position sensor in the casing 1, when the belt was in normal condition, the corresponding time of driving motor work, position sensor detected leading to the groove, and when the belt loosened, position sensor could not detect leading to the groove to the suggestion staff belt relaxes, thereby the image in the camera lens 4 of being convenient for sees through light filter 12, has improved the detection precision.
The camera lens 4 is fixed on the shell 1 in a threaded connection mode, the shell 1 is fixedly connected with a fixing piece 18, the fixing piece 18 is elastically connected with a button 19 through a spring, the button 19 is connected with a limiting rod 21 through a connecting plate 20, the camera lens 4 is provided with a limiting hole, and the limiting rod 21 can be arranged in the limiting hole. The limiting rod 21 limits the lens 4.
The housing 1 is provided with an air blower 22 therein, and the housing 1 is provided with a vent hole. The blower 22 cools down the components inside the casing 1 to reduce heat generation.
The working principle is as follows:
when the luminance and the colour of the panel need to be detected, the image in the camera lens 4 enters the camera 13 through penetrating the optical filter 12, through rotating the turntable 5, different optical filters 12 are changed, thereby the luminance and the colour of the panel are detected, when the spectral data of the panel need to be detected, the turntable 5 is rotated, the image in the camera lens 4 enters the optical fiber 11 through the reflector 9, the spectral data of the panel is detected by the spectrometer 10, the device integrates the spectral data and the colour of the brightness which can be used for testing the panel simultaneously on the same instrument, the original testing mode is simplified, the testing efficiency is improved, and meanwhile, the testing precision is improved aiming at the mode that the spectrometer 10 is combined with the camera 13.
The photoelectric sensor 16 measures the rotation origin of the turntable 5, so that the image in the lens 4 accurately passes through the fixing hole 8, and the detection precision is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a spectrum stack filter formula formation of image luminance colorimeter which characterized in that: the optical fiber spectrometer comprises a shell (1) and a driving assembly (2), wherein the shell (1) is connected with a lens (4), the shell (1) is rotatably connected with a turntable (5), the turntable (5) is positioned in the shell (1), the driving assembly (2) is used for driving the turntable (5) to rotate, more than two fixing holes (8) are formed in the disc surface of the turntable (5) around the circle center, a reflecting mirror (9) is arranged in part of the fixing holes (8), a spectrometer (10) is arranged in the shell (1), the spectrometer (10) is connected with an optical fiber (11), and an image in the lens (4) enters the optical fiber (11) through the reflecting mirror (9);
part of the fixing holes (8) are provided with optical filters (12), a camera (13) is arranged in the shell (1), and images in the lens (4) penetrate through the optical filters (12) and enter the camera (13).
2. The spectral overlay filter type imaging luminance colorimeter according to claim 1, wherein: the camera (13) and the lens (4) are located on the same axis, and the optical filter (12) can move to the axis between the camera (13) and the lens (4).
3. The spectral overlay filter type imaging luminance colorimeter according to claim 1, wherein: five fixing holes (8) are formed in the disc surface of the rotary disc (5), the fixing holes (8) are circumferentially arranged by taking the center of the rotary disc (5) as a circle center, and the number of the optical filters (12) is four.
4. The spectral overlay filter type imaging luminance colorimeter according to claim 1, wherein: the optical filter (12) is fixed on the fixing hole (8) through a fixing ring (14), and the fixing ring (14) is detachably connected with the turntable (5).
5. The spectral overlay filter type imaging luminance colorimeter according to claim 1, wherein: the reflector (9) is connected with a reflector (15), and the reflector (15) is fixed on the fixing hole (8) through a fixing ring (14);
and the side wall of the reflecting cover (15) between the reflecting mirror (9) and the optical fiber (11) is provided with a through hole.
6. The brightness colorimeter according to claim 3 wherein said spectral overlay filter imaging is characterized by: the driving assembly (2) is a driving motor (3), and the driving motor (3) drives the turntable (5) to rotate in a belt or gear meshing mode.
7. The brightness colorimeter according to claim 6 wherein said spectral overlay filter imaging is characterized by: photoelectric sensor (16) are arranged in casing (1), logical groove (17) have been seted up to the border position of carousel (5), photoelectric sensor (16) are used for surveing the rotation original point of carousel (5), photoelectric sensor (16) are connected with driving motor (3) electricity.
8. The spectral overlay filter imaging luminance colorimeter according to claim 7 wherein: the through groove (17) is located at a position close to the reflective mirror (9), and when the photoelectric sensor (16) detects the through groove (17), the through holes where the lens (4) and the reflective mirror (9) are located on the same axis.
9. The spectral overlay filter type imaging luminance colorimeter according to claim 1, wherein: the utility model discloses a camera lens, including casing (1), camera lens (4), casing (1) fixedly connected with mounting (18), mounting (18) elastic connection has button (19), button (19) are connected with gag lever post (21) through connecting plate (20), spacing hole has been seted up in camera lens (4), gag lever post (21) can be arranged in the spacing hole.
10. The spectral overlay filter type imaging luminance colorimeter according to claim 1, wherein: an air blower (22) is arranged in the shell (1), and the shell (1) is provided with a vent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632552.9A CN114935402A (en) | 2022-06-06 | 2022-06-06 | Spectrum superposition filter sheet type imaging brightness and colorimeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632552.9A CN114935402A (en) | 2022-06-06 | 2022-06-06 | Spectrum superposition filter sheet type imaging brightness and colorimeter |
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| CN114935402A true CN114935402A (en) | 2022-08-23 |
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| CN202210632552.9A Pending CN114935402A (en) | 2022-06-06 | 2022-06-06 | Spectrum superposition filter sheet type imaging brightness and colorimeter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115692235A (en) * | 2022-12-15 | 2023-02-03 | 江西华尔升科技有限公司 | Colorimeter is used in production of TFT module |
| EP4563981A1 (en) * | 2023-11-20 | 2025-06-04 | SG Medical, Inc. | Multi-wavelength detecting apparatus |
| WO2025189943A1 (en) * | 2024-03-14 | 2025-09-18 | 苏州弗士达科学仪器有限公司 | Imaging luminance, chrominance and viewing angle analyzer |
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| CN213456652U (en) * | 2020-10-29 | 2021-06-15 | 南京林业大学 | A portable flour multi-quality detector based on near infrared |
| CN114207394A (en) * | 2019-05-10 | 2022-03-18 | 爱色丽欧洲有限公司 | Illumination device for a spectrophotometer with integrated mixing optics and method for illuminating a sample |
| CN216669001U (en) * | 2021-12-07 | 2022-06-03 | 武汉精创电子技术有限公司 | Light splitting filter wheel and self-calibration filter type imaging colorimeter |
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2022
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114207394A (en) * | 2019-05-10 | 2022-03-18 | 爱色丽欧洲有限公司 | Illumination device for a spectrophotometer with integrated mixing optics and method for illuminating a sample |
| CN213456652U (en) * | 2020-10-29 | 2021-06-15 | 南京林业大学 | A portable flour multi-quality detector based on near infrared |
| CN216669001U (en) * | 2021-12-07 | 2022-06-03 | 武汉精创电子技术有限公司 | Light splitting filter wheel and self-calibration filter type imaging colorimeter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115692235A (en) * | 2022-12-15 | 2023-02-03 | 江西华尔升科技有限公司 | Colorimeter is used in production of TFT module |
| CN115692235B (en) * | 2022-12-15 | 2025-06-06 | 江西华尔升科技有限公司 | A colorimeter for TFT module production |
| EP4563981A1 (en) * | 2023-11-20 | 2025-06-04 | SG Medical, Inc. | Multi-wavelength detecting apparatus |
| WO2025189943A1 (en) * | 2024-03-14 | 2025-09-18 | 苏州弗士达科学仪器有限公司 | Imaging luminance, chrominance and viewing angle analyzer |
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