CN115185142A - Tongue surface image collecting device - Google Patents
Tongue surface image collecting device Download PDFInfo
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- CN115185142A CN115185142A CN202210813338.3A CN202210813338A CN115185142A CN 115185142 A CN115185142 A CN 115185142A CN 202210813338 A CN202210813338 A CN 202210813338A CN 115185142 A CN115185142 A CN 115185142A
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- 239000011324 bead Substances 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 239000011049 pearl Substances 0.000 claims description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 7
- 238000007689 inspection Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000003745 diagnosis Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009877 rendering Methods 0.000 description 5
- 239000003086 colorant Substances 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002405 diagnostic procedure Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011002 quantification Methods 0.000 description 2
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- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000002558 medical inspection Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/06—Special arrangements of screening, diffusing, or reflecting devices, e.g. in studio
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4854—Diagnosis based on concepts of traditional oriental medicine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- General Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Alternative & Traditional Medicine (AREA)
- General Physics & Mathematics (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses a tongue surface image acquisition device, which comprises: the integrating sphere is in a hollow hemispherical shape, a plurality of light source lamp beads are arranged on the inner side of one end of the integrating sphere at equal angles along the edge circumference of the integrating sphere, the light source lamp beads are all covered in the integrating sphere and located on the same plane, a diffuse reflection layer is arranged inside the integrating sphere, and the light source lamp beads form a surface light source through diffuse reflection of the diffuse reflection layer. The tongue surface image acquisition device provided by the invention can effectively avoid the problem that light directly irradiates the eyes of a patient, and the problem of overhigh temperature of a dark box of equipment is effectively avoided through scientific calculation and verification and assembly of the limited number of light source lamp beads, so that the manufacturing cost is correspondingly reduced.
Description
Technical Field
The invention relates to the technical field of traditional Chinese medicine detection and diagnosis devices, in particular to a tongue surface image acquisition device.
Background
In the four diagnostic methods of traditional medicine, "seeing and hearing" the inspection is known as the first of the four diagnostic methods as the diagnostic means of the visual information of the disease, the inspection of traditional medicine includes the face diagnosis and the tongue diagnosis, and the doctor determines the degree and the category of the disease of the patient by observing the features of the face and the tongue of the patient, such as luster, color, moistening dryness, texture, etc. The classification of the color features of the disease depends on the different colors of red, light red, white, light white, etc. observed by the doctor in the inspection, so that the light has a great influence on the inspection diagnosis result of the doctor in the inspection process of the traditional medicine.
The inspection in traditional medicine mainly depends on subjective experience to judge, and the subjective difference is inevitable. With the development of computer technology, the improvement of the computer on the collected image processing technology, advanced computer algorithms such as image filtering, image enhancement, edge detection and the like are utilized, so that basic features related to scenes such as corners, edges, lines, boundaries, colors and the like can be extracted from images, and the objectivity, quantification and standardization of traditional medical inspection can be realized.
In order to realize the objectification, the quantification and the standardization of the traditional Chinese medicine inspection diagnosis, people adopt a camera shooting sampling device to shoot an image of detection information, and feature information such as color, shape, texture and the like of the image is extracted through an advanced algorithm of a computer to judge the current state of a human body. Various scientific research units and manufacturers design different tongue surface elephant instrument structures to realize the diagnosis and treatment process of the simulation traditional medicine. However, in the research and development design of the light source of the tongue surface image instrument, a method of punching an integrating sphere and mounting an LED lamp bead on the integrating sphere to obtain an effective light source is adopted, and the following problems exist:
1. when the instrument collects tongue image data, the light source directly irradiates the eyes of a patient, so that discomfort and even irreversible damage to the eyes of the patient are caused.
2. The quantity of the LED lamp beads is too much, namely 50 LED lamp beads, and the temperature of the equipment camera bellows is too high when the equipment camera bellows is used due to the fact that the quantity of the LED lamp beads is too much.
It can be seen that the existing tongue surface image collecting device not only directly irradiates the eyes of the patient (the collected person), so that the eyes of the patient (the collected person) are easily injured, but also the use temperature of the device is too high.
Disclosure of Invention
Aiming at the problems that the eyes of a patient are easy to be injured and the use temperature is high in instruments in the prior art, the invention provides a tongue surface image acquisition device which can effectively reduce the injury and the equipment temperature.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a lingual surface image collecting device comprising: the integrating sphere is in a hollow hemispherical shape, a plurality of light source lamp beads are arranged on the inner side of one end of the integrating sphere at equal angles along the edge circumference of the integrating sphere, the light source lamp beads are all covered in the integrating sphere and located on the same plane, a diffuse reflection layer is arranged inside the integrating sphere, and the light source lamp beads form a surface light source through diffuse reflection of the diffuse reflection layer.
Through adopting above-mentioned technical scheme's lingual surface picture collection system comprises integrating sphere and light source lamp pearl and diffuse reflection layer, through establishing light source lamp pearl cover in the inside of integrating sphere and lie in the coplanar, when carrying out data acquisition to patient's lingual surface picture, shine patient's face through the surface light source that diffuse reflection provided, can effectively avoid light to penetrate patient's eyes directly problem.
Furthermore, one end of the integrating sphere is provided with a first port for a lens aperture of the camera to extend into.
Furthermore, a second port is formed at one end, far away from the first port, of the integrating sphere, and a port is reserved for the face of a patient (an acquired person).
Furthermore, the included angle between the two adjacent light source lamp beads and the connecting line of the sphere centers of the integrating spheres is 10-15 degrees.
Further, the diffuse reflection layer is a white diffuse reflection coating, and the white diffuse reflection coating is coated on the inner wall of the integrating sphere.
Further, the white diffuse reflection coating is one of a barium sulfate coating and a magnesium oxide coating.
Further, the light source lamp beads are white LED lamp beads.
Further, the light source lamp bead is arranged at one end, close to the second port, of the integrating sphere.
Further, the integrating sphere is arranged inside the dark box and on the same plane.
Compared with the prior art, the problem that light directly irradiates the eyes of a patient can be effectively avoided, the limited number of light source lamp beads is assembled through scientific calculation and verification, the problem that the temperature of an equipment camera bellows is too high is effectively avoided, and the product cost is correspondingly reduced.
Drawings
FIG. 1 is a schematic view of the tongue and surface image collecting device of the present invention;
FIG. 2 is a schematic view of an integrating sphere of the tongue surface image collecting device according to the present invention;
FIG. 3 is a second schematic view of the integrating sphere of the tongue surface image collecting device of the present invention;
fig. 4 is a schematic cross-sectional view of the integrating sphere of the tongue surface image collecting device of the present invention.
The notation in the figure is: 1-integrating sphere, 2-first port, 3-second port, 4-light source lamp bead, 5-dark box and 6-camera.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention is further described below with reference to the following examples and the accompanying drawings, which are not intended to limit the present invention.
As shown in fig. 1-4, this embodiment provides a tongue picture collection system, including integrating sphere 1, integrating sphere 1 is the hemisphere of cavity setting, the one end inboard edge of integrating sphere 1 edge angle such as circumference is provided with a plurality of light source lamp pearls 4, and is a plurality of light source lamp pearl 4 all covers and establishes the inside of integrating sphere 1, the first port 2 that is used for the camera 6 lens aperture to stretch into is seted up to the one end of integrating sphere 1, second port 3 that is used for shining patient's face is seted up to the one end that integrating sphere 1 keeps away from first port 2, light source lamp pearl 4 sets up integrating sphere 1 is being close to the one end of second port 3.
In measuring parameters of a light source used by the tongue surface imaging apparatus, color rendering index and light color are important indexes. The color rendering index refers to the color rendering capability of a light source for an object, and is compared with the apparent color of the object under a reference or reference light source with the same color temperature. The closer the color rendering index value is to 100, the better the color rendering. The color of light is described by comparing the light from the light source with a "black body" which refers to a body that neither reflects nor transmits under the influence of radiation, but absorbs all radiation falling on it. Generally, the color of a light source is expressed by different light colors emitted by a black body heated to different temperatures, which is called the color temperature of the light source, color temperature for short. The color temperature standards of different standard illuminants are:
standard illuminant a: representing the light emitted by the full radiator at 2856K.
Standard illuminant B: representing direct sunlight with a correlated color temperature of about 4874K.
Standard illuminant C: representing average daylight with a correlated color temperature of about 6774K, with the color approximating that of a cloudy sky.
Standard illuminant D65: representing daylight with a correlated color temperature of approximately 6504K.
Standard illuminant D: representing other daylight than the standard illuminant D65
The light source lamp bead 4 preferably adopts a white LED lamp bead with the Tc value of 4900K-5000K as an illumination light source, and according to the standard, the structure design adopts the structure of the diffuse reflection of the integrating sphere 1 to realize the benefits and the hazards of the light source. The integrating sphere 1 is a hollow sphere, in order to enable each point on the inner surface of the integrating sphere 1 to be diffused uniformly, a diffuse reflection layer is arranged inside the integrating sphere 1, the diffuse reflection layer is a white diffuse reflection coating, the white diffuse reflection coating is coated on the inner wall of the integrating sphere 1, the white diffuse reflection coating is preferably one of a barium sulfate coating and a magnesium oxide coating, the light source lamp beads 4 form a surface light source through diffuse reflection of the diffuse reflection layer, and the illuminance generated by the light source at any point on the sphere wall is formed by overlapping the illuminance generated by multiple reflected lights. The integrating sphere 1 diffusely reflects light to reduce reflection and thus improves uniformity of light, and can successfully distinguish saliva and tongue coating on the tongue.
In order to improve the measurement accuracy and unify the test method, the CIE formally recommended four standard lighting and observation conditions for color measurement in 1971:
perpendicular/45 ° (0/45): the angle between the optical axis of the illumination beam and the normal to the sample surface should not exceed 10 deg., as observed in directions 45 deg. plus or minus 5 deg. from the normal to the sample surface.
45 °/vertical (45/0): the sample may be illuminated by one or more beams of light, the axis of the illuminating beam being at 45 to plus or minus 5 to the normal to the sample surface, the angle between the viewing direction and the normal to the sample not exceeding 10.
Vertical/diffuse (0/d): the angle between the optical axis of the illumination beam and the normal to the sample should not exceed 10 deg., and the reflected flux is collected by means of an integrating sphere.
Diffuse/perpendicular (d/0): the sample is diffusely illuminated with an integrating sphere and the angle between the normal to the sample and the observation beam axis should not exceed 10.
The problem of specular reflection can be effectively solved by adopting a diffusion/vertical (d/0) method and matching with the structural design of the invention. Through measurement and test verification, the included angle between the connecting line of two adjacent lamp beads and the sphere center is better to be 10-15 degrees, and in actual selection, the included angle between the connecting line of two adjacent lamp beads and the sphere center is 12.8 degrees, which is equivalent to the use of 28 LED white lamp beads.
In order to avoid the interference of other external light sources, the acquisition environment needs to be relatively closed, so the camera bellows 5 is designed, the influence of external light can be effectively prevented when the camera acquires images, and the integrating sphere 1 is arranged inside the camera bellows 5.
During the acquisition of an image, the camera 6 takes a lens deep into the integrating sphere 1 through the first port 2 on the spherical wall of the integrating sphere 1. According to the area of the face of a person, the measured opening of the second port 3 on the integrating sphere 1 is about 20cmx20cm; measuring the size of the first port 2 according to the size design of a camera 6 lens, wherein the square meter is about 7 c; thus, the total open area of the integrating sphere 1 is about 407 square meters of non-diffused area. Under diffuse/vertical illumination conditions, the total area of the port holes must not exceed 15% of the total internal reflection area of integrating sphere 1. The integrating sphere 1 with the diameter of 30cm is selected according to the calculation of 8 percent of the area of the opening, the total area is 2826c square meters (15 percent is about 423.9c square meters), and the design requirement is met. When the integrating sphere is used for diffusion illumination, the illumination is relatively uniform, and the acquisition of image information is facilitated.
The tongue and surface image collecting device provided by the application is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the methods of the present application and their core concepts. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (9)
1. A tongue surface image acquisition device is characterized by comprising: integrating sphere (1), integrating sphere (1) is the hemisphere of cavity setting, the one end inboard of integrating sphere (1) is followed angle such as integrating sphere (1) edge circumference is provided with a plurality of light source lamp pearls (4), and is a plurality of light source lamp pearl (4) all are established the interior coplanar that is located of integrating sphere (1), the inside of integrating sphere (1) is provided with the diffuse reflection layer, light source lamp pearl (4) are passed through diffuse reflection of diffuse reflection layer forms the area light source.
2. The lingual image acquisition device of claim 1, wherein: one end of the integrating sphere (1) is provided with a first port (2) for a lens diaphragm of the camera (6) to extend into.
3. The lingual image acquisition device of claim 2, wherein: and a second port (3) is formed in one end, far away from the first port (2), of the integrating sphere (1).
4. The lingual image acquisition device of claim 1, wherein: the included angle between the connecting lines of the centers of the two adjacent light source lamp beads (4) and the integrating sphere (1) is 10-15 degrees.
5. The lingual image acquisition device of claim 4, wherein: the diffuse reflection layer is a white diffuse reflection coating, and the white diffuse reflection coating is coated on the inner wall of the integrating sphere (1).
6. The lingual surface image acquisition device of claim 5, wherein: the white diffuse reflection coating is one of a barium sulfate coating and a magnesium oxide coating.
7. The lingual image acquisition device of claim 1, wherein: the light source lamp beads (4) are white LED lamp beads.
8. The lingual image acquisition device of claim 2, wherein: the light source lamp bead (4) is arranged at one end, close to the second port (3), of the integrating sphere (1).
9. The lingual image acquisition device of claim 1, wherein: the integrating sphere (1) is arranged inside the dark box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210813338.3A CN115185142A (en) | 2022-07-11 | 2022-07-11 | Tongue surface image collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210813338.3A CN115185142A (en) | 2022-07-11 | 2022-07-11 | Tongue surface image collecting device |
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| CN115185142A true CN115185142A (en) | 2022-10-14 |
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| CN202210813338.3A Withdrawn CN115185142A (en) | 2022-07-11 | 2022-07-11 | Tongue surface image collecting device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411885A (en) * | 2013-07-18 | 2013-11-27 | 江苏大学 | Diffuse reflection illumination apparatus of multispectral imaging system |
| CN206036807U (en) * | 2016-08-29 | 2017-03-22 | 南京文采科技有限责任公司 | Read yard LED source of illumination of ware system |
| CN109247916A (en) * | 2018-10-23 | 2019-01-22 | 上海中医药大学 | A kind of device for mobile terminal shooting standard tongue picture image |
| CN211086121U (en) * | 2019-09-05 | 2020-07-24 | 西安多维机器视觉检测技术有限公司 | Optical imaging module for tool three-dimensional cutting edge chipping detection device |
| CN212111120U (en) * | 2020-05-14 | 2020-12-08 | 成都曙光光纤网络有限责任公司 | Optical integrating sphere and spectral measurement device |
| CN218128510U (en) * | 2022-07-07 | 2022-12-27 | 河南省元化医疗器械有限公司 | Tongue surface image instrument |
| CN117664860A (en) * | 2023-12-27 | 2024-03-08 | 中国科学院合肥物质科学研究院 | Semi-integrating sphere type LED spectrum adjustable light source device |
-
2022
- 2022-07-11 CN CN202210813338.3A patent/CN115185142A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411885A (en) * | 2013-07-18 | 2013-11-27 | 江苏大学 | Diffuse reflection illumination apparatus of multispectral imaging system |
| CN206036807U (en) * | 2016-08-29 | 2017-03-22 | 南京文采科技有限责任公司 | Read yard LED source of illumination of ware system |
| CN109247916A (en) * | 2018-10-23 | 2019-01-22 | 上海中医药大学 | A kind of device for mobile terminal shooting standard tongue picture image |
| CN211086121U (en) * | 2019-09-05 | 2020-07-24 | 西安多维机器视觉检测技术有限公司 | Optical imaging module for tool three-dimensional cutting edge chipping detection device |
| CN212111120U (en) * | 2020-05-14 | 2020-12-08 | 成都曙光光纤网络有限责任公司 | Optical integrating sphere and spectral measurement device |
| CN218128510U (en) * | 2022-07-07 | 2022-12-27 | 河南省元化医疗器械有限公司 | Tongue surface image instrument |
| CN117664860A (en) * | 2023-12-27 | 2024-03-08 | 中国科学院合肥物质科学研究院 | Semi-integrating sphere type LED spectrum adjustable light source device |
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Application publication date: 20221014 |