CN113555489A - Subminiature LED based on medical endoscope illumination supplementary lighting and preparation method thereof - Google Patents
Subminiature LED based on medical endoscope illumination supplementary lighting and preparation method thereof Download PDFInfo
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- CN113555489A CN113555489A CN202110852694.1A CN202110852694A CN113555489A CN 113555489 A CN113555489 A CN 113555489A CN 202110852694 A CN202110852694 A CN 202110852694A CN 113555489 A CN113555489 A CN 113555489A
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- 238000005286 illumination Methods 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 229910002601 GaN Inorganic materials 0.000 claims description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 3
- 238000004020 luminiscence type Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 claims description 3
- 239000010980 sapphire Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000013589 supplement Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/505—Wavelength conversion elements characterised by the shape, e.g. plate or foil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a subminiature LED based on medical endoscope illumination light supplement and a preparation method thereof, and the subminiature LED comprises a chip, fluorescent powder and a substrate, wherein the fluorescent powder is arranged on the chip, and the chip is arranged on the substrate.
Description
Technical Field
The invention belongs to the technical field of medical treatment, and particularly relates to an ultra-small LED based on medical endoscope illumination supplementary lighting and a preparation method thereof.
Background
The medical endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software into a whole. The endoscope is provided with an image sensor, an optical lens, a light source illumination device, a mechanical device and the like, can enter the stomach through a mouth or enter the body through other natural ducts, and is originally made of hard tubes, and the invention is invented more than 100 years ago. Although they have been gradually improved, they have not been widely used. Later, endoscopes were made in the 50's of the 20 th century with flexible tubes and were therefore able to bend easily at corners within the human body. Later on, endoscopes were fitted with cylindrical lenses to make the field of vision clearer, and today endoscopes usually have two fibreglass tubes through one of which the light enters the body, the doctor looking through the other tube or through a camera, and some endoscopes, and even micro integrated circuit sensors, feed back the information observed to the computer. The LED of medical endoscope illumination light filling on the existing market can not really restore the shooting effect when in use, and the phenomenon of endoscope camera shooting distortion appears.
Disclosure of Invention
In order to solve the problems, the invention provides a subminiature LED based on medical endoscope illumination supplementary lighting and a preparation method thereof.
In order to realize the functions, the technical scheme adopted by the invention is as follows: a subminiature LED based on medical endoscope illumination light supplement comprises a chip, fluorescent powder and a substrate, wherein the fluorescent powder is arranged on the chip, and the chip is arranged on the substrate.
Furthermore, the chip is a chip with 8 × 18MIL sapphire and gallium nitride substrate, the wavelength is 450-45NM, the brightness of the chip is 95-100MW, and the voltage is 3.0-3.2V.
Furthermore, the substrate is made of BT material and has the size of 1.0 x 0.55 x 0.45 mm.
Further, the fluorescent powder is selected from silicon-based nitride, and the lambda Density: 3.8g/cm3 λ; luminescence color luminescense color: red; lambda Excitation wavelength: 450-475 nm lambda; main wavelength Domain wavelength: 607.6 nm; lambda Peak wavelength: 651nm lambda; color coordinates CIE (1931): x is 0.656 +/-0.005, and y is 0.342 +/-0.005; lambda half-Peak half-width bandwidth: 86.4nm λ; color purity: 100.0 percent; lambda median Particle size (D50): 13.0 +/-0.5 mu m;
doping with gallate, density: 4.7g/cm 3; particle size: d50 ═ 14.0 ± 2.0 μm; peak wavelength is long: 521.0 +/-1.0 nm; background for the color: two kinds of phosphors, x 0.333 + -0.003 and y 0.576 + -0.003, were mixed to prepare a mixed phosphor.
The invention also comprises a preparation method of the subminiature LED based on medical endoscope illumination supplementary lighting;
1) the mixed preparation method of the chip and the fluorescent powder is integrated on a substrate by epoxy resin in a mode of pressing;
2) then baking, cutting and sorting.
The invention adopts the structure to obtain the following beneficial effects: the subminiature LED based on the medical endoscope illumination light supplement and the preparation method thereof have the advantages that the operation is simple, the structure is compact, the design is reasonable, the LED light source with the optimal color ratio can solve the real reduction shooting effect of the endoscope in use, the phenomenon of distortion of the camera shooting of the endoscope is compensated, a doctor can better judge the real situation of a picture shot by the camera of the endoscope, and the basic light supplement function can be completed.
Drawings
FIG. 1 is a top view of a subminiature LED for medical endoscope illumination and light supplement according to the present invention;
FIG. 2 is a right side view of a subminiature LED with supplemental lighting based on a medical endoscope according to the present invention;
fig. 3 is a bottom view of a subminiature LED for supplemental lighting based on a medical endoscope according to the present invention.
The LED chip comprises a substrate, a chip 1, a chip 2, fluorescent powder 3 and a substrate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, the subminiature LED for supplementing light based on medical endoscope illumination and the manufacturing method thereof according to the present invention includes a chip 1, a phosphor 2 and a substrate 3, wherein the phosphor 2 is disposed on the chip 1, and the chip 1 is disposed on the substrate 3.
The chip 1 is a chip 1 with a sapphire and gallium nitride substrate.
The substrate 3 is made of BT material.
The fluorescent powder is selected from silicon-based nitride, and the lambda Density: 3.8g/cm3 λ; luminescence color luminescense color: red; lambda Excitation wavelength: 450-475 nm lambda; main wavelength Domain wavelength: 607.6 nm; lambda Peak wavelength: 651nm lambda; color coordinates CIE (1931): x is 0.656 +/-0.005, and y is 0.342 +/-0.005; lambda half-Peak half-width bandwidth: 86.4nm λ; color purity: 100.0 percent; lambda median Particle size (D50): 13.0 ± 0.5 μm, with the gallium acid-salt doped layer , density: 4.7g/cm 3; particle size: d50 ═ 14.0 ± 2.0 μm; peak long: 521.0 +/-1.0 nm; background for the color: two kinds of phosphors, x 0.333 + -0.003 and y 0.576 + -0.003, were mixed to prepare a mixed phosphor.
The invention also comprises a preparation method of the subminiature LED based on medical endoscope illumination supplementary lighting;
1) the mixed preparation method of the chip 1 and the fluorescent powder 2 is integrated on a substrate 3 by epoxy resin in a mode of pressing;
2) then baking, cutting and sorting.
When in specific use, RA is 90, color coordinate X is 0.3413, Y; 0.3724 at 4500-,
energy:
400-500nm/8.6710umoles/m2/sec,500-600nm/12.3911umoles/m2/sec and 600-700 nm/9.8321/umoles/m2/sec, the energy ratio of B/G is close to or approximately equal to 0.7, and the energy ratio of R/G is close to or approximately equal to 0.8, so that the prepared special energy ratio and the LED with the color ratio can better restore the truth of a shot image and reduce distortion when the endoscope is used for lighting and supplementing light, and a doctor can better make a diagnosis result.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a subminiature LED based on medical treatment endoscope illumination light filling which characterized in that: the fluorescent powder is arranged on the chip, and the chip is arranged on the substrate.
2. The subminiature LED for supplementing light based on medical endoscope illumination according to claim 1, wherein: the chip is a sapphire and gallium nitride substrate chip.
3. The subminiature LED for supplementing light based on medical endoscope illumination according to claim 2, wherein: the substrate is made of BT material.
4. The subminiature LED for supplementing light based on medical endoscope illumination according to claim 1, wherein: the fluorescent powder is selected from silicon-based nitride, and the lambda Density: 3.8g/cm3 λ; luminescence color luminescense color: red; lambda Excitation wavelength: 450-475 nm lambda; main wavelength Domain wavelength: 607.6 nm; lambda Peak wavelength: 651nm lambda; color coordinates CIE (1931): x is 0.656 +/-0.005, and y is 0.342 +/-0.005; lambda half-Peak half-width bandwidth: 86.4nm λ; color purity: 100.0 percent; lambda median Particle size (D50): 13.0 +/-0.5 mu m; doping with gallate, density: 4.7g/cm 3; particle size: d50 ═ 14.0 ± 2.0 μm; peak long: 521.0 +/-1.0 nm; background for the color: two kinds of phosphors, x 0.333 + -0.003 and y 0.576 + -0.003, were mixed to prepare a mixed phosphor.
5. A method for preparing a subminiature LED based on medical endoscope illumination supplementary lighting;
1) the mixed preparation method of the chip and the fluorescent powder is integrated on a substrate by epoxy resin in a mode of pressing;
2) then baking, cutting and sorting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110852694.1A CN113555489A (en) | 2021-07-27 | 2021-07-27 | Subminiature LED based on medical endoscope illumination supplementary lighting and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110852694.1A CN113555489A (en) | 2021-07-27 | 2021-07-27 | Subminiature LED based on medical endoscope illumination supplementary lighting and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113555489A true CN113555489A (en) | 2021-10-26 |
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| CN202110852694.1A Pending CN113555489A (en) | 2021-07-27 | 2021-07-27 | Subminiature LED based on medical endoscope illumination supplementary lighting and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100643318B1 (en) * | 2005-05-26 | 2006-11-10 | 럭스피아 주식회사 | Very small light emitting diode package and manufacturing methods of it |
| CN109742197A (en) * | 2018-12-22 | 2019-05-10 | 复旦大学 | A kind of endoscope micro-LED light source and preparation method thereof |
| CN112754405A (en) * | 2021-01-19 | 2021-05-07 | 深圳市迈科光电有限公司 | LED based on medical endoscope illumination light filling |
-
2021
- 2021-07-27 CN CN202110852694.1A patent/CN113555489A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100643318B1 (en) * | 2005-05-26 | 2006-11-10 | 럭스피아 주식회사 | Very small light emitting diode package and manufacturing methods of it |
| CN109742197A (en) * | 2018-12-22 | 2019-05-10 | 复旦大学 | A kind of endoscope micro-LED light source and preparation method thereof |
| CN112754405A (en) * | 2021-01-19 | 2021-05-07 | 深圳市迈科光电有限公司 | LED based on medical endoscope illumination light filling |
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