Method of manufacturing light emitting diode package
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-021/00
H01L-033/54
H01L-033/60
H01L-033/50
H01L-033/56
H01L-023/00
출원번호
US-0797036
(2015-07-10)
등록번호
US-9548430
(2017-01-17)
우선권정보
KR-10-2014-0144569 (2014-10-23)
발명자
/ 주소
Kim, Jung Hoon
출원인 / 주소
SAMSUNG ELECTRONICS CO., LTD.
대리인 / 주소
Muir Patent Law, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
42
초록▼
A method of manufacturing a light emitting diode package comprises steps of: scanning a light emitting diode chip mounted on a package substrate to acquire mounting image data; generating three dimensional (3D) image data by comparing the mounting image data with mounting reference data; and forming
A method of manufacturing a light emitting diode package comprises steps of: scanning a light emitting diode chip mounted on a package substrate to acquire mounting image data; generating three dimensional (3D) image data by comparing the mounting image data with mounting reference data; and forming an optical structure including a plurality of layers on the package substrate on using the 3D image data.
대표청구항▼
1. A method of manufacturing a light emitting diode package, the method comprising steps of: mounting a light emitting diode chip on a package substrate;scanning the light emitting diode chip mounted on the package substrate to acquire mounting image data;generating three dimensional (3D) data by co
1. A method of manufacturing a light emitting diode package, the method comprising steps of: mounting a light emitting diode chip on a package substrate;scanning the light emitting diode chip mounted on the package substrate to acquire mounting image data;generating three dimensional (3D) data by comparing the mounting image data with mounting reference data; andforming an optical structure including a plurality of layers on the package substrate using the 3D data,wherein the optical structure is formed to compensate a difference between the mounting image data and the mounting reference data when the mounting image data does not coincide with the mounting reference data. 2. The method of claim 1, wherein the step of forming the optical structure includes a step of forming the optical structure by sequentially stacking the plurality of layers on the package substrate in a direction perpendicular to the package substrate using the 3D data. 3. The method of claim 1, wherein the step of generating the 3D data includes a step of determining at least one of a shape and a material of the optical structure. 4. The method of claim 3, wherein the optical structure includes at least one of a wavelength conversion layer disposed on an upper surface of the light emitting diode chip and having a substantially constant thickness; a reflector disposed to surround the light emitting diode chip and the wavelength conversion layer; and an encapsulation body sealing the wavelength conversion layer. 5. The method of claim 4, wherein the step of determining at least one of the shape and the material of the optical structure includes a step of determining a thickness of the wavelength conversion layer and a surface structure of the encapsulation body. 6. The method of claim 5, wherein a surface of the encapsulation body is provided with a stepped, uneven structure. 7. The method of claim 2, wherein the plurality of layers are formed from a plurality of filaments. 8. The method of claim 7, wherein the plurality of layers are disposed in parallel. 9. The method of claim 7, wherein in each of the plurality of layers comprises a single filament disposed in a thickness direction. 10. The method of claim 2, wherein the plurality of layers have substantially identical thicknesses. 11. The method of claim 2, wherein a layer disposed on a plane is formed continuously. 12. The method of claim 1, further comprising the step of separating the package substrate into portions corresponding to the individual light emitting diode packages before the step of acquiring the mounting image data. 13. The method of claim 7, wherein the filaments comprise at least one of a polylactic acid (PLA) resin, an acrylonitrile butadiene styrene (ABS) resin, a nylon resin, a polyimide resin, a polyvinyl alcohol, a polycarbonate resin, a polyethylene resin, a polyvinyl chloride resin, a polypropylene resin, a silicone resin, and an epoxy resin. 14. The method of claim 13, wherein the filaments further comprise phosphor particles. 15. The method of claim 14, wherein the phosphor particles comprise at least one of a garnet-based phosphor, a silicate-based phosphor, a nitride-based phosphor, a sulfide-based phosphor, and an oxide-based phosphor. 16. The method of claim 1, wherein the step of forming the optical structure includes: sampling the 3D data at a predetermined interval to convert the 3D data into a plurality of pieces of two-dimensional (2D) image data, and forming the plurality of layers to have sectional shapes corresponding to the respective pieces of 2D image data. 17. A method of manufacturing a light emitting diode package, the method comprising steps of: generating first 3D data by scanning a light emitting diode chip mounted on a package substrate;comparing the first 3D data with reference 3D data;calculating a correction value using a difference between the first 3D data and the reference 3D data;generating second 3D data of an optical structure using the correction value; andforming the optical structure by sequentially stacking a plurality of layers on the package substrate according to the second 3D data. 18. The method of claim 17, wherein each of the layers is formed by 3D printing. 19. The method of claim 18, wherein the layers are formed continuously. 20. A method of manufacturing a light emitting diode package, the method comprising steps of: mounting a light emitting diode chip on a package substrate;scanning the light emitting diode chip mounted on the package substrate to acquire mounting image data;generating three dimensional (3D) data by comparing the mounting image data with mounting reference data; andforming an optical structure including a plurality of layers on the package substrate using the 3D data,wherein the optical structure is formed with a predetermined structure when the mounting image data coincides with the mounting reference data.
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