WO2016144090A1 - 엘이디 램프용 연성회로기판 조립체 - Google Patents
엘이디 램프용 연성회로기판 조립체 Download PDFInfo
- Publication number
- WO2016144090A1 WO2016144090A1 PCT/KR2016/002339 KR2016002339W WO2016144090A1 WO 2016144090 A1 WO2016144090 A1 WO 2016144090A1 KR 2016002339 W KR2016002339 W KR 2016002339W WO 2016144090 A1 WO2016144090 A1 WO 2016144090A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- signal line
- led lamp
- circuit board
- heat dissipation
- Prior art date
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Classifications
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- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0209—External configuration of printed circuit board adapted for heat dissipation, e.g. lay-out of conductors, coatings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/053—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an inorganic insulating layer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/06—Thermal details
- H05K2201/066—Heatsink mounted on the surface of the PCB
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09072—Hole or recess under component or special relationship between hole and component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10113—Lamp
Definitions
- the present invention relates to a flexible printed circuit board assembly, and more particularly, to a flexible printed circuit board assembly for an LED lamp that is easy to maintain heat dissipation characteristics and shape.
- the existing aluminum substrate has a structure in which the adhesive serves as an insulator by laminating aluminum and copper plates with an adhesive.
- the adhesive used is an epoxy-based adhesive
- the adhesive of the ceramic-based adhesive has good heat resistance but a high price.
- the aluminum substrate is not competitive because it uses a copper plate.
- the lamp unit such as the headlights, stop lights, direction indicators of the vehicle is manufactured to have a curvature in consideration of the design of the vehicle
- the lighting lamp mounted on the curvature lamp unit is a substrate so that only the front or rear light irradiation
- the supporting body is formed in a stepped shape, and a lighting member such as an LED lamp is mounted on the stepped mounting surface using a flexible substrate.
- Korean Patent Registration No. 1235701 discloses flexible printed circuit board for LED backlight and its manufacturing method.
- Korean Patent Publication No. 2011-0086541 describes the production of advertising materials using light source module consisting of flexible film type printed circuit board and LED lamp. The method is posted.
- Korean Patent Registration No. 10275080 discloses an LED mounting circuit board and a method of manufacturing the same.
- Republic of Korea Patent Publication No. 10-2009-0054898 is an example of the above-described lamp unit by joining a lamp structure having an LED lamp installed on a flexible printed circuit board (F-PCB) on a base plate formed stepped A method of installation is disclosed.
- F-PCB flexible printed circuit board
- the conventional flexible printed circuit boards are difficult to maintain their shape as the circuit pattern layer is formed on the flexible resin layer, and when the LED module is mounted on the flexible printed circuit board, the heat dissipation characteristics cannot be improved.
- An object of the present invention is to provide a flexible circuit board assembly for an LED lamp that can improve the heat dissipation characteristics of the heat emitted from the mounted LED, it is easy to maintain the shape in a predetermined pattern.
- Another technical problem to be solved by the present invention is to provide a flexible circuit board assembly for an LED lamp that can increase the degree of freedom of pattern design to improve the production efficiency.
- the LED lamp flexible circuit board assembly of the present invention for solving the above technical problem is provided on the resin layer of the strip, the conductive signal line layer formed in a predetermined pattern on the upper surface of the resin layer, and is provided on the lower surface of the resin layer It is relatively thicker than the conductive signal line layer, and provided with a heat dissipation layer for dissipating heat generated from the LED light emitting diode mounted on the signal line layer, the signal line layer and the heat dissipation layer is copper, aluminum or copper alloy, aluminum It is characterized by consisting of one material of the alloy.
- the thickness of the heat dissipation layer is 1.5 to 4 times the thickness of the signal conductive layer, the heat dissipation layer is formed continuously or discontinuously if the resin layer formed in a strip form.
- the heat dissipation layer is divided into a predetermined pattern, and the divided heat dissipation layer and the signal line layer on which the light emitting diodes are mounted are connected by a heat conductive layer filled in at least one through hole formed in the resin layer.
- the flexible printed circuit board assembly for an LED lamp of the present invention can improve heat dissipation characteristics of heat generated from the LED mounted on the flexible printed circuit board, and can maintain the flexible printed circuit board in a predetermined shape so that the installation is easy. And the maintenance of the shape of the flexible circuit board can increase the applicability of the product, but can also increase the design freedom of the product.
- FIG. 1 is a perspective view of a flexible circuit board assembly for an LED lamp according to the present invention
- FIG. 2 is a plan view of the flexible printed circuit board assembly for the LED lamp shown in FIG.
- FIG. 3 is a partially cutaway perspective view of a flexible circuit board assembly for an LED lamp according to the present invention.
- Figure 4 is a cross-sectional view showing another embodiment of a flexible circuit board assembly for an LED lamp according to the present invention.
- the present invention relates to a flexible circuit board assembly for an LED lamp, an embodiment is shown in Figures 1 to 3.
- the flexible printed circuit board assembly 10 for an LED lamp according to the present invention can be used in combination lamps, indoor lamps, various electronic products of automobiles, strip resin layer 20 and the resin layer ( The conductive signal line layer 30 formed in a predetermined pattern is provided on the upper portion 20).
- the resin layer 20 may be formed of polyamide resin, but is not limited thereto, and may be made of a material having insulation and flexibility.
- the conductive signal line layer 30 is formed on the upper surface of the insulator to supply power to the LED module mounted thereon, and is formed as a thin film layer that can conduct electricity.
- the conductive signal line layer 30 may be made of copper, copper alloy, aluminum, aluminum alloy.
- the conductive signal line layer 30 may be formed with a terminal for the LED lamp and a pad layer for surface mounting.
- a heat dissipation layer 40 that is relatively thicker than the thickness of the conductive signal line layer 30 is formed below the resin layer 20.
- the thickness of the heat dissipation layer 40 is 1.5 to 4 times the thickness of the signal line layer 20, the heat dissipation layer 40 is preferably to be installed on the entire area of the bottom surface of the resin layer formed in a strip shape.
- the thickness of the heat dissipation layer is 1.5 or less, there is a problem in that the heat dissipation characteristics are not good, and the shape cannot be maintained when bending, and when the thickness of the heat dissipation layer is four times or more than the conductive signal line layer 20, work according to bending The property is not good and it is difficult to form by plating work.
- the heat dissipation layer 40 may be made of one of copper, aluminum or copper alloy, and aluminum alloy, and the unevenness may be formed on the lower surface thereof to increase the heat dissipation surface, and the unevenness may be perpendicular to the longitudinal direction of the heat dissipation layer. It is preferable to form in the direction.
- the heat dissipation layer 40 is divided into the same number of terminals as the number of terminals of the LED lamp 100 mounted on the conductive signal line layer 30, and the through hole formed in the conductive signal line layer 30 and the resin layer 20. Connected by a thermally conductive layer 22 filled in 21.
- the heat dissipation layer 40 may not have a divided structure.
- holes 23 are formed in the resin layer 20 and the heat dissipation layer 40 on the side corresponding to the portion where the LED lamp 100 is mounted, and the heat dissipation layer 40 and the LEDs are formed.
- the heat dissipation member 200 may be installed to connect the bottom surface of the lamp 100 so that heat generated from the LED lamp 100 may be transferred to the heat dissipation layer 40.
- the bottom surface of the heat dissipation layer 40 is preferably formed so that the surface area can be widened.
- the unevenness formed on the lower surface of the heat dissipation layer 40 may be formed by etching or mechanical processing.
- the conductive signal line layer 30 on the upper surface of the resin layer 20 is formed, and a relatively thick heat dissipating layer 40 is formed on the lower surface thereof, the conductive signal line Emission of heat generated from the LED lamp 100 mounted on the layer 30, that is, the light emitting diodes is easy.
- the conductive signal line layer 30 and the LED lamp 100 are surface-mounted and connected to the heat dissipation layer 40 by a conductive layer filled in a through hole formed at a corresponding side thereof, the heat generated from the LED lamp radiates heat. It can activate the transfer to the layer, and further improve the heat dissipation characteristics of the LED lamp.
- the LED lamp 200 is formed on the lower surface of the heat dissipation layer is formed by the unevenness to increase the surface area or connected to the heat dissipation layer through the hole 22 formed in the resin layer 20 is the LED lamp 200 is deteriorated by heat Can be prevented.
- the flexible circuit board assembly can be maintained in an arbitrary, ie, bent shape. Since the resin layer 20 and the conductive signal line layer 30 have inherent elasticity and ductility, it is difficult to maintain the shape during bending. However, since the heat dissipation layer 40 having a thickness of 1.5 to 4 times the thickness of the conductive signal layer 30 is formed on the bottom surface of the resin layer 20, the state during plastic deformation in a predetermined shape can be maintained. Therefore, a separate case or bracket for maintaining the shape is not required as in the prior art, and furthermore, the structure of the LED lamp assembly can be simplified, and the productivity can be improved.
- Flexible circuit board assembly for LED lamp according to the present invention is widely applicable to automotive lamps, lighting lamps, electronic devices and the like.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Led Device Packages (AREA)
- Structure Of Printed Boards (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (3)
- 스트립상의 수지층과, 상기 수지층의 상면에 소정의 패턴으로 형성되는 도전성 시그널 라인층과, 상기 수지층의 하면에 설치되며, 상기 도전성 시그널 라인층보다 상대적으로 두꺼우며 상기 시그널 라인층에 실장되는 엘이디 발광다이오드로부터 발생된 열을 방출하기 위한 방열층을 구비하며, 상기 시그널라인층과 방열층은 동, 알루미늄 또는 동합금, 알루미늄합금 중 하나의 재질로 이루어진 것을 특징으로 하는 엘이디 램프용 연성회로기판 조립체.
- 제 1항에 있어서,상기 방열층의 두께는 도전성 시그널라인층의 두께보다 1.5~ 4배 두껍게 형성된 것을 특징으로 하는 엘이디 램프용 연성회로기판 조립체.
- 제 1항에 있어서,상기 방열층은 수지층의 전면에 형성되며, 표면에 길이 방향에 대해 직각를 이루는 방향으로 요철이 형성된 것을 특징으로 하는 엘이디 램프용 연성회로기판 조립체.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/556,627 US10477670B2 (en) | 2015-03-09 | 2016-03-09 | Flexible circuit board assembly for LED lamp |
JP2017567029A JP2018508115A (ja) | 2015-03-09 | 2016-03-09 | Ledランプ用フレキシブル回路基板組立体 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0032199 | 2015-03-09 | ||
KR1020150032199A KR20160108867A (ko) | 2015-03-09 | 2015-03-09 | 엘이디 램프용 연성회로기판 조립체 |
Publications (1)
Publication Number | Publication Date |
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WO2016144090A1 true WO2016144090A1 (ko) | 2016-09-15 |
Family
ID=56879524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2016/002339 WO2016144090A1 (ko) | 2015-03-09 | 2016-03-09 | 엘이디 램프용 연성회로기판 조립체 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10477670B2 (ko) |
JP (1) | JP2018508115A (ko) |
KR (1) | KR20160108867A (ko) |
WO (1) | WO2016144090A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108124378A (zh) * | 2016-11-28 | 2018-06-05 | 常州星宇车灯股份有限公司 | 一种可弯折的铝基板 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2687316C2 (ru) * | 2016-03-16 | 2019-05-13 | Открытое Акционерное Общество "Приборный завод "Тензор" | Способ монтажа светодиодных светильников |
TWI702887B (zh) * | 2017-12-05 | 2020-08-21 | 同泰電子科技股份有限公司 | 軟性線路板結構 |
USD954665S1 (en) * | 2019-05-03 | 2022-06-14 | Lumileds Holding B.V. | Flexible circuit board |
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KR20100112214A (ko) * | 2009-04-08 | 2010-10-19 | 심현섭 | 방열기능을 갖는 엘이디 조명장치용 인쇄회로기판 |
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KR20110086541A (ko) | 2011-07-13 | 2011-07-28 | 손명환 | 연질의 필름형 인쇄회로기판과 엘이디 램프로 이루어진 광원모듈을 이용한 광고물의 제조방법 |
JP2013211523A (ja) * | 2012-03-02 | 2013-10-10 | Canon Components Inc | フレキシブル回路基板 |
TWI586230B (zh) * | 2012-07-18 | 2017-06-01 | 鐘化股份有限公司 | 補強板一體型軟性印刷基板 |
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2015
- 2015-03-09 KR KR1020150032199A patent/KR20160108867A/ko not_active Application Discontinuation
-
2016
- 2016-03-09 US US15/556,627 patent/US10477670B2/en active Active
- 2016-03-09 WO PCT/KR2016/002339 patent/WO2016144090A1/ko active Application Filing
- 2016-03-09 JP JP2017567029A patent/JP2018508115A/ja active Pending
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KR20100110163A (ko) * | 2009-04-02 | 2010-10-12 | 이춘희 | 고휘도 엘이디용 쾌속 방열장치 |
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KR101134671B1 (ko) * | 2010-07-09 | 2012-04-09 | 엘이디라이텍(주) | Led 램프 모듈의 방열구조체 |
JP2013030599A (ja) * | 2011-07-28 | 2013-02-07 | Sumitomo Bakelite Co Ltd | 発光デバイスおよび照明器具 |
JP2013045788A (ja) * | 2011-08-22 | 2013-03-04 | Toyo Aluminium Kk | 発光素子用実装基板 |
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CN108124378A (zh) * | 2016-11-28 | 2018-06-05 | 常州星宇车灯股份有限公司 | 一种可弯折的铝基板 |
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JP2018508115A (ja) | 2018-03-22 |
US10477670B2 (en) | 2019-11-12 |
KR20160108867A (ko) | 2016-09-21 |
US20180049308A1 (en) | 2018-02-15 |
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