WO2011087319A2 - 발광 장치 - Google Patents
발광 장치 Download PDFInfo
- Publication number
- WO2011087319A2 WO2011087319A2 PCT/KR2011/000296 KR2011000296W WO2011087319A2 WO 2011087319 A2 WO2011087319 A2 WO 2011087319A2 KR 2011000296 W KR2011000296 W KR 2011000296W WO 2011087319 A2 WO2011087319 A2 WO 2011087319A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mounting
- substrate
- emitting device
- light emitting
- light
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000010409 thin film Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 11
- 239000012777 electrically insulating material Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 230000035882 stress Effects 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 239000011889 copper foil Substances 0.000 description 10
- 239000006185 dispersion Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 239000011190 CEM-3 Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H05K1/0271—Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion
-
- 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]
Definitions
- the present invention relates to a light emitting device.
- PCBs which are used for mounting light emitting devices, are used to easily connect various electronic devices according to a certain frame, and all electronic products including home appliances and advanced communication devices including digital TVs. As a widely used component, it is also classified into a general purpose PCB, a module PCB, a package PCB, and the like depending on the use.
- a printed circuit board is formed by attaching a thin plate of copper or the like to one surface of FR-4 and then etching it according to the wiring pattern of the circuit to configure the necessary circuit and mounting the components, according to the number of surfaces on which the wiring pattern is formed. It can be classified into double-sided board, multilayer board, and the like.
- the double-sided substrate is a lamination of copper foil on both sides of the FR-4, and interconnecting both sides through a via hole, which is not only double-sided but also expanded to a plurality of layers is a multi-layered substrate.
- double-sided or multi-layered substrates tend to have a high price of raw materials, and the manufacturing process also has a higher number of processes than single-sided substrates on which copper foil is laminated on one surface, resulting in a price increase.
- the double-sided board or the multilayer board may be degraded due to defects caused by via holes.
- the copper foil occupies the entire surface of the substrate during the design of the substrate.
- a conventional single-sided PCB has a large area occupied by copper foil, the difference in thermal expansion between the surface on which copper foil is formed entirely and the surface on which copper foil is not formed is large in the SMT reflow process or the like, which causes ripple.
- warpage of the substrate such as warpage or twist occurs after the low process.
- defects may occur during surface mounting of various components such as LED chips.
- An object of the present invention is to provide a light emitting device that can minimize the warpage of the substrate that can occur during the reflow process by reducing the area occupied by the conductive thin film in the circuit board on which the light source is mounted.
- a light emitting device including a wiring pattern part and at least one light source disposed in at least one mounting part of the plurality of mounting parts is provided.
- the plurality of mounting units may be arranged in rows and columns.
- the rows arranged adjacent to each other in the plurality of mounting units may be arranged to be staggered with respect to the column direction.
- connection line may have a bent shape.
- the mounting portion may have a rectangular appearance when viewed from the top.
- the area occupied by the plurality of mounting parts on the upper surface of the substrate body may be 50 to 80% of the area of the upper surface of the substrate.
- the substrate body may be made of a flexible material.
- the substrate body may be made of an electrically insulating material.
- At least one of the plurality of mounting portions may include first and second pad portions separated from each other.
- the first pad portion may have a larger area occupying the upper surface of the substrate than the second pad portion.
- the light source may include first and second terminal portions contacting the first and second pad portions, and a light emitting element disposed on the first terminal portion.
- the first pad part may have a shape recessed from one side to the center, and the second pad part may be disposed in the recessed area of the first pad part.
- the mounting portion and the connection line may be made of the same material.
- connection line may include a portion connecting in parallel with a portion electrically connecting the plurality of mounting units in series.
- At least a portion of the upper surface of the substrate body and the upper surface of the mounting portion is formed to cover, and may further include a protective portion made of an electrically insulating material.
- the protection part may be formed to cover the upper surface of the connection line.
- the protection unit may be made of a material that reflects the light emitted from the light source.
- the protection unit may be made of PSR (Photo Solder Resist).
- At least one of the plurality of mounting parts may include a test point exposed to the outside because the protection part is not covered other than a region in which the light source is mounted.
- it may further include one or more stress distribution holes formed to penetrate the substrate body in the thickness direction.
- the stress distribution hole may be formed in the corner region of the substrate main body.
- the stress distribution hole may be formed in the central region of the substrate body.
- the stress distribution hole may be formed in the corner region of the mounting portion.
- a light emitting device that can minimize the warpage of the substrate that can occur during the process, such as reflow.
- FIG. 1 is a plan view schematically illustrating a light emitting device according to an embodiment of the present invention.
- FIG. 2 is a plan view schematically illustrating a portion of a substrate excluding a light source in the light emitting device of FIG. 1.
- FIG. 3 is a schematic cross-sectional view taken along the AA ′ portion of the light emitting device of FIG. 1.
- FIG. 4 is a schematic cross-sectional view taken along the line BB ′ of the substrate of FIG. 1.
- FIG. 5 schematically illustrates the shape of a mounting portion that may be employed in another embodiment of the present invention.
- FIG. 6 is a plan view schematically illustrating a light emitting device according to still another embodiment of the present invention.
- FIG. 7 and 8 are plan views schematically illustrating light emitting devices according to still another embodiment of the present invention.
- FIG. 1 is a plan view schematically illustrating a light emitting device according to an embodiment of the present invention.
- FIG. 2 is a plan view schematically illustrating a portion of a substrate excluding a light source in the light emitting device of FIG. 1.
- 3 is a schematic cross-sectional view taken along the AA ′ portion of the light emitting device of FIG. 1.
- 4 is a schematic cross-sectional view taken along the line BB ′ of the substrate of FIG. 1.
- the light emitting device 100 may include a substrate body 101, a plurality of mounting units 102, a light source 103, and a protection unit 104.
- the substrate body 101 corresponds to a base region constituting a circuit board on which the light source 103 is to be mounted, and includes a flexible material, for example, FR-4, CEM-3, or the like. It may be made of a material.
- the present invention is not limited thereto, and may be made of glass, epoxy material, or ceramic material.
- it is preferably made of an electrically insulating material in contact with the pad portions 102a and 102b corresponding to the conductive pattern. For example, a structure in which an insulating film is formed on the upper surface of the metal base may be possible.
- the mounting unit 102 may be provided as a mounting area of the light source 103, and may include first and second pad units 102a and 102b to be electrically connected to the light source 103.
- the first and second pad portions 102a and 102b provided in the mounting portion 102 may be formed in the form of a conductive thin film, and may be formed of, for example, copper foil.
- a plurality of mounting units 102 are provided and spaced apart from each other, and as shown in FIG. 1, the plurality of mounting units 102 may be electrically connected to each other by a connection line 105.
- connection line 105 is formed to have a narrower width than the mounting portion 102 and may be made of the same material as the mounting portion 102, for example, copper foil.
- the connection line 105 may have a bent shape.
- the plurality of light sources 103 have a structure connected in series with each other by the connection line 105, but, depending on the embodiment, may be connected in parallel or may have both a series and a parallel connection structure.
- the shape of the connection line 105 may be variously modified.
- the mounting unit 102 and the connection line 105 form a wiring pattern unit.
- the wiring pattern unit may further include a portion for applying an external electric signal.
- the plurality of mounting parts 102 may be provided to have a rectangular shape when viewed from the top, and are formed to cover only a part of the upper surface of the substrate main body 101.
- the plurality of mounting units 102 may be arranged to form a row and a row.
- the rows disposed adjacent to each other in the plurality of mounting units 102 may be staggered based on the column direction, that is, the column direction. It can be placed zigzag down.
- the area occupied by the plurality of mounting portions 102 on the upper surface of the substrate main body 101 is relatively low, and is caused by the difference in thermal expansion coefficient between the mounting portion 102 and the substrate main body 101. Thermal stress can be reduced. When the thermal stress is reduced in this way, a warpage phenomenon such as warpage or twist, which may occur in the substrate body 101, may be improved.
- the mounting portion 102 may be formed by removing some regions by etching.
- the area of the mounting portion 102 preferably has a ratio of about 50 to 80% with respect to the area of the upper surface of the substrate main body 101. something to do. If the area of the mounting portion 102 is larger than 80%, it is difficult to implement sufficient bending relaxation function, if smaller than 50% there is a risk that the electrical performance or heat dissipation performance is reduced.
- the light source 103 may be used as long as it can emit light when an electric signal is applied.
- the light source 103 may be provided in a package including a light emitting diode or only a light emitting diode (eg, a COB type light source).
- a light emitting diode e.g. a COB type light source
- one light source 103 may be mounted on one mounting unit 102 as in the present embodiment, but in another embodiment, two or more light sources 103 may be mounted on one mounting unit 102.
- the plurality of light sources 103 may have an electrical connection structure in series, in parallel or in parallel with the design of the connection line 105.
- the light source 103 may be provided in the form of a package including the light emitting device 122, and FIG. 4 illustrates an example of the form of a package.
- the light source 103 includes first and second terminal portions 121a and 121b, and the light emitting device 122 is disposed on the second terminal portion 121b.
- the light emitting device 122 is electrically connected to the first and second terminal parts 121a and 121b, and a conductive wire W may be required for this purpose.
- the package body 123 may encapsulate and protect the light emitting device 122 and the conductive wire W, and may fix the first and second terminal portions 121a and 121b.
- the package body 123 may be made of a light-transmissive material so that an upper portion of the light emitting device 122 may have a lens shape.
- various packages known in the art for example, a package in which the package body is provided in the shape of a reflective cup, may be employed.
- the light source 103 is disposed such that the first and second terminal portions 121a and 121b are in contact with the first and second pad portions 102a and 102b, respectively, in consideration of the heat radiation side. Therefore, the sizes of the first and second pad portions 102a and 102b may be differently designed. That is, the size of the first pad portion 102a in contact with the first terminal portion 121a on which the light emitting element 122 corresponding to the heat source is disposed is relatively large, that is, the first pad portion 102a is the second pad portion. It is preferable from the viewpoint of heat dissipation reliability to make the area occupying the upper surface of the substrate main body 100 larger than 102b. As shown in FIG.
- the first pad portion 102a has a shape recessed from one side to the center
- the second pad portion 102b has the shape of the first pad portion 102a. It can be placed in a recessed area.
- the shapes of the first and second pad portions 102a and 102b may be variously modified according to the structure of the light source 103 in the area range in which the warpage of the substrate may be reduced.
- the protection unit 104 is formed to cover the upper surface of the substrate body 101, a part of the mounting unit 104, and the connection line 105, and is made of an electrically insulating material to emit light.
- the device 100 may perform a passivation function.
- the protection unit 104 is preferably made of a material having a high reflectivity with respect to the light emitted from the light source 103 in terms of luminous efficiency, an example of a material suitable for such protection and reflection function, PSR (Photo Solder Resist) ).
- PSR Photo Solder Resist
- the protection unit 104 is formed except for the region in which the light source 103 is to be mounted, as shown in FIG. 5 in addition to the light source 103 mounting region, the first and second pads in the mounting unit 102.
- test points T1 and T2 may be used to easily determine whether the individual light sources 103 are defective even when no electric signal is applied to the entire light source 103 provided in the light emitting device 100.
- the light emitting device 200 is the substrate main body (not shown in FIG. 6), the plurality of mounting portions 202, the light source 203, and the protecting portion ( 204 and the connection line 205, and the mounting unit 202 may include first and second pad units 202a and 202b.
- the plurality of mounting portions 202 are arranged in rows and columns but are arranged so as not to shift in the column direction, and the connection lines 205 are configured in different forms.
- the light source 203 has a series-parallel connection structure (the series connection structure of the four light sources are connected in parallel to each other) by the connection line 205, and has the same connection structure and the connection line ( The shape of 205 may be modified as appropriate.
- the light emitting device 300 is the substrate body (not shown in FIG. 7), the plurality of mounting portions 302, the light source 303, and the protection portion (similar to the previous embodiment). 304 and a connection line 305, the mounting portion 302 may include first and second pad portions 302a and 302b.
- the stress dispersion holes 306 are formed in the thickness direction in the substrate main body. As shown in FIG. 7, the stress dispersion hole 306 may be formed in the corner region of the substrate main body.
- the stress dispersion hole 306 may surround the mounting portion 302, that is, the mounting portion may be formed in an area where no wiring pattern is formed. It may be formed in the corner region of the 302. As the stress distribution holes 306 are provided in the substrate, the stress due to heat generated during the operation of the light source 303 may not be transmitted to the substrate body as a whole, but may be stagnant or resolved in each of the stress distribution holes 306. Therefore, by forming the stress dispersion holes 306 in the substrate body together with the structure used in the above embodiment, the phenomenon of the substrate bending due to the temperature change can be further prevented. Meanwhile, the stress distribution hole 306 may be formed in the central region of the substrate body as necessary, such as the light emitting device 300 ′ according to the modification of FIG. 8, in addition to the edge of the substrate body. .
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Led Device Packages (AREA)
- Structure Of Printed Boards (AREA)
Abstract
Description
Claims (23)
- 기판 본체;상기 기판 본체 상면을 일부 덮는 도전성 박막 형태로 형성되며, 서로 이격되어 배치된 복수의 실장부 및 상기 복수의 실장부들을 전기적으로 연결하도록 상기 실장부보다 좁은 폭으로 형성된 연결 라인을 포함하는 배선 패턴부; 및상기 복수의 실장부 중 적어도 하나의 실장부에 적어도 하나씩 배치된 광원;을 포함하는 발광 장치.
- 제1항에 있어서,상기 복수의 실장부는 열과 행을 이루며 배치된 것을 특징으로 하는 발광 장치.
- 제2항에 있어서,상기 복수의 실장부에서 서로 인접하게 배치된 행들은 상기 열 방향을 기준으로 서로 엇갈리도록 배치된 것을 특징으로 하는 발광 장치.
- 제1항에 있어서,상기 연결 라인 중 적어도 일부는 절곡된 형상을 갖는 것을 특징으로 하는 발광 장치.
- 제1항에 있어서,상기 실장부는 상부에서 보았을 때 직사각형의 외관을 갖는 것을 특징으로 하는 발광 장치.
- 제1항에 있어서,상기 기판 본체의 상면에서 상기 복수의 실장부가 점유하는 면적은 상기 기판 상면의 면적에 대하여 50 ~ 80%인 것을 특징으로 하는 발광 장치.
- 제1항에 있어서,상기 기판 본체는 연성 재질로 이루어진 것을 특징으로 하는 발광 장치.
- 제1항에 있어서,상기 기판 본체는 전기 절연성 물질로 이루어진 것을 특징으로 하는 발광 장치.
- 제1항에 있어서,상기 복수의 실장부 중 적어도 하나는 서로 분리된 제1 및 제2 패드부를 포함하는 것을 특징으로 하는 발광 장치.
- 제9항에 있어서,상기 제1 패드부는 상기 제2 패드부보다 상기 기판 상면을 점유하는 면적이 더 큰 것을 특징으로 하는 발광 장치.
- 제10항에 있어서,상기 광원은 각각 상기 제1 및 제2 패드부와 접하는 제1 및 제2 단자부와, 상기 제1 단자부 상에 배치된 발광소자를 포함하는 것을 특징으로 하는 발광 장치.
- 제10항에 있어서,상기 제1 패드부는 일 측면으로부터 중앙으로 함몰된 형상을 가지며, 상기 제2 패드부는 상기 제1 패드부의 함몰된 영역 내에 배치된 것을 특징으로 하는 발광 장치.
- 제1항에 있어서,상기 실장부와 상기 연결 라인은 서로 동일한 물질로 이루어진 것을 특징으로 하는 발광 장치.
- 제1항에 있어서,상기 연결 라인은 상기 복수의 실장부를 전기적으로 직렬로 연결하는 부분과 병렬로 연결하는 부분을 포함하는 것을 특징으로 하는 발광 장치.
- 제1항에 있어서,적어도 상기 기판 본체의 상면 및 상기 실장부 상면의 일부를 덮도록 형성되며, 전기 절연성 물질로 이루어진 보호부를 더 포함하는 것을 특징으로 하는 발광 장치.
- 제15항에 있어서,상기 보호부는 상기 연결 라인의 상면까지 덮도록 형성된 것을 특징으로 하는 발광 장치.
- 제15항에 있어서,상기 보호부는 상기 광원에서 방출된 빛을 반사하는 물질로 이루어진 것을 특징으로 하는 발광 장치.
- 제15항에 있어서,상기 보호부는 PSR (Photo Solder Resist)로 이루어진 것을 특징으로 하는 발광 장치.
- 제15항에 있어서,상기 복수의 실장부 중 적어도 하나는 상기 광원이 실장되는 영역 외에 상기 보호부가 덮이지 않아 외부로 노출된 테스트 포인트를 구비하는 것을 특징으로 하는 발광 장치.
- 제15항에 있어서,상기 기판 본체를 두께 방향으로 관통하도록 형성된 하나 이상의 응력분산홀을 더 포함하는 것을 특징으로 하는 발광 장치.
- 제20항에 있어서,상기 응력분산홀은 상기 기판 본체의 모서리 영역에 형성된 것을 특징으로 하는 발광 장치.
- 제20항에 있어서,상기 응력분산홀은 상기 기판 본체의 중앙 영역에 형성된 것을 특징으로 하는 발광 장치.
- 제20항에 있어서,상기 응력분산홀은 상기 실장부의 모서리 영역에 형성된 것을 특징으로 하는 발광 장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/522,473 US20120300457A1 (en) | 2010-01-15 | 2011-01-14 | Light-emitting device |
CN2011800096812A CN102804937A (zh) | 2010-01-15 | 2011-01-14 | 发光器件 |
DE112011100248T DE112011100248T5 (de) | 2010-01-15 | 2011-01-14 | Lichtemittierende Vorrichtung |
KR1020127016302A KR20120116945A (ko) | 2010-01-15 | 2011-01-14 | 발광 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KRPCT/KR2010/000251 | 2010-01-15 | ||
PCT/KR2010/000251 WO2011087168A1 (ko) | 2010-01-15 | 2010-01-15 | 인쇄회로기판 |
Publications (2)
Publication Number | Publication Date |
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WO2011087319A2 true WO2011087319A2 (ko) | 2011-07-21 |
WO2011087319A3 WO2011087319A3 (ko) | 2011-11-10 |
Family
ID=44304426
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2010/000251 WO2011087168A1 (ko) | 2010-01-15 | 2010-01-15 | 인쇄회로기판 |
PCT/KR2011/000296 WO2011087319A2 (ko) | 2010-01-15 | 2011-01-14 | 발광 장치 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2010/000251 WO2011087168A1 (ko) | 2010-01-15 | 2010-01-15 | 인쇄회로기판 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120300457A1 (ko) |
KR (1) | KR20120116945A (ko) |
CN (1) | CN102804937A (ko) |
DE (1) | DE112011100248T5 (ko) |
WO (2) | WO2011087168A1 (ko) |
Cited By (1)
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CN102773578A (zh) * | 2012-07-25 | 2012-11-14 | 台龙电子(昆山)有限公司 | 一种将led灯条焊接在柔性板件上的焊盘 |
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CN103972264A (zh) | 2013-01-25 | 2014-08-06 | 财团法人工业技术研究院 | 可挠性电子装置 |
CN103742821A (zh) * | 2014-01-25 | 2014-04-23 | 深圳市灿明科技有限公司 | 一种led柔性灯条 |
KR20230116461A (ko) * | 2022-01-28 | 2023-08-04 | 삼성전자주식회사 | 디스플레이 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070000833A (ko) * | 2005-06-28 | 2007-01-03 | 엘지.필립스 엘시디 주식회사 | Led가 실장된 인쇄회로기판 |
KR20080006641A (ko) * | 2005-06-07 | 2008-01-16 | 가부시키가이샤후지쿠라 | 발광소자 실장용 기판, 발광소자 모듈, 조명장치, 표시장치및 교통 신호기 |
JP2008205453A (ja) * | 2007-01-26 | 2008-09-04 | Teijin Ltd | 放熱性実装基板およびその製造方法 |
JP2009071199A (ja) * | 2007-09-17 | 2009-04-02 | Element Denshi:Kk | 実装基板およびそれを用いた薄型発光装置の製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2166082T3 (es) * | 1996-05-17 | 2002-04-01 | Infineon Technologies Ag | Elemento de soporte para un chip de semiconductores. |
US7033920B1 (en) * | 2000-01-10 | 2006-04-25 | Micron Technology, Inc. | Method for fabricating a silicon carbide interconnect for semiconductor components |
JP3942457B2 (ja) * | 2002-02-27 | 2007-07-11 | Necエレクトロニクス株式会社 | 電子部品の製造方法 |
JP3993475B2 (ja) * | 2002-06-20 | 2007-10-17 | ローム株式会社 | Ledチップの実装構造、およびこれを備えた画像読み取り装置 |
JP4317697B2 (ja) * | 2003-01-30 | 2009-08-19 | パナソニック株式会社 | 光半導体ベアチップ、プリント配線板、照明ユニットおよび照明装置 |
JP2007516592A (ja) * | 2003-06-30 | 2007-06-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 発光ダイオード熱管理システム |
JP5059739B2 (ja) * | 2005-03-11 | 2012-10-31 | ソウル セミコンダクター カンパニー リミテッド | 直列接続された発光セルのアレイを有する発光ダイオードパッケージ |
JP4699225B2 (ja) * | 2006-01-31 | 2011-06-08 | 株式会社トクヤマ | メタライズドセラミックス基板の製造方法、該方法により製造したメタライズドセラミックス基板、およびパッケージ |
KR20080001975A (ko) * | 2006-06-30 | 2008-01-04 | 삼성전자주식회사 | 표시 기판 및 이를 구비한 표시 장치 |
DE112008003185T5 (de) * | 2007-11-29 | 2010-09-30 | Mitsubishi Plastics, Inc. | Mit Metall laminierter Gegenstand, mit LED versehenes Substrat und weisse Folie |
KR101104034B1 (ko) * | 2007-12-06 | 2012-01-09 | 엘지이노텍 주식회사 | 발광다이오드, 발광장치 및 그 제조방법 |
-
2010
- 2010-01-15 WO PCT/KR2010/000251 patent/WO2011087168A1/ko active Application Filing
-
2011
- 2011-01-14 US US13/522,473 patent/US20120300457A1/en not_active Abandoned
- 2011-01-14 WO PCT/KR2011/000296 patent/WO2011087319A2/ko active Application Filing
- 2011-01-14 CN CN2011800096812A patent/CN102804937A/zh active Pending
- 2011-01-14 DE DE112011100248T patent/DE112011100248T5/de not_active Withdrawn
- 2011-01-14 KR KR1020127016302A patent/KR20120116945A/ko not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20080006641A (ko) * | 2005-06-07 | 2008-01-16 | 가부시키가이샤후지쿠라 | 발광소자 실장용 기판, 발광소자 모듈, 조명장치, 표시장치및 교통 신호기 |
KR20070000833A (ko) * | 2005-06-28 | 2007-01-03 | 엘지.필립스 엘시디 주식회사 | Led가 실장된 인쇄회로기판 |
JP2008205453A (ja) * | 2007-01-26 | 2008-09-04 | Teijin Ltd | 放熱性実装基板およびその製造方法 |
JP2009071199A (ja) * | 2007-09-17 | 2009-04-02 | Element Denshi:Kk | 実装基板およびそれを用いた薄型発光装置の製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102773578A (zh) * | 2012-07-25 | 2012-11-14 | 台龙电子(昆山)有限公司 | 一种将led灯条焊接在柔性板件上的焊盘 |
Also Published As
Publication number | Publication date |
---|---|
WO2011087319A3 (ko) | 2011-11-10 |
US20120300457A1 (en) | 2012-11-29 |
WO2011087168A1 (ko) | 2011-07-21 |
KR20120116945A (ko) | 2012-10-23 |
CN102804937A (zh) | 2012-11-28 |
DE112011100248T5 (de) | 2012-11-08 |
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