JP2007256953A - バックライトユニット及びその製造方法 - Google Patents
バックライトユニット及びその製造方法 Download PDFInfo
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- JP2007256953A JP2007256953A JP2007072980A JP2007072980A JP2007256953A JP 2007256953 A JP2007256953 A JP 2007256953A JP 2007072980 A JP2007072980 A JP 2007072980A JP 2007072980 A JP2007072980 A JP 2007072980A JP 2007256953 A JP2007256953 A JP 2007256953A
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- insulating resin
- backlight unit
- chassis
- circuit pattern
- pattern
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229920005989 resin Polymers 0.000 claims abstract description 66
- 239000011347 resin Substances 0.000 claims abstract description 66
- 239000007769 metal material Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000004528 spin coating Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 238000010137 moulding (plastic) Methods 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
-
- 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
- H05K1/056—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an organic 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/04—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed mechanically, e.g. by punching
- H05K3/045—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed mechanically, e.g. by punching by making a conductive layer having a relief pattern, followed by abrading of the raised portions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01019—Potassium [K]
-
- 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
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0364—Conductor shape
- H05K2201/0376—Flush conductors, i.e. flush with the surface of the printed circuit
-
- 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
- H05K2201/09036—Recesses or grooves in insulating substrate
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0108—Male die used for patterning, punching or transferring
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/025—Abrading, e.g. grinding or sand blasting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
- Y10T29/49158—Manufacturing circuit on or in base with molding of insulated base
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49169—Assembling electrical component directly to terminal or elongated conductor
- Y10T29/49171—Assembling electrical component directly to terminal or elongated conductor with encapsulating
- Y10T29/49172—Assembling electrical component directly to terminal or elongated conductor with encapsulating by molding of insulating material
Abstract
【解決手段】本発明のバックライトユニット100は、シャーシ110と、シャーシ110に塗布された絶縁樹脂130と、絶縁樹脂130に陰刻された回路パターンの模様に金属物質を充填して形成された回路パターン141、142と、回路パターン141、142と電気的に接続されて絶縁樹脂130に実装されたLEDパッケージ150とを含むことを特徴とする。
【選択図】図1
Description
R全体=R基板+R熱パッド
=(t基板/K基板+t熱パッド/K熱パッド)/A
=(0.8×10−3/0.35+0.2×10−3/1.00)/(36×10−6)
=69.4℃/W
となり、熱パッド270の厚さが0.5mmの場合には77.88℃/WRとさらに高くなる。
110 シャーシ
120 スタンプ
130 絶縁樹脂
140 回路パターン
150 LEDパッケージ
Claims (11)
- シャーシと、
前記シャーシに塗布された絶縁樹脂と、
前記絶縁樹脂に形成された回路パターンと、
前記回路パターンと電気的に接続されるように前記絶縁樹脂に実装される光源モジュールと
を含むことを特徴とするバックライトユニット。 - 前記絶縁樹脂は、200μm以下の厚さであることを特徴とする請求項1に記載のバックライトユニット。
- 前記絶縁樹脂は、固相フィルム状で前記シャーシにラミネーションされるか、液相状でスピンコーティングまたはブレードコーティングを用いた鋳造方式で前記シャーシに塗布されることを特徴とする請求項1または請求項2に記載のバックライトユニット。
- 前記回路パターンは、前記絶縁樹脂に陰刻された回路パターンの模様に金属物質を充填して形成されることを特徴とする請求項1乃至3のいずれか1項に記載のバックライトユニット。
- 前記回路パターンの模様は、前記模様が陽刻されたスタンプを前記絶縁樹脂に押圧することによって形成されることを特徴とする請求項4に記載のバックライトユニット。
- 前記光源モジュールは、LEDパッケージであることを特徴とする請求項1乃至5のいずれか1項に記載のバックライトユニット。
- シャーシに絶縁樹脂を塗布する段階(S110)と、
前記絶縁樹脂に回路パターン模様を陰刻する段階(S120)と、
前記陰刻された回路パターン模様に金属物質を塗布またはメッキする段階(S130)と、
前記回路パターン模様からはみ出た部分の金属物質を除去して回路パターンを形成する段階(S140)と、
前記回路パターンと電気的に接続されるように光源モジュールを前記絶縁樹脂に実装する段階(S150)と
を含むことを特徴とするバックライトユニットの製造方法。 - 前記シャーシに絶縁樹脂を塗布する段階(S110)において、前記絶縁樹脂は200μm以下の厚さであることを特徴とする請求項7に記載のバックライトユニットの製造方法。
- 前記シャーシに絶縁樹脂を塗布する段階(S110)は、固相フィルム状の絶縁樹脂を前記シャーシにラミネーションするか、或いは液相状の絶縁樹脂を塗布することによって行われることを特徴とする請求項7または請求項8に記載のバックライトユニットの製造方法。
- 前記液相状の絶縁樹脂は、スピンコーティングまたはブレードコーティングを用いた鋳造方式で前記シャーシに塗布されることを特徴とする請求項9に記載のバックライトユニットの製造方法。
- 前記光源モジュールは、LEDパッケージであることを特徴とする請求項7乃至10のいずれか1項に記載のバックライトユニットの製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0025803 | 2006-03-21 | ||
KR1020060025803A KR100797716B1 (ko) | 2006-03-21 | 2006-03-21 | 회로기판이 없는 led-백라이트유닛 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007256953A true JP2007256953A (ja) | 2007-10-04 |
JP5165913B2 JP5165913B2 (ja) | 2013-03-21 |
Family
ID=38134073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007072980A Active JP5165913B2 (ja) | 2006-03-21 | 2007-03-20 | バックライトユニット及びその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US20070221942A1 (ja) |
EP (1) | EP1837923B1 (ja) |
JP (1) | JP5165913B2 (ja) |
KR (1) | KR100797716B1 (ja) |
CN (1) | CN100498468C (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100862454B1 (ko) * | 2007-02-27 | 2008-10-08 | 삼성전기주식회사 | Led를 구비한 백라이트 유닛 및 그 제조방법 |
CN102141232A (zh) * | 2010-02-02 | 2011-08-03 | 上海三思电子工程有限公司 | Led照明光源的封装结构及其制作方法 |
US8373183B2 (en) * | 2011-02-22 | 2013-02-12 | Hong Kong Applied Science and Technology Research Institute Company Limited | LED package for uniform color emission |
JP7375294B2 (ja) | 2017-07-28 | 2023-11-08 | Tdk株式会社 | 導電性基板、電子装置及び表示装置の製造方法 |
CN110136586B (zh) * | 2019-05-27 | 2021-06-01 | Oppo广东移动通信有限公司 | 背光组件、显示模组及电子设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002246652A (ja) * | 2001-02-21 | 2002-08-30 | Nippon Leiz Co Ltd | 光源装置 |
JP2002374067A (ja) * | 2001-06-13 | 2002-12-26 | Denso Corp | プリント基板のおよびその製造方法 |
JP2005086075A (ja) * | 2003-09-10 | 2005-03-31 | Denso Corp | ライトユニット |
JP2006011239A (ja) * | 2004-06-29 | 2006-01-12 | Kyocera Corp | 液晶表示装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR890007620A (ko) * | 1987-10-24 | 1989-06-20 | 미다 가쓰시게 | 프린트 회로의 제조방법 |
JP3361556B2 (ja) * | 1992-09-25 | 2003-01-07 | 日本メクトロン株式会社 | 回路配線パタ−ンの形成法 |
KR19980084566A (ko) * | 1997-05-23 | 1998-12-05 | 이대원 | 다층 인쇄회로기판 및 그 제조방법 |
JP2001168398A (ja) | 1999-12-13 | 2001-06-22 | Nichia Chem Ind Ltd | 発光ダイオード及び製造方法 |
KR20000036309A (ko) * | 1999-12-13 | 2000-07-05 | 기승철 | 도체막을 절단하여 회로부를 성형하는 회로기판의제조방법. |
JP2002184718A (ja) * | 2000-12-14 | 2002-06-28 | Nippon Telegr & Teleph Corp <Ntt> | インプリント方法及びインプリント装置 |
US20060043382A1 (en) * | 2003-02-07 | 2006-03-02 | Nobuyuki Matsui | Metal base wiring board for retaining light emitting elements, light emitting source, lightning apparatus, and display apparatus |
US7013562B2 (en) * | 2003-03-31 | 2006-03-21 | Intel Corporation | Method of using micro-contact imprinted features for formation of electrical interconnects for substrates |
KR100604819B1 (ko) * | 2003-06-12 | 2006-07-28 | 삼성전자주식회사 | 반도체 패키지용 배선 기판, 그 제조방법 및 이를 이용한반도체 패키지 |
US20050116387A1 (en) * | 2003-12-01 | 2005-06-02 | Davison Peter A. | Component packaging apparatus, systems, and methods |
JP4754850B2 (ja) * | 2004-03-26 | 2011-08-24 | パナソニック株式会社 | Led実装用モジュールの製造方法及びledモジュールの製造方法 |
KR20050121578A (ko) * | 2004-06-22 | 2005-12-27 | 삼성전자주식회사 | 백라이트 유닛 |
US7535107B2 (en) * | 2004-10-12 | 2009-05-19 | Salmon Technologies, Llc | Tiled construction of layered materials |
-
2006
- 2006-03-21 KR KR1020060025803A patent/KR100797716B1/ko active IP Right Grant
-
2007
- 2007-03-14 EP EP07104159.4A patent/EP1837923B1/en active Active
- 2007-03-19 CN CNB2007100872077A patent/CN100498468C/zh active Active
- 2007-03-19 US US11/723,235 patent/US20070221942A1/en not_active Abandoned
- 2007-03-20 JP JP2007072980A patent/JP5165913B2/ja active Active
-
2010
- 2010-05-13 US US12/779,695 patent/US8779561B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002246652A (ja) * | 2001-02-21 | 2002-08-30 | Nippon Leiz Co Ltd | 光源装置 |
JP2002374067A (ja) * | 2001-06-13 | 2002-12-26 | Denso Corp | プリント基板のおよびその製造方法 |
JP2005086075A (ja) * | 2003-09-10 | 2005-03-31 | Denso Corp | ライトユニット |
JP2006011239A (ja) * | 2004-06-29 | 2006-01-12 | Kyocera Corp | 液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20070221942A1 (en) | 2007-09-27 |
US8779561B2 (en) | 2014-07-15 |
EP1837923A2 (en) | 2007-09-26 |
CN100498468C (zh) | 2009-06-10 |
EP1837923B1 (en) | 2018-11-07 |
EP1837923A3 (en) | 2015-04-01 |
KR100797716B1 (ko) | 2008-01-23 |
CN101042498A (zh) | 2007-09-26 |
JP5165913B2 (ja) | 2013-03-21 |
KR20070095540A (ko) | 2007-10-01 |
US20100227423A1 (en) | 2010-09-09 |
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