KR101330770B1 - 백라이트 유닛용 절곡 인쇄회로기판 - Google Patents
백라이트 유닛용 절곡 인쇄회로기판 Download PDFInfo
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- KR101330770B1 KR101330770B1 KR1020110119555A KR20110119555A KR101330770B1 KR 101330770 B1 KR101330770 B1 KR 101330770B1 KR 1020110119555 A KR1020110119555 A KR 1020110119555A KR 20110119555 A KR20110119555 A KR 20110119555A KR 101330770 B1 KR101330770 B1 KR 101330770B1
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- printed circuit
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- 238000000034 method Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 44
- 230000003287 optical effect Effects 0.000 abstract description 5
- ARXHIJMGSIYYRZ-UHFFFAOYSA-N 1,2,4-trichloro-3-(3,4-dichlorophenyl)benzene Chemical compound C1=C(Cl)C(Cl)=CC=C1C1=C(Cl)C=CC(Cl)=C1Cl ARXHIJMGSIYYRZ-UHFFFAOYSA-N 0.000 description 10
- 239000002184 metal Substances 0.000 description 7
- RKUAZJIXKHPFRK-UHFFFAOYSA-N 1,3,5-trichloro-2-(2,4-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC=C1C1=C(Cl)C=C(Cl)C=C1Cl RKUAZJIXKHPFRK-UHFFFAOYSA-N 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- IYZWUWBAFUBNCH-UHFFFAOYSA-N 2,6-dichlorobiphenyl Chemical compound ClC1=CC=CC(Cl)=C1C1=CC=CC=C1 IYZWUWBAFUBNCH-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- 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
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/115—Via connections; Lands around holes or via connections
-
- 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
-
- 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
- H05K1/0284—Details of three-dimensional rigid printed circuit boards
-
- 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
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
-
- 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
- G02F1/1336—Illuminating devices
-
- 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
- H05K1/0278—Rigid circuit boards or rigid supports of circuit boards locally made bendable, e.g. by removal or replacement of material
-
- 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
- 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
- H05K2201/10128—Display
- H05K2201/10136—Liquid Crystal display [LCD]
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
도 2는 절곡 PCB와 브라켓을 백라이트유닛의 도광통로인 샤시(Chassis)에 장착한 단면도를 도시한 것이다.
도 3은 스프링 백 현상을 설명하기 위한 도면이다.
도 4는 스프링 백 현상이 발생한 절곡 인쇄회로기판을 나타낸 도면이다.
도 5는 본 발명의 일 실시예에 따른 절곡 인쇄회로기판을 나타낸 도면이다.
도 6은 본 발명의 다른 실시예에 따른 절곡 인쇄회로기판을 나타낸 도면이다.
도 7a 및 도 7b는 본 발명의 또 다른 실시예에 따른 인쇄회로기판들을 나타낸 도면이다.
도 8은 복수개의 실시예에 따른 백라이트 유닛용 부재들의 휨을 측정하는 기준을 나타낸 도면이다.
구분 | Hole 간격 | Hole 길이 |
PCB
두께 |
절곡 결과 | |
절곡 후 PCB 폭 | 절곡후 PCB 휨 | ||||
Case1 | 기존규격 | 10.0 ( 기존폭 ) | 0.6t | Max 11.08 , cpk -0.53 | Max 1.39 |
Case2 | LED 1점당 | 3.0 ( 기존폭 ) | 0.6t | Max 10.47 , cpk -0.72 | Max 0.57 |
Case3 | LED 3점당 | 3.0 ( 기존폭 ) | 0.6t | Max 10.38 , cpk -0.45 | Max 0.97 |
Case4 | LED 5점당 | 3.0 ( 기존폭 ) | 0.6t | Max 10.34 , cpk -0.29 | Max 1.19 |
Case5 | 기존규격 | 10.0 ( 기존폭 ) | 1.0t | Max 10.58 , cpk -0.22 | Max 1.45 |
Case6 | LED 1점당 | 3.0 ( 기존폭 ) | 1.0t | Max 10.16 , cpk 0.9 | Max 0.64 |
Case7 | LED 3점당 | 3.0 ( 기존폭 ) | 1.0t | Max 10.2 , cpk 0.72 | Max 1.34 |
Case8 | LED 5점당 | 3.0 ( 기존폭 ) | 1.0t | Max 10.97 , cpk 0.12 | Max 1.47 |
Case9 | LED 3점당 | 2.0 ( 기존폭 ) | 1.0t | Max 10.47 , cpk 0.13 | Max 1.71 |
Case10 | LED 3점당 | 5.0 ( 기존폭 ) | 1.0t | Max 10.22 , cpk 0.31 | Max 1.18 |
Claims (8)
- 광원소자가 실장되는 제1 부분;
상기 제1 부분으로부터 절곡되어 연장된 제2 부분;
상기 제1 부분과 상기 제2 부분이 만나는 경계면을 중심으로 상기 제1 부분과 상기 제2 부분에 걸쳐 형성되는 복수개의 홀; 및
상기 제2 부분에 횡방향으로 상기 제2 부분이 관통되도록 형성되는 복수개의 홈을 포함하되,
상기 복수개의 홀과 상기 복수개의 홈은 상호 중첩되지 않도록 형성되는 백라이트 유닛용 절곡 인쇄회로기판. - 삭제
- 제1항에 있어서,
상기 복수개의 홀은 상기 경계면으로부터 미리 결정된 범위 이내에 형성되는 백라이트 유닛용 절곡 인쇄회로기판. - 제3항에 있어서,
상기 미리 결정된 범위는 상기 경계면으로부터 ±5 mm 인 백라이트 유닛용 절곡 인쇄회로기판. - 광원소자가 실장되는 제1 부분;
상기 제1 부분으로부터 절곡되어 연장된 제2 부분;
상기 제2 부분에 횡방향으로, 상기 제1 부분의 일부와 상기 제2 부분이 관통되도록 형성된 복수개의 홈; 및
상기 제1 부분과 상기 제2 부분의 경계면에 미리 결정된 간격으로 형성된 복수개의 홀을 포함하되,
상기 복수개의 홀은 상기 복수개의 홈과 상호 중첩되지 않도록 형성되는, 백라이트 유닛용 절곡 인쇄회로기판. - 삭제
- 삭제
- 삭제
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110119555A KR101330770B1 (ko) | 2011-11-16 | 2011-11-16 | 백라이트 유닛용 절곡 인쇄회로기판 |
US14/358,301 US9326382B2 (en) | 2011-11-16 | 2012-11-15 | Bent printed circuit board for backlight unit |
PCT/KR2012/009658 WO2013073861A1 (en) | 2011-11-16 | 2012-11-15 | Bent printed circuit board for backlight unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110119555A KR101330770B1 (ko) | 2011-11-16 | 2011-11-16 | 백라이트 유닛용 절곡 인쇄회로기판 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20130053865A KR20130053865A (ko) | 2013-05-24 |
KR101330770B1 true KR101330770B1 (ko) | 2013-11-18 |
Family
ID=48429863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020110119555A Expired - Fee Related KR101330770B1 (ko) | 2011-11-16 | 2011-11-16 | 백라이트 유닛용 절곡 인쇄회로기판 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9326382B2 (ko) |
KR (1) | KR101330770B1 (ko) |
WO (1) | WO2013073861A1 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102104523B1 (ko) * | 2013-02-04 | 2020-04-24 | 엘지이노텍 주식회사 | 인쇄회로기판 및 상기 인쇄회로기판을 포함하는 액정표시장치 |
KR102150611B1 (ko) * | 2013-07-02 | 2020-09-01 | 엘지이노텍 주식회사 | 인쇄회로기판 |
KR102127343B1 (ko) * | 2013-07-03 | 2020-06-26 | 엘지이노텍 주식회사 | 인쇄회로기판 |
KR102109752B1 (ko) * | 2013-10-02 | 2020-05-12 | 엘지이노텍 주식회사 | 회로기판 및 상기 회로기판을 포함하는 조명장치 |
KR102170480B1 (ko) * | 2013-12-09 | 2020-10-28 | 엘지이노텍 주식회사 | 인쇄회로기판 |
CN104486902B (zh) * | 2014-11-27 | 2018-01-16 | 深圳市华星光电技术有限公司 | 弯折型印刷电路板 |
KR102337901B1 (ko) | 2018-08-28 | 2021-12-08 | 주식회사 엘지에너지솔루션 | 인쇄회로기판 어셈블리 및 그것을 제조하는 제조방법 |
CN109379837B (zh) * | 2018-11-02 | 2021-10-12 | 深圳市黑爵同创电子科技有限公司 | 硬性电路板及其制作方法 |
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WO2013073861A1 (en) | 2013-05-23 |
US9326382B2 (en) | 2016-04-26 |
US20140311777A1 (en) | 2014-10-23 |
KR20130053865A (ko) | 2013-05-24 |
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