KR100868633B1 - 광학 시트 및 상기 광학 시트가 구비된 백라이트 어셈블리 - Google Patents
광학 시트 및 상기 광학 시트가 구비된 백라이트 어셈블리 Download PDFInfo
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- KR100868633B1 KR100868633B1 KR1020070017576A KR20070017576A KR100868633B1 KR 100868633 B1 KR100868633 B1 KR 100868633B1 KR 1020070017576 A KR1020070017576 A KR 1020070017576A KR 20070017576 A KR20070017576 A KR 20070017576A KR 100868633 B1 KR100868633 B1 KR 100868633B1
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- optical sheet
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- 230000003287 optical effect Effects 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 21
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- 238000000576 coating method Methods 0.000 description 58
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- 238000004519 manufacturing process Methods 0.000 description 12
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- 239000000758 substrate Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
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- 239000002994 raw material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (13)
- 몸체부와,상기 몸체부 일면에는 양각으로 형성된 다각뿔 형상의 단위 구조체들이 형성되고,상기 단위 구조체는 4개의 면으로 이루어진 사각뿔의 형상으로 이루어지며,상기 단위 구조체의 4개의 면들 중 적어도 하나의 면에는 소정 두께 돌출형성된 볼록부가 형성되는 것을 특징으로 하는 광학 시트.
- 제 1 항에 있어서,상기 볼록부는 상기 단위 구조체상에서 불규칙적으로 형성되는 것을 특징으로 하는 광학 시트.
- 제 1 항에 있어서,상기 볼록부는 인접한 단위 구조체들 사이의 영역에 형성되는 것을 특징으로 하는 광학 시트.
- 삭제
- 몸체부와,상기 몸체부에는 음각으로 형성된 다각뿔 형상의 단위 구조체들이 형성되고,상기 단위 구조체는 4개의 면으로 이루어진 사각뿔의 형상으로 이루어지며,상기 단위 구조체의 4개의 면들 중 적어도 하나의 면에는 소정 두께 함몰형성된 오목부가 형성되는 것을 특징으로 하는 광학 시트.
- 제 5 항에 있어서,상기 오목부는 상기 단위 구조체 상의 임의의 영역에 복수개 형성되는 것을 특징으로 하는 광학 시트.
- 삭제
- 삭제
- 광을 발생시키는 램프 유닛과,상기 램프 유닛으로부터 발생된 광을 패널 측으로 안내하기 위한 도광판과,상기 도광판과 패널 사이에 구비되는 광학 시트가 포함되고,상기 광학 시트는 몸체부와 상기 몸체부 일면에는 양각으로 형성된 다각뿔 형상의 단위 구조체들이 형성되고, 상기 단위 구조체는 4개의 면으로 이루어진 사각뿔의 형상으로 이루어지며, 상기 단위 구조체의 4개의 면들 중 적어도 하나의 면에는 소정 두께 돌출형성된 볼록부가 형성되는 것을 특징으로 하는 백라이트 어셈블리.
- 광을 발생시키는 램프 유닛과,상기 램프 유닛으로부터 발생된 광을 패널 측으로 안내하기 위한 도광판과,상기 도광판과 패널 사이에 구비되는 광학 시트가 포함되고,상기 광학 시트는 몸체부와 상기 몸체부에는 음각으로 형성된 다각뿔 형상의 단위 구조체들이 형성되고, 상기 단위 구조체는 4개의 면으로 이루어진 사각뿔의 형상으로 이루어지며, 상기 단위 구조체의 4개의 면들 중 적어도 하나의 면에는 소정 두께 함몰형성된 오목부가 형성되는 것을 특징으로 하는 백라이트 어셈블리.
- 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070017576A KR100868633B1 (ko) | 2007-02-21 | 2007-02-21 | 광학 시트 및 상기 광학 시트가 구비된 백라이트 어셈블리 |
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KR1020070017576A KR100868633B1 (ko) | 2007-02-21 | 2007-02-21 | 광학 시트 및 상기 광학 시트가 구비된 백라이트 어셈블리 |
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KR20080077854A KR20080077854A (ko) | 2008-08-26 |
KR100868633B1 true KR100868633B1 (ko) | 2008-11-12 |
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KR1020070017576A Active KR100868633B1 (ko) | 2007-02-21 | 2007-02-21 | 광학 시트 및 상기 광학 시트가 구비된 백라이트 어셈블리 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101128078B1 (ko) | 2010-12-30 | 2012-03-29 | 웅진케미칼 주식회사 | 휘도 및 확산성 향상 광학필름 |
KR101175750B1 (ko) | 2010-12-30 | 2012-08-21 | 웅진케미칼 주식회사 | 휘도 및 확산성 향상 광학필름 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102461674B1 (ko) * | 2020-08-21 | 2022-11-02 | 주식회사 엘엠에스 | 광학필름 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001311809A (ja) | 2000-04-27 | 2001-11-09 | Dainippon Printing Co Ltd | 指向性拡散フィルム及びその製造方法、面光源装置及び液晶表示装置 |
KR20060018146A (ko) * | 2004-08-23 | 2006-02-28 | 엘지전자 주식회사 | 액정표시장치의 프리즘시트 및 이를 채용한 백라이트 유닛 |
JP2006251660A (ja) | 2005-03-14 | 2006-09-21 | Fuji Photo Film Co Ltd | プリズムレンズフィルム及び平面型発光装置 |
KR20070012888A (ko) * | 2005-07-25 | 2007-01-30 | 삼성전자주식회사 | 광학 유닛, 이의 제조 방법, 이를 갖는 백라이트 어셈블리및 표시 장치 |
KR20070013573A (ko) * | 2005-07-26 | 2007-01-31 | 삼성전자주식회사 | 프리즘 시트, 이를 갖는 백라이트 어셈블리 및액정표시장치 |
-
2007
- 2007-02-21 KR KR1020070017576A patent/KR100868633B1/ko active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001311809A (ja) | 2000-04-27 | 2001-11-09 | Dainippon Printing Co Ltd | 指向性拡散フィルム及びその製造方法、面光源装置及び液晶表示装置 |
KR20060018146A (ko) * | 2004-08-23 | 2006-02-28 | 엘지전자 주식회사 | 액정표시장치의 프리즘시트 및 이를 채용한 백라이트 유닛 |
JP2006251660A (ja) | 2005-03-14 | 2006-09-21 | Fuji Photo Film Co Ltd | プリズムレンズフィルム及び平面型発光装置 |
KR20070012888A (ko) * | 2005-07-25 | 2007-01-30 | 삼성전자주식회사 | 광학 유닛, 이의 제조 방법, 이를 갖는 백라이트 어셈블리및 표시 장치 |
KR20070013573A (ko) * | 2005-07-26 | 2007-01-31 | 삼성전자주식회사 | 프리즘 시트, 이를 갖는 백라이트 어셈블리 및액정표시장치 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101128078B1 (ko) | 2010-12-30 | 2012-03-29 | 웅진케미칼 주식회사 | 휘도 및 확산성 향상 광학필름 |
KR101175750B1 (ko) | 2010-12-30 | 2012-08-21 | 웅진케미칼 주식회사 | 휘도 및 확산성 향상 광학필름 |
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