KR20070055649A - 액정 디스플레이의 백라이트 유니트용 광확산 시트 및 이를포함하는 백라이트 유니트 - Google Patents
액정 디스플레이의 백라이트 유니트용 광확산 시트 및 이를포함하는 백라이트 유니트 Download PDFInfo
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- KR20070055649A KR20070055649A KR1020050113842A KR20050113842A KR20070055649A KR 20070055649 A KR20070055649 A KR 20070055649A KR 1020050113842 A KR1020050113842 A KR 1020050113842A KR 20050113842 A KR20050113842 A KR 20050113842A KR 20070055649 A KR20070055649 A KR 20070055649A
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- Prior art keywords
- light
- light diffusion
- diffusing
- diffusion
- light diffusing
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- 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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- 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
- G02B6/0051—Diffusing sheet or layer
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- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B2207/00—Coding scheme for general features or characteristics of optical elements and systems of subclass G02B, but not including elements and systems which would be classified in G02B6/00 and subgroups
- G02B2207/121—Antistatic or EM shielding layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
- G02B26/0841—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD the reflecting element being moved or deformed by electrostatic means
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- 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
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (5)
- 투명 플라스틱 시트 지지체;입사되는 광을 확산 시키기 위한 제1 광확산 입자, 및 상기 제1 광확산 입자를 상기 플라스틱 시트 지지체에 부착시키기 위한 제1 바인더 수지를 포함하며, 상기 플라스틱 시트 지지체의 일면에 형성되어 있는 광확산 접착 방지층; 및상기 플라시틱 시트 지지체를 통해 입사되는 광을 확산 시키기 위한 2 이상의 서로 다른 크기를 갖는 제2 광확산 입자, 및 상기 제2 광확산 입자를 상기 플라스틱 시트 지지체에 부착시키기 위한 제2 바인더 수지를 포함하며, 상기 광확산 접착 방치층의 반대면에 형성되어 있는 광확산층;을 포함하는 광확산 시트.
- 제1항에 있어서,상기 광의 입사 각이 40 도 일 때 광확산도가 3.5 이상인 광확산시트
- 제1항에 있어서,상기 광의 입사 각이 20 도 일 때 광확산도가 1 이하인 광확산 시트.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 광확산 접착 방지층은 정전기를 방지하기 위한 대전 방지제를 더 포함 하는 상기 광확산 시트.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 제1 광확산 입자 또는 제2 광확산 입자는 폴리메틸메타아크릴레이트계 입자, 폴리스틸렌계 및 이들의 공중합체 등을 포함하는 유기계 입자 또는 폴리실리콘계, 산화규소, 산화티타늄, 산화지르코늄 및 불화마그네슘 등을 포함하는 무기계 입자로 구성된 군으로부터 하나 이상 선택되는 상기 광확산 시트.
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KR1020050113842A KR100737978B1 (ko) | 2005-11-26 | 2005-11-26 | 액정 디스플레이의 백라이트 유니트용 광확산 시트 및 이를포함하는 백라이트 유니트 |
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KR1020050113842A KR100737978B1 (ko) | 2005-11-26 | 2005-11-26 | 액정 디스플레이의 백라이트 유니트용 광확산 시트 및 이를포함하는 백라이트 유니트 |
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KR20070055649A true KR20070055649A (ko) | 2007-05-31 |
KR100737978B1 KR100737978B1 (ko) | 2007-07-13 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20120109494A (ko) * | 2009-12-17 | 2012-10-08 | 키모토 컴파니 리미티드 | 광확산성 시트 및 이를 사용한 백라이트 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101158691B1 (ko) | 2010-07-26 | 2012-06-22 | 에스케이씨하스디스플레이필름(유) | 백라이트유닛용 반사시트 |
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JP4351455B2 (ja) * | 2002-03-26 | 2009-10-28 | 恵和株式会社 | 光拡散シート及びこれを用いたバックライトユニット |
JP2004271666A (ja) * | 2003-03-06 | 2004-09-30 | Dainippon Printing Co Ltd | 防眩フィルム |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20120109494A (ko) * | 2009-12-17 | 2012-10-08 | 키모토 컴파니 리미티드 | 광확산성 시트 및 이를 사용한 백라이트 |
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