KR100834406B1 - 액정 디스플레이의 백라이트 유니트용 광확산 시트 - Google Patents
액정 디스플레이의 백라이트 유니트용 광확산 시트 Download PDFInfo
- Publication number
- KR100834406B1 KR100834406B1 KR1020060040480A KR20060040480A KR100834406B1 KR 100834406 B1 KR100834406 B1 KR 100834406B1 KR 1020060040480 A KR1020060040480 A KR 1020060040480A KR 20060040480 A KR20060040480 A KR 20060040480A KR 100834406 B1 KR100834406 B1 KR 100834406B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- light diffusion
- particles
- sheet
- backlight unit
- Prior art date
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
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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
- G02F1/133504—Diffusing, scattering, diffracting elements
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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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
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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 (3)
- 투명 플라스틱 시트 지지체; 및상기 투명 플라시틱 시트 지지체를 통해 입사되는 광을 확산시키며, 서로 상이한 굴절율을 가지며, 그 굴절율의 차이가 0.02 이상인 2 이상의 유기 입자를 혼합하여 이루어지는 광확산 입자, 및상기 광확산 입자를 상기 투명 플라스틱 시트 지지체에 고정하는 바인더 수지가 혼합되어 상기 투명 플라스틱 시트 지지체의 일면에 형성되는 전면 광확산층;을 포함하는 액정 디스플레이 백라이트 유니트용 광확산 시트.
- 삭제
- 제1항에 있어서,표면 저항이 10의 8승 Ω 내지 10의 12승 Ω인 대전 방지 특성을 가지는 접착 방지층을 상기 전면 광확산층의 반대 면에 형성하는 것을 특징으로 하는 상기 액정 디스플레이 백라이트 유니트용 광확산 시트.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020060040480A KR100834406B1 (ko) | 2006-05-04 | 2006-05-04 | 액정 디스플레이의 백라이트 유니트용 광확산 시트 |
Applications Claiming Priority (1)
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KR1020060040480A KR100834406B1 (ko) | 2006-05-04 | 2006-05-04 | 액정 디스플레이의 백라이트 유니트용 광확산 시트 |
Publications (2)
Publication Number | Publication Date |
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KR20070107914A KR20070107914A (ko) | 2007-11-08 |
KR100834406B1 true KR100834406B1 (ko) | 2008-06-04 |
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KR1020060040480A KR100834406B1 (ko) | 2006-05-04 | 2006-05-04 | 액정 디스플레이의 백라이트 유니트용 광확산 시트 |
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KR (1) | KR100834406B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101038286B1 (ko) * | 2008-10-16 | 2011-06-01 | 에스케이씨하스디스플레이필름(유) | 고휘도 광확산 필름 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040051597A (ko) * | 2001-10-11 | 2004-06-18 | 후지 샤신 필름 가부시기가이샤 | 투명 기판 및 확산층을 포함하는 확산막 |
KR20040084445A (ko) * | 2003-03-28 | 2004-10-06 | 스미또모 가가꾸 고오교오 가부시끼가이샤 | 적층 편광 필름 |
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2006
- 2006-05-04 KR KR1020060040480A patent/KR100834406B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040051597A (ko) * | 2001-10-11 | 2004-06-18 | 후지 샤신 필름 가부시기가이샤 | 투명 기판 및 확산층을 포함하는 확산막 |
KR20040084445A (ko) * | 2003-03-28 | 2004-10-06 | 스미또모 가가꾸 고오교오 가부시끼가이샤 | 적층 편광 필름 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101038286B1 (ko) * | 2008-10-16 | 2011-06-01 | 에스케이씨하스디스플레이필름(유) | 고휘도 광확산 필름 |
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