KR100682938B1 - 이방성 광확산 특성을 가지는 광학 시트 및 이를 포함하는면광원 장치 - Google Patents
이방성 광확산 특성을 가지는 광학 시트 및 이를 포함하는면광원 장치 Download PDFInfo
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- KR100682938B1 KR100682938B1 KR1020050013530A KR20050013530A KR100682938B1 KR 100682938 B1 KR100682938 B1 KR 100682938B1 KR 1020050013530 A KR1020050013530 A KR 1020050013530A KR 20050013530 A KR20050013530 A KR 20050013530A KR 100682938 B1 KR100682938 B1 KR 100682938B1
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- Prior art keywords
- light
- anisotropic
- light diffusion
- layer
- sheet
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G1/00—Cocoa; Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/30—Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/305—Products for covering, coating, finishing or decorating
-
- 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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G1/00—Cocoa; Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/30—Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/32—Cocoa products, e.g. chocolate; Substitutes therefor characterised by the composition containing organic or inorganic compounds
- A23G1/48—Cocoa products, e.g. chocolate; Substitutes therefor characterised by the composition containing organic or inorganic compounds containing plants or parts thereof, e.g. fruits, seeds or extracts
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G7/00—Other apparatus or process specially adapted for the chocolate or confectionery industry
- A23G7/0043—Other processes specially adapted for the chocolate or confectionery industry
- A23G7/0093—Cooling or drying
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
-
- 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
- G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
-
- 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
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2300/00—Processes
- A23V2300/10—Drying, dehydrating
-
- 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
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Botany (AREA)
- Inorganic Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (9)
- 투명한 모재의 기판층; 및입사하여 투과하는 광을 이방성 산란시키게 하는, 상기 기판층의 어느 일면 표면으로 새겨져 배열된 타원형 렌즈들을 포함하는 이방성 광확산층; 및상기 기판층의 다른 일면 상에 상기 투과하는 광을 등방성 산란시키는 등방성 광확산층;을 포함하는 것을 특징으로 이방성 광확산 특성을 가지는 광학 시트.
- 제1항에 있어서,상기 이방성 광확산층은 상기 타원형 렌즈의 장축 길이 및 단축 길이에 의존하여 상기 장축 길이 방향으로의 광확산 각분포 및 상기 단축 길이 방향으로의 광확산 각분포가 다르게 상기 투과하는 광을 이방성 산란시키는 것을 특징으로 하는 이방성 광확산 특성을 가지는 광학 시트.
- 제1항에 있어서,상기 이방성 광확산층의 상기 타원형 렌즈들은 렌즈의 장축 또는 단축 방향이 상호 간에 나란하게 배열된 것을 특징으로 하는 이방성 광확산 특성을 가지는 광학 시트.
- 삭제
- 삭제
- 제1 항에 있어서,상기 등방성 광확산층은 비드(bead)를 포함하는 것을 특징으로 이방성 광확산 특성을 가지는 광학 시트.
- 제1 항에 있어서,상기 타원형 렌즈는 높이 대 장축의 비율이 1/3 이하이고, 높이 대 단축의 비율은 1 이상인 것을 특징으로 하는 이방성 광확산 특성을 가지는 광학 시트.
- 삭제
- 제7 항에 있어서,상기 높이는 10 ㎛이고, 상기 장축은 30 ~ 50 ㎛이며, 상기 단축은 6 ~ 8 ㎛인 것을 특징으로 하는 이방성 광확산 특성을 가지는 광학 시트.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050013530A KR100682938B1 (ko) | 2005-02-18 | 2005-02-18 | 이방성 광확산 특성을 가지는 광학 시트 및 이를 포함하는면광원 장치 |
US11/357,133 US20060187377A1 (en) | 2005-02-18 | 2006-02-21 | Optical sheet having anisotropic light diffusing characteristic and surface illuminant device including the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050013530A KR100682938B1 (ko) | 2005-02-18 | 2005-02-18 | 이방성 광확산 특성을 가지는 광학 시트 및 이를 포함하는면광원 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060092550A KR20060092550A (ko) | 2006-08-23 |
KR100682938B1 true KR100682938B1 (ko) | 2007-02-15 |
Family
ID=36912303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050013530A Expired - Fee Related KR100682938B1 (ko) | 2005-02-18 | 2005-02-18 | 이방성 광확산 특성을 가지는 광학 시트 및 이를 포함하는면광원 장치 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060187377A1 (ko) |
KR (1) | KR100682938B1 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7835078B2 (en) * | 2005-02-02 | 2010-11-16 | Dai Nippon Printing Co., Ltd. | Reflecting screen, method of manufacturing the same, and reflection-type projection system |
JP4962884B2 (ja) * | 2006-06-06 | 2012-06-27 | 三国電子有限会社 | 面光源装置ならびにプリズムシートと液晶表示装置 |
JP5023666B2 (ja) * | 2006-11-13 | 2012-09-12 | 住友化学株式会社 | 透過型画像表示装置 |
KR101353475B1 (ko) * | 2007-05-30 | 2014-01-24 | 삼성디스플레이 주식회사 | 도광판과 이를 포함하는 백라이트 어셈블리 및 이를포함하는 액정 표시 장치 |
WO2009084176A1 (ja) * | 2007-12-28 | 2009-07-09 | Sharp Kabushiki Kaisha | 照明装置および液晶表示装置 |
US20100231823A1 (en) * | 2008-12-26 | 2010-09-16 | Dai Nippon Printing Co., Ltd. | Optical sheet, surface light source device, and display device |
JP2010169847A (ja) * | 2009-01-22 | 2010-08-05 | Sony Corp | 空間像表示装置 |
JP5851810B2 (ja) * | 2011-11-25 | 2016-02-03 | 浜松ホトニクス株式会社 | 基準光源 |
JP6251741B2 (ja) | 2012-08-13 | 2017-12-20 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag | 液晶ディスプレイ用照明装置 |
JP6336266B2 (ja) * | 2013-11-29 | 2018-06-06 | 帝人フィルムソリューション株式会社 | 白色反射フィルム |
US9880328B2 (en) * | 2013-12-12 | 2018-01-30 | Corning Incorporated | Transparent diffusers for lightguides and luminaires |
JP6319355B2 (ja) * | 2016-02-23 | 2018-05-09 | 株式会社デンソー | ヘッドアップディスプレイ装置 |
WO2018049944A1 (en) * | 2016-09-17 | 2018-03-22 | Shenzhen GOODIX Technology Co., Ltd. | Under-screen optical sensor module for on-screen fingerprint sensing |
KR20210121973A (ko) | 2020-03-31 | 2021-10-08 | 코닝 인코포레이티드 | 도광패널 및 이를 포함하는 조명장치 |
Citations (2)
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KR20000057807A (ko) * | 1999-02-04 | 2000-09-25 | 케이이치 오사무라 | 광확산판 및 광확산판을 사용한 백 라이트 유니트장치 |
JP2004319171A (ja) * | 2003-04-14 | 2004-11-11 | Keiwa Inc | 光学ユニット及びこれを用いたバックライトユニット |
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JP2539491Y2 (ja) * | 1991-10-09 | 1997-06-25 | 惠和商工株式会社 | 光拡散シート材 |
EP0462361B1 (en) * | 1990-06-19 | 1996-06-19 | Enplas Corporation | Surface light source device |
US6266476B1 (en) * | 1998-08-25 | 2001-07-24 | Physical Optics Corporation | Optical element having an integral surface diffuser |
US6381068B1 (en) * | 1999-03-19 | 2002-04-30 | 3M Innovative Properties Company | Reflective projection screen and projection system |
JP2002540557A (ja) * | 1999-03-24 | 2002-11-26 | エルジー ケミカル エルティーディー. | バックライトシステム |
US6900941B2 (en) * | 2002-05-16 | 2005-05-31 | Eastman Kodak Company | Light diffuser with colored variable diffusion |
US6848795B2 (en) * | 2002-10-24 | 2005-02-01 | Eastman Kodak Company | Increased contrast overhead projection films |
-
2005
- 2005-02-18 KR KR1020050013530A patent/KR100682938B1/ko not_active Expired - Fee Related
-
2006
- 2006-02-21 US US11/357,133 patent/US20060187377A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20000057807A (ko) * | 1999-02-04 | 2000-09-25 | 케이이치 오사무라 | 광확산판 및 광확산판을 사용한 백 라이트 유니트장치 |
JP2004319171A (ja) * | 2003-04-14 | 2004-11-11 | Keiwa Inc | 光学ユニット及びこれを用いたバックライトユニット |
Non-Patent Citations (2)
Title |
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Also Published As
Publication number | Publication date |
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KR20060092550A (ko) | 2006-08-23 |
US20060187377A1 (en) | 2006-08-24 |
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