KR100508221B1 - 광학 시트 및 그의 제조방법 - Google Patents
광학 시트 및 그의 제조방법 Download PDFInfo
- Publication number
- KR100508221B1 KR100508221B1 KR10-2002-0019182A KR20020019182A KR100508221B1 KR 100508221 B1 KR100508221 B1 KR 100508221B1 KR 20020019182 A KR20020019182 A KR 20020019182A KR 100508221 B1 KR100508221 B1 KR 100508221B1
- Authority
- KR
- South Korea
- Prior art keywords
- transparent
- transparent resin
- optical sheet
- resin layer
- fine particles
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- 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
- B32B2551/00—Optical elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24851—Intermediate layer is discontinuous or differential
- Y10T428/24868—Translucent outer layer
- Y10T428/24876—Intermediate layer contains particulate material [e.g., pigment, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24934—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including paper layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2839—Web or sheet containing structurally defined element or component and having an adhesive outermost layer with release or antistick coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2848—Three or more layers
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Tt(%) | ㎐(%) | Δ㎐(%) | |
실시예 1 | 95.6 | 80.6 | 0.2 |
실시예 2 | 94.7 | 67.7 | 0.3 |
실시예 3 | 94.4 | 81.7 | 0.2 |
실시예 4 | 95.8 | 83.9 | 0.1 |
비교예 1 | 92.3 | 71.0 | 1.1 |
비교예 2 | 92.1 | 61.9 | 1.3 |
비교예 3 | 92.9 | 70.3 | 1.0 |
비교예 4 | 95.3 | 68.5 | 3.5 |
Claims (10)
- 액정 디스플레이에 있어서의 백라이트 유닛 또는 반사판과 액정셀 사이에 배치하기 위한 광학시트로서,광투과성 수지층; 및상기 광투과성 수지층 중에 단입자층의 상태로 매몰된 투명 미립자로 이루어지는 미립자층을 포함하며,상기 광투과성 수지층은 2 개의 투명 수지층으로 이루어지고, 상기 투명 수지층의 경계면에 상기 미립자층이 형성되어 있으며,상기 2 개의 광투과성 수지층의 적어도 하나의 투명 수지층의 굴절율과 상기 투명 미립자의 굴절율이 다른 것을 특징으로 하는 광학 시트.
- 제 1 항에 있어서,상기 광투과성 수지층의 일면 또는 양면에 기체 (基體) 가 적층되어 있는 것을 특징으로 하는 광학 시트.
- 제 2 항에 있어서,상기 기체는 투광성 기체인 것을 특징으로 하는 광학 시트.
- 제 2 항에 있어서,상기 기체는 이형지(離型紙) 또는 이형 필름인 것을 특징으로 하는 광학 시트.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,상기 투명 수지층의 적어도 일방은 점착제로 형성되어 있는 것을 특징으로 하는 광학 시트.
- 기체 위에 적어도 일시적으로 점착성을 갖는 제 1 투명 수지층을 형성하는 공정;상기 제 1 투명 수지층 위에 투명 미립자를 단입자층의 상태로 전면 (全面) 에 깔고, 가압매체에 의해 투명 미립자에 타격을 가하여 투명 미립자를 매몰하여 미립자층을 형성하는 공정; 및상기 미립자층 위에 제 2 투명 수지층을 적층하는 공정을 적어도 포함하는 것을 특징으로 하는 액정 디스플레이에 있어서의 백라이트 유닛 또는 반사판과 액정셀 사이에 배치하기 위한 광학 시트의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001111698A JP3686348B2 (ja) | 2001-04-10 | 2001-04-10 | 光学フィルムおよびその製造方法 |
JPJP-P-2001-00111698 | 2001-04-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020079529A KR20020079529A (ko) | 2002-10-19 |
KR100508221B1 true KR100508221B1 (ko) | 2005-08-17 |
Family
ID=18963254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0019182A KR100508221B1 (ko) | 2001-04-10 | 2002-04-09 | 광학 시트 및 그의 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6841237B2 (ko) |
JP (1) | JP3686348B2 (ko) |
KR (1) | KR100508221B1 (ko) |
TW (1) | TW531665B (ko) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10123263B4 (de) * | 2001-05-12 | 2005-12-08 | Daimlerchrysler Ag | Lichtleitsystem für den Innenraum eines Kraftfahrzeugs |
US6700708B2 (en) * | 2002-05-30 | 2004-03-02 | Agere Systems, Inc. | Micro-lens array and method of making micro-lens array |
TWI289708B (en) | 2002-12-25 | 2007-11-11 | Qualcomm Mems Technologies Inc | Optical interference type color display |
CN100454087C (zh) * | 2003-02-28 | 2009-01-21 | 夏普株式会社 | 面辐射变换元件及其制造方法和液晶显示装置 |
TW200523503A (en) * | 2003-09-29 | 2005-07-16 | Sony Corp | Backlight, light guiding plate, method for manufacturing diffusion plate and light guiding plate, and liquid crystal display device |
US7901760B2 (en) * | 2003-11-11 | 2011-03-08 | Heartvision Enterprises, Inc. | Laminate assembly and method of manufacture |
US7342705B2 (en) | 2004-02-03 | 2008-03-11 | Idc, Llc | Spatial light modulator with integrated optical compensation structure |
TW200634068A (en) * | 2005-03-25 | 2006-10-01 | Optimax Tech Corp | Method of forming a micro-refractive film |
TW200634388A (en) * | 2005-03-25 | 2006-10-01 | Optimax Tech Corp | Micro-refractive layer and device thereof |
US7253953B2 (en) * | 2005-08-29 | 2007-08-07 | Stewart Filmscreen Corporation | Polymer sheet for projection screen |
KR100721009B1 (ko) * | 2005-10-27 | 2007-05-22 | 엘지전자 주식회사 | 복수의 확산시트를 포함하는 백라이트 장치 및 이를 포함하는 액정 표시 소자 |
EP1943555B1 (en) | 2006-10-06 | 2012-05-02 | QUALCOMM MEMS Technologies, Inc. | Optical loss structure integrated in an illumination apparatus of a display |
WO2008045207A2 (en) | 2006-10-06 | 2008-04-17 | Qualcomm Mems Technologies, Inc. | Light guide |
CN101201497A (zh) * | 2006-12-13 | 2008-06-18 | 鸿富锦精密工业(深圳)有限公司 | 背光模组及其导光板 |
US20080225202A1 (en) * | 2007-03-15 | 2008-09-18 | Hanbitt Joo | Optical sheet and liquid crystal display device having the same |
KR100980072B1 (ko) * | 2007-03-20 | 2010-09-06 | 코오롱인더스트리 주식회사 | 광학용 복합 필름 |
US8068710B2 (en) | 2007-12-07 | 2011-11-29 | Qualcomm Mems Technologies, Inc. | Decoupled holographic film and diffuser |
US20100024935A1 (en) * | 2008-08-04 | 2010-02-04 | Ecolab Inc. | Usage of micron or submicron size transparent or translucent beads to improve reflectance |
US20100051193A1 (en) * | 2008-08-27 | 2010-03-04 | Stewart Grant W | Projection screen fabrication method |
KR101097431B1 (ko) | 2009-04-28 | 2011-12-23 | 제일모직주식회사 | 디스플레이 패널용 플렉서블 기판 및 그 제조 방법 |
US20130328943A1 (en) * | 2012-06-12 | 2013-12-12 | Qualcomm Mems Technologies, Inc. | Diffuser including particles and binder |
US20140169029A1 (en) * | 2012-12-13 | 2014-06-19 | 3M Innovative Properties Company | Beaded clear optical layers for turning or extracting light |
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JPH09297203A (ja) * | 1996-05-02 | 1997-11-18 | Toshiba Corp | 光学素子及びその製造方法 |
JPH11183712A (ja) * | 1997-12-22 | 1999-07-09 | Dainippon Printing Co Ltd | 光拡散性樹脂層、光拡散性フィルム、拡散層付偏光板および当該偏光板を用いた液晶表示装置 |
JP2000047012A (ja) * | 1998-05-25 | 2000-02-18 | Kimoto & Co Ltd | 前方散乱フィルム |
JP2000214451A (ja) * | 1999-01-21 | 2000-08-04 | Sony Corp | 液晶表示装置及び液晶表示装置の製造方法 |
JP2001066701A (ja) * | 1999-08-25 | 2001-03-16 | Mitsubishi Rayon Co Ltd | 光拡散性シートおよび透過型スクリーン |
JP2001154004A (ja) * | 1999-11-24 | 2001-06-08 | Keiwa Inc | 光学シート及びこれを用いたバックライトユニット |
JP2001311807A (ja) * | 2000-04-27 | 2001-11-09 | Mitsubishi Rayon Co Ltd | 光拡散性シート、その製造方法および透過型スクリーン |
JP2002040216A (ja) * | 2000-07-27 | 2002-02-06 | Toppan Printing Co Ltd | 光散乱膜およびその製造方法 |
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-
2001
- 2001-04-10 JP JP2001111698A patent/JP3686348B2/ja not_active Expired - Fee Related
-
2002
- 2002-04-02 TW TW091106590A patent/TW531665B/zh not_active IP Right Cessation
- 2002-04-04 US US10/115,248 patent/US6841237B2/en not_active Expired - Lifetime
- 2002-04-09 KR KR10-2002-0019182A patent/KR100508221B1/ko active IP Right Grant
Patent Citations (9)
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KR100371258B1 (ko) * | 1994-08-12 | 2003-11-13 | 소니 가부시끼 가이샤 | 액정표시장치및그제조방법 |
JPH09297203A (ja) * | 1996-05-02 | 1997-11-18 | Toshiba Corp | 光学素子及びその製造方法 |
JPH11183712A (ja) * | 1997-12-22 | 1999-07-09 | Dainippon Printing Co Ltd | 光拡散性樹脂層、光拡散性フィルム、拡散層付偏光板および当該偏光板を用いた液晶表示装置 |
JP2000047012A (ja) * | 1998-05-25 | 2000-02-18 | Kimoto & Co Ltd | 前方散乱フィルム |
JP2000214451A (ja) * | 1999-01-21 | 2000-08-04 | Sony Corp | 液晶表示装置及び液晶表示装置の製造方法 |
JP2001066701A (ja) * | 1999-08-25 | 2001-03-16 | Mitsubishi Rayon Co Ltd | 光拡散性シートおよび透過型スクリーン |
JP2001154004A (ja) * | 1999-11-24 | 2001-06-08 | Keiwa Inc | 光学シート及びこれを用いたバックライトユニット |
JP2001311807A (ja) * | 2000-04-27 | 2001-11-09 | Mitsubishi Rayon Co Ltd | 光拡散性シート、その製造方法および透過型スクリーン |
JP2002040216A (ja) * | 2000-07-27 | 2002-02-06 | Toppan Printing Co Ltd | 光散乱膜およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20020079529A (ko) | 2002-10-19 |
TW531665B (en) | 2003-05-11 |
JP3686348B2 (ja) | 2005-08-24 |
US20020172810A1 (en) | 2002-11-21 |
US6841237B2 (en) | 2005-01-11 |
JP2002311214A (ja) | 2002-10-23 |
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