WO2007118122A3 - Anti-snooping sheet and display device comprising the same - Google Patents
Anti-snooping sheet and display device comprising the same Download PDFInfo
- Publication number
- WO2007118122A3 WO2007118122A3 PCT/US2007/065965 US2007065965W WO2007118122A3 WO 2007118122 A3 WO2007118122 A3 WO 2007118122A3 US 2007065965 W US2007065965 W US 2007065965W WO 2007118122 A3 WO2007118122 A3 WO 2007118122A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- louver
- layer
- sheet
- snooping
- display device
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/006—Systems in which light light is reflected on a plurality of parallel surfaces, e.g. louvre mirrors, total internal reflection [TIR] lenses
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
- G07F19/20—Automatic teller machines [ATMs]
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
- G07F19/20—Automatic teller machines [ATMs]
- G07F19/205—Housing aspects of ATMs
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
-
- 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
Abstract
In one embodiment, the present invention provides an anti-snooping sheet comprising a first louver layer, a second louver layer and a prism layer capable of directing incident light. The first louver layer and the second louver layer each comprises a plurality of louvers extending in parallel to each other at predetermined intervals. The extending direction of the louver of the first louver layer intersects with the extending direction of the louver of the second louver layer. The prism layer comprises a plurality of prism elements extending in parallel to each other and causes the light incident in the direction perpendicular to the sheet to exit at a tilt of 15° to 25°.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006106231A JP2007279424A (en) | 2006-04-07 | 2006-04-07 | Privacy filter sheet and display device containing the same |
JP2006-106231 | 2006-04-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007118122A2 WO2007118122A2 (en) | 2007-10-18 |
WO2007118122A3 true WO2007118122A3 (en) | 2007-12-13 |
Family
ID=38581808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/065965 WO2007118122A2 (en) | 2006-04-07 | 2007-04-04 | Anti-snooping sheet and display device comprising the same |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2007279424A (en) |
WO (1) | WO2007118122A2 (en) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009122176A (en) | 2007-11-12 | 2009-06-04 | Dainippon Printing Co Ltd | Optical sheet and display device having same |
TWI403788B (en) * | 2008-09-24 | 2013-08-01 | Data Image Corp | Anti-glare paste method, paste the device and attached with anti-glare film display |
CN102307724B (en) | 2009-02-06 | 2015-05-13 | 3M创新有限公司 | Light control film and multi-layer optical film stack |
JP4756099B2 (en) | 2009-03-18 | 2011-08-24 | 日東電工株式会社 | Light diffusing element, polarizing plate with light diffusing element, liquid crystal display device using these, and method of manufacturing light diffusing element |
JP5429455B2 (en) * | 2009-04-23 | 2014-02-26 | 日本電気株式会社 | Visible angle limiting display device, visible angle limiting film structure, and portable device |
WO2011065490A1 (en) | 2009-11-30 | 2011-06-03 | 日東電工株式会社 | Liquid crystal display device |
US8758882B2 (en) | 2010-03-25 | 2014-06-24 | 3M Innovative Properties Company | Composite layer |
KR101831461B1 (en) | 2010-03-25 | 2018-02-22 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | Extrusion die element, extrusion die and method for making multiple stripe extrudate |
US20110244187A1 (en) * | 2010-04-06 | 2011-10-06 | Modilis Holdings Llc | Internal Cavity Optics |
MX2012013699A (en) | 2010-06-10 | 2012-12-17 | 3M Innovative Properties Co | Display device and method of lc panel protection. |
JP6275935B2 (en) | 2010-09-17 | 2018-02-07 | 日東電工株式会社 | Light diffusing element, polarizing plate with light diffusing element, and liquid crystal display using the same |
JP6275934B2 (en) | 2010-09-17 | 2018-02-07 | 日東電工株式会社 | Light diffusing element, polarizing plate with light diffusing element, polarizing element, and liquid crystal display using the same |
US20120319956A1 (en) * | 2011-06-16 | 2012-12-20 | Verifone, Inc. | Eavesdropping resistant touchscreen system |
FR2978267A1 (en) | 2011-07-18 | 2013-01-25 | St Microelectronics Rousset | METHOD AND DEVICE FOR CONTROLLING AN APPARATUS BASED ON THE DETECTION OF PERSONS NEAR THE DEVICE |
JP5919952B2 (en) * | 2012-03-29 | 2016-05-18 | 大日本印刷株式会社 | Sheet coil, optical sheet, manufacturing method thereof, and manufacturing method of display device |
JP5667258B1 (en) * | 2013-08-12 | 2015-02-12 | Necプラットフォームズ株式会社 | Structure |
KR102053442B1 (en) * | 2013-10-22 | 2019-12-06 | 엘지디스플레이 주식회사 | Optical sheet and liquid crystal display device comprising the same |
DE102014206611A1 (en) | 2014-04-04 | 2015-10-08 | Bastian Humberg | Protective sleeve made of shrink film for electronic devices |
US20160011346A1 (en) * | 2014-07-14 | 2016-01-14 | Sergiy Vasylyev | High incidence angle retroreflective sheeting |
JP6624714B2 (en) * | 2015-05-29 | 2019-12-25 | 信越ポリマー株式会社 | Light transmission direction control sheet, lighting device and light sensor device |
CN105204099B (en) * | 2015-09-21 | 2017-12-19 | 东莞市纳利光学材料有限公司 | A kind of peep-proof brightness enhancement film and preparation method thereof |
JP2019501416A (en) | 2015-12-09 | 2019-01-17 | スリーエム イノベイティブ プロパティズ カンパニー | Optical laminate |
KR101928135B1 (en) * | 2015-12-31 | 2018-12-11 | 서울과학기술대학교 산학협력단 | Optical film for display and display device comprising the same |
JP6944654B2 (en) * | 2016-09-13 | 2021-10-06 | 大日本印刷株式会社 | Optical member, liquid crystal display device |
WO2018129073A1 (en) * | 2017-01-04 | 2018-07-12 | 3M Innovative Properties Company | Light control film for display assemblies |
KR101848196B1 (en) | 2017-01-16 | 2018-04-16 | 서울과학기술대학교 산학협력단 | Optical film and display device using the same |
KR102079137B1 (en) * | 2017-10-20 | 2020-02-19 | 주식회사 엘지화학 | Optical isolating device |
JP6840899B2 (en) * | 2017-10-20 | 2021-03-10 | エルジー・ケム・リミテッド | Optical isolation device |
KR102096266B1 (en) * | 2017-12-15 | 2020-04-02 | 주식회사 엘지화학 | Optical isolating device |
WO2019117615A1 (en) * | 2017-12-15 | 2019-06-20 | 주식회사 엘지화학 | Optical isolation device |
FR3081769B1 (en) | 2018-05-31 | 2023-04-28 | Saint Gobain | LAMINATED FILTERING STRUCTURE |
JP7445211B2 (en) * | 2019-09-25 | 2024-03-07 | 大日本印刷株式会社 | Optical sheet and its manufacturing method |
CN112965228B (en) * | 2021-03-19 | 2023-01-31 | 重庆京东方显示照明有限公司 | Peep-proof film, display panel and display device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5557433A (en) * | 1994-02-28 | 1996-09-17 | Nec Corporation | Transmissive liquid crystal display having prism lens film for light illumination and wave lens film for light diffusion |
JPH09179107A (en) * | 1995-12-22 | 1997-07-11 | Nippon Kayaku Co Ltd | Liquid crystal display device |
US6609807B2 (en) * | 2000-08-07 | 2003-08-26 | Sharp Kabushiki Kaisha | Backlight and liquid crystal display device |
US20050140885A1 (en) * | 2002-07-12 | 2005-06-30 | Leidig Carl F. | Optical exposure apparatus and method for aligning a substrate |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0821748A (en) * | 1994-07-07 | 1996-01-23 | Nippondenso Co Ltd | Display device |
JP2004109615A (en) * | 2002-09-19 | 2004-04-08 | Three M Innovative Properties Co | Analog display device |
JP2005084172A (en) * | 2003-09-05 | 2005-03-31 | Calsonic Kansei Corp | Display unit for vehicle |
-
2006
- 2006-04-07 JP JP2006106231A patent/JP2007279424A/en active Pending
-
2007
- 2007-04-04 WO PCT/US2007/065965 patent/WO2007118122A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5557433A (en) * | 1994-02-28 | 1996-09-17 | Nec Corporation | Transmissive liquid crystal display having prism lens film for light illumination and wave lens film for light diffusion |
JPH09179107A (en) * | 1995-12-22 | 1997-07-11 | Nippon Kayaku Co Ltd | Liquid crystal display device |
US6609807B2 (en) * | 2000-08-07 | 2003-08-26 | Sharp Kabushiki Kaisha | Backlight and liquid crystal display device |
US20050140885A1 (en) * | 2002-07-12 | 2005-06-30 | Leidig Carl F. | Optical exposure apparatus and method for aligning a substrate |
Also Published As
Publication number | Publication date |
---|---|
JP2007279424A (en) | 2007-10-25 |
WO2007118122A2 (en) | 2007-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007118122A3 (en) | Anti-snooping sheet and display device comprising the same | |
US9611991B2 (en) | Light cover for an elongate illumination system | |
GB0611655D0 (en) | A re-writeable optical element and display, reflector and backlight incorporating the same | |
EP1715366B8 (en) | Optical package, optical lens and backlight assembly having the same | |
DK1819525T3 (en) | Security element with an aspect dependent on the viewing angle | |
TWI346813B (en) | Diffuser plate and backlight module using the same | |
WO2008093426A1 (en) | Backlight unit | |
WO2008060630A3 (en) | Internal noise reducing structures in camera systems employing an optics stack and associated methods | |
JP2008527408A5 (en) | ||
WO2006052755A3 (en) | Long curved wedges in an optical film | |
WO2008020899A3 (en) | Arrayed imaging systems and associated methods | |
WO2005069081A3 (en) | Polarization-modulating optical element | |
WO2008139914A1 (en) | Reflective screen and front-projection display system | |
TW200643565A (en) | Optical member, backlight assembly having the same and liquid crystal display device having the same | |
EP1895772A3 (en) | Projection display apparatus and image forming apparatus | |
WO2009044520A1 (en) | Light diffusion sheet and liquid crystal display device | |
WO2009054446A1 (en) | Diffusion sheet | |
WO2009031266A1 (en) | Display device provided with touch panel and method for manufacturing the display device | |
WO2009041503A1 (en) | Optical sheet, video source unit, display device, optical sheet manufacturing method and display device manufacturing method | |
TW200732759A (en) | Optical structures that provide directionally enhanced luminance | |
WO2009025089A1 (en) | Natural lighting device | |
WO2009028125A1 (en) | Light-emitting element and display unit having the same | |
TW200717038A (en) | Prism member, backlight assembly provided with the same, and display device provided with the same | |
WO2007016103A3 (en) | Outbuilding with integrated advertising | |
TWI367365B (en) | A backlight module and the light diffusing module thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07760104 Country of ref document: EP Kind code of ref document: A2 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 07760104 Country of ref document: EP Kind code of ref document: A2 |