KR101691248B1 - 터치 및 사물 감지 디스플레이를 위한 조명 장치 - Google Patents

터치 및 사물 감지 디스플레이를 위한 조명 장치 Download PDF

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Publication number
KR101691248B1
KR101691248B1 KR1020127004312A KR20127004312A KR101691248B1 KR 101691248 B1 KR101691248 B1 KR 101691248B1 KR 1020127004312 A KR1020127004312 A KR 1020127004312A KR 20127004312 A KR20127004312 A KR 20127004312A KR 101691248 B1 KR101691248 B1 KR 101691248B1
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KR
South Korea
Prior art keywords
light
display
light guide
layer
vision
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Expired - Fee Related
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KR1020127004312A
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English (en)
Korean (ko)
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KR20120057618A (ko
Inventor
칼튼 포웰
프라풀라 마살카
티모시 라지
스티븐 바티체
Original Assignee
마이크로소프트 테크놀로지 라이센싱, 엘엘씨
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Publication of KR20120057618A publication Critical patent/KR20120057618A/ko
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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
    • G02F1/35—Non-linear optics
    • G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0025—Diffusing sheet or layer; Prismatic 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
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04109—FTIR in optical digitiser, i.e. touch detection by frustrating the total internal reflection within an optical waveguide due to changes of optical properties or deformation at the touch location

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Position Input By Displaying (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
KR1020127004312A 2009-08-21 2010-08-20 터치 및 사물 감지 디스플레이를 위한 조명 장치 Expired - Fee Related KR101691248B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US23596209P 2009-08-21 2009-08-21
US61/235,962 2009-08-21
US12/621,785 2009-11-19
US12/621,785 US8730212B2 (en) 2009-08-21 2009-11-19 Illuminator for touch- and object-sensitive display
PCT/US2010/046141 WO2011022632A2 (en) 2009-08-21 2010-08-20 Illuminator for touch- and object-sensitive display

Publications (2)

Publication Number Publication Date
KR20120057618A KR20120057618A (ko) 2012-06-05
KR101691248B1 true KR101691248B1 (ko) 2016-12-29

Family

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KR1020127004312A Expired - Fee Related KR101691248B1 (ko) 2009-08-21 2010-08-20 터치 및 사물 감지 디스플레이를 위한 조명 장치

Country Status (10)

Country Link
US (1) US8730212B2 (enExample)
EP (1) EP2467753B1 (enExample)
JP (1) JP5639174B2 (enExample)
KR (1) KR101691248B1 (enExample)
CN (1) CN102472917A (enExample)
BR (1) BR112012003867A2 (enExample)
CA (1) CA2768070A1 (enExample)
MY (1) MY159236A (enExample)
RU (1) RU2532696C2 (enExample)
WO (1) WO2011022632A2 (enExample)

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Also Published As

Publication number Publication date
BR112012003867A2 (pt) 2016-03-29
EP2467753A2 (en) 2012-06-27
CN102472917A (zh) 2012-05-23
US8730212B2 (en) 2014-05-20
RU2012106118A (ru) 2013-08-27
US20110043490A1 (en) 2011-02-24
EP2467753B1 (en) 2016-11-09
WO2011022632A3 (en) 2011-07-21
RU2532696C2 (ru) 2014-11-10
WO2011022632A2 (en) 2011-02-24
JP2013502588A (ja) 2013-01-24
EP2467753A4 (en) 2014-07-16
MY159236A (en) 2016-12-30
KR20120057618A (ko) 2012-06-05
CA2768070A1 (en) 2011-02-24
JP5639174B2 (ja) 2014-12-10

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