TWI257070B - A position encoded sensing device and a method thereof - Google Patents

A position encoded sensing device and a method thereof

Info

Publication number
TWI257070B
TWI257070B TW094100374A TW94100374A TWI257070B TW I257070 B TWI257070 B TW I257070B TW 094100374 A TW094100374 A TW 094100374A TW 94100374 A TW94100374 A TW 94100374A TW I257070 B TWI257070 B TW I257070B
Authority
TW
Taiwan
Prior art keywords
sensing device
position encoded
guiding layer
encoded sensing
light guiding
Prior art date
Application number
TW094100374A
Other languages
English (en)
Other versions
TW200529080A (en
Inventor
Chen-Hsien Liao
Hsu-Ping Tseng
Original Assignee
Au Optronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Au Optronics Corp filed Critical Au Optronics Corp
Publication of TW200529080A publication Critical patent/TW200529080A/zh
Application granted granted Critical
Publication of TWI257070B publication Critical patent/TWI257070B/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus
    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Human Computer Interaction (AREA)
  • Position Input By Displaying (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
TW094100374A 2004-02-19 2005-01-06 A position encoded sensing device and a method thereof TWI257070B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/780,702 US7385594B2 (en) 2004-02-19 2004-02-19 Position encoded sensing device and a method thereof

Publications (2)

Publication Number Publication Date
TW200529080A TW200529080A (en) 2005-09-01
TWI257070B true TWI257070B (en) 2006-06-21

Family

ID=34860895

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094100374A TWI257070B (en) 2004-02-19 2005-01-06 A position encoded sensing device and a method thereof

Country Status (4)

Country Link
US (1) US7385594B2 (zh)
JP (1) JP4159552B2 (zh)
CN (1) CN100350218C (zh)
TW (1) TWI257070B (zh)

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US8305361B2 (en) 2008-09-25 2012-11-06 Chimei Innolux Corporation Device and method for detecting position of object and image display system having such device

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JP5412868B2 (ja) * 2009-02-23 2014-02-12 エプソンイメージングデバイス株式会社 位置検出装置、電気光学装置及び電子機器
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KR100936666B1 (ko) * 2009-05-25 2010-01-13 전자부품연구원 적외선 스크린 방식의 투영 영상 터치 장치
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US9035911B2 (en) 2011-07-14 2015-05-19 3M Innovative Properties Company Digitizer using position-unique optical signals
CN103649879B (zh) * 2011-07-14 2017-05-10 3M创新有限公司 使用位置唯一性光学信号的数字化仪
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KR101453466B1 (ko) * 2012-11-16 2014-10-21 (주)펜제너레이션스 액정표시소자 및 이를 이용한 전자펜 시스템
KR20150004138A (ko) 2013-07-02 2015-01-12 삼성디스플레이 주식회사 위치 감지 시스템 및 그 구동 방법
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8305361B2 (en) 2008-09-25 2012-11-06 Chimei Innolux Corporation Device and method for detecting position of object and image display system having such device

Also Published As

Publication number Publication date
JP4159552B2 (ja) 2008-10-01
JP2005235174A (ja) 2005-09-02
CN1635338A (zh) 2005-07-06
US7385594B2 (en) 2008-06-10
US20050184964A1 (en) 2005-08-25
CN100350218C (zh) 2007-11-21
TW200529080A (en) 2005-09-01

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