KR20140022843A - 터치 감지를 위한 광학 필터형 센서인픽셀 기술 - Google Patents

터치 감지를 위한 광학 필터형 센서인픽셀 기술 Download PDF

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Publication number
KR20140022843A
KR20140022843A KR1020137027531A KR20137027531A KR20140022843A KR 20140022843 A KR20140022843 A KR 20140022843A KR 1020137027531 A KR1020137027531 A KR 1020137027531A KR 20137027531 A KR20137027531 A KR 20137027531A KR 20140022843 A KR20140022843 A KR 20140022843A
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South Korea
Prior art keywords
layer
waveguide
frosting
display device
touch sensitive
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KR1020137027531A
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English (en)
Korean (ko)
Inventor
데이비드 엘리엇 슬로보딘
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퍼셉티브 픽셀 인코포레이티드
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Publication of KR20140022843A publication Critical patent/KR20140022843A/ko
Withdrawn legal-status Critical Current

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    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
KR1020137027531A 2011-04-19 2012-04-19 터치 감지를 위한 광학 필터형 센서인픽셀 기술 Withdrawn KR20140022843A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161477007P 2011-04-19 2011-04-19
US61/477,007 2011-04-19
PCT/US2012/034226 WO2012145496A1 (en) 2011-04-19 2012-04-19 Optical filtered sensor-in-pixel technology for touch sensing

Publications (1)

Publication Number Publication Date
KR20140022843A true KR20140022843A (ko) 2014-02-25

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KR1020137027531A Withdrawn KR20140022843A (ko) 2011-04-19 2012-04-19 터치 감지를 위한 광학 필터형 센서인픽셀 기술

Country Status (6)

Country Link
US (1) US20120268427A1 (enExample)
EP (1) EP2699990A4 (enExample)
JP (1) JP6018624B2 (enExample)
KR (1) KR20140022843A (enExample)
CN (1) CN103477312A (enExample)
WO (1) WO2012145496A1 (enExample)

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US10079326B2 (en) 2015-04-09 2018-09-18 Samsung Display Co. Ltd. Optical sensor and method of manufacture
US10747980B2 (en) 2017-08-16 2020-08-18 Lg Display Co., Ltd. Display device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170103755A (ko) * 2015-01-10 2017-09-13 레이아 인코포레이티드 격자 결합 광 가이드
US10079326B2 (en) 2015-04-09 2018-09-18 Samsung Display Co. Ltd. Optical sensor and method of manufacture
US10747980B2 (en) 2017-08-16 2020-08-18 Lg Display Co., Ltd. Display device

Also Published As

Publication number Publication date
EP2699990A1 (en) 2014-02-26
EP2699990A4 (en) 2015-01-21
JP2014512622A (ja) 2014-05-22
CN103477312A (zh) 2013-12-25
JP6018624B2 (ja) 2016-11-02
WO2012145496A1 (en) 2012-10-26
US20120268427A1 (en) 2012-10-25

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PA0105 International application

Patent event date: 20131018

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid