WO2014137754A3 - Dispositif intégré électroluminescent et de détection de lumière - Google Patents

Dispositif intégré électroluminescent et de détection de lumière Download PDF

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Publication number
WO2014137754A3
WO2014137754A3 PCT/US2014/019097 US2014019097W WO2014137754A3 WO 2014137754 A3 WO2014137754 A3 WO 2014137754A3 US 2014019097 W US2014019097 W US 2014019097W WO 2014137754 A3 WO2014137754 A3 WO 2014137754A3
Authority
WO
WIPO (PCT)
Prior art keywords
light
light guide
detector
guide
reflective display
Prior art date
Application number
PCT/US2014/019097
Other languages
English (en)
Other versions
WO2014137754A2 (fr
Inventor
Russell Wayne Gruhlke
Jonathan Charles Griffiths
John M. Wyrwas
Ying Zhou
Xiquan Cui
Chung-Po Huang
Ron L. Feldman
Jacek Maitan
Khurshid S. Alam
James Chester Meador
Original Assignee
Qualcomm Mems Technologies, Inc.
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
Priority claimed from US13/787,448 external-priority patent/US20130181896A1/en
Application filed by Qualcomm Mems Technologies, Inc. filed Critical Qualcomm Mems Technologies, Inc.
Publication of WO2014137754A2 publication Critical patent/WO2014137754A2/fr
Publication of WO2014137754A3 publication Critical patent/WO2014137754A3/fr

Links

Classifications

    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual
    • 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
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2203/04108—Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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 Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Human Computer Interaction (AREA)
  • Planar Illumination Modules (AREA)
  • Details Of Measuring Devices (AREA)

Abstract

La présente invention porte sur des procédés et des dispositifs destinés à fournir un dispositif lumineux qui peut émettre une lumière et détecter une lumière. Selon un mode de réalisation, un dispositif 101 d'éclairage comprend un guide 105 de lumière ayant une première surface 201a plane, le guide 105 de lumière configuré de telle sorte qu'au moins une partie de lumière ambiante entre dans le guide 105 de lumière à travers la première surface 201a et se propage dans celui-ci, et au moins un détecteur 509a, 509b de lumière disposé le long d'un bord du guide 105 de lumière, le ou les détecteurs couplés optiquement au guide 105 de lumière pour recevoir une lumière se propageant dans celui-ci. Le détecteur 509a, 509b de lumière peut être configuré pour produire un signal de commande. Selon certains modes de réalisation, le dispositif 101 d'éclairage comprend également au moins un élément 203 d'orientation de lumière disposé sur la première surface 201a, le ou les éléments 203 d'orientation de lumière configurés pour diriger une lumière incidente dans le guide 105 de lumière à travers la première surface 201a.
PCT/US2014/019097 2013-03-06 2014-02-27 Dispositif intégré électroluminescent et de détection de lumière WO2014137754A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/787,448 2013-03-06
US13/787,448 US20130181896A1 (en) 2009-01-23 2013-03-06 Integrated light emitting and light detecting device

Publications (2)

Publication Number Publication Date
WO2014137754A2 WO2014137754A2 (fr) 2014-09-12
WO2014137754A3 true WO2014137754A3 (fr) 2014-10-16

Family

ID=50343830

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/019097 WO2014137754A2 (fr) 2013-03-06 2014-02-27 Dispositif intégré électroluminescent et de détection de lumière

Country Status (1)

Country Link
WO (1) WO2014137754A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105808017B (zh) * 2014-12-31 2023-10-24 鸿合科技股份有限公司 多扫描组覆盖的红外触摸屏
US20190200439A1 (en) * 2016-06-03 2019-06-27 Philips Lighting Holding B.V. Energy havesters as user interfaces
WO2019002093A1 (fr) * 2017-06-29 2019-01-03 Philips Lighting Holding B.V. Récepteur infrarouge intégré dans des panneaux à éclairage latéral
DE102020120159A1 (de) * 2020-07-30 2022-02-03 Carl Zeiss Jena Gmbh Detektorsystem
DE102020120158A1 (de) * 2020-07-30 2022-02-03 Carl Zeiss Jena Gmbh Detektorsystem
FI129781B (en) * 2020-10-26 2022-08-31 Teknologian Tutkimuskeskus Vtt Oy Device for checking visibility
CN112596637A (zh) * 2020-12-30 2021-04-02 深圳市华星光电半导体显示技术有限公司 触控面板及触控显示装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100187422A1 (en) * 2009-01-23 2010-07-29 Qualcomm Mems Technologies, Inc. Integrated light emitting and light detecting device
US20110128212A1 (en) * 2009-12-02 2011-06-02 Qualcomm Mems Technologies, Inc. Display device having an integrated light source and accelerometer
WO2013028467A1 (fr) * 2011-08-19 2013-02-28 Barnesandnoble.Com Llc Système d'éclairage frontal plan possédant un guide de lumière sur lequel sont formés des éléments de microdiffusion et son procédé de fabrication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100187422A1 (en) * 2009-01-23 2010-07-29 Qualcomm Mems Technologies, Inc. Integrated light emitting and light detecting device
US20110128212A1 (en) * 2009-12-02 2011-06-02 Qualcomm Mems Technologies, Inc. Display device having an integrated light source and accelerometer
WO2013028467A1 (fr) * 2011-08-19 2013-02-28 Barnesandnoble.Com Llc Système d'éclairage frontal plan possédant un guide de lumière sur lequel sont formés des éléments de microdiffusion et son procédé de fabrication

Also Published As

Publication number Publication date
WO2014137754A2 (fr) 2014-09-12

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