BRPI0909099A2 - dispositivo de vídeo dotado de sensores óticos - Google Patents

dispositivo de vídeo dotado de sensores óticos

Info

Publication number
BRPI0909099A2
BRPI0909099A2 BRPI0909099A BRPI0909099A BRPI0909099A2 BR PI0909099 A2 BRPI0909099 A2 BR PI0909099A2 BR PI0909099 A BRPI0909099 A BR PI0909099A BR PI0909099 A BRPI0909099 A BR PI0909099A BR PI0909099 A2 BRPI0909099 A2 BR PI0909099A2
Authority
BR
Brazil
Prior art keywords
optical sensors
light
video device
infrared light
liquid crystal
Prior art date
Application number
BRPI0909099A
Other languages
English (en)
Inventor
Kubota Akinori
Fujioka Akizumi
Uehata Masaki
Gotoh Toshimitsu
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of BRPI0909099A2 publication Critical patent/BRPI0909099A2/pt

Links

Classifications

    • 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
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13312—Circuits comprising photodetectors for purposes other than feedback
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/11—Function characteristic involving infrared radiation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Position Input By Displaying (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

dispositivo de vídeo dotado de sensores óticos. a presente invenção refere-se a um painel de cristal líquido com sensores embutidos 11 inclui, em uma matriz de pixels 17, uma pluralidade de circuitos de pixel 1 e uma pluralidade de sensores óticos 2 que ficam bi-dimensionalmente dispostos. são providos filtros de transmissão de luz in-fravermelha 3 que permitem que uma luz infravermelha passe através dos mesmos e cortem uma luz visível nos respectivos percursos de luz que entra nos sensores óticos 2. uma luz de fundo 15 incluindo leds brancos 4 e leds infravermelhos 5 é provida sobre uma superfície traseira do painel de cristal líquido 11. com isto, a luz refletida da luz de fundo incluindo a luz in-fravermelha é detectada pelos sensores óticos 2 sem receber a influência da luz visível, e, assim, uma posição de toque é detectada com alta precisão, independentemente dos dados de imagem.
BRPI0909099A 2008-03-03 2009-02-16 dispositivo de vídeo dotado de sensores óticos BRPI0909099A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008052161 2008-03-03
PCT/JP2009/052479 WO2009110294A1 (ja) 2008-03-03 2009-02-16 光センサ付き表示装置

Publications (1)

Publication Number Publication Date
BRPI0909099A2 true BRPI0909099A2 (pt) 2019-02-26

Family

ID=41055855

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0909099A BRPI0909099A2 (pt) 2008-03-03 2009-02-16 dispositivo de vídeo dotado de sensores óticos

Country Status (7)

Country Link
US (1) US8416227B2 (pt)
EP (1) EP2249201A4 (pt)
JP (1) JP5208198B2 (pt)
CN (1) CN101960372B (pt)
BR (1) BRPI0909099A2 (pt)
RU (1) RU2456660C2 (pt)
WO (1) WO2009110294A1 (pt)

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Also Published As

Publication number Publication date
JP5208198B2 (ja) 2013-06-12
EP2249201A4 (en) 2011-08-10
US20110007047A1 (en) 2011-01-13
RU2010140395A (ru) 2012-04-10
CN101960372A (zh) 2011-01-26
US8416227B2 (en) 2013-04-09
CN101960372B (zh) 2012-07-18
RU2456660C2 (ru) 2012-07-20
JPWO2009110294A1 (ja) 2011-07-14
WO2009110294A1 (ja) 2009-09-11
EP2249201A1 (en) 2010-11-10

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B350 Update of information on the portal [chapter 15.35 patent gazette]