BR0201954A - Visor de gyricon fotocrÈmico - Google Patents

Visor de gyricon fotocrÈmico

Info

Publication number
BR0201954A
BR0201954A BR0201954-0A BR0201954A BR0201954A BR 0201954 A BR0201954 A BR 0201954A BR 0201954 A BR0201954 A BR 0201954A BR 0201954 A BR0201954 A BR 0201954A
Authority
BR
Brazil
Prior art keywords
rotating elements
rotating
display
photochromic
spiropyran
Prior art date
Application number
BR0201954-0A
Other languages
English (en)
Inventor
Daniel A Foucher
Raj D Patel
Naveen Chopra
Peter M Kazmaier
Erwin Buncel
James Wojtyk
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of BR0201954A publication Critical patent/BR0201954A/pt

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/026—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light based on the rotation of particles under the influence of an external field, e.g. gyricons, twisting ball displays
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/10—Spiro-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

"VISOR DE GYRICON FOTOCRÈMICO". Descreve-se um visor compreendendo uma disposição de vários elementos rotativos opticamente anisotrópicos, cada um dos elementos rotativos tendo uma superfície em contato com um fluido habilitante, os elementos rotativos sendo eletricamente dipolares na presença do fluido habilitante e, desse modo, sujeitos à rotação mediante aplicação de um campo elétrico, os elementos rotativos sendo livres para girar no lugar, mas não livres para trasladar substancialmente de modo a romper a disposição dos elementos rotativos, em que uma primeira parte da superfície contém uma mistura de um agente quelante e um material de espiropirano de fórmula em que n é um número inteiro representando o número de unidades repetitivas de -CH~ 2~- e R é -H ou -CH-CH~ 2~, e em que uma segunda parte da superfície não contém, substancialmente, qualquer espiropirano.
BR0201954-0A 2001-05-24 2002-05-24 Visor de gyricon fotocrÈmico BR0201954A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/864,386 US6549327B2 (en) 2001-05-24 2001-05-24 Photochromic gyricon display

Publications (1)

Publication Number Publication Date
BR0201954A true BR0201954A (pt) 2003-04-22

Family

ID=25343159

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0201954-0A BR0201954A (pt) 2001-05-24 2002-05-24 Visor de gyricon fotocrÈmico

Country Status (5)

Country Link
US (1) US6549327B2 (pt)
EP (1) EP1262817B1 (pt)
JP (1) JP3987764B2 (pt)
BR (1) BR0201954A (pt)
DE (1) DE60200854T2 (pt)

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US8262090B2 (en) * 2001-12-13 2012-09-11 The United States Playing Card Company Method, apparatus and article for random sequence generation and playing card distribution
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WO2010117776A2 (en) * 2009-03-30 2010-10-14 Massachusetts Institute Of Technology Patterning via optical-saturable transitions
CN102244049A (zh) * 2011-06-29 2011-11-16 鸿富锦精密工业（深圳）有限公司 电路板组件及其散热结构
AU2014295904B2 (en) 2013-08-02 2017-10-26 Commonwealth Scientific And Industrial Research Organisation A reversible light driven gas absorbent solution and process
WO2017061586A1 (ja) * 2015-10-08 2017-04-13 大日本印刷株式会社 粒子、光学シート、スクリーン、表示装置、粒子検査装置、及び粒子製造装置、並びに、粒子検査方法、粒子製造方法、スクリーン検査方法、及びスクリーン製造方法
US10545622B2 (en) * 2016-05-20 2020-01-28 E Ink Corporation Magnetically-responsive display including a recording layer configured for local and global write/erase
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CN111959054B (zh) * 2019-05-14 2022-05-13 黛玛诗时尚服装有限公司 阳光下变色面料
CN113891596B (zh) * 2021-09-27 2023-05-26 Oppo广东移动通信有限公司 装饰膜、其制备方法、壳体及电子设备

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Also Published As

Publication number Publication date
EP1262817B1 (en) 2004-08-04
EP1262817A1 (en) 2002-12-04
JP3987764B2 (ja) 2007-10-10
DE60200854T2 (de) 2004-12-30
US6549327B2 (en) 2003-04-15
US20020186450A1 (en) 2002-12-12
DE60200854D1 (de) 2004-09-09
JP2003075960A (ja) 2003-03-12

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 10A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2156 DE 02/05/2012.