BR112019011751A2 - elemento transparente em camadas compreendendo uma região de tela - Google Patents

elemento transparente em camadas compreendendo uma região de tela

Info

Publication number
BR112019011751A2
BR112019011751A2 BR112019011751A BR112019011751A BR112019011751A2 BR 112019011751 A2 BR112019011751 A2 BR 112019011751A2 BR 112019011751 A BR112019011751 A BR 112019011751A BR 112019011751 A BR112019011751 A BR 112019011751A BR 112019011751 A2 BR112019011751 A2 BR 112019011751A2
Authority
BR
Brazil
Prior art keywords
zone
light reflection
screen
diffused light
reflection
Prior art date
Application number
BR112019011751A
Other languages
English (en)
Inventor
Ozanam Cécile
Schiavoni Michele
Gayout Patrick
Original Assignee
Saint Gobain
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 Saint Gobain filed Critical Saint Gobain
Publication of BR112019011751A2 publication Critical patent/BR112019011751A2/pt

Links

Classifications

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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
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    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Laminated Bodies (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

um elemento (101) é revelado, o qual compreende duas camadas externas transparentes (2, 4) tendo aproximadamente o mesmo índice refrativo (n2, n4) e cada uma tendo uma superfície lisa externa principal (2a, 4a), o elemento em camadas compreendendo: - uma região de tela - uma zona de tela (ze) com propriedades de reflexão difusa e transmissão especular compreendendo uma camada intermediária texturizada (3e) interposta entre as camadas externas (2, 4), - uma zona periférica (zp) com propriedades de reflexão especular e transmissão especular, e - uma zona de transição (zt) com propriedades de reflexão difusa e transmissão especular entre a zona de tela (ze) e a zona periférica (zp), que compreende uma camada intermediária texturizada (3t) interposta entre as camada externas (2, 4). a reflexão de luz difusa em qualquer ponto da zona de transição é menor do que ou igual à reflexão de luz difusa em qualquer ponto na zona de tela e a variação da reflexão de luz difusa na zona de transição da zona de tela à zona periférica, em qualquer direção de junção da zona de tela à zona periférica é decrescente ou de modo tal que a curva que passa através do valor de reflexão de luz difusa na junção da zona de transição com a zona de tela e através da máxima local ou de cada máxima local da variação da reflexão de luz difusa na zona de transição é decrescente.
BR112019011751A 2016-12-13 2017-12-13 elemento transparente em camadas compreendendo uma região de tela BR112019011751A2 (pt)

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FR1662388A FR3059938A1 (fr) 2016-12-13 2016-12-13 Element en couches transparent comportant une zone ecran
PCT/FR2017/053538 WO2018109375A1 (fr) 2016-12-13 2017-12-13 Element en couches transparent comportant une zone ecran

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FR3059938A1 (fr) 2018-06-15
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JP7451179B2 (ja) 2024-03-18
KR20190098179A (ko) 2019-08-21
EP3554826B1 (fr) 2020-11-11
HUE052775T2 (hu) 2021-05-28
WO2018109375A1 (fr) 2018-06-21
US20200096854A1 (en) 2020-03-26
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KR102482628B1 (ko) 2023-01-02
EP3554826A1 (fr) 2019-10-23
PL3554826T3 (pl) 2021-03-08
ES2836907T3 (es) 2021-06-28
MX2019006842A (es) 2019-08-16
US10739669B2 (en) 2020-08-11
CN108521766B (zh) 2020-11-13
RU2757015C2 (ru) 2021-10-08
CA3046177A1 (fr) 2018-06-21
RU2019120999A3 (pt) 2021-03-19

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