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1. (WO2017192551) POLARIZED ELECTRO-OPTIC ELEMENT
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Pub. No.: WO/2017/192551 International Application No.: PCT/US2017/030588
Publication Date: 09.11.2017 International Filing Date: 02.05.2017
IPC:
G02F 1/153 (2006.01) ,B60R 1/02 (2006.01)
G PHYSICS
02
OPTICS
F
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1
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
01
for the control of the intensity, phase, polarisation or colour
15
based on electrochromic elements
153
Constructional arrangements
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
R
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
1
Optical viewing arrangements
02
Rear-view mirror arrangements
Applicants:
GENTEX CORPORATION [US/US]; 600 North Centennial Street Zeeland, Michigan 49464, US
Inventors:
LUTEN, Henry A.; US
TONAR, William L.; US
KLOEPPNER, Leroy J.; US
Agent:
CALLAGHAN, Terry S.; US
Priority Data:
62/331,21403.05.2016US
Title (EN) POLARIZED ELECTRO-OPTIC ELEMENT
(FR) ÉLÉMENT ÉLECTRO-OPTIQUE POLARISÉ
Abstract:
(EN) A vehicular rearview assembly is provided that includes a display configured to emit light of a first polarization. A reflective polarizer is positioned adjacent the display. The reflective polarizer is configured to transmit the light of the first polarization and reflect light of a second polarization and an electro-optic element is positioned on an opposite side of the reflective polarizer than the display. The electro-optic element is configured to transition between substantially clear and substantially darkened states. The electro-optic element includes a plurality of electrochromic molecules substantially aligned with the second polarization of the light such that the electro-optic element is configured to substantially absorb the light of the second polarization when in the darkened state.
(FR) L'invention concerne un ensemble rétroviseur de véhicule comprenant un affichage configuré pour émettre de la lumière d'une première polarisation. Un polariseur réfléchissant est placé adjacent à l'affichage. Le polariseur réfléchissant est configuré pour transmettre la lumière de la première polarisation et réfléchir de la lumière d'une deuxième polarisation, et un élément électro-optique est placé sur un côté du polariseur réfléchissant opposé à l'affichage. L'élément électro-optique selon l'invention est configuré pour passer d'un état sensiblement clair à un état sensiblement foncé. L'élément électro-optique comprend une pluralité de molécules électrochromiques sensiblement alignées avec la deuxième polarisation de la lumière, de sorte que l'élément électro-optique soit configuré pour absorber sensiblement la lumière de la deuxième polarisation lorsqu'il se trouve dans l'état foncé.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)