Title:
INFRARED REFLECTIVITY CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/205280
Kind Code:
A1
Abstract:
The invention relates to an infrared reflectivity control device comprising at least one cell (1) which forms a housing comprising a top cover (2) that is transparent in the visible range and a bottom plate (3) bearing at least two electrodes (4a, 4b) which can be connected to an electrical generator (5), the housing enclosing a fluid (6) that is transparent in the visible range and which is charged with particles (7). This device is characterised in that: - the top cover (2) and the fluid (6) are transparent in the wavelength range from 2.5 micrometres to 20 micrometres; - the electrodes (4a, 4b) are reflective in the infrared range; - the electrodes (4a, 4b) are asymmetric, a first electrode (4a) having a first surface area and a second electrode (4b) having a second surface area, the first surface area being greater than the second surface area; - the particles (7) are of nanometric particle size and comprise at least one material capable of being electrically charged (non-zero zeta potential).
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Inventors:
DUPONT LAURENT (FR)
CHRUN JONATHAN (FR)
VANCAEYZEELE CEDRIC (FR)
VIDAL FRÉDÉRIC (FR)
AUBERT PIERRE HENRI (FR)
LEGALL STEPHEN (FR)
FAGOUR SÉBASTIEN (FR)
PETITPAS ERIC (FR)
CHRUN JONATHAN (FR)
VANCAEYZEELE CEDRIC (FR)
VIDAL FRÉDÉRIC (FR)
AUBERT PIERRE HENRI (FR)
LEGALL STEPHEN (FR)
FAGOUR SÉBASTIEN (FR)
PETITPAS ERIC (FR)
Application Number:
PCT/IB2021/052578
Publication Date:
October 14, 2021
Filing Date:
March 29, 2021
Export Citation:
Assignee:
NEXTER SYSTEMS (FR)
INST MINES TELECOM (FR)
CY CERGY PARIS UNIV (FR)
INST MINES TELECOM (FR)
CY CERGY PARIS UNIV (FR)
International Classes:
G02F1/167; G02F1/1343; G02F1/1676; G02F1/16761; G02F1/16762; G02F1/1677
Foreign References:
US20180046055A1 | 2018-02-15 | |||
US20080211764A1 | 2008-09-04 | |||
US7034987B2 | 2006-04-25 | |||
US20090295765A1 | 2009-12-03 | |||
US20180267382A1 | 2018-09-20 | |||
US20080211764A1 | 2008-09-04 | |||
US7034987B2 | 2006-04-25 | |||
EP2992292A1 | 2016-03-09 | |||
EP3213146A1 | 2017-09-06 |
Attorney, Agent or Firm:
CABINET CHAILLOT (FR)
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