WO2019143262A1 - Système de vitres teintées avec fonction de régulation d'obscurcissement - Google Patents

Système de vitres teintées avec fonction de régulation d'obscurcissement Download PDF

Info

Publication number
WO2019143262A1
WO2019143262A1 PCT/RU2018/000167 RU2018000167W WO2019143262A1 WO 2019143262 A1 WO2019143262 A1 WO 2019143262A1 RU 2018000167 W RU2018000167 W RU 2018000167W WO 2019143262 A1 WO2019143262 A1 WO 2019143262A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
glass
filter
transparent electrodes
pair
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/RU2018/000167
Other languages
English (en)
Russian (ru)
Inventor
Иван Викторович ЧЕПУРИН
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2019143262A1 publication Critical patent/WO2019143262A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
    • B60J3/06—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles using polarising effect
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • 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

Definitions

  • the utility model relates to the light-shielding device of the window of the facade of a building / structure or vehicle, in particular, to the translucent window / glass unit construction, and can be used for glazing all types of windows and doors in the facades of buildings and structures, as well as in the automotive industry.
  • a device for the protection of a window containing thin, transparent walls made of sheet glass or similar material, separated from each other by a small gap, which is filled with a suspension containing fine particles, and an energy source with wires (GB 1385505, 02.26.1975).
  • the disadvantage of this device is low efficiency in adjusting the level of darkening, brightness, difficulty in operation and the presence of a “mirror effect”.
  • the technical problem addressed by the proposed utility model is the need to expand the arsenal of the window lighting protection device, the parameters whose characteristics provide enhanced functionality by adjusting the dimming level, ensuring control of the amount of light passing through the window, and eliminating the “mirror effect”.
  • the technical result achieved in the implementation of this utility model is to improve the operational characteristics of the window light-shielding device by adjusting the level / degree of dimming, brightness and eliminating glare.
  • a horizontal filter is a polarizer that allows only horizontally oriented light to pass through.
  • the vertical filter is a polarizer that allows only vertically oriented light to pass through.
  • the power source is autonomous (can be powered from the on-board network — for example, cars) or mains (when powered from the network, special sources of secondary power are used — network adapters. They can be built into the case of powered devices or performed as separate devices).
  • the transparent electrodes are solid and contain a transparent conductive layer, and any type of transparent conductive films can be used for the electrodes, for example, an In203 film (ITO - Indium Tin Oxide).
  • This constructive implementation of the device (module) of window light protection provides the ability to adjust the level / degree of dimming, brightness and eliminates glare, which improves performance (improves the technical characteristics of the window light protection device) and expands the scope of the claimed utility model in glazing of all types of windows and doors area and automotive.
  • the device of light protection of the window is a layered structure enclosed in a metal frame around the perimeter, and can be made in the form of triplex.
  • the device of the light shielding of the window contains glass 1 with solid transparent electrodes 2 attached to them from the inside, connected to the power source 7.
  • the transparent electrode 2 is a conductor film (conductive layer). Between the transparent electrodes 2 is placed a liquid crystal layer 5, which is a liquid crystal matrix (LCD matrix, TN matrix (Twist Nematic)) of a polymer with liquid crystals, such as PDLC or LCD.
  • LCD matrix liquid crystal matrix
  • TN matrix Transist Nematic
  • One of the transparent electrodes 2 is connected to the power source 7 through the rheostat 6.
  • Transparent electrode 2 together with glass 1 form a pair (electrode-glass), in each such pair between glass 1 and electrode 2 a filter is placed with a certain angle of polarization.
  • a horizontal filter 3 is placed in one of the glass-electrode pairs (a polarizer that transmits only horizontally oriented light), and the other glass-electrode pair has a vertical filter 4 (a polarizer that transmits only vertically oriented light).
  • filters are installed that have perpendicular polarization angles to absorb light, that is, the direction of the polarization axis of the subsequent filter is at right angles to the polarization axis of the previous filter. If there were no liquid crystals between the filters, the light transmitted by the first filter would be almost completely blocked by the second filter.
  • the device is based on the principle of light polarization based on two filters (light filters) and liquid crystals.
  • the liquid crystal layer which is a liquid crystal matrix, refers to a passive type of indicator that modulates the external light flux under the action of an electric field or current.
  • the operation of the liquid crystal matrix is based on the use of the rotation effect of the plane of polarization of light by a layer of a twisted namatic LC material (twist effect).
  • the surface of the electrodes, in contact with liquid crystals, is specially processed for the initial orientation of the molecules in one direction and is a conductor film (transparent conductive layer), on the inner side of which a pattern of addressing electrodes is applied and as which Ih 2 0 3 film can be used ( ITO - Indium Tin Oxide).
  • a glass plate with a thickness of up to 1 mm can be used as the base (substrates) of transparent electrodes.
  • the indicated directions are mutually perpendicular, therefore, in the absence of voltage, the molecules are arranged in a helical (spiral) structure of molecules of the LC material.
  • This structure refracts light in such a way that before the second filter its polarization plane rotates and the light passes through it without loss. That is, the flow of light passes through a horizontal filter (first filter / polaroid), while a portion of the luminous flux that does not have azimuthal polarization is lost on the said filter, and the rest of the stream, already polarized light, passes through the layer of the LCD material, turns the plane of polarization on 90 ° and the polarization plane orientation of this flux now coincides with the polarization plane of the vertical filter (second filter / polaroid), and the flux passes through it almost without loss. Apart from the absorption by the first filter of half unpolarized light, the cell can be considered transparent.
  • the molecules tend to line up in the direction of the electric field, which distorts the helical structure (the spiral structure in the layer of the LC material is destroyed and loses the properties of birefringence).
  • the elastic forces counteract this, and when the voltage is turned off, the molecules return to their original position. With almost all molecules become parallel to a sufficiently large field, which leads to an opacity of the structure.
  • the light flux passing through the liquid crystal layer does not change the polarization plane and is almost completely absorbed in the vertical (second) filter, the polarization plane of which is shifted by 90 ° with respect to the polarization plane of the light flux.
  • a rheostat in the device allows you to adjust the strength of the current on which the magnetic field strength is proportional, which in turn affects the position of the liquid crystals in space. By varying the voltage, you can control the degree of transparency (the penetration of the light wave varies from 0% to 100%).
  • the liquid crystal structure may degrade due to the migration of ions.
  • an alternating current or a change in the polarity of the field is applied at each addressing of the cell (since the change in transparency occurs when the current is turned on, regardless of its polarity).
  • each of the cells can be controlled individually, but with an increase in their number, this becomes difficult because the number of required electrodes increases. Therefore, addressing in rows and columns is used almost everywhere.
  • the device can additionally consist of high-precision electronics processing the input voltage signal, an LCD matrix (monochrome or polychrome), a power source (block) and a housing with control elements.
  • LCD matrix monoochrome or polychrome
  • power source block
  • housing with control elements.
  • a utility model can be performed as a single cell, or as a combination of a plurality of cells.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Structural Engineering (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Mathematical Physics (AREA)
  • Civil Engineering (AREA)
  • Liquid Crystal (AREA)

Abstract

Le modèle d'utilité concerne un dispositif protection contre la lumière d'une fenêtre de façade d'un bâtiment / ouvrage ou d'un moyen de transport et vise à améliorer les caractéristiques fonctionnelles d'un dispositif protection contre la lumière d'une fenêtre grâce à la fonction de régulation du degré/ niveau d'obscurcissement, de luminance et à l'élimination des reflets. Ce résultat technique en termes de protection d'une fenêtre contre la lumière est obtenu dans un dispositif qui comprend des vitres, des électrodes transparentes appliquées à la surface interne de chaque vitre pour former une paire et branchées à une source d'alimentation, ainsi qu'une couche de cristaux liquides disposée entre les électrodes transparentes, et ce grâce au fait que entre la vitre et l'électrode transparente on a disposé un filtre, qui est horizontal dans une paire et vertical dans une autre, un des électrodes transparentes étant reliée à la source d'alimentation via un rhéostat.
PCT/RU2018/000167 2018-01-19 2018-03-19 Système de vitres teintées avec fonction de régulation d'obscurcissement Ceased WO2019143262A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2018102075 2018-01-19
RU2018102075 2018-01-19

Publications (1)

Publication Number Publication Date
WO2019143262A1 true WO2019143262A1 (fr) 2019-07-25

Family

ID=67302430

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2018/000167 Ceased WO2019143262A1 (fr) 2018-01-19 2018-03-19 Système de vitres teintées avec fonction de régulation d'obscurcissement

Country Status (1)

Country Link
WO (1) WO2019143262A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0238164A1 (fr) * 1986-01-17 1987-09-23 Raychem Corporation Panneau à cristaux liquides
CN203228623U (zh) * 2013-05-09 2013-10-09 荣艳超 透射光强度可调的汽车用车窗
JP2016126289A (ja) * 2015-01-08 2016-07-11 大日本印刷株式会社 液晶セル、調光材及び合わせガラス

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0238164A1 (fr) * 1986-01-17 1987-09-23 Raychem Corporation Panneau à cristaux liquides
CN203228623U (zh) * 2013-05-09 2013-10-09 荣艳超 透射光强度可调的汽车用车窗
JP2016126289A (ja) * 2015-01-08 2016-07-11 大日本印刷株式会社 液晶セル、調光材及び合わせガラス

Similar Documents

Publication Publication Date Title
Lampert Chromogenic smart materials
CN100456078C (zh) 可调式不透光的窗户
EP3978995A1 (fr) Verre commutable
US5940216A (en) Window tinting apparatus
JP2007515661A5 (fr)
Ghosh et al. Influence of atmospheric clearness on PDLC switchable glazing transmission
TWI696865B (zh) 多功能調光玻璃
EP3588176A1 (fr) Fenêtre d'isolation thermique réglable
US20170235165A1 (en) Optical device
US3841732A (en) Dipolar electro-optic structures and method
US20230236449A1 (en) Liquid crystal device comprising an interstitial substrate
US20230148148A1 (en) Single cell liquid crystal device comprising an interstitial substrate
US20180328102A1 (en) Combination dynamic and switchable window glass units
TW202040244A (zh) 可切換窗元件
CN111505857A (zh) 一种pdlc调光膜及调光玻璃
TW202219557A (zh) 智慧窗戶
CN100414376C (zh) 用于窗户、门、隔墙和建筑物正面的玻璃装置
RU187409U1 (ru) Тонировка с функцией регулировки затемнения
WO2019143262A1 (fr) Système de vitres teintées avec fonction de régulation d'obscurcissement
US20240192549A1 (en) Intelligent window
JP2017538967A (ja) 不透明度切替可能デバイス
JPS62115416A (ja) 液晶ブラインドガラス
TW202442859A (zh) 液晶可切換堆疊、液晶混合物、及具有液晶可切換堆疊之系統
RU132574U1 (ru) Жидкокристаллическое полимерное оптическое устройство с регулируемой прозрачностью
JP2018059985A (ja) 調光窓

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18900670

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18900670

Country of ref document: EP

Kind code of ref document: A1