1.0Design Buy Buildhttps://designbuybuild.co.ukLauren Holmeshttps://designbuybuild.co.uk/author/user/rich600338<blockquote class="wp-embedded-content" data-secret="V5SG6xYVoQ"><a href="https://designbuybuild.co.uk/sonte-uk-smart-glass-film/">SMART GLASS HAS GONE WIRELESS …….SONTE UK Smart Glass & Film specialise in switchable film installations</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://designbuybuild.co.uk/sonte-uk-smart-glass-film/embed/#?secret=V5SG6xYVoQ" width="600" height="338" title="“SMART GLASS HAS GONE WIRELESS …….SONTE UK Smart Glass & Film specialise in switchable film installations” — Design Buy Build" data-secret="V5SG6xYVoQ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,l){"use strict";var e=!1,o=!1;if(l.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=0;o<n.length;o++)n[o].style.display="none";for(o=0;o<i.length;o++)if(r=i[o],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=l.createElement("a"),a=l.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,a.host===s.host)if(l.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=l.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> https://designbuybuild.co.uk/wp-content/uploads/2017/02/window_room-2.jpg1200952The technology known as Polymer Dispersed Liquid Crystal (PDLC) film is based on LCD crystals sandwiched between layers of PET plastic film. When a current is applied to the film the crystals are aligned in the same direction and thus allow light to pass through but when switched off the crystals are misaligned with each other preventing light to pass through and thus the film becomes opaque.