Ana sayfa ÖNE ÇIKAN HABERLER Telefon Ekranındaki Pikselden Milyon Kat Daha Küçük Pikseller Üretildi

Telefon Ekranındaki Pikselden Milyon Kat Daha Küçük Pikseller Üretildi

Altın ve aktif polimerler kullanılarak bugüne kadar üretilmiş olan en küçük pikseller elde edildi.

Akıllı telefonların ekranları, monitör teknolojilerinin gelişime tanıklık etmiş olanlar için adeta bir mucize gibi. Tüplü CRT monitörlerden bugüne kadar olan yolculukta pikseller hayatımıza girdi ve birkaç inçlik alana binlercesi sığacak kadar küçüldüler.

Yeni bir teknoloji ise bu ekranları eski gösterecek yepyeni ekranların yolunu açmaya hazırlanıyor. Cambridge Üniversitesi’nden araştırmacılar, dünyadaki en küçük pikselleri üretmeyi başardı. Bu yeni pikseller telefonlardaki piksellerden milyon kat daha küçük.

Yeni pikselleri kullanarak devasa, esnek ekranlar üretmek görece olarak daha kolay olacak ve daha az enerji harcayacak. Bu teknolojinin temelinde ise altın tozunun aktif polimerle kaplanması yer alıyor. Sadece birkaç nanometrelik altın tozları, polianilin adı verilen bir aktif polimer ile kaplanarak ışığı tutan bir yansıtıcı yüzeye yerleştiriliyor. Polimere elektrik verildiğinde polimer kimyasal olarak değişerek pikselin de rengini değiştiriyor.

Bu pikselleri üretmek hem daha kolay hem de daha ucuz. Polimer kaplanan pikseller herhangi bir yüzeye püskürtme yöntemiyle uygulanabilir. Güneş ışığında görülebilecek kadar parlak olan bu yapılar bir renge büründüklerinde, kapatılana kadar o renkte kalıyorlar. Bu da potansiyel enerji tasarrufu açısından yeni pikselleri öne çıkarıyor.

Araştırmanın başındaki isim olan Jeremy Baumberg, ‘nano ölçekteki garip ışık fiziği sayesinde’ bir filmin onda birinden az kısmını bu piksellerle kaplamalarına rağmen görüntü almayı başardı. Bunun sebebi ise altın mimarisi sayesinde piksellerin görüntü alanının oldukça geniş hale gelmesi.

Ekip, piksel tasarımının alışılmış ekran ve işaretlerden çok daha büyük olabileceğini, bir binayı bile kaplayabileceğini söylüyor. Üstelik bu çalışmaların maliyetleri, normal bir ekranın maliyetinden daha ucuza gelebiliyor.

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