Klar und deutlich: Ein leistungsstarkes und schnelles elektrochromes Display (ECD) mit passiver Matrix wurde aus einem Leukofarbstoff und einer nanoporösen TiO2‐Elektrode konstruiert (siehe Bild). Die senkrechten Poren verhindern eine Bewegung der Farbstoffmoleküle und führen dadurch zu klaren Bildern bei hohen Frequenzen. Mit einer farbigen Variante dieses ECD könnten konkurrenzfähige elektrische Reflektivdisplays entwickelt werden.
JapanLaser speckle noise occurs owing to the strong interference that originates in the high coherency of laser light and the surface topography of screen. The suppression of the speckle noise is necessary for laser displays such as an image projection system. To reduce the speckle noise, we have tried to control the speckle pattern by using liquid crystals (LCs). In this paper, we offer an idea for suppressing the speckle noise using a polymer-dispersed LC (PDLC) cell in which the speckle pattern can be varied in addition to the optical diffusive effect.
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