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1.发明公开METHODS AND APPARATUS FOR TRANSPARENT DISPLAY USING SCATTERING NANOPARTICLES 有权方法和设备有纳米颗粒SPREAD透明显示
公开(公告)号：EP2929522A1
公开(公告)日：2015-10-14
申请号：EP13870062.0
申请日：2013-12-30
发明人： HSU, Chia, Wei , QIU, Wenjun , ZHEN, Bo , SHAPIRA, Ofer , SOLJAIC, Marin
CPC分类号： G02B27/01 , G02B5/0242 , G02B2207/101 , G02F1/0126 , G02F1/19 , G02F1/23 , G03B21/62 , G03B35/26 , H04N13/337
摘要： Transparent displays enable many usefiil applications, including heads-up displays for cars and aircraft as well as displays on eyeglasses and glass windows. Unfortunately, transparent displays made of organic light-emitting diodes are typically expensive and opaque. Heads-up displays often require fixed light sources and have limited viewing angles. And transparent displays that use frequency conversion are typically energy inefficient. Conversely, the present transparent displays operate by scattering visible light from resonant nanoparticles with narrowband scattering cross sections and small absorption cross sections. More specifically, projecting an image onto a transparent screen doped with nanoparticles that selectively scatter light at the image wavelength(s) yields an image on the screen visible to an observer. Because the nanoparticles scatter light at only certain wavelengths, the screen is practically transparent under ambient light. Exemplary transparent scattering displays can be simple, inexpensive, scalable to large sizes, viewable over wide angular ranges, energy efficient, and transparent simultaneously.
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2.发明授权
公开(公告)号：EP2929522B1
公开(公告)日：2018-04-25
申请号：EP13870062.0
申请日：2013-12-30
发明人： HSU, Chia Wei , QIU, Wenjun , ZHEN, Bo , SHAPIRA, Ofer , SOLJAIC, Marin
CPC分类号： G02B27/01 , G02B5/0242 , G02B2207/101 , G02F1/0126 , G02F1/19 , G02F1/23 , G03B21/62 , G03B35/26 , H04N13/337
摘要： Transparent displays enable many usefiil applications, including heads-up displays for cars and aircraft as well as displays on eyeglasses and glass windows. Unfortunately, transparent displays made of organic light-emitting diodes are typically expensive and opaque. Heads-up displays often require fixed light sources and have limited viewing angles. And transparent displays that use frequency conversion are typically energy inefficient. Conversely, the present transparent displays operate by scattering visible light from resonant nanoparticles with narrowband scattering cross sections and small absorption cross sections. More specifically, projecting an image onto a transparent screen doped with nanoparticles that selectively scatter light at the image wavelength(s) yields an image on the screen visible to an observer. Because the nanoparticles scatter light at only certain wavelengths, the screen is practically transparent under ambient light. Exemplary transparent scattering displays can be simple, inexpensive, scalable to large sizes, viewable over wide angular ranges, energy efficient, and transparent simultaneously.
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