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    • 8. 发明申请
    • LIQUID CRYSTAL TUNABLE PLASMONIC COLOUR GENERATION DEVICE AND METHOD OF FABRICATING THE DEVICE
    • 液晶可调式色彩产生装置及其制造方法
    • WO2016064813A1
    • 2016-04-28
    • PCT/US2015/056373
    • 2015-10-20
    • UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
    • CHANDA, DebashisFRANKLIN, Daniel
    • G02F1/13G02F1/139G02F1/19B82Y20/00G02F1/1337
    • G02F1/133723B82Y20/00G02F1/1337G02F1/139G02F1/19G02F1/195G02F2202/40G02F2203/10G02F2203/34
    • Liquid crystal tunable plasmonic colour generation device (100) comprising a first substrate (102) provided with a transparent conductive layer (104) and an alignment layer (106), a second substrate (111) arranged to face the first substrate (102) and provided with an imprinted, nanostructured, plasmonic surface layer (110) preferably made of aluminium and arranged to face the alignment layer (106), and a high-birefringence liquid crystal layer (108) placed between the substrates (102,111) and having a birefringence at least equal to 0.3, wherein the alignment layer (106) is arranged to align the liquid crystal layer (108) homogeneously in the absence of an applied voltage. A portion of white light (101) comprising photons in the surface plasmon resonance frequency range is absorbed, when impinging on the device (100), while the remainder (115-1,115-2) is reflected and shows a colour; if a voltage is applied by a voltage source (122) to change the birefringence of the liquid crystal layer (108), reflected light (115-1,115-2) will show a colour change. The device (100) has a response speed of less than 90 milliseconds and a tunability range of over 100 nanometres.
    • 液晶可调谐等离子体激发色彩生成装置(100),包括设置有透明导电层(104)和取向层(106)的第一基板(102),与第一基板(102)相对配置的第二基板 设置有优选由铝制成且布置成面对取向层(106)的印刷的纳米结构的等离子体表面层(110)和放置在基板(102,111)之间并具有双折射的高双折射液晶层(108) 至少等于0.3,其中所述取向层(106)被布置成在没有施加电压的情况下均匀地对准所述液晶层(108)。 当表面等离子体共振频率范围内包含光子的白光(101)的一部分在撞击在装置(100)上时被​​吸收,而其余部分(115-1,115-2)被反射并显示颜色; 如果通过电压源(122)施加电压以改变液晶层(108)的双折射,则反射光(115-1,115-2)将显示颜色变化。 设备(100)具有小于90毫秒的响应速度和超过100纳米的可调范围。