Semiconductor saturable absorber reflector and method to fabricate thereof
    172.
    发明授权
    Semiconductor saturable absorber reflector and method to fabricate thereof 有权
    半导体可饱和吸收体反射体及其制造方法

    公开(公告)号:US08179943B2

    公开(公告)日:2012-05-15

    申请号:US11918043

    申请日:2005-04-06

    Abstract: A design of a semiconductor saturable absorber that offers a convenient and reliable way to control/decrease the recovery time of the absorption. The absorption recovery time is controlled during the epitaxial growth by using lattice-mismatched layer(s) to induce dislocations, and implicitly non-radiative recombination centers within the nonlinear absorbing region. These lattice reformation layer(s) are interposed between the distributed Bragg reflector and the nonlinear absorption region, containing quantum-wells, quantum-dots or bulk semiconductor material. The thickness and composition of the lattice reformation layer(s) is an instrumental to control the amount of non-radiative recombination centers used to trap the optically excited carriers generated in the absorption region.

    Abstract translation: 半导体可饱和吸收器的设计提供了一种方便可靠的方式来控制/减少吸收的恢复时间。 在外延生长期间通过使用晶格失配层诱导位错以及非线性吸收区内的隐式非辐射复合中心来控制吸收恢复时间。 这些晶格重构层被插入在分布布拉格反射器和包含量子阱,量子点或体半导体材料的非线性吸收区之间。 晶格重构层的厚度和组成对于控制用于捕获在吸收区域中产生的光学激发载流子的非辐射复合中心的量是有用的。

    Semiconductor Saturable Absorber Reflector and Method to Fabricate Thereof
    173.
    发明申请
    Semiconductor Saturable Absorber Reflector and Method to Fabricate Thereof 有权
    半导体可饱和吸收反射器及其制造方法

    公开(公告)号:US20090296767A1

    公开(公告)日:2009-12-03

    申请号:US11918043

    申请日:2005-04-06

    Abstract: A design of a semiconductor saturable absorber that offers a convenient and reliable way to control/decrease the recovery time of the absorption. The absorption recovery time is controlled during the epitaxial growth by using lattice-mismatched layer(s) to induce dislocations, and implicitly non-radiative recombination centers within the nonlinear absorbing region. These lattice reformation layer(s) are interposed between the distributed Bragg reflector and the nonlinear absorption region, containing quantum-wells, quantum-dots or bulk semiconductor material. The thickness and composition of the lattice reformation layer(s) is an instrumental to control the amount of non-radiative recombination centers used to trap the optically excited carriers generated in the absorption region.

    Abstract translation: 半导体可饱和吸收器的设计提供了一种方便可靠的方式来控制/减少吸收的恢复时间。 在外延生长期间通过使用晶格失配层诱导位错以及非线性吸收区内的隐式非辐射复合中心来控制吸收恢复时间。 这些晶格重构层被插入在分布布拉格反射器和包含量子阱,量子点或体半导体材料的非线性吸收区之间。 晶格重构层的厚度和组成对于控制用于捕获在吸收区域中产生的光学激发载流子的非辐射复合中心的量是有用的。

    Switchable polymer-dispersed liquid crystal optical elements
    174.
    发明授权
    Switchable polymer-dispersed liquid crystal optical elements 失效
    可切换聚合物分散液晶光学元件

    公开(公告)号:US07583423B2

    公开(公告)日:2009-09-01

    申请号:US11268584

    申请日:2005-11-08

    Abstract: Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches and switchable transmission, and reflection red, green, and blue lenses. The PDLC material offers all of the features of holographic photopolymers with the added advantage that the hologram can be switched on and off with the application of an electric field. The material is a mixture of a polymerizable monomer and liquid crystal, along with other ingredients, including a photoinitiator dye. Upon irradiation, the liquid crystal separates as a distinct phase of nanometer-size droplets aligned in periodic channels forming the hologram. The material is called a holographic polymer-dispersed liquid crystal (H-PDLC).

    Abstract translation: 透射和反射型全息图可以利用新型聚合物分散液晶(PDLC)材料和其独特的开关特性来形成光学元件。 这些可切换全息图的应用包括通信开关和可切换传输以及反射红色,绿色和蓝色透镜。 PDLC材料提供全息光聚合物的所有特征,附加的优点是可以通过施加电场来打开和关闭全息图。 该材料是可聚合单体和液晶的混合物,以及其它成分,包括光引发剂染料。 在照射时,液晶分离为在形成全息图的周期性通道中对齐的纳米尺寸液滴的不同相位。 该材料称为全息聚合物分散液晶(H-PDLC)。

    REFLECTIVE SPATIAL LIGHT MODULATOR
    175.
    发明申请
    REFLECTIVE SPATIAL LIGHT MODULATOR 有权
    反射空间光调制器

    公开(公告)号:US20090147161A1

    公开(公告)日:2009-06-11

    申请号:US12327259

    申请日:2008-12-03

    Abstract: The present invention relates to a reflective spatial light modulator enabling improvement of light resistance and prevention of damaging of the liquid crystal layer. The reflective spatial light modulator controls phases of the incident light and a reflected light while reflecting light made incident from a front side, and comprises a liquid crystal layer, a dielectric multilayer film, and a phase shift layer. The liquid crystal layer is filled with a liquid crystal comprised of a light modulating material, and modulates the incident light. The dielectric multilayer film reflects the incident light. The phase shift layer is disposed between the liquid crystal layer and the dielectric multilayer film to shift phases of the incident light and the reflected light at an interface of the liquid crystal layer.

    Abstract translation: 本发明涉及能够改善耐光性并防止液晶层受损的反射空间光调制器。 反射空间光调制器控制入射光和反射光的相位,同时反射从正面入射的光,并且包括液晶层,电介质多层膜和相移层。 液晶层填充有由光调制材料构成的液晶,并调制入射光。 电介质多层膜反射入射光。 相移层设置在液晶层和电介质多层膜之间,以将液晶层的界面上的入射光和反射光的相位移位。

    Flexible micron-thin display device
    179.
    发明申请
    Flexible micron-thin display device 失效
    灵活的微米薄型显示装置

    公开(公告)号:US20040135745A1

    公开(公告)日:2004-07-15

    申请号:US10342544

    申请日:2003-01-15

    Inventor: Jaan Noolandi

    Abstract: A reflective display device includes a flexible pouch of ordered copolymer layers with a lamellar structure and a solvent, the flexible pouch having at least a first and second surface. A substrate is placed in operative contact with a first surface of the flexible pouch. Thereafter, one of a pressure or heat application mechanism is placed in operative connection with at least one of the first and second surfaces of the flexible pouch. A controller operatively associated with one of the pressure or heat application mechanisms, is used to selectively apply pressure and/or heat to the flexible pouch. The application of the heat or pressure at a specific location on the flexible pouch results in a change of reflectivity in the ordered copolymer layers, thereby altering the color at that location.

    Abstract translation: 反射显示装置包括具有层状结构和溶剂的有序共聚物层的柔性袋,所述柔性袋具有至少第一和第二表面。 将基底放置成与柔性袋的第一表面有效接触。 此后,将压力或热施加机构中的一个放置成与柔性袋的第一和第二表面中的至少一个操作性连接。 可操作地与压力或热施加机构之一相关联的控制器用于选择性地向柔性袋施加压力和/或热量。 在柔性袋上的特定位置施加热或压力导致有序共聚物层中的反射率的变化,从而改变该位置处的颜色。

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