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    • 1. 发明授权
    • Printing electronic and opto-electronic circuits
    • 印刷电子和光电子电路
    • US07404981B2
    • 2008-07-29
    • US10420565
    • 2003-04-21
    • Xiao-An ZhangR. Stanley WilliamsYong Chen
    • Xiao-An ZhangR. Stanley WilliamsYong Chen
    • B05D5/12C23C14/00
    • H05K3/105H01L51/0004H01L51/0021H01L51/0037H05K3/02H05K2201/0329H05K2203/0108H05K2203/1142
    • A method is provided for printing electronic and opto-electronic circuits. The method comprises: (a) providing a substrate; (b) providing a film-forming precursor species; (c) forming a substantially uniform and continuous film of the film-forming precursor species on at least one side of the substrate, the film having a first electrical conductivity; and (d) altering portions of the film with at least one conductivity-altering species to form regions having a second electrical conductivity that is different than the first electrical conductivity, the regions thereby providing circuit elements. The method employs very simple and continuous processes, which make the time to produce a batch of circuits very short and leads to very inexpensive products, such as electronic memories (write once or rewriteable), electronically addressable displays, and generally any circuit for which organic electronics or opto-electronics are acceptable.
    • 提供了一种印刷电子和光电子电路的方法。 该方法包括:(a)提供衬底; (b)提供成膜前体物质; (c)在所述基材的至少一侧上形成所述成膜前体物质的基本上均匀且连续的膜,所述膜具有第一导电性; 和(d)用至少一个导电性改变物质改变膜的部分,以形成具有不同于第一导电性的第二导电性的区域,由此提供电路元件。 该方法采用非常简单和连续的过程,这使得生产一批电路非常短并且导致非常便宜的产品的时间,例如电子存储器(一次写入或可重写),电子寻址显示器,以及通常用于有机 电子或光电子是可以接受的。
    • 2. 发明授权
    • Molecular devices activated by an electric field for electronic ink and other visual display
    • 通过电场激活的分子器件用于电子墨水等视觉显示
    • US06805817B2
    • 2004-10-19
    • US09932186
    • 2001-08-17
    • Xiao-An ZhangAlexandre BratkovskiYong ChenR. Stanley WilliamsKent D. Vincent
    • Xiao-An ZhangAlexandre BratkovskiYong ChenR. Stanley WilliamsKent D. Vincent
    • H01B112
    • G11C13/0014B82Y10/00C09D11/03C09D11/50C09K9/02G02B26/026G02F1/15G02F1/17G02F1/174G11C13/02G11C13/04G11C23/00G11C2213/14G11C2213/77
    • An electric field activated molecular system, preferably bi-stable, configured within an electric field generated by a pair of electrodes is provided for use, e.g., as electronic ink or other visual displays. The molecular system has an electric field induced band gap change that occurs via a change (reversible or irreversible) of the extent of the electron conjugation via chemical bonding change to change the band gap, wherein in a first state, there is substantial conjugation throughout the molecular system, resulting in a relatively smaller band gap, and wherein in a second state, the substantial conjugation is destroyed, resulting in a relatively larger band gap. The changing of substantial conjugation may be accomplished in one of the following ways: (1) charge separation or recombination accompanied by increasing or decreasing electron localization in the molecule; or (2) change of substantial conjugation via charge separation or recombination and&pgr;-bond breaking or making. A primary advantage of the molecular system is improved contrast. Because the colorant of the present invention is molecular and thus effectively monoplanar, there should be no backside reflection or excessive scattering from the colorant. A second advantage of the present invention is improved resolution. Finally, each molecule of the present invention will latch to stabilize one or the other of its color states.
    • 提供了在由一对电极产生的电场内配置的电场活化分子系统,优选双稳态,用于例如电子墨水或其它视觉显示器。 分子系统具有电场诱导的带隙变化,其通过经由化学键合改变的电子共轭程度的变化(可逆的或不可逆的)发生,以改变带隙,其中在第一状态下,在整个 分子系统,导致相对较小的带隙,并且其中在第二状态下,基本共轭被破坏,导致相对较大的带隙。 基本共轭的改变可以通过以下方式之一来实现:(1)伴随着分子中电子定位增加或减少的电荷分离或重组; 或(2)通过电荷分离或重组和断裂或制造改变基本共轭。 分子系统的主要优点是对比度提高。 因为本发明的着色剂是分子的,因此有效地是单面的,所以不应该有着色剂的背面反射或过度的散射。 本发明的第二个优点是分辨率提高。 最后,本发明的每个分子将锁定以稳定其一个或多个其颜色状态。
    • 5. 发明授权
    • Bottom electrode chemically-bonded Langmuir-Blodgett films via photolabile groups
    • 底部电极通过光不稳定组化学键合Langmuir-Blodgett薄膜
    • US07291514B2
    • 2007-11-06
    • US10792961
    • 2004-03-02
    • Zhang-Lin ZhouYong ChenXiao-An Zhang
    • Zhang-Lin ZhouYong ChenXiao-An Zhang
    • H01L51/40
    • G11C13/0009B05D1/204B05D3/061B82Y10/00B82Y30/00B82Y40/00G11C13/0014G11C2213/14G11C2213/77G11C2213/81H01L51/0075H01L51/0595
    • Langmuir-Blodgett films are provided in which a molecule is chemically bonded with a bottom electrode substrate as part of a crossed wire device comprising two electrodes and a molecular layer therebetween. The molecule, which comprises a switchable moiety and a connecting moiety, is provided with a photolabile capping group attached to the connecting moiety. The photolabile capping group temporarily caps the reactive connecting group of the molecule. The capped molecules are processed to form a LB film on the water-air interface of water. The films are then exposed to UV light. The photolabile capping group decomposes to give back the connecting group, which remains in the water. As the uncapped LB films are transferred to a bottom electrode substrate, the surface of the electrode reacts with the reactive connecting group of the molecule to form a chemically bonded LB layer on the substrate, thereby providing improved LB films.
    • 提供Langmuir-Blodgett膜,其中分子与底部电极基底化学键合,作为包括两个电极和其间的分子层的交叉线器件的一部分。 包含可切换部分和连接部分的分子具有连接到连接部分上的光不透明封端基团。 光敏封端组暂时封闭分子的反应性连接基团。 加热封端的分子在水的水 - 空气界面上形成LB膜。 然后将膜暴露于UV光。 光不稳定封盖组分解,使回流在水中的连接组。 由于未封装的LB膜转移到底部电极基板,电极的表面与分子的反应性连接基团反应,以在基板上形成化学键合的LB层,从而提供改进的LB膜。
    • 6. 发明授权
    • Nano optical sensors via molecular self-assembly
    • 纳米光学传感器通过分子自组装
    • US06815706B2
    • 2004-11-09
    • US10323139
    • 2002-12-17
    • Zhiyong LiYong ChenSean Xiao-An Zhang
    • Zhiyong LiYong ChenSean Xiao-An Zhang
    • H01L2906
    • H01L51/42H01L51/005H01L51/0071H01L51/0077H01L51/428Y02E10/549Y10S977/954
    • An optical sensor is provided, comprising (a) a silicon nanowire of finite length having an electrical contact pad at each end thereof; and (b) a plurality of self-assembled molecules on a surface of the silicon nanowire, the molecules serving to modulate electrical conductivity of the silicon nanowire by either a reversible change in dipole moment of the molecules or by a reversible molecule-assisted electron/energy transfer from the molecules onto the silicon nanowire. Further, a method of making the optical sensor is provided. The concept of molecular self-assembly is applied in attaching functional molecules onto silicon nanowire surfaces, and the requirement of molecule modification (hydroxy group in molecules) is minimal from the point view of synthetic difficulty and compatibility. Self-assembly will produce well-ordered ultra-thin films with strong chemical bonding on a surface that cannot be easily achieved by other conventional methods.
    • 提供了一种光学传感器,其包括(a)有限长度的硅纳米线,其每端具有电接触焊盘; 和(b)在硅纳米线的表面上的多个自组装分子,所述分子用于通过分子的偶极矩的可逆变化或通过可逆分子辅助电子/分子调制硅纳米线的导电性, 能量从分子转移到硅纳米线上。 此外,提供了制造光学传感器的方法。 分子自组装的概念应用于将功能分子附着在硅纳米线表面上,从合成难度和相容性的观点来看,分子修饰(分子中的羟基)的要求是最小的。 自组装将产生在表面上具有强化学键合的良好有序的超薄膜,其不能通过其它常规方法实现。
    • 7. 发明授权
    • Nano optical sensors via molecular self-assembly
    • 纳米光学传感器通过分子自组装
    • US07294526B2
    • 2007-11-13
    • US10917751
    • 2004-08-12
    • Zhiyong LiYong ChenSean Xiao-An Zhang
    • Zhiyong LiYong ChenSean Xiao-An Zhang
    • H01L51/40H01L21/00
    • H01L51/42H01L51/005H01L51/0071H01L51/0077H01L51/428Y02E10/549Y10S977/954
    • An optical sensor is provided, comprising (a) a silicon nanowire of finite length having an electrical contact pad at each end thereof; and (b) a plurality of self-assembled molecules on a surface of the silicon nanowire, the molecules serving to modulate electrical conductivity of the silicon nanowire by either a reversible change in dipole moment of the molecules or by a reversible molecule-assisted electron/energy transfer from the molecules onto the silicon nanowire. Further, a method of making the optical sensor is provided. The concept of molecular self-assembly is applied in attaching functional molecules onto silicon nanowire surfaces, and the requirement of molecule modification (hydroxy group in molecules) is minimal from the point view of synthetic difficulty and compatibility. Self-assembly will produce well-ordered ultra-thin films with strong chemical bonding on a surface that cannot be easily achieved by other conventional methods.
    • 提供了一种光学传感器,其包括(a)有限长度的硅纳米线,其每端具有电接触焊盘; 和(b)在硅纳米线的表面上的多个自组装分子,所述分子用于通过分子的偶极矩的可逆变化或通过可逆分子辅助电子/分子调制硅纳米线的导电性, 能量从分子转移到硅纳米线上。 此外,提供了制造光学传感器的方法。 分子自组装的概念应用于将功能分子附着在硅纳米线表面上,从合成难度和相容性的观点来看,分子修饰(分子中的羟基)的要求是最小的。 自组装将产生在表面上具有强化学键合的良好有序的超薄膜,其不能通过其它常规方法实现。
    • 10. 发明授权
    • Configurable nanoscale crossbar electronic circuits made by electrochemical reaction
    • 通过电化学反应制造的可配置的纳米级横梁电子电路
    • US06891744B2
    • 2005-05-10
    • US10289703
    • 2002-11-06
    • Yong ChenR. Stanley Williams
    • Yong ChenR. Stanley Williams
    • G11C13/02G11C13/00H01L21/31H01L21/44
    • G11C13/0009B82Y10/00G11C13/025G11C2213/34G11C2213/77G11C2213/81Y10S438/957Y10S977/936
    • Configurable electronic circuits comprise arrays of cross-points of one layer of metal/semiconductive nanoscale lines crossed by a second layer of metal/semiconductive nanoscale lines, with a configurable layer between the lines. Methods are provided for altering the thickness and/or resistance of the configurable layer by oxidation or reduction methods, employing a solid material as the configurable layer. Specifically a method is provided for configuring nanoscale devices in a crossbar array of configurable devices comprising arrays of cross-points of a first layer of nanoscale lines comprising a first metal or a first semiconductor material crossed by a second layer of nanoscale lines comprising a second metal or a second semiconductor material. The method comprises: (a) forming the first layer on a substrate; (b) forming a solid phase of a configurable material on the first layer at least in areas where the second layer is to cross the first layer; (c) forming the second layer on the configurable material, over the first layer; and (d) changing a property of the configurable material to thereby configure the nanoscale devices.
    • 可配置电子电路包括由第二层金属/半导体纳米级线交叉的一层金属/半导体纳米级线的交叉点阵列,其中线之间具有可配置层。 提供了通过使用固体材料作为可配置层的氧化或还原方法来改变可配置层的厚度和/或电阻的方法。 具体地,提供一种用于在可配置设备的交叉开关阵列中配置纳米级器件的方法,其包括第一纳米级线层的交点的阵列,其包括第一金属或第一半导体材料,所述第一金属或第一半导体材料由第二纳米级线交叉,所述第二金属或第二半导体材料包括第二金属 或第二半导体材料。 该方法包括:(a)在衬底上形成第一层; (b)至少在所述第二层与所述第一层交叉的区域中,在所述第一层上形成可配置材料的固相; (c)在所述可配置材料上形成在所述第一层上的所述第二层; 和(d)改变可配置材料的特性,从而配置纳米级器件。