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    • 32. 发明授权
    • Bus arrangement for a driver of a matrix display
    • 矩阵显示驱动器的总线布置
    • US06825836B1
    • 2004-11-30
    • US09700359
    • 2000-11-14
    • Roger Green StewartFrank Paul Cuomo
    • Roger Green StewartFrank Paul Cuomo
    • G09G500
    • G09G3/3688G09G2310/027G09G2310/0297G09G2320/0219
    • A demultiplexer applies picture information to pixels arranged in an array of a display device having columns and rows. The demultiplexer includes transistor switches each having a control terminal, an input terminal and an output terminal. A first bus couples switch control signals to the control terminals of the switches. The conductors of a first bus extend in a region containing each of the switches to form a global bus arrangement. Local buses have each conductors coupled to the input terminals of the switches associated with the individual local bus. The output terminals of the switches associated with the individual local bus are coupled to corresponding, consecutively disposed column conductors of the array. The individual local bus has a section that crosses over the first bus and a second section extending between the crossover section and the input terminals of the associated switches. The conductors of the second section extend in a region containing the associated switches and are absent from regions containing switches associated with the other local buses to obtain bus separation forming a local clustering bus arrangement.
    • 解复用器将图像信息应用于具有列和行的显示装置的阵列中布置的像素。 解复用器包括各自具有控制端子,输入端子和输出端子的晶体管开关。 第一总线将开关控制信号耦合到开关的控制端子。 第一总线的导体在包含每个开关的区域中延伸以形成全局总线布置。 本地总线具有耦合到与各个本地总线相关联的开关的输入端的每个导体。 与各个本地总线相关联的开关的输出端子耦合到阵列的相应的连续排列的列导体。 单独的本地总线具有跨越第一总线的部分和在交叉部分和相关联的开关的输入端之间延伸的第二部分。 第二部分的导体在包含相关联的开关的区域中延伸,并且不存在包含与其它局部总线相关联的开关的区域,以获得形成局部聚类总线布置的总线间隔。
    • 35. 发明授权
    • Poker chips and methods of reading the same
    • 扑克筹码和阅读方法相同
    • US08576078B2
    • 2013-11-05
    • US12732138
    • 2010-03-25
    • Roger Green Stewart
    • Roger Green Stewart
    • G08B13/14
    • G06K19/07773G06K7/10316G06K19/047G06K19/0702H01Q1/2225
    • A method for reading poker chips according to one embodiment includes sending out an interrogation signal; receiving responses from poker chips in response to the interrogation signal, each of the poker chips comprising a circuit and an antenna coupled to the circuit, wherein the antenna minimally affects electromagnetic RF fields surrounding the antenna even in the vicinity of the antenna; and determining a value of the poker chips from which responses are received. A poker chip according to another embodiment includes a circuit on or within a substrate; and an antenna coupled to the circuit, wherein the antenna minimally affects electromagnetic RF fields surrounding the antenna even in the vicinity of the antenna. Additional systems and methods are disclosed.
    • 根据一个实施例的读取扑克筹码的方法包括发送询问信号; 响应于询问信号接收来自扑克牌的响应,每个扑克筹码包括电路和耦合到该电路的天线,其中天线即使在天线附近也最小地影响天线周围的电磁RF场; 以及确定接收到响应的扑克筹码的值。 根据另一实施例的扑克芯片包括在基板上或内部的电路; 以及耦合到所述电路的天线,其中所述天线即使在所述天线附近也最小地影响所述天线周围的电磁RF场。 公开了附加的系统和方法。
    • 40. 发明授权
    • Thin-film transistor circuitry with reduced sensitivity to variance in transistor threshold voltage
    • 薄膜晶体管电路对晶体管阈值电压的变化灵敏度降低
    • US06307322B1
    • 2001-10-23
    • US09473504
    • 1999-12-28
    • Robin Mark Adrian DawsonZilan ShenAlfred Charles IpriRoger Green StewartMichael Gillis Kane
    • Robin Mark Adrian DawsonZilan ShenAlfred Charles IpriRoger Green StewartMichael Gillis Kane
    • G09G330
    • H01L27/12H01S5/042
    • A circuit design technique polysilicon thin-film transistor (TFT) circuitry produces circuits that are relatively less sensitive to threshold variations among the TFT's than circuits designed using conventional techniques. The circuit is designed such that thin-film transistors that are sensitive to threshold variations are made larger than other thin-film transistors in the circuitry to minimize threshold variations among similar transistors implemented in the circuit. In one embodiment, a pixel structure for an active matrix display device implemented in polysilicon includes two transistors, a select transistor and a drive transistor. The drive transistor in the pixel structure is a thin film metal oxide silicon (MOS) transistor that includes a gate to source capacitance sufficient to hold an electrical potential which keeps the transistor in a conducting state for an image field interval. One embodiment of the pixel structure includes only the select transistor and the drive transistor. The pixel storage capacitance is entirely realized by the gate to source capacitance of the drive transistor. Another embodiment of the pixel structure includes a capacitor which is much smaller than the capacitor of a conventional active matrix pixel structure. This capacitor holds the pixel in a non-illuminated state when the drive transistor is turned off. This pixel structure may be used with any display technology that uses an active matrix and stores image data on a capacitance in the pixel, including without limitation, organic light emitting diodes, electroluminescent devices, and inorganic light emitting diodes.
    • 电路设计技术多晶硅薄膜晶体管(TFT)电路产生对于TFT之间的阈值变化比对使用常规技术设计的电路相对较不敏感的电路。 电路被设计成使得对阈值变化敏感的薄膜晶体管比在电路中的其它薄膜晶体管大得多,以最小化在电路中实现的类似晶体管之间的阈值变化。 在一个实施例中,用于在多晶硅中实现的有源矩阵显示装置的像素结构包括两个晶体管,一个选择晶体管和一个驱动晶体管。 像素结构中的驱动晶体管是薄膜金属氧化物硅(MOS)晶体管,其包括足以保持电位的栅极 - 源极电容,其将晶体管保持在用于图像场间隔的导通状态。 像素结构的一个实施例仅包括选择晶体管和驱动晶体管。 像素存储电容完全由驱动晶体管的栅极到源极电容来实现。 像素结构的另一实施例包括比常规有源矩阵像素结构的电容器小得多的电容器。 当驱动晶体管关闭时,该电容器将像素保持在非照亮状态。 该像素结构可以与使用有源矩阵的任何显示技术一起使用,并且将图像数据存储在像素中的电容上,包括但不限于有机发光二极管,电致发光器件和无机发光二极管。