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    • 71. 发明授权
    • Control circuit and method for capacitor charging circuit
    • 电容充电电路的控制电路及方法
    • US08237415B2
    • 2012-08-07
    • US12255742
    • 2008-10-22
    • Tatsuya IwasakiIsao Yamamoto
    • Tatsuya IwasakiIsao Yamamoto
    • H02J7/00H02M7/5383H05B41/16
    • H02M3/33523G01R19/0084
    • An output voltage monitoring circuit monitors an output voltage of a capacitor charging circuit. A first sample-and-hold circuit samples and holds a voltage of a connection point of a primary coil of a transformer and a switching transistor. A first monitoring comparator compares output of the first sample-and-hold circuit with a predetermined first reference voltage. When the output of the first sample-and-hold circuit exceeds the first reference voltage, a signal processor executes predetermined signal processing. The first sample-and-hold circuit starts a sampling period after a predetermined first time has elapsed after the switching transistor is turned OFF. When a voltage drop across a detection resistor reaches a third reference voltage, the first sample-and-hold circuit ends the sampling period.
    • 输出电压监视电路监视电容器充电电路的输出电压。 第一采样保持电路对变压器的初级线圈和开关晶体管的连接点的电压进行采样并保持。 第一监视比较器将第一采样保持电路的输出与预定的第一参考电压进行比较。 当第一采样保持电路的输出超过第一参考电压时,信号处理器执行预定的信号处理。 第一采样保持电路在开关晶体管截止之后经过预定的第一时间之后开始采样周期。 当检测电阻上的电压降达到第三参考电压时,第一个采样和保持电路结束采样周期。
    • 77. 发明授权
    • Thin-film transistor and thin-film diode having amorphous-oxide semiconductor layer
    • 具有非晶氧化物半导体层的薄膜晶体管和薄膜二极管
    • US07964871B2
    • 2011-06-21
    • US12263157
    • 2008-10-31
    • Tatsuya Iwasaki
    • Tatsuya Iwasaki
    • H01L29/04
    • H01L29/7869
    • A thin-film transistor including a channel layer being formed of an oxide semiconductor transparent to visible light and having a refractive index of nx, a gate-insulating layer disposed on one face of the channel layer, and a transparent layer disposed on the other face of the channel layer and having a refractive index of nt, where there is a relationship of nx>nt. A thin-film transistor including a substrate having a refractive index of no, a transparent layer disposed on the substrate and having a refractive index of nt, and a channel layer disposed on the transparent layer and having a refractive index of nx, where there is a relationship of nx>nt>no.
    • 一种薄膜晶体管,包括由对可见光透明且具有折射率nx的氧化物半导体形成的沟道层,设置在沟道层的一个面上的栅极绝缘层和设置在另一个面上的透明层 的沟道层,折射率为nt,其中nx> nt的关系。 一种薄膜晶体管,包括折射率为no的衬底,设置在衬底上的折射率为nt的透明层,以及设置在透明层上并且折射率为nx的沟道层,其中存在 nx> nt> no的关系。
    • 78. 发明申请
    • FLUORESCENT MATERIAL, FLUORESCENT SUBSTANCE, DISPLAY, AND PROCESS FOR PREPARING FLUORESCENT SUBSTANCE
    • 荧光物质,荧光物质,显示和制备荧光物质的方法
    • US20110008584A1
    • 2011-01-13
    • US12886658
    • 2010-09-21
    • TOMOYUKI OIKEYoshihiro OhashiTatsuya Iwasaki
    • TOMOYUKI OIKEYoshihiro OhashiTatsuya Iwasaki
    • B32B9/04B32B1/00
    • C09K11/7734H01J29/20H01J29/24H01J31/127Y10T428/24628
    • The present invention aims at providing a novel oxide fluorescent material. The novel oxide fluorescent material is a fluorescent material including: as constituent elements, at least one or more elements selected from the group consisting of Mg, Ca, Sr and Ba; at least one or more elements selected from the group consisting of Si and Ge; at least one or more elements selected from the group consisting of rare earth elements; and oxygen, wherein the crystal structure is a pseudowollastonite crystal structure. The fluorescent substance includes a layer 54 comprised of the fluorescent material and a layer 52 including at least one or more elements selected from the group consisting of Si and Ge, the layers stacked on a substrate 51. The fluorescent substance includes an adjacent layer that includes at least one or more elements selected from the group consisting of Si and Ge and is in contact with the portion constituted by the fluorescent material.
    • 本发明的目的在于提供一种新的氧化物荧光材料。 新型氧化物荧光体是荧光体,作为构成要素,选自Mg,Ca,Sr和Ba中的至少一种以上的元素; 选自Si和Ge中的至少一种或多种元素; 选自由稀土元素组成的组中的至少一种以上的元素; 和氧,其中所述晶体结构是假硅灰石晶体结构。 荧光物质包括由荧光材料构成的层54和包括选自Si和Ge中的至少一种或多种元素的层52,层叠在基板51上。荧光物质包括相邻层,其包括 选自Si和Ge中的至少一种或多种元素,并且与由荧光材料构成的部分接触。