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    • 2. 发明授权
    • Method of manufacturing semiconductor device, method of manufacturing active matrix substrate, and electrooptic device
    • 制造半导体器件的方法,制造有源矩阵衬底的方法和电光器件
    • US06306693B1
    • 2001-10-23
    • US09657901
    • 2000-09-08
    • Hideto IshiguroMinoru MatsuoHiroyuki MuraiMasami Hayashi
    • Hideto IshiguroMinoru MatsuoHiroyuki MuraiMasami Hayashi
    • H01L2100
    • H01L27/127H01L27/1214H01L27/1255H01L29/66757H01L29/78621H01L2029/7863
    • To provide a method of manufacturing a semiconductor device, a method of manufacturing an active matrix substrate, and an electrooptic device in which in forming different type TFTs on the same substrate, a variation in the LDD length or offset length of TFT can be suppressed by a small number of steps. In the method of manufacturing an active matrix substrate, a patterning mask 554 used for forming gate electrodes 15 and 25 is left, and used in introducing a medium concentration of phosphorus ion to introduce impurities in self alignment with the patterning mask 554. Next, with the patterning mask 554 removed, low-concentration of phosphorus ion is introduced by using the gate electrodes 15 and 25 as a mask to form low-concentration source-drain regions 111, 121, 211 and 221 in self alignment with the gate electrodes 15 and 25. The LDD length of each of the regions is equal to the amount of side etching caused in patterning the gate electrodes 15 and 25.
    • 为了提供一种制造半导体器件的方法,制造有源矩阵衬底的方法和电光器件,其中在同一衬底上形成不同类型的TFT时,TFT的LDD长度或偏移长度的变化可以通过 少数步骤。 在制造有源矩阵基板的方法中,留下用于形成栅电极15和25的图形掩模554,用于引入中等浓度的磷离子以引入与图案化掩模554自对准的杂质。接下来, 去除图案化掩模554,通过使用栅电极15和25作为掩模来引入低浓度的磷离子,以形成与栅电极15自对准的低浓度源极 - 漏极区域111,121,211和221,以及 每个区域的LDD长度等于在图案化栅电极15和25时引起的侧蚀刻量。
    • 3. 发明授权
    • Pixel circuit driving method, light emitting device, and electronic apparatus
    • 像素电路驱动方法,发光装置和电子设备
    • US08643576B2
    • 2014-02-04
    • US12534524
    • 2009-08-03
    • Hideto IshiguroSatoshi Yatabe
    • Hideto IshiguroSatoshi Yatabe
    • G09G3/34
    • G09G3/3233G09G2300/0819G09G2300/0842G09G2300/0866G09G2310/0297
    • A method of driving a plurality of pixel circuits. The pixel circuits are disposed corresponding to intersections between a plurality of scanning lines and a plurality of signal lines. Each of the pixel circuits includes: a light emitting element; a driving transistor; a holding capacitor; and a selection switch electrically interconnecting the signal line and the gate of the driving transistor at the time of the selection of the scanning line. The method includes: supplying a gradation potential to each signal line during a first period, selecting the scanning line during a second period, and supplying the gradation potential to the gate of the driving transistor; controlling the driving transistor of each of the pixel circuits to be in an ON state, supplying a reference potential to the gate of the corresponding driving transistor, and executing a first compensation operation and supplying driving current to the light emitting element.
    • 一种驱动多个像素电路的方法。 像素电路对应于多条扫描线和多条信号线之间的交叉点设置。 每个像素电路包括:发光元件; 一个驱动晶体管; 保持电容器; 以及在选择扫描线时将信号线与驱动晶体管的栅极电连接的选择开关。 该方法包括:在第一周期期间向各信号线提供灰度电位,在第二周期期间选择扫描线,并将灰度电位提供给驱动晶体管的栅极; 控制每个像素电路的驱动晶体管处于导通状态,向对应的驱动晶体管的栅极提供参考电位,并执行第一补偿操作,并向发光元件提供驱动电流。
    • 5. 发明授权
    • Semiconductor device, method for manufacturing semiconductor device, and electro-optical apparatus
    • 半导体装置,半导体装置的制造方法以及电光装置
    • US07943935B2
    • 2011-05-17
    • US11877350
    • 2007-10-23
    • Hideto Ishiguro
    • Hideto Ishiguro
    • H01L29/04H01L21/04H01L29/786
    • H01L29/78696H01L29/42384H01L29/78612H01L29/78621H01L29/78645
    • A semiconductor device includes a thin-film transistor including a polycrystalline silicon layer, disposed above a substrates serving as an active layer. The thin-film transistor includes a first thin-film transistor section including a first channel region disposed in a drain-side portion of the polycrystalline silicon layer and also includes a second thin-film transistor section including a second channel region that is adjacent to the first channel region with an impurity-implanted region disposed therebetween. The first and second thin-film transistor sections are of the same conductivity type. The gate electrode of the first thin-film transistor section is electrically connected to the gate electrode of the second thin-film transistor section. The first thin-film transistor section has a channel length of less than 2 μm.
    • 半导体器件包括设置在用作有源层的衬底之上的多晶硅层的薄膜晶体管。 薄膜晶体管包括第一薄膜晶体管部分,其包括设置在多晶硅层的漏极侧部分中的第一沟道区域,并且还包括第二薄膜晶体管部分,其包括与第二沟道区域相邻的第二沟道区域 第一沟道区,其间配置有杂质注入区。 第一和第二薄膜晶体管部分具有相同的导电类型。 第一薄膜晶体管部分的栅电极电连接到第二薄膜晶体管部分的栅电极。 第一薄膜晶体管部分的沟道长度小于2μm。
    • 6. 发明申请
    • Light Emitting Device, Electronic Device, and Method for Driving Pixel Circuit
    • 发光装置,电子装置和驱动像素电路的方法
    • US20100328278A1
    • 2010-12-30
    • US12821839
    • 2010-06-23
    • Hideto IshiguroSatoshi Yatabe
    • Hideto IshiguroSatoshi Yatabe
    • G09G5/00
    • G09G3/3233G09G2300/043G09G2300/0819G09G2300/0852G09G2300/0861G09G2310/0251
    • A light emitting device includes: a pixel circuit; and a driving circuit that drives the pixel circuit, wherein the pixel circuit includes: a light emitting element; a driving transistor that is connected to the light emitting element in series; a storage capacitor that is located between a gate of the driving transistor and a source of the driving transistor; and a selecting transistor that is located between the gate of the driving transistor and a signal line that corresponds to the pixel circuit, after a writing period starts, the driving circuit sets a potential of a selection signal to a selection potential to turn on the selecting transistor and outputs a data potential to the signal line to cause a current corresponding to the data potential to flow in the driving transistor, the selection signal being to be supplied to the gate of the selecting transistor, the data potential being changed over time, and after the driving circuit sets the potential of the selection signal to the selection potential and outputs the data potential, the driving circuit changes, from the selection potential, the potential of the selection signal over time until the end time of the writing period to turn off the selecting transistor and thereby stop supply of the data potential and sets, to a rate corresponding to a gradation specified for the pixel circuit, a rate of change of the data potential at the time when the supply of the data potential to the driving transistor is stopped.
    • 发光器件包括:像素电路; 以及驱动所述像素电路的驱动电路,其中所述像素电路包括:发光元件; 与发光元件串联连接的驱动晶体管; 存储电容器,位于所述驱动晶体管的栅极和所述驱动晶体管的源极之间; 以及位于驱动晶体管的栅极与对应于像素电路的信号线之间的选择晶体管,在写入周期开始之后,驱动电路将选择信号的电位设置为选择电位,以接通选择 晶体管,并向信号线输出数据电位,使与数据电位对应的电流流入驱动晶体管,选择信号被提供给选择晶体管的栅极,数据电位随时间变化,以及 在驱动电路将选择信号的电位设置为选择电位并输出数据电位之后,驱动电路从选择电位改变选择信号的电位随时间变化直到写入周期的结束时间关闭 选择晶体管,从而停止提供数据电位,并将其设置为与为像素循环指定的灰度相对应的速率 在停止提供驱动晶体管的数据电位时的数据电位的变化率。