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    • 1. 发明授权
    • Active-matrix display and drive method thereof
    • 主动矩阵显示及其驱动方法
    • US08228271B2
    • 2012-07-24
    • US12515680
    • 2008-05-21
    • Tadahiko HiraiJun SumiokaKaoru Okamoto
    • Tadahiko HiraiJun SumiokaKaoru Okamoto
    • G09G3/36
    • G09G3/3283G09G3/3241G09G3/325G09G2300/0861G09G2310/0251G09G2320/0285G09G2320/043
    • An active-matrix display includes a data line, at least one select line, a control unit supplying a voltage signal and a current signal to the data line, and a pixel circuit receiving the voltage signal and the current signal from the data line to drive a light emitting element, the control unit including a voltage or first current source supplying a voltage or current pulse to the data line in order to make the voltage holding unit hold the voltage signal for making the light emitting element emit light having predetermined brightness in a first selection period in which the first switch is closed, a second current source supplying the current signal for making the light emitting element emit light having the predetermined brightness to the data line in a second selection period in which the first switch and the second switch are closed, a detection circuit detecting potential held in the voltage holding unit in the second selection period, and a correction unit correcting the voltage signal based on a relationship between the current signal and the detected potential.
    • 有源矩阵显示器包括数据线,至少一个选择线,向数据线提供电压信号和电流信号的控制单元,以及从数据线接收电压信号和电流信号以驱动的像素电路 发光元件,所述控制单元包括向所述数据线提供电压或电流脉冲的电压或第一电流源,以使所述电压保持单元保持所述电压信号,以使得所述发光元件在所述发光元件中发射具有预定亮度的光 第一开关闭合的第一选择期间,在第一开关和第二开关为止的第二选择期间,向第一开关供给用于使发光元件发光的电流信号的第二电流源向数据线发射 关闭在第二选择期间保持在电压保持单元中的检测电路的检测电路和校正电压的校正单元 基于当前信号与检测电位之间的关系的信号。
    • 2. 发明授权
    • Display apparatus and driving method of display apparatus
    • 显示装置的显示装置和驱动方法
    • US08179343B2
    • 2012-05-15
    • US12139182
    • 2008-06-13
    • Jun SumiokaKaoru OkamotoTadahiko Hirai
    • Jun SumiokaKaoru OkamotoTadahiko Hirai
    • G09G3/30G09G5/00G06F3/038
    • G09G3/3233G09G3/3283G09G2300/0842G09G2310/0251
    • A display apparatus includes a scanning line, a signal line, and a pixel circuit. The pixel circuit is selected according to a signal applied to the scanning line, and a signal is input to the selected pixel circuit from the signal line. The pixel circuit include a holding capacitor, a first switch which opens and closes connection between one terminal of the light emitting element and the signal line in accordance with a signal applied to the scanning line, and a second switch which opens and closes connection between one terminal of the holding capacitor and the signal line in accordance with a signal applied to the scanning line. First and a second voltage supplies are switchably connected to the signal line, and during a period when the pixel circuit is selected, the first voltage supply is connected to the signal line and the first switch is closed so that a voltage of the first voltage supply is applied to a terminal of the light emitting element, and the second voltage supply is connected to the signal line and the second switch is closed and the first switch is opened, so that a voltage of the second voltage supply is applied to one terminal of the holding capacitor. A voltage of the first voltage supply is determined based on a terminal-to-terminal voltage of the light emitting element when a voltage of the second voltage supply is applied to the holding capacitor and current flows in the light emitting element.
    • 显示装置包括扫描线,信号线和像素电路。 根据施加到扫描线的信号选择像素电路,并且从信号线将信号输入到所选择的像素电路。 像素电路包括保持电容器,第一开关,其根据施加到扫描线的信号来打开和关闭发光元件的一个端子与信号线之间的连接;以及第二开关,其将一个 保持电容器的端子和信号线根据施加到扫描线的信号。 第一电压源和第二电压源可切换地连接到信号线,并且在选择像素电路的时段期间,第一电压源连接到信号线,并且第一开关闭合,使得第一电压源的电压 施加到发光元件的端子,并且第二电压源连接到信号线,并且第二开关闭合,并且第一开关断开,使得第二电压源的电压施加到 保持电容。 当第二电压源的电压施加到保持电容器并且电流​​在发光元件中流动时,基于发光元件的端子 - 端子电压确定第一电压源的电压。
    • 5. 发明授权
    • Crystal form of 5-hydroxy-1-methylimidazolidin-2,4-dione
    • 晶体形式的5-羟基-1-甲基咪唑烷-2,4-二酮
    • US07569701B2
    • 2009-08-04
    • US10508496
    • 2003-04-09
    • Kaoru OkamotoNaoharu NishimuraAkira Ishii
    • Kaoru OkamotoNaoharu NishimuraAkira Ishii
    • C07D233/80A61K31/4166
    • C07D233/72
    • Conventional I-form crystals of 5-hydroxy-1-methylhydantoin contain, remaining therein in a considerable amount, the organic solvent used in a purification step. In contrast, in II-form crystals, the amount of the organic solvent remaining therein is smaller than the detection limit. Namely, the II-form crystals contain substantially no residual organic solvent. The novel II-form crystals of 5-hydroxy-1-methylhydantoin obtained through recrystallization from water not only contain substantially no residual organic solvent, but also have a high bulk density and are hence advantageous for pharmaceutical preparation. They further have properties advantageous for production, such as low adhesion. The crystals are significantly useful as a material for medicines required to have high safety, such as drugs for renal insufficiency.
    • 常规的5-羟基-1-甲基乙内酰脲的I型晶体在其中保留相当量的纯化步骤中使用的有机溶剂。 相反,在II型晶体中,其中残留的有机溶剂的量小于检测限。 即,II型晶体基本上不含残留的有机溶剂。 通过从水中重结晶获得的5-羟基-1-甲基乙内酰脲的新型II型晶体不仅基本上不含有残留的有机溶剂,而且还具有高堆积密度,因此对于药物制剂是有利的。 它们还具有有利于生产的性质,例如低粘附性。 该晶体作为具有高度安全性的药物的材料,例如用于肾功能不全的药物是显着有用的。
    • 8. 发明授权
    • Laminate for insulation protection of circuit boards
    • 电路板绝缘保护层压板
    • US5601905A
    • 1997-02-11
    • US395516
    • 1995-02-27
    • Hisashi WatanabeTakashi TanakaKaoru OkamotoKeiji YoshizawaHiroyuki ChinjuIsamu Takarabe
    • Hisashi WatanabeTakashi TanakaKaoru OkamotoKeiji YoshizawaHiroyuki ChinjuIsamu Takarabe
    • G03F7/09H05K3/28B32B7/02B32B27/08C08G73/10
    • G03F7/094H05K3/28H05K2201/0154H05K2201/0166H05K2203/0582H05K2203/0585H05K2203/066Y10S428/901Y10T428/2495Y10T428/24967Y10T428/26Y10T428/2839Y10T428/31721
    • A laminate comprising at least two layers of a photosensitive resin layer and a polyimide precursor resin layer; a process for formation of an insulating protective layer using a laminate which comprises laminating a laminate comprising at least photosensitive resin layer and a polyimide precursor resin layer on an insulating board having an exposed circuit; selectively exposing the photosensitive resin layer to active light; developing the resultant photosensitive resin layer; removing the exposed polyimide precursor resin layer by etching it with an alkaline solution using the photosensitive resin layer as a mask; removing the photosensitive resin layer; and then curing the residual polyimide precusor resin layer; and a process for preparation of a printed circuit which comprises forming a polymide precursor resin layer on an insulating board having an exposed circuit, patterning the resin layer with an alkaline solution, and then curing it.The laminate of this invention can provide extremely easily an insulating protective layer for circuits having a high processing precision and excellent in reliability on insulation. Further, a printed circuit having a high processing precision and excellent in reliability on insulation can be provided extremely easily by the processes of this invention.
    • 包含至少两层感光性树脂层和聚酰亚胺前体树脂层的层压体; 使用层压体形成绝缘保护层的方法,该方法包括在具有暴露电路的绝缘板上层叠至少包含感光性树脂层和聚酰亚胺前体树脂层的层压体; 将感光性树脂层选择性曝光为活性光; 显影所得的感光性树脂层; 通过使用感光性树脂层作为掩模,用碱性溶液蚀刻曝光的聚酰亚胺前体树脂层; 去除感光性树脂层; 然后固化残留的聚酰亚胺前体树脂层; 以及制造印刷电路的方法,包括在具有暴露电路的绝缘板上形成聚酰亚胺前体树脂层,用碱溶液对树脂层进行图案化,然后固化。 本发明的层叠体可以非常容易地提供具有高加工精度和绝缘可靠性优异的电路的绝缘保护层。 此外,通过本发明的方法,可以非常容易地提供具有高加工精度和绝缘可靠性优异的印刷电路。
    • 10. 发明授权
    • Display apparatus and driving method thereof
    • 显示装置及其驱动方法
    • US08395613B2
    • 2013-03-12
    • US12493784
    • 2009-06-29
    • Kaoru OkamotoJun SumiokaTadahiko Hirai
    • Kaoru OkamotoJun SumiokaTadahiko Hirai
    • G09G5/00
    • G09G3/3233G09G2320/0285G09G2320/0295G09G2320/046
    • A display apparatus includes a plurality of pixels disposed in a matrix pattern, each of the pixels emitting light, an acquisition unit for acquiring degradation characteristics of an emission luminance of each pixel from a video signal or a signal output from the pixel, and a detection unit for detecting a boundary of pixels showing different degradation characteristics of the plurality of pixels based on the degradation characteristics acquired by the acquisition unit. A calculation unit calculates a correction amount of the video signal to the pixels in a periphery of the boundary such that the emission luminance is gently varied in the periphery of the boundary when the plurality of pixels in the periphery of the boundary detected by the detection unit are caused to emit light with a same video signal. In addition, a correction unit corrects the video signal based on the calculated correction amount, and a video image is displayed by the plurality of pixels based on the corrected video signal.
    • 显示装置包括以矩阵状排列的多个像素,每个像素发光;获取单元,用于从视频信号或从像素输出的信号中获取每个像素的发光亮度的劣化特性,以及检测 用于基于由所述获取单元获取的劣化特性来检测显示所述多个像素的不同劣化特性的像素的边界的单元。 计算单元计算边界周边的像素的视频信号的校正量,使得当由检测单元检测到的边界的周边中的多个像素在发光亮度在边界的周围轻微变化时 导致以相同的视频信号发光。 此外,校正单元基于计算出的校正量来校正视频信号,并且基于校正的视频信号由多个像素显示视频图像。