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    • 9. 发明申请
    • Circuit for driving light emitting element and current-control-type light-emitting display
    • 用于驱动发光元件和电流控制型发光显示器的电路
    • US20050062686A1
    • 2005-03-24
    • US10933310
    • 2004-09-03
    • Koichi Iguchi
    • Koichi Iguchi
    • H01L51/50G09G3/20G09G3/30G09G3/32H03B1/00H05B33/14
    • G09G3/3233G09G3/325G09G2300/0814G09G2300/0842G09G2300/0861G09G2310/0254G09G2310/0256G09G2320/043G09G2330/08
    • A current-control-type light emitting display in which a reverse current can be supplied to a light emitting element without requiring a negative power supply and without being passed through a forward drive section. A first electrode of the light emitting element is connected via a first switching device to a second power supply line set to 0 V, and is connected to a drive section via a second switching device. A second electrode of the light emitting element is connected to a third power supply line selectively connected to a voltage source from which an arbitrary positive voltage is supplied or another voltage source from which 0 V is supplied. A reverse current is supplied to the light emitting device by setting the potential on the first electrode of the light emitting element equal to the potential on the second power supply line and by setting the potential on the second electrode equal to the potential on the third power supply line from which an arbitrary positive voltage is supplied.
    • 一种电流控制型发光显示器,其中可以将反向电流提供给发光元件而不需要负电源并且不通过正向驱动部分。 发光元件的第一电极通过第一开关器件连接到设置为0V的第二电源线,并且经由第二开关器件连接到驱动部分。 发光元件的第二电极连接到选择性地连接到供应任意正电压的电压源的第三电源线或供应0V的另一电压源。 通过将发光元件的第一电极上的电位设置为等于第二电源线上的电位并且通过将第二电极上的电位设置为等于第三电力上的电位来将反向电流提供给发光器件 提供任意正电压的供给线。
    • 10. 发明授权
    • Loop type coil parts
    • 回路型线圈部件
    • US07477122B2
    • 2009-01-13
    • US11703562
    • 2007-02-07
    • Koichi IguchiTakanori YoshizawaHideharu SuzukiTakahiro Samata
    • Koichi IguchiTakanori YoshizawaHideharu SuzukiTakahiro Samata
    • H01F27/29
    • H01F17/045H01F27/292H01F2017/048H05K3/3426H05K2201/09036H05K2201/10287Y02P70/613
    • One inventive aspect relates to a low back type loop type coil part which may facilitate confirmation of quality of soldering. The loop type coil part comprises a core including a spool arranged vertically to a mounting side and a plate-like flange provided at an end of the spool to come in contact with the mounting side. A coil lead is wound around the spool, and an end of the coil lead is soldered and fixed to a terminal electrode of a bottom surface of the flange. A protruding part is provided at a part of a side surface of the flange in a length direction. A recess is formed in the bottom surface of the flange so as to be in contact with the protruding part of the side surface and a non-protruding part adjacent to the protruding part. The terminal electrode is provided to be continuous across an inner wall surface of the recess, a bottom surface of the protruding part, and a bottom surface of the non-protruding part. Accordingly, by using the protruding size of the flange, the fillet to facilitate confirmation of quality of soldering can be formed without increasing the thickness size of the flange of the core and the height size of the core.
    • 本发明的一个方面涉及一种可以有助于确认焊接质量的低背环型线圈部件。 环形线圈部分包括一个芯子,该芯子包括垂直于安装侧布置的线轴和设置在该线轴端部以与安装侧接触的板状凸缘。 线圈引线缠绕在线轴上,线圈引线的端部被焊接并固定到凸缘底面的端子电极上。 突出部设置在凸缘的长度方向的侧面的一部分。 在凸缘的底面形成有与侧面的突出部分接触的凹部和与突出部相邻的非突出部。 端子电极被设置为连续地穿过凹部的内壁表面,突出部分的底表面和非突出部分的底表面。 因此,通过使用凸缘的突出尺寸,可以形成用于确保焊接质量的圆角,而不增加芯的凸缘的厚度尺寸和芯的高度尺寸。