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51. 发明专利

JPS61152118A CIRCUIT FOR DECIDING INCREASE AND DECREASE OF PULSE WIDTH 失效
公开(公告)号：JPS61152118A
公开(公告)日：1986-07-10
申请号：JP27303284
申请日：1984-12-26
申请人： HITACHI LTD
发明人： MAEKAWA HITOSHI , OSAWA MICHITAKA , ANDO KUNIO
IPC分类号： H03K5/19 , H03K5/153
摘要： PURPOSE:To obtain information on the magnitude of pulse width with a simple constitution by storing the pulse width in a previous cycle with the aid of an analog value available from converting said pulse into a voltage by means of a lamp wave and a sample and hold circuit and comparing the pulse width of a current cycle with that of the previous cycle. CONSTITUTION:Where an increase in the detected pulse width of (n+1) cycle is larger than that Tn of an n-cycle, the held voltage of the sample and hold circuit 18 is Vsquaren+1 in the (n+1) cycle. Since the input 2 of an AND gate 17 is 'L', the sample and hold circuit 19 does not execute its sampling action in the (n+1) cycle, and a voltage Vn sampled in the n-cycle is held. Because of Vn>Vsquaren+1, outputs of a comparator followed by the rise of a pulse Tn+1 come to 'L', and accordingly the output of an EXOR becomes 'L'. When the output is latched at a time t3, the output H of a DFF25 comes to 'L' after the time t3. Consequently the output of an FF25 comes to 'L' when the detected pulse width Tn+1 in the (n+1) cycle is longer than that Tn in the n-cycle. If the detected pulse width in the current cycle is short, the pulse width comes to 'H'.

52. 发明专利

JPS6148017A Power source control circuit 失效
标题翻译：电源控制电路
公开(公告)号：JPS6148017A
公开(公告)日：1986-03-08
申请号：JP16931284
申请日：1984-08-15
申请人： Hitachi Ltd
发明人： KITO KOJI , OKI MASAFUMI , OSAWA MICHITAKA
IPC分类号： G05F1/56 , G05F1/569
CPC分类号： G05F1/569
摘要： PURPOSE:To dissolve the shortage of withstand voltage of a phototransistor by fixing the base voltage of a drive transistor in cascade connection with the phototransistor of a photocoupler by a zener diode at low voltage. CONSTITUTION:From AC line input voltage, direct current voltage is obtained by a constant voltage direct current power source circuit 2, fed to a high voltage generating circuit 3 through a power source control transistor 7, and the high voltage is produced at a high voltage output terminal 4. By output voltage split- resistances 12, 13 the high output voltage is detected, an error signal is obtained by an error amplifying transistor 7 and the luminous diode of a photocoupler 8. Collector current of a drive transistor 6 in cascode connection with the phototransistor of the photocoupler 8 and fixing the base voltage at low voltage by a zener diode 10' is controlled by an error amplifying transistor 7 and by the collector current thereof, the base voltage of the power source control transistor 5 is controlled to make the high output voltage constant.
摘要翻译：目的：通过在低电压下通过齐纳二极管与光电耦合器的光电晶体管级联连接驱动晶体管的基极电压来解决光电晶体管耐压短路问题。构成：从交流线输入电压，通过恒压直流电源电路2获得直流电压，通过电源控制晶体管7馈送到高电压发生电路3，高电压以高电压产生输出端子4.通过输出电压分离电阻12,13检测高输出电压，通过误差放大晶体管7和光电耦合器8的发光二极管得到误差信号8.级联连接的驱动晶体管6的集电极电流利用光电耦合器8的光电晶体管和由齐纳二极管10'固定低电压的基极电压由误差放大晶体管7控制，并通过集电极电流控制电源控制晶体管5的基极电压高输出电压常数。

53. 发明专利

JP2010092056A Pdp display device 审中-公开
标题翻译： PDP显示设备
公开(公告)号：JP2010092056A
公开(公告)日：2010-04-22
申请号：JP2009236800
申请日：2009-10-14
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OSAWA MICHITAKA , OHIRA HIROSHI , MORI MUTSUHIRO , OTAKA SHIGEO , ISHIZAKA KATSUO
IPC分类号： G09G3/20 , G09G3/288 , G09G3/291 , G09G3/294 , G09G3/296 , H01L21/336 , H01L21/8234 , H01L27/04 , H01L27/088 , H01L29/739 , H01L29/78
摘要： PROBLEM TO BE SOLVED: To provide drive technology with small voltage drop in a conductive state and satisfactory current interrupting characteristics.
SOLUTION: In a PDP (Plasma Display Panel) display device, a high-speed IGBT for sustain circuit is used as an output power element. An influence of a tail current, which is an original defect of the element, is reduced by combining an AC type PDP 15 having voltage and current characteristics in which a discharge current is interrupted independently of applied voltage even if the voltage is applied.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有导通状态的小电压降的驱动技术和令人满意的电流中断特性。解决方案：在PDP（等离子体显示面板）显示装置中，使用用于维持电路的高速IGBT作为输出功率元件。即使施加电压，组合具有电压和电流特性的AC型PDP 15也可以减小作为元件的原始缺陷的尾电流的影响，其中放电电流被独立于施加的电压中断。版权所有（C）2010，JPO＆INPIT

54. 发明专利

JP2009117868A Bidirectional switch module 审中-公开
标题翻译：双向开关模块
公开(公告)号：JP2009117868A
公开(公告)日：2009-05-28
申请号：JP2009039134
申请日：2009-02-23
申请人： Hitachi Ltd , Renesas Technology Corp , 株式会社ルネサステクノロジ , 株式会社日立製作所
发明人： OSAWA MICHITAKA , KANAZAWA TAKAMITSU
IPC分类号： H01L25/07 , H01L25/18
CPC分类号： H01L2224/451 , H01L2224/48137 , H01L2224/48139 , H01L2224/48247 , H01L2224/49 , H01L2224/4903 , H01L2224/49051 , H01L2924/01004 , H01L2924/01005 , H01L2924/01006 , H01L2924/01007 , H01L2924/01013 , H01L2924/01019 , H01L2924/01033 , H01L2924/01075 , H01L2924/01082 , H01L2924/1305 , H01L2924/13055 , H01L2924/1306 , H01L2924/13091 , H01L2924/00 , H01L2924/00012
摘要： PROBLEM TO BE SOLVED: To solve a problem that a known semiconductor module uses an insulating substrate and a wiring layer formed thereon, and it becomes a cost-up factor. SOLUTION: A first semiconductor element having a junction electrode connected to a first node of a bidirectional switch circuit is mounted on a first metal base plate serving as a thermal diffusion plate; and similarly, a second semiconductor element having a junction electrode connected to a second node of the bidirectional switch circuit is mounted on a second metal base plate serving as a thermal diffusion plate. The junction electrode of the first semiconductor element is at the same potential as the first metal base plate; and, the junction electrode of the second semiconductor element is at the same potential as the second metal base plate. Then, the respective metal base plates and nonjunction electrodes of the respective semiconductor elements are respectively connected with thin metal wires to constitute the bidirectional switch circuit. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：为了解决已知的半导体模块使用绝缘基板和形成在其上的布线层的问题，并且成为成本因素。解决方案：具有连接到双向开关电路的第一节点的接合电极的第一半导体元件安装在用作热扩散板的第一金属基板上; 类似地，具有连接到双向开关电路的第二节点的接合电极的第二半导体元件安装在用作热扩散板的第二金属基板上。第一半导体元件的接合电极与第一金属基板处于相同的电位; 并且第二半导体元件的接合电极处于与第二金属基板相同的电位。然后，各个半导体元件的各个金属基板和非结电极分别与细金属线连接以构成双向开关电路。版权所有（C）2009，JPO＆INPIT

55. 发明专利

JP2008177179A Semiconductor module and plasma display with power recovery circuit 审中-公开
标题翻译：具有电力恢复电路的半导体模块和等离子体显示器
公开(公告)号：JP2008177179A
公开(公告)日：2008-07-31
申请号：JP2007000913
申请日：2007-01-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OSAWA MICHITAKA
IPC分类号： H01L25/07 , G09G3/20 , G09G3/282 , G09G3/288 , G09G3/296 , H01L25/18
CPC分类号： H01L2224/48 , H01L2224/48091 , H01L2224/48137 , H01L2224/48139 , H01L2224/48247 , H01L2224/49 , H01L2224/4903 , H01L2224/49113 , H01L2924/00014 , H01L2924/1203 , H01L2924/1305 , H01L2924/13055 , H01L2924/1306 , H01L2924/13091 , H01L2924/00 , H01L2224/45099 , H01L2224/05599 , H01L2924/00012
摘要： PROBLEM TO BE SOLVED: To reduce the cost of a semiconductor module, especially of a semiconductor module constituting a bi-directional switch for power recovery. SOLUTION: The semiconductor module comprises a first metal base plate (101), and a second metal base plate (102). The first metal base plate is connected with the first node (N1) of the circuit of a bi-directional switch and mounts a first semiconductor element with a bonded electrode having the same potential as that of the first metal base plate. The second metal base plate is connected with the second node (N2) of the circuit and mounts a second semiconductor element with a bonded electrode having the same potential as that of the second metal base plate. The first and second metal bases are connected, respectively, with the nonbonded electrodes of the first and second semiconductor elements by metal wires (130) thus forming the circuit. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了降低半导体模块的成本，特别是构成用于功率恢复的双向开关的半导体模块的成本。解决方案：半导体模块包括第一金属基板（101）和第二金属基板（102）。第一金属基板与双向开关的电路的第一节点（N1）连接，并且安装具有与第一金属基板的电位相同的电位的接合电极的第一半导体元件。第二金属基板与电路的第二节点（N2）连接，并且安装具有与第二金属基板的电位相同的电位的接合电极的第二半导体元件。第一和第二金属基底分别通过金属线（130）与第一和第二半导体元件的非接合电极相连，从而形成电路。版权所有（C）2008，JPO＆INPIT

56. 发明专利

JP2008152062A Plasma display device 审中-公开
标题翻译：等离子体显示设备
公开(公告)号：JP2008152062A
公开(公告)日：2008-07-03
申请号：JP2006340668
申请日：2006-12-19
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OSAWA MICHITAKA
IPC分类号： G09G3/288 , G09G3/20 , G09G3/291 , G09G3/294 , G09G3/296 , G09G3/298 , H01J11/12 , H01J11/20 , H01J11/22 , H01J11/24 , H01J11/26 , H01J11/34 , H01J11/36 , H01J11/46 , H01J11/48
摘要： PROBLEM TO BE SOLVED: To provide a single-side driving system type plasma display device which more effectively reduces EMI or inductance without using a compensation effect due to a GND current flowing through a chassis.
SOLUTION: An X electrode and a Y electrode, which are a pair of electrodes, are each pulled out to one end part side in a line direction in a plasma display panel, and the X electrode and Y electrode thus pulled out are driven with a Y driving board on which a Y driving part is mounted, the Y driving part executing single-side driving from the Y electrode side. By such composition, the direction of a current flowing through the X electrode can be opposite to that of a current flowing through the Y electrode.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种单侧驱动系统型等离子体显示装置，其更有效地降低EMI或电感，而不会由于流过底盘的GND电流而使用补偿效应。解决方案：作为一对电极的X电极和Y电极在等离子体显示面板中沿线方向的一个端部侧拉出，由此拔出的X电极和Y电极为由安装有Y驱动部的Y驱动板驱动，Y驱动部从Y电极侧进行单面驱动。通过这样的组成，流过X电极的电流的方向可以与流过Y电极的电流的方向相反。版权所有（C）2008，JPO＆INPIT

57. 发明专利

JP2007241115A Drive circuit of plasma display panel 审中-公开
标题翻译：等离子显示面板的驱动电路
公开(公告)号：JP2007241115A
公开(公告)日：2007-09-20
申请号：JP2006066445
申请日：2006-03-10
申请人： Advanced Pdp Development Corp , Fujitsu Ltd , Hitachi Ltd , 富士通株式会社 , 株式会社日立製作所 , 株式会社次世代Pdp開発センター
发明人： OSAWA MICHITAKA , SAKANO JUNICHI , AWAMOTO KENJI , SHINOHE KOJI
IPC分类号： G09G3/20 , G09G3/288 , G09G3/291 , G09G3/293 , G09G3/294 , G09G3/296 , G09G3/298
摘要： PROBLEM TO BE SOLVED: To provide a drive circuit of a PDP capable of driving the PDP with high efficiency without destructing a semiconductor element of a scan drive circuit constituting a drive circuit of the PDP.
SOLUTION: A collector terminal of an IGMT 25 is connected to a power supply Vcc line and an emitter terminal of the IGBT 25 is connected to an output terminal of an output circuit 21, respectively. A cathode terminal (K) of a diode 29 is connected to a line on the side of a power supply Vcc and an anode terminal of the diode 29 is connected to the output terminal, respectively. A collector terminal of an IGBT 27 is connected to an output terminal and an emitter terminal of the IGBT 27 is connected to a common sustain circuit through a virtual ground line, respectively. A cathode terminal of a diode 31 is connected to the output terminal and an anode terminal of the diode 31 is connected to the common sustain circuit 1 through the virtual ground line, respectively. A rectangular wave pulse is output to the corresponding scan electrode from the output terminal from the common sustain circuit 1 through the virtual ground line and the diode 31.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够高效率驱动PDP的PDP的驱动电路，而不会破坏构成PDP的驱动电路的扫描驱动电路的半导体元件。解决方案：IGMT 25的集电极端子连接到电源Vcc线，并且IGBT 25的发射极端子分别连接到输出电路21的输出端子。二极管29的阴极端子（K）连接到电源Vcc侧的线路，二极管29的阳极端子分别连接到输出端子。 IGBT27的集电极端子连接到输出端子，并且IGBT27的发射极端子分别通过虚拟接地线连接到公共维持电路。二极管31的阴极端子连接到输出端子，二极管31的阳极端子分别通过虚拟接地线连接到公共维持电路1。通过虚拟接地线和二极管31，从公共维持电路1的输出端子向对应的扫描电极输出矩形波脉冲。（C）2007，JPO＆INPIT

58. 发明专利

JP2006003862A Plasma display apparatus 有权
标题翻译：等离子显示设备
公开(公告)号：JP2006003862A
公开(公告)日：2006-01-05
申请号：JP2004366990
申请日：2004-12-20
申请人： Advanced Pdp Development Corp , Hitachi Ltd , 株式会社日立製作所 , 株式会社次世代Pdp開発センター
发明人： INOUE KOICHI , AKIYAMA YUKIO , WATANUKI SEIJI , OSAWA MICHITAKA
IPC分类号： G09G3/288 , G09F9/00 , G09G3/20 , G09G3/291 , G09G3/294 , G09G3/296 , H01J17/49 , H04N5/66
CPC分类号： G09G3/2965 , G09G2330/06
摘要： PROBLEM TO BE SOLVED: To provide a mounting structure to reduce the inductance in a driving circuit of a sustaining discharge circuit of an AC-driven plasma display. SOLUTION: A plasma display apparatus includes a plasma display panel on which electrodes are formed, a conductive conductor for fixing the panel, a pair of circuit boards fixed onto to the conductor using a plurality of fixing members, ground terminals and electric power supplies disposed respectively of the circuit boards, and a pair of connecting circuit boards connected to end portions respectively of the circuit boards and an end portion of the panel. The ground terminals configurated by each of the pair of circuit boards are electrically connected via fixing members to a position near an end portion of the conductor. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种安装结构，以减少AC驱动等离子体显示器的维持放电电路的驱动电路中的电感。解决方案：等离子体显示装置包括其上形成有电极的等离子体显示面板，用于固定面板的导电导体，使用多个固定构件固定到导体上的一对电路板，接地端子和电力电路板分别设置的电源和连接到电路板的端部和面板的端部的一对连接电路板。由一对电路板中的每一个构成的接地端子经由固定部件电连接到导体的端部附近的位置。版权所有（C）2006，JPO＆NCIPI

59. 发明专利

JP2005221906A Front panel and display device using the same 有权
标题翻译：使用相同的前面板和显示设备
公开(公告)号：JP2005221906A
公开(公告)日：2005-08-18
申请号：JP2004031504
申请日：2004-02-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OSAWA MICHITAKA
IPC分类号： G02B1/10 , F21V8/00 , G02B5/02 , G02B27/00 , G02F1/1335 , G09F9/00
CPC分类号： G02B6/0001 , G02B27/0018
摘要： PROBLEM TO BE SOLVED: To provide a front panel which can increase a light-room contrast and reduce deterioration in picture quality and a decrease in contrast due to inter-pixel crosstalk and stray light when combined with a display panel which emits output light having no directivity or broad directivity, and a display device using the same. SOLUTION: Acicular light guide bodies in a shape of a frustum of a cone are stood in large numbers; and the output light of a display element is propagated by total reflection in the acicular light guide bodies and external light is repeatedly reflected on a surface forming a wedge surface to attenuate. Further, when light absorbing film is coated on the surface of acicular light guide bodies, a contrast ratio is made large. With this structure, a high contrast is obtained in a light room, the acicular light guide bodies stood in large numbers are made long, and light incidence surfaces of the acicular light guide bodies are brought into contact with a display panel display surface to reduce crosstalk between adjacent pixels, thereby reducing a decrease in contrast due to display light. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种前面板，当与发出输出的显示面板组合时，可以增加光室对比度并降低图像质量的劣化和由于像素间串扰和杂散光引起的对比度的降低没有方向性或宽方向性的光，以及使用其的显示装置。
解决方案：锥形截头锥形的针状导光体大量放置; 并且显示元件的输出光通过针状导光体中的全反射传播，并且外部光在形成楔形表面的表面上反复反射以衰减。此外，当在针状导光体的表面上涂布光吸收膜时，对比度变大。利用这种结构，在光室中获得高对比度，大量放置的针状光导体长得多，并且针状导光体的光入射面与显示面板显示面接触以减少串扰在相邻像素之间，从而减少由于显示光引起的对比度的降低。版权所有（C）2005，JPO＆NCIPI

60. 发明专利

JP2005037968A Drive circuit of capacitive load and display device using the same 审中-公开
标题翻译：电容负载的驱动电路和使用它的显示装置
公开(公告)号：JP2005037968A
公开(公告)日：2005-02-10
申请号：JP2004308993
申请日：2004-10-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NUNOMURA KUNIHIRO , AKIYAMA NOBORU , INOUE KOICHI , SANO YUJI , OHIRA HIROSHI , OSAWA MICHITAKA
IPC分类号： G09G3/20 , G09G3/288 , G09G3/296 , G09G3/298 , H03K17/00 , H03K17/693 , G09G3/28
摘要： PROBLEM TO BE SOLVED: To reduce the electric power loss of a circuit for driving capacitive load. SOLUTION: A reverse-current limiting switch 96 having a parallel diode 86 of a pull-up switch 85 and a parallel diode 97 of a reverse direction is disposed between a high-voltage electric power source terminal 71 and a high-voltage output terminal Q 1. The output of unnecessary nicks in a continuously high pattern is averted and electric power recovery can be effectively carried out and therefore, the driving circuit and driver IC for the capacitive load suitable for reducing, for example, the electric power loss and the display panel device providing the capacitive load can be realized. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：降低用于驱动电容性负载的电路的功率损耗。解决方案：具有上拉开关85的并联二极管86和反向的并联二极管97的反向限流开关96设置在高电压电源端子71和高电压端子71之间输出端子Q 1.避免了连续高图案中的不必要的缺口的输出，并且可以有效地执行电力恢复，因此用于电容负载的驱动电路和驱动器IC适合于减少例如电力损耗并且可以实现提供电容性负载的显示面板装置。版权所有（C）2005，JPO＆NCIPI

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