公开(公告)号：JP2011061343A

公开(公告)日：2011-03-24

申请号：JP2009206658

申请日：2009-09-08

Applicant: Renesas Electronics Corp ,  ルネサスエレクトロニクス株式会社

Inventor： YASUDA TSUKASA ,  MATSUMOTO ICHIRO ,  MATSUDA SATORU

IPC: H03K17/14 ,  G09G3/20 ,  G09G3/36 ,  H03F1/30 ,  H03K17/687

CPC classification number: H03F3/45183 ,  H03F3/45475 ,  H03F2200/375 ,  H03F2200/405 ,  H03F2200/411 ,  H03F2203/45101 ,  H03F2203/45512 ,  H03F2203/45674

Abstract: PROBLEM TO BE SOLVED: To provide a drive device that can achieve desired drive capability in a plurality of output amplifier circuits connected in parallel, and to provide a display device.
SOLUTION: The drive device (source driver 1) includes: the plurality of output amplifier circuits 10 connected in parallel; a bias wire (main bias wire 22) for supplying a bias voltage from a bias voltage supply source 25 to the plurality of output amplifier circuits; a power supply wire 31 for supplying power supply voltage from a power supply voltage supply source 35 to the plurality of output amplifier circuits; and a correction unit (buffer 26) for superimposing an offset voltage onto the bias voltage so that a difference between the power supply voltage and the bias voltage supplied to the plurality of output amplifier circuits 10 is to be desirable.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种可以并联连接的多个输出放大器电路中实现期望的驱动能力的驱动装置，并提供一种显示装置。 解决方案：驱动装置（源极驱动器1）包括：并联连接的多个输出放大器电路10; 用于从偏置电压源25向多个输出放大器电路提供偏置电压的偏置线（主偏置线22）; 电源线31，用于从电源电压源35向多个输出放大器电路提供电源电压; 以及校正单元（缓冲器26），用于将偏移电压叠加到偏置电压上，使得提供给多个输出放大器电路10的电源电压和偏置电压之间的差是期望的。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2012088512A

公开(公告)日：2012-05-10

申请号：JP2010234927

申请日：2010-10-19

Applicant: Renesas Electronics Corp ,  ルネサスエレクトロニクス株式会社

Inventor： YASUDA TSUKASA

IPC: G09G3/36 ,  G02F1/133 ,  G09G3/20

Abstract: PROBLEM TO BE SOLVED: To provide a display panel driver to reduce an occurrence of overshooting/undershooting waveform on a source line voltage when switching polarity in a source driver.SOLUTION: In a display panel drive, a positive output amplifier outputs a positive output voltage to a positive output terminal. A negative output amplifier outputs a negative output voltage to a negative output terminal. An output switch circuit controls electrical connections between the positive and negative output terminals and a source line of display panel. When switching polarity, the output switch circuit turns off the electrical connections. A switch-off period includes at least part of an output fixation period. During the output fixation period, a positive output fixation part fixes a voltage of the positive output terminal to a positive fixation voltage, and a negative output fixation part fixes a voltage of the negative output terminal to a negative fixation voltage.

Abstract translation: 要解决的问题：提供一种显示面板驱动器，以在切换源极驱动器中的极性时减少源极线电压上的过冲/欠冲击波形的发生。

解决方案：在显示面板驱动器中，正输出放大器将正输出电压输出到正输出端子。 负输出放大器将负输出电压输出到负输出端。 输出开关电路控制正极和负极输出端子与显示面板的源极线之间的电气连接。 当切换极性时，输出开关电路关闭电气连接。 关闭时段包括输出固定周期的至少一部分。 在输出固定期间，正输出固定部将正输出端子的电压固定为正的固定电压，负输出固定部分将负输出端子的电压固定为负的固定电压。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2011119452A

公开(公告)日：2011-06-16

申请号：JP2009275494

申请日：2009-12-03

Applicant: Renesas Electronics Corp ,  ルネサスエレクトロニクス株式会社

Inventor： MATSUMOTO ICHIRO ,  MATSUDA SATORU ,  YASUDA TSUKASA

IPC: H01L21/822 ,  H01L27/04

Abstract: PROBLEM TO BE SOLVED: To solve the problem that, in a conventional semiconductor device where an operational current is determined in accordance with a bias voltage, variation in driving capability may become large among a plurality of amplifiers. SOLUTION: A semiconductor device of the present invention has a power supply wiring 10 which is disposed in a longer-side direction of a semiconductor chip and in which a voltage supply source is connected to one end, a bias wiring 12 which is disposed in the longer-side direction of the semiconductor chip and transfers a bias voltage Vb, a plurality of amplifiers 20a, 20b of which the operational current is determined based on a voltage difference between a voltage of the power supply wiring 10 and a voltage of the bias wiring and which are arrayed in the longer-side direction of the semiconductor chip, a bias voltage generating circuit 21 which is provided in one end of the bias wiring 12 and generates the bias voltage Vb, and a bias adjusting voltage generating circuit 23 which is provided in another end of the bias wiring 12 and generates a bias adjusting voltage Vadj having a voltage value different from that of the bias voltage Vb. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题为了解决在根据偏置电压确定工作电流的常规半导体器件中，多个放大器之间的驱动能力的变化可能变大的问题。 解决方案：本发明的半导体器件具有配置在半导体芯片的长边方向的电源配线10，其一端连接有电源，偏置配线12为 设置在半导体芯片的长边方向，并传送偏置电压Vb，基于电源布线10的电压和电源布线10的电压之间的电压差确定工作电流的多个放大器20a，20b 偏置布线并且被布置在半导体芯片的长边方向上;偏置电压产生电路21，设置在偏置布线12的一端并产生偏置电压Vb;以及偏置调整电压产生电路23 其设置在偏置布线12的另一端，并产生具有与偏置电压Vb不同的电压值的偏置调整电压Vadj。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011176112A

公开(公告)日：2011-09-08

申请号：JP2010038893

申请日：2010-02-24

Applicant: Renesas Electronics Corp ,  ルネサスエレクトロニクス株式会社

Inventor： MATSUDA SATORU ,  YASUDA TSUKASA ,  MATSUMOTO ICHIRO

IPC: H01L21/60 ,  G09F9/00 ,  H01L23/12

CPC classification number: H01L23/24 ,  H01L21/563 ,  H01L23/16 ,  H01L23/3121 ,  H01L23/4985 ,  H01L23/562 ,  H01L24/16 ,  H01L2224/16225 ,  H01L2224/32225 ,  H01L2224/73203 ,  H01L2224/73204 ,  H01L2924/01079 ,  H01L2924/14 ,  H01L2924/3025 ,  H05K1/0281 ,  H05K2201/10681 ,  H01L2924/00

Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit having a semiconductor chip mounted to a tape-like or film-like substrate, and having higher strength against bending, and to provide a method of manufacturing the same.
SOLUTION: The semiconductor integrated circuit 1 includes: a bendable tape-like substrate 10 having external terminals, internal terminals connected to a rectangular semiconductor chip 20, and wiring 50 for connecting the internal terminals and the external terminals with each other; a semiconductor chip 20 electrically connected to the tape-like substrate 10; and a reinforcing member 30 for reinforcing the semiconductor chip 20 on the tape-like substrate 10 in a longitudinal direction. The semiconductor chip 20 and the reinforcing member 30 are sealed with resin 40.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种半导体集成电路，其具有安装在带状或薄膜状基板上的半导体芯片，并具有较高的抗弯强度，并提供其制造方法。 解决方案：半导体集成电路1包括：具有外部端子的可弯曲带状基板10，连接到矩形半导体芯片20的内部端子和用于将内部端子和外部端子彼此连接的布线50; 电连接到带状基板10的半导体芯片20; 以及用于在纵向上加强带状基板10上的半导体芯片20的加强构件30。 半导体芯片20和加强构件30用树脂40密封。版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010171490A

公开(公告)日：2010-08-05

申请号：JP2009009669

申请日：2009-01-20

Applicant: Renesas Electronics Corp ,  ルネサスエレクトロニクス株式会社

Inventor： YASUDA TSUKASA

IPC: H03F3/34 ,  G02F1/133 ,  G09G3/20 ,  G09G3/36 ,  H03F3/45

CPC classification number: H03F3/45179 ,  H03F2203/45352 ,  H03F2203/45674

Abstract: PROBLEM TO BE SOLVED: To provide an operational amplifier that determines an offset cancellation operation with higher accuracy.
SOLUTION: The operational amplifier 100 includes: a differential stage 10 including a first differential transistor P1 and a second differential transistor P2 that serve as paired transistors; polarity switching units 51, 52; and an offset adding unit 20 that is connected to one of the paired transistors or both of the paired transistors to change a size balance between the first differential transistor P1 and the second differential transistor P2. The offset adding unit 20 includes a first additional transistor T1 that is connected in parallel with one or both of the paired transistors and receives the same input as one or both of the paired transistors, and a second additional transistor T2 that is connected in series with the first additional transistor T1, and controlled to turn on/off by a test signal.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种以更高精度确定偏移消除操作的运算放大器。 解决方案：运算放大器100包括：差分级10，其包括用作成对晶体管的第一差分晶体管P1和第二差分晶体管P2; 极性切换单元51,52; 以及偏移加法单元20，其连接到成对晶体管中的一个或成对晶体管中的一个，以改变第一差分晶体管P1和第二差分晶体管P2之间的尺寸平衡。 偏移加法单元20包括与成对晶体管中的一个或两者并联连接的第一附加晶体管T1，并且接收与成对晶体管中的一个或两个相同的输入，以及与第二附加晶体管T2串联连接的第二附加晶体管T2， 第一附加晶体管T1，并被控制以通过测试信号导通/截止。 版权所有（C）2010，JPO＆INPIT