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1. 发明专利

JP2011035559A Differential amplifier circuit, data line driver using the same, and liquid crystal display apparatus 有权
标题翻译：差分放大器电路，使用其的数据线驱动器和液晶显示器
公开(公告)号：JP2011035559A
公开(公告)日：2011-02-17
申请号：JP2009178218
申请日：2009-07-30
申请人： Renesas Electronics Corp , ルネサスエレクトロニクス株式会社
发明人： NISHIMURA KOICHI , MURATA SHUNICHI
IPC分类号： H03F3/34 , G02F1/133 , G09G3/20 , G09G3/36 , H03F3/45
CPC分类号： H03F3/45219 , G09G3/3688 , G09G2310/027 , H03F3/3022 , H03F3/45192 , H03F2203/45631
摘要： PROBLEM TO BE SOLVED: To obtain a preferable amplitude difference deviation characteristic in a differential amplifier circuit of a data line driver driving a liquid crystal display panel. SOLUTION: A differential amplifier circuit 1 includes: an NMOS transistor pair 2 composed of a pair of non-doped type NMOS transistors MN 1 and MN 2 to which a non-inversion input terminal 9 and an inversion input terminal 10 are respectively connected; a PMOS transistor pair 3 composed of a pair of PMOS transistors MP 1 and MP 2 to which the non-inversion input terminal 9 and the inversion input terminal 10 are respectively connected; a current mirror 4 of a folded cascode type connected to a drain of the non-doped type NMOS transistors MN 1 and MN 2 ; and output circuit parts (4, 5, 6, MP 8 and MN 8 ), responding to current flowing through the non-doped type NMOS transistors MN 1 , MN 2 , and the PMOS transistors MP 1 and MP 2 and generating an output voltage Vout. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了在驱动液晶显示面板的数据线驱动器的差分放大器电路中获得优选的幅度差偏差特性。解决方案：差分放大器电路1包括：NMOS晶体管对2，其由一对非掺杂型NMOS晶体管MN＆lt; SB＆gt;和＆lt; SB＆gt; 2＆lt; SB＆gt;和/ 非反相输入端子9和反相输入端子10分别连接; 由非反相输入端子9和反相输入端子10分别连接的一对PMOS晶体管MP＆lt; SB＆gt;和＆lt; SB＆gt; 2＆lt; / SB＆gt;构成的PMOS晶体管对3; 连接到非掺杂型NMOS晶体管MN＆lt; SB＆gt; 1＆gt;和＆lt; SB＆gt; 2＆gt;的漏极的折叠共源共栅型电流镜4; 以及响应于流过非掺杂型NMOS晶体管MN 1的电流的输出电路部分（4,5,6，MP＆lt; SB＆lt; 8＆gt;和MN＆lt; SB＆gt; 8＆ / SB>，MN 2和PMOS晶体管MP 1和MP 2 ，并产生输出电压Vout。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2012049861A Output circuit 审中-公开
标题翻译：输出电路
公开(公告)号：JP2012049861A
公开(公告)日：2012-03-08
申请号：JP2010190684
申请日：2010-08-27
申请人： Renesas Electronics Corp , ルネサスエレクトロニクス株式会社
发明人： NISHIMURA KOICHI , OTSUKA HIROMICHI , MURATA SHUNICHI
IPC分类号： H03F3/26
CPC分类号： H03K19/018528
摘要： PROBLEM TO BE SOLVED: To provide an output circuit capable of suppressing overshoot or undershoot of an output waveform.SOLUTION: The output circuit comprises: an output transistor MP13 which is provided between a high-potential side power terminal and an external output terminal and in which a current flowing between the source and the drain is controlled based on the external input signal; an output transistor MN14 which is provided a low-potential side power terminal and the external output terminal and in which a current flowing between a source and a drain based on the external input signal is controlled; and a clamp transistor MP15 in which a first terminal and a control terminal are connected to the gate of the output transistor MP13 and in which a second terminal is connected to the gate of the output transistor MP13.
摘要翻译：要解决的问题：提供能够抑制输出波形的过冲或下冲的输出电路。解决方案：输出电路包括：输出晶体管MP13，其设置在高电位侧电源端子和外部输出端子之间，其中基于外部输入信号控制在源极和漏极之间流动的电流 ; 设置有低电位侧电源端子和外部输出端子的输出晶体管MN14，其中控制基于外部输入信号在源极和漏极之间流动的电流; 以及钳位晶体管MP15，其中第一端子和控制端子连接到输出晶体管MP13的栅极，并且其中第二端子连接到输出晶体管MP13的栅极。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011004309A Differential signal receiving circuit and display device 审中-公开
标题翻译：差分信号接收电路和显示设备
公开(公告)号：JP2011004309A
公开(公告)日：2011-01-06
申请号：JP2009147366
申请日：2009-06-22
申请人： Renesas Electronics Corp , ルネサスエレクトロニクス株式会社
发明人： MURATA SHUNICHI
IPC分类号： H03F3/45
CPC分类号： H03F3/4521 , G09G3/3611 , G09G2370/08
摘要： PROBLEM TO BE SOLVED: To provide a differential signal receiving circuit which outputs a stable signal with less jitter even if a differential amplitude is small.SOLUTION: A differential signal receiving circuit has a first differential circuit, a second differential circuit and an inverter circuit (INV1). The first differential circuit has a plurality of depletion type transistors (MN1, MN2), and has a first output node (NA) and a second output node (NB). The second differential circuit has a plurality of enhancement type transistors (MP1, MP2) which are complementary to the depletion type transistors (MN1, MN2). An output node of the second differential circuit is connected to each of the first output node (NA) and the second output node (NB). The inverter circuit (INV1) is connected between the first output node (NA) and the second output node (NB).
摘要翻译：要解决的问题：提供一种差分信号接收电路，其即使差分幅度小，也输出具有较小抖动的稳定信号。解决方案：差分信号接收电路具有第一差分电路，第二差分电路和反相器电路（ INV1）。第一差分电路具有多个耗尽型晶体管（MN1，MN2），并具有第一输出节点（NA）和第二输出节点（NB）。第二差分电路具有与耗尽型晶体管（MN1，MN2）互补的多个增强型晶体管（MP1，MP2）。第二差分电路的输出节点连接到第一输出节点（NA）和第二输出节点（NB）中的每一个。逆变器电路（INV1）连接在第一输出节点（NA）和第二输出节点（NB）之间。

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