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81. 发明授权

US08284151B2 Semiconductor device 有权
标题翻译：半导体器件
公开(公告)号：US08284151B2
公开(公告)日：2012-10-09
申请号：US13039378
申请日：2011-03-03
申请人： Munehiro Azami , Shou Nagao , Yoshifumi Tanada
发明人： Munehiro Azami , Shou Nagao , Yoshifumi Tanada
IPC分类号： G09G3/36 , H03K19/0175
CPC分类号： H01L29/786 , H03K19/01714 , H03K19/01721
摘要： There is provided a semiconductor device in which fabrication steps can be reduced by constructing a circuit using only TFTs of one conductivity type and in which a voltage amplitude of an output signal can be normally obtained. A capacitance (205) is provided between a gate and a source of a TFT (203) connected to an output node, and a circuit formed of TFTs (201) and (202) has a function to bring a node α into a floating state. When the node α is in the floating state, a potential of the node α is caused higher than VDD by using gate-source capacitance coupling of the TFT (203) through the capacitance (205), thus an output signal having an amplitude of VDD-GND can be normally obtained without causing amplitude attenuation due to the threshold value of the TFT.
摘要翻译：提供了一种半导体器件，其中可以通过仅使用一种导电类型的TFT构成电路并且可以正常获得输出信号的电压振幅来减小制造步骤。电容（205）设置在连接到输出节点的TFT（203）的栅极和源极之间，并且由TFT（201）和（202）形成的电路具有使节点α成为浮置状态的功能。当节点α处于浮置状态时，通过使用TFT（203）通过电容（205）的栅源电容耦合，使节点α的电位高于VDD，因此具有VDD的幅度的输出信号通常可以获得-GND，而不会由于TFT的阈值引起振幅衰减。

82. 发明授权

US08264445B2 Pulse output circuit, shift register and display device 有权
标题翻译：脉冲输出电路，移位寄存器和显示装置
公开(公告)号：US08264445B2
公开(公告)日：2012-09-11
申请号：US12575642
申请日：2009-10-08
申请人： Munehiro Azami , Shou Nagao , Yoshifumi Tanada
发明人： Munehiro Azami , Shou Nagao , Yoshifumi Tanada
IPC分类号： G09G3/36
CPC分类号： G11C19/28 , G02F1/13306 , G02F1/1333 , G09G3/36 , G09G3/3688 , G09G2310/0286 , G09G2330/021 , H01L27/1214 , H01L27/124
摘要： A drive circuit of a display device, which comprise only single conductive TFTs and in which amplitude of an output signal is normal, is provided.A pulse is inputted to TFTs 101 and 104 so that the TFTs would turn ON and then potential of a node á rises. When the potential of the node á reaches (VDD−VthN), the node á became in a floating state. Accordingly, a TFT 105 then turns ON, and potential of an output node rises as a clock signal reaches the level H. On the other hand, potential of a gate electrode of the TFT 105 further rises due to an operation of capacitance 107 as the potential of the output node rises, so that the potential of the output node would be higher than (VDD+VthN). Thus, the potential of the output node rises to VDD without voltage drop caused by a threshold of the TFT 105. An output at the subsequent stage is then inputted to TFTs 102 and 103 to turn the TFTs 102 and 103 ON, while the potential of the node á drops down to turn the TFT 105 OFF. A TFT 106 turns ON at the same time so that the potential of the output node would reach the level L.
摘要翻译：提供了仅包括单个导电TFT并且输出信号的幅度正常的显示装置的驱动电路。脉冲被输入到TFT 101和104，使得TFT将导通，然后节点á的电位升高。当节点á的电位达到（VDD-VthN）时，节点á变为浮动状态。因此，TFT 105然后导通，并且输出节点的电位随着时钟信号达到电平H而升高。另一方面，TFT 105的栅电极的电位由于电容107的操作而进一步上升，因为输出节点的电位上升，使得输出节点的电位将高于（VDD + VthN）。因此，输出节点的电位上升到VDD而没有由TFT105的阈值引起的电压降。然后，后级的输出被输入到TFT 102和103，以使TFT 102和103接通，同时节点á下降以关闭TFT 105。 TFT 106同时导通，使得输出节点的电位达到电平L.

83. 发明申请

US20120012888A1 LIGHT EMITTING DEVICE 有权
公开(公告)号：US20120012888A1
公开(公告)日：2012-01-19
申请号：US13241351
申请日：2011-09-23
申请人： Shunpei Yamazaki , Jun Koyama , Tatsuya Arao , Munehiro Azami
发明人： Shunpei Yamazaki , Jun Koyama , Tatsuya Arao , Munehiro Azami
IPC分类号： H01L27/15
CPC分类号： H01L27/3265 , H01L27/124 , H01L27/1255 , H01L27/3246 , H01L27/3258 , H01L27/3262 , H01L27/3276 , H01L29/78633
摘要： A light emitting device is provided which can prevent a change in gate voltage due to leakage or other causes and at the same time can prevent the aperture ratio from lowering. A capacitor storage is formed from a connection wiring line, an insulating film, and a capacitance wiring line. The connection wiring line is formed over a gate electrode and an active layer of a TFT of a pixel, and is connected to the active layer. The insulating film is formed on the connection wiring line. The capacitance wiring line is formed on the insulating film. This structure enables the capacitor storage to overlap the TFT, thereby increasing the capacity of the capacitor storage while keeping the aperture ratio from lowering. Accordingly, a change in gate voltage due to leakage or other causes can be avoided to prevent a change in luminance of an OLED and flickering of screen in analog driving.

84. 发明授权

US07903079B2 Semiconductor device 有权
标题翻译：半导体器件
公开(公告)号：US07903079B2
公开(公告)日：2011-03-08
申请号：US12552718
申请日：2009-09-02
申请人： Munehiro Azami , Shou Nagao , Yoshifumi Tanada
发明人： Munehiro Azami , Shou Nagao , Yoshifumi Tanada
IPC分类号： G09G3/36 , H03K19/0175
CPC分类号： H01L29/786 , H03K19/01714 , H03K19/01721
摘要： There is provided a semiconductor device in which fabrication steps can be reduced by constructing a circuit using only TFTs of one conductivity type and in which a voltage amplitude of an output signal can be normally obtained. A capacitance (205) is provided between a gate and a source of a TFT (203) connected to an output node, and a circuit formed of TFTs (201) and (202) has a function to bring a node α into a floating state. When the node α is in the floating state, a potential of the node α is caused higher than VDD by using gate-source capacitance coupling of the TFT (203) through the capacitance (205), thus an output signal having an amplitude of VDD-GND can be normally obtained without causing amplitude attenuation due to the threshold value of the TFT.
摘要翻译：提供了一种半导体器件，其中可以通过仅使用一种导电类型的TFT构成电路并且可以正常获得输出信号的电压振幅来减小制造步骤。电容（205）设置在连接到输出节点的TFT（203）的栅极和源极之间，并且由TFT（201）和（202）形成的电路具有使节点α成为浮置状态的功能。当节点α处于浮置状态时，通过使用TFT（203）通过电容（205）的栅源电容耦合，使节点α的电位高于VDD，因此具有VDD的幅度的输出信号通常可以获得-GND，而不会由于TFT的阈值引起振幅衰减。

85. 发明授权

US07808002B2 Light emitting device 有权
标题翻译：发光装置
公开(公告)号：US07808002B2
公开(公告)日：2010-10-05
申请号：US11773172
申请日：2007-07-03
申请人： Shunpei Yamazaki , Jun Koyama , Tatsuya Arao , Munehiro Azami
发明人： Shunpei Yamazaki , Jun Koyama , Tatsuya Arao , Munehiro Azami
IPC分类号： H01L29/04
CPC分类号： H01L27/3265 , H01L27/124 , H01L27/1255 , H01L27/3246 , H01L27/3258 , H01L27/3262 , H01L27/3276 , H01L29/78633
摘要： A light emitting device is provided which can prevent a change in gate voltage due to leakage or other causes and at the same time can prevent the aperture ratio from lowering. A capacitor storage is formed from a connection wiring line, an insulating film, and a capacitance wiring line. The connection wiring line is formed over a gate electrode and an active layer of a TFT of a pixel, and is connected to the active layer. The insulating film is formed on the connection wiring line. The capacitance wiring line is formed on the insulating film. This structure enables the capacitor storage to overlap the TFT, thereby increasing the capacity of the capacitor storage while keeping the aperture ratio from lowering. Accordingly, a change in gate voltage due to leakage or other causes can be avoided to prevent a change in luminance of an OLED and flickering of screen in analog driving.
摘要翻译：提供一种可以防止由于泄漏或其它原因引起的栅极电压变化并且同时可以防止开口率降低的发光器件。电容器存储器由连接布线，绝缘膜和电容布线形成。连接布线形成在栅电极和像素的TFT的有源层上，并与有源层连接。绝缘膜形成在连接布线上。电容布线形成在绝缘膜上。这种结构使得电容器存储与TFT重叠，从而在保持开口率降低的同时增加电容器存储的容量。因此，可以避免由于泄漏或其他原因导致的栅极电压的变化，以防止OLED的亮度变化和模拟驱动中屏幕的闪烁。

86. 发明申请

US20100090994A1 Image Display Device and Driving Method Thereof 失效
标题翻译：图像显示装置及其驱动方法
公开(公告)号：US20100090994A1
公开(公告)日：2010-04-15
申请号：US12639049
申请日：2009-12-16
申请人： Yukio Tanaka , Munehiro Azami , Yasushi Kubota , Hajime Washio
发明人： Yukio Tanaka , Munehiro Azami , Yasushi Kubota , Hajime Washio
IPC分类号： G09G5/00 , G09G3/36 , H04N5/66
CPC分类号： G09G3/3688 , G09G2310/027 , G09G2310/0297
摘要： An occupying area of a digital system signal line driver circuit in an image display device is large and this hinders the miniaturization of the display device. A memory circuit and a D/A converter circuit in the signal line driver circuit are commonly used for n (“n” is a natural number equal to or larger than 2) signal lines. One horizontal scanning period is divided into n periods and the memory circuit and the D/A converter circuit each perform processing for different signal lines during each of the divided periods. Thus, all the signal lines can be driven. Therefore, the number of memory circuits and the number of D/A converter circuits in the signal line driver circuit can be reduced to one n-th in a conventional case.
摘要翻译：图像显示装置中的数字系统信号线驱动电路的占有面积大，妨碍显示装置的小型化。信号线驱动电路中的存储电路和D / A转换电路通常用于n（“n”是等于或大于2的自然数）的信号线。一个水平扫描周期被分为n个周期，并且存储器电路和D / A转换器电路在每个分割周期期间各自执行不同信号线的处理。因此，可以驱动所有的信号线。因此，在常规情况下，信号线驱动电路中的存储电路数量和D / A转换电路的数量可以减少到1 / n。

87. 发明授权

US07649516B2 Light emitting device 有权
标题翻译：发光装置
公开(公告)号：US07649516B2
公开(公告)日：2010-01-19
申请号：US11211075
申请日：2005-08-25
申请人： Munehiro Azami , Yoshifumi Tanada
发明人： Munehiro Azami , Yoshifumi Tanada
IPC分类号： G09G3/36 , G09G3/30
CPC分类号： G09G3/3266 , G09G3/2022 , G09G3/3258 , G09G2300/0809 , G09G2300/0838 , G09G2300/0842 , G09G2300/0852 , G09G2310/0251 , G09G2320/043
摘要： A pixel having a structure in which low voltage drive is possible is provided by a simple process. A digital image signal input from a source signal line is input to the pixel through a switching TFT. At this point, a voltage compensation circuit amplifies the voltage amplitude of the digital image signal or transforms the amplitude, and applies the result to a gate electrode of a driver TFT. On-off control of TFTs within the pixel can thus be performed normally even if the voltage of a power source for driving gate signal lines becomes lower.
摘要翻译：通过简单的处理提供具有可以进行低电压驱动的结构的像素。从源极信号线输入的数字图像信号通过开关TFT输入到像素。此时，电压补偿电路放大数字图像信号的电压振幅或变换振幅，并将结果施加到驱动TFT的栅电极。即使用于驱动栅极信号线的电源的电压变低，因此也可以正常地进行像素内的TFT的开关控制。

88. 发明申请

US20070158689A1 D/A conversion circuit and semiconductor device 有权
公开(公告)号：US20070158689A1
公开(公告)日：2007-07-12
申请号：US11709072
申请日：2007-02-22
申请人： Jun Koyama , Mitsuaki Osame , Yukio Tanaka , Munehiro Azami , Naoko Yano , Shou Nagao
发明人： Jun Koyama , Mitsuaki Osame , Yukio Tanaka , Munehiro Azami , Naoko Yano , Shou Nagao
IPC分类号： H01L27/10
CPC分类号： H01L27/1214 , G09G3/20 , G09G3/2011 , G09G3/3677 , G09G3/3688 , G09G2310/0218 , G09G2310/027 , G09G2310/0297 , H01L21/84 , H01L29/04 , H03K17/6872 , H03K17/693 , H03M1/682 , H03M1/765
摘要： A D/A conversion circuit with a small area is provided. In the D/A conversion circuit, according to a digital signal transmitted from address lines of an address decoder, one of four gradation voltage lines is selected. A circuit including two N-channel TFTs is connected in series to a circuit including two P-channel TFT, and a circuit including the circuits connected in series to each other is connected in parallel to each of the gradation voltage lines. Further, an arrangement of the circuit including the two N-channel TFTs and the circuit including the two P-channel TFTs is reversed for every gradation voltage line. By this, the crossings of wiring lines in the D/A conversion circuit becomes small and the area can be made small.

89. 发明申请

US20060267916A1 Image display device and driving method thereof 有权
公开(公告)号：US20060267916A1
公开(公告)日：2006-11-30
申请号：US11498166
申请日：2006-08-03
申请人： Munehiro Azami
发明人： Munehiro Azami
IPC分类号： G09G3/36
CPC分类号： G09G3/3614 , G09G3/3225 , G09G3/3275 , G09G3/3291 , G09G3/3648 , G09G3/3688 , G09G3/3696 , G09G2300/0809 , G09G2310/027 , G09G2310/0297 , G09G2320/0276
摘要： A novel driving method is provided in which source line inverting drive or dot inverting drive is performed for a case of driving a plurality of source lines by one D/A converter circuit in a source signal line driver circuit of an active matrix image display drive that corresponds to digital image signal input. In a first driving method of the present invention, two systems of grey-scale electric power supply lines are supplied to a source signal line driver circuit in order to obtain output having differing polarities from a D/A converter circuit, switches for connecting to the two systems of grey-scale electric power supply lines are prepared in each D/A converter circuit, the grey-scale electric power supply lines connected to each D/A converter circuit are switched in accordance with a control signal input to the switches, and source line inverting drive or dot inverting drive are performed.

90. 发明申请

US20060202940A1 Pulse Output Circuit, Shift Register and Display Device 有权
标题翻译：脉冲输出电路，移位寄存器和显示器件
公开(公告)号：US20060202940A1
公开(公告)日：2006-09-14
申请号：US11420404
申请日：2006-05-25
申请人： Munehiro Azami , Shou Nagao , Yoshifumi Tanada
发明人： Munehiro Azami , Shou Nagao , Yoshifumi Tanada
IPC分类号： G09G3/36
CPC分类号： G11C19/28 , G02F1/13306 , G02F1/1333 , G09G3/36 , G09G3/3688 , G09G2310/0286 , G09G2330/021 , H01L27/1214 , H01L27/124
摘要： A drive circuit of a display device, which comprise only single conductive TFTs and in which amplitude of an output signal is normal, is provided. A pulse is inputted to TFTs 101 and 104 so that the TFTs would turn ON and then potential of a node á rises. When the potential of the node á reaches (VDD−VthN), the node á became in a floating state. Accordingly, a TFT 105 then turns ON, and potential of an output node rises as a clock signal reaches the level H. On the other hand, potential of a gate electrode of the TFT 105 further rises due to an operation of capacitance 107 as the potential of the output node rises, so that the potential of the output node would be higher than (VDD+VthN). Thus, the potential of the output node rises to VDD without voltage drop caused by a threshold of the TFT 105. An output at the subsequent stage is then inputted to TFTs 102 and 103 to turn the TFTs 102 and 103 ON, while the potential of the node á drops down to turn the TFT 105 OFF. A TFT 106 turns ON at the same time so that the potential of the output node would reach the level L.
摘要翻译：提供了仅包括单个导电TFT并且输出信号的幅度正常的显示装置的驱动电路。脉冲被输入到TFT 101和104，使得TFT将导通，然后节点á的电位升高。当节点á的电位达到（VDD-VthN）时，节点á变为浮动状态。因此，TFT 105然后导通，并且输出节点的电位随着时钟信号达到电平H而上升。另一方面，由于电容107的操作，TFT 105的栅电极的电位进一步上升，输出节点的电位上升，使得输出节点的电位将高于（VDD + VthN）。因此，输出节点的电位上升到VDD而没有由TFT105的阈值引起的电压降。然后，后级的输出被输入到TFT 102和103，以使TFT 102和103接通，同时节点á下降以关闭TFT 105。 TFT 106同时导通，使得输出节点的电位达到电平L.

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