公开(公告)号：US07764264B2

公开(公告)日：2010-07-27

申请号：US11600757

申请日：2006-11-17

申请人： Takayuki Nakao ,  Masahiro Maki ,  Hideo Sato ,  Toshio Miyazawa

发明人： Takayuki Nakao ,  Masahiro Maki ,  Hideo Sato ,  Toshio Miyazawa

IPC分类号： G09G3/36 ,  G09G5/00 ,  G11C19/00

CPC分类号： G11C19/184 ,  G09G3/20 ,  G09G3/3677 ,  G09G2310/0267 ,  G09G2310/0283

摘要： The present invention provides a display device that has a driving circuit including a single channel bidirectional shift register with which the circuit scale can be reduced without increasing the number of elements.The driving circuit includes a single channel bidirectional shift register. This single channel bidirectional shift register has an RS flip-flop circuit. The RS flip-flop circuit includes a first transistor having a first electrode connected to an output terminal and having a second electrode to which a second scanning direction control signal is applied and a second transistor having a first electrode connected to an output terminal and having a second electrode to which a first scanning direction control signal is applied. In this circuit configuration, a resetting signal is applied to a control electrode of the first transistor in a first scanning direction, a setting signal is applied to the control electrode of the first transistor in a second scanning direction which is a direction opposite to the first scanning direction. The setting signal is also applied to a control electrode of the second transistor in the first scanning direction, and the resetting signal is also applied to the control electrode of the second transistor in the second scanning direction.

摘要翻译： 本发明提供一种具有包括单通道双向移位寄存器的驱动电路的显示装置，可以在不增加元件数量的情况下减小电路规模。 驱动电路包括单通道双向移位寄存器。 该单通道双向移位寄存器具有RS触发器电路。 RS触发器电路包括第一晶体管，其具有连接到输出端子的第一电极，并且具有施加第二扫描方向控制信号的第二电极和具有连接到输出端子的第一电极的第二晶体管， 施加了第一扫描方向控制信号的第二电极。 在该电路结构中，复位信号沿第一扫描方向施加到第一晶体管的控制电极，设定信号以与第一晶体管的第一扫描方向相反的方向的第二扫描方向施加到第一晶体管的控制电极 扫描方向。 该设定信号也在第一扫描方向上施加到第二晶体管的控制电极，并且复位信号也被施加到第二晶体管的控制电极沿第二扫描方向。

公开(公告)号：US07746306B2

公开(公告)日：2010-06-29

申请号：US11753942

申请日：2007-05-25

申请人： Toshio Miyazawa

发明人： Toshio Miyazawa

IPC分类号： G09G3/36

CPC分类号： G09G3/2011 ,  G09G3/3685 ,  G09G3/3688 ,  G09G2310/027

摘要： A display device including: a plurality of pixels arranged in a matrix array; a selector circuit for selecting one from a plurality of rows of pixels in said matrix array; and a video signal supplying circuit for supplying a video signal to each of pixels in said selected row in synchronism with said selection of said selected row, wherein said video signal supplying circuit is provided with a transfer-data processing section for generating a data signal at a time assigned to a gray scale level, in accordance with n-bit data information representing said gray scale level, and a gray-scale voltage selector circuit section for supplying as said video signal, a voltage signal selected from among a plurality of gray-scale voltages, based upon said time associated with said data signal, said plurality of gray-scale voltages being successively selected.

摘要翻译： 一种显示装置，包括：排列成矩阵阵列的多个像素; 选择器电路，用于从所述矩阵阵列中的多行像素中选择一个; 以及视频信号提供电路，用于与所选择的行的所述选择同步地向视频信号提供所述选定行中的每个像素，其中所述视频信号提供电路设置有传送数据处理部分，用于产生数据信号 根据表示所述灰度级的n位数据信息，分配给灰度级的时间，以及灰度级电压选择器电路部分，用于将所述视频信号中的多个灰度级选择电压信号， 基于与所述数据信号相关联的所述时间，所述多个灰度级电压被连续地选择。

公开(公告)号：US20100073389A1

公开(公告)日：2010-03-25

申请号：US12591594

申请日：2009-11-24

申请人： Kozo Yasuda ,  Toshio Miyazawa ,  Hiroyuki Abe

发明人： Kozo Yasuda ,  Toshio Miyazawa ,  Hiroyuki Abe

IPC分类号： G09G5/00 ,  G06F12/02

CPC分类号： G09G3/3648 ,  G09G3/2074 ,  G09G3/3614 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2300/0809 ,  G09G2300/0814 ,  G09G2300/0842 ,  G09G2300/0857 ,  G09G2330/021

摘要： In a display device which arranges a memory part for every display pixel, an erroneous operation of the memory part and the power consumption can be reduced. In a display device provided with a display panel which includes a plurality of display pixels, video lines which apply video data to the display pixels, and scanning lines which apply a scanning voltage to the display pixels, the display pixel includes a memory part which stores the video data, a pixel electrode, and a switching part which selectively applies a first video voltage or a second video voltage which differs from the first video voltage to the pixel electrode in response to the video data stored in the memory part.

摘要翻译： 在为每个显示像素配置存储器部分的显示装置中，可以减少存储部件的错误操作和功耗。 在设置有显示面板的显示装置中，显示面板包括多个显示像素，将视频数据应用于显示像素的视频线以及对显示像素施加扫描电压的扫描线，显示像素包括存储部 视频数据，像素电极和切换部分，其响应于存储在存储器部分中的视频数据，选择性地将与第一视频电压不同的第一视频电压或第二视频电压施加到像素电极。

公开(公告)号：US07675592B2

公开(公告)日：2010-03-09

申请号：US11812770

申请日：2007-06-21

申请人： Takahiro Ochiai ,  Takayuki Nakao ,  Daisuke Sonoda ,  Hidekazu Miyake ,  Toshio Miyazawa ,  Masahiro Maki ,  Tohru Sasaki

发明人： Takahiro Ochiai ,  Takayuki Nakao ,  Daisuke Sonoda ,  Hidekazu Miyake ,  Toshio Miyazawa ,  Masahiro Maki ,  Tohru Sasaki

IPC分类号： G02F1/1335 ,  G02F1/1343

CPC分类号： G02F1/136227 ,  G02F1/133371 ,  G02F1/133555 ,  G02F1/134363 ,  G02F1/13454 ,  G09G3/3655 ,  G09G2300/0456

摘要： The manufacturing yield of transflective liquid crystal display devices is to be enhanced. In a transflective liquid crystal display device including a liquid crystal display panel having a pair of substrates and a liquid crystal layer held between the pair of substrates, the liquid crystal display panel has a plurality of subpixels each having a transmissive part and a reflective part, wherein one of the pair of substrates has: an active element; a first insulating film disposed in a higher layer than the electrode of the active element and having a first contact hole; a counter electrode disposed in a higher layer than the first insulating film; a reflective electrode disposed in the reflective part in a higher layer than the counter electrode; a second insulating film disposed in a higher layer than the counter electrode and the reflective electrode and having a second contact hole; a pixel electrode disposed in a higher layer than the second insulating film; and an electroconductor formed in the first contact hole and electrically connected to the electrode of the active element, and the pixel electrode is electrically connected to the electroconductor via the second contact hole.

摘要翻译： 半透射型液晶显示装置的制造成品率得到提高。 在包括具有一对基板的液晶显示面板和保持在一对基板之间的液晶层的半透射型液晶显示装置中，液晶显示面板具有多个子像素，每个子像素具有透射部分和反射部分， 其中所述一对基板中的一个具有：有源元件; 第一绝缘膜，设置在比所述有源元件的电极高的层中，并具有第一接触孔; 设置在比所述第一绝缘膜高的层中的对置电极; 反射电极，设置在比对电极高的层中的反射部分中; 第二绝缘膜设置在比对电极和反射电极更高的层中，并具有第二接触孔; 设置在比所述第二绝缘膜高的层中的像素电极; 以及形成在第一接触孔中并且电连接到有源元件的电极的电导体，并且像素电极经由第二接触孔电连接到电导体。

公开(公告)号：US20100032674A1

公开(公告)日：2010-02-11

申请号：US12536097

申请日：2009-08-05

申请人： Takeshi Noda ,  Toshio Miyazawa ,  Takuo Kaitoh ,  Takumi Shigaki

发明人： Takeshi Noda ,  Toshio Miyazawa ,  Takuo Kaitoh ,  Takumi Shigaki

IPC分类号： H01L33/00

CPC分类号： G02F1/13624 ,  G02F2202/104

摘要： An object of the present invention is to provide a display device where small thin film transistors with a lower off current can be formed. The present invention provides a display device where thin film transistors are formed on a substrate, and in the above described thin film transistors, a gate electrode is formed on a semiconductor layer with a gate insulating film in between, the above described thin film transistors are formed of at least a first thin film transistor and a second thin film transistor, and the above described semiconductor layer is divided into individual regions for each film transistor, the above described semiconductor layer is provided with a common region shared either by the drain region of the above described first thin film transistor and the source region of the above described second thin film transistor or by the source region of the above described first thin film transistor and the drain region of the above described second thin film transistor, in the first thin film transistor and the second thin film transistor, the semiconductor layer is provided with LDD regions where the impurity concentration is lower than in the above described drain region and the above described source region, between the channel region and the drain region, as well as between the channel region and the source region, and the above described gate electrode is formed so as to overlap with the above described common region in the above described semiconductor layer and face at least the above described channel region and the above described LDD regions of the above described first thin film transistor and the above described channel region and the above described LDD regions of the above described second thin film transistor.

摘要翻译： 本发明的目的是提供一种可以形成具有较低截止电流的小型薄膜晶体管的显示装置。 本发明提供了一种在基板上形成薄膜晶体管的显示装置，在上述薄膜晶体管中，在半导体层之间形成有栅极绝缘膜的栅电极，上述薄膜晶体管 由至少第一薄膜晶体管和第二薄膜晶体管形成，并且上述半导体层被分成用于每个薄膜晶体管的各个区域，上述半导体层设置有共同区域，其共同区域由 上述第一薄膜晶体管和上述第二薄膜晶体管的源极区域或上述第一薄膜晶体管的源极区域和上述第二薄膜晶体管的漏极区域在第一薄膜 晶体管和第二薄膜晶体管，半导体层设置有LDD区，其中杂质c 浓度低于上述漏极区域和上述源极区域，沟道区域和漏极区域之间以及沟道区域和源极区域之间，并且上述栅极电极形成为重叠 在上述半导体层中具有上述公共区域并且至少面向上述第一薄膜晶体管的上述沟道区域和上述LDD区域以及上述沟道区域和上述上述LDD区域 描述的第二薄膜晶体管。

公开(公告)号：US20090256792A1

公开(公告)日：2009-10-15

申请号：US12420991

申请日：2009-04-09

申请人： Katsumi MATSUMOTO ,  Kozo Yasuda ,  Naohisa Ando ,  Toshio Miyazawa

发明人： Katsumi MATSUMOTO ,  Kozo Yasuda ,  Naohisa Ando ,  Toshio Miyazawa

IPC分类号： G09G3/36 ,  H03L5/00

CPC分类号： G09G3/3688 ,  G09G2310/0289 ,  G09G2330/08

摘要： An object of the present invention is to increase the reliability in the level shift operation in a display device provided with a level shift circuit. The display device according to the present invention is characterized in that the above described level shift circuit comprises: a first thin film transistor having a semiconductor layer formed of a polysilicon layer; a waveform rectifying circuit connected to a second electrode of the above described first thin film transistor; and a constant current source and a switching element connected between the second electrode of the above described first thin film transistor and a reference power source, wherein a bias voltage is inputted into a control electrode of the above described first thin film transistor and an input signal is inputted into a first electrode of the above described first thin film transistor.

摘要翻译： 本发明的目的是提高具有电平移位电路的显示装置中的电平移位操作的可靠性。 根据本发明的显示装置的特征在于，上述电平移位电路包括：具有由多晶硅层形成的半导体层的第一薄膜晶体管; 波形整流电路，连接到上述第一薄膜晶体管的第二电极; 以及连接在上述第一薄膜晶体管的第二电极和参考电源之间的恒流源和开关元件，其中偏置电压被输入到上述第一薄膜晶体管的控制电极和输入信号 被输入到上述第一薄膜晶体管的第一电极中。

公开(公告)号：US20090218574A1

公开(公告)日：2009-09-03

申请号：US12379095

申请日：2009-02-12

申请人： Takeshi Noda ,  Toshio Miyazawa ,  Takuo Kaitoh ,  Daisuke Sonoda ,  Takeshi Kuriyagawa

发明人： Takeshi Noda ,  Toshio Miyazawa ,  Takuo Kaitoh ,  Daisuke Sonoda ,  Takeshi Kuriyagawa

IPC分类号： H01L33/00

CPC分类号： H01L27/127 ,  H01L27/1214 ,  H01L29/66765 ,  H01L29/78621

摘要： A display device includes a thin film transistor above a substrate, in which the thin film transistor is configured to include a gate electrode, a gate insulating film formed to cover the gate electrode, a semiconductor layer formed to stride over the gate electrode on the gate insulating film, an inter-layer insulating film formed to cover the semiconductor layer, and a pair of electrodes formed to be connected to each of sides of the semiconductor layer interposing the gate electrode therebetween through contact holes formed through the inter-layer insulating film, high concentration impurity layers are formed at each connecting portion of the electrodes of the semiconductor layer, and an annular low-concentration impurity layer is formed to surround at least one of the high concentration impurity layers.

摘要翻译： 显示装置包括在基板上方的薄膜晶体管，其中薄膜晶体管被配置为包括栅极电极，形成为覆盖栅电极的栅极绝缘膜，形成为跨越栅极上的栅极电极的半导体层 绝缘膜，形成为覆盖半导体层的层间绝缘膜，以及一对电极，其形成为通过穿过该层间绝缘膜形成的接触孔而将半导体层的每一侧连接在其间的栅电极， 在半导体层的电极的每个连接部分处形成高浓度杂质层，并且形成环状低浓度杂质层以包围至少一个高浓度杂质层。

公开(公告)号：US07545355B2

公开(公告)日：2009-06-09

申请号：US09834919

申请日：2001-04-16

申请人： Hajime Akimoto ,  Toshio Miyazawa

发明人： Hajime Akimoto ,  Toshio Miyazawa

IPC分类号： G09G3/36

CPC分类号： G09G5/395 ,  G09G3/3648 ,  G09G2300/0408 ,  G09G2330/021

摘要： In an image display apparatus having a memory function of image data, the power consumption is reduced. This effect can be attained by providing each DRAM memory cell with an amplifying FET.

摘要翻译： 在具有图像数据的存储功能的图像显示装置中，功耗降低。 通过为每个DRAM存储单元提供放大FET可以实现该效果。

公开(公告)号：US20090102822A1

公开(公告)日：2009-04-23

申请号：US12335926

申请日：2008-12-16

申请人： Mitsuru Goto ,  Nobuhiko Hosotani ,  Toshio Miyazawa ,  Hiroyuki Takahashi ,  Hitoshi Komeno

发明人： Mitsuru Goto ,  Nobuhiko Hosotani ,  Toshio Miyazawa ,  Hiroyuki Takahashi ,  Hitoshi Komeno

IPC分类号： G09G5/00

CPC分类号： G09G3/3611 ,  G09G3/20 ,  G09G3/3648 ,  G09G3/3685 ,  G09G2300/02

摘要： The present invention provides an integral-type liquid crystal display module having a first display panel and a second display panel which can use a display panel of high resolution as the second display panel. The display device includes a first display panel, a second display panel, and a first flexible printed circuit board which connects the first display panel and the second display panel. Here, the first display panel includes display drive means. Video lines of the second display panel are connected with the display drive means through connection lines for video lines of the first flexible printed circuit board. Further, the second display panel includes scanning line drive means which supplies drive voltages to scanning lines of the second display panel.

摘要翻译： 本发明提供一种具有可以使用高分辨率的显示面板作为第二显示面板的第一显示面板和第二显示面板的整体型液晶显示模块。 显示装置包括第一显示面板，第二显示面板和连接第一显示面板和第二显示面板的第一柔性印刷电路板。 这里，第一显示面板包括显示驱动装置。 第二显示面板的视频线通过第一柔性印刷电路板的视频线的连接线与显示驱动装置连接。 此外，第二显示面板包括向第二显示面板的扫描线提供驱动电压的扫描线驱动装置。

公开(公告)号：US20090095957A1

公开(公告)日：2009-04-16

申请号：US12285820

申请日：2008-10-15

申请人： Hidekazu Miyake ,  Takuo Kaitoh ,  Takeshi Kuriyagawa ,  Toshio Miyazawa

发明人： Hidekazu Miyake ,  Takuo Kaitoh ,  Takeshi Kuriyagawa ,  Toshio Miyazawa

IPC分类号： H01L33/00 ,  H01L21/00

CPC分类号： H01L29/78696 ,  H01L27/1229 ,  H01L27/1251 ,  H01L29/66765

摘要： To provide a display device, including a polysilicon thin film transistor, which achieves a reduction of an off current with a simple configuration and with only a slight increase in a number of processes. A display device includes: an insulating substrate, and a thin film transistor formed on the insulating substrate, wherein a semiconductor layer of the thin film transistor has a polysilicon layer, a first amorphous silicon layer formed above the polysilicon layer, and a second amorphous silicon layer formed above the first amorphous silicon layer.

摘要翻译： 提供一种包括多晶硅薄膜晶体管的显示装置，其以简单的配置实现了关断电流的降低，并且仅有少量的处理量增加。 一种显示装置，包括：绝缘基板和形成在所述绝缘基板上的薄膜晶体管，其中，所述薄膜晶体管的半导体层具有多晶硅层，形成在所述多晶硅层上方的第一非晶硅层，以及第二非晶硅 层形成在第一非晶硅层之上。