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51. 发明专利

JP2007017992A Display device 有权
标题翻译：显示设备
公开(公告)号：JP2007017992A
公开(公告)日：2007-01-25
申请号：JP2006216746
申请日：2006-08-09
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： MIYAZAWA TOSHIO , HASEGAWA ATSUSHI , TAKEMOTO KAYAO , MAKI MASAHIRO , GOTO KAZUKI
IPC分类号： G09G3/36 , G02F1/133 , G02F1/1345 , G02F1/1368 , G09G3/20 , G11C19/00
摘要： PROBLEM TO BE SOLVED: To provide a display device provided with a dynamic ratioless shift register, which can be operated stably and expand the flexibility of designing. SOLUTION: The display device is provided with a display-drive circuit which includes the shift register on a surface of a substrate, and the shift register is constituted of a transistor, having a semiconductor layer. The transistor includes a gate terminal, a first terminal and a second terminal, a synchronous pulse is input into the first terminal; and when the gate terminal is in the floating state, a voltage of the gate terminal increases, in accordance with the change of the synchronous pulse from low level to high level according to a bootstrap effect. A switching circuit is disposed in between the gate terminal and a constant voltage power source line, a signal that sets the transistor to on-state is inputted, thereby, the switching circuit is set to off-state; and as the result, the bootstrap efficiency of the gate terminal is improved. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有动态无限位移寄存器的显示装置，其可以稳定地操作并且扩大设计的灵活性。解决方案：显示装置设置有显示驱动电路，该显示驱动电路在基板的表面上包括移位寄存器，移位寄存器由具有半导体层的晶体管构成。晶体管包括栅极端子，第一端子和第二端子，同步脉冲被输入到第一端子中; 并且当栅极端子处于浮置状态时，根据自举效应，根据同步脉冲从低电平变化到高电平，栅极端子的电压增加。开关电路设置在栅极端子和恒压电源线之间，输入将晶体管置于导通状态的信号，由此将开关电路设定为截止状态; 结果，提高了栅极端子的自举效率。版权所有（C）2007，JPO＆INPIT

52. 发明专利

JP2006010784A Display device 有权
标题翻译：显示设备
公开(公告)号：JP2006010784A
公开(公告)日：2006-01-12
申请号：JP2004184335
申请日：2004-06-23
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： MIYAZAWA TOSHIO , GOTO KAZUKI , HASEGAWA ATSUSHI
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20 , G11C19/00 , H01L29/04 , H03K19/003
CPC分类号： H03K19/00315 , G09G3/3677 , G09G3/3688
摘要： PROBLEM TO BE SOLVED: To provide a display device which can improve reliability or make the design/process tolerance flexible, by making the transistors stand higher voltages by means of circuitry. SOLUTION: This display device has two or more pixels and a drive circuit for driving them. This drive circuit has a 1st p-type transistor, whose 1st electrode is connected to a 1st power source line applied with a reference voltage V1, a 2nd p-type transistor whose 1st electrode is connected to the 2nd electrode of the above 1st transistor and its 2nd electrode to the output terminal, a 3rd n-type transistor whose 1st electrode is connected to a 2nd power source line applied with a reference voltage V2, and a 4th n-type transistor whose 1st electrode is connected to the 2nd electrode of the above 3rd transistor and its 2nd electrode to the output terminal. The control electrode of the 2nd transistor is applied with a 1st bias voltage of Vcp, and the control electrode of the above 4th transistor is applied with a 2nd bias voltage of Vcn, and the following expressions are satisfied: V2 COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过使电路通过电路使晶体管保持较高的电压来提供可以提高可靠性或使设计/过程公差灵活的显示装置。
解决方案：该显示装置具有两个或更多个像素和用于驱动它们的驱动电路。该驱动电路具有第一p型晶体管，其第一电极连接到施加有参考电压V1的第一电源线，第一p型晶体管的第一电极连接到上述第一晶体管的第二电极，其第二电极连接到输出端子，第三n型晶体管的第一电极连接到施加有参考电压V2的第二电源线，第四n型晶体管的第一电极连接到第二电极高于第三晶体管，其第二电极到输出端。第二晶体管的控制电极施加Vcp的第一偏置电压，并且上述第四晶体管的控制电极施加Vcn的第二偏置电压，并且满足以下表达式：V2

53. 发明专利

JP2004205957A Display device 有权
公开(公告)号：JP2004205957A
公开(公告)日：2004-07-22
申请号：JP2002377150
申请日：2002-12-26
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： SATO HIDEO , NISHITANI SHIGEYUKI , MIYAZAWA TOSHIO
IPC分类号： G09G3/20 , G09G3/36 , G09G5/00 , H03K17/00 , H03K19/0175 , H03K19/0185
CPC分类号： G09G3/3611 , G09G2310/0289 , H03K19/018571
摘要： PROBLEM TO BE SOLVED: To provide a display device capable of taking a low-amplitude input signal in.
SOLUTION: A level converting circuit has a 1st transistor of a 1st conductivity type which is applied at its gate electrode with the input signal through a 1st capacitive element, a 2nd transistor of a 2nd conductivity type which is applied at its gate electrode with the input signal through a 2nd capacitive element, a 1st bias circuit which applies a 1st bias voltage to the gate electrode of the 1st transistor, and a 2nd bias circuit which applies a 2nd bias voltage to the gate electrode of the 2nd transistor; and the 1st bias voltage is such a voltage that when the voltage applied to the gate electrode of the 1st transistor has the largest value, the 1st transistor turns off and the 2nd bias voltage is such a voltage that when the voltage applied to the gate electrode of the 2nd transistor has the smallest value, the 2nd transistor turns off.
COPYRIGHT: (C)2004,JPO&NCIPI

54. 发明专利

JP2011169949A Three-dimensional image display device 审中-公开
标题翻译：三维图像显示装置
公开(公告)号：JP2011169949A
公开(公告)日：2011-09-01
申请号：JP2010031136
申请日：2010-02-16
申请人： Hitachi Displays Ltd , Panasonic Liquid Crystal Display Co Ltd , パナソニック液晶ディスプレイ株式会社 , 株式会社日立ディスプレイズ
发明人： OWAKU YOSHIHARU , MIYAZAWA TOSHIO
IPC分类号： G02F1/13 , G02B27/22 , G02F1/1335 , G02F1/1343 , G03B35/18 , H04N13/04
摘要： PROBLEM TO BE SOLVED: To suppress the feeling of glare of an image when a visual field is moved, in a three-dimensional image by a parallax barrier system. SOLUTION: In a three-dimensional image display device using a liquid crystal parallax barrier panel, barrier patterns are formed like a stripe in a vertical direction by barrier electrodes 22 formed on a barrier substrate. The arrangement pitch of the barrier electrodes 22 is twice the pitch P of pixels formed on a liquid crystal display panel. The width of the barrier electrode 22 is set to be 70 to 90% with respect to the pitch P of the pixel, so that even when the visual field of an observer is moved, the feeling of glare of the image can be suppressed. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过视差屏障系统在视场移动时抑制图像的眩光感，在三维图像中。解决方案：在使用液晶视差屏障的三维图像显示装置中，通过形成在阻挡基板上的阻挡电极22在垂直方向上形成条状的阻挡图案。势垒电极22的配置间距是形成在液晶显示面板上的像素的间距P的两倍。阻挡电极22的宽度相对于像素的间距P被设定为70〜90％，使得即使当观察者的视野移动时，也能够抑制图像的眩光感。版权所有（C）2011，JPO＆INPIT

55. 发明专利

JP2011123503A Display device 有权
标题翻译：显示设备
公开(公告)号：JP2011123503A
公开(公告)日：2011-06-23
申请号：JP2011001652
申请日：2011-01-07
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： SATO HIDEO , MIYAZAWA TOSHIO
IPC分类号： G09G3/36 , G01J1/42 , G02F1/133 , G09G3/20 , G09G3/34 , H05B37/02
摘要： PROBLEM TO BE SOLVED: To provide a display device having an illuminance detection circuit capable of improving detection precision even when the external illuminance is low. SOLUTION: The display device has the illuminance detection circuit comprising: a photo sensor in which a photo current changes in accordance with external illuminance; a capacitor in which the photo current flows in the photo sensor and, thereby, charges are discharged; and a first transistor which outputs clock input to the first terminal when a voltage of the capacitor is a prescribed voltage or more. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有即使在外部照度低的情况下能够提高检测精度的照度检测电路的显示装置。解决方案：显示装置具有照度检测电路，其包括：光电传感器，其中光电流根据外部照度而变化; 电容器，其中光电流在光传感器中流动，从而电荷被放电; 以及当所述电容器的电压为规定电压以上时，向所述第一端子输出时钟输入的第一晶体管。版权所有（C）2011，JPO＆INPIT

56. 发明专利

JP2010039229A Display device 审中-公开
标题翻译：显示设备
公开(公告)号：JP2010039229A
公开(公告)日：2010-02-18
申请号：JP2008202525
申请日：2008-08-06
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： NODA TAKASHI , MIYAZAWA TOSHIO , KAITO TAKUO , SHIGAKI TAKUMI
IPC分类号： G02F1/1368 , G09F9/30 , H01L21/336 , H01L29/786
CPC分类号： G02F1/13624 , G02F2202/104
摘要： PROBLEM TO BE SOLVED: To provide a display device wherein off-current can be reduced and a size of a thin film transistor can be made small. SOLUTION: The thin film transistor includes first and second thin film transistors using regions of semiconductor layers as respective semiconductor layers and includes a common region common to one region of a drain region and a source region of the first thin film transistor and the other region of a drain region and a source region of the second thin film transistor. The first and second thin film transistors include LDD (Lightly Doped Drain) regions having impurity concentrations lower than those of the drain region and the source region between a channel region and the drain region and between a channel region and the source region, respectively, and a gate electrode is formed so as to extend over the common region of the semiconductor layer and face the channel regions and the respective LDD regions of the first and second thin film transistors. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种显示装置，其中可以减少截止电流并且可以使薄膜晶体管的尺寸变小。解决方案：薄膜晶体管包括使用半导体层的区域作为各自的半导体层的第一和第二薄膜晶体管，并且包括与漏极区域的一个区域和第一薄膜晶体管的源极区域共同的公共区域，漏极区域的另一区域和第二薄膜晶体管的源极区域。第一和第二薄膜晶体管分别包括杂质浓度低于沟道区域和漏极区域之间以及沟道区域和源极区域之间的漏极区域和源极区域的LDD（轻掺杂漏极）区域，以及栅电极形成为在半导体层的公共区域上延伸并面对第一和第二薄膜晶体管的沟道区域和相应的LDD区域。版权所有（C）2010，JPO＆INPIT

57. 发明专利

JP2010032974A Liquid crystal display device 审中-公开
标题翻译：液晶显示装置
公开(公告)号：JP2010032974A
公开(公告)日：2010-02-12
申请号：JP2008197754
申请日：2008-07-31
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： SASAKI TORU , OCHIAI TAKAHIRO , MIYAZAWA TOSHIO
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36
CPC分类号： G09G3/3688 , G09G3/3614 , G09G2310/0297 , G09G2330/021
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal display device which permits both higher video quality and lower power consumption thereof. SOLUTION: The liquid crystal display device comprises: a plurality of scanning signal lines GL; a plurality of video signal lines DL; a plurality of video signal input terminals DT fewer than the number of the video signal lines; and switch circuits 101 which are interposed between the video signal input terminals and video signal lines, wherein the switch circuits have a plurality of switch elements Tr2 and a plurality of switching lines ϕ1, ϕ2, ϕ3 of performing the switching of on/off of the switch element, the plurality of switch elements Tr2 connected with one of the video signal input terminals are respectively connected to different switching lines, a plurality of video signal lines connected with each of the switch element connected to one switching line are constituted such that the number of set of other video signal lines arranged between adjacent two video signal lines in the plurality of video signal lines is two or more. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种允许更高视频质量和更低功耗的液晶显示装置。解决方案：液晶显示装置包括：多条扫描信号线GL; 多个视频信号线DL; 多个视频信号输入端DT小于视频信号线的数量; 以及切换电路101，其插入在视频信号输入端子和视频信号线之间，其中开关电路具有多个开关元件Tr2和多个开关线路φ1，φ2，φ3，用于执行开关元件，与视频信号输入端子中的一个连接的多个开关元件Tr2分别连接到不同的开关线，与连接到一个开关线路的开关元件中的每一个连接的多个视频信号线构成为：布置在多个视频信号线中的相邻两个视频信号线之间的其他视频信号线的集合是两个或更多个。版权所有（C）2010，JPO＆INPIT

58. 发明专利

JP2009210880A Display device 有权
标题翻译：显示设备
公开(公告)号：JP2009210880A
公开(公告)日：2009-09-17
申请号：JP2008054732
申请日：2008-03-05
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： SHIGAKI TAKUMI , MIYAZAWA TOSHIO , SATO HIDEO , MAKI MASAHIRO
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20
CPC分类号： G09G3/3648 , G09G3/3614 , G09G3/3655 , G09G3/3677 , G09G2310/0286 , G09G2310/06 , G11C19/28 , G11C19/287
摘要： PROBLEM TO BE SOLVED: To improve the time likelihood to leak current of a floating memory node by increasing the writing frequency to the floating memory node. SOLUTION: A vertical drive circuit includes a shift register circuit and a common electrode drive circuit, the shift register circuit comprising a plurality of basic circuits outputting common electrode driving pulses based on an externally input transfer clock, and the common electrode driving circuit comprising a plurality of common basic circuits to which each common electrode driving pulse output from each basic circuit of the shift register circuit and the transfer clock are input. Each common basic circuit includes a circuit A which fetches an alternating signal based on the common electrode driving pulse, a circuit B which outputs, based on the alternating signal fetched by the circuit A, a first common voltage or a second common voltage differed in voltage level from the first common voltage to the corresponding common electrode, and a circuit C which holds a state of the circuit B based on the transfer clock. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过将浮动存储器节点的写入频率增加来提高浮动存储器节点的漏电流的时间可能性。解决方案：垂直驱动电路包括移位寄存器电路和公共电极驱动电路，移位寄存器电路包括基于外部输入的传输时钟输出公共电极驱动脉冲的多个基本电路，以及公共电极驱动电路包括输入从移位寄存器电路的每个基本电路和传送时钟输出的每个公共电极驱动脉冲的多个公共基本电路。每个公共基本电路包括基于公共电极驱动脉冲获取交替信号的电路A，基于由电路A取出的交替信号输出电压不同的第一公共电压或第二公共电压的电路B 从第一公共电压到相应的公共电极的电平，以及基于传送时钟保持电路B的状态的电路C. 版权所有（C）2009，JPO＆INPIT

59. 发明专利

JP2009206436A Display device, and manufacturing method thereof 有权
标题翻译：显示装置及其制造方法
公开(公告)号：JP2009206436A
公开(公告)日：2009-09-10
申请号：JP2008049882
申请日：2008-02-29
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： OUE EIJI , MIYAZAWA TOSHIO
IPC分类号： H01L29/786 , H01L21/336 , H01L21/8238 , H01L27/08 , H01L27/092 , H01L29/417 , H01L29/423 , H01L29/49
CPC分类号： H01L27/1214
摘要： PROBLEM TO BE SOLVED: To provide a display device configured to reduce the manufacture man-hour. SOLUTION: The display device has a thin film transistor TFT which has a gate electrode formed on an upper surface of a gate insulating film formed covering a semiconductor layer across the semiconductor layer, and also has a pair of electrodes disposed on an upper surface of the semiconductor layer opposed to each other with a region on the gate electrode interposed. The thin film transistor is composed of an n-type thin film transistor and a p-type thin film transistor, wherein a gate electrode of at least one of the n-type thin film transistor and p-type thin film transistor has a metal layer which is formed on the gate insulating film side and is made of a material different from the material of the gate electrode, and an LDD layer is formed in a semiconductor layer of at least one of the n-type thin film transistor and p-type thin film transistor. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种配置成减少制造工时的显示装置。解决方案：显示装置具有薄膜晶体管TFT，该薄膜晶体管TFT具有形成在跨越半导体层的覆盖半导体层的栅极绝缘膜的上表面上的栅极，并且还具有设置在上部的一对电极表面与半导体层相对置，并且栅极电极上的区域被插入。薄膜晶体管由n型薄膜晶体管和p型薄膜晶体管组成，其中n型薄膜晶体管和p型薄膜晶体管中的至少一个的栅电极具有金属层其形成在栅极绝缘膜侧，并且由与栅电极的材料不同的材料制成，并且在n型薄膜晶体管和p型晶体管中的至少一种的半导体层中形成LDD层薄膜晶体管。版权所有（C）2009，JPO＆INPIT

60. 发明专利

JP2009122376A Display device 审中-公开
标题翻译：显示设备
公开(公告)号：JP2009122376A
公开(公告)日：2009-06-04
申请号：JP2007295826
申请日：2007-11-14
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： SAITO TERUJI , OWAKU YOSHIHARU , MIYAZAWA TOSHIO
IPC分类号： G09F9/30 , H01L29/786
CPC分类号： G02F1/1345 , G02F1/136286 , G02F2001/13629 , H01L27/12 , H01L27/124 , H01L27/1248
摘要： PROBLEM TO BE SOLVED: To provide an image display device of high quality by securing reliability of a connection between a thin film transistor and a terminal portion. SOLUTION: In the display device which includes: an insulation substrate; thin film transistors which are formed on the insulation substrate; and terminal portions which are configured to supply voltages to the thin film transistors, the thin film transistor includes a gate electrode and a gate line which is formed of a material equal to a material of the gate electrode, a metal line is connected to the terminal portion, a first insulation film and a second insulation film which is made of a material different from a material of the first insulation film are sequentially stacked on the gate line, an opening which exposes the gate line is formed in the first insulation film and the second insulation film, a side wall surface of the opening is sequentially covered with a protective film, a first transparent conductive film and a third insulation film, the first transparent conductive film and a second transparent conductive film are sequentially stacked on an exposed portion of the gate line, and the second transparent conductive film is connected with the metal line. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过确保薄膜晶体管和端子部分之间的连接的可靠性来提供高质量的图像显示装置。解决方案：在显示装置中，包括：绝缘基板; 形成在绝缘基板上的薄膜晶体管; 以及被配置为向薄膜晶体管提供电压的端子部分，薄膜晶体管包括栅电极和栅极线，栅极线由与栅电极的材料相等的材料形成，金属线连接到端子第一绝缘膜和由与第一绝缘膜的材料不同的材料制成的第二绝缘膜依次层叠在栅极线上，在第一绝缘膜中形成露出栅极线的开口，第二绝缘膜，开口的侧壁表面依次被保护膜，第一透明导电膜和第三绝缘膜覆盖，第一透明导电膜和第二透明导电膜依次层叠在所述第一绝缘膜的暴露部分上栅极线，第二透明导电膜与金属线连接。版权所有（C）2009，JPO＆INPIT

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