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21. 发明专利

JP2011034540A Display device 审中-公开
标题翻译：显示设备
公开(公告)号：JP2011034540A
公开(公告)日：2011-02-17
申请号：JP2009183214
申请日：2009-08-06
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： HASEGAWA ATSUSHI
IPC分类号： G06F3/041 , G02F1/133 , G02F1/1333 , G09G3/20 , G09G3/36
摘要： PROBLEM TO BE SOLVED: To prevent fluctuation of sensor output voltage by variations in characteristics of a thin film transistor in a display panel including a pixel with built-in optical sensor set in array. SOLUTION: The display device includes a display panel having a plurality of pixels, at least one pixel of the plurality of pixels having an optical sensor. The display panel has an output line for extracting output of the optical sensor, and the optical sensor includes a light receiving part, a capacitative element, and a switching transistor connected between a connecting point between the light receiving part and the capacitative element, and the output line. The switching transistor is ON after one frame period to extract the output of the optical sensor from the output line. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过设置在阵列中的内置光学传感器的像素的显示面板中的薄膜晶体管的特性的变化来防止传感器输出电压的波动。解决方案：显示装置包括具有多个像素的显示面板，多个像素中的至少一个像素具有光学传感器。显示面板具有用于提取光学传感器的输出的输出线，并且光学传感器包括光接收部分，电容元件和连接在光接收部分和电容元件之间的连接点之间的开关晶体管，以及输出线。开关晶体管在一帧周期之后为ON，从输出线提取光学传感器的输出。版权所有（C）2011，JPO＆INPIT

22. 发明专利

JP2007328210A Liquid crystal display device 有权
标题翻译：液晶显示装置
公开(公告)号：JP2007328210A
公开(公告)日：2007-12-20
申请号：JP2006160428
申请日：2006-06-09
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： TANABE HIDEO , TAKAHATA MASARU , KANEKO TOSHITERU , HASEGAWA ATSUSHI , SEHATA HIROKO
IPC分类号： G02F1/1343
CPC分类号： G02F1/133345 , G02F1/133305 , G02F1/133504 , G02F1/133555 , G02F1/134363 , G02F1/136213 , G02F1/136227 , G02F1/1368 , G02F2001/13685 , H01L27/124 , H01L27/1248 , H01L29/78675
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal display device having a large holding capacity in a pixel. SOLUTION: The liquid crystal display device includes a picture signal line, a pixel electrode, a thin film transistor having a first electrode connected to the picture signal line and a second electrode, a first silicon nitride film, an organic insulating film, a capacitive electrode formed as a layer located above the organic insulating film, and a second silicon nitride film formed as a layer located above the capacitive electrode and below the pixel electrode. The second silicon nitride film is the film deposited at a temperature lower than that of the first silicon nitride film. The first silicon nitride film and the second silicon nitride film have a contact hole formed by dry-etching the both collectively, wherein the second electrode and the pixel electrode are connected via the contact hole. An electric potential different from that of the pixel electrode is applied to the capacitive electrode. The pixel electrode, the second silicon nitride film, and the capacitive electrode constitute the holding capacity. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种在像素中具有大的保持能力的液晶显示装置。解决方案：液晶显示装置包括图像信号线，像素电极，具有连接到图像信号线的第一电极的薄膜晶体管和第二电极，第一氮化硅膜，有机绝缘膜，形成为位于有机绝缘膜上方的层的电容电极和形成为位于电容电极上方且位于像素电极下方的层的第二氮化硅膜。第二氮化硅膜是在低于第一氮化硅膜的温度下沉积的膜。第一氮化硅膜和第二氮化硅膜具有通过二次干蚀刻而形成的接触孔，其中第二电极和像素电极经由接触孔连接。将不同于像素电极的电位施加到电容电极。像素电极，第二氮化硅膜和电容电极构成保持容量。版权所有（C）2008，JPO＆INPIT

23. 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

24. 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

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