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1. 发明专利

JP2012083793A Method for manufacturing liquid crystal display device 有权
标题翻译：制造液晶显示装置的方法
公开(公告)号：JP2012083793A
公开(公告)日：2012-04-26
申请号：JP2012020352
申请日：2012-02-01
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： TANABE HIDEO , TAKAHATA MASARU , KANEKO TOSHITERU , HASEGAWA ATSUSHI , SEHATA HIROKO
IPC分类号： G02F1/1368 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal display device having a large retention volume in a pixel.SOLUTION: A method of manufacturing a liquid crystal display device includes: a process of forming a thin film transistor including a first electrode to which a video signal line is connected and a second electrode connected to a pixel electrode on a first substrate; a process of forming a first silicon nitride film above the second electrode; a process of forming an organic insulating film above the first silicon nitride film; a process of forming a capacitor electrode above the organic insulating film; a process of forming a second silicon nitride film at a temperature which is lower than the film formation temperature of the first silicon nitride film above the capacitor electrode and below the pixel electrode after forming the organic insulating film; and a process of forming a contact hole that penetrates through the first silicon nitride film and the second silicon nitride film and for electrically connecting the second electrode to the pixel electrode on the second electrode.
摘要翻译：要解决的问题：提供一种在像素中具有大的保留体积的液晶显示装置。解决方案：一种制造液晶显示装置的方法包括：形成薄膜晶体管的工艺，薄膜晶体管包括连接有视频信号线的第一电极和与第一基板上的像素电极连接的第二电极; 在第二电极上形成第一氮化硅膜的工艺; 在所述第一氮化硅膜上形成有机绝缘膜的工序; 在有机绝缘膜上形成电容电极的工序; 在形成有机绝缘膜之后，在低于电容器电极上方的第一氮化硅膜的成膜温度和像素电极以下的温度下形成第二氮化硅膜的工序; 以及形成穿过第一氮化硅膜和第二氮化硅膜并将第二电极与第二电极上的像素电极电连接的接触孔的工艺。版权所有（C）2012，JPO＆INPIT

2. 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

3. 发明专利

JP2011112728A Display device 审中-公开
标题翻译：显示设备
公开(公告)号：JP2011112728A
公开(公告)日：2011-06-09
申请号：JP2009266826
申请日：2009-11-24
申请人： Canon Inc , Hitachi Displays Ltd , キヤノン株式会社 , 株式会社日立ディスプレイズ
发明人： SEHATA HIROKO , AKIMOTO HAJIME , KOTANI YOSHIHIRO , YAMAMOTO TAKESHI
IPC分类号： G09G3/30 , G09G3/20 , H01L51/50
CPC分类号： G09G3/2092 , G09G3/2007 , G09G3/3208 , G09G2310/0275 , G09G2310/0297 , G09G2330/028
摘要： PROBLEM TO BE SOLVED: To provide a display device including a plurality of data line voltage generating circuits which respectively supply a display control voltage for display elements having a specified color out of a plurality of colors as necessary. SOLUTION: The display device is equipped with: a plurality of gradation voltage output means respectively provided for respective colors of two or more and gradation voltage corresponding to respective display gradation values of the prescribed number of gradations are output respectively; a plurality of control voltage supply means for display which are connected respectively to display elements of two or more and supply respectively control voltage in accordance with the display data of the display elements based on gradation voltage of the number of gradations output by any one of the plurality of gradation voltage output means; and a plurality of gradation voltage selection means which are provided respectively for one or a plurality of the control voltage supply means for display and respectively select the gradation voltage output by any one of gradation voltage output means out of the plurality of gradation voltage output means. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种包括多个数据线电压发生电路的显示装置，其根据需要分别为多种颜色的具有特定颜色的显示元件提供显示控制电压。解决方案：显示装置配备有：分别为两个或更多个的颜色分别设置的多个灰度电压输出装置，并分别输出与规定数量的灰度值对应的各个显示灰度值的灰度电压; 多个用于显示的控制电压提供装置，其分别连接到两个或更多个的显示元件，并根据显示元件的显示数据分别提供控制电压，基于由任何一个多个灰度电压输出装置; 以及多个灰度电压选择装置，分别设置为一个或多个控制电压提供装置用于显示，并分别选择由多个灰度电压输出装置中的任意一个灰度电压输出装置输出的灰度电压。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2012009094A Bidirectional shift register, and image display device using the same 有权
标题翻译：双向移位寄存器和使用该双向寄存器的图像显示设备
公开(公告)号：JP2012009094A
公开(公告)日：2012-01-12
申请号：JP2010141990
申请日：2010-06-22
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： OCHIAI TAKAHIRO , GOTO MITSURU , SEHATA HIROKO , HIGASHIJIMA HIROYUKI
IPC分类号： G11C19/00 , G02F1/133 , G09G3/20 , G09G3/36 , G11C19/28
CPC分类号： G09G3/3648 , G09G3/3674 , G09G2310/0286 , G09G2310/066 , G09G2330/025 , G11C19/184 , G11C19/28
摘要： PROBLEM TO BE SOLVED: To solve the problem that it is difficult to miniaturize a bidirectional shift register obtained by dependently connecting a unit register circuit for switching circuit configurations in accordance with a shift direction.SOLUTION: The unit register circuit 38 synchronizes with a pulse inputted to a drain of a transistor T5 in a four phase clock signal and outputs the pulse to a terminal NOUT when a reference point N1 is at an H level. A set terminal NSF is connected to the output of a stage ahead by one, a set terminal NSB is connected to the output of the next stage, a reset terminal NRF is connected to the output of the second next stage, and a reset terminal NRB is connected to the output of a stage ahead by two, respectively. When a pulse is inputted to one set terminal, the unit register circuit 38 sets a reference point to an H level, and when a pulse is inputted to one reset terminal, the unit register circuit 38 sets the reference point to an L level. A change sequence of phases of an interchange of the clock signal is inverted in accordance with a shift direction, and the application of a start trigger signal is also switched to between the first stage and the last stage.
摘要翻译：解决的问题：为了解决通过依靠连接用于切换电路配置的单元寄存器电路而获得的双向移位寄存器，根据移位方向而难以小型化的问题。解决方案：单元寄存器电路38与输入到晶体管T5的漏极的脉冲在四相时钟信号中同步，并且当参考点N1处于H电平时将该脉冲输出到端子NOUT。设置终端NSF连接到一级的输出，一个终端NSB连接到下一级的输出，复位端子NRF连接到第二级的输出，复位端NRB 分别连接到一个前级的输出。当一个脉冲被输入到一个终端时，单元寄存器电路38将参考点设置为H电平，并且当脉冲被输入到一个复位端子时，单元寄存器电路38将参考点设置为L电平。时钟信号的交换的相位的改变顺序根据移位方向反转，并且开始触发信号的应用也被切换到第一级和最后级之间。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011242804A Display device 有权
标题翻译：显示设备
公开(公告)号：JP2011242804A
公开(公告)日：2011-12-01
申请号：JP2011180080
申请日：2011-08-22
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： SEHATA HIROKO , ASUMA HIROAKI , HASEGAWA ATSUSHI , MANBA NORIO , KATAYAMA YUKARI
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20
摘要： PROBLEM TO BE SOLVED: To provide a technology by which power consumption is reduced when controlling display/non-display of an arbitrary area in a display device.SOLUTION: A drive circuit comprises: a shift register circuit that successively outputs a first to n-th (n≥2) shift pulses; and an n-number of first to j-th (j≥2) transistors in which the first to n-th shift pulses output from the shift resistor circuit are applied to the corresponding gates; and a (j×n) number of signal line scanning circuits. Based on the first to n-th shift pulses output from the shift register circuit, the first to j-th transistors sample the first to j-th scanning line drive clocks, and output them as scanning voltages for the first to (j×n)-th scanning lines. Based on the first to n-th shift pulses output from the shift resistor circuit, an AC signal, an inversion AC signal, and the transfer clock, each signal line scanning circuit outputs a predetermined voltage for the first to (j×n)-th signal lines.
摘要翻译：要解决的问题：提供一种在显示装置中控制任意区域的显示/不显示时降低功耗的技术。解决方案：驱动电路包括：移位寄存器电路，其连续地输出第一至第n（n≤2）个移位脉冲; 以及n个第一至第j（j≤2）个晶体管，其中从所述移位电阻电路输出的第一至第n移位脉冲被施加到相应的栅极; 和（j×n）个信号线扫描电路。基于从移位寄存器电路输出的第一至第n移位脉冲，第一至第j晶体管对第一至第j扫描线驱动时钟进行采样，并将其作为第一至第（j×n ）扫描线。基于从移动电阻电路输出的第一至第n移位脉冲，AC信号，反相AC信号和传送时钟，每个信号线扫描电路输出第一至（j×n） - 信号线。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2010226183A Multi-input single-output circuit and display device 有权
标题翻译：多输入单输出电路和显示设备
公开(公告)号：JP2010226183A
公开(公告)日：2010-10-07
申请号：JP2009068117
申请日：2009-03-19
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： SEHATA HIROKO , KODERA KOICHI , KOTANI YOSHIHIRO , MATSUMOTO HIDEICHIRO
IPC分类号： H03F3/34 , G02F1/133 , G09G3/20 , G09G3/36 , H03F3/45
CPC分类号： H03F3/345 , G09G2310/027 , G09G2310/0297 , H03F3/45179
摘要： PROBLEM TO BE SOLVED: To provide a circuit that obtains a more accurate output voltage from a plurality of input voltages. SOLUTION: A two-input single-output circuit 100 includes a current source transistor 110 allowing a predetermined current to flow, a cascade transistor section 120 including two MOS transistors 121 and 122 that are cascade-connected to the drain side of the current source transistor 110 and have the same characteristics, a differential pair section 130 having a first differential pair 131 formed of a first input-side transistor T11 and a first output-side transistor T12 whose source lines are shared and a second differential pair 132 formed of a second input-side transistor T21 and a second output-side transistor T22 whose source lines are shared, and a current mirror circuit section 140. Drain lines of the transistors 121 and 122 of the cascade transistor section 120 are respectively connected to the source lines 133 and 138 of the first differential pair 131 and second differential pair 132. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供从多个输入电压获得更精确的输出电压的电路。解决方案：双输入单输出电路100包括允许预定电流流动的电流源晶体管110，包括两个MOS晶体管121和122的级联晶体管部分120，级联晶体管部分120级联连接到漏极侧电流源晶体管110并具有相同的特性，差分对部分130具有由第一输入侧晶体管T11和源极线共享的第一输出侧晶体管T12和形成的第二差分对132形成的第一差分对131 第二输入侧晶体管T21和源极线共享的第二输出侧晶体管T22以及电流镜电路部140.级联晶体管部分120的晶体管121和122的漏极分别连接到源极第一差分对131和第二差分对132的线133和138。版权所有：（C）2011，JPO＆INPIT

7. 发明专利

JP2007163824A Display device 有权
标题翻译：显示设备
公开(公告)号：JP2007163824A
公开(公告)日：2007-06-28
申请号：JP2005359799
申请日：2005-12-14
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： SEHATA HIROKO , ASUMA HIROAKI , HASEGAWA ATSUSHI , MANBA NORIO , KATAYAMA YUKARI
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20
CPC分类号： G09G3/3614 , G09G3/3688 , G09G2310/04 , G09G2330/021
摘要： PROBLEM TO BE SOLVED: To reduce power consumption when controlling display/non-display of an arbitrary region. SOLUTION: A display device includes a display panel having a plurality of scan lines and a plurality of signal lines and a driving circuit for driving the display panel. The driving circuit includes; a shift register circuit which successively outputs first to n-th (n≥2) shift pulses at intervals of a prescribed period on the basis of an input transfer clock; n pieces of first transistors to which the first to n-th shift pulses outputted from the shift register circuit are applied; and n pieces of signal line scan circuit. Respective first transistors sample a scan line driving clock on the basis of the first to n-th shift pulses outputted from the shift register circuit and output first to n-th scan voltages for scan lines, and respective signal line scan circuits output first to n-th prescribed voltages for signal lines on the basis of the first to n-th shift pulses outputted from the shift register circuit, an AC signal, an inverted AC signal, and the transfer clock. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了在控制任意区域的显示/不显示时降低功耗。解决方案：显示装置包括具有多条扫描线和多条信号线的显示面板和用于驱动显示面板的驱动电路。驱动电路包括：移位寄存器电路，其基于输入的传送时钟，以规定的周期的间隔连续输出第1〜第n（n≥2）个移位脉冲; 从移位寄存器电路输出的第1〜第n移位脉冲施加的n个第1晶体管; 和n条信号线扫描电路。相应的第一晶体管基于从移位寄存器电路输出的第一至第n移位脉冲对扫描线驱动时钟进行采样，并对扫描线输出第一至第n扫描电压，并且各个信号线扫描电路首先输出至n 基于从移位寄存器电路输出的第一至第n移位脉冲，AC信号，反相AC信号和传送时钟，信号线的规定电压。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2012058502A Gate signal line drive circuit and display device 审中-公开
标题翻译：门控信号线驱动电路和显示设备
公开(公告)号：JP2012058502A
公开(公告)日：2012-03-22
申请号：JP2010201820
申请日：2010-09-09
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： OCHIAI TAKAHIRO , GOTO MITSURU , SEHATA HIROKO , HIGASHIJIMA HIROYUKI , AGATA KENTARO , HOSHIBA MASAHIRO
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20
摘要： PROBLEM TO BE SOLVED: To provide a gate signal line drive circuit improved in performance by suppressing an off current, and a display device equipped with the same.SOLUTION: A gate signal line drive circuit comprises a low voltage application switching circuit for applying low voltage on a gate signal line according to a signal low period, and a low voltage application off control circuit for applying low voltage on a switch of the low voltage application switching circuit according to a signal high period. The low voltage application off control circuit comprises an output voltage switching circuit for outputting to the switch of the low voltage application switching circuit, a low voltage application circuit for applying low voltage on an input end of the output voltage switching circuit in an off-state, and an intermediate voltage application circuit for applying intermediate voltage on the input end of the output voltage switching circuit in an on-state. According to the signal high period, the output voltage switching circuit and the low voltage application circuit are switched on.
摘要翻译：要解决的问题：通过抑制截止电流来提供提高性能的栅极信号线驱动电路以及配备该栅极信号线驱动电路的显示装置。解决方案：栅极信号线驱动电路包括用于根据信号低电平周期在栅极信号线上施加低电压的低电压应用开关电路和用于在开关上施加低电压的低电压施加关闭控制电路低电压应用开关电路根据信号高电平周期。低压施加关闭控制电路包括输出电压切换电路，用于向低压应用开关电路的开关输出低电压施加电路，用于在断开状态下在输出电压开关电路的输入端施加低电压以及用于在导通状态下在输出电压开关电路的输入端上施加中间电压的中间电压施加电路。根据信号高电平周期，输出电压开关电路和低压应用电路接通。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012009097A Bidirectional shift register, and image display device using the same 有权
标题翻译：双向移位寄存器和使用该双向寄存器的图像显示设备
公开(公告)号：JP2012009097A
公开(公告)日：2012-01-12
申请号：JP2010142838
申请日：2010-06-23
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： OCHIAI TAKAHIRO , GOTO MITSURU , SEHATA HIROKO , HIGASHIJIMA HIROYUKI
IPC分类号： G11C19/00 , G02F1/133 , G09G3/20 , G09G3/36 , G11C19/28
CPC分类号： G11C19/28 , G09G3/3674 , G09G3/3677 , G09G3/3688 , G09G2300/0413 , G09G2300/0465 , G09G2310/0283 , G09G2310/0286 , G09G2310/061 , G09G2310/08
摘要： PROBLEM TO BE SOLVED: To improve miniaturization and operation stability in a bidirectional shift register obtained by dependently connecting unit register circuits to a plurality of stages.SOLUTION: A shift register part 32 has a main stage whose output terminal is connected to a gate signal line, and two dummy stages in each of the first stage and the last stage. A unit register circuit 38 of a k stage has a set circuit which makes a reference point an H level with a pulse input, a reset circuit which makes the reference point an L level with the pulse input, and a circuit which synchronizes with a clock signal to output a pulse Pk at the H level of the reference point. The main stage has each terminal for inputting P, Pas a set terminal, and each terminal for inputting P, Pas a reset terminal. A generation sequence of clock signals is reversed in accordance with a shift direction, and the application of a start trigger signal to either the first stage or the last stage is also switched. The first dummy stage does not have a terminal and a reset circuit which relate to P, and the last dummy stage does not have a terminal and a reset circuit which relate to P.
摘要翻译：要解决的问题：通过将单元寄存器电路依赖性连接到多个级来获得的双向移位寄存器中的小型化和操作稳定性。解决方案：移位寄存器部分32具有其输出端子连接到栅极信号线的主级，以及第一级和最后级中的每一级的两个虚拟级。 ak级的单元寄存器电路38具有使基准点成为具有脉冲输入的H电平的设定电路，使基准点成为脉冲输入的L电平的复位电路以及与时钟信号同步的电路以在参考点的H电平处输出脉冲Pk。主台具有用于输入作为设定终端的P k-1 ，P k + 1 的各个终端，作为复位端子输入P k-2 ，P k + 2 。时钟信号的生成序列根据移位方向反转，并且还切换了对第一级或最后级的启动触发信号的应用。第一虚拟级不具有与P k-2 相关的终端和复位电路，并且最后的虚拟级没有终端和与 P k + 2 。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2011232385A Liquid crystal display device 有权
标题翻译：液晶显示装置
公开(公告)号：JP2011232385A
公开(公告)日：2011-11-17
申请号：JP2010099875
申请日：2010-04-23
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： AGATA KENTARO , OCHIAI TAKAHIRO , SEHATA HIROKO , HIGASHIJIMA HIROYUKI , HOSHIBA MASAHIRO
IPC分类号： G02F1/1345 , G02F1/1337 , G02F1/1368
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal display device in which a circuit scale is reduced while maintaining performances of a shift register circuit.SOLUTION: The liquid crystal display device includes a thin film transistor substrate 207 having a pixel transistor that controls alignment of a liquid crystal composition in each pixel arranged in a display region. In the device, the thin film transistor substrate 207 includes: an alignment layer 209 disposed to cover the display region and determining alignment of the liquid crystal composition when no electric field is generated; an alignment layer damming conductive film 221 disposed on an outer edge of the alignment layer 209 to dam the alignment layer 209; and a shift register circuit 219 applying a gate signal voltage to the gate electrode of the pixel transistor. The alignment layer damming conductive film 221 forms a part of the shift register circuit 219.
摘要翻译：要解决的问题：提供一种在保持移位寄存器电路的性能的同时减小电路规模的液晶显示装置。解决方案：液晶显示装置包括具有像素晶体管的薄膜晶体管基板207，该像素晶体管控制布置在显示区域中的每个像素中的液晶组成物的对准。在该器件中，薄膜晶体管衬底207包括：配置层209，用于覆盖显示区域，并且在没有产生电场时确定液晶组成物的取向; 布置在对准层209的外缘上的取向层阻挡导电膜221，以阻挡取向层209; 以及将栅极信号电压施加到像素晶体管的栅电极的移位寄存器电路219。对准层阻挡导电膜221形成移位寄存器电路219的一部分。版权所有：（C）2012，JPO＆INPIT

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