公开(公告)号：US20040150603A1

公开(公告)日：2004-08-05

申请号：US10747308

申请日：2003-12-30

Applicant: Hitachi, Ltd. ,  Hitachi Device Engineering Co., Ltd.

Inventor： Yoshihiro Imajo ,  Tetsuro Izawa ,  Kimitoshi Ohgiichi ,  Hiroshi Okawara ,  Shiro Ueda ,  Nobuyuki Ishige ,  Tetsuya Kawamura ,  Hisashi Ishino ,  Fumiaki Komori

IPC: G09G003/36

CPC classification number: G02F1/13306 ,  G02F1/13452 ,  G09G3/2011 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2300/0408 ,  G09G2310/027 ,  G09G2320/0223 ,  H05K1/0216 ,  H05K1/181

Abstract: In a liquid crystal display comprising a plurality of pixels each of which has an switching element, a plurality of drain drivers and gate drivers for operating the switching elements and the pixels, and a plurality of drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer, the present invention provides wiring lines formed on the one of a pair of substrates for transferring display data signals and a clock signal between each pair of the plurality of drain drivers adjacent to one another, and provides at least one gate circuit for at least one of the plurality of drain drivers which is controlled by the clock signal and switches the display data signals and the clock signal either (1) to be acquired by the at least one of the plurality of drain drivers or (2) to be transferred to another of the plurality of drain drivers arranged adjacent to the at least one of the plurality of drain drivers. This liquid crystal display device has an advantage, for instance, or of suppressing electromagnetic interference (EMI) to another equipment surrounding the liquid crystal display device, of preventing the display data signals or the clock signal from being distorted in the wiring lines.

Abstract translation: 在包括具有开关元件的多个像素的液晶显示器中，用于操作开关元件和像素的多个漏极驱动器和栅极驱动器以及从漏极驱动器提供信号的多个漏极线和栅极线 并且开关元件的栅极驱动器形成在夹着液晶层的一对基板中的一个基板上，本发明提供形成在一对基板中的用于传送显示数据信号和每对之间的时钟信号的布线 并且为多个漏极驱动器中的至少一个漏极驱动器提供至少一个栅极电路，所述至少一个漏极驱动器由时钟信号控制，并将显示数据信号和时钟信号（1）切换到 由所述多个排水驱动器中的至少一个排出驱动器或（2）被采集，以被转移到与所述多个排水驱动器相邻布置的所述多个排水驱动器中的另一个 多个漏极驱动器中的至少一个。 该液晶显示装置具有例如抑制液晶显示装置周围的其他设备的电磁干扰（EMI）的优点，防止显示数据信号或时钟信号在布线中发生失真。

公开(公告)号：US20040017536A1

公开(公告)日：2004-01-29

申请号：US10624601

申请日：2003-07-23

Applicant: Hitachi Displays, Ltd. ,  Hitachi Device Engineering Co., Ltd.

Inventor： Yuuichi Takenaka

IPC: G02F001/1345

CPC classification number: G02F1/13452 ,  H01L2924/0002 ,  H05K1/0271 ,  H05K1/0298 ,  H05K1/0366 ,  H05K1/147 ,  H05K2203/0228 ,  H05K2203/1545 ,  H01L2924/00

Abstract: In a display device including a display panel and a multi-layered printed circuit board which is arranged along one side of the display panel and is electrically connected to a plurality of leads of the display panel through a plurality of tape carrier packages, according to the present invention, a plurality of slits or notches are formed in a sheet fiber member which is impregnated with resin and constitutes a base sheet of the multi-layered printed circuit board along one side of the display panel. The discontinuity of the sheet fiber member formed by the slits or the notches absorbs the difference in thermal expansion of the multi-layered printed circuit board and the display panel due to the change of an ambient temperature of the display device and hence, it is possible to prevent peeling of the tape carrier package from the display panel or breaking of the tape carrier package per se.

Abstract translation: 在包括显示面板和多层印刷电路板的显示装置中，所述显示面板和多层印刷电路板沿着所述显示面板的一侧布置，并且通过多个带状载体封装电连接到所述显示面板的多个引线，根据 在本发明中，多个狭缝或切口形成在被树脂浸渍的片状纤维构件中，并且构成多层印刷电路板的基片，沿着显示面板的一侧。 由狭缝或凹口形成的片状纤维构件的不连续性由于显示装置的环境温度的变化而吸收了多层印刷电路板和显示面板的热膨胀差异，因此可能 以防止带状载体包装从显示面板剥离或带状载体封装本身的断裂。

公开(公告)号：US20040011867A1

公开(公告)日：2004-01-22

申请号：US10407263

申请日：2003-04-03

Applicant: HITACHI, LTD. ,  HITACHI INFORMATION TECHNOLOGY CO, LTD. ,  HITACHI DEVICE ENGINEERING CO., LTD.

Inventor： Toshifumi Arai ,  Kazunori Andou ,  Munetaka Itami

IPC: G06K005/00

CPC classification number: G06Q30/02

Abstract: The present invention concerns an information access device for utilizing a supposed information service, which possesses an information-inputting device. The information access device according to one embodiment of the present invention comprises a usage discrimination part which judges whether the information-inputting device is utilized for said intended information service or unintended usage, based on prescribed information from said information inputting device.

Abstract translation: 本发明涉及一种利用具有信息输入装置的假定信息服务的信息存取装置。 根据本发明的一个实施例的信息访问装置包括：使用判别部，其基于来自所述信息输入装置的规定信息，判断信息输入装置是否用于所述预期信息服务或非预期使用。

公开(公告)号：US20010017609A1

公开(公告)日：2001-08-30

申请号：US09780492

申请日：2001-02-12

Applicant: Hitachi, Ltd. and Hitachi Device Engineering Co., Ltd.

Inventor： Haruhisa Okumura ,  Yukihide Ode

IPC: G09G003/36

CPC classification number: H03K19/00384 ,  G09G3/3648 ,  G09G3/3677 ,  G09G2300/0408 ,  G09G2310/0289 ,  H03K19/018571

Abstract: A level converter circuit includes an input terminal adapted to be supplied with a signal swinging from a first voltage to a second voltage lower than the first voltage; a first transistor having a gate electrode connected to the input terminal, and a source electrode connected to ground potential; a second transistor having a gate electrode connected to a drain electrode of the first transistor, a source electrode connected to a supply voltage, and a drain electrode connected to an output terminal; a load circuit connected between the gate electrode of the second transistor and the supply voltage; a third transistor having a source electrode connected to the input terminal, a drain electrode connected to the output terminal, and a gate electrode supplied with a DC voltage higher than the second voltage and lower than the first voltage. The level converter circuit outputs a third voltage higher than the second voltage when the input terminal is supplied with the first voltage, and the level converter circuit outputs the second voltage when the input terminal is supplied with the second voltage.

Abstract translation: 电平转换器电路包括适于被提供有从第一电压摆动到低于第一电压的第二电压的信号的输入端; 第一晶体管，其具有连接到所述输入端子的栅极电极和连接到地电位的源电极; 第二晶体管，具有连接到第一晶体管的漏极的栅电极，连接到电源电压的源电极和连接到输出端的漏电极; 连接在第二晶体管的栅电极和电源电压之间的负载电路; 第三晶体管，具有连接到输入端的源电极，连接到输出端的漏极和提供有高于第二电压并低于第一电压的直流电压的栅电极。 当输入端被提供第一电压时，电平转换器电路输出比第二电压高的第三电压，并且当输入端被提供第二电压时，电平转换器电路输出第二电压。

公开(公告)号：US20040174487A1

公开(公告)日：2004-09-09

申请号：US10801564

申请日：2004-03-17

Applicant: Hitachi, Ltd. ,  Hitachi Device Engineering Co., Ltd.

Inventor： Hiroyuki Yamazaki ,  Tomio Oosone ,  Tetsuya Kawamura

IPC: G02F001/1345

CPC classification number: G02F1/13452 ,  H05K1/0271 ,  H05K1/0298 ,  H05K1/118 ,  H05K3/361 ,  H05K2201/09145 ,  H05K2201/09781

Abstract: In a liquid crystal display device having a flexible printed circuit board which includes a laminated structure of a pair of flexible films, a plurality of first conductive layers interposed between inner surfaces of the flexible films to be spaced from each other, and a plurality of groups of terminals formed on an outer surface of one of flexible films opposite to the respective first conductive layers, and a liquid crystal display panel which includes a plurality of groups of wirings formed on one of a pair of substrates thereof and connected to the plurality of groups of terminals respectively, the present invention interposes second conductive layers at respective portions spacing the plurality of first conductive layers between the inner surfaces of the flexible films and prevents the one of the pair of substrates from being cracked when the plurality of terminals of the flexible printed circuit board are connected to the groups of wiring of the one of the substrates by compression bonding thereby.

公开(公告)号：US20040085690A1

公开(公告)日：2004-05-06

申请号：US10692693

申请日：2003-10-27

Applicant: Hitachi, Ltd. ,  Hitachi Device Engineering Co., Ltd.

Inventor： Takayasu Ito ,  Mitsuru Hiraki ,  Koichi Ashiga

IPC: H02H009/00

CPC classification number: H01L23/50 ,  H01L23/60 ,  H01L24/06 ,  H01L27/0207 ,  H01L27/0266 ,  H01L2224/05553 ,  H01L2224/05554 ,  H01L2924/01029 ,  H01L2924/12032 ,  H01L2924/12042 ,  H01L2924/1305 ,  H01L2924/13091 ,  H01L2924/14 ,  H02M3/00 ,  H02M3/07 ,  H02M3/157 ,  H01L2924/00

Abstract: An integrated circuit formed on a semiconductor chip includes voltage regulators for stepping down an externally-supplied power voltage to produce an internal power voltage, and internal circuits which operate based on the internal power voltage. The voltage regulators are laid in the area of the buffers and protective elements for the input/output signals and power voltages so that the overhead area due to the on-chip provision of the voltage regulators is minimized. The internal power voltage is distributed to the internal circuits through a looped main power line, with an electrode pad for connecting an external capacitor for stabilizing the internal power voltage being provided on it, so that the internal power voltage is stabilized and the power consumption of the integrated circuit is minimized.

Abstract translation: 形成在半导体芯片上的集成电路包括用于降低外部提供的电源电压以产生内部电源电压的电压调节器，以及基于内部电源电压工作的内部电路。 电压调节器被放置在缓冲器和保护元件的区域中用于输入/输出信号和电源电压，使得由于电压调节器的片上提供而导致的开销面积被最小化。 内部电源电压通过环形主电源线分配到内部电路，电极焊盘用于连接外部电容器，用于稳定其上提供的内部电源电压，从而内部电源电压稳定，功耗 集成电路最小化。

公开(公告)号：US20040051692A1

公开(公告)日：2004-03-18

申请号：US10636612

申请日：2003-08-08

Applicant: Hitachi, Ltd. ,  Hitachi Device Engineering Co., Ltd.

Inventor： Junichi Hirakata ,  Kikuo Ono ,  Akira Shingai

IPC: G09G003/36

CPC classification number: H05B41/2821 ,  G02F1/133604 ,  G02F2001/133612 ,  G09G3/342 ,  G09G2310/024 ,  G09G2320/0261 ,  G09G2320/041 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2320/066 ,  G09G2330/045 ,  H05B41/2824 ,  H05B41/3927

Abstract: A liquid crystal display device includes a liquid crystal display panel and a lighting device. The lighting device is supplied with alternately a first current during a period t1, and a second current during a second period t2 such that electric power E1 is lower than electric power E2. E1 is defined as (t1nullipnullp(1)nullVpnullp(1))/2null(t2nullipnullp(2)nullVpnullp(2))/2, where ipnullp(1)nulla peak-to-peak value of the first current, Vpnullp(1)nulla peak-to-peak value of a voltage across the light source during the period t1, ipnullp(2)nulla peak-to-peak value of the second current, and Vpnullp(2)nulla peak-to-peak value of a voltage across the light source during the period t2. E2 is defined as (t1nullt2)nullIoffnullVoff, where Ioff and Voff are effective values of the current and voltage of the light source, respectively.

Abstract translation: 液晶显示装置包括液晶显示面板和照明装置。 照明装置在时段t1期间交替地被提供第一电流，而在第二时段t2期间被提供给第二电流，使得电力E1低于电力E2。 E1定义为（t1xip-p（1）xVp-p（1））/ 2+（t2xip-p（2）xVp-p（2））/ 2，其中ip-p（1）=峰 - 第一电流的峰值，Vp-p（1）=在时段t1期间光源两端的电压的峰 - 峰值，ip-p（2）=峰值 第二电流，Vp-p（2）= t2期间光源两端的电压的峰 - 峰值。 E2定义为（t1 + t2）xIoffxVoff，其中Ioff和Voff分别是光源的电流和电压的有效值。

公开(公告)号：US20040046727A1

公开(公告)日：2004-03-11

申请号：US10652028

申请日：2003-09-02

Applicant: Hitachi, Ltd and Hitachi Device Engineering Co., Ltd.

Inventor： Takahiro Fujioka ,  Shigeru Ito ,  Mitsuru Goto ,  Yozo Nakayasu ,  Yoshiyuki Saito

IPC: G09G003/36

CPC classification number: G09G3/3688 ,  G09G3/2011 ,  G09G5/18 ,  G09G2370/08

Abstract: A liquid crystal display device capable of improving display quality by enabling proper execution of receipt and acceptance of image signals through compensation for variation in duty ratios of clock signals as input to liquid crystal driver circuitry, is provided. In a liquid crystal display device comprising a liquid crystal display element and liquid crystal driver circuitry, the liquid crystal driver circuitry is operable to receive an image signal as input thereto for taking it into a bus at the timing of a change of an internal clock signal from a first level to a second level or alternatively its change from the second level to the first level and then select from the image signal as taken or nullacceptednull into the bus a voltage used to drive the liquid crystal display element, wherein the internal clock signal is the clock signal that causes a first level period and a second level period of an external clock signal being input to the liquid crystal driver circuitry to be made identical or equalized by a clock compensation circuit to specified values respectively.

Abstract translation: 提供一种液晶显示装置，其能够通过对作为输入到液晶驱动电路的时钟信号的占空比的变化进行补偿来适当地执行图像信号的接收和接收来提高显示质量。 在包括液晶显示元件和液晶驱动器电路的液晶显示装置中，液晶驱动器电路可操作以接收作为其输入的图像信号，以在内部时钟信号改变的定时将其输入总线 从第一电平到第二电平或者其从第二电平到第一电平的变化，然后从图像信号中选择被采取或“接受”到总线中用于驱动液晶显示元件的电压，其中内部 时钟信号是使得输入到液晶驱动器电路的外部时钟信号的第一电平周期和第二电平周期分别由时钟补偿电路相同或均衡的时钟信号。

公开(公告)号：US20030214494A1

公开(公告)日：2003-11-20

申请号：US10394189

申请日：2003-03-24

Applicant: Hitachi Displays, Ltd ,  Hitachi Device Engineering Co., Ltd.

Inventor： Shunsuke Morishita ,  Tomohide Oohira ,  Yohio Oowaki

IPC: G09G005/00

CPC classification number: G09G3/20 ,  G02F1/133308 ,  G02F1/133608 ,  G02F2001/133317 ,  G02F2201/503 ,  G09G3/30 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2310/0275 ,  G09G2310/08 ,  G09G2330/06 ,  G09G2352/00 ,  Y10S345/905

Abstract: An image displaying apparatus at least including a first structure component, a second structure component, a third structure component and a displaying unit are provided, in which it is characterized that each of the first structure component, the second structure component and the third structure component has a section at which the first structure component, the second structure component and the third structure component are disposed in the order from an inside of the image displaying apparatus on a side face thereof, and each of the first structure component and the third structure component has in a part of the section a fixing portion for being fitted to the second structure component at each of positions thereon approximately equal to each other.

Abstract translation: 提供一种至少包括第一结构部件，第二结构部件，第三结构部件和显示单元的图像显示装置，其特征在于，所述第一结构部件，所述第二结构部件和所述第三结构部件 具有第一结构部件，第二结构部件和第三结构部件从其图像显示装置的侧面的顺序依次配置的部分，第一结构部件和第三结构部件 在该部分的一部分中具有固定部分，用于在其上大致相等的每个位置处装配到第二结构部件。

公开(公告)号：US20030202142A1

公开(公告)日：2003-10-30

申请号：US10411196

申请日：2003-04-11

Applicant: Hitachi Displays, Ltd. ,  Hitachi Device Engineering Co, Ltd.

Inventor： Akira Ishii ,  Miyo Shimizu ,  Shigeru Matsuyama

IPC: G02F001/1339

CPC classification number: G02F1/13439 ,  G02F2001/133357 ,  G02F2201/48 ,  G02F2202/025

Abstract: In a liquid crystal display device comprising a substrate which has an organic material film (e.g. a leveling layer, or an alignment film) and a conductive oxide film (e.g. an electrode) covering at least a part of the organic material film both formed on an inner surface thereof facing a liquid crystal layer, the present invention provides the conductive oxide film formed at a temperature being neither higher than a thermal decomposition temperature of the organic material film nor lower than a heat deflection temperature of the organic material film, so as to prevent blebs from foaming from the organic material film and appearing in the liquid crystal layer even after a long term storage of the liquid crystal display device or even external force applied to the liquid crystal display device.

Abstract translation: 在包括具有有机材料膜（例如流平层或取向膜）的基板和覆盖有机材料膜的至少一部分的导电氧化物膜（例如电极）的液晶显示装置中，所述至少一部分形成在 其内表面面向液晶层，本发明提供在不高于有机材料膜的热分解温度的温度下形成的导电氧化物膜，也不低于有机材料膜的热变形温度，从而 即使在长期储存液晶显示装置之后或甚至施加到液晶显示装置的外力上，防止泡沫从有机材料膜起泡并出现在液晶层中。