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1. 发明专利

JP2008058993A Display apparatus 有权
标题翻译：显示设备
公开(公告)号：JP2008058993A
公开(公告)日：2008-03-13
申请号：JP2007280995
申请日：2007-10-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NITTA HIROYUKI , MANO HIROYUKI , FURUHASHI TSUTOMU , OISHI SUMIHISA , TSUNEKAWA SATORU , FUTAMI TOSHIO , TAKITA ISAO , IKEDA MAKIKO
IPC分类号： G02F1/133 , G09G3/36 , G09G3/20
CPC分类号： G09G3/2011 , G09G3/3614 , G09G3/3655 , G09G3/3688 , G09G3/3696 , G09G2310/0248 , G09G2310/027 , G09G2310/0281 , G09G2310/0289 , G09G2310/0297 , G09G2330/023
摘要： PROBLEM TO BE SOLVED: To realize high image quality display by arranging a liquid crystal driver on one side of a liquid crystal panel, reducing a mounting area and inverting at a row and to contract circuit scale of a power source circuit by incorporating an alternating current circuit of a reference voltage of liquid crystal drive to the liquid crystal driver in a liquid crystal display apparatus. SOLUTION: Since the display device has a voltage generation means for generating two alternating current reference voltages driving alternating current from an input reference voltage and an alternating current signal and a means for outputting to be converted into a liquid crystal application voltage different in the alternating current drive at each output to the liquid crystal panel from display data, the two alternating current reference voltages and the alternating current signal, the output in the same liquid crystal driver can be made a liquid crystal drive voltage different from alternating current timing. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了通过在液晶面板的一侧布置液晶驱动器来实现高图像质量显示，减少了安装面积并在一行中反转并且通过并入电源电路来缩小电路规模液晶显示装置中的液晶驱动器的参考电压的交流电路。解决方案：由于显示装置具有用于产生从输入参考电压和交流信号驱动交流电的两个交流参考电压的电压产生装置和用于输出的装置，以转换成不同于从显示数据，两个交流参考电压和交流信号到液晶面板的每个输出处的交流驱动，可以使同一液晶驱动器中的输出成为不同于交流定时的液晶驱动电压。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007025726A Liquid crystal driving circuit and liquid crystal display device 有权
标题翻译：液晶驱动电路和液晶显示器件
公开(公告)号：JP2007025726A
公开(公告)日：2007-02-01
申请号：JP2006288013
申请日：2006-10-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NITTA HIROYUKI , MANO HIROYUKI , FURUHASHI TSUTOMU , OISHI SUMIHISA , TSUNEKAWA SATORU , FUTAMI TOSHIO , TAKITA ISAO , IKEDA MAKIKO
IPC分类号： G02F1/133 , G09G3/36 , G09G3/20
CPC分类号： G09G3/2011 , G09G3/3614 , G09G3/3655 , G09G3/3688 , G09G3/3696 , G09G2310/0248 , G09G2310/027 , G09G2310/0281 , G09G2310/0289 , G09G2310/0297 , G09G2330/023
摘要： PROBLEM TO BE SOLVED: To display higher image quality by arranging a liquid crystal driver on one side of a liquid crystal panel to reduce a packaging area and by performing column-by-column inversion driving and to reduce the circuit scale of a power source circuit by building an AC switching circuit of a reference voltage of liquid crystal driving in liquid crystal driver. SOLUTION: Since the liquid crystal display is constituted by providing a voltage generation means for generating two ways of AC switching reference voltages for performing AC switching drive from reference voltage to be input and an AC switching signal and a means for converting the two ways of AC switching reference voltage and the AC switching signal into liquid crystal impressed voltage with different AC switching drive for every output and for outputting the liquid crystal impressed voltage, output in one liquid crystal driver is made to be liquid crystal drive voltage with mutually different timing of AC switching. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了通过在液晶面板的一侧上布置液晶驱动器来降低包装面积并且通过执行逐列反转驱动来降低电路规模，以显示更高的图像质量通过在液晶驱动器中构建液晶驱动的参考电压的交流开关电路来实现电源电路。解决方案：由于液晶显示器是通过提供电压产生装置构成的，该电压产生装置用于产生用于从要输入的参考电压进行交流开关驱动的交流开关参考电压的两种方式，以及交流开关信号和用于转换两种方式的装置交流开关参考电压和交流开关信号的方式为每个输出采用不同交流开关驱动的液晶施加电压，并输出液晶压入电压，将一个液晶驱动器中的输出变为具有相互不同的液晶驱动电压交流切换时序。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006293403A Multiple-tone display system 有权
标题翻译：多色显示系统
公开(公告)号：JP2006293403A
公开(公告)日：2006-10-26
申请号：JP2006196418
申请日：2006-07-19
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KASAI SHIGEHIKO , MANO HIROYUKI , NISHITANI SHIGEYUKI , TAKITA ISAO , TAKAHASHI KOJI
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20 , H04N5/66
CPC分类号： G09G3/2011 , G09G3/2025 , G09G3/3648 , G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2320/0242 , G09G2320/0271 , G09G2320/0276
摘要： PROBLEM TO BE SOLVED: To provide a multiple-tone display device which takes optical characteristics of multiple-tone display into consideration and on which multiple-tone displays are uniformly equally seen by the human eye.
SOLUTION: A dot matrix display device, comprising pixel portions arrayed in a matrix shape, display data including multiple-tone display information, and a data conversion portion for converting the display data into a voltage to be applied to the pixel portions, is equipped with a liquid crystal drive signal generator which converts color display data 1 to 3 into liquid crystal display data 8, an 8-level data driver which selects one of 8-level voltages, in accordance with the liquid crystal display data and delivers the selected voltage, and an 8-level applied liquid crystal voltage generation means 12, with which the 8-level voltages 13 to be applied to the pixels are produced so as to substantially uniformize the color differences between the respectively adjacent tones of the multiple-tone displays.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供考虑多色调显示的光学特性并且人眼均匀地看到多色调显示器的多色调显示装置。解决方案：一种点阵显示装置，包括以矩阵形状排列的像素部分，显示包括多色调显示信息的数据和用于将显示数据转换为要施加到像素部分的电压的数据转换部分，配备有将彩色显示数据1〜3转换为液晶显示数据8的液晶驱动信号发生器，8级数据驱动器，根据液晶显示数据选择8级电压之一，以及8级施加液晶电压产生装置12，通过该8电平施加液晶电压产生装置12产生要施加到像素的8电平电压13，以便基本上均匀化多色调的相邻相邻色调之间的色差显示器。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2003006026A Contents managing device and contents processor 审中-公开
标题翻译：目录管理设备和内容处理器
公开(公告)号：JP2003006026A
公开(公告)日：2003-01-10
申请号：JP2001187475
申请日：2001-06-21
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： EBINA AKIHIRO , KAMIMAKI HIDEKI , MANO HIROYUKI
IPC分类号： G06F17/30 , G06F12/00 , G06F13/00 , G06F15/00
摘要： PROBLEM TO BE SOLVED: To suppress intricacy of a user of a contents processor since a contents managing device can select and transmit contents which can be processed by the contents processor. SOLUTION: Terminals 101 to 103 transmit file form information which can be processed by the terminals 101 to 103 to a storage device 105, the storage device 105 receives the file form information, retrieves the contents corresponding to the file form information from a storage medium, generates an index of names of the retrieved contents, transmits the index to the terminals 101 to 103 and the terminals 101 to 103 receive the index.
摘要翻译：要解决的问题：为了抑制内容处理器的用户的复杂性，因为内容管理装置可以选择和发送可由内容处理器处理的内容。解决方案：终端101至103将可由终端101至103处理的文件形式信息发送到存储装置105，存储装置105接收文件形式信息，从存储介质检索对应于文件形式信息的内容，生成检索到的内容的名称索引，将索引发送到终端101至103，并且终端101至103接收索引。

5. 发明专利

JP2000214836A MONITOR DEVICE 失效
公开(公告)号：JP2000214836A
公开(公告)日：2000-08-04
申请号：JP1717999
申请日：1999-01-26
申请人： HITACHI LTD
发明人： KASAI SHIGEHIKO , MANO HIROYUKI , NISHITANI SHIGEYUKI , KURIHARA HIROSHI , MORI TATSUMI
IPC分类号： G06F3/153 , G06F3/14 , G06F15/16 , G09G3/20 , G09G5/00 , G09G5/14
摘要： PROBLEM TO BE SOLVED: To enable usage of a single monitor device as a monitor device for a plurality of electronic computers. SOLUTION: A display control part 24 displays on a liquid crystal display 26, a screen displaying a screen shown by a display data 17 inputted from a second electronic computer in a window inside a screen shown by a display data 14 inputted from a first electronic computer. The position and size of the window is changed by the display control part 24, based upon a communication data for display control extracted by a communication control part and inputted from the first or the second electronic computer.

6. 发明专利

JP2000200075A GRADATION VOLTAGE SETTING METHOD FOR MULTI-LEVEL DISPLAY DEVICE 失效
公开(公告)号：JP2000200075A
公开(公告)日：2000-07-18
申请号：JP2000048899
申请日：2000-02-21
申请人： HITACHI LTD
发明人： KASAI SHIGEHIKO , MANO HIROYUKI , NISHITANI HIROYUKI , TAKITA ISAO , TAKAHASHI KOJI
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20 , H04N5/66
摘要： PROBLEM TO BE SOLVED: To add a human visible sensation characteristic to an optical characteristic of a display and to make the balance of gradations equally visible to the human eyes by providing the above device with means for forming 8-level liquid crystal impressed voltages in such a manner that the color differences in gradation display are equaled. SOLUTION: A liquid crystal driving signal forming section 7 converts respective color display data 1 to 3 into liquid crystal display data 8. An 8-level data driver 14 selects and outputs one level from the voltages of 8 levels. An 8-level liquid crystal impressed voltage forming section 12 forms the 8-level liquid crystal impressed voltages 13. The 8-level liquid crystal impressed voltages 13 divide the distances of the traces determined by the respective 8-gradation voltage impressed at the coordinates within CIELUV equal color spaces to 7 equal intervals between the 8 gradations displayed on the liquid crystal panel 20 by impression of the 8-gradation voltage between the gradations voltages at which the liquid crystal panel 20 is a black display and the gradation voltages at which the liquid crystal panel is a white display. The gradation voltages on the divided loci are set in correspondence to the gradations displayed on the liquid crystal panel 20.

7. 发明专利

JP2000148105A INFORMATION DISPLAY DEVICE 失效
公开(公告)号：JP2000148105A
公开(公告)日：2000-05-26
申请号：JP32376498
申请日：1998-11-13
申请人： HITACHI LTD
发明人： SUZUKI HITOSHI , KOIZUMI NAOHISA , ONISHI GORO , KOHIYAMA TOMOHISA , KOBAYASHI ICHIJI , IGARASHI TAKESHI , OIKAWA HIRONORI , MANO HIROYUKI
IPC分类号： G06F3/14 , G08B5/22 , G09G5/00
摘要： PROBLEM TO BE SOLVED: To display information other than a reserved schedule, and display proper information corresponding to the circumstances, in an information display device. SOLUTION: In an information display device for displaying the periodical display information 17a inputted from an image signal wire 17 based on the information of a reserved schedule memory part 5, an input circuit 8, a transmitting/receiving circuit 11 and an information memory part 4 for inputting from the outside and storing the unscheduled display information 16b, 15b to be displayed excepting a reserved schedule are installed. In the case of receiving the unscheduled display information 16b, 15b from the outside, a control circuit 3 reads out the screen information corresponding to the unscheduled display information 16b, 15b by giving priority over the periodical display information 17a and displays it, and executes an operation for renewing the screen information to be displayed by the transmitting/receiving circuit 11 of telecommunication. Besides, by executing a screen combination processing, the unscheduled display information 16b and the unscheduled display information 15b are combined with the periodical display information 17a and displayed.

8. 发明专利

JPH11249102A LIQUID CRYSTAL DISPLAY DEVICE 失效
公开(公告)号：JPH11249102A
公开(公告)日：1999-09-17
申请号：JP4674498
申请日：1998-02-27
申请人： HITACHI LTD
发明人： NITTA HIROYUKI , MANO HIROYUKI , KUDO YASUYUKI , TSUNEKAWA SATORU
IPC分类号： G02F1/133 , G09G3/36
摘要： PROBLEM TO BE SOLVED: To enable price-down and power consumption reduction by enabling the production of a liquid crystal driver LSI through a low voltage resistant process enabling small chip sizing by lowering a liquid crystal driving voltage. SOLUTION: While using the liquid crystal materials of duties more than the number of display lines on a liquid crystal panel 2, the bias ratio of a scanning voltage 18 and a data voltage 17 for liquid crystal panel driving is adjusted so that the liquid crystal driving voltage can be lowered. Besides, by reducing the number of stages in the boosting circuit of a power source circuit 4 by lowering the liquid crystal driving voltage, power efficiency can be easily improved.

9. 发明专利

JPH11126053A MATRIX DISPLAY DEVICE 失效
公开(公告)号：JPH11126053A
公开(公告)日：1999-05-11
申请号：JP22131798
申请日：1998-08-05
申请人： HITACHI LTD
发明人： MANO HIROYUKI , NISHIOKA KIYOKAZU , FUTAMI TOSHIO , KINUGAWA KIYOSHIGE
IPC分类号： G02F1/133 , G01R33/028 , G09G3/20 , G09G3/36 , H01J1/30 , H01J11/20 , H01J19/32 , H01J21/10 , H01J11/02
摘要： PROBLEM TO BE SOLVED: To enable a liquid crystal display of multi-gradations and multi-colors by analog data input to be performed, by providing an analog/digital conversion circuit, in which a liquid crystal display device and the outside are connected by an analog interface and which converts analog data having plural signal levels into digital data, and a voltage generation circuit generating voltage of plural level in accordance with gradation. SOLUTION: An analog/digital converter 6 converts analog display data 2 being an input signal into digital display data 7 of 2 bits in accordance with the voltage value. A multi-voltage level output generation circuit 8 generates voltage of plural levels in accordance with gradation, for example, generates voltage of 4 levels when it is four gradation display. A signal of a voltage level corresponding to gradation 0 is outputted to a signal line 9, and signals of a voltage level corresponding to gradation 1, 2, 3 are outputted to signal lines 10, 11, 12. A X driving means 15 takes in successively digital display data 7 of 2 bits of one line by a latch clock 3, selects one of this four gradation voltage, and outputs it as panel data X1-X640.

10. 发明专利

JPH1115442A LIQUID CRYSTAL DISPLAY DEVICE AND POWER CIRCUIT USED THEREFOR 失效
公开(公告)号：JPH1115442A
公开(公告)日：1999-01-22
申请号：JP16429397
申请日：1997-06-20
申请人： HITACHI LTD
发明人： NISHITANI SHIGEYUKI , NITTA HIROYUKI , KASAI SHIGEHIKO , MANO HIROYUKI , KURIHARA HIROSHI
IPC分类号： G02F1/133 , G09G3/36
摘要： PROBLEM TO BE SOLVED: To make it possible to control the change characteristics of display luminance corresponding to value of display data to be inputted by allowing a power source circuit to separately adjust respective voltage levels of plural gradation voltage to be generated based on a setting signal. SOLUTION: An interface circuit 14 receives liquid crystal impression voltage setting data to make D/A converters 15 to be specified by address information latch voltage value data. Respective D/A converters 15 convert latching voltage values into analog voltages to output them. These analog voltages are held in the same voltage levels until voltage value date are changed. Respective buffer amplifiers 16 output analog voltages converted in the D/A converters 15 as one level (one gradation voltage) of liquid crystal impression voltages 13 and the analog voltages are impressed on an 8-level data driver and the data lines of a liquid crystal panel while their levels are not lowered by additional impedances of the liquid crystal panel.

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