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61. 发明专利

JP2009015492A Display device with touch panel 有权
标题翻译：显示设备与触摸板
公开(公告)号：JP2009015492A
公开(公告)日：2009-01-22
申请号：JP2007175075
申请日：2007-07-03
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： NISHITANI SHIGEYUKI , SATO HIDEO , SAITO TERUAKI , MANBA NORIO
IPC分类号： G06F3/041
CPC分类号： G06F3/044 , G02F1/13338 , G02F1/134363
摘要： PROBLEM TO BE SOLVED: To provide a display device with a touch panel, of which the cost is reduced without lowering the transmittance of the rays of light. SOLUTION: This display device with the touch panel is provided with a substrate having a plane-shaped transparent conductive film on the face of an observer side, wherein the transparent conductive film is used as the transparent electrode of a capacitance coupling system touch panel. This display device with the touch panel is provided with a pulse voltage for position detection generation circuit for inputting a pulse voltage for position detection and a coordinate position arithmetic circuit for calculating the touch position of the finger of the observer to the conductive member. The transparent conductive film is shaped with four corners, and the pulse voltage for position detection generation circuit supplies a pulse voltage for position detection in different timings to the four corners of the transparent conductive film, and the coordinate position arithmetic circuit calculates the touch position of the finger of the observer to the conductive member based on a voltage output from the corner on the same diagonal line as the corner to which the pulse voltage is supplied when the pulse voltage for position detection is supplied to one of the four corners of the transparent conductive film. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有触摸面板的显示装置，其中降低成本而不降低光线的透射率。解决方案：具有触摸面板的显示装置在观察者侧的面上设置有具有平面状透明导电膜的基板，其中透明导电膜用作电容耦合系统触摸的透明电极面板。具有触摸面板的显示装置设置有用于输入用于位置检测的脉冲电压的位置检测生成电路的脉冲电压和用于计算观察者的手指对导电部件的触摸位置的坐标位置运算电路。透明导电膜成形为四个角，位置检测生成电路的脉冲电压在与透明导电膜的四个角部不同的时刻提供用于位置检测的脉冲电压，坐标位置运算电路计算接触位置当将位置检测的脉冲电压提供给透明的四个角中的一个时，基于在与提供脉冲电压的角部相同的对角线上的拐角输出的导电部件的观察者的手指导电膜。版权所有（C）2009，JPO＆INPIT

62. 发明专利

JP2009008779A Display device 审中-公开
标题翻译：显示设备
公开(公告)号：JP2009008779A
公开(公告)日：2009-01-15
申请号：JP2007168545
申请日：2007-06-27
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： MANBA NORIO , FURUHASHI TSUTOMU , KUMAGAI SHUNJI
IPC分类号： G09G3/36 , G01J1/42 , G02F1/133 , G09F9/00 , G09G3/20 , G09G3/34 , G09G5/00 , G09G5/10
摘要： PROBLEM TO BE SOLVED: To solve the problem that a photo-sensor outputs various characteristics of illumination detected for the same external light and a logarithm characteristic sensor requires a logarithm/linear conversion process, and to perform as a series of processes, the linear conversion and the correction of the variations of the sensor that detects external light. SOLUTION: An analog current 106 from a photo-sensor 100 is converted into digital illumination intensity data 107 by an AD conversion circuit 101. A calibration circuit 102 adjusts the offset and inclination of the digital illumination intensity data 107. In a logarithm characteristic sensor, the digital illumination intensity data 107 is linearly converted, and illumination intensity data 108 acquired as the result of the correction is output. Based on the illumination intensity data 108, an LCD driver 103 drives a display panel 105 and a back light 104 controls the luminance thereof. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题为了解决光传感器输出针对相同的外部光检测到的各种照明特性的对象特性传感器的问题，需要对数/线性转换处理，并且作为一系列处理来执行，检测外部光的传感器的变化的线性转换和校正。解决方案：来自光电传感器100的模拟电流106通过AD转换电路101转换成数字照明强度数据107.校准电路102调整数字照明强度数据107的偏移和倾斜。以对数特征传感器，数字照明强度数据107被线性转换，并且作为校正结果而获取的照明强度数据108被输出。基于照明强度数据108，LCD驱动器103驱动显示面板105，背光104控制其亮度。版权所有（C）2009，JPO＆INPIT

63. 发明专利

JP2008292837A Display device 审中-公开
标题翻译：显示设备
公开(公告)号：JP2008292837A
公开(公告)日：2008-12-04
申请号：JP2007139378
申请日：2007-05-25
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： MANBA NORIO , KUMAGAI SHUNJI , FURUHASHI TSUTOMU
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20
CPC分类号： G09G3/3614 , G09G3/3655 , G09G3/3677 , G09G3/3688 , G09G2310/0289
摘要： PROBLEM TO BE SOLVED: To materialize a dot inversion drive capable of providing a display which hardly causes the deterioration in image quality at a low cost and with low power consumption by using a data driver circuit of low breakdown strength in a TFT liquid crystal display device.
SOLUTION: The data driver circuit is divided into a low potential area A, a middle potential area B and a high potential area C, wherein respective relative breakdown strengths are made equal to one another. Both of the transmission of a power source voltage from the low potential area A to the high potential area C and the transmission of a video signal are allowed to pass through the middle potential area B. Thereby, the breakdown strengths of the respective areas can be suppressed low.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了实现能够以低成本和低功耗提供几乎不导致图像质量劣化的显示的点反转驱动，通过使用TFT液体中的低击穿强度的数据驱动电路水晶显示装置。解决方案：将数据驱动电路分为低电位区域A，中间电位区域B和高电位区域C，其中相应的相对击穿强度彼此相等。电源电压从低电位区域A到高电位区域C的传输和视频信号的传输都允许通过中间电位区域B.因此，各个区域的击穿强度可以是抑制低。版权所有（C）2009，JPO＆INPIT

64. 发明专利

JP2008145471A Image correction method and image display device 有权
标题翻译：图像校正方法和图像显示装置
公开(公告)号：JP2008145471A
公开(公告)日：2008-06-26
申请号：JP2006329049
申请日：2006-12-06
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： KATAYAMA YUKARI , KUDO YASUYUKI , MANBA NORIO , TANAKA YOSHINORI
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20 , G09G5/00 , G09G5/10 , H04N5/66
CPC分类号： G09G3/006 , G09G2320/0233 , G09G2320/0285 , G09G2360/14
摘要： PROBLEM TO BE SOLVED: To minimize the reduction of contrast when correcting the luminance variation in a display panel. SOLUTION: A luminance distribution (a) of a maximum grayscale inputted to a display panel is corrected into a curved surface luminance distribution (b) so that the maximum grayscale becomes a luminance curved surface having the highest luminance in the center of the display panel and having lower luminance in the periphery of the display panel. A luminance distribution of a minimum grayscale is corrected so that the minimum grayscale becomes a luminance curved surface having the lowest luminance in the center of the display panel and having higher luminance in the periphery of the display panel. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了在校正显示面板中的亮度变化时最小化对比度的降低。解决方案：输入到显示面板的最大灰度的亮度分布（a）被校正为曲面亮度分布（b），使得最大灰度变为具有最高亮度的亮度曲面显示面板，并且在显示面板的周边具有较低的亮度。校正最小灰度的亮度分布，使得最小灰度变为在显示面板的中心具有最低亮度且在显示面板周边具有较高亮度的亮度曲面。版权所有（C）2008，JPO＆INPIT

65. 发明专利

JP2007011278A Display device and method for controlling display device 有权
标题翻译：显示装置和控制显示装置的方法
公开(公告)号：JP2007011278A
公开(公告)日：2007-01-18
申请号：JP2006036626
申请日：2006-02-14
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： MANBA NORIO , MIYAZAWA TOSHIO , KUDO YASUYUKI
IPC分类号： G09G3/36 , G02F1/133 , G09G3/20 , H03K19/0185
CPC分类号： G09G3/3688 , G09G3/3696 , G09G2310/0289
摘要： PROBLEM TO BE SOLVED: To provide a display device equipped with a voltage level converter comprising NMOS transistors of the same conduction type capable of sufficiently suppressing a through current even when a Low level of an input signal and a Low level of an output signal varies and even when a Hi level of the input signal and a Hi level of an output signal vary. SOLUTION: The voltage level converter for driving resistive and capacitive loads RL, CL of the display device includes a charge circuit 6 having a capacitance CPA, NMOS 1, a capacitance CB, and NMOS 3; a discharge circuit 7 having NMOS 2, NMOS 4 and NMOS 5; and a reset signal generating circuit RST provided in a preceding stage of the discharge circuit 7. A signal /VIN having an inverted phase to an input pulse is applied to the reset signal generating circuit RST. The output of the reset signal generating circuit is supplied to gate terminals of the NMOS 2, NMOS 4 and NMOS 5, thus realizing reliable turning ON or OFF the discharge circuit 7. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种配备有电压电平转换器的显示装置，该电压电平转换器包括能够充分抑制通过电流的相同导电类型的NMOS晶体管，即使当输入信号的低电平和输出的低电平即使当输入信号的Hi电平和输出信号的Hi电平变化时，信号也变化。解决方案：用于驱动显示装置的电阻和电容负载RL，CL的电压电平转换器包括具有电容CPA，NMOS 1，电容CB和NMOS 3的充电电路6; 具有NMOS2，NMOS4和NMOS5的放电电路7; 以及设置在放电电路7的前级的复位信号生成电路RST。具有与输入脉冲相反的相位的信号/ VIN被施加到复位信号生成电路RST。复位信号发生电路的输出被提供给NMOS2，NMOS4和NMOS5的栅极端子，从而实现放电电路7的可靠的导通或截止。（C）2007，JPO＆INPIT

66. 发明专利

JP2005338527A Display device and driving method 有权
标题翻译：显示设备和驱动方法
公开(公告)号：JP2005338527A
公开(公告)日：2005-12-08
申请号：JP2004158633
申请日：2004-05-28
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： KUDO YASUYUKI , MANBA NORIO , SHOJI TAKASHI
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36
摘要： PROBLEM TO BE SOLVED: To provide a display device the power consumption of which is reduced without making the structure thereof complicated nor large-sized by mounting an AD converting circuit which detects holding capacity of each pixel. SOLUTION: The display device is configured to acquires pixel information which is displayed by detecting amounts of electric charges accumulated in hold capacity elements 108 of respective pixels for display by the analog-digital converting circuit 111 in a data driver 103 and then write the pixel information to the hold capacity element 108 in a liquid crystal display panel 100 again. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了提供一种显示装置，通过安装检测每个像素的保持容量的AD转换电路，能够降低功耗而不使其结构复杂化或大型化。解决方案：显示装置被配置为通过在数据驱动器103中检测由模拟数字转换电路111在各个像素的保持电容元件108中累积的电荷量来显示所显示的像素信息，然后写入将像素信息再次发送到液晶显示面板100中的保持电容元件108。版权所有（C）2006，JPO＆NCIPI

67. 发明专利

JP2005091652A Display device 审中-公开
标题翻译：显示设备
公开(公告)号：JP2005091652A
公开(公告)日：2005-04-07
申请号：JP2003323897
申请日：2003-09-17
申请人： Hitachi Displays Ltd , Hitachi Ltd , 株式会社日立ディスプレイズ , 株式会社日立製作所
发明人： MANBA NORIO , KUDO YASUYUKI , SATO HIDEO
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36 , H04N5/66
CPC分类号： G09G3/3666 , G09G3/3659 , G09G2300/0809
摘要： PROBLEM TO BE SOLVED: To asynchronously display two different display signals without using a frame memory and to control superposition of two video images on a horizontal line. SOLUTION: This display device is constituted so that a plurality of horizontal display control lines CTL are arranged in parallel with a signal line D, connected to switching elements ctl of pixels, as to the pixel which does not rewrite the display signal among the pixels of which the switching elements sw become an on-state by selected voltage from a gate line G, the switching elements ctl are made to be an off-state, the display signal is not applied to a liquid crystal cell, as to the pixel which rewrites the display signal, the switching element ctl is made the on-state by applying a rewrite selection signal by a horizontal display control circuit 109 and the display signal is rewritten by applying the display signal corresponding to the pixel to be outputted by a signal circuit to the liquid crystal cell. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：异步显示两个不同的显示信号，而不使用帧存储器，并控制水平线上两个视频图像的叠加。解决方案：该显示装置被构造成使得多个水平显示控制线CTL与连接到像素的开关元件ct1的信号线D并联布置，关于不重写显示信号的像素开关元件sw通过选择的电压从栅极线G变为导通状态的像素，使开关元件ct1成为截止状态，显示信号不施加到液晶单元，关于重写显示信号的像素，通过由水平显示控制电路109施加重写选择信号使开关元件ct1变为导通状态，并且通过应用与要由a输出的像素相对应的显示信号来重写显示信号信号电路到液晶单元。版权所有（C）2005，JPO＆NCIPI

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