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公开(公告)号:US07145532B2
公开(公告)日:2006-12-05
申请号:US10438037
申请日:2003-05-15
申请人: Hiroshi Kageyama , Hajime Akimoto
发明人: Hiroshi Kageyama , Hajime Akimoto
IPC分类号: G09G3/30
CPC分类号: G09G3/3233 , G09G3/2011 , G09G3/2014 , G09G3/2022 , G09G2300/0809 , G09G2300/0819 , G09G2300/0828 , G09G2300/0852 , G09G2300/0861 , G09G2310/0262 , G09G2310/066 , G09G2320/0252 , G09G2320/043
摘要: There is provided an image display apparatus having light emitting elements in its pixels, and capable of producing a high-resolution, multi-gray-scale-level display. In an embodiment of the present invention, each of pixel circuits is provided with a current limiting circuit for generating a specified drive current and a time modulation circuit for modulating a duration of time supplying the specified drive current to the light emitting element. In another embodiment of the present invention, each of pixel circuits is provided with a current limiting circuit for generating a specified drive current and a current generator circuit for generating a plurality of values of currents on the basis of the specified drive current.
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公开(公告)号:US20060092143A1
公开(公告)日:2006-05-04
申请号:US11260484
申请日:2005-10-28
申请人: Naruhiko Kasai , Hajime Akimoto , Hiroshi Kageyama
发明人: Naruhiko Kasai , Hajime Akimoto , Hiroshi Kageyama
IPC分类号: G09G5/00
CPC分类号: G06F3/0416
摘要: Sensors are arranged in matrix form on a touch panel device. The touch panel device is provided with a P/S conversion circuit having the X-coordinate scan range change function and a P/S conversion circuit having the Y-coordinate scan range change function according to the similar configuration. When a touch is sensed, a scan range is limited around the touched position. This makes it possible to increase a speed of detecting an X coordinate signal and a Y coordinate signal without accelerating a scan shift clock.
摘要翻译: 传感器以矩阵形式布置在触摸面板装置上。 触摸面板装置具有根据类似配置的具有X坐标扫描范围改变功能的P / S转换电路和具有Y坐标扫描范围改变功能的P / S转换电路。 当感测到触摸时,扫描范围围绕触摸位置被限制。 这使得可以在不加速扫描移位时钟的情况下增加检测X坐标信号和Y坐标信号的速度。
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公开(公告)号:US20050024302A1
公开(公告)日:2005-02-03
申请号:US10772454
申请日:2004-02-06
CPC分类号: G09G3/325 , G09G3/2014 , G09G2300/0465 , G09G2300/0842 , G09G2310/0205 , G09G2310/0208 , G09G2320/0223 , G09G2320/0252
摘要: In an image display device according to the present invention, means for selecting a pixel to which a display signal current is to be passed has a function of selecting a plurality of pixels simultaneously. Thus, high-precision display can be realized with a number of pixels.
摘要翻译: 在根据本发明的图像显示装置中,用于选择要通过显示信号电流的像素的装置具有同时选择多个像素的功能。 因此,可以利用多个像素实现高精度显示。
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公开(公告)号:US08743155B2
公开(公告)日:2014-06-03
申请号:US12849136
申请日:2010-08-03
申请人: Masato Ishii , Naruhiko Kasai , Hajime Akimoto
发明人: Masato Ishii , Naruhiko Kasai , Hajime Akimoto
CPC分类号: G09G3/3208 , G09G3/2092 , G09G2310/0275 , G09G2320/0233 , G09G2320/0242 , G09G2320/0271 , G09G2320/0276 , G09G2320/0285 , G09G2320/0295 , G09G2320/043 , G09G2320/0693 , G09G2360/16
摘要: A display device capable of correcting display of deteriorated pixels without causing a nonconstant tonality or improper color balance is provided. The display device includes a display section with plural pixels; signal lines; a data generation circuit; a D/A converter for sequentially converting a tone data to an analog voltage and outputting the analog voltage to the signal lines; a switch circuit for outputting a signal corresponding to the pixel state by switching the signal lines; an A/D converter for sequentially detecting the signal; and a detection circuit for estimating the state of the pixel from the signal. The D/A converter includes an output range setting means for setting an allowed output range of the analog voltage. The display device includes an output correction circuit that controls the output range setting means in accordance with the state of the pixel detected by the detection circuit.
摘要翻译: 提供能够校正恶化像素的显示而不引起不均匀色调或不正确色彩平衡的显示装置。 显示装置包括具有多个像素的显示部分; 信号线 数据生成电路; D / A转换器,用于将音调数据顺序地转换为模拟电压并将模拟电压输出到信号线; 开关电路,用于通过切换信号线来输出与像素状态对应的信号; 用于顺序地检测信号的A / D转换器; 以及检测电路,用于根据该信号估计像素的状态。 D / A转换器包括用于设置模拟电压的允许输出范围的输出范围设置装置。 显示装置包括输出校正电路,其根据由检测电路检测的像素的状态来控制输出范围设定装置。
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公开(公告)号:US08508562B2
公开(公告)日:2013-08-13
申请号:US13330416
申请日:2011-12-19
IPC分类号: G09G5/10
CPC分类号: G09G3/32 , G09G3/2014 , G09G3/3208 , G09G3/3233 , G09G3/3258 , G09G3/3283 , G09G3/3291 , G09G5/10 , G09G5/18 , G09G2300/0408 , G09G2300/0417 , G09G2300/0426 , G09G2300/0439 , G09G2300/0809 , G09G2300/0819 , G09G2300/0842 , G09G2300/0852 , G09G2300/0861 , G09G2300/0876 , G09G2310/027 , G09G2310/062 , G09G2310/065 , G09G2310/066 , G09G2320/0233 , G09G2320/0242 , G09G2320/0257 , G09G2320/0261 , G09G2320/043 , G09G2320/0626
摘要: The invention provides an image display device that has an especially satisfactory display quality for animated images, and sufficiently suppresses the irregularities of display quality among pixels. The image display device includes a light emitting drive means that drives a light emitting means, based on an analog display signal inputted to the pixels, and a light emitting control switch for controlling a light-on or light-off of the light emitting means on one end of the light emitting drive means in each pixel.
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公开(公告)号:US20120249483A1
公开(公告)日:2012-10-04
申请号:US13438043
申请日:2012-04-03
IPC分类号: G06F3/042
CPC分类号: G09G3/2096 , G06F3/0412 , G06F3/042 , G09G2300/0443 , G09G2300/0842 , G09G2300/0876 , G09G2360/14
摘要: A display device with a touch pad function is provided which reduces the elements required to form a photo sensor while still accurately detecting input coordinate positions. The display device includes a display part on which a plurality of pixels are arranged in a matrix array, a plurality of photo detection circuits which are arranged in a matrix array in the inside of the display part, wherein each photo detection circuit of the plurality of photo detection circuits includes: a photo sensor which converts an incident light into a optical current corresponding to intensity of the incident light, an integral capacitance which integrates the optical current converted by the photo sensor, and a comparator to which a voltage of the integral capacitance is inputted, and the comparator includes a transistor of an open drain output type with a grounded source.
摘要翻译: 提供具有触摸板功能的显示装置,其减少了形成光传感器所需的元件,同时仍然准确地检测输入坐标位置。 显示装置包括:多个像素排列成矩阵的显示部,在显示部的内部排列成矩阵阵列的多个光检测电路,其中,多个像素的各光检测电路 光检测电路包括:光传感器,其将入射光转换成与入射光的强度相对应的光电流,积分电容,其对由光传感器转换的光电流进行积分,并将积分电容的电压 并且比较器包括具有接地源的开漏输出型晶体管。
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公开(公告)号:US20120086739A1
公开(公告)日:2012-04-12
申请号:US13330416
申请日:2011-12-19
CPC分类号: G09G3/32 , G09G3/2014 , G09G3/3208 , G09G3/3233 , G09G3/3258 , G09G3/3283 , G09G3/3291 , G09G5/10 , G09G5/18 , G09G2300/0408 , G09G2300/0417 , G09G2300/0426 , G09G2300/0439 , G09G2300/0809 , G09G2300/0819 , G09G2300/0842 , G09G2300/0852 , G09G2300/0861 , G09G2300/0876 , G09G2310/027 , G09G2310/062 , G09G2310/065 , G09G2310/066 , G09G2320/0233 , G09G2320/0242 , G09G2320/0257 , G09G2320/0261 , G09G2320/043 , G09G2320/0626
摘要: The invention provides an image display device that has an especially satisfactory display quality for animated images, and sufficiently suppresses the irregularities of display quality among pixels. The image display device includes a light emitting drive means that drives a light emitting means, based on an analog display signal inputted to the pixels, and a light emitting control switch for controlling a light-on or light-off of the light emitting means on one end of the light emitting drive means in each pixel.
摘要翻译: 本发明提供了一种对于动画图像具有特别令人满意的显示质量的图像显示装置,并且充分抑制了像素之间的显示质量的不规则性。 图像显示装置包括基于输入到像素的模拟显示信号来驱动发光装置的发光驱动装置和用于控制发光装置的点亮或点亮的发光控制开关, 每个像素中的发光驱动装置的一端。
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公开(公告)号:US20120050252A1
公开(公告)日:2012-03-01
申请号:US13207951
申请日:2011-08-11
CPC分类号: G09G3/3233 , G09G2300/0852 , G09G2300/0861 , G09G2310/0251
摘要: An nMOS is used for a drive TFT and a display device is provided without being affected by variations in the threshold voltage of the drive TFT. A display device includes: a field-effect transistor that controls a drive current of a light emitting element; a first switch provided between a source of the field-effect transistor and an anode terminal of the light emitting element; a second switch provided between the source of the field-effect transistor and a signal line; a third switch provided between a drain of the field-effect transistor and a power supply line; a fourth switch provided between the drain and a gate of the field-effect transistor; a capacitor provided between the gate of the field-effect transistor and the anode terminal of the light emitting element; and a fifth switch provided between the anode terminal of the light emitting element and a predetermined voltage supply line.
摘要翻译: nMOS用于驱动TFT,并且提供显示装置而不受驱动TFT的阈值电压的变化的影响。 显示装置包括:场效应晶体管,其控制发光元件的驱动电流; 设置在所述场效应晶体管的源极和所述发光元件的阳极端子之间的第一开关; 设置在场效应晶体管的源极和信号线之间的第二开关; 设置在场效应晶体管的漏极和电源线之间的第三开关; 设置在场效应晶体管的漏极和栅极之间的第四开关; 设置在场效应晶体管的栅极和发光元件的阳极端子之间的电容器; 以及设置在所述发光元件的阳极端子与预定电压供给线之间的第五开关。
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公开(公告)号:US20110310137A1
公开(公告)日:2011-12-22
申请号:US13163149
申请日:2011-06-17
申请人: Kenta Kajiyama , Takeshi Izumida , Naoki Tokuda , Hajime Akimoto
发明人: Kenta Kajiyama , Takeshi Izumida , Naoki Tokuda , Hajime Akimoto
IPC分类号: G09G5/10
CPC分类号: G09G3/3225 , G09G2300/0861 , G09G2310/06 , G09G2320/0233 , G09G2320/045
摘要: The present invention provides an image display device comprising data lines each supplying a data signal, and a plurality of pixel circuits. Each of the pixel circuits includes a light-emitting element, a capacitor which stores a difference in potential caused by the data signal therein, a drive transistor which has a gate electrode connected to the data line via the capacitor and controls light emission of the light-emitting element based on a difference in potential between the gate electrode and a source electrode thereof, which is generated by a potential supplied by the data line and the potential difference stored in the capacitor, and a variation control switch which causes the difference in potential between the gate and source electrodes of the drive transistor to vary based on the data signal at the turning on thereof and prevents the difference in potential from varying at the turning off thereof.
摘要翻译: 本发明提供一种图像显示装置,包括各自提供数据信号的数据线和多个像素电路。 每个像素电路包括发光元件,存储由其中的数据信号引起的电位差的电容器,驱动晶体管,其具有经由电容器连接到数据线的栅电极并控制光的发光 基于由数据线提供的电位和存储在电容器中的电位差产生的栅电极和源电极之间的电位差的发光元件以及使电位差产生差异的变化控制开关 驱动晶体管的栅极和源极之间的电位根据其导通时的数据信号而变化,并且防止电位差在其截止时变化。
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公开(公告)号:US20100141616A1
公开(公告)日:2010-06-10
申请号:US12706278
申请日:2010-02-16
CPC分类号: G09G3/3233 , G09G2300/0823 , G09G2320/0233 , G09G2320/043
摘要: The present invention enhances a display quality of a display device as a task. As means for solving such a task, the present invention provides a display device including a light emitting element and a switching element in a pixel, wherein the switching element is provided for supplying a power source to the light emitting element and is constituted of a first switching element and a second switching element. The first switching element and the second switching element are configured to be operated, in response to inputting of data signals into the inside of the pixel, one switching element assumes a positive bias state and another switching element assumes a reverse bias state, and the bias states are alternately changed over between the first switching element and the second switching element in response to time-sequential inputting of the data signals, and the supply of the power source to the light emitting element is performed by way of either one of the first switching element and the second switching element.
摘要翻译: 本发明提高了作为任务的显示装置的显示质量。 作为解决这样的任务的手段,本发明提供了一种在像素中包括发光元件和开关元件的显示装置,其中,所述开关元件用于向所述发光元件供给电源,并且由第一 开关元件和第二开关元件。 第一开关元件和第二开关元件被配置为响应于将数据信号输入到像素的内部而被操作,一个开关元件呈现正偏置状态,另一个开关元件呈现反向偏置状态,并且偏置 响应于数据信号的时序输入,状态在第一开关元件和第二开关元件之间交替地改变,并且通过第一开关中的任一个来执行向发光元件的供应 元件和第二开关元件。
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