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    • 52. 发明申请
    • Display Device and Display System Using the Same
    • 显示设备和显示系统使用它
    • US20070200861A1
    • 2007-08-30
    • US11687449
    • 2007-03-16
    • Yoshiyuki KurokawaTakayuki Ikeda
    • Yoshiyuki KurokawaTakayuki Ikeda
    • G06F13/00
    • G09G3/3648G09G3/3659G09G2300/0809G09G2300/0828G09G2300/0842G09G2300/0857G09G2330/021
    • Provided are a display device with low power consumption which enables reduction of an operation processing amount of a GPU and which does not require a storage device for storing image data corresponding to one screen, and a display system using the display device. The display device is constituted by pixels each including storage circuits, an operation processing circuit, and a display processing circuit and circuits each having a function of storing image data in arbitrary storage circuits. The display system is constituted by the display device and an image processing device including the GPU. Image data is formed for each structural component through operation processing in the GPU in the display system. The formed image data is stored in the corresponding storage circuit for each pixel. The stored image data is subjected to composition processing by the operation processing circuit for each pixel. Then, the image data is converted into an image signal in the display processing circuit.
    • 提供了一种低功耗的显示装置,其能够降低GPU的操作处理量,并且不需要用于存储与一个屏幕相对应的图像数据的存储装置,以及使用该显示装置的显示系统。 显示装置由各自包括存储电路,操作处理电路和显示处理电路的像素构成,并且每个具有将图像数据存储在任意存储电路中的功能的电路构成。 显示系统由显示装置和包括GPU的图像处理装置构成。 通过GPU在显示系统中的操作处理,为每个结构部件形成图像数据。 形成的图像数据被存储在每个像素的对应的存储电路中。 存储的图像数据通过操作处理电路对每个像素进行合成处理。 然后,在显示处理电路中将图像数据转换为图像信号。
    • 54. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08674972B2
    • 2014-03-18
    • US13224569
    • 2011-09-02
    • Yoshiyuki KurokawaTakayuki Ikeda
    • Yoshiyuki KurokawaTakayuki Ikeda
    • G06F3/038G09G5/00
    • H01L27/1251G09G3/3648H01L27/1225
    • The semiconductor device includes a plurality of photosensors arranged in matrix. The photosensors each include a photoelectric conversion element and an amplifier circuit. A backlight is turned on, an object to be detected is irradiated with light, and the photosensor in a p-th row performs the reset operation and the storage operation. After that, the backlight is turned off, and the photosensor in a (p+1)th row performs the reset operation and the storage operation. Then, the photosensors in all the rows sequentially perform the selection operation. A difference between output signals obtained from the photosensors in adjacent rows is obtained. Using the difference, a captured image of the object is generated and a region where the object exists is detected. The amplifier circuit includes a transistor for holding stored electric charge, in which a channel is formed in an oxide semiconductor layer.
    • 半导体器件包括以矩阵布置的多个光电传感器。 光传感器各自包括光电转换元件和放大器电路。 打开背光源,用光照射待检测物体,第p行的光电传感器进行复位动作和存储动作。 之后,背光源被关闭,并且第(p + 1)行中的光电传感器执行复位操作和存储操作。 然后,所有行中的光电传感器依次执行选择操作。 获得从相邻行中的光电传感器获得的输出信号之间的差异。 使用差异,生成对象的捕获图像并检测对象存在的区域。 放大电路包括用于保持存储的电荷的晶体管,其中在氧化物半导体层中形成沟道。
    • 55. 发明授权
    • Method for driving liquid crystal display device
    • 驱动液晶显示装置的方法
    • US08643580B2
    • 2014-02-04
    • US13213511
    • 2011-08-19
    • Yoshiyuki KurokawaTakayuki Ikeda
    • Yoshiyuki KurokawaTakayuki Ikeda
    • G09G3/36
    • G09G3/3666G09G3/342G09G3/3614G09G3/3688G09G2310/0205G09G2310/0235G09G2310/024G09G2310/0297
    • A method for driving a liquid crystal display device includes the steps of supplying a first image signal used to apply a positive voltage to liquid crystal to pixels via a first and second data lines during a first period; deselecting the pixels with scan lines to supply a second image signal used to apply a negative voltage to liquid crystal which is to be supplied to the pixels in the first row to first data lines and supply the second image signal used to apply a negative voltage to the liquid crystal which is to be supplied to the pixels in the (n+1)-th row to second data lines during a second period; and supplying the second image signal used to apply a negative voltage to the liquid crystal to the pixels via the first and second data lines during a third period.
    • 一种用于驱动液晶显示装置的方法包括以下步骤:在第一周期期间经由第一和第二数据线将用于向液晶施加正电压的第一图像信号提供给像素; 用扫描线取消选择像素以提供第二图像信号,该第二图像信号用于对要提供给第一行中的像素的液晶施加负电压到第一数据线,并将用于施加负电压的第二图像信号提供给 将在第(n + 1)行中的像素提供给第二数据线的液晶在第二时段期间; 以及在第三周期期间经由第一和第二数据线将用于向液晶施加负电压的第二图像信号提供给像素。
    • 57. 发明授权
    • Input/output device and driving method thereof
    • 输入/输出装置及其驱动方法
    • US08605059B2
    • 2013-12-10
    • US13166041
    • 2011-06-22
    • Yoshiyuki KurokawaTakayuki Ikeda
    • Yoshiyuki KurokawaTakayuki Ikeda
    • G06F3/042
    • G06F3/042G06F1/3206G06F1/3262G06F1/3287G06F3/0412Y02D10/171
    • An object is to reduce power consumption. An input/output device including: a display selection signal output circuit outputting a display selection signal during a first display mode and stopping outputting the display selection signal during a second display mode; a photodetection reset signal output circuit outputting N (N is a natural number) photodetection reset signals during a first photodetection mode and outputting M (M is a natural number smaller than N) photodetection reset signals during a second photodetection mode; an output selection signal output circuit outputting N output selection signals during the first photodetection mode and outputting M output selection signals during the second photodetection mode; and a photodetector circuit being reset in accordance with a photodetection reset signal, generating data according to an intensity of light entering the photodetector circuit subsequently, and outputting the data as a data signal in accordance with the output selection signal.
    • 一个目标是降低功耗。 一种输入/输出装置,包括:显示选择信号输出电路,在第一显示模式期间输出显示选择信号,并在第二显示模式期间停止输出显示选择信号; 在第一光电检测模式期间输出N(N是自然数)光电复位信号的光检测复位信号输出电路,并且在第二光电检测模式期间输出M(M是小于N的自然数)光电复位信号; 输出选择信号输出电路,在第一光检测模式期间输出N个输出选择信号,并在第二光电检测模式期间输出M个输出选择信号; 并且光检测器电路根据光电检测复位信号被复位,随后根据进入光电检测器电路的光的强度生成数据,并根据输出选择信号输出数据作为数据信号。
    • 58. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08427280B2
    • 2013-04-23
    • US13177583
    • 2011-07-07
    • Yoshiyuki KurokawaTakayuki IkedaMasami EndoHiroki DemboDaisuke KawaeTakayuki Inoue
    • Yoshiyuki KurokawaTakayuki IkedaMasami EndoHiroki DemboDaisuke KawaeTakayuki Inoue
    • H04Q5/22
    • G06K19/07749
    • In a case where an ASK method is used for a communication method between a semiconductor device and a reader/writer, the amplitude of a radio signal is changed by data transmitted from the semiconductor device to the reader/writer when data is not transmitted from the reader/writer to the semiconductor device. Therefore, in some cases, the semiconductor device mistakes data transmitted from the semiconductor device itself for data transmitted from the reader/writer to the semiconductor device. The semiconductor device includes an antenna circuit, a transmission circuit, a reception circuit, and an arithmetic processing circuit. The antenna circuit transmits and receives a radio signal. The transmission circuit outputs to the reception circuit a signal showing whether or not the antenna circuit is transmitting the radio signal.
    • 在使用ASK方式进行半导体装置与读取器/写入器之间的通信方式的情况下,通过从半导体装置发送到读取器/写入器的数据,无线信号的振幅由数据不从 读取器/写入器到半导体器件。 因此,在某些情况下,半导体器件将从半导体器件本身发送的数据错误地从读取器/写入器发送到半导体器件的数据。 半导体器件包括天线电路,发送电路,接收电路和运算处理电路。 天线电路发送和接收无线电信号。 发送电路向接收电路输出表示天线电路是否正在发送无线信号的信号。
    • 60. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08261999B2
    • 2012-09-11
    • US12943591
    • 2010-11-10
    • Takayuki IkedaYoshiyuki KurokawaMasami Endo
    • Takayuki IkedaYoshiyuki KurokawaMasami Endo
    • G06K19/06
    • G06K19/07749G06F1/189G06F1/26
    • A semiconductor device such as an RFID, which can easily generate a given stable potential, is provided. Circuits included in a semiconductor device are categorized depending on whether a given stable power source potential is necessary. A power source potential generated from a wireless signal received by an antenna with the use of the antenna and a rectifier circuit is supplied to a circuit which needs a given stable power source potential through a regulator. On the other hand, a power source potential generated by the rectifier circuit is supplied to a circuit other than the circuit which needs the arbitrary power source potential. Thus, a semiconductor device including a regulator circuit easily designed with a smaller layout can be provided, and the semiconductor device can easily generate a given stable power source potential.
    • 提供了诸如RFID的半导体器件,其可以容易地产生给定的稳定电位。 包括在半导体器件中的电路根据是否需要给定的稳定电源电位进行分类。 由使用天线和整流电路由天线接收的无线信号产生的电源电位通过调节器提供给需要给定稳定电源电位的电路。 另一方面,由整流电路产生的电源电位被供给到需要任意电源电位的电路以外的电路。 因此,可以提供包括容易设计成具有较小布局的调节器电路的半导体器件,并且半导体器件可以容易地产生给定的稳定的电源电位。