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    • 2. 发明授权
    • Display apparatus
    • 显示装置
    • US08587755B2
    • 2013-11-19
    • US12300480
    • 2008-03-14
    • Yoshiharu NakajimaGo Yamanaka
    • Yoshiharu NakajimaGo Yamanaka
    • G02F1/133
    • G02F1/13318G02F1/13338G02F1/133512G02F1/13454G06F3/0418G06F3/0421H01L27/1214
    • A liquid crystal display apparatus having little influence of noise and able to improve an SN ratio of a light reception system without requiring a calibration operation when turning on the power, is provided. The apparatus has a plurality of display cells 21 having display circuits 210, light receiving cells 22 each including a light receiving element 221, a reference cell 23 having a configuration equivalent to the configuration of the light receiving cell and blocked from incidence of a light upon the light receiving element 221, and a received light signal processing circuit 6 performing differential signal processing of an output signal of the light receiving cell 22 and an output signal of the reference cell 23 and deleting noise.
    • 提供了一种对打开电源而不需要校准操作的噪声影响小并能够提高光接收系统的SN比的液晶显示装置。 该装置具有多个显示单元21,其具有显示电路210,各自包括光接收元件221的光接收单元22,具有与光接收单元的配置等效的配置的基准单元23, 光接收元件221以及对光接收单元22的输出信号进行差分信号处理的接收光信号处理电路6和参考单元23的输出信号以及删除噪声。
    • 3. 发明授权
    • Liquid crystal display and portable terminal having the same
    • 具有相同的液晶显示器和便携式终端
    • US08456399B2
    • 2013-06-04
    • US12776986
    • 2010-05-10
    • Noboru ToyozawaYoshiharu Nakajima
    • Noboru ToyozawaYoshiharu Nakajima
    • G09G3/36
    • G09G3/3677G09G3/2011G09G3/3614G09G3/3659G09G2300/0809G09G2300/0857G09G2310/04G09G2320/10G09G2330/02G09G2330/021G09G2340/0428
    • A liquid crystal display that is unsusceptible to the effect of a pixel potential during writing of data to a memory, allowing a large margin to be provided against variation in characteristics of transistors forming a pixel circuit, and a portable terminal having the liquid crystal display. In a pixel circuit including a memory circuit (25), separate paths are provided for writing image data from a signal line (16-i) to the memory circuit (25) via a data-write switch (24) and for reading image data held in the memory circuit (25) out into a liquid crystal cell unit via a data-read switch (27). Furthermore, image data are read via a data-read buffer (26). Accordingly, when image data is written to the memory, data held in the memory circuit (25) is not affected by a pixel potential. Thus, a large margin can be provided against variation in the characteristics of the transistors forming the pixel circuit, serving to avoid variation in picture quality due to the variation in the transistor characteristics.
    • 一种液晶显示器,其在将数据写入存储器期间不受影响像素电位的影响,允许针对形成像素电路的晶体管的特性的变化提供较大的余量,以及具有液晶显示器的便携式终端。 在包括存储器电路(25)的像素电路中,提供分离的路径,用于经由数据写入开关(24)将图像数据从信号线(16-i)写入存储器电路(25)并用于读取图像数据 通过数据读取开关(27)将其保持在存储器电路(25)中并进入液晶单元单元。 此外,经由数据读取缓冲器(26)读取图像数据。 因此,当将图像数据写入存储器时,保持在存储电路(25)中的数据不受像素电位的影响。 因此,为了避免由于晶体管特性的变化引起的图像质量的变化,可以提供大的边缘来抵抗形成像素电路的晶体管的特性的变化。
    • 7. 发明授权
    • Level converter circuit, display device and portable terminal device
    • 电平转换电路,显示设备和便携式终端设备
    • US07911434B2
    • 2011-03-22
    • US11529683
    • 2006-09-27
    • Noboru ToyozawaYoshiharu Nakajima
    • Noboru ToyozawaYoshiharu Nakajima
    • G09G3/36
    • H03K19/0016G09G3/20G09G3/3659G09G3/3688G09G2300/0408G09G2300/0814G09G2300/0842G09G2310/0232G09G2310/0289G09G2310/0297G09G2310/08G09G2330/021H03K3/356113
    • This invention realizes reduction in consumption of DC current in a level converter circuit by setting level shifters in an operating state only when necessary in accordance with hierarchical control, in which an output pulse of a level shifter (311) that is constantly in a power-ON state is used to set a level shifter (321) of the next hierarchical level in the operating state, then output pulses of the level shifter (311) and the level shifter (321) are used to generate control pulses LT1 and LT2, which are used to set level shifters (341 to 346) of the next hierarchical level in the operating state, and an output pulse of one of the level shifters is used to set level shifters (351), (352) and (353) of the next hierarchical level in the operating state. Thus, a level converter circuit in which the consumption of DC current is reduced and which enables reduction in power consumption of the whole device, a display device equipped with this level converter circuit, and a portable telephone device using the display device as an output display unit can be constructed.
    • 本发明通过仅在根据分级控制的必要时将电平移位器设定在工作状态来实现电平转换器电路中的直流电流的消耗的降低,其中,电平转换器(311)的输出脉冲始终处于电源转换器 ON状态用于在操作状态下设置下一级别的电平移位器(321),然后使用电平移位器(311)和电平移位器(321)的输出脉冲来产生控制脉冲LT1和LT2, 用于在操作状态下设置下一层级的电平移位器(341至346),并且使用一个电平移位器的输出脉冲来设置电平移位器(351),(352)和(353)的电平移位器 在运行状态下的下一层级。 因此,其中直流电流的消耗减少并且能够降低整个装置的功耗的电平转换器电路,配备有该电平转换器电路的显示装置以及使用显示装置作为输出显示器的便携式电话装置 单位可以建造。
    • 10. 发明申请
    • INFORMATION INPUT DEVICE, INFORMATION INPUT/OUTPUT DEVICE AND ELECTRONIC DEVICE
    • 信息输入设备,信息输入/输出设备和电子设备
    • US20100271321A1
    • 2010-10-28
    • US12685846
    • 2010-01-12
    • Michiru SENDAYoshiharu NAKAJIMATsutomu HARADAGo YAMANAKADaisuke TAKAMA
    • Michiru SENDAYoshiharu NAKAJIMATsutomu HARADAGo YAMANAKADaisuke TAKAMA
    • G06F3/041
    • G06F3/0412G06F3/0416G06F3/042
    • An information input device includes an input panel including an illumination light source, a plurality of first light-receiving elements and one or more second light-receiving elements, the illumination light source emitting detection light for detecting an external proximity object, the plurality of first light-receiving elements receiving detection light emitted from the illumination light source and then reflected from the external proximity object, the second light-receiving elements for monitoring the intensity of the detection light; a correction section performing adaptive sensitivity correction on light-receiving signals obtained by the first light-receiving elements through use of an intensity monitor signal of detection light obtained by the second light-receiving element; and an image processing section obtaining object information about one or more of the position, shape and size of the external proximity object based on a picked-up image obtained from the light-receiving signals subjected to the sensitivity correction by the correction section.
    • 信息输入装置包括:输入面板,包括照明光源,多个第一受光元件和一个或多个第二受光元件,所述照明光源发射用于检测外部邻近物体的检测光,所述多个第一光接收元件 光接收元件接收从照明光源发出的检测光,然后从外部接近物体反射,第二光接收元件用于监视检测光的强度; 校正部分,通过使用由第二光接收元件获得的检测光的强度监视信号对由第一光接收元件获得的光接收信号执行自适应灵敏度校正; 以及图像处理部,其基于从由所述校正部进行了所述灵敏度校正的受光信号获得的拍摄图像,获取关于所述外部邻近对象的位置,形状和尺寸的一个或多个的对象信息。