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    • 32. 发明申请
    • Display Device
    • 显示设备
    • US20070247413A1
    • 2007-10-25
    • US11739335
    • 2007-04-24
    • Junichi MaruyamaYoshihisa OoishiKikuo Ono
    • Junichi MaruyamaYoshihisa OoishiKikuo Ono
    • G09G3/36
    • G09G3/2011G09G3/2014G09G2310/0251G09G2320/0247G09G2320/0257G09G2320/0261G09G2320/0285
    • A display device includes an LUT storing circuit and an LUT holding circuit, a representative point selecting circuit, and a compensation amount calculating circuit. The storing and holding circuits store and hold not compensation amounts of all points but compensation amounts of representative points in a lookup table. The representative point selecting circuit refers to a compensation amount for a representative point in the lookup table and three representative points neighboring an interpolating object point for deriving a compensation amount of each interpolating object point except the representative points in the lookup table. The compensation amount calculating circuit calculates the compensation amount of each interpolating point except the representative points by performing an interpolating operation with respect to the compensation amounts of the three neighboring representative points.
    • 显示装置包括LUT存储电路和LUT保持电路,代表点选择电路和补偿量计算电路。 存储和保持电路存储和保持查找表中的所有点的补偿量,而代表点的补偿量。 代表点选择电路是指查找表中的代表点的补偿量和与内插对象点相邻的三个代表点,用于导出除了查找表中的代表点之外的每个内插对象点的补偿量。 补偿量计算电路通过对三个相邻代表点的补偿量进行内插操作来计算除了代表点之外的每个内插点的补偿量。
    • 33. 发明申请
    • Display device
    • 显示设备
    • US20050083353A1
    • 2005-04-21
    • US10914645
    • 2004-08-10
    • Junichi MaruyamaHiroyuki Nitta
    • Junichi MaruyamaHiroyuki Nitta
    • G09G3/36
    • G09G3/3611G09G2300/0434G09G2320/0242G09G2320/0252G09G2320/0257G09G2320/0261G09G2340/16
    • A correction circuit produces correction data, which is used to shorten a response time in a display panel, using first display data received from an external device and second display data stored in a frame memory, and appends the correction data to the first display data. The correction circuit includes: a detection information production circuit that detects based on first color information, second color information, and third color information, which is inferred from the response characteristic of the display panel and represents a change of a gray-scale level from one level to other, whether a color gap is produced during the change of a gray-scale level from one level to other; and a production circuit that when the detection information production circuit detects that a color gap is produced during the change of a gray-scale level from one level to other, produces correction data for the purpose of preventing production of the color gap.
    • 校正电路产生校正数据,其用于使用从外部设备接收的第一显示数据和存储在帧存储器中的第二显示数据来缩短显示面板中的响应时间,并将校正数据附加到第一显示数据。 校正电路包括:检测信息生成电路,其基于从显示面板的响应特性推断的第一颜色信息,第二颜色信息和第三颜色信息进行检测,并且表示灰度级的变化 在灰度级别从一个级别到另一级别的变化期间是否产生色差; 以及生成电路,当检测信息生成电路检测到在灰度级从一个级别变化到另一级时产生色差时,产生用于防止色差产生的校正数据。
    • 34. 发明授权
    • Key switch and keyboard
    • 钥匙开关和键盘
    • US06376789B2
    • 2002-04-23
    • US09833709
    • 2001-04-13
    • Junichi MaruyamaTakashi TeradaHitoshi OhkuboKazutoshi Hayashi
    • Junichi MaruyamaTakashi TeradaHitoshi OhkuboKazutoshi Hayashi
    • H01H1370
    • H01H13/7006H01H3/125H01H2227/028H01H2227/036H01H2231/042
    • A key switch includes a base, a key top arranged above the base, a pair of link members interlocked to each other to support the key top above the base and direct the key top in a vertical direction, and a switching mechanism capable of opening and closing an electric circuit in connection with a vertical movement of the key top. Each of the link members includes an engagable end region engaged with the key top. The base includes an inner peripheral surface defining an opening capable of receiving the link members. The base is provided on the inner peripheral surface with protruding wall parts located at positions respectively facing oppositely to the engagable end regions of the link members. Each protruding wall part serves to locally reduce a clearance defined between the inner peripheral surface and the engagable region of each link member when the link member is received in the opening.
    • 钥匙开关包括基座,布置在基座上方的键顶,一对互锁的支撑构件,以支撑基座上方的键顶部并在顶部方向上引导键顶;以及切换机构,其能够打开和 关闭与键顶的垂直运动有关的电路。 每个链接构件包括与键顶接合的可接合的端部区域。 底座包括限定能够接收连杆构件的开口的内周面。 基部设置在内周面上,突出壁部位于分别面对连接构件的可接合端部区域的相对的位置。 当连接构件被容纳在开口中时,每个突出壁部分用于局部地减小限定在每个连杆构件的内周表面和可接合区域之间的间隙。
    • 37. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20110234648A1
    • 2011-09-29
    • US13050981
    • 2011-03-18
    • Yoshihisa OOISHIGoki ToshimaJunichi MaruyamaMisa Owa
    • Yoshihisa OOISHIGoki ToshimaJunichi MaruyamaMisa Owa
    • G09G5/10
    • G09G3/3648G09G2320/0252G09G2340/16
    • Provided is a display device including: a control portion; a display panel including one or more pixel circuits and an image signal line connected to the pixel circuits; and an image signal line driving circuit. The control portion includes a difference acquiring circuit for acquiring difference data between a value of a gray-level potential, which is to be applied to one of the pixel circuits from the image signal line, and a value of a precharge potential based on the gray-level potential. The image signal line driving circuit calculates the precharge potential based on the value of the gray-level potential and the difference data, and supplies the image signal line with the precharge potential and the gray-level potential in sequence.
    • 提供一种显示装置,包括:控制部; 包括一个或多个像素电路和连接到像素电路的图像信号线的显示面板; 和图像信号线驱动电路。 控制部分包括差分获取电路,用于从图像信号线获取要应用于像素电路中的一个的灰度电位的值与基于灰度的预充电电位的值之间的差分数据 水平的潜力。 图像信号线驱动电路基于灰度电位和差分数据的值来计算预充电电位,并且依次提供具有预充电电位和灰度电位的图像信号线。
    • 40. 发明申请
    • Display Device
    • 显示设备
    • US20080303758A1
    • 2008-12-11
    • US12131202
    • 2008-06-02
    • Yoshihisa OoishiJunichi MaruyamaTakashi ShojiKikuo Ono
    • Yoshihisa OoishiJunichi MaruyamaTakashi ShojiKikuo Ono
    • G09G3/34
    • G09G3/2033G09G3/2037G09G3/36G09G3/3611G09G5/399G09G2340/02G09G2360/18
    • High-order bits to be utilized for current-frame display data and previous-frame display data, and low-order bits to be utilized for the current-frame display data alone are stored in independently controllable memory areas. For reading the current-frame display data from a frame memory, data of the high-order bits and data of the low-order bits are read. For reading the previous-frame data, the high-order bits alone are read. Thus, since a period during which the data of the low-order bits that is not utilized for the previous-frame display data is stored in the memory is shortened, a required memory capacity can be reduced. The data transfer time can be reduced by the time required for memory read for the data of the low-order bits that is not utilized for the previous-frame display data.
    • 用于当前帧显示数据和前一帧显示数据的高位数,以及仅用于当前帧显示数据的低位比特存储在独立可控存储区域中。 为了从帧存储器读取当前帧显示数据,读取高位数据和低位数据的数据。 为了读取前一帧数据,只读取高位。 因此,由于缩短了对前一帧显示数据未被利用的低位数据的数据存储在存储器中的时段,所以可以减少所需的存储器容量。 数据传输时间可以减少对于未用于前一帧显示数据的低位的数据的存储器读取所需的时间。