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    • 64. 发明授权
    • Liquid crystal display device and method of driving the same
    • 液晶显示装置及其驱动方法
    • US08077127B2
    • 2011-12-13
    • US11776446
    • 2007-07-11
    • Jae-Hyun ChoJin-Ho ParkJung-Hwan Cho
    • Jae-Hyun ChoJin-Ho ParkJung-Hwan Cho
    • G09G3/36
    • G02F1/136213G02F1/1395G09G3/3655G09G2300/0491G09G2310/0245G09G2310/06G09G2320/0247G09G2330/026
    • An LCD device includes an LCD panel and a power supply section. The LCD panel includes a first substrate having a storage electrode and a pixel electrode, a second substrate having a common electrode, and a liquid crystal layer interposed between the first and second substrates. The LCD panel has an alignment interval during which liquid crystal molecules are transitioned from a splay state to a bend state and a normal operating interval during which an image is displayed in the bend state. The power supply section supplies a first alignment voltage that is higher than the data voltage to the common electrode and supplies a second alignment voltage that is lower than the data voltage to the storage electrode, during the alignment interval. Thus, a transition speed from a transient splay state into a bend state is enhanced, so that an alignment interval may be decreased.
    • LCD装置包括LCD面板和电源部分。 LCD面板包括具有存储电极和像素电极的第一基板,具有公共电极的第二基板和插入在第一和第二基板之间的液晶层。 LCD面板具有对准间隔,在该间隔期间,液晶分子从张开状态转变到弯曲状态以及在弯曲状态下显示图像的正常操作间隔。 在对准间隔期间,供电部分向公共电极提供高于数据电压的第一对准电压并将低于数据电压的第二对准电压提供给存储电极。 因此,从瞬态张开状态到弯曲状态的转移速度增强,从而可以减小对准间隔。
    • 65. 发明申请
    • NITROGEN-OXIDE GAS SENSOR
    • 氮氧化物气体传感器
    • US20110168556A1
    • 2011-07-14
    • US13119599
    • 2009-09-30
    • Jin Su ParkByung Young YoonJung Won ParkJung Hwan ChoSang Beom Kim
    • Jin Su ParkByung Young YoonJung Won ParkJung Hwan ChoSang Beom Kim
    • G01N27/407
    • G01N27/417G01N27/4065G01N27/4074G01N33/0037Y02A50/245
    • The present invention provides a nitrogen-oxide gas sensor that is able to measure nitric oxide and nitrogen dioxide at the same time and ensure measurement accuracy and long stability. The present invention relates to the nitrogen-oxide gas sensor that includes: an oxide ion conductive solid electrolyte; a primary film made of a metal oxide which contacts the solid electrolyte; a secondary film made of a metal oxide that contacts with the solid electrolyte and is separated from the first film; a power source that applies electric power to the primary and secondary films by electrically connecting a primary node to the primary film and a secondary node to the secondary film; a tertiary film made of a metal oxide that contacts the solid electrolyte, wherein the tertiary film and the primary film are connected to the power source in parallel; and a measurement unit that measures the electric potential difference between the primary and secondary nodes.
    • 本发明提供一种氮氧化物气体传感器,其能够同时测量一氧化氮和二氧化氮,并且确保测量精度和长的稳定性。 本发明涉及氮氧化物气体传感器,其包括:氧化物离子传导性固体电解质; 由与固体电解质接触的金属氧化物制成的主膜; 由与固体电解质接触并与第一膜分离的金属氧化物制成的二次膜; 电源,其通过将主节点与初级膜电连接到次级膜和次级节点而向初级膜和次级膜施加电力; 由接触固体电解质的金属氧化物制成的三次膜,其中所述三次膜和所述主膜并联连接到所述电源; 以及测量单元,其测量主节点和次节点之间的电位差。
    • 67. 发明授权
    • Image processing system using vector pixel
    • 图像处理系统使用向量像素
    • US07916141B2
    • 2011-03-29
    • US11697465
    • 2007-04-06
    • Kum-Young ChoiWha RimJung-Hwan Cho
    • Kum-Young ChoiWha RimJung-Hwan Cho
    • G06T11/20G06T11/60
    • G06T11/20
    • An image processing system using vector pixel is disclosed. The system includes a vector pixel with 1 byte, a data unit structure, a data portion, a file generation unit, and a data processing unit. The vector pixel with 1 byte is configured such that, in the low 4 bits, a vector information portion is positioned, and information of one of 8 vectors, up, down, left, right, up-left, up-right, bottom-left, and bottom-right vectors, with respect to X- and Y-axis, is stored. The data unit structure forms a partial image by combining the vector pixel, and has a boundary indicator for indicating the boundary of the partial image at the end of the data unit structure. The data portion forms a complete image by combining the data unit, and has a terminator for indicating the termination of the complete image at the end of the data portion. The file generation unit forms the data portion according to a specific command, and generates/stores a computer image file based on the data portion. The data processing unit processes direction indication according to vector information of the image file generated by the file generation unit and forms an image based on the direction indication process. The system can reduce the size of image data to be stored in a computer's storage memory, such as the main memory and a storage disk, image processing speed can be enhanced and data communication time can be shortened.
    • 公开了一种使用向量像素的图像处理系统。 该系统包括具有1字节的矢量像素,数据单元结构,数据部分,文件生成单元和数据处理单元。 具有1个字节的矢量像素被配置为使得在低4位中存在矢量信息部分,并且8个向量,上,下,左,右,左上,右上,右下, 相对于X轴和Y轴的左右矢量被存储。 数据单元结构通过组合矢量像素形成部分图像,并且具有用于指示数据单元结构结束时的部分图像的边界的边界指示符。 数据部分通过组合数据单元形成完整的图像,并且具有用于指示在数据部分的末尾终止完整图像的终止符。 文件生成单元根据特定命令形成数据部分,并且基于数据部分生成/存储计算机图像文件。 数据处理单元根据由文件生成单元生成的图像文件的向量信息来处理方向指示,并根据方向指示处理形成图像。 该系统可以减小要存储在计算机的存储存储器(如主存储器和存储盘)中的图像数据的大小,可以提高图像处理速度并且可以缩短数据通信时间。
    • 70. 发明授权
    • Method of producing hardmetal-bonded metal component
    • 生产硬质合金金属成分的方法
    • US06756009B2
    • 2004-06-29
    • US10321593
    • 2002-12-18
    • Dong Sub SimKyung Woon KimKeun Chul SongJung Hwan Cho
    • Dong Sub SimKyung Woon KimKeun Chul SongJung Hwan Cho
    • B22F704
    • C23C26/00
    • A method is provided of producing a hardmetal-bonded metal component with an enhanced bond strength. The method comprises the steps of providing an iron-based metal body, mixing and compressing raw material powder of hardmetal and binder powder containing nickel, silicon and boron into a preform, heating and sintering the preform, and applying heat to the sintered body and the iron-based metal body under a state that the sintered body is brought into contact with the iron-based metal body, to thereby cause the sintered body to be bonded to the iron-based metal body. The sintered body and the iron-based metal body are thermally treated at a temperature of 1,000 to 1,200° C. for 30 or more minutes so that boron present in the sintered body is infiltrated into grain boundaries of the iron-based metal body to form a plurality of boride spikes in a bonding interface.
    • 提供了一种生产具有增强的粘结强度的硬金属粘合的金属组分的方法。 该方法包括以下步骤:提供铁基金属体,将含有镍,硅和硼的硬质合金和粘合剂粉末的原料粉末混合并压缩到预成型体中,加热和烧结预成型体,并向烧结体施加热量, 铁基金属体在烧结体与铁基金属体接触的状态下,从而使烧结体与铁基金属体接合。 将烧结体和铁基金属体在1000〜1200℃的温度下热处理30分钟以上,使烧结体中存在的硼渗入铁基金属体的晶界,形成 在接合界面中的多个硼化物尖峰。