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    • 1. 发明申请
    • PROJECTION DISPLAY DEVICE
    • 投影显示设备
    • US20130076995A1
    • 2013-03-28
    • US13703198
    • 2010-12-15
    • Cheng HuangLei ZhangDeming Tang
    • Cheng HuangLei ZhangDeming Tang
    • G03B21/20G02B27/26G02F1/13
    • G03B21/2073G02B27/26G02B27/283G02F1/1313G03B21/14H04N9/3167H04N9/3197H04N13/337H04N13/346H04N13/363
    • A projection display device includes a first display panel (23a), a second display panel (23b), a PBS (Polarization Beam Splitter) (22) with a first surface (22a) and a second surface (22b) opposite each other, a light recycling device (25a, 25b and 23b), and a projection lens (24). The PBS (22) transmits a first type parallel polarized light and reflects a second type parallel polarized light. The light recycling device (25a, 25b and 23b) transforms the first type parallel polarized light transmitted by the PBS (22) into the second type parallel polarized light which carries a second image information, then reversely transmits the second type parallel polarized light to the second surface (22b) of the PBS (22).The projection display device improves the light utilization efficiency and can be used for 3D display.
    • 投影显示装置包括第一显示面板(23a),第二显示面板(23b),具有第一表面(22a)的PBS(极化分束器)(22)和彼此相对的第二表面(22b) 光回收装置(25a,25b和23b)和投影透镜(24)。 PBS(22)透射第一类型的平行偏振光并反射第二类型的平行偏振光。 光回收装置(25a,25b和23b)将由PBS(22)透射的第一类型的平行偏振光变换为携带第二图像信息的第二类型的平行偏振光,然后将第二类型的平行偏振光反向传输到 PBS(22)的第二表面(22b)。投影显示装置提高了光利用效率,可用于3D显示。
    • 2. 发明授权
    • Projection display device
    • 投影显示设备
    • US08982289B2
    • 2015-03-17
    • US13703198
    • 2010-12-15
    • Cheng HuangLei ZhangDeming Tang
    • Cheng HuangLei ZhangDeming Tang
    • G02F1/1335G03B21/20G02B27/26G02B27/28G03B21/14H04N9/31H04N13/04G02F1/13
    • G03B21/2073G02B27/26G02B27/283G02F1/1313G03B21/14H04N9/3167H04N9/3197H04N13/337H04N13/346H04N13/363
    • A projection display device includes a first display panel (23a), a second display panel (23b), a PBS (Polarization Beam Splitter) (22) with a first surface (22a) and a second surface (22b) opposite each other, a light recycling device (25a, 25b and 23b), and a projection lens (24). The PBS (22) transmits a first type parallel polarized light and reflects a second type parallel polarized light. The light recycling device (25a, 25b and 23b) transforms the first type parallel polarized light transmitted by the PBS (22) into the second type parallel polarized light which carries a second image information, then reversely transmits the second type parallel polarized light to the second surface (22b) of the PBS (22). The projection display device improves the light utilization efficiency and can be used for 3D display.
    • 投影显示装置包括第一显示面板(23a),第二显示面板(23b),具有第一表面(22a)的PBS(极化分束器)(22)和彼此相对的第二表面(22b) 光回收装置(25a,25b和23b)和投影透镜(24)。 PBS(22)透射第一类型的平行偏振光并反射第二类型的平行偏振光。 光回收装置(25a,25b和23b)将由PBS(22)透射的第一类型的平行偏振光变换为携带第二图像信息的第二类型的平行偏振光,然后将第二类型的平行偏振光反向传输到 PBS(22)的第二表面(22b)。 投影显示装置提高光的利用效率,可以用于3D显示。
    • 3. 发明申请
    • CHARGE PUMP
    • 电荷泵
    • US20110241766A1
    • 2011-10-06
    • US12846415
    • 2010-07-29
    • Lei ZhangDeming Tang
    • Lei ZhangDeming Tang
    • G05F3/02
    • H02M3/07
    • A charge pump includes a first voltage input node, a second voltage input node, a voltage output node, at least a flying capacitor, an energy reserve capacitor, a first MEMS switches group controlled by a controlling signal, a second MEMS switches group controlled by the controlling signal, a third MEMS switches group controlled by the controlling signal and a forth MEMS switches group controlled by the controlling signal. The flying capacitor is connected with the first voltage input node and the second voltage input node via the first MEMS switches group. The flying capacitor is connected with the first voltage input node or the second voltage input node via the second MEMS switches group. The energy reserve capacitor is connected with the flying capacitor via the third MEMS switches group. The energy reserve capacitor is connected with the voltage output node and the second voltage input node. When a clock controls the first MEMS switches group to turn on, and the second MEMS switches group and the third MEMS switches group to turn off, the flying capacitor is charged up through the first voltage input node and the second voltage input node. When the clock controls the first MEMS switches group to turn off, and the second MEMS switches group and the third MEMS switches group to turn on, the energy reserve capacitor is charged up through the flying capacitor and the second voltage input node. Through MEMS technology, miniaturization and integration of the charge pump are achieved, and power consumption is reduced, and energy conversion efficiency is improved.
    • 电荷泵包括第一电压输入节点,第二电压输入节点,电压输出节点,至少飞跨电容器,能量储备电容器,由控制信号控制的第一MEMS开关组,第二MEMS开关组由第 控制信号,由控制信号控制的第三MEMS开关组和由控制信号控制的第四MEMS开关组。 飞跨电容器经由第一MEMS开关组与第一电压输入节点和第二电压输入节点连接。 飞跨电容器经由第二MEMS开关组与第一电压输入节点或第二电压输入节点连接。 储能电容器通过第三个MEMS开关组与飞跨电容器连接。 储能电容器与电压输出节点和第二电压输入节点相连。 当时钟控制第一MEMS开关组导通时,第二MEMS开关组和第三MEMS开关分组关闭,飞跨电容器通过第一电压输入节点和第二电压输入节点充电。 当时钟控制第一MEMS开关组关闭时,第二个MEMS开关组和第三个MEMS开关组导通,储能电容器通过飞跨电容器和第二电压输入节点充电。 通过MEMS技术,实现了电荷泵的小型化和集成化,降低了功耗,提高了能量转换效率。
    • 5. 外观设计
    • Flashlight
    • USD998204S1
    • 2023-09-05
    • US29850953
    • 2022-08-24
    • Lei Zhang
    • Lei Zhang
    • FIG. 1 is a front and top perspective view of a flashlight, showing my new design;
      FIG. 2 is a right side elevation view thereof;
      FIG. 3 is a left side elevation view thereof;
      FIG. 4 is a front elevation view thereof;
      FIG. 5 is a rear elevation view thereof;
      FIG. 6 is a top plan view thereof;
      FIG. 7 is a bottom plan view thereof;
      FIG. 8 is an enlarged perspective view of detail “8” identified in FIG. 1; and,
      FIG. 9 is an enlarged rear elevation view of detail “9” identified in FIG. 5.
      The dashed broken lines in the drawings illustrate portions of the article and form no part of the claimed design. The dash-dot-dash broken lines in FIGS. 1, 5, 8, and 9 are for the purpose of depicting the enlarged views and form no part of the claimed design.
    • 9. 发明授权
    • Emergency starting device and emergency starting method
    • US10174736B2
    • 2019-01-08
    • US14443021
    • 2015-05-07
    • Lei Zhang
    • Lei Zhang
    • H02J7/00F02N11/14H02J7/34F02N11/08F02N11/12
    • The present invention provides an emergency starting device, including a first output end and a second output end, wherein the first output end is used for being connected to a positive electrode of an accumulator battery in an engine starting system and the second output end is used for being connected to a negative electrode of the accumulator battery; the device includes a super-capacitor, a controller and a DC-DC booster circuit, wherein the controller receives first electrical signal from the accumulator battery and electrically connects the super-capacitor and the accumulator battery to start the engine with energy stored in the super-capacitor when the first electrical signal changes suddenly, the DC-DC booster circuit increases the output voltage of the accumulator battery to charge the super-capacitor. The invention further provides an emergency starting method accordingly. By using the super-capacitor, the controller and the DC-DC booster circuit the invention fits in various severe environments and can start an engine in emergency permanently and effectively.