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    • 1. 发明公开
    • DRIVE CIRCUIT FOR LED MODULE
    • TREIBERSCHALTUNGFÜRLED-MODUL
    • EP2879469A1
    • 2015-06-03
    • EP12881928.1
    • 2012-09-26
    • Shanghai Yaming Lighting Co., Ltd.
    • XU, XiaoliangLI, BaoquanLUDO, CarnotensisSJEF, de Krijger
    • H05B37/02F21V23/00
    • H05B33/0827F21V23/0457H05B33/0815H05B33/0824H05B33/083Y02B20/346
    • The present invention relates to a drive circuit of an light-emitting diode (LED) module, which includes: an LED array including a plurality of parallel groups connected in series; a power supply module for converting an external power supply into a 12V-75V forward voltage that drives each LED in the LED array; and a control module for controlling different gating switches to perform a conduction or cutoff operation according to a detected input voltage. The solution in accordance with the present invention can provide regular AC power for the LED array, without the need of providing an electrolytic capacitor. The present invention further overcomes design defects of a DC solution, optimizes the performance of a bulb, and reduces a manufacturing cost of the bulb. Compared with other lighting technologies, the AC solution reduces a total arrangement cost of the LED.
    • 本发明涉及一种发光二极管(LED)模块的驱动电路,其包括:串联连接的多个并联组的LED阵列; 用于将外部电源转换为驱动LED阵列中的每个LED的12V-75V正向电压的电源模块; 以及控制模块,用于控制不同的门控开关,以根据检测到的输入电压进行导通或截止操作。 根据本发明的解决方案可以为LED阵列提供常规的AC电力,而不需要提供电解电容器。 本发明还克服了DC解决方案的设计缺陷,优化了灯泡的性能,并降低了灯泡的制造成本。 与其他照明技术相比,AC解决方案降低了LED整体布置成本。
    • 4. 发明公开
    • REPLACEABLE BRACKET LAMP TUBE AND LAMP HEAD COVER
    • 雪梨麻雀麻醉师
    • EP2623858A1
    • 2013-08-07
    • EP10857730.5
    • 2010-11-26
    • Shanghai Yaming Lighting Co., Ltd.
    • XU, Xiaoliang
    • F21V23/04F21V21/002
    • F21V23/06F21K9/272F21V25/04H01H13/32H01R33/96
    • A bracket lamp tube and a lamp head cover thereon are provided. The lamp head cover comprises a cover body (2) and a metallic needle (1) penetrating the cover body (2). The front end of the metallic needle (1) extends out of the outside of the cover body (2). The rear end of the metallic needle (1)is located inside the cover body (2) and is fixedly connected to a first metallic contact plate (3). A second metallic contact plate (5) separated from the first metallic contact plate (3) is provided inside the cover body (2). A third metallic contact plate (6) is provided between the first and the second metallic contact plates (3, 5) and is connected to a touch button (4). The touch button (4) is exposed outside the cover body (2). The first and the second metallic contact plates (3, 5) are electrically connected by the third metallic contact plate (6) as the touch button (4) is pressed. The metallic needle (1) and an internal ballast are disconnected when the lamp head cover is not connected to the lamp, and the L and the N poles of the ballast are connected for power supply by using the connection of the first and the second metallic contact plates (3, 5) when the lamp head cover is installed to a lamp socket.
    • 提供支架灯管和灯头盖。 灯头盖包括盖主体(2)和穿透盖主体(2)的金属针(1)。 金属针(1)的前端从盖主体(2)的外部延伸出来。 金属针(1)的后端位于盖主体(2)的内部并且固定地连接到第一金属接触板(3)。 与第一金属接触板(3)分离的第二金属接触板(5)设置在盖体(2)的内部。 第三金属接触板(6)设置在第一和第二金属接触板(3,5)之间,并连接到触摸按钮(4)。 触摸按钮(4)暴露在盖体(2)的外部。 当触摸按钮(4)被按压时,第一和第二金属接触板(3,5)由第三金属接触板(6)电连接。 当灯头盖未连接到灯时,金属针(1)和内部镇流器断开,并且通过使用第一和第二金属的连接将镇流器的L和N极连接用于供电 当灯头盖安装到灯座时,接触板(3,5)。