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    • 5. 发明申请
    • AC DRIVEN LIGHT EMITTING DEVICE
    • 交流驱动发光装置
    • US20120043896A1
    • 2012-02-23
    • US13215619
    • 2011-08-23
    • Young Jin LEEHyung Kun KimKyung Mi Moon
    • Young Jin LEEHyung Kun KimKyung Mi Moon
    • H05B37/02
    • H05B33/0821H05B33/0806
    • There is provided an alternating current (AC) driven light emitting device including a plurality of LED arrays connected in series, each having a structure in which a plurality of LEDs are electrically connected to form a two-terminal circuit and emit light by a bidirectional voltage when an AC voltage is applied to the two-terminal circuit; and a switching device connected to at least one of the plurality of LED arrays and controlling a total driving voltage with respect to the plurality of LED arrays. The AC driven light emitting device permits operation from a low driving voltage Vf while having a high driving voltage at a high voltage Vf, thereby achieving excellence in terms of power factor, THD, and energy efficiency.
    • 提供了一种包括串联连接的多个LED阵列的交流(AC)驱动的发光器件,每个LED阵列具有多个LED电连接以形成两端电路并通过双向电压发光的结构 当对两端电路施加交流电压时; 以及连接到所述多个LED阵列中的至少一个并且控制相对于所述多个LED阵列的总驱动电压的开关装置。 交流驱动发光器件允许从低驱动电压Vf进行操作,同时具有高电压Vf的高驱动电压,从而在功率因数,THD和能量效率方面实现卓越。
    • 7. 发明授权
    • Light emitting diode package
    • 发光二极管封装
    • US07973328B2
    • 2011-07-05
    • US12204095
    • 2008-09-04
    • Hyung Kun Kim
    • Hyung Kun Kim
    • H01L33/00
    • H01L33/505H01L33/60H01L2224/48091H01L2224/48247H01L2924/00014
    • There is provided a light emitting diode (LED) package in which a phosphor layer encapsulating an LED chip is formed uniformly to facilitate a process. The LED package includes: a package body having a mounting area; a holding part mounted on the mounting area to expose a portion of the mounting area; an LED chip mounted on the mounting area, the LED chip surrounded by the holding part to emit light; and a phosphor layer held by the holding part to seal a space defined by the holding part, the phosphor layer converting a wavelength of the light from the LED chip.
    • 提供了一种发光二极管(LED)封装,其中均匀地形成封装LED芯片的荧光体层以便于处理。 LED封装包括:具有安装区域的封装体; 保持部,安装在所述安装区域上,以暴露所述安装区域的一部分; 安装在安装区域上的LED芯片,由保持部分包围的LED芯片发光; 以及由所述保持部保持的荧光体层,以密封由所述保持部限定的空间,所述荧光体层转换来自所述LED芯片的光的波长。
    • 9. 发明申请
    • LED DRIVING CIRCUIT AND LIGHT EMITTING DIODE ARRAY DEVICE
    • LED驱动电路和发光二极管阵列器件
    • US20090322248A1
    • 2009-12-31
    • US12262801
    • 2008-10-31
    • Young Jin LEEJoong Kon SONHyung Kun KIMJung Ja YANGGrigory ONUSHKIN
    • Young Jin LEEJoong Kon SONHyung Kun KIMJung Ja YANGGrigory ONUSHKIN
    • H05B41/36
    • H05B33/0821
    • There is provided an LED driving circuit. The LED driving circuit according to an aspect of the invention may include: at least one ladder circuit including: (n−1) number (here, n is a positive integer satisfying n≧2) of first branches provided between first and second junction points, and connected in-line with each other by n number of first middle junction points, (n−1) number of second branches arranged in parallel with the first branches, and connected in-line with each other by n number of second middle junction points between the first and second junction points, and n number of middle branches connecting m-th first and second middle junction points to each other, wherein at least one LED device is disposed on each of the first, second, and middle branches. Here, the number of LED devices included in each of the first and second branches is greater than the number of LED devices included in each of the middle branches.
    • 提供了LED驱动电路。 根据本发明的一个方面的LED驱动电路可以包括:至少一个梯形电路,包括:设置在第一和第二结之间的第一分支的(n-1)个数(这里,n是满足n> = 2的正整数) 点,并且通过n个第一中间连接点彼此并排连接,(n-1)个与第一分支平行布置的第二分支,并且彼此连接成n个第二中间 第一和第二接合点之间的接合点以及将第m个第一和第二中间接合点彼此连接的n个中间分支,其中至少一个LED器件设置在第一,第二和中间分支中的每一个上。 这里,包括在第一和第二分支中的每个中的LED装置的数量大于包括在每个中间分支中的LED装置的数量。