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    AC LED LUMINESCENT APPARATUS
    3.
    发明申请
    AC LED LUMINESCENT APPARATUS 审中-公开
    交流LED发光装置

    公开(公告)号：WO2016093422A1

    公开(公告)日：2016-06-16

    申请号：PCT/KR2015/000618

    申请日：2015-01-21

    Applicant: POSCO LED COMPANY LTD.

    Inventor： YANG, Hwi Seok ,  KIM, Dong Hee ,  KANG, Eun Hye ,  KIM, Dae Won ,  YOON, Seong Bok

    IPC: H05B37/02 ,  H05B33/08

    CPC classification number: H05B33/083 ,  H01L25/0753

    Abstract: An alternating current (AC) light emitting diode (LED) luminescent apparatus includes: a substrate including a light emitting surface; a plurality of LEDs disposed on the light emitting surface, the plurality of LEDs being divided into "m" light emitting groups, "m" being a positive integer greater than 2; and an LED driving integrated circuit (IC) disposed on the substrate, the LED driving IC being configured to sequentially drive the LEDs in a first light emitting group to the m th lighting group in accordance with a voltage level of a rectified voltage. The substrate is divided into a plurality of regions, each region including a plurality of light emitting segments, each light emitting segment including LEDs of at least two of the plurality of light emitting groups. An average current of LEDs disposed in each region is substantially equivalent to an average current of LEDs disposed in an adjacent region.

    Abstract translation: 交流（AC）发光二极管（LED）发光装置包括：基板，包括发光面; 布置在发光表面上的多个LED，多个LED被分成“m”个发光基团，“m”是大于2的正整数; 以及配置在基板上的LED驱动集成电路（IC），所述LED驱动IC被配置为根据整流电压的电压顺序地将第一发光组中的LED驱动到第m个发光组。 衬底被分成多个区域，每个区域包括多个发光区段，每个发光区段包括多个发光组中的至少两个的LED。 设置在每个区域中的LED的平均电流基本上等于设置在相邻区域中的LED的平均电流。

    LED LIGHTING APPARATUS WITH IMPROVED TOTAL HARMONIC DISTORTION IN SOURCE CURRENT
    4.
    发明申请
    LED LIGHTING APPARATUS WITH IMPROVED TOTAL HARMONIC DISTORTION IN SOURCE CURRENT 审中-公开
    LED照明设备在源电流中改善总谐波失真

    公开(公告)号：WO2014098303A1

    公开(公告)日：2014-06-26

    申请号：PCT/KR2012/011849

    申请日：2012-12-31

    Applicant: POSCO LED COMPANY LTD.

    Inventor： YOON, Seong Bok ,  KIM, Dae Won ,  KIM, Jung Hwa

    IPC: H05B37/02

    CPC classification number: H05B33/0842 ,  H05B33/0824

    Abstract: The LED lighting apparatus includes: a rectification block; an LED block including a first light emitting group and a second light emitting group; a charging/discharging block configured to charge electric charges in a charging period, and discharge electric charges in a discharging period; a driving control unit configured to determine a voltage level of a rectified voltage, controls a path selection switch to connect the rectification block to the LED block and controls the charging/discharging block to charge electric charges in the charging period, and controls the path selection switch to connect the rectification block to a ground and controls the charging/discharging block to discharge electric charges from the charging/discharging block to the LED block in the discharging period; and a path selection switch configured to connect the rectification block to the LED block in the charging period, and connect the rectification block to the ground in the discharging period.

    Abstract translation: LED照明装置包括：整流块; 包括第一发光组和第二发光组的LED块; 充电/放电模块，其被配置为在充电期间对电荷充电，并且在放电期间放电电荷; 驱动控制单元，被配置为确定整流电压的电压电平，控制路径选择开关以将整流块连接到LED块，并且控制充电/放电块在充电期间对电荷充电，并且控制路径选择 开关将整流块连接到地，并控制充放电块在放电期间将充电/放电块的电荷向LED块放电; 以及路径选择开关，被配置为在充电期间将整流块连接到LED块，并且在放电期间将整流块连接到地。

    AN AC LED LUMINESCENT APPARATUS AND A DRIVING METHOD THEREOF
    6.
    发明申请
    AN AC LED LUMINESCENT APPARATUS AND A DRIVING METHOD THEREOF 审中-公开
    一种交流LED发光装置及其驱动方法

    公开(公告)号：WO2016093421A1

    公开(公告)日：2016-06-16

    申请号：PCT/KR2015/000564

    申请日：2015-01-20

    Applicant: POSCO LED COMPANY LTD.

    Inventor： KIM, Dae Won ,  YOON, Seong Bok

    IPC: H05B37/02

    CPC classification number: H05B33/083

    Abstract: An alternating current (AC) light emitting diode (LED) luminescent apparatus includes: a rectification unit configured to: receive an AC input; and output, via full-wave rectification, a rectified voltage; light emitting groups configured to sequentially receive the rectified voltage in associated with corresponding emission periods; light emitting group driving units configured to respectively control current applied to the light emitting groups; and an LED driving integrated circuit configured to sequentially operate the light emitting groups based on voltage levels of the rectified voltage. Each emission period includes: a first portion associated with a constant current level; and a second portion associated with a higher current level than the constant level, the second portion occurring before the first portion.

    Abstract translation: 交流（AC）发光二极管（LED）发光装置包括：整流单元，被配置为：接收AC输入; 并通过全波整流输出整流电压; 配置成顺序地接收与相应的发射周期相关联的整流电压的发光组; 被配置为分别控制施加到发光组的电流的发光组驱动单元; 以及LED驱动集成电路，被配置为基于整流电压的电压电平依次操作发光组。 每个发射周期包括：与恒定电流电平相关联的第一部分; 和与恒定电平相比较高电流水平的第二部分，第二部分发生在第一部分之前。

    LIGHT EMITTING DIODE AND METHOD FOR MANUFACTURING THE SAME
    8.
    发明申请
    LIGHT EMITTING DIODE AND METHOD FOR MANUFACTURING THE SAME 审中-公开
    发光二极管及其制造方法

    公开(公告)号：WO2014042371A1

    公开(公告)日：2014-03-20

    申请号：PCT/KR2013/007760

    申请日：2013-08-29

    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION ,  SEOUL VIOSYS CO., LTD. ,  POSCO LED COMPANY LTD.

    Inventor： LEE, Jong Lam ,  KIM, Ki Soo ,  KIM, Buem Joon ,  KIM, Kyeong Jun

    IPC: H01L33/20 ,  H01L33/22

    CPC classification number: H01L33/44 ,  H01L2933/0091

    Abstract: Disclosed is a light emitting diode (LED). The LED includes a transparent substrate having a first surface and a second surface; a GaN-based semiconductor-laminated structure including a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer and formed on the first surface of the transparent substrate; and a refractive index control layer formed on the second surface of the transparent substrate and having a pattern on a lower surface thereof. With the refractive index control layer, loss of light generated in a lower surface of the transparent substrate can be reduced to improve light extraction efficiency.

    Abstract translation: 公开了一种发光二极管（LED）。 LED包括具有第一表面和第二表面的透明基板; 包括第一导电半导体层，有源层和第二导电半导体层并形成在透明基板的第一表面上的GaN基半导体层叠结构; 以及形成在所述透明基板的第二表面上并且在其下表面上具有图案的折射率控制层。 利用折射率控制层，可以减少在透明基板的下表面中产生的光的损失，以提高光提取效率。

    交流發光二極體點燈裝置以及發光二極體驅動控制單元
    10.
    发明专利
    交流發光二極體點燈裝置以及發光二極體驅動控制單元 失效
    交流发光二极管点灯设备以及发光二极管驱动控制单元

    公开(公告)号：TW201429306A

    公开(公告)日：2014-07-16

    申请号：TW102120221

    申请日：2013-06-07

    Applicant: POSCO LED股份有限公司 ,  POSCO LED COMPANY LTD.

    Inventor： 尹聖復 ,  YOON, SEONG BOK ,  金大原 ,  KIM, DAE WON ,  金宗範 ,  KIM, JONG BUM

    IPC: H05B33/08

    CPC classification number: H05B33/083 ,  H05B33/0806 ,  H05B33/0824 ,  H05B33/0887 ,  H05B37/02

    Abstract: 提供一種使用電壓邊緣偵測器的交流發光二極體(AC LED)點燈裝置。AC LED點燈裝置包含：整流單元，經組態以對交流電壓進行整流以輸出直流已整電壓；發光二極體(LED)單元，包含第一發光群組以及第二發光群組，第一發光群組以及第二發光群組各自包含至少一個LED；以及LED驅動控制單元，經組態以藉由比較自整流單元輸入的已整電壓的電壓位準與參考電壓來控制第一發光群組與第二發光群組之間的串聯/並聯連接關係。LED驅動控制單元藉由偵測已整電壓的斜率以及同時偵測已整電壓的電壓位準以及已整電壓的所偵測的斜率來設定參考電壓。

    Abstract in simplified Chinese: 提供一种使用电压边缘侦测器的交流发光二极管(AC LED)点灯设备。AC LED点灯设备包含：整流单元，经组态以对交流电压进行整流以输出直流已整电压；发光二极管(LED)单元，包含第一发光群组以及第二发光群组，第一发光群组以及第二发光群组各自包含至少一个LED；以及LED驱动控制单元，经组态以借由比较自整流单元输入的已整电压的电压位准与参考电压来控制第一发光群组与第二发光群组之间的串联/并联连接关系。LED驱动控制单元借由侦测已整电压的斜率以及同时侦测已整电压的电压位准以及已整电压的所侦测的斜率来设置参考电压。

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