利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

423 条记录 (耗时 0.023 秒)

    LIGHT-EMITTING DIODE AND LIGHT-EMITTING ELEMENT HAVING SAME
    1.
    发明公开
    LIGHT-EMITTING DIODE AND LIGHT-EMITTING ELEMENT HAVING SAME 审中-公开

    公开(公告)号：EP4447134A1

    公开(公告)日：2024-10-16

    申请号：EP22904715.4

    申请日：2022-12-09

    申请人： Seoul Viosys Co., Ltd.

    发明人： BAEK, Yong Hyun ,  MIN, Dae Hong ,  KANG, Ji Hun

    IPC分类号： H01L33/08 ,  H01L33/02 ,  H01L33/12 ,  H01L33/32 ,  H01L33/06 ,  H01L33/48 ,  H01L33/60

    摘要： A light-emitting diode according to one embodiment of the present disclosure comprises: a first conductive nitride semiconductor layer; a V-pit generation layer which is positioned on the n-type nitride semiconductor layer and has V-pits; a lower active layer positioned on the V-pit generation layer; an upper active layer arranged on the lower active layer; an intermediate layer arranged between the lower active layer and the upper active layer; and a second conductive nitride semiconductor layer arranged on the upper active layer, wherein the lower active layer and the upper active layer emit light having different peak wavelengths from each other.

    TUNABLE LED FILAMENT
    5.
    发明公开
    TUNABLE LED FILAMENT 审中-公开

    公开(公告)号：EP4270498A3

    公开(公告)日：2023-12-27

    申请号：EP23186332.5

    申请日：2021-02-26

    申请人： Signify Holding B.V.

    发明人： VAN BOMMEL, Ties ,  HIKMET, Rifat, Ata, Mustafa ,  ANSEMS, Johannes, Petrus, Maria

    IPC分类号： F21K9/232 ,  F21V3/04 ,  H01L25/075 ,  F21Y115/10 ,  F21Y113/13 ,  F21Y103/10 ,  F21Y109/00 ,  H01L33/02 ,  H01L33/54

    摘要： The present invention relates to a color tunable and/or color temperature tunable LED filament (20, 22, 24), said LED filament comprising an elongated carrier (220), said elongated carrier comprising a first major surface (222) and a second major surface (224) arranged opposite to said first major surface, a plurality of LEDs (210) arranged in at least one linear array on said first surface of said elongated carrier, wherein the plurality of LEDs includes LEDs of different colors and/or different color temperatures, a first elongated transparent or substantially transparent layer (230) covering the plurality of LEDs on the first major surface and also at least partly covering said first major surface, and a first elongated light scattering layer (240), arranged to at least partially cover said first transparent or substantially transparent layer.