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    • 1. 发明授权
    • Light unit
    • 灯单位
    • US09121981B2
    • 2015-09-01
    • US13884565
    • 2011-07-15
    • Jong Sun KimSang Jun ParkKyoung Soo AhnKyoung Jong YooYong In Lee
    • Jong Sun KimSang Jun ParkKyoung Soo AhnKyoung Jong YooYong In Lee
    • F21V7/04F21V8/00G02F1/1335
    • G02B6/0036G02B6/0021G02B6/0038G02B6/0061G02F1/133603G02F1/133606G02F2001/133607
    • The present invention provides a light unit, comprising a printed circuit board equipped with a plurality of LEDs; and a light guide member equipped with mounting grooves to house the LEDs. It is preferred that the light guide member comprises one surface and another surface facing the one surface; a first density pattern area and a second density pattern area having higher density than that of the first density pattern area are formed in the one surface; and the second density pattern is disposed in an area closer to the light emitting surface of the LED than the first density pattern area.According to the present invention, hot spots can be removed by forming high density optical patterns on the upper surface of a light guide member and diffusing the light of LEDs; meanwhile, the transmission range of light can be extended and light extraction efficiency can be improved by disposing low density optical patterns in adjacent areas.
    • 本发明提供了一种灯单元,包括配备有多个LED的印刷电路板; 以及配备有用于容纳LED的安装槽的导光部件。 优选的是,导光构件包括一个表面和面向一个表面的另一个表面; 在一个表面上形成具有比第一密度图案区域的密度高的第一密度图案区域和第二密度图案区域; 并且第二浓度图案设置在比第一密度图案区域更靠近LED的发光表面的区域中。 根据本发明,可以通过在导光构件的上表面上形成高密度光学图案并扩散LED的光来去除热点; 同时,通过在邻近区域设置低密度光学图案,可以延长光的透射范围,提高光提取效率。
    • 2. 发明申请
    • LIGHT UNIT
    • 光单元
    • US20130223096A1
    • 2013-08-29
    • US13884565
    • 2011-07-15
    • Jong Sun KimSang Jun ParkKyoung Soo AhnKyoung Jong YooYong In Lee
    • Jong Sun KimSang Jun ParkKyoung Soo AhnKyoung Jong YooYong In Lee
    • F21V8/00
    • G02B6/0036G02B6/0021G02B6/0038G02B6/0061G02F1/133603G02F1/133606G02F2001/133607
    • The present invention provides a light unit, comprising a printed circuit board equipped with a plurality of LEDs; and a light guide member equipped with mounting grooves to house the LEDs. It is preferred that the light guide member comprises one surface and another surface facing the one surface; a first density pattern area and a second density pattern area having higher density than that of the first density pattern area are formed in the one surface; and the second density pattern is disposed in an area closer to the light emitting surface of the LED than the first density pattern area.According to the present invention, hot spots can be removed by forming high density optical patterns on the upper surface of a light guide member and diffusing the light of LEDs; meanwhile, the transmission range of light can be extended and light extraction efficiency can be improved by disposing low density optical patterns in adjacent areas.
    • 本发明提供了一种灯单元,包括配备有多个LED的印刷电路板; 以及配备有用于容纳LED的安装槽的导光部件。 优选的是,导光构件包括一个表面和面向一个表面的另一个表面; 在一个表面上形成具有比第一密度图案区域的密度高的第一密度图案区域和第二密度图案区域; 并且第二浓度图案设置在比第一密度图案区域更靠近LED的发光表面的区域中。 根据本发明,通过在导光构件的上表面上形成高密度光学图案并使LED的光扩散,可以去除热点; 同时,通过在邻近区域设置低密度光学图案,可以延长光的透射范围,提高光提取效率。
    • 10. 发明授权
    • Unpowered apparatus for preventing backflow
    • 用于防止回流的无动力装置
    • US08939169B2
    • 2015-01-27
    • US13519026
    • 2010-12-23
    • Jong Sun Kim
    • Jong Sun Kim
    • F16K15/03E03F7/04F16K31/22
    • F16K15/03E03F7/04F16K31/22Y10T137/7358Y10T137/7898
    • The present invention relates to an unpowered apparatus for preventing backflow, comprising: a tubular main body having a stepped portion, wherein the main body has an inlet port for the inflow of sewage, an outlet port for discharging the sewage, and a communication port which is inclined toward the outlet port and which puts the inlet port and the outlet port in communication; an opening/shutting door having a door body rotatably hinged to the inside of the main body so as to open/shut the communication port, and a pair of blocking plates extending from either side of the door body so as to block the space between the stepped portion and an inner wall of the main body; a floating part which is arranged in the opening/shutting door, the interior of which is empty such that the floating part can float on a water surface, and which provides the opening/shutting door with buoyancy and operates the opening/shutting door so as to close the communication port when the sewage flows back toward the outlet port; and a guide interposed between the stepped portion and a bottom surface of the main body so as to guide the sewage introduced from the inlet port such that the sewage flows toward the outlet port via the communication port.
    • 本发明涉及一种用于防止回流的无动力装置,包括:具有台阶部分的管状主体,其中主体具有用于污水流入的入口,用于排放污水的出口和连通口, 朝向出口倾斜,入口和出口连通; 打开/关闭门,其具有可旋转地铰接到主体内部的门体,以便打开/关闭连通口;以及一对阻挡板,其从门体的任一侧延伸,以阻挡 台阶部分和主体的内壁; 布置在打开/关闭门中的浮动部分,其内部是空的,使得浮动部分可以浮在水面上,并且为打开/关闭门提供浮力并操作打开/关闭门,以便 当污水向出口流回时关闭通信口; 以及插入在主体的阶梯部和底面之间的引导件,以引导从入口导入的污水,使得污水经由连通口流向出口。