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    • 6. 发明申请
    • Power surface mount light emitting die package
    • 功率表面贴装发光管芯封装
    • US20070138497A1
    • 2007-06-21
    • US11703721
    • 2007-02-08
    • Ban Loh
    • Ban Loh
    • H01L33/00
    • H01L33/58H01L33/54H01L33/641H01L2924/0002Y10S362/80H01L2924/00
    • A light emitting die package includes a substrate, a reflector plate, and a lens. The substrate has traces for connecting an external electrical power source to a light emitting diode (LED) at a mounting pad. The reflector plate is coupled to the substrate and substantially surrounds the mounting pad, and includes a reflective surface to direct light from the LED in a desired direction. The lens is free to move relative to the reflector plate and is capable of being raised or lowered by the encapsulant that wets and adheres to it and is placed at an optimal distance from the LED chip(s). Heat generated by the LED during operation is drawn away from the LED by both the substrate (acting as a bottom heat sink) and the reflector plate (acting as a top heat sink).
    • 发光管芯封装包括基板,反射板和透镜。 衬底具有用于将外部电源连接到安装衬垫上的发光二极管(LED)的迹线。 反射板耦合到基板并且基本上围绕安装焊盘,并且包括反射表面以在期望的方向上引导来自LED的光。 透镜相对于反射板自由移动,并且能够被润湿并粘附到其上的密封剂升高或降低,并且被放置在距离LED芯片最佳距离处。 在操作期间由LED产生的热量通过基板(作为底部散热器)和反射板(作为顶部散热器)两者而被从LED引出。
    • 9. 发明申请
    • Method for coating semiconductor device using droplet deposition
    • 使用液滴沉积涂覆半导体器件的方法
    • US20070161135A1
    • 2007-07-12
    • US11328887
    • 2006-01-09
    • Bernd KellerBan Loh
    • Bernd KellerBan Loh
    • H01L21/00
    • B41J3/407H01L21/6715H01L33/505H01L2224/48463H01L2224/73265H01L2224/8592H01L2933/0041
    • Methods and systems for coating of semiconductor devices using droplets of wavelength conversion or phosphor particles in a liquid medium. A plurality of nozzles delivers a controlled amount of the matrix material to the surface of the semiconductor device, with each of said nozzles having an opening for the matrix material to pass. The opening has a diameter wherein the diameter of the phosphor particles is less than or approximately equal to one half the diameter of the opening. The phosphor particles are also substantially spherical or rounded. The nozzles are typically arranged on a print head that utilizes jet printing techniques to cover the semiconductor device with a layer of the matrix material. The methods and systems are particularly applicable to covering LEDs with a layer of phosphor materials.
    • 在液体介质中使用波长转换或荧光体颗粒的液滴涂覆半导体器件的方法和系统。 多个喷嘴将受控量的基质材料输送到半导体器件的表面,其中每个所述喷嘴具有用于基质材料通过的开口。 开口具有其中荧光体颗粒的直径小于或近似等于开口直径的一半的直径。 荧光体颗粒也基本上是球形或圆形。 喷嘴通常布置在打印头上,该打印头利用喷墨打印技术来覆盖具有基质材料层的半导体器件。 该方法和系统特别适用于用一层磷光体材料覆盖LED。
    • 10. 发明申请
    • LED backlighting for displays
    • LED背光用于显示器
    • US20060279962A1
    • 2006-12-14
    • US11153724
    • 2005-06-14
    • Ban Loh
    • Ban Loh
    • F21V13/00F21V7/04
    • G02F1/133603G02F1/133606G02F2001/133628H01L2224/48091H01L2924/00014
    • A display system including a display panel having a first major surface and a second major surface and a lighting system adapted to provide uniform luminance proximal to the display panel is disclosed. The lighting system includes an illuminating substrate having a first major surface with reflective coating and a second major surface. The illuminating substrate defines an array of mounting holes, each hole occupied by an LED module. An array of light emitting diode (LED) modules are affixed to the illuminating substrate, each module including at least one light emitting diode adapted to emit light. The lighting system can also include a diffusant layer which can be optically coupled to the illuminating substrate by soft optical gel and is placed close to or made to contact the display panel. The optical gel may contain phosphors or other optical substance for added optical performance to the lighting system. The diffusant layer has beveled edges at critical angle of refraction or coated with reflective material to minimize light loss at its edges. Each of the LED modules includes at least one LED chip, conductive traces connected to the LED chip and a heat sink.
    • 公开了一种显示系统,包括具有第一主表面和第二主表面的显示面板和适于在显示面板附近提供均匀亮度的照明系统。 照明系统包括具有带有反射涂层的第一主表面和第二主表面的照明基板。 照明基板限定一组安装孔,每个孔由LED模块占据。 一组发光二极管(LED)模块固定到照明基板上,每个模块包括适于发光的至少一个发光二极管。 照明系统还可以包括扩散层,其可以通过柔性光学凝胶光学耦合到照明基底并且靠近显示面板或与显示面板接触。 光学凝胶可以含有荧光体或其它用于向照明系统增加光学性能的光学物质。 扩散层在临界折射角处具有倾斜边缘,或涂覆有反射材料,以最小化其边缘处的光损失。 每个LED模块包括至少一个LED芯片,连接到LED芯片的导电迹线和散热器。