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    • 3. 发明申请
    • MULTI-FIELD ARRANGING METHOD OF LED CHIPS UNDER SINGLE LENS
    • 单镜头下LED灯的多场布置方法
    • US20130095585A1
    • 2013-04-18
    • US13708720
    • 2012-12-07
    • Helio Optoelectronics Corporation
    • Ming-Hung CHENPo-Ming TsengKun-Yang HsiehShin-Chieh Lin
    • H01L33/00
    • H01L33/005H01L25/0753H01L33/58H01L2924/0002H01L2933/0033H01L2924/00
    • A multi-field arranging method of LED chips under a single lens includes the steps of: setting a first concentric circle on a bottom of a hemispherical lens, wherein the first concentric circle is centered at an axis of the hemispherical lens; equidistantly arranging plural first LED chips on the first concentric circle; setting a second concentric circle, which is also centered at the same axis as the first concentric circle, and the second concentric circle is larger than the first concentric circle in radius; and equidistantly arranging plural second LED chips and plural third LED chips on the second concentric circle. The present invention allows the LED chips to present symmetrical light patterns through the hemispherical lens, thereby obtaining a light field with evener color mixture and evener color temperature distribution in every illuminating direction.
    • 在单个透镜下的LED芯片的多场排列方法包括以下步骤:在半球形透镜的底部设置第一同心圆,其中第一同心圆以半球透镜的轴为中心; 在第一同心圆上等距地排列多个第一LED芯片; 设置第二同心圆,其中心于与第一同心圆相同的轴,并且第二同心圆大于半径的第一同心圆; 并且在第二同心圆上等距地布置多个第二LED芯片和多个第三LED芯片。 本发明允许LED芯片通过半球形透镜呈现对称的光图案,从而在每个照明方向上获得具有更好的颜色混合和更好的色温分布的光场。
    • 6. 发明申请
    • HIGH-VOLTAGE FLIP-CHIP LED STRUCTURE AND MANUFACTURING METHOD THEREOF
    • 高压FLIP-CHIP LED结构及其制造方法
    • US20140183444A1
    • 2014-07-03
    • US13781256
    • 2013-02-28
    • HELIO OPTOELECTRONICS CORPORATION
    • Ming-Hung CHENShih-Chang Shei
    • H01L33/46H01L27/15
    • H01L27/153H01L33/08H01L33/44H01L33/62H01L2224/13
    • A high-voltage flip-chip LED structure and a manufacturing method thereof are disclosed. The manufacturing method includes: providing a die substrate, depositing a first passivation layer, forming a co-electrical-connecting layer, depositing a second passivation layer, depositing a mirror layer, forming two conductive tunnels by etching, and providing two connecting metal layers. The die substrate includes a sapphire substrate and multiple LED chips thereon. The fully transparent co-electrical-connecting layer, formed after formation of the first passivation layer, electrically connects the LED chips in series. The outer surface of the deposited second passivation layer is a flat passivation surface that enables the mirror layer thereon to be level and reflect light without optical path difference. The two connecting metal layers are provided for electrical conduction. The high-voltage flip-chip LED structure thus formed has fully transparent electrodes and can output light without optical path difference.
    • 公开了一种高压倒装芯片LED结构及其制造方法。 该制造方法包括:提供管芯基板,沉积第一钝化层,形成共电连接层,沉积第二钝化层,沉积镜层,通过蚀刻形成两个导电通道,以及提供两个连接金属层。 裸片基板包括蓝宝石衬底和其上的多个LED芯片。 在形成第一钝化层之后形成的完全透明的共电连接层将LED芯片串联电连接。 沉积的第二钝化层的外表面是平坦钝化表面,其使得其上的镜层能够水平并且反射光而没有光程差。 两个连接金属层被提供用于导电。 这样形成的高电压倒装芯片LED结构具有完全透明的电极,可以输出光而不产生光程差。
    • 8. 发明申请
    • LED LAMP STRUCTURE DRIVEN BY DOUBLE CURRENT AND DOUBLE CURRENT DRIVING METHOD THEREOF
    • LED灯结构由双电流和双电流驱动方式驱动
    • US20140077710A1
    • 2014-03-20
    • US13671216
    • 2012-11-07
    • HELIO OPTOELECTRONICS CORPORATION
    • Ming-Hung CHENChing-Jen PAN
    • H05B37/02
    • H05B33/089H05B33/0866
    • Disclosed are an LED lamp structure driven by double current and a double current driving method thereof. The LED lamp structure driven by double current includes a COB package, a temperature sensor, and a controller. The COB package is provided therein with a blue LED chipset to be driven by a first current and a red LED chipset to be driven by a second current. The temperature sensor detects the working temperature of the red LED chipset, and the controller performs dynamic adjustment on the second current according to the working temperature so as to stabilize the color temperature of the LED lamp structure. Thus, as soon as the LED lamp structure is activated, its color temperature will be stabilized to ensure user comfort, which may otherwise be disturbed by variation of the color temperature.
    • 公开了由双电流驱动的LED灯结构及其双电流驱动方法。 由双电流驱动的LED灯结构包括COB封装,温度传感器和控制器。 COB封装在其中设置有由第一电流驱动的蓝色LED芯片组和由第二电流驱动的红色LED芯片组。 温度传感器检测红色LED芯片组的工作温度,控制器根据工作温度对第二电流进行动态调整,以稳定LED灯泡结构的色温。 因此,一旦LED灯结构被激活,其色温将被稳定以确保用户的舒适度,否则可能由于色温的变化而受到干扰。