Light emitting diode light source having a ceramic substrate
    9.
    发明授权
    Light emitting diode light source having a ceramic substrate 有权
    具有陶瓷基板的发光二极管光源

    公开(公告)号:US08304797B2

    公开(公告)日:2012-11-06

    申请号:US12846218

    申请日:2010-07-29

    IPC分类号: H01L33/00 F21V21/00

    摘要: An LED light source (10) comprises a ceramic substrate (20) with first and second opposed surfaces (30, 40). Pockets (50) are formed in the first surface (30) and each of the pockets includes a bottom (60) and a sidewall or sidewalls (70). A final electrical contact (105) comprised of a first electrically conductive material (57) with a coating of a second electrically conductive material (100) thereover is positioned in each of the pockets (50). An LED (110) is positioned in each of the pockets (50) and affixed to the electrical contact (105) and electrical connections (120), preferably in form of wire bonds, join the LEDs, the electrical connections (120) extending from a first LED (110) to an adjacent electrical contact (105). The ceramic substrate (20) is formed by injection molding a ceramic material and binder to form a green substrate (12) and subsequently sintering the green substrate to form the substrate (20). An LED light (150) can be formed from the LED light source (10) by adding a dome (150) formed of a ceramic material containing therein a homogeneous dispersion of a phosphor material capable of emitting light when excited by the light emitted from the operating LEDs (110).

    摘要翻译: LED光源(10)包括具有第一和第二相对表面(30,40)的陶瓷基板(20)。 口袋(50)形成在第一表面(30)中,并且每个袋包括底部(60)和侧壁​​或侧壁(70)。 由第一导电材料(57)和其上的第二导电材料(100)的涂层构成的最终电触点(105)位于每个凹穴(50)中。 LED(110)定位在每个凹穴(50)中并固定到电接触(105),并且电连接(120)优选地以线接合的形式连接LED,电连接(120)从 第一LED(110)连接到相邻的电触头(105)。 陶瓷基板(20)通过注射成型陶瓷材料和粘合剂形成绿色基板(12)并随后烧结生坯基板以形成基板(20)而形成。 通过添加由陶瓷材料形成的圆顶(150),可以由LED光源(10)形成LED灯(150),所述圆顶(150)包含能够发射光的荧光体材料的均匀分散体 操作LED(110)。