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    • 16. 发明申请
    • LIGHT EMITTING DIODE LAMP AND CONTROL CIRCUIT THEREOF
    • 发光二极管灯及其控制电路
    • US20110089856A1
    • 2011-04-21
    • US12626687
    • 2009-11-27
    • Chin-Long KuChin-Wen YehZhi-Jian PengHai-Shan Sun
    • Chin-Long KuChin-Wen YehZhi-Jian PengHai-Shan Sun
    • H05B41/36
    • F21K9/00F21V23/003H05B33/0848
    • A control circuit for controlling current through LEDs of an LED lamp includes a voltage regulator, a feedback circuit with an amplifier and a photo-resistor. The voltage regulator includes an output terminal connecting with the LEDs and a feedback terminal The amplifier includes an in-phase input end coupling with an output end of the LEDs, an out-phase input end and an output end connected to the feedback terminal of the voltage regulator. The photo-resistor is connected between the out-phase input end of the amplifier and the ground. The photo-resistor has a resistance increasing along with a decrease of the light intensity of the LEDs. The increase of resistance of the photo-resistor is fed back to the voltage regulator via the amplifier, to thereby increase the electric current through the LEDs to maintain the light intensity of the LED lamp within an acceptable range.
    • 用于控制通过LED灯的LED的电流的控制电路包括电压调节器,具有放大器的反馈电路和光电阻器。 电压调节器包括与LED连接的输出端子和反馈端子。放大器包括与LED的输出端的同相输入端耦合,外部输入端和输出端,其连接到LED的反馈端子 电压调节器。 光电阻连接在放大器的外相输入端和地之间。 光电阻器随着LED的光强度的降低而增加。 光电阻的电阻的增加通过放大器反馈到电压调节器,从而增加通过LED的电流,以将LED灯的光强度保持在可接受的范围内。
    • 20. 发明申请
    • ENHANCED LIFT-OFF TECHNIQUES FOR USE WHEN FABRICATING LIGHT SENSORS INCLUDING DIELECTRIC OPTICAL COATING FILTERS
    • 用于制造光电传感器的增强型提升技术,包括电介质光学涂层过滤器
    • US20130252369A1
    • 2013-09-26
    • US13530675
    • 2012-06-22
    • Eric S. LeeMichael I-Shan SunFrancois Hebert
    • Eric S. LeeMichael I-Shan SunFrancois Hebert
    • H01L31/0232
    • H01L31/02327H01L21/0272H01L31/02162H01L31/101H01L31/103H01L31/18
    • Light sensors including dielectric optical coatings to shape their spectral responses, and methods for fabricating such light sensors in a manner that accelerates lift-off processes and increases process margins, are described herein. In certain embodiments, a short duration soft bake is performed. Alternatively, or additionally, temperature cycling is performed. Alternatively, or additionally, photolithography is performed using a photomask that includes one or more dummy corners, dummy islands and/or dummy rings. Each of the aforementioned embodiments form and/or increase a number of micro-cracks in the dielectric optical coating not covering the photodetector sensor region, thereby enabling an accelerated lift-off process and an increased process margin. Alternatively, or additionally, a portion of the photomask can include chamfered corners so that the dielectric optical coating includes chamfered corners, which improves the thermal reliability of the dielectric optical coating.
    • 本文描述了包括用于塑造其光谱响应的介电光学涂层的光传感器以及以加速剥离过程并增加工艺裕度的方式制造这种光传感器的方法。 在某些实施例中,执行短持续时间的软烘烤。 或者或另外,进行温度循环。 或者或附加地,使用包括一个或多个虚拟角,虚拟岛和/或虚拟环的光掩模来执行光刻。 上述实施例中的每一个形成和/或增加了不覆盖光电检测器传感器区域的电介质光学涂层中的许多微裂纹,从而能够加速剥离过程和增加的工艺余量。 或者或另外,光掩模的一部分可以包括倒角,使得介电光学涂层包括倒角,这改善了介电光学涂层的热可靠性。