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    Downlight having quick connect driver assembly and test module
    3.
    发明授权
    Downlight having quick connect driver assembly and test module 有权

    公开(公告)号：US11530806B2

    公开(公告)日：2022-12-20

    申请号：US17572698

    申请日：2022-01-11

    申请人： LEDVANCE LLC

    发明人： Anil Jeswani ,  Renaud Richard ,  Ahmed Eissa ,  Valeriy Zolotykh

    IPC分类号： F21V23/06 ,  F21V23/00 ,  F21V23/04 ,  F21S8/02 ,  F21V29/76 ,  F21Y115/10 ,  F21Y105/18

    摘要： A lighting test method that includes connecting a housing including driver electronics and a junction box to a main power source. The main power source is connected to a main power connector in the junction box. The driver electronics includes a first terminal. The method further includes connecting a power testing module to the first terminal to the driver electronics to determine whether the main power source is correctly connected to the main power connector in the junction box. The method further includes replacing the power testing module with a second terminal of a light engine housing. Connecting the first and second terminals provides that the driver electronics are in electrical communication with a light engine within the light engine housing.

    Stacked device structure
    4.
    发明授权
    Stacked device structure 有权

    公开(公告)号：US11316143B2

    公开(公告)日：2022-04-26

    申请号：US16405104

    申请日：2019-05-07

    申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

    发明人： Akihiro Horibe ,  Kuniaki Sueoka

    IPC分类号： H01M4/1391 ,  H01M4/131 ,  H01M10/0562 ,  H01M10/058 ,  H01M4/134

    摘要： A method for fabricating a stacked device structure includes preparing plural device layers each having a glass layer, a metal layer, and a resin layer. The metal layer corresponds to one of plural metal layers. The method further includes stacking the plural device layers to compose stacked device layers; and drilling vertically a hole into the stacked device layers by laser such that the plural metal layers are exposed to the hole and filling conductive material into the hole to connect the plural metal layers.

    Cost distribution construction for pessimistic tree search
    6.
    发明授权
    Cost distribution construction for pessimistic tree search 有权

    公开(公告)号：US11308087B2

    公开(公告)日：2022-04-19

    申请号：US16850851

    申请日：2020-04-16

    申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

    发明人： Ryo Iwaki ,  Takayuki Osogami

    IPC分类号： G06F16/22 ,  G06F16/2453

    摘要： A computer-implemented method is provided for evaluating a next action of a target object in an environment. The method includes simulating, by a hardware processor for each of possible actions of the target object in the environment, a next state occurring thereafter to obtain a plurality of simulated next states, based on a pessimistic scenario which is randomly generated by sampling a plurality of costs from a distribution of cost. The distribution of cost is an area where the target object is likely to visit in a near future. The method further includes identifying, by the hardware processor, a safety area for the target object in each of the plurality of simulated next states. The method also includes evaluating, by the hardware processor, each of the possible actions of the target object, based on the safety area.

    Hybrid light emitting diode tube
    7.
    发明授权
    Hybrid light emitting diode tube 有权

    公开(公告)号：US11255530B2

    公开(公告)日：2022-02-22

    申请号：US17148008

    申请日：2021-01-13

    申请人： LEDVANCE LLC

    发明人： Soumya Kanta Ray ,  Anil Jeswani ,  Robert Harrison

    IPC分类号： F21K9/27 ,  F21V23/04 ,  F21V23/00 ,  F21V23/02 ,  H05B45/3578 ,  F21Y115/10

    摘要： A lamp including a light source having at least one string of light emitting diodes on a printed circuit board present within a tube body; and end caps having a G13 pin layout on each end of the tube body. The lamp may further include an electrical isolation switch mounted on at least one of the end caps, wherein the electrical isolation switch provides shock protection from the lamp when installed into a ballast free fixture. The lamp may further include driver electronics having a filament detector portion provided by a passive resistance capacitor (RC) circuit that simulates the filament load of a fluorescent lamp when installed into a ballast containing fixture.

    Light emitting diode filament light source
    8.
    发明授权
    Light emitting diode filament light source 有权

    公开(公告)号：US11255491B2

    公开(公告)日：2022-02-22

    申请号：US17065847

    申请日：2020-10-08

    申请人： LEDVANCE LLC

    发明人： Arunava Dutta ,  Jason Li

    IPC分类号： F21V19/00 ,  F21K9/237 ,  F21V23/06 ,  F21K9/232 ,  F21Y115/10

    摘要： A light engine comprising a substantially tubular substrate including base portion with a plurality of slots, a first group of at least two filament LEDs on a first portion of the substantially tubular substrate, and a second group of at least two filament LEDs on a second portion of the substantially tubular substrate. Each of the first and second groups of the at least two filament LEDs being electrically connected through a base electrode to electrode contacts in the slots. The light engine also includes an electrical bus wire present proximate to the end of the substantially tubular substrate that is opposite the end at the base portion of the substantially tubular substrate, the electrical bus wire in contact with each filament LED for each of the first and second groups of at least two filament LEDs.

    Self-supporting filament light emitting diode light engine lamp assembly
    9.
    发明授权
    Self-supporting filament light emitting diode light engine lamp assembly 有权

    公开(公告)号：US11035524B2

    公开(公告)日：2021-06-15

    申请号：US16288565

    申请日：2019-02-28

    申请人： LEDVANCE LLC

    发明人： Tom Spehalski ,  Steve Farley

    IPC分类号： F21K9/235 ,  F21K9/90 ,  F21K9/238 ,  F21K9/232 ,  F21Y103/10 ,  F21Y115/10

    摘要： A light emitting diode (LED) light engine that includes an anode supporting base contact having a first arcular geometry; a cathode supporting base contact having a second arcular geometry; and a plurality of light emitting diode (LED) filament structures connected in series, the plurality of light emitting diode (LED) filament structures all connected at a common apex interface, wherein at least a first of the plurality of light emitting diode (LED) filament structures has an anode contact in electrical communication with the anode supporting base contact, and at least a second of the plurality of light emitting diode (LED) filament structures of has a cathode contact in electrical communication with the cathode supporting base contact.

    Reliability of hardware reset process for smart light emitting diode (LED) bulbs
    10.
    发明授权
    Reliability of hardware reset process for smart light emitting diode (LED) bulbs 有权

    公开(公告)号：US10939526B2

    公开(公告)日：2021-03-02

    申请号：US16862758

    申请日：2020-04-30

    申请人： Yuhao Liu ,  Nilesh Patel ,  Ming Li

    发明人： Yuhao Liu ,  Nilesh Patel ,  Ming Li

    IPC分类号： H05B45/37

    摘要： A driver circuit for lighting applications that includes a power input circuit for receiving power; a light emitting diode (LED) output current circuit for interfacing with a light source; and a light emitting diode (LED) power supply circuit for controlling current to the light emitting diode (LED) output current circuit. A controller circuit is present in the circuit for signaling the light emitting power supply (LED) to control current to the light emitting diode (LED) output current circuit. The controller is reset by removing power to the controller. A smoothing capacitor is present for stabilizing at least an output voltage. The circuit further includes a current rectifying circuit that prohibits back current traveling from the smoothing capacitor to the controller circuit when the AC power is off.