Patents Examined by Jimmy T. Vu
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Patent number: 12213219Abstract: The present disclosure relates to an LED driving circuit for controlling the voltage of an LED backlight system, and to a technology for controlling the driving voltage of an LED string formed at one end of the LED string through a digital counter by monitoring the output voltage of the LED string.Type: GrantFiled: March 31, 2023Date of Patent: January 28, 2025Assignee: LX SEMICON CO., LTD.Inventors: Sang Suk Kim, Jang Su Kim, Ji Hwan Kim, Kyeong Rok Lee, Jong Min Lee
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Patent number: 12200839Abstract: This application relates to the field of lighting, and discloses an LED filament. The LED filament includes an LED chip unit, a light conversion layer, and an electrode. The light conversion layer covers the LED chip unit and part of the electrode, and a color of a light emitted by the LED filament after lighting is different from a color of the light conversion layer. This application has the characteristics of uniform light emission and good heat dissipation effect.Type: GrantFiled: September 29, 2022Date of Patent: January 14, 2025Assignee: JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTDInventors: Tao Jiang, Lin Zhou, Ming-Bin Wang, Chih-Shan Yu, Rong-Huan Yang, Ji-Feng Xu, Heng Zhao, Jian Lu, Qi Wu
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Patent number: 12193126Abstract: A linear lighting device may include an elongated housing that defines a cavity. The linear lighting device may include plurality of emitter printed circuit boards configured to be received within the cavity. Each of the plurality of emitter printed circuit boards may include a plurality of emitter modules mounted thereto. Each of the plurality of emitter printed circuit boards may include a control circuit configured to control the plurality of emitter modules mounted to the respective emitter printed circuit board based on receipt of one or more messages. The linear lighting device may include a total internal reflection lens for each of the plurality of emitter printed circuit boards. The total internal reflection lens may be configured to diffuse light emitted by the emitter modules of the plurality of emitter printed circuit boards.Type: GrantFiled: December 19, 2023Date of Patent: January 7, 2025Assignee: Lutron Technology Company LLCInventors: Ryan M. Bocock, Fangxu Dong, Ari L. Fox, Christopher M. Green, Peter W. Ogden, Jr., Stephen Phillips, Jonathan R. Redus, Jaykrishna A. Shukla
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Patent number: 12187185Abstract: Disclosed are an apparatus and a method for controlling an intelligent lamp. The apparatus includes a camera that photographs an image of a front control area, a pattern analysis device that checks a target location for a control area of the camera, logs data for each segment corresponding to the target location, and analyzes a light-on/off frequency pattern, and a controller that adjusts a margin width of an anti-glare area for a preceding vehicle by calculating a light-on/off frequency corresponding to a location of the front vehicle based on the light-on/off frequency pattern when the front vehicle is detected.Type: GrantFiled: July 25, 2022Date of Patent: January 7, 2025Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Jun Young Sung
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Patent number: 12176753Abstract: The invention relates to an emergency lighting system (100), comprising a DC bus (103), at least one driver (101) for emergency lighting means that is connected to the DC bus (103), wherein the at least one driver (101) is further connected to a local battery (102), at least one central battery (105), a bus manager (104) connected to the at least one central battery (105), wherein the bus manager (104) further comprises output terminals for connecting the bus manager (104) to the DC bus (103). The bus manager (104) comprises a communication interface (104a) for communicating with the at least one driver (101), wherein the bus manager (104) is configured to receive an energy supply information from the at least one driver (101) and/or from the central battery (105), wherein the bus manager (104) is configured to control the at least one driver (101) to receive a power supply from the local battery (102) or from the central battery (105) based on the energy supply information.Type: GrantFiled: January 11, 2021Date of Patent: December 24, 2024Assignee: Tridonic GmbH & Co KGInventors: Cristiano De Menezes, Alekssander Santiago
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Patent number: 12167518Abstract: A first light emitting unit includes M (M?2) first light emitting elements provided in series. A second light emitting unit including N (N<M) second light emitting elements and a switching transistor are provided on a path parallel to the first light emitting unit. A constant-current driver is connected in series to both the first light emitting unit and the second light emitting unit, and generates a drive current. A drive circuit includes a capacitor provided between a gate and a drain of the switching transistor, and causes the gate of the switching transistor to generate a drive signal according to a switching signal.Type: GrantFiled: December 9, 2022Date of Patent: December 10, 2024Assignee: KOITO MANUFACTURING CO., LTD.Inventors: Tomoyuki Ichikawa, Toru Ito, Atsushi Ozawa
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Patent number: 12167513Abstract: A LED dimming circuit, including a low-level-voltage generation module, a high-level-voltage generation module, a base-voltage generation module, and a dimming-signal generation module. By counting the high and low levels of a low-frequency PWM signal, high and low-level voltages with respect to time are obtained; a constant current source and a capacitor are used to convert high-frequency switching signals to a DC base voltage that is only related to the duty cycle of the low-frequency PWM signal. When the base voltage is greater than a predetermined voltage, the base voltage is output as the dimming signal; when the base voltage is less than the predetermined voltage, a new PWM signal is output as the dimming signal, whose magnitude is the same of that of the predetermined voltage, wherein the average values of the new PWM signal and the base voltage are the same.Type: GrantFiled: November 22, 2021Date of Patent: December 10, 2024Assignee: CRM ICBG (WUXI) CO., LTD.Inventors: Jun Liu, Guocheng Li, Quanqing Wu
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Patent number: 12166292Abstract: An antenna according to an embodiment of the present disclosure includes a first substrate, the first substrate includes: a first base substrate; at least one first radiation unit on a side of the first base substrate; a first electrode layer on a side of the first base substrate away from the at least one first radiation unit; and at least one second radiation unit on a side of the at least one first radiation unit away from the first electrode layer; wherein an orthographic projection of each second radiation unit on the first base substrate at least partially overlaps an orthographic projection of one first radiation unit on the first base substrate; and an orthographic projection of the at least one first radiation unit on the first base substrate is within an orthographic projection of the first electrode layer on the first base substrate.Type: GrantFiled: June 25, 2021Date of Patent: December 10, 2024Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunnan Feng, Zhifeng Zhang, Yong Li, Haoyang Zhang, Chuncheng Che, Jingjun Du, Jiaqiang Wang, Feng Qu
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Patent number: 12144078Abstract: The present disclosure presents lighting control systems and related methods. One such system comprises a light emitting device comprising a plurality of channels, each channel of the plurality of channels including one or more light emitting diodes configured to emit light at a respective predominant wavelength, and a plurality of direct current drivers, each direct current driver of the plurality of direct current drivers supplying power to a respective channel of the plurality of channels. The system further includes a router module that is configured to communicate with the light emitting device; and a graphical user interface configured to specify and control a plurality of parameters of each channel of the plurality of channels, wherein the plurality of parameters enable adjustment of a spectral content, intensity, and schedule of illumination, in addition to enabling a DC mode of operation or a pulse width modulation (PWM) mode of operation.Type: GrantFiled: August 26, 2023Date of Patent: November 12, 2024Assignee: ASTRO SPACE, LLCInventor: William F. Probasco
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Patent number: 12144074Abstract: The present invention relates to a luminaire (1), comprising a housing (2) having a diffusion panel (3) as light emission surface, comprising at least one illuminant (4) which is arranged within the housing (2) such that it is set up to emit light through the diffusion panel (3) to the area outside of the housing (2), and comprising at least two light sensors (S1, S2) arranged within the housing (2), the light sensors being set up to detect light. The at least two light sensors (S1, S2) have different detection regions (B1, B2) within the housing (2) and are set up to detect light (Et) which enters through the diffusion panel (3) into the housing interior from the area outside of the housing (2), wherein, on account of the different detection regions (B1, B2), one of the at least two light sensors (S1, S2) detects light (Er2) that was emitted by the at least one illuminant (4) and reflected from at least one wall of the housing interior.Type: GrantFiled: February 16, 2021Date of Patent: November 12, 2024Assignee: Tridonic GmbH & Co KGInventors: Frank Horn, Huang Pengcheng, Roger Kistler, Thomas Kuch, Markus Künzli, Eduardo Pereira, Hans Schlumpf, John Schönberger
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Patent number: 12142465Abstract: A plasma processing method is disclosed that includes (a) placing a substrate on an electrostatic chuck at a first temperature, the electrostatic chuck being disposed in a plasma processing chamber; (b) electrostatically attracting the substrate to the electrostatic chuck; (c) starting supply of a heat transfer gas between the substrate and the electrostatic chuck; (d) detecting a flow rate of the heat transfer gas or a pressure between the substrate and the electrostatic chuck; (e) determining whether the flow rate or the pressure exceeds a predetermined threshold value; (f) raising the temperature of the electrostatic chuck until the temperature of the electrostatic chuck becomes a second temperature, the second temperature being higher than the first temperature; and (g) generating plasma in the plasma processing chamber.Type: GrantFiled: August 31, 2022Date of Patent: November 12, 2024Assignee: Tokyo Electron LimitedInventor: Sho Hiraoka
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Patent number: 12133312Abstract: A networked system has a first device which sends commands to one or more other devices. If those other devices are able to follow the commands, they inhibit reporting of their status. Thus, network status data is maintained based on the commands, unless status reports indicate that the commands could not be followed or that status changes have been made which were not in response to commands from the first device.Type: GrantFiled: November 23, 2020Date of Patent: October 29, 2024Assignee: SIGNIFY HOLDING B.V.Inventors: Marco Haverlag, Leendert Teunis Rozendaal
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Patent number: 12133311Abstract: A Christmas tree lighting decoration control system includes a power supply device, a control device and a LED light string for controlling on/off, flashing, color change and time setting of the LED light string. The power supply device includes a power circuit in a first housing, a first rectifier filter circuit, a power chip, a feedback circuit, a transformer and a second rectifier filter circuit. The control device includes a second housing with an operation key or a radio frequency remote control operation key, a plug-in input terminal, a second output terminal and a control circuit, which includes a power supply circuit, a detection and protection circuit, a main control chip IC1, a signal processing chip IC2 and a radio frequency receiving circuit, and function control circuit. The LED light string includes multiple groups of poleless dual-color or discrete poleless LED light strings connecting to a LED double-flash light bead.Type: GrantFiled: July 10, 2024Date of Patent: October 29, 2024Inventor: Huawang Liu
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Patent number: 12133306Abstract: A lamp driver delivers an output voltage and output current to a lamp load. A current regulating circuit at a secondary side provides a feedback signal for use by the driver when in a current regulation mode. An overvoltage protection circuit detects an overvoltage condition of an output voltage and modulates the feedback signal during detection of the overvoltage condition. The overvoltage condition can then be recognized more easily based on the resulting modulation of the output voltage.Type: GrantFiled: April 22, 2021Date of Patent: October 29, 2024Assignee: SIGNIFY HOLDING B.V.Inventors: Tijmen Cornelis Van Bodegraven, Reinhold Elferich
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Patent number: 12120795Abstract: Embodiments of the present disclosure provide systems, apparatuses and methods for synchronous communication and control of LED lights and sensors in an LED light array containing two or more LED lights. Through the use of a master clock within a gateway and/or a master controller that is in communication with LED lights in an array that is in a facility, such as in a greenhouse, hot house, poultry egg production facility, a hospital, dairy production or other lighting facilities, the gateway and/or master controller is capable of synchronizing the emission of light or photons from an LED light array by generating a master signal that contains commands and time from a master clock within the signal that is transmitted to each of the LED lights within an array.Type: GrantFiled: December 18, 2020Date of Patent: October 15, 2024Assignee: Xiant Technologies, Inc.Inventor: Jon Daren Suntych
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Patent number: 12120791Abstract: A light emitting diode hybrid light string includes a first conducting wire, a second conducting wire, a control module, a plurality of light emitting diodes, and a light emitting regulation assembly. The control module is configured to synthesize a communication command signal and a drive signal to generate a synthesized signal and output the synthesized signal to the first conducting wire and the second conducting wire. The light emitting diodes are connected in parallel between the first conducting wire and the second conducting wire, and generate first light emission according to the drive signal. The light emitting regulation assembly is connected in parallel between the first conducting wire and the second conducting wire, and configured to generate second light emission according to the communication command signal.Type: GrantFiled: May 30, 2024Date of Patent: October 15, 2024Inventor: Shu-Fa Shao
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Patent number: 12114407Abstract: An LED string control system includes an LED string and a control module. The LED string incudes a plurality of LED modules. The control module is coupled to the LED modules, and provides a control signal to control the LED modules to generate lighting behavior based on a light command. The light command is composed of a plurality of first digital logics and a plurality of second digital logics in a specific sequence. The control module respectively provides a plurality of first voltage levels and a plurality of second voltage levels to form the control signal based on the first digital logics and the second digital logics of the light command.Type: GrantFiled: December 1, 2022Date of Patent: October 8, 2024Assignee: SEMISILICON TECHNOLOGY CORP.Inventor: Wen-Chi Peng
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Patent number: 12108506Abstract: A circuit arrangement comprises an LED chain comprising multiple LEDs; and bypass switching elements, wherein each LED is assigned to one of the bypass switching elements, and the bypass switching elements each have a driver terminal, wherein each of the bypass switching elements is configured to bypass the LED of the LED chain that is associated with the bypass switching element based on a voltage at the driver terminal that is associated with the bypass switching element; and a switch, wherein the driver terminals of the bypass switching elements are connected to the switch via a common node, the switch being configured to discharge a capacitor of a constant current source that can be connected to the LED chain based on a voltage applied to the node. A circuit comprises the circuit arrangement.Type: GrantFiled: March 31, 2021Date of Patent: October 1, 2024Assignee: Continental Automotive Technologies GmbHInventor: Emil Kovatchev
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Patent number: 12108505Abstract: The present disclosure relates to A work mode indicator for a lamp, including: a user command switch unit configured to issue a switch command to switch a work mode; a controller configured to output a work mode indication control signal, the controller being electrically connected to the user command switch unit; and a work mode indication unit; wherein the work mode indication unit is a multicolor light-emitting indicator lamp configured to emit multiple colors of light to indicate different work modes, and the controller has an output end electrically connected to the multicolor light-emitting indicator lamp. With the present disclosure, different work modes of the lamp may be indicated through a multicolor light-emitting indicator lamp, whereby a user can determine which work mode the lamp is in.Type: GrantFiled: April 27, 2023Date of Patent: October 1, 2024Assignee: Changzhou Jutai Electronic Co., Ltd.Inventors: Jun Lin, Chengqian Pan, Bin Chen
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Patent number: 12108509Abstract: A lighting system includes a lighting device arranged to attach to a vehicle. The lighting device includes at least two ultraviolet lights and at least one sensor. The sensor determines whether any of at least two areas or zones adjacent to the lighting device are poorly visibly illuminated and/or occupied by personnel, and illuminates these areas or zones with ultraviolet light. The lighting system is configured to operate in conjunction with existing emergency visible lighting and/or flashing visible light systems by using the sensors to sense visible illumination of each individual area or zone provided by the existing emergency visible lighting and flashing visible light systems. The lighting system may be configured to synchronize the illumination of each individual area or zone in ultraviolet light with intermittent absence of visible light illumination in each area or zone from the existing emergency visible lighting and flashing visible light systems.Type: GrantFiled: August 8, 2022Date of Patent: October 1, 2024Inventors: Joel A. Nichols, Dominic Picciuto