Patents by Inventor Bing Wen
Bing Wen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230061174Abstract: Microelectromechanical system (MEMS) devices, methods of operating the MEMS device, and methods of manufacturing the MEMS device are disclosed. In some embodiments, the MEMS device includes a glass substrate; an electrode on the glass substrate; a hinge mechanically coupled to the electrode; a membrane mirror mechanically coupled to the hinge; a TFT on the glass substrate and electrically coupled to the electrode; and a control circuit comprising: a multiplexer configured to turn on or turn off the TFT; and a drive source configured to provide a drive signal for charging the electrode through the TFT. An amplitude of the drive signal corresponds to an amount of charge, and the amount of charge generates an electrostatic force for actuating the hinge and a portion of the membrane mirror mechanically coupled to the hinge. In some embodiments, the MEMS devices comprise a charge transfer circuit for providing the amount of charge.Type: ApplicationFiled: August 26, 2022Publication date: March 2, 2023Applicant: Obsidian Sensors, Inc.Inventors: John HONG, Tallis CHANG, Bing WEN, Edward CHAN, Sean ANDREWS, Heesun SHIN
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Publication number: 20230036855Abstract: Circuitries for controlling a power consuming device are disclosed. Methods for operating the circuitries and manufacturing the circuitries are also disclosed. In some embodiments, the circuit comprises a first thin-film transistor (TFT), a second TFT, and a storage capacitor. The first TFT is configured to output a current to a power consuming device. The second TFT is configured to provide a control voltage to the first TFT for controlling an amount of the current. The storage capacitor is configured to store the control voltage.Type: ApplicationFiled: July 28, 2022Publication date: February 2, 2023Applicant: Obsidian Sensors, Inc.Inventors: Heesun SHIN, John HONG, Tallis CHANG, Bing WEN
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Publication number: 20230020049Abstract: A detection device, an inverter, and a detection method are disclosed. The detection device is configured to detect a leakage current flowing through a conductor. The detection device includes a magnetic core, a detection winding and a calibration winding both wound on the magnetic core, a detection circuit, and a calibration circuit. The detection circuit is coupled to the detection winding, and configured to sample a detection signal of the detection winding to obtain a leakage current detection value. The calibration circuit is coupled to the calibration winding, and configured to provide a calibration signal to the calibration winding.Type: ApplicationFiled: May 11, 2022Publication date: January 19, 2023Inventors: Yu-Xi WANG, Jun-Xiong WU, Bing-Wen WENG, Xuan-Cai ZHU
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Patent number: 11555744Abstract: Methods of sensor readout and calibration and circuits for performing the methods are disclosed. In some embodiments, the methods include driving an active sensor at a voltage. In some embodiments, the methods include use of a calibration sensor, and the circuits include the calibration sensor. In some embodiments, the methods include use of a calibration current source and circuits include the calibration current source. In some embodiments, a sensor circuit includes a Sigma-Delta ADC. In some embodiments, a column of sensors is readout using first and second readout circuits during a same row time.Type: GrantFiled: April 17, 2019Date of Patent: January 17, 2023Assignee: Obsidian Sensors, Inc.Inventors: Edward Chan, Bing Wen, John Hong, Tallis Chang, Seung-Tak Ryu
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Patent number: 11460173Abstract: Rack-type backlight light emitting element (LEE) printed circuit boards (PCBs) with at least two layers to provide redundant current paths. This enables a PCB strip to be broken at designated perforations in the field in order to accommodate pipes or fixtures that require formation of a gap in the rack array. The entire length and width of an array can be sized in the field. A plurality of PCB arrays can be serially chained together with the system. A chain of PCB strips is snapped into clips, which in turn snap into rails that are fastened to a surface. The mounting system includes various types of clips, such as end clips, clips for different LEE patterns on the PCBs, and mounting clips to secure the rails to a surface.Type: GrantFiled: January 5, 2022Date of Patent: October 4, 2022Assignee: BROOKSCO, LLCInventors: David Brooks, Yulin Xu, Zhisheng Zhou, Bing Wen
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Publication number: 20220064644Abstract: The present disclosure relates to a method of identifying a genetic modifier of a nucleotide repeat disorder, comprising selecting from the subjects the late-onset subjects with higher nucleotide repeat load or the early-onset subjects with lower nucleotide repeat load and identifying one or more genetic modifiers delaying or promoting onset of a nucleotide repeat disorder. The present disclosure also relates to a method for treating or preventing a polyglutamine (polyQ) expansion disease in a subject in need of such treatment or prevention, comprising administering an effective amount of a PIAS1 variant or a recombinant nucleic acid molecule encoding the PIAS1 variant to the subject. The present disclosure also relates to a method for treating or preventing early symptoms onset of the polyglutamine expansion disease, a PIAS1 variant, comprising one or more sequence changes located in the C-terminal region of PIAS1 and a recombinant nucleic acid molecule encoding the PIAS1 variant as disclosed herein.Type: ApplicationFiled: August 30, 2021Publication date: March 3, 2022Inventors: Bing-Wen SOONG, Ueng-Cheng YANG, Yu-Shuen TSAI, Tzu-Hao CHENG, Yi-Juang CHERN, Ming-Tsan SU, Yi-Ching CHANG, Yan Hua LEE
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Publication number: 20210306535Abstract: An imaging device comprising two camera apertures and a method of capturing two fields of view using two camera apertures are disclosed.Type: ApplicationFiled: March 26, 2021Publication date: September 30, 2021Applicant: Obsidian Sensors, Inc.Inventors: John HONG, Bing WEN, Tallis CHANG
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Publication number: 20210294093Abstract: Microelectromechanical system (MEMS) devices, methods of operating the MEMS device, and methods of manufacturing the MEMS device are disclosed. In some embodiments, the MEMS device includes a glass substrate; an electrode on the glass substrate; a hinge mechanically coupled to the electrode; a membrane mirror mechanically coupled to the hinge; a TFT on the glass substrate and electrically coupled to the electrode; and a control circuit comprising: a multiplexer configured to turn on or turn off the TFT; and a drive source configured to provide a drive signal for charging the electrode through the TFT. An amplitude of the drive signal corresponds to an amount of charge, and the amount of charge generates an electrostatic force for actuating the hinge and a portion of the membrane mirror mechanically coupled to the hinge.Type: ApplicationFiled: March 19, 2021Publication date: September 23, 2021Applicant: Obsidian Sensors, Inc.Inventors: John HONG, Tallis CHANG, Bing WEN, Edward CHAN, Sean ANDREWS, Heesun SHIN
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Publication number: 20210164839Abstract: Disclosed herein are MEMS devices and systems and methods of manufacturing or operating the MEMS devices and systems for transmitting and detecting radiation. The devices and methods described herein are applicable to terahertz radiation. In some embodiments, the MEMS devices and systems are used in imaging applications. In some embodiments, a microelectromechanical system comprises a glass substrate configured to pass radiation from a first surface of the glass substrate through a second surface of the glass substrate, the glass substrate comprising TFT circuitry; a lid comprising a surface; spacers separating the lid and glass substrate; a cavity defined by the spacers, surface of the lid, and second surface of the glass substrate; a pixel in the cavity, positioned on the second surface of the glass substrate, electrically coupled to the TFT circuitry, and comprising an absorber to detect the radiation; and a reflector to direct the radiation to the absorbers and positioned on the lid.Type: ApplicationFiled: August 9, 2019Publication date: June 3, 2021Applicant: Obsidian Sensors, Inc.Inventors: John HONG, Bing WEN, Edward CHAN, Tallis CHANG, Sean ANDREWS
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Publication number: 20210102844Abstract: Methods of sensor readout and calibration and circuits for performing the methods are disclosed. In some embodiments, the methods include driving an active sensor at a voltage. In some embodiments, the methods include use of a calibration sensor, and the circuits include the calibration sensor. In some embodiments, the methods include use of a calibration current source and circuits include the calibration current source. In some embodiments, a sensor circuit includes a Sigma-Delta ADC. In some embodiments, a column of sensors is readout using first and second readout circuits during a same row time.Type: ApplicationFiled: April 17, 2019Publication date: April 8, 2021Applicant: Obsidian Sensors, Inc.Inventors: Edward CHAN, Bing WEN, John HONG, Tallis CHANG, Seung-Tak RYU
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Publication number: 20210002130Abstract: A method of manufacturing MEMS housings includes: providing glass spacers; providing a window plate; attaching the window plate to the glass spacers; aligning the glass spacers with a device glass plate having MEMS devices thereon; bonding the glass spacers to the device glass plate; and singulating the glass spacers, window plate, and device glass plate to produce the MEMS housings.Type: ApplicationFiled: March 20, 2019Publication date: January 7, 2021Applicant: Obsidian Sensors, Inc.Inventors: John HONG, Tallis CHANG, Edward CHAN, Bing WEN, Yaoling PAN, Kenji NOMURA
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Publication number: 20200407219Abstract: A method of manufacturing an electromechanical systems structure includes manufacturing sub-micron structural features. In some embodiments, the structural features are less than the lithographic limit of a lithography process.Type: ApplicationFiled: March 14, 2019Publication date: December 31, 2020Applicant: Obsidian Sensors, Inc.Inventors: John HONG, Tallis CHANG, Edward CHAN, Bing WEN, Yaoling PAN, Sean ANDREWS
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Patent number: 10222265Abstract: Methods and devices are disclosed for sensing radiation emitted by an object. For example, one device includes a substrate and a movable layer coupled to the substrate. The movable layer is configured to receive radiation from the object and move relative to the substrate to a position in response to a change in temperature. The device also includes a sensor that is configured to produce a signal responsive to the position of the movable layer. The signal is indicative of the radiation emitted by the object.Type: GrantFiled: August 19, 2016Date of Patent: March 5, 2019Assignee: OBSIDIAN SENSORS, INC.Inventors: Edward Chan, Bing Wen
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Publication number: 20180169648Abstract: A disposable measurement tip for an instrument for measuring at least one parameter of a sample, the measurement tip comprising; a tip body; a filling channel in the tip body for holding the sample to be analyzed and having an opening on one end of the tip body to receive the sample; a population of micro-particles held within the tip body filling channel and which can be mixed with the sample when the sample is received in the filling channel; wherein in use the sample in the tip is illuminated by the instrument and the illumination which impinges on the micro-particles is directed back, by the micro-particles, to the instrument to be detected and to thereby enable the at least one parameter to be determined.Type: ApplicationFiled: April 30, 2015Publication date: June 21, 2018Inventors: Dieter Wilhelm TRAU, Bing Wen TAN
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Patent number: 9936129Abstract: Techniques are disclosed for generating a high resolution image from a plurality of images captured from a plurality of sensors. The pixels in one sensor have at least one of different size, shape, or orientation than pixels in another sensor. The difference in size, shape, or orientation of the pixels and the interconnection of pixels on respective sensors provides a high level of certainty that there will be sufficient difference in the captured images, with limited loss in image content, to generate a relatively high resolution image from the images captured by the respective sensors.Type: GrantFiled: June 15, 2016Date of Patent: April 3, 2018Assignee: OBSIDIAN SENSORS, INC.Inventors: Bing Wen, Edward Chan, Shen-Ge Wang, Jian Ma, John Hong
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Publication number: 20180052056Abstract: Methods and devices are disclosed for sensing radiation emitted by an object. For example, one device includes a substrate and a movable layer coupled to the substrate. The movable layer is configured to receive radiation from the object and move relative to the substrate to a position in response to a change in temperature. The device also includes a sensor that is configured to produce a signal responsive to the position of the movable layer. The signal is indicative of the radiation emitted by the object.Type: ApplicationFiled: August 19, 2016Publication date: February 22, 2018Inventors: Edward Chan, Bing Wen
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Patent number: 9898974Abstract: This disclosure provides systems, methods and apparatus for a display drive scheme without a reset. In one aspect, a first voltage can be applied to an electrode of a display unit to position a movable element from a first position towards a second position, and a second voltage can be applied to the electrode of the display unit to position the movable element to the second position.Type: GrantFiled: February 23, 2015Date of Patent: February 20, 2018Assignee: SnapTrack, Inc.Inventors: Bing Wen, Edward Keat Leem Chan
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Publication number: 20170366747Abstract: Techniques are disclosed for generating a high resolution image from a plurality of images captured from a plurality of sensors. The pixels in one sensor have at least one of different size, shape, or orientation than pixels in another sensor. The difference in size, shape, or orientation of the pixels and the interconnection of pixels on respective sensors provides a high level of certainty that there will be sufficient difference in the captured images, with limited loss in image content, to generate a relatively high resolution image from the images captured by the respective sensors.Type: ApplicationFiled: June 15, 2016Publication date: December 21, 2017Inventors: Bing Wen, Edward Chan, Shen-Ge Wang, Jian Ma, John Hong
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Patent number: 9811923Abstract: Systems, methods and apparatus, including computer programs encoded on computer storage media, for displaying high bit-depth images using spatial vector screening and/or temporal dithering on display devices including display elements that have multiple primary colors. The systems, methods and apparatus described herein are configured to assign one of the primary colors to a display element of the display device that corresponds to the image pixel based on a rank order and a partition index of an associated screen element of a stochastic screen associated with the display device or a portion thereof.Type: GrantFiled: September 24, 2015Date of Patent: November 7, 2017Assignee: SnapTrack, Inc.Inventors: Shen-Ge Wang, Jian Jim Ma, Songhe Cai, Marek Mienko, Bing Wen
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Patent number: 9715156Abstract: Various implementations described herein involve interferometric modulators (IMODs), which may be single-mirror IMODs (SMIs). Such IMODs may include an absorber stack and a mirror stack. The absorber stack and the mirror stack may define a gap therebetween and may be capable of being positioned in a plurality of positions relative to one another to form a plurality of gap heights. A hinge area may physically connect the mirror stack and an anchor area. Some such IMODs have hinge areas without any metal layer. However, the hinge area may be capable of forming an electrical connection with at least one metal layer of the mirror stack. For example, such IMODs may have a hinge area that includes a non-metal conductor.Type: GrantFiled: March 18, 2015Date of Patent: July 25, 2017Assignee: QUALCOMM IncorporatedInventors: Tallis Young Chang, Yaoling Pan, Bing Wen, Edward Keat Leem Chan