Patents by Inventor Chien Hua Chen
Chien Hua Chen 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: 20240216912Abstract: A microfluidic device is described. The microfluidic device comprises a reaction chamber and a temperature control module overlaying the reaction chamber. The temperature control module comprises a temperature regulating flow channel disposed between two layers and in thermal contact with the reaction chamber, and wherein at least a portion of each layer comprises an optically transparent material. Also described is a method of manufacturing a microfluidic device and a method of controlling temperature of a reaction in a microfluidic device.Type: ApplicationFiled: April 30, 2021Publication date: July 4, 2024Applicant: Hewlett-Packard Development Company, L.P.Inventors: Michael Cumbie, Viktor Shkolnikov, Chien-Hua Chen
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Publication number: 20240214852Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus is a UE. The UE receives, from a base station, a measurement configuration for measuring cross-link interference (CLI) in a subband full-duplexing (SBFD) slot and a reporting configuration for reporting the CLI. The UE performs measurements of the CLI on measurement resources indicated by the measurement configuration. The UE reports an indication of the measured CLI to the base station according to the reporting configuration.Type: ApplicationFiled: December 19, 2023Publication date: June 27, 2024Inventors: Rama Kiran, Chandrasekaran Mohandoss, Jinesh Parameshwaran Nair, Chien-Hua Chen, Yih-Shen Chen
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Publication number: 20240192599Abstract: A photo-definable hydrophobic composition (“composition”) is presented. The composition can include from about 0.01 wt % to about 20 wt % of a polyether modified siloxane and from about 80 wt % to about 99.99 wt % of a polymeric photoresist. The polymeric photoresist can be selected from an epoxy-based photoresist, a bisbenzocyclobutene-based photoresist, a polyimide-based photoresist, a polybenzoxazole-based photoresist, a polyimide-polybenzoxazole-based photoresist, an admixture, or a combination thereof.Type: ApplicationFiled: April 15, 2021Publication date: June 13, 2024Applicant: Hewlett-Packard Development Company, L.P.Inventors: Bo Song, Chien-Hua Chen, Michael G. Groh
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Publication number: 20240178967Abstract: Apparatus and methods are provided downlink and uplink CSI and power control for subband full duplex (SBFD) system. In one novel aspect, two CSI-RS configurations are configured for DL CSI, one for the DL-only slots and one for the SBFD slots. In one embodiment, the UE performs channel estimation individually using the CSI-RS configured for the DL-only slots and the SBFD slots. In another embodiment, the CSI-RS signals are periodic or aperiodic. The periodicity of CSI-RS for SBFD slots and DL-only slots are different. In one embodiment, the UE receives a first SRS configuration for UL-only slots and a second SRS configuration for the SBFD slots, transmits the SRS signals on UL-only slots and SBFD slots based on the first SRS configuration and the second SRS configuration. In another novel aspect, the UE receives two different sets of power control parameters for UL-only slots and the SBFD slots.Type: ApplicationFiled: November 13, 2023Publication date: May 30, 2024Inventors: Chandrasekaran Mohandoss, Chien-Hua Chen, Yih-Shen Chen
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Patent number: 11975468Abstract: In various examples, a printbar is formed from multiple modular fluid ejection subassemblies joined together through a molding process that provides for a continuous planar substrate surface. A mold may secure the modular fluid ejection subassemblies during a molding process in which a runner conveys a molding material to seams between the joined modular fluid ejection subassemblies.Type: GrantFiled: July 26, 2019Date of Patent: May 7, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Chien-Hua Chen, Si-lam J. Choy, Michael W. Cumbie
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Publication number: 20240116055Abstract: An example digital microfluidic device can include a hydrophobic electrowetting surface including an array of electrodes. The individual electrodes can have a shape with three or more sides. The array of electrodes can include a parking electrode and an adjacent electrode that is adjacent to the parking electrode. A cover can be positioned over the electrowetting surface at a gap distance sufficient to accommodate a liquid droplet between the cover and the electrowetting surface. A plurality of droplet barriers can be positioned on three or more sides of the parking electrode. The droplet barriers can constrain movement of a liquid droplet from the parking electrode to the adjacent electrode.Type: ApplicationFiled: October 6, 2022Publication date: April 11, 2024Applicant: Hewlett-Packard Development Company, L.P.Inventors: Michael W. Cumbie, Chien-Hua Chen, Viktor Shkolnikov
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Patent number: 11954847Abstract: An image identification method is provided, including: storing at least one normal state image of at least one test object; an automatic codec receiving the at least one normal state image to become a trained automatic codec; at least one camera device capturing at least one state image of the at least one test object; a computer device receiving the at least one state image, and the trained automatic codec performing feature extraction and reconstruction on the at least one state image to generate at least one reconstructed state image; and the computer device comparing the at least one state image and the at least one reconstructed state image, and determining whether the at least one state image is a normal state image. The present invention also provides an image identification system.Type: GrantFiled: June 23, 2021Date of Patent: April 9, 2024Assignee: TUL CORPORATIONInventors: Wen Jyi Hwang, Chien Hua Chen, Chien Wei Chen
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Publication number: 20240100849Abstract: A fluid-ejection die cartridge includes a cartridge body. The fluid-ejection die cartridge includes a fluid-ejection die fluidically attached to the cartridge body. The fluid-ejection die is to eject fluid. The fluid-ejection die cartridge includes a stamped nanoceramic layer on an exposed fluid-ejection nozzle plate of the fluid-ejection die attached to the cartridge body.Type: ApplicationFiled: April 14, 2020Publication date: March 28, 2024Applicant: Hewlett-Packard Development Company, L.P.Inventors: Chien-Hua Chen, Michael G Groh, Bo Song
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Patent number: 11904312Abstract: The present disclosure is drawn to microfluidic devices. A microfluidic device can include a substrate, a lid mounted to the substrate, and a microchip mounted to the substrate. The lid mounted to the substrate can form a discrete microfluidic chamber between structures including an interior surface of the lid and a portion of the substrate. The lid can include an inlet and a vent positioned relative to one another to facilitate loading of fluid to the discrete microfluidic chamber via capillary action. A portion of the microchip can be positioned within the discrete microfluidic chamber.Type: GrantFiled: November 22, 2017Date of Patent: February 20, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Hilary Ely, Adam Higgins, Rachel M. White, Erik D. Torniainen, Tod Woodford, Michael W. Cumbie, Chien-Hua Chen
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Publication number: 20240032886Abstract: An equipment for monitoring physiological status of a user includes a sound detection unit, a chest detection unit, an abdomen detection unit, and a control unit. The sound detection unit is configured to detect sound of breath and to generate a sound detection signal based on the sound of breath. The chest detection unit is configured to detect a parameter related to movement of a chest and to generate a chest detection signal based on the detection. The abdomen detection unit is configured to detect a parameter related to movement of an abdomen and to generate an abdomen detection signal based on the detection. The control unit is electrically connected to the sound detection unit, the chest detection unit, and the abdomen detection unit and is configured to determine a breathing status of a user based on the sound detection signal, the chest detection signal, and the abdomen detection signal.Type: ApplicationFiled: July 27, 2023Publication date: February 1, 2024Applicant: Taipei Medical UniversityInventors: Pai-Chien Chou, Chien-Hua Chen, Ya-Ting Juang
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Publication number: 20230391086Abstract: An example device may comprise a molded structure and a dependent device coupled to the molded structure. The molded structure comprises thermo-electric traces and channels. The channels are between ten ?m and two hundred ?m, or less in one dimension. The dependent device comprises apertures corresponding to the channels and through which fluids, electromagnetic radiation, or a combination thereof is to travel. The dependent device also comprises contacts corresponding to the thermo-electric traces of the molded structure.Type: ApplicationFiled: August 23, 2023Publication date: December 7, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Chien-Hua Chen, Michael W. Cumbie, Michael G. Groh
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Patent number: 11827021Abstract: A method includes applying a mold chase to a fluid ejection die to at least partially define at least one cavity. The mold chase includes a feature to contact a fluid ejection portion of the fluid ejection die, and at least one structure separate from the feature to contact a first end portion adjacent a first end of the fluid ejection die. The method includes filling the at least one cavity with a mold compound to produce a molded carrier for the fluid ejection die.Type: GrantFiled: February 6, 2019Date of Patent: November 28, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Chien-Hua Chen, Christopher A. Leonard, Anthony M. Fuller
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Publication number: 20230356527Abstract: In various examples, a fluid ejection device may include a fluid ejection die formed with a first material and that includes a bondpad and a plurality of fluid ejectors, and a cover layer adjacent the fluid ejection die. The cover may be formed with a second material that is different than the first material and may include a first region that overlays the bondpad and a second region that overlays the plurality of fluid ejectors. In various examples, the first and second regions are separated by a break in the cover layer. The break may be filled with a third material that is different than one or both of the first and second material.Type: ApplicationFiled: July 14, 2023Publication date: November 9, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Michael W. Cumbie, Anthony M. Fuller, Chien-Hua Chen
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Patent number: 11807523Abstract: Examples include a device comprising integrated circuit dies molded into a molded panel. The molded panel has three-dimensional features formed therein, where the three-dimensional features are associated with the integrated circuit dies. To form the three-dimensional features, a feature formation material is deposited, the molded panel is formed, and the feature formation material is removed.Type: GrantFiled: September 22, 2021Date of Patent: November 7, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Chien-Hua Chen, Devin A. Mourey, Michael G. Groh
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Patent number: 11780226Abstract: A fluid ejection device can include a nozzle plate incorporating a non-coplanar surface. The non-coplanar surface can include a hydrophilic region of a hydrophilic material having a water contact angle from about 50° to about 90° and a hydrophobic coating including a hydrophobic material having a water contact angle from about 91° to about 160°.Type: GrantFiled: April 14, 2021Date of Patent: October 10, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Chien-Hua Chen, Michael G. Groh, Bo Song, Veronica Frances Burnett Krim
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Patent number: 11780227Abstract: At times, devices, such as semiconductor devices, may be attached to molded structures. The molded structure may have through holes or channels through which fluids and gasses (among other things) may travel, A number of processes exist for creating molded structures with through holes or channels. For instance, build up processes, such as lithography on dry film, may be used to create molded structures with through holes or channels. Substrate bonding and/or welding may also be used to yield molded structures with through holes or channels.Type: GrantFiled: June 25, 2019Date of Patent: October 10, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Chien-Hua Chen, Michael W Cumbie, Michael G Groh
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Patent number: 11745507Abstract: In various examples, a fluid ejection device may include a fluid ejection die formed with a first material and that includes a bondpad and a plurality of fluid ejectors, and a cover layer adjacent the fluid ejection die. The cover may be formed with a second material that is different than the first material and may include a first region that overlays the bondpad and a second region that overlays the plurality of fluid ejectors. In various examples, the first and second regions are separated by a break in the cover layer. The break may be filled with a third material that is different than one or both of the first and second material.Type: GrantFiled: April 29, 2019Date of Patent: September 5, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Michael W. Cumbie, Anthony M. Fuller, Chien-Hua Chen
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Publication number: 20230264197Abstract: A microfluidic package may include a fluid passage, a substrate having a substrate surface adjacent an interior of the fluid passage and components inset in the substrate, the components having component surfaces adjacent the fluid passage and substantially flush with the substrate surface.Type: ApplicationFiled: April 28, 2023Publication date: August 24, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Chien-Hua Chen, Michael W. Cumbie
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Publication number: 20230261036Abstract: A semiconductor device package includes a substrate, a first patterned conductive layer, a second patterned conductive layer, a dielectric layer, a third patterned conductive layer and a connector. The substrate has a top surface. The first patterned conductive layer is on the top surface of the substrate. The second patterned conductive layer contacts the first patterned conductive layer. The second patterned conductive layer includes a first portion, a second portion and a third portion. The second portion is connected between the first portion and the third portion. The dielectric layer is on the top surface of the substrate. The dielectric layer covers the first patterned conductive layer and surrounds the second portion and the third portion of the second patterned conductive layer. The first portion of the second patterned conductive layer is disposed on the dielectric layer.Type: ApplicationFiled: April 25, 2023Publication date: August 17, 2023Applicant: Advanced Semiconductor Engineering, Inc.Inventors: Chien-Hua CHEN, Teck-Chong LEE
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Patent number: 11721636Abstract: A circuit die may include an outermost circuit layer having electrical transmission routing and an alignment target overlying the outermost circuit layer.Type: GrantFiled: April 15, 2018Date of Patent: August 8, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Anthony M. Fuller, Michael W. Cumbie, Chien-Hua Chen