Patents by Inventor Chun Han
Chun Han 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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Patent number: 12379751Abstract: A synchronizing hinge includes a rotating module and a bracket plate unit. The rotating module includes two support units pivotably mounted to a base seat. Each support unit has a first support piece, a second support piece pivotably connected with the first support piece, and a moving axle extending through the first support piece and an arcuate slot of the second support piece and movably received in a moving slot of the base seat. The bracket plate unit includes two first bracket plates securely connected with the first support piece, and two second bracket plates securely connected with the second support piece. The support units and the bracket plate unit are rotatable between an initial position where the first bracket plates are flush with the second bracket plates, and a terminal position where the first bracket plates are inclined relative to the second bracket plates by an inclined angle.Type: GrantFiled: August 2, 2023Date of Patent: August 5, 2025Assignee: FOSITEK CORPORATIONInventor: Chun-Han Lin
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Patent number: 12373381Abstract: The USB HUB chip comprises at least a first USB transceiver, a second USB transceiver, a data bit insertion unit, a high-speed routing module and a re-synchronization unit before transmitting. Before a serial data valid signal is asserted, inserted data is inserted into serial data and then transmitted to the high-speed routing module, and the data and a clock are re-synchronized before transmitting to complete internal data transmission. According to the invention, a 480 MHz clock does not need to be synchronously transmitted with the serial data, high-frequency radiation is reduced, time sequence mismatching between the serial data and a global clock does not need to be considered, the difficulty of wiring and layout design is reduced, valid serial data bits do not need to be wasted for clock synchronization, internal delay of the HUB is reduced, long-distance wiring or expansion of more USB ports is facilitated.Type: GrantFiled: February 20, 2025Date of Patent: July 29, 2025Assignee: Nanjing Qinheng Microelectronics Co. , Ltd.Inventors: Chun Han, Xiang Ouyang, Chunhua Wang
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Patent number: 12366697Abstract: An electronic device includes a casing including an annular light-emitting area, a plurality of directly-lit light sources, a light guide plate disposed between the directly-lit light sources and the annular light-emitting area, and a light-shielding rib structure located between the directly-lit light sources, and separating any two adjacent ones of the directly-lit light sources. The light guide plate includes opposite first and second surfaces and a plurality of recessed structures recessed in the second surface. The recessed structure has a corresponding semi-conical surface, and the semi-conical surface faces a zone of the light guide plate. The directly-lit light sources face the first surface and respectively correspond to the semi-conical surfaces. Light emitted by the directly-lit light sources enters the light guide plate and is reflected by the semi-conical surfaces, passes through the zones of the light guide plate, and is transmitted to the annular light-emitting area to emit outwardly.Type: GrantFiled: September 12, 2024Date of Patent: July 22, 2025Assignee: Merry Electronics(Shenzhen) Co., Ltd.Inventors: Ching Tse Cheng, Chun-Han Chen
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Patent number: 12366794Abstract: An optical engine device with a heat dissipation function suitable for providing projection light of a projector includes a heat conductive casing, a phosphor wheel structure and a heat dissipation module. The phosphor wheel structure is disposed in the heat conductive casing. The heat dissipation module includes a channel member and a flow generation device. The channel member is disposed corresponding to the phosphor wheel structure in the heat conductive casing and has a guide channel and a nozzle extending from an outlet of the guide channel and facing a back side of the phosphor wheel structure. The flow generation device is connected to an inlet of the guide channel to generate an airflow flowing into the guide channel and passing through the nozzle for forming an impact flow toward the back side of the phosphor wheel structure.Type: GrantFiled: April 19, 2022Date of Patent: July 22, 2025Assignee: BenQ CorporationInventors: Chun-Han Lin, Chen-Cheng Huang
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Patent number: 12366898Abstract: A rotating shaft device includes a base, a rotation member, a slide member, a supporting member, and a linkage unit. The rotation member is rotatable relative to the base between a first position and a second position. The slide member is slidable relative to the base. The supporting member is pivotable relative to the base between an initial position and a supporting position. The linkage unit is convertible between a folded state and an expanded state. When the rotation member is in the first position, the linkage unit is in the folded state and the supporting member is in the initial position. When the rotation member is rotated to the second position, the slide member is urged by the rotation member to slide and to convert the linkage unit into the expanded state, and the supporting member is urged by the linkage unit to pivot to the supporting position.Type: GrantFiled: April 11, 2024Date of Patent: July 22, 2025Assignee: FOSITEK CORPORATIONInventors: Chun-Han Lin, Yung-Chih Tseng
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Publication number: 20250231594Abstract: A rotating shaft device includes a base, a rotation member, a slide member, a supporting member, and a linkage unit. The rotation member is rotatable relative to the base between a first position and a second position. The slide member is slidable relative to the base. The supporting member is pivotable relative to the base between an initial position and a supporting position. The linkage unit is convertible between a folded state and an expanded state. When the rotation member is in the first position, the linkage unit is in the folded state and the supporting member is in the initial position. When the rotation member is rotated to the second position, the slide member is urged by the rotation member to slide and to convert the linkage unit into the expanded state, and the supporting member is urged by the linkage unit to pivot to the supporting position.Type: ApplicationFiled: April 11, 2024Publication date: July 17, 2025Applicant: FOSITEK CORPORATIONInventors: Chun-Han LIN, Yung-Chih TSENG
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Publication number: 20250231593Abstract: A rotating shaft device includes a base, a rotation member, a slide member, a resistance-providing member, a supporting member, and a linkage unit. The rotation member is rotatable relative to the base between a first rotation position and a second rotation position. The slide member is slidable relative to the base between a first slide position and a second slide position. The resistance-providing member prevents the slide member from moving toward the first slide position when the slide member is in the second slide position. The supporting member is movable relative to the base between an initial position and a supporting position. The linkage unit is convertible between a folded state and an expanded state. When the rotation member is in the first rotation position, the slide member, the linkage unit, and the supporting member are respectively in the first slide position, the folded state, and the initial position.Type: ApplicationFiled: April 11, 2024Publication date: July 17, 2025Applicant: FOSITEK CORPORATIONInventors: Chun-Han LIN, Yung-Chih TSENG
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Publication number: 20250215000Abstract: A benzimidazole heteroatom-containing spiro compound and a medicinal use thereof are provided. Activity test results show that the benzimidazole heteroatom-containing spiro compound provided by the present disclosure has a significant antiproliferative activity for human liver tumor cells HepG2, human colon cancer cells HCT116, and/or human gastric adenocarcinoma cells AGS, and most of the compounds involved in the present disclosure exhibit a stronger antiproliferative activity than cisplatin and/or Nutlin-3a. Therefore, the benzimidazole heteroatom-containing spiro compound provided by the present disclosure has a prospect of being developed into an antitumor drug, such as for liver cancer, colon cancer, or gastric cancer.Type: ApplicationFiled: March 28, 2024Publication date: July 3, 2025Applicant: Changzhi UniversityInventors: Lintao WU, Xumei ZHENG, Zhijun WANG, Chun HAN, Wei GAO, Chaohua GUO
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Publication number: 20250215926Abstract: A sliding rail is adapted to be engaged with an engaging member, and includes a track and a limiting mechanism. The track includes a base wall, two side walls, and two pivoting slots. The limiting mechanism includes first and second operating members, a limiting member, and first and second connecting members. The first operating member is operable for driving the limiting member from a locked position, where the engaging member is contained in a limiting space between the limiting member and one of the side walls, to a first unlocked position, where the limiting member is rotated about the second connecting member to open the limiting space. The second operating member is operable for driving the limiting member from the locked position to a second unlocked position, where the limiting member is rotated about the first connecting member to open the limiting space.Type: ApplicationFiled: May 10, 2024Publication date: July 3, 2025Applicant: FOSITEK CORPORATIONInventors: Chun-Han LIN, Che-Wei CHANG, Hao-Ping WANG, Jia-Wei PAN
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Publication number: 20250215924Abstract: A sliding rail adapted to be engaged with an engaging member, and includes a track and a limiting mechanism. The track includes a base wall having first and second ends, and two side walls. The limiting mechanism includes an operating member, a limiting member, first and second positioning members, and a connecting member. The limiting member has a limiting body, a pivoting portion, and two limiting portions. The operating member is formed with a linking slot that has a first linking slot end, a second linking slot end, and a linking slot tip. The limiting body has two pivoting slots. The operating member is operable to drive the limiting member to move among a locked position where the engaging member is contained in a limiting space, and first and second unlocked positions which opens the limiting space, allowing the engaging member to be released from the limiting space.Type: ApplicationFiled: May 10, 2024Publication date: July 3, 2025Applicant: FOSITEK CORPORATIONInventors: Chun-Han LIN, Che-Wei CHANG, Hao-Ping WANG, Jia-Wei PAN
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Patent number: 12338926Abstract: A floating joint and retainer connection structure includes a hollow fixed retainer having one closed side formed with a through opening and radially extended sliding slot pairs; an adaptor joint having a pipe connecting and a joining section connected to the retainer and a male coupler, respectively; a first sliding member having an opening fitted on the pipe connecting section, a first slide movably engaged with the sliding slots, and a front guiding recess; a second sliding member having a bore fitted on the pipe connecting section and shaped for slidably engaging with the guiding recess; and a retaining ring fitted on the pipe connecting section and attached to the second sliding member to limit the first and second sliding members from moving axially. With the first and second sliding members, the adaptor joint can translate to correct a radial fit tolerance and be conveniently assembled to the fixed retainer.Type: GrantFiled: February 22, 2024Date of Patent: June 24, 2025Assignee: FOSITEK CORPORATIONInventors: Chun-Han Lin, Yung-Chih Tseng
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Publication number: 20250188984Abstract: A hinge connectable between a first device part and a second device part includes a base seat unit and a rotating unit. The base seat unit includes first and second base seats for connecting with the first and second device parts, respectively. A first base plate of the first base seat is formed with a moving slot having a first slot portion and a second slot portion. The rotating unit includes a rotating axle movably extending through the moving slot and rotated with the second base seat, and a cam piece rotated with the rotating axle. During rotation of the rotating axle and the cam piece with the second base seat, a first protrusion of the cam piece is moved along a lower edge of the first slot portion to bring the rotating axle into upward movement.Type: ApplicationFiled: January 31, 2024Publication date: June 12, 2025Applicant: FOSITEK CORPORATIONInventors: Chun-Han LIN, Yung-Chih Tseng, Zoen Ryon Ryan Wong
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Publication number: 20250188776Abstract: A hinge connectable between a first device part and a second device part includes a base seat unit and a rotating unit. The base seat unit includes first and second base seat for connecting with the first and second device parts. A base plate of the first base seat is formed with a moving slot having a first slot portion and a second slot portion. The rotating unit includes a rotating axle movably extending through the moving slot and rotated with the second base seat, a linkage pivotally connected between the base plate and the rotating axle, and a cam piece rotated with the rotating axle. During rotation of the rotating axle and the cam piece with the second base seat, a first protrusion of the cam piece is moved along a lower edge of the first slot portion to bring the rotating axle into an upward movement.Type: ApplicationFiled: January 31, 2024Publication date: June 12, 2025Applicant: FOSITEK CORPORATIONInventors: Chun-Han LIN, Yung-Chih TSENG, Zoen Ryon Ryan WONG
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Patent number: 12313927Abstract: A decoration panel includes a first substrate, a first transparent conductive element, a transparent structure, a second substrate, a second transparent conductive element, and a first cholesteric liquid crystal layer. The first transparent conductive element is disposed on the first substrate. The transparent structure is disposed on the first substrate. The second substrate is disposed opposite to the first substrate. The second transparent conductive element is disposed on the second substrate. The first cholesteric liquid crystal layer is disposed between the first transparent conductive element and the second transparent conductive element. A display apparatus is adapted to render a decoration pattern, and the decoration pattern corresponds to the transparent structure. Moreover, a display apparatus including the decoration panel is also provided.Type: GrantFiled: November 20, 2023Date of Patent: May 27, 2025Assignee: AUO CorporationInventors: Chien-Chuan Chen, Wei-Jen Su, Hsin Chiang Chiang, Chun-Han Lee, Peng-Yu Chen, Ko-Ruey Jen, Yung-Chih Chen
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Patent number: 12317538Abstract: In an embodiment, a device includes: a gate electrode; a epitaxial source/drain region adjacent the gate electrode; one or more inter-layer dielectric (ILD) layers over the epitaxial source/drain region; a first source/drain contact extending through the ILD layers, the first source/drain contact connected to the epitaxial source/drain region; a contact spacer surrounding the first source/drain contact; and a void disposed between the contact spacer and the ILD layers.Type: GrantFiled: January 2, 2024Date of Patent: May 27, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chun-Han Chen, Chen-Ming Lee, Fu-Kai Yang, Mei-Yun Wang
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Publication number: 20250165034Abstract: A foldable electronic apparatus includes a flexible display, a housing unit, and a supporting device. The supporting device includes a flexible first supporting plate, a flexible second supporting plate, and a plurality of supporting members. Each of the supporting members has a first end portion that is connected to the first supporting plate, a second end portion that is connected to the second supporting plate, and a main body portion that has two opposite sides respectively connected to the first end portion and the second end portion. The supporting device is operable to convert between a first state, in which two opposite sides of the supporting device are distal from each other, and a second state, in which the supporting device is folded along a folding axis such that the opposite sides of the supporting device are proximate to each other.Type: ApplicationFiled: February 8, 2024Publication date: May 22, 2025Applicant: FOSITEK CORPORATIONInventors: Chun-Han LIN, Yung-Chih TSENG
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Publication number: 20250151899Abstract: A sliding rail device includes a first rail, a second rail and two supporting units. The first rail includes a first base wall, and two first side walls cooperating with the first base wall to define a first passage. Each of the first side walls has an engaging slot. The second rail engages the first passage, is movable relative to the first rail, and includes a second base wall and two second side walls. The two supporting units respectively and movably engage the engaging slots of the first side walls, and abut respectively and slidably against the second side walls. During movement of the second rail relative to the first rail, the supporting units are driven to respectively move along the engaging slots of the first side walls, and to move toward each other to tighten abutment of the supporting units against the second side walls.Type: ApplicationFiled: January 31, 2024Publication date: May 15, 2025Applicant: FOSITEK CORPORATIONInventors: An-Szu HSU, Chun-Han LIN, Chia-Hung SU, Mo-Yu ZHANG
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Publication number: 20250151897Abstract: A sliding rail device includes a first rail, a second rail and two supporting units. The first rail includes a first base wall and two first side walls cooperating with the first base wall to define a first passage. The first base wall has two engaging slots respectively adjacent to the first side walls. The second rail engages the first passage, is movable relative to the first rail, and includes a second base wall and two second side walls. The supporting units respectively and movably engage the engaging slots, and respectively and slidably abut against the first side walls and the second side walls. During movement of the second rail relative to the first rail, the supporting units are driven to respectively move along the engaging slots, and to move toward each other to tighten abutment of the supporting units against the second side walls.Type: ApplicationFiled: January 31, 2024Publication date: May 15, 2025Applicant: FOSITEK CORPORATIONInventors: Chun-Han LIN, Che-Wei Chang, Jia-Wei Pan, Hao-Ping Wang
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Publication number: 20250149268Abstract: A key structure of electronic device including a substrate, a light source disposed on the substrate, an elastic member disposed on the substrate, and a key cap disposed on the elastic member is provided. The elastic member has a tunnel for passing light generated by the light source and projecting toward the key cap. An inner diameter of the tunnel gradually expands from the light source toward the key cap.Type: ApplicationFiled: November 29, 2023Publication date: May 8, 2025Applicant: Merry Electronics(Shenzhen) Co., Ltd.Inventors: Chun-Han Chen, Tien-Fu Huang, Chih Wei Wang, Wan Hsiu Hsieh
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Patent number: D1082493Type: GrantFiled: October 26, 2023Date of Patent: July 8, 2025Assignee: Fositek CorporationInventors: Chun Han Lin, Che Wei Chang