Patents by Inventor Yu-Cheng Chang
Yu-Cheng Chang 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: 20250120230Abstract: An optical structure is provided. The optical structure includes a substrate, a light-emitting element, a glue layer, and a light-adjusting element. The light-emitting element is disposed on the substrate. The glue layer covers the light-emitting element. The light-adjusting element is disposed on the glue layer. Moreover, the refractive index of the glue layer is different from the refractive index of the light-adjusting element.Type: ApplicationFiled: August 21, 2024Publication date: April 10, 2025Inventors: Shu-Ching PENG, Yu-Hsi SUNG, Jung-Cheng CHANG, Wei-Chung CHENG, Yin-Cyuan WU, Sheng-Fu WANG, Wen-Yu LEE
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Patent number: 12273840Abstract: A Bluetooth voice communication system includes: a Bluetooth host device arranged to operably conduct voice communication with a remote device; a first Bluetooth member device arranged to operably generate a left-channel voice data according to sounds captured by a first sound receiving circuit, and arranged to operably utilize a first Bluetooth communication circuit to transmit the left-channel voice data to the Bluetooth host device; and a second Bluetooth member device arranged to operably generate a right-channel voice data according to sounds captured by a second sound receiving circuit, and arranged to operably utilize a second Bluetooth communication circuit to transmit the right-channel voice data to the Bluetooth host device. The Bluetooth host device generates a stereo voice data based on the left-channel voice data and the right-channel voice data, and utilizes a signal transceiver circuit to transmit the stereo voice data to the remote device.Type: GrantFiled: September 7, 2022Date of Patent: April 8, 2025Assignee: REALTEK SEMICONDUCTOR CORP.Inventors: Yu Hsuan Liu, Qing Gu, Bi Wei, Hung Chuan Chang, Yi-Cheng Chen
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Patent number: 12272595Abstract: A method includes depositing a mask layer over a dielectric layer, patterning the mask layer to form a trench, applying a patterned photo resist having a portion over the mask layer, and etching the dielectric layer using the patterned photo resist as an etching mask to form a via opening, which is in a top portion of the dielectric layer. The method further includes removing the patterned photo resist, and etching the dielectric layer to form a trench and a via opening underlying and connected to the trench. The dielectric layer is etched using the mask layer as an additional etching mask. A polymer formed in at least one of the trench and the via opening is removed using nitrogen and argon as a process gas. The trench and the via opening are filled to form a metal line and a via, respectively.Type: GrantFiled: November 8, 2021Date of Patent: April 8, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Hao Chen, Che-Cheng Chang, Wen-Tung Chen, Yu-Cheng Liu, Horng-Huei Tseng
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Patent number: 12272022Abstract: The quality of a frame sequence is enhanced by a booster engine collaborating with a first stage circuit. The first stage circuit adjusts the quality degradation of the frame sequence when a condition in constrained resources is detected. The quality degradation includes at least one of uneven resolution and uneven frame per second (FPS). The booster engine receives the frame sequence from the first stage circuit, and generates an enhanced frame sequence based on the frame sequence for transmission to a second stage circuit.Type: GrantFiled: August 24, 2022Date of Patent: April 8, 2025Assignee: MediaTek Inc.Inventors: Yao-Sheng Wang, Pei-Kuei Tsung, Chiung-Fu Chen, Wai Mun Wong, Chao-Min Chang, Yu-Sheng Lin, Chiani Lu, Chih-Cheng Chen
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Publication number: 20250111869Abstract: A memory circuit includes a memory array comprising a plurality of non-volatile memory cells, wherein the non-volatile memory cells are arranged along a plurality of access lines that extend along a lateral direction. The memory circuit includes a first access circuit physically disposed on a first side of the memory array in the lateral direction. The memory circuit includes a second access circuit physically disposed on a second side of the memory array in the lateral direction, the second side being opposite to the first side. When each of the non-volatile memory cells is configured to be programmed by at least a first current and a second current, the first current and second current flow through a first path and a second path, respectively. The first path at least comprises a portion on the first side and the second path at least comprises a portion on the second side.Type: ApplicationFiled: January 5, 2024Publication date: April 3, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tung-Cheng Chang, Yu-Fan Lin, Ku-Feng Lin, Perng-Fei Yuh, Yih Wang
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Publication number: 20250113566Abstract: Various embodiments include protection layers for a transistor and methods of forming the same. In an embodiment, a method includes: exposing a semiconductor nanostructure, a dummy nanostructure, and an isolation region by removing a dummy gate; increasing a deposition selectivity between a top surface of the semiconductor nanostructure and a top surface of the isolation region relative a selective deposition process; depositing a protection layer on the top surface of the isolation region by performing the selective deposition process; removing the dummy nanostructure by selectively etching a dummy material of the dummy nanostructure at a faster rate than a protection material of the protection layer; and forming a gate structure around the semiconductor nanostructure.Type: ApplicationFiled: October 2, 2023Publication date: April 3, 2025Inventors: Yu-Ting Chen, Tai-Jung Kuo, Mu-Chieh Chang, Zhen-Cheng Wu, Sung-En Lin, Tze-Liang Lee
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Publication number: 20250107234Abstract: A display device has a display area and a peripheral area, and includes an array substrate. The array substrate includes M number of pixel unit columns disposed in the display area and a first dummy electrode disposed in the peripheral area, where M is a positive integer greater than or equal to 2. The M number of pixel unit columns include a first pixel unit column to an Mth pixel unit column arranged in sequence. Each of the M number of pixel unit columns includes a plurality of pixel units arranged in sequence. The first dummy electrode is located on one side of the first pixel unit column. During a frame period, the first pixel unit column receives the first pixel signal, and the first dummy electrode receives the first dummy signal. The polarity of the first pixel signal is different from that of the first dummy signal.Type: ApplicationFiled: July 1, 2024Publication date: March 27, 2025Inventors: Chung-Lin CHANG, Hsuan-Chen LIU, Yu-Cheng LIN, Chen-Hao SU
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Publication number: 20250091524Abstract: Disclosed in the present disclosure is a screen bracket and a vehicle-mounted rotating screen. The screen bracket includes a rotating base, a connecting shaft, and a limiting member. A first end of the connecting shaft is connected to a display screen, a second end of the connecting shaft rotatably connected to the rotating base, the second end of the connecting shaft defines a plurality of locating holes. The limiting member is fixed to the rotating base, the limiting member has a telescopic rod, and the telescopic rod is disposed towards the connecting shaft. When the connecting shaft rotates to a specified rotation angle, a corresponding locating hole is facing the telescopic rod, and the telescopic rod is configured to clamp the corresponding locating hole in an extended state and detach the corresponding locating hole in a retracted state.Type: ApplicationFiled: November 17, 2023Publication date: March 20, 2025Inventors: YU-SHENG CHANG, CHI-CHENG WEN, WEN-BIN HUANG, HSIU-FU LI, YU-CHIH CHENG
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Publication number: 20250075880Abstract: A backlight module, including a reflective plate and a plurality of light-emitting units. The reflective plate is provided with a reflective side. The light-emitting units are provided on the reflective side. The reflective plate includes a substrate and a reflective layer. The reflective layer covers the substrate. The reflective side is divided by the reflective layer into a first region and a second region surrounding the first region, and the reflectivity of the second region is greater than that of the first region.Type: ApplicationFiled: May 3, 2024Publication date: March 6, 2025Inventor: Yu-Cheng Chang
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Publication number: 20250074247Abstract: The present disclosure provides a smart pole charging system and a monitoring method. The database system initiates a configuration according to an original environmental status. The charging module is connected with an electric vehicle and provides the electrical energy to the electric vehicle. The monitoring module monitors a real-time environmental status around corresponding smart pole. The calculating module recognizes the real-time environmental status and outputs a calculation result. The router receives the calculation result. The cloud platform is communicated with the router and the database system. The router transmits the calculation result to the cloud platform through an open charge point protocol.Type: ApplicationFiled: October 18, 2023Publication date: March 6, 2025Inventors: Ting-Chi Chang, Chun-Ta Chen, Che-Hsien Lien, Yu-Cheng Lee, Tien-Chun Wang, Chun-Wei Hu
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Publication number: 20250076580Abstract: A photonic integrated circuit structure includes a semiconductor substrate. A waveguide is disposed above the semiconductor substrate and has an inclined plane. A mirror coating layer is conformally disposed on the inclined plane. A cladding layer covers the waveguide and the mirror coating layer. A hole is disposed in the semiconductor substrate or the cladding layer, and the hole overlaps the inclined plane in a vertical direction. In addition, an optical fiber is disposed in the hole to receive a reflected light from the mirror coating layer.Type: ApplicationFiled: August 31, 2023Publication date: March 6, 2025Applicant: Vanguard International Semiconductor CorporationInventors: Ming-Cheng Lo, Jui-Chun Chang, Shih-Chang Huang, Wu-Hsi Lu, Yu-Che Tsai, Shih-Hao Liu, Yen-Shih Ho
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Publication number: 20250072299Abstract: An electronic device includes a substrate, a hyperbolic magnet, a pair of depletion gates, a pair of barrier gates and a accumulation gate. The hyperbolic magnet is over the substrate and has a first magnet portion and a second magnet portion separated from each other. The first magnet portion and the second magnet portion have a first convex surface and a second convex surface facing the first convex surface, respectively. The depletion gates are separated from each other and between the first convex surface and the second convex surface over the substrate. The barrier gates are between the depletion gates. The accumulation gate is over the depletion gates and between the barrier gates.Type: ApplicationFiled: August 24, 2023Publication date: February 27, 2025Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., NATIONAL TAIWAN UNIVERSITYInventors: Che-Hao CHANG, Jiun-Yun LI, Yu-Cheng LI, Yu-Jul WU
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Patent number: 12237851Abstract: A switching circuit and a method of providing the switching circuit are provided. The switching circuit includes a first transmission amplifier, a second transmission amplifier, a third transmission amplifier, and a fourth transmission amplifier. The first transmission amplifier amplifies a first signal at a first connection port and transmits the first signal to a second connection port in a first mode. The second transmission amplifier amplifies a second signal at a third connection port and transmits the second signal to a fourth connection port in the first mode. The third transmission amplifier amplifies the first signal at the first connection port and transmits the first signal to the fourth connection port in the second mode. The fourth transmission amplifier amplifies the second signal at the third connection port and transmits the second signal to the second connection port in the second mode.Type: GrantFiled: December 16, 2022Date of Patent: February 25, 2025Assignee: Industrial Technology Research InstituteInventors: Yu-Teng Chang, Yu-Cheng Hsu
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Publication number: 20250056097Abstract: The present disclosure relates to a system and a method for stream distribution. The method includes: determining a viewer to be a helper viewer with respect to a content type; determining a distributor to have engaged in the content type in a stream; and suggesting the distributor to invite the viewer into the stream.Type: ApplicationFiled: July 6, 2024Publication date: February 13, 2025Inventors: Wei-Kun LU, Yu-Cheng FAN, Chia-Han CHANG, Hung-Kuang TAI
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Patent number: 12221779Abstract: A flushing switch device with automatic pressing stroke detection is provided, which is applied to the flushing switches of a toilet. The flushing switch device with automatic pressing stroke detection includes a capacitive sensor, an actuator, and a protector. The capacitive sensor senses a user's hand movements to generate a sensing signal. The actuator includes a driver and a pressing mechanism; the driver drives the pressing mechanism to press one of the flushing switches. The protector includes a detector and a controller; the detector detects a load variation during an operation of the actuator to generate a detection signal; the controller receives the sensing signal and correspondingly generates a control signal to control the actuator according to the sensing signal and the detection signal.Type: GrantFiled: March 13, 2023Date of Patent: February 11, 2025Assignee: Taiwan Name Plate Co., Ltd.Inventors: Wen-Cheng Yin, Fu-Jung Cheng, Ho-Chuan Hsu, Yu-Hsun Tseng, Chao-Chin Chang, Kai-Li Peng
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Publication number: 20250047919Abstract: A method for facilitating streamer interaction with a viewer includes extracting a history topic based on an activity record of the viewer; calculating a score of each of the history topics based on at least one parameter; and generating a topic suggestion based on the history topic and the score which is corresponding to the history topic, and providing the topic suggestion to the streamer. The method is suitable for providing a topic suggestion (or interact topic suggestion) with respect to the viewer to the streamer via a live-streaming platform executed by a computing device. Thereby, the method can be used for facilitating streamer interaction with viewers and provides an appropriate topic suggestion. In addition, a computing device and a computer-readable storage medium which are capable of implementing the method are also provided.Type: ApplicationFiled: January 24, 2024Publication date: February 6, 2025Inventors: YUNG-CHI HSU, CHI-WEI LIN, SHAO-TANG CHIEN, WEI-HSIANG HUNG, WEI-KUN LU, YU-CHENG FAN, CHIA-HAN CHANG, HUNG-KUANG TAI
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Publication number: 20250035623Abstract: A biosensor system package includes: a transistor structure in a semiconductor layer having a front side and a back side, the transistor structure comprising a channel region; a buried oxide (BOX) layer on the back side of the semiconductor layer, wherein the buried oxide layer has an opening on the back side of the channel region, and an interface layer covers the back side over the channel region; a multi-layer interconnect (MLI) structure on the front side of the semiconductor layer, the transistor structure being electrically connected to the MLI structure; and a cap structure attached to the buried oxide layer, the cap structure comprising a microneedle.Type: ApplicationFiled: July 30, 2024Publication date: January 30, 2025Inventors: Allen Timothy Chang, Jui-Cheng Huang, Wen-Chuan Tai, Yu-Jie Huang
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Publication number: 20250040190Abstract: A semiconductor structure including a substrate, a capacitor, and an oxide semiconductor field effect transistor (OSFET). The capacitor is located on the substrate. The oxide semiconductor field effect transistor is located on the substrate. The oxide semiconductor field effect transistor is electrically connected to the capacitor.Type: ApplicationFiled: November 30, 2023Publication date: January 30, 2025Applicant: Powerchip Semiconductor Manufacturing CorporationInventors: Shou-Zen Chang, Yu-Chang Lin, Min-Cheng Chen
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Publication number: 20250038743Abstract: An isolated selector and an associated electronic device are provided. The isolated selector receives first data and second data from a first functional circuit and a second functional circuit, respectively, and the isolated selector includes an isolated component, wherein the isolated component receives the first data and generates isolated data according to a control signal and the first data. In addition, the isolated selector selects one of the first data and the second data to be output as output data of the isolated selector. When the isolated selector selects the second data to be output as the output data according to the control signal, the isolated component set the isolated data to be a fixed value according to the control signal, in order to prevent operations of the first functional circuit from interfering with the output data of the isolated selector.Type: ApplicationFiled: July 22, 2024Publication date: January 30, 2025Applicant: Realtek Semiconductor Corp.Inventors: Yu-Cheng Lo, Shu-Yu Chang
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Publication number: 20250040075Abstract: A computing device include a chassis, a mounting ear, a lever, and a locking unit. The chassis holds one or more electronic devices and is insertable into a rack, such as a server rack. The mounting ear is coupled to the chassis. The lever is rotatably coupled to the mounting ear and is rotatable between a first position and a second position. In the first position, the lever engages the rack to prevent the chassis from being removed. In the second position, the lever disengages the rack and allows the chassis to be removed. The locking unit is coupled to the mounting ear and transitions between locked and unlocked states. In the locked state, the locking unit secures the lever in the first position. In the unlocked state, the lever is movable from the first position to the second position.Type: ApplicationFiled: October 30, 2023Publication date: January 30, 2025Inventors: Yaw-Tzorng TSORNG, Ming-Lung WANG, Hung-Wei CHEN, Yu-Cheng CHANG, Pei-Jung HSIEH