Patents by Inventor Chun-Cheng Liu
Chun-Cheng Liu 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: 12294519Abstract: A first packet flow and a second packet flow support a first protocol, a third packet flow and a fourth packet flow support a second protocol, and a priority of the first protocol is lower than a priority of the second protocol. The first packet flow and the third packet flow are transmitted from a first ingress port to a first egress port. The second packet flow and the fourth packet flow are transmitted from a second ingress port to a second egress port. When the packet processing device is in a congested state, a bandwidth modulator performs a first suppression process on the first packet flow at the first ingress port, and the bandwidth modulator performs a second suppression process on the second packet flow at the second egress port or on the third packet flow at the first ingress port.Type: GrantFiled: March 13, 2023Date of Patent: May 6, 2025Assignee: Realtek Semiconductor CorporationInventors: Kuo Cheng Lu, Chun-Ming Liu, Sheng Wen Lo
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Publication number: 20250133856Abstract: Various embodiments of the present disclosure are directed towards an image sensor including a first integrated circuit (IC) die stacked with a second IC die. The first IC die includes a plurality of photodetectors disposed within a first substrate. The second IC die includes a plurality of pixel transistors and a semiconductor capacitor disposed on a second substrate. The semiconductor capacitor includes a first capacitor electrode, a capacitor dielectric layer, and a doped capacitor region. The first capacitor electrode overlies the second substrate and comprises a protrusion disposed in the second substrate. The capacitor dielectric layer is disposed between the first capacitor electrode and the second substrate. The doped capacitor region is disposed within the second substrate and underlies the first capacitor electrode. The plurality of photodetectors, the plurality of pixel transistors, and the semiconductor capacitor define a pixel.Type: ApplicationFiled: October 19, 2023Publication date: April 24, 2025Inventors: Shen-Hui Hong, Chun-Chieh Chuang, Feng-Chi Hung, Jen-Cheng Liu
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Publication number: 20250126912Abstract: A semiconductor image-sensing structure includes a reflective grid and a reflective shield disposed over a substrate. The reflective grid is disposed in a first region, and the reflective shield is disposed in a second region separated from the first region. A thickness of the reflective shield is greater than a thickness of the reflective grid.Type: ApplicationFiled: December 26, 2024Publication date: April 17, 2025Inventors: MING-HSIEN YANG, WEN-I HSU, KUAN-FU LU, FENG-CHI HUNG, JEN-CHENG LIU, DUN-NIAN YAUNG, CHUN-HAO CHOU, KUO-CHENG LEE
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Publication number: 20250115425Abstract: A stocking vehicle is provided. The stocking vehicle is configured to perform a stocking operation to transfer a first product unit from a first location to a second location. The stocking vehicle includes a stocking component. The stocking vehicle includes a motor coupled to the stocking component to facilitate performance of the stocking operation by the stocking component. The stocking vehicle includes an energy storage device configured to supply first energy to the motor during a first state of the motor and store second energy of the motor during a second state of the motor.Type: ApplicationFiled: October 9, 2023Publication date: April 10, 2025Inventors: Chun Cheng LIU, Guancyun Li, Ching-Jung Chang, Yi-Ching Lo
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Publication number: 20250115731Abstract: A method for preparing a polyester modified material from a recycled release film includes continuously performing the following steps at an elevated temperature: subjecting the recycled release film to a first melting treatment to form a low-viscosity polyester; subjecting the low-viscosity polyester to a polymerization treatment to form a high-viscosity polyester, wherein a viscosity of the high-viscosity polyester is greater than a viscosity of the low-viscosity polyester; and adding a modifier to the high-viscosity polyester to perform a second melting treatment to form the polyester modified material.Type: ApplicationFiled: November 6, 2023Publication date: April 10, 2025Applicant: NAN YA PLASTICS CORPORATIONInventors: Te-Chao Liao, Wen-Cheng Yang, Chun-Che Tsao, Chia-Yen Hsiao, Yueh-Shin Liu
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Patent number: 12271006Abstract: Disclosed is a cost-effective method to fabricate a multifunctional collimator structure for contact image sensors to filter ambient infrared light to reduce noises. In one embodiment, an optical collimator, includes: a dielectric layer; a substrate; a plurality of via holes; and a conductive layer, wherein the dielectric layer is formed over the substrate, wherein the plurality of via holes are configured as an array along a lateral direction of a first surface of the dielectric layer, wherein each of the plurality of via holes extends through the dielectric layer and the substrate from the first surface of the dielectric layer to a second surface of the substrate in a vertical direction, and wherein the conductive layer is formed over at least one of the following: the first surface of the first dielectric layer and a portion of sidewalls of each of the plurality of via holes, and wherein the conductive layer is configured so as to allow the optical collimator to filter light in a range of wavelengths.Type: GrantFiled: August 8, 2023Date of Patent: April 8, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Hsin-Yu Chen, Yen-Chiang Liu, Jiun-Jie Chiou, Jia-Syuan Li, You-Cheng Jhang, Shin-Hua Chen, Lavanya Sanagavarapu, Han-Zong Pan, Chun-Peng Li, Chia-Chun Hung, Ching-Hsiang Hu, Wei-Ding Wu, Jui-Chun Weng, Ji-Hong Chiang, Hsi-Cheng Hsu
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Publication number: 20250092249Abstract: An alloy material of polycarbonate-polyethylene terephthalate includes the following components: a polycarbonate, a polyethylene terephthalate, a transesterification inhibitor, and a compatibilizer.Type: ApplicationFiled: October 30, 2023Publication date: March 20, 2025Applicant: NAN YA PLASTICS CORPORATIONInventors: Te-Chao Liao, Wen-Cheng Yang, Chun-Che Tsao, Chia-Yen Hsiao, Yueh-Shin Liu
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Patent number: 12253456Abstract: Disclosed is a microfluidic detection device including a circuit substrate and a transparent substrate. The circuit substrate is provided with at least one first light-emitting device used to emit a detection beam, a photodetector used to receive the detection beam and send out a sensing signal, and a control circuit electrically connected to the first light-emitting device and the photodetector. The transparent substrate overlaps the circuit substrate and is provided with a microfluidic channel and a light guide structure. The light guide structure has a light incident surface disposed corresponding to the first light-emitting device and a light exiting surface disposed corresponding to the photodetector. The light guide structure extends from each of the light incident surface and the light exiting surface to the microfluidic channel and is adapted to transmit the detection beam into and out of the microfluidic channel.Type: GrantFiled: November 30, 2022Date of Patent: March 18, 2025Assignee: AUO CorporationInventors: Shu-Jiang Liu, Chun-Cheng Hung, Wen-Jen Li, Zhi-Jain Yu, Han-Chung Lai
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Publication number: 20250057313Abstract: A slide rail assembly includes a first rail, a second rail, an elastic member, a movable member and an electronic module. The second rail is movable relative to the first rail. When the second rail is located at a retracted position relative to the first rail and when the movable member is in a locking state, the elastic member is configured to be locked to accumulate the elastic force. The electronic module includes a driving device configured to drive the movable member to switch from the locking state to an unlocking state, in order to release the elastic force of the elastic member, such that the second rail is moved from the retracted position along an opening direction relative to the first rail in response to the elastic force of the elastic member.Type: ApplicationFiled: February 7, 2024Publication date: February 20, 2025Inventors: KEN-CHING CHEN, CHUN-TA LIU, HSIN-CHENG SU, CHIH-YUAN CHANG, SHU-CHEN LIN
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Publication number: 20250048897Abstract: A display device includes a substrate, subpixel units and a thin film encapsulation structure. The subpixel units are disposed on the substrate, and each of the subpixel units includes a light emitting part and a pixel defining part surrounding the light emitting part. The thin film encapsulation structure covers the subpixel units, and includes a first encapsulation layer and a second encapsulation layer covering and in contact with the first encapsulation layer. The refractive index of the first encapsulation layer is different from that of the second encapsulation layer. The first encapsulation layer includes first microstructures, and the first microstructures are respectively disposed on the pixel defining parts. The second encapsulation layer includes second microstructures, the second microstructures are respectively disposed on the pixel defining parts, and the second microstructures are respectively fitted with the first microstructures to form distributed Bragg reflectors.Type: ApplicationFiled: November 22, 2023Publication date: February 6, 2025Inventors: Shu-Jiang LIU, Yang-Pei Hu, Chun-Cheng Hung
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Patent number: 12218164Abstract: A semiconductor image sensing structure includes a substrate having a first region and a second region, a metal grid in the first region, and a hybrid metal shield in the second region. The hybrid metal shield includes a first metallization layer, a second metallization layer disposed over the first metallization layer, a third metallization layer disposed over the second metallization layer, and a fourth metallization layer disposed over the third metallization layer. An included angle of the second metallization layer is between approximately 40° and approximately 60°.Type: GrantFiled: January 28, 2022Date of Patent: February 4, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Ming-Hsien Yang, Wen-I Hsu, Kuan-Fu Lu, Feng-Chi Hung, Jen-Cheng Liu, Dun-Nian Yaung, Chun-Hao Chou, Kuo-Cheng Lee
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Patent number: 12218372Abstract: A neck-mounted power bank is suitable for being hung on a user's neck to supply power to an electronic device. The neck-mounted power bank includes a body, a battery, and a pair of adjustable assemblies. The battery is disposed in the body. The pair of adjustable assemblies are respectively connected to two ends of the body, and define a wearing space with the body. The pair of adjustable assemblies can be rotated relative to the body so as to adjust the size of the wearing space. Each of the pair of adjustable assemblies includes a rotate arm and an angle arm. The rotate arm is rotatably connected to a corresponding end of the body. The angle arm is connected to the rotate arm and has a contact surface. The contact surface is suitable for contacting the user's neck.Type: GrantFiled: May 17, 2022Date of Patent: February 4, 2025Assignee: HTC CorporationInventors: Jia Shan Wu, Wei-Cheng Liu, Chun-Lung Chu
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Patent number: 12209433Abstract: A lock device adapted for a first object and a second object movable relative to the first object includes a slider, a driving module, a latch and a power module. The driving module can drive the slider to move between a locking position and an unlocking position. The latch is movable relative to the slider. The power module can provide electricity to the driving module. When the second object is located at a retracted position relative to the first object, the driving module can drive the slider to move to the locking position, so that the latch blocks the second object. When the driving module is not driven by the power module, the latch is driven by the second object moving in an opening direction to move from an original state to a non-original state for driving the slider to move from the locking position to the unlocking position.Type: GrantFiled: October 4, 2022Date of Patent: January 28, 2025Assignee: KING SLIDE TECHNOLOGY CO., LTD.Inventors: Ken-Ching Chen, Chun-Ta Liu, Hsin-Cheng Su, Shu-Chen Lin
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Publication number: 20240285178Abstract: Provided is an optical sensor for monitoring pulse waveform and blood pressure of a subject. The optical sensor may be manufactured with compact structure, low profile, low cost, and exhibits benefits of disposability, easy to apply, immunity to electro-magnetic interference, high sensitivity, having minimal affect towards sense of touch, maintains patient safety, and supportive of accurate real-time measurements for the clinician. Therefore, pulse waveform and blood pressures of a subject may be faithfully monitored continuously throughout day and night, so as to provide abundant prognostic information while avoiding interference in normal daily activity of the subject. Also provided is a system utilizing the optical sensors for monitoring pulse waveform and blood pressure of a subject.Type: ApplicationFiled: February 23, 2023Publication date: August 29, 2024Inventors: Wei-Chih Wang, Chun-Cheng Liu, Fiona Marie Wang, Hao-Min Cheng, Chen-Huan Chen
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Publication number: 20220083459Abstract: A verification system includes a local server, a plurality of verification platforms and a main server. A verification method includes the local server receiving program code to compile the same into a verification image, the local server selecting a verification platform from the plurality of verification platforms according to the type of the program code, the local server programming the verification image into the selected verification platform, the select platform performing a set of tests on the verification image to generate a verification report, and the main server generating an updated image according to the verification report.Type: ApplicationFiled: March 10, 2021Publication date: March 17, 2022Inventors: Chun-Cheng Liu, Cheng-Hao Li, Shih-Jan Wei
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Patent number: 10771078Abstract: A comparator offset calibration system having a comparator offset evaluator and a switched-capacitor network is disclosed, which is in an analog and digital dual domain structure. The comparator offset evaluator receives digital data from an analog-to-digital conversion module, evaluates an offset of a comparator of the analog-to-digital conversion module based on the received digital data, and outputs an evaluated result. The switched-capacitor network processes the evaluated result to generate a control signal. The analog-to-digital conversion module adjusts the offset of the comparator according to the control signal.Type: GrantFiled: April 9, 2019Date of Patent: September 8, 2020Assignee: MEDIATEK INC.Inventor: Chun-Cheng Liu
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Publication number: 20190356326Abstract: A comparator offset calibration system having a comparator offset evaluator and a switched-capacitor network is disclosed, which is in an analog and digital dual domain structure. The comparator offset evaluator receives digital data from an analog-to-digital conversion module, evaluates an offset of a comparator of the analog-to-digital conversion module based on the received digital data, and outputs an evaluated result. The switched-capacitor network processes the evaluated result to generate a control signal. The analog-to-digital conversion module adjusts the offset of the comparator according to the control signal.Type: ApplicationFiled: April 9, 2019Publication date: November 21, 2019Inventor: Chun-Cheng LIU
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Patent number: 10454435Abstract: A dynamic amplifier with a bypass design. An input pair of transistors receives a pair of differential inputs Vip and Vin and further provides first, second and third terminals. A load circuit provides a pair of differential outputs Vop and Von with the load circuit connected at a common mode terminal. In an amplification phase, a driver for amplification is coupled to the first terminal and the load circuit is coupled to the second and third terminals. A bypassing circuit is specifically provided. The bypassing circuit is coupled to the second and third terminals during a bypass period within the amplification phase.Type: GrantFiled: December 4, 2017Date of Patent: October 22, 2019Assignee: MEDIATEK INC.Inventor: Chun-Cheng Liu
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Patent number: 10128862Abstract: A Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) including: a comparing module and a calibration circuit. The comparing module is arranged to generate a first comparison result by comparing an input voltage value of the SAR ADC with a first voltage value and a second result by comparing the input voltage value with a second voltage value; the calibration circuit coupled to the comparing module is for generating a determination result determining whether the input voltage value is in a range according to the first comparison result and the second comparison result, and enters a calibration mode according to the determination result.Type: GrantFiled: January 9, 2017Date of Patent: November 13, 2018Assignee: MEDIATEK INC.Inventor: Chun-Cheng Liu
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Patent number: 10110242Abstract: An interleaving successive approximation analog-to-digital converter (SAR ADC) with noise shaping having a first SAR block, a second SAR block, and a noise-shaping circuit is provided. The first and second SAR blocks take turns to sample an input voltage for successive approximation of the input voltage and observation of a digital representation of the input voltage. The noise-shaping circuit receives a first residue voltage from the first SAR block and receives a second residue voltage from the second SAR block alternately, and outputs a noise-shaping signal to be fed into the first SAR block and the second SAR block.Type: GrantFiled: December 4, 2017Date of Patent: October 23, 2018Assignee: MEDIATEK INC.Inventor: Chun-Cheng Liu