Patents by Inventor Chih-Chieh Wang
Chih-Chieh Wang 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: 20250150202Abstract: A method for link transition in a USB device includes transmitting a plurality of first RS-FEC blocks by a first transmitter, receiving an UNBOND set by a receiver, waking up a second transmitter by a LASM when the receiver receives the UNBOND set, transmitting a training sequence by the second transmitter, transmitting a specific pattern sequence by the second transmitter after finishing transmitting the training sequence, determining whether a current RS-FEC block to be transmitted by the first transmitter is a DESKEW block, stopping transmitting the specific pattern sequence if the current RS-FEC block is determined to be the DESKEW block, and transmitting a plurality of second RS-FEC blocks by the first transmitter and the second transmitter.Type: ApplicationFiled: November 3, 2023Publication date: May 8, 2025Applicant: MEDIATEK INC.Inventors: Yu-Cheng Chen, Chih-Chieh Wang
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Publication number: 20250150201Abstract: A method for link transitions in a Universal Serial Bus system includes transmitting a plurality of first RS-FEC blocks by a first transmitter of the USB system, transmitting a training sequence by a second transmitter of the USB system, determining number of sets in a first RS-FEC block which have been transmitted by the first transmitter when the second transmitter completes transmitting the training sequence, generating a specific pattern sequence according to the number of sets in the first RS-FEC block which have been transmitted by the first transmitter and a total number of sets in the first RS-FEC block, and transmitting the specific pattern sequence by the second transmitter.Type: ApplicationFiled: November 3, 2023Publication date: May 8, 2025Applicant: MEDIATEK INC.Inventors: Yu-Cheng Chen, Chih-Chieh Wang
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Publication number: 20250138081Abstract: A method and an apparatus for measuring linearity of a tested circuit are provided. The method includes: utilizing a signal generator to output a first tone signal and a second tone signal, wherein the tested circuit generates an intermodulation signal according to the first tone signal and the second tone signal; utilizing a signal analyzing device to detect an intermodulation power of the intermodulation signal; utilizing the signal generator to further output a cancel tone signal and control a cancel power of the cancel tone signal according to the intermodulation power; and utilizing the signal analyzing device to detect a total power of the intermodulation signal and the cancel tone signal, and controlling a phase of the cancel tone signal according to the total power, in order to minimize the total power in response to the phase of the cancel tone signal being modified to a target phase.Type: ApplicationFiled: October 25, 2024Publication date: May 1, 2025Applicant: Realtek Semiconductor Corp.Inventors: Chih-Chieh Wang, Yu-Jhang Lin
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Publication number: 20250130966Abstract: A method of synchronization in a training state of Universal Serial Bus (USB) includes sending SLOS1 ordered sets by a transmitter in a LOCK1 state, receiving the SLOS1 ordered sets by a receiver in the LOCK1 state, stopping the transmitter from sending training ordered sets according to a lane adapter state machine (LASM) if the transmitter sends the training ordered sets in the LOCK1 state continuously in an infinite loop. The training ordered sets include the SLOS1 ordered sets. The method further includes sending new SLOS1 ordered sets by the transmitter, receiving the new SLOS1 ordered sets by a receiver, and the transmitter and the receiver entering a LOCK2 state. The length of the new SLOS1 ordered sets is different from the length of the SLOS1 ordered sets.Type: ApplicationFiled: October 18, 2023Publication date: April 24, 2025Applicant: MEDIATEK INC.Inventors: Chih-Chieh Wang, Tse-Wei Wang, Yu-Cheng Chen
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Publication number: 20240363649Abstract: An electronic device having a first area and a second area adjacent to the first area is provided, which includes a flexible substrate, a first conductive layer disposed on the flexible substrate and in the first area and the second area, a semiconductor disposed on the flexible substrate and electrically connected to the first conductive layer, a second conductive layer disposed on the first conductive layer, and an organic layer disposed on the first conductive layer and in the first area and the second area. The second conductive layer has a first portion and a second portion are respectively contacted the first conductive layer in the first area. In a cross-sectional view, a first portion of the organic layer is directly contacted the first conductive layer and the second conductive layer and disposed between the first portion and the second portion of the second conductive layer.Type: ApplicationFiled: July 11, 2024Publication date: October 31, 2024Inventors: Ti-Chung CHANG, Chih-Chieh WANG, Chien-Chih CHEN
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Patent number: 12113266Abstract: A dual-band transform circuit structure includes a first transmission line, a second transmission line, and a conductive layer. The first transmission line has a first input terminal, a first output terminal, and a second output terminal. The second transmission line has a second input terminal, a third input terminal, a third output terminal, and a fourth output terminal. The second input terminal is coupled to the first output terminal, and the third input terminal is coupled to the second output terminal. The conductive layer is stacked with the first transmission and the second transmission line. The conductive layer includes a first hollow pattern. The first hollow pattern and the second transmission line are overlapped in a top view.Type: GrantFiled: September 7, 2022Date of Patent: October 8, 2024Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Tzu-Hao Hsieh, Chih-Chieh Wang
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Publication number: 20240283693Abstract: A transceiver system includes a signal generator and controller circuit, a first signal converter circuit, an attenuator circuit, and a second signal converter circuit. Signal generator and controller circuit generates a transmitting baseband signal. First signal converter circuit generates a transmitting radio frequency signal according to transmitting baseband signal. Attenuator circuit generates an attenuated radio frequency signal according to transmitting radio frequency signal. Second signal converter circuit generates an attenuation range baseband reference signal according to attenuated radio frequency signal.Type: ApplicationFiled: February 14, 2024Publication date: August 22, 2024Inventors: Tzu-Hao HSIEH, Chih-Chieh WANG
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Patent number: 12068331Abstract: An electronic device having a peripheral area and a non-peripheral area adjacent to the peripheral area is provided. The electronic device includes a flexible substrate, a first conductive layer disposed on the flexible substrate and disposed in the peripheral area and the non-peripheral area, an organic layer disposed in the non-peripheral area and on the first conductive layer, a second conductive layer disposed on the first conductive layer, and an organic structure disposed between the first conductive layer and the second conductive layer in the peripheral area. The organic layer and the organic structure are the same material layer.Type: GrantFiled: April 21, 2023Date of Patent: August 20, 2024Assignee: INNOLUX CORPORATIONInventors: Ti-Chung Chang, Chih-Chieh Wang, Chien-Chih Chen
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Publication number: 20240223289Abstract: An impedance transformation circuit and a radio frequency power reliability test system are provided. The impedance transformation circuit can be used in a radio frequency power measurement system. The radio frequency power measurement system includes a signal generator, a buffer, a device under test, an attenuator, and a spectrum analyzer. The impedance transformation circuit includes a plurality of impedance transformers, which correspond to a plurality of impedance points on a reflection coefficient circle of a Smith chart, respectively. The impedance transformers are coupled between the device under test and the attenuator in turn in a radio frequency power reliability test, and the spectrum analyzer is configured to measure an output power corresponding to each of the impedance points, such that two of the impedance points respectively corresponding to a maximum output power and a minimum output power are found by the radio frequency power measurement system.Type: ApplicationFiled: October 23, 2023Publication date: July 4, 2024Inventors: CHIA-HSIANG HSU, CHIH-CHIEH WANG
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Publication number: 20240162418Abstract: Disclosed is an anode material for a lithium-ion secondary battery, comprising: lithium titanate and a modified layer coating on the surface of the lithium titanate, wherein the modified layer is a fluorocarbon. The anode material forms a surface modification containing C—F bond on the surface of lithium oxide and can be used for the lithium electronic secondary battery, and the lithium electronic secondary battery comprises the anode material can avoid the formation of solid electrolyte layer on the surface of the electrode and obtain good conductivity and avoid gas production.Type: ApplicationFiled: February 22, 2023Publication date: May 16, 2024Applicant: CPC CORPORATION, TAIWANInventors: Jen-Hsien HUANG, Meng-Jer TSAI, Chih-Chieh WANG
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Publication number: 20240029645Abstract: A display panel and a spliced display are provided. The display panel includes a substrate, a plurality of light-emitting elements, a driving circuit, and an optical sensor. The substrate includes a through hole, and the through hole includes a hole. The plurality of the light-emitting elements are disposed on the substrate. The through hole is located in a region between two of the plurality of the light-emitting elements. The driving circuit is disposed on the substrate and electrically connected to the plurality of the light-emitting elements. The optical sensor is disposed corresponding to the through hole and receives sensing light through the hole. The width W of the hole meets the equation of H?W<D. H is the depth of the hole, and D is the distance between the two of the plurality of the light-emitting elements.Type: ApplicationFiled: October 5, 2023Publication date: January 25, 2024Applicant: Innolux CorporationInventors: Chin-Lung Ting, Chien-Chih Chen, Ti Chung Chang, Chih-Chieh Wang, Jenhung Li
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Patent number: 11817049Abstract: A display panel and a spliced display are provided. The display panel includes a substrate, a plurality of light-emitting elements, a driving circuit, and an optical sensor. The substrate includes a through hole, and the through hole includes a hole. The plurality of the light-emitting elements are disposed on the substrate. The through hole is located in a region between two of the plurality of the light-emitting elements. The driving circuit is disposed on the substrate and electrically connected to the plurality of the light-emitting elements. The optical sensor is disposed corresponding to the through hole and receives sensing light through the hole. The width W of the hole meets the equation of H?W<D. H is the depth of the hole, and D is the distance between the two of the plurality of the light-emitting elements.Type: GrantFiled: October 7, 2022Date of Patent: November 14, 2023Assignee: Innolux CorporationInventors: Chin-Lung Ting, Chien-Chih Chen, Ti Chung Chang, Chih-Chieh Wang, Jenhung Li
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Publication number: 20230261009Abstract: An electronic device having a peripheral area and a non-peripheral area adjacent to the peripheral area is provided. The electronic device includes a flexible substrate, a first conductive layer disposed on the flexible substrate and disposed in the peripheral area and the non-peripheral area, an organic layer disposed in the non-peripheral area and on the first conductive layer, a second conductive layer disposed on the first conductive layer, and an organic structure disposed between the first conductive layer and the second conductive layer in the peripheral area. The organic layer and the organic structure are the same material layer.Type: ApplicationFiled: April 21, 2023Publication date: August 17, 2023Inventors: Ti-Chung CHANG, Chih-Chieh WANG, Chien-Chih CHEN
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Patent number: 11664390Abstract: An electronic device is provided. The electronic device includes a supporting substrate, a flexible substrate disposed on the supporting substrate, a first conductive layer disposed on the flexible substrate, a second conductive layer disposed on the first conductive layer, a plurality of organic elements disposed between the first conductive layer and the second conductive layer, and an opening passing through the supporting substrate and exposing a portion of the flexible substrate. The first conductive layer alternately contacts the second conductive layer and the plurality of organic elements.Type: GrantFiled: December 2, 2020Date of Patent: May 30, 2023Assignee: INNOLUX CORPORATIONInventors: Ti-Chung Chang, Chih-Chieh Wang, Chien-Chih Chen
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Publication number: 20230071502Abstract: A dual-band transform circuit structure includes a first transmission line, a second transmission line, and a conductive layer. The first transmission line has a first input terminal, a first output terminal, and a second output terminal. The second transmission line has a second input terminal, a third input terminal, a third output terminal, and a fourth output terminal. The second input terminal is coupled to the first output terminal, and the third input terminal is coupled to the second output terminal. The conductive layer is stacked with the first transmission and the second transmission line. The conductive layer includes a first hollow pattern. The first hollow pattern and the second transmission line are overlapped in a top view.Type: ApplicationFiled: September 7, 2022Publication date: March 9, 2023Inventors: TZU-HAO HSIEH, CHIH-CHIEH WANG
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Publication number: 20230035179Abstract: A display panel and a spliced display are provided. The display panel includes a substrate, a plurality of light-emitting elements, a driving circuit, and an optical sensor. The substrate includes a through hole, and the through hole includes a hole. The plurality of the light-emitting elements are disposed on the substrate. The through hole is located in a region between two of the plurality of the light-emitting elements. The driving circuit is disposed on the substrate and electrically connected to the plurality of the light-emitting elements. The optical sensor is disposed corresponding to the through hole and receives sensing light through the hole. The width W of the hole meets the equation of H?W<D. H is the depth of the hole, and D is the distance between the two of the plurality of the light-emitting elements.Type: ApplicationFiled: October 7, 2022Publication date: February 2, 2023Applicant: Innolux CorporationInventors: Chin-Lung Ting, Chien-Chih Chen, Ti Chung Chang, Chih-Chieh Wang, Jenhung Li
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Patent number: 11501701Abstract: A display panel and a spliced display are provided. The display panel includes a substrate, a plurality of light-emitting elements, a driving circuit, and an optical sensor. The substrate includes a through hole, and the through hole includes a hole. The plurality of the light-emitting elements are disposed on the substrate. The through hole is located in a region between two of the plurality of the light-emitting elements. The driving circuit is disposed on the substrate and electrically connected to the plurality of the light-emitting elements. The optical sensor is disposed corresponding to the through hole and receives sensing light through the hole. The width W of the hole meets the equation of H?W<D. H is the depth of the hole, and D is the distance between the two of the plurality of the light-emitting elements.Type: GrantFiled: May 4, 2021Date of Patent: November 15, 2022Assignee: Innolux CorporationInventors: Chin-Lung Ting, Chien-Chih Chen, Ti Chung Chang, Chih-Chieh Wang, Jenhung Li
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Patent number: 11418223Abstract: The present disclosure provides a dual-band transformer structure, which is suitable for at least two frequencies. The dual-band transformer structure includes a metal layer, a first transmission line, a second transmission line, and a third transmission line. The first transmission line and the second transmission line are disposed on the metal layer. A first end of the second transmission line is coupled to a second end of the first transmission line. A second end of the second transmission line is aligned with an edge of the metal layer, and a first end of the third transmission line is coupled to the second end of the second transmission line. The third transmission line extends away from the edge.Type: GrantFiled: May 15, 2020Date of Patent: August 16, 2022Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Tzu-Hao Hsieh, Chih-Chieh Wang
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Publication number: 20210375199Abstract: A display panel and a spliced display are provided. The display panel includes a substrate, a plurality of light-emitting elements, a driving circuit, and an optical sensor. The substrate includes a through hole, and the through hole includes a hole. The plurality of the light-emitting elements are disposed on the substrate. The through hole is located in a region between two of the plurality of the light-emitting elements. The driving circuit is disposed on the substrate and electrically connected to the plurality of the light-emitting elements. The optical sensor is disposed corresponding to the through hole and receives sensing light through the hole. The width W of the hole meets the equation of H?W<D. H is the depth of the hole, and D is the distance between the two of the plurality of the light-emitting elements.Type: ApplicationFiled: May 4, 2021Publication date: December 2, 2021Applicant: Innolux CorporationInventors: Chin-Lung Ting, Chien-Chih Chen, Ti Chung Chang, Chih-Chieh Wang, Jenhung Li
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Patent number: 11190225Abstract: The application discloses a transmitter with self-interference calibration ability, including: a signal generation unit for generating a signal; a CORDIC for generating an amplitude modulation signal and a phase modulation signal according to the signal; phase processing unit, for generating a frequency signal according to the phase modulation signal; a DPLL, including: a DCO, self-interference calibration unit, for generating phase compensation according to the signal, a phase difference and a reference clock; and a DCO control generation unit; and an output unit, for generating an output signal according to the amplitude modulation signal and a DCO output signal.Type: GrantFiled: September 30, 2020Date of Patent: November 30, 2021Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventor: Chih-Chieh Wang