Patents by Inventor Chih-Hsien Chou
Chih-Hsien Chou 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: 20240118178Abstract: A staining kit is provided, including a first pattern including antibodies against T cell, B cell, NK cell, monocyte, regulatory cell, CD8, CD45, and CTLA4; a second pattern including antibodies against T cell, B cell, NK cell, monocyte, regulatory cell, dendritic cell, and CD45; a third pattern including antibodies against T cell, B cell, NK cell, monocyte, CD8, CD45, CD45RA, CD62L, CD197, CX3CR1 and TCR??; and a fourth pattern including antibodies against B cell, CD23, CD38, CD40, CD45 and IgM, wherein the antibodies of each pattern are labeled with fluorescent dyes. A method of identifying characterized immune cell subsets of a disease and a method of predicting the likelihood of NPC in a subject in the need thereof using the staining kit are also provided.Type: ApplicationFiled: October 5, 2022Publication date: April 11, 2024Applicant: FULLHOPE BIOMEDICAL CO., LTD.Inventors: Jan-Mou Lee, Li-Jen Liao, Yen-Ling Chiu, Chih-Hao Fang, Kai-Yuan Chou, Pei-Hsien Liu, Cheng-Yun Lee
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Patent number: 11956869Abstract: A display driver circuit for controlling a display panel having a plurality of light-emission diode (LED) strings includes a plurality of current regulators and a control circuit. Each of the plurality of current regulators is configured to control one of the plurality of LED strings. The control circuit, coupled to the plurality of current regulators, is configured to generate a plurality of pulses in a plurality of pulse width modulation (PWM) signals and output each of the plurality of PWM signals to a respective current regulator among the plurality of current regulators. Wherein, the plurality of pulses are scrambled.Type: GrantFiled: October 12, 2022Date of Patent: April 9, 2024Assignee: NOVATEK Microelectronics Corp.Inventors: Chih-Hsien Chou, Jhih-Siou Cheng, Jin-Yi Lin, Ren-Chieh Yang
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Publication number: 20240112612Abstract: A display driver and a driving method thereof is disclosed. The display driver includes at least one first latch, at least one second latch, an output buffer, and a comparator. The first latch receives input data. The input terminal of the second latch is coupled to the output terminal of the first latch. The output buffer, including at least one variable current source, is coupled to the second latch. The comparator is coupled to the first latch, the second latch, and the variable current source. The comparator generates at least one control signal of the variable current source.Type: ApplicationFiled: December 4, 2023Publication date: April 4, 2024Inventors: JHIH-SIOU CHENG, YEN-RU KUO, CHIH-HSIEN CHOU
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Publication number: 20240088182Abstract: In some embodiments, an image sensor is provided. The image sensor includes a photodetector disposed in a semiconductor substrate. A wave guide filter having a substantially planar upper surface is disposed over the photodetector. The wave guide filter includes a light filter disposed in a light filter grid structure. The light filter includes a first material that is translucent and has a first refractive index. The light filter grid structure includes a second material that is translucent and has a second refractive index less than the first refractive index.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Inventors: Cheng Yu Huang, Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto, Keng-Yu Chou, Wei-Chieh Chiang, Wen-Chien Yu, Ting-Cheng Chang, Wen-Hau Wu, Chih-Kung Chang
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Publication number: 20240079268Abstract: The present disclosure, in some embodiments, relates to a method of forming an integrated chip structure. The method may be performed by forming a plurality of interconnect layers within a first interconnect structure disposed over an upper surface of a first semiconductor substrate. An edge trimming process is performed to remove parts of the first interconnect structure and the first semiconductor substrate along a perimeter of the first semiconductor substrate. The edge trimming process results in the first semiconductor substrate having a recessed surface coupled to the upper surface by way of an interior sidewall disposed directly over the first semiconductor substrate. A dielectric capping structure is formed onto a sidewall of the first interconnect structure after performing the edge trimming process.Type: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Inventors: Chih-Hui Huang, Cheng-Hsien Chou, Cheng-Yuan Tsai, Kuo-Ming Wu, Sheng-Chan Li
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Publication number: 20240079485Abstract: A high electron mobility transistor device including a channel layer, a first barrier layer, and a P-type gallium nitride layer is provided. The first barrier layer is disposed on the channel layer. The P-type gallium nitride layer is disposed on the first barrier layer. The first thickness of the first barrier layer located directly under the P-type gallium nitride layer is greater than the second thickness of the first barrier layer located on two sides of the P-type gallium nitride layer.Type: ApplicationFiled: October 27, 2022Publication date: March 7, 2024Applicant: Powerchip Semiconductor Manufacturing CorporationInventors: Jih-Wen Chou, Chih-Hung Lu, Bo-An Tsai, Zheng-Chang Mu, Po-Hsien Yeh, Robin Christine Hwang
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Patent number: 11900896Abstract: A source driver includes a plurality of output terminals and a plurality of driving channels. Each of the plurality of driving channels is coupled to an output terminal among the plurality of output terminals and includes an output buffer, an output enable switch and a charge sharing circuit. The output enable switch is coupled between the output buffer and the corresponding output terminal. The charge sharing circuit is coupled to the corresponding output terminal. Wherein, the charge sharing circuits of at least two of the plurality of driving channels are commonly coupled to a charge sharing bus.Type: GrantFiled: August 5, 2022Date of Patent: February 13, 2024Assignee: NOVATEK Microelectronics Corp.Inventors: Jhih-Siou Cheng, Yen-Kai Chen, Jui-Chan Chang, Chih-Hsien Chou
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Patent number: 11881136Abstract: A display driver and a driving method thereof is disclosed. The display driver includes at least one first latch, at least one second latch, an output buffer, and a comparator. The first latch receives input data. The input terminal of the second latch is coupled to the output terminal of the first latch. The output buffer, including at least one variable current source, is coupled to the second latch. The comparator is coupled to the first latch, the second latch, and the variable current source. The comparator generates at least one control signal of the variable current source.Type: GrantFiled: December 28, 2021Date of Patent: January 23, 2024Assignee: Novatek Microelectronics Corp.Inventors: Jhih-Siou Cheng, Yen-Ru Kuo, Chih-Hsien Chou
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Patent number: 11856668Abstract: A driving method, for a controller in a display apparatus, is disclosed. The display apparatus includes LED strings, scan transistors, current regulators and a power converter. The driving method includes following steps. LED cathode voltages are detected on nodes between the LED strings and the current regulators. When a first LED cathode voltage corresponding to a first scanning channel is equal to a minimal operable voltage of the current regulators and a second LED cathode voltage corresponding to a second scanning channel exceeds the minimal operable voltage of the current regulators, a voltage drop over one corresponding scan transistor is increased on the second scanning channel.Type: GrantFiled: November 29, 2022Date of Patent: December 26, 2023Assignee: NOVATEK Microelectronics Corp.Inventors: Jhih-Siou Cheng, Chih-Hsien Chou, Ren-Chieh Yang
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Patent number: 11856669Abstract: A driving method, for a controller in a display apparatus, is disclosed. The display apparatus includes LED strings, scan transistors, current regulators and a power converter. The driving method includes following steps. LED cathode voltages are detected on nodes between the LED strings and the current regulators. When a first LED cathode voltage is equal to a minimal operable voltage of the current regulators and a second LED cathode voltage exceeds the minimal operable voltage of the current regulators, a driving current flowing through the second data channel is adjusted by increasing a pulse current level of the driving current and reducing a duty cycle ratio of the driving current flowing through the second data channel.Type: GrantFiled: November 29, 2022Date of Patent: December 26, 2023Assignee: NOVATEK Microelectronics Corp.Inventors: Jhih-Siou Cheng, Chih-Hsien Chou, Ren-Chieh Yang
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Publication number: 20230387937Abstract: The disclosure provides a digital-to-analog conversion device and an operation method thereof. The digital-to-analog conversion device includes a digital-to-analog conversion circuit and a slew rate enhancement circuit. The digital-to-analog conversion circuit is configured to convert a digital code into an analog voltage. An output terminal of the digital-to-analog conversion circuit outputs the analog voltage to a load circuit. A control terminal of the slew rate enhancement circuit is coupled to the digital-to-analog conversion circuit to receive a control voltage following the analog voltage. The slew rate enhancement circuit is coupled to the output terminal of the digital-to-analog conversion circuit. The slew rate enhancement circuit enhances the slew rate at the output terminal of the digital-to-analog conversion circuit based on the control voltage.Type: ApplicationFiled: May 30, 2022Publication date: November 30, 2023Applicant: Novatek Microelectronics Corp.Inventors: Jhih-Siou Cheng, Chih-Hsien Chou, Chieh-An Lin
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Patent number: 11817654Abstract: A connector unit includes a contact module received within an insulative housing. The contact module includes an upper contact unit and a lower contacts unit stacked with each other. Each of the upper contact unit and the lower contact unit includes a front/outer contact part and a rear/inner contact part each including plural contacts integrally formed with plural insulative transverse bars via insert-molding. The contacts include plural differential pair signal contacts and plural grounding contacts alternately arranged with each other along a transverse direction. Plural grounding bars are attached to corresponding transverse bars, respectively, wherein each grounding bar include plural tabs mechanically and electrically connecting to the corresponding grounding contacts. Each grounding bar is equipped with a plastic attachment tie bar to cooperate with a corresponding transverse bar to sandwich the grounding bar therebetween for securement.Type: GrantFiled: July 7, 2021Date of Patent: November 14, 2023Assignees: FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Terrance F. Little, Patrick R. Casher, An-Jen Yang, Chih-Hsien Chou
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Publication number: 20230269845Abstract: A display driver circuit for controlling a display panel having a plurality of light-emission diode (LED) strings includes a plurality of current regulators and a control circuit. Each of the plurality of current regulators is configured to control one of the plurality of LED strings. The control circuit, coupled to the plurality of current regulators, is configured to generate a plurality of pulses in a plurality of pulse width modulation (PWM) signals and output each of the plurality of PWM signals to a respective current regulator among the plurality of current regulators. Wherein, the plurality of pulses are scrambled.Type: ApplicationFiled: October 12, 2022Publication date: August 24, 2023Applicant: NOVATEK Microelectronics Corp.Inventors: Chih-Hsien Chou, Jhih-Siou Cheng, Jin-Yi Lin, Ren-Chieh Yang
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Patent number: 11715910Abstract: An electrical connector includes an insulative housing with plural passageways arranged in a hexagonal dense manner. Plural signal contacts and grounding contacts are disposed in the corresponding passageways, respectively, in a mixed manner wherein each pair of signal contacts are surrounded by eight grounding contacts. Some grounding contacts are aligned with one another along a row direction and linked together via a transverse bar, and a pair of extensions extend from the two opposite ends of the transverse bar in a column direction perpendicular to the row direction so as to have the pair of signal contacts essentially fully enclosed and shielded within a region with the boundary defined by a combination of the grounding contacts and the transverse bars.Type: GrantFiled: August 13, 2021Date of Patent: August 1, 2023Assignees: FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Shan-Yong Cheng, Chih-Hsien Chou, Fang-Jwu Liao, Chun-Yu Chao
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Publication number: 20230206801Abstract: A display driver and a driving method thereof is disclosed. The display driver includes at least one first latch, at least one second latch, an output buffer, and a comparator. The first latch receives input data. The input terminal of the second latch is coupled to the output terminal of the first latch. The output buffer, including at least one variable current source, is coupled to the second latch. The comparator is coupled to the first latch, the second latch, and the variable current source. The comparator generates at least one control signal of the variable current source.Type: ApplicationFiled: December 28, 2021Publication date: June 29, 2023Inventors: JHIH-SIOU CHENG, YEN-RU KUO, CHIH-HSIEN CHOU
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Publication number: 20230138843Abstract: A source driver includes a plurality of output terminals and a plurality of driving channels. Each of the plurality of driving channels is coupled to an output terminal among the plurality of output terminals and includes an output buffer, an output enable switch and a charge sharing circuit. The output enable switch is coupled between the output buffer and the corresponding output terminal. The charge sharing circuit is coupled to the corresponding output terminal. Wherein, the charge sharing circuits of at least two of the plurality of driving channels are commonly coupled to a charge sharing bus.Type: ApplicationFiled: August 5, 2022Publication date: May 4, 2023Applicant: NOVATEK Microelectronics Corp.Inventors: Jhih-Siou Cheng, Yen-Kai Chen, Jui-Chan Chang, Chih-Hsien Chou
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Publication number: 20220115818Abstract: An electrical connector assembly includes an upper connector unit and a lower connector unit in a vertical direction. Each connector unit includes a contact module received within an insulative housing. The contact module includes an upper contact unit and a lower contacts unit stacked with each other. Each of the upper contact unit and the lower contact unit includes a front/outer contact part and a rear/inner contact part each including a plurality contacts essentially composed of a plurality of differential-pair signal contacts and a plurality of grounding contacts alternately arranged with each other in a the transverse direction wherein the differential-pair signal contacts are stamped and formed from sheet metal and successively integrally formed with a plurality of insulative transverse bars via insert-molding while the grounding contacts are directly blanked from sheet metal and associated with corresponding shielding plates assembled to the insulative transverse bar.Type: ApplicationFiled: October 11, 2021Publication date: April 14, 2022Inventors: TERRANCE F. LITTLE, PATRICK R. CASHER, CHIH-HSIEN CHOU, AN-JEN YANG
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Publication number: 20220052490Abstract: An electrical connector includes an insulative housing with plural passageways arranged in a hexagonal dense manner. Plural signal contacts and grounding contacts are disposed in the corresponding passageways, respectively, in a mixed manner wherein each pair of signal contacts are surrounded by eight grounding contacts. Some grounding contacts are aligned with one another along a row direction and linked together via a transverse bar, and a pair of extensions extend from the two opposite ends of the transverse bar in a column direction perpendicular to the row direction so as to have the pair of signal contacts essentially fully enclosed and shielded within a region with the boundary defined by a combination of the grounding contacts and the transverse bars.Type: ApplicationFiled: August 13, 2021Publication date: February 17, 2022Inventors: SHAN-YONG CHENG, CHIH-HSIEN CHOU, FANG-JWU LIAO, CHUN-YU CHAO
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Publication number: 20220021158Abstract: A connector unit includes a contact module received within an insulative housing. The contact module includes an upper contact unit and a lower contacts unit stacked with each other. Each of the upper contact unit and the lower contact unit includes a front/outer contact part and a rear/inner contact part each including plural contacts integrally formed with plural insulative transverse bars via insert-molding. The contacts include plural differential pair signal contacts and plural grounding contacts alternately arranged with each other along a transverse direction. Plural grounding bars are attached to corresponding transverse bars, respectively, wherein each grounding bar include plural tabs mechanically and electrically connecting to the corresponding grounding contacts. Each grounding bar is equipped with a plastic attachment tie bar to cooperate with a corresponding transverse bar to sandwich the grounding bar therebetween for securement.Type: ApplicationFiled: July 7, 2021Publication date: January 20, 2022Inventors: TERRANCE F. LITTLE, PATRICK R. CASHER, AN-JEN YANG, CHIH-HSIEN CHOU
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Patent number: RE49901Abstract: An electrical connector includes an insulative housing defining a front cavity for receiving and a rear cavity, a terminal assembly assembled in the rear cavity, and a ground member. The terminal assembly includes an upper terminal module, a lower terminal module sandwiching a shielding module therebetween. Said The upper terminal module includes a pair of upper ground terminals. Said The lower terminal module includes a plurality of lower ground terminals. Said The shielding module includes a metallic shielding plate. The ground member is associated with the shielding module to mechanically and electrically connect at least one of the upper ground terminals and the lower ground terminals with the shielding plate.Type: GrantFiled: July 29, 2021Date of Patent: April 2, 2024Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Terrance F. Little, Chih-Hsien Chou, Chun-Hsiung Hsu, Kuei-Chung Tsai