Patents by Inventor Tsung-Ting Wu
Tsung-Ting Wu 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: 20250212544Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes a carrier conducting layer having a first surface; an absorption region is doped with a first dopant having a first conductivity type and a first peak doping concentration, wherein the carrier conducting layer is doped with a second dopant having a second conductivity type and a second peak doping concentration, wherein the carrier conducting layer comprises a material different from a material of the absorption region, wherein the carrier conducting layer is in contact with the absorption region to form at least one heterointerface, wherein a ratio between the first peak doping concentration of the absorption region and the second peak doping concentration of the carrier conducting layer is equal to or greater than 10; and a first electrode and a second electrode both formed over the first surface of the carrier conducting layer.Type: ApplicationFiled: March 11, 2025Publication date: June 26, 2025Inventors: Yen-Cheng Lu, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen, Chih-Wei Yeh
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Publication number: 20250172378Abstract: Systems, apparatuses, and methods for improved reconfigurable optical sensing are provided. For instance, an example optical sensing apparatus can include a photodetector array including a plurality of photodetectors. The optical sensing apparatus can include circuitry or one or more processing devices configured to receive one or more electrical signals representing an optical signal received by a first subset of the plurality of photodetectors; determine, based on the one or more electrical signals, a region of interest in the photodetector array for optical measurements; and deactivate, based on the region of interest, a second subset of the plurality of photodetectors of the photodetector array.Type: ApplicationFiled: January 29, 2025Publication date: May 29, 2025Inventors: Chih-Wei Yeh, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen
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Publication number: 20250142987Abstract: Methods, devices, and systems for optical sensing are provided. In one aspect, an optical sensing apparatus includes: a first absorption region configured to absorb light in at least a first spectrum with visible or near infrared wavelengths; a second absorption region formed over the first absorption region, the second absorption region configured to absorb light in at least a second spectrum with near infrared or shortwave infrared wavelengths; and a third absorption region formed over the second absorption region, the third absorption region configured to absorb light in at least a third spectrum with shortwave infrared or mid-wave infrared wavelengths.Type: ApplicationFiled: August 29, 2024Publication date: May 1, 2025Inventors: Yun-Chung Na, You-Ru Lin, Tsung-Ting Wu, Yu-Hsuan Liu
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Patent number: 12278252Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes a carrier conducting layer having a first surface; an absorption region is doped with a first dopant having a first conductivity type and a first peak doping concentration, wherein the carrier conducting layer is doped with a second dopant having a second conductivity type and a second peak doping concentration, wherein the carrier conducting layer comprises a material different from a material of the absorption region, wherein the carrier conducting layer is in contact with the absorption region to form at least one heterointerface, wherein a ratio between the first peak doping concentration of the absorption region and the second peak doping concentration of the carrier conducting layer is equal to or greater than 10; and a first electrode and a second electrode both formed over the first surface of the carrier conducting layer.Type: GrantFiled: August 27, 2021Date of Patent: April 15, 2025Assignee: Artilux, Inc.Inventors: Yen-Cheng Lu, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen, Chih-Wei Yeh
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Patent number: 12256578Abstract: An optical sensing apparatus including: a substrate including a first material; an absorption region including a second material different from the first material; an amplification region formed in the substrate and configured to collect at least a portion of the photo-carriers from the absorption region and to amplify the portion of the photo-carriers; an interface-dopant region formed in the substrate between the absorption region and the amplification region; a buffer layer formed between the absorption region and the interface-dopant region; one or more field-control regions formed between the absorption region and the interface-dopant region and at least partially surrounding the buffer layer; and a buried-dopant region formed in the substrate and separated from the absorption region, where the buried-dopant region is configured to collect at least a portion of the amplified portion of the photo-carriers from the amplification region.Type: GrantFiled: October 2, 2024Date of Patent: March 18, 2025Assignee: Artilux, Inc.Inventors: Yen-Cheng Lu, Yu-Hsuan Liu, Jung-Chin Chiang, Yun-Chung Na, Tsung-Ting Wu, Zheng-Shun Liu, Chou-Yun Hsu
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Patent number: 12241740Abstract: Systems, apparatuses, and methods for improved reconfigurable optical sensing are provided. For instance, an example optical sensing apparatus can include a photodetector array including a plurality of photodetectors. The optical sensing apparatus can include circuitry or one or more processing devices configured to receive one or more electrical signals representing an optical signal received by a first subset of the plurality of photodetectors; determine, based on the one or more electrical signals, a region of interest in the photodetector array for optical measurements; and deactivate, based on the region of interest, a second subset of the plurality of photodetectors of the photodetector array.Type: GrantFiled: September 9, 2021Date of Patent: March 4, 2025Assignee: ARTILUX, INC.Inventors: Chih-Wei Yeh, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen
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Publication number: 20250031466Abstract: An optical sensing apparatus including: a substrate including a first material; an absorption region including a second material different from the first material; an amplification region formed in the substrate and configured to collect at least a portion of the photo-carriers from the absorption region and to amplify the portion of the photo-carriers; an interface-dopant region formed in the substrate between the absorption region and the amplification region; a buffer layer formed between the absorption region and the interface-dopant region; one or more field-control regions formed between the absorption region and the interface-dopant region and at least partially surrounding the buffer layer; and a buried-dopant region formed in the substrate and separated from the absorption region, where the buried-dopant region is configured to collect at least a portion of the amplified portion of the photo-carriers from the amplification region.Type: ApplicationFiled: October 2, 2024Publication date: January 23, 2025Inventors: Yen-Cheng Lu, Yu-Hsuan Liu, Jung-Chin Chiang, Yun-Chung Na, Tsung-Ting Wu, Zheng-Shun Liu, Chou-Yun Hsu
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Publication number: 20240413189Abstract: A method for manufacturing one or more optical sensor packages includes forming a bonded wafer by bonding (i) a device wafer comprising a plurality of optical sensing pixels and (ii) a circuit wafer comprising application-specific-integrated-circuit configured to operate the optical sensing pixels, where the bonded wafer includes a device-wafer surface and a circuit-wafer surface. The method also includes forming a plurality of microlens arrays over the device-wafer surface, where each microlens of the microlens arrays corresponds to a particular optical sensing pixel. The method also includes forming a plurality of module-lens structures over the plurality of microlens arrays, where each module-lens structure corresponds to a particular microlens array of the plurality of microlens arrays. The method also includes forming electrical contacts over the circuit-wafer surface to establish electrical connections to the plurality of optical sensing pixels and the application-specific-integrated-circuit.Type: ApplicationFiled: June 3, 2024Publication date: December 12, 2024Inventors: Yun-Chung Na, Yu-Hsuan Liu, Yi-Chuan Teng, Tsung-Ting Wu
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Publication number: 20240280407Abstract: Systems, apparatuses, and methods for multi-application optical sensing are provided. For example, an optical sensing apparatus can include a photodetector array, a first circuitry, and a second circuitry. The photodetector array includes a plurality of photodetectors, wherein a first subset of the plurality of photodetectors are configured as a first region for detecting a first optical signal, and a second subset of the plurality of photodetectors are configured as a second region for detecting a second optical signal. The first circuitry, coupled to the first region, is configured to perform a first function based on the first optical signal to output a first output result. The second circuitry, coupled to the second region, is configured to perform a second function based on the second optical signal to output a second output result.Type: ApplicationFiled: May 1, 2024Publication date: August 22, 2024Inventors: Chih-Wei Yeh, Hung-Chih Chang, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen
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Patent number: 12007280Abstract: Systems, apparatuses, and methods for multi-application optical sensing are provided. For example, an optical sensing apparatus can include a photodetector array, a first circuitry, and a second circuitry. The photodetector array includes a plurality of photodetectors, wherein a first subset of the plurality of photodetectors are configured as a first region for detecting a first optical signal, and a second subset of the plurality of photodetectors are configured as a second region for detecting a second optical signal. The first circuitry, coupled to the first region, is configured to perform a first function based on the first optical signal to output a first output result. The second circuitry, coupled to the second region, is configured to perform a second function based on the second optical signal to output a second output result.Type: GrantFiled: March 6, 2023Date of Patent: June 11, 2024Assignee: ARTILUX, INC.Inventors: Chih-Wei Yeh, Hung-Chih Chang, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen
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Publication number: 20230369518Abstract: An optical sensing apparatus including: a substrate including a first material; an absorption region including a second material different from the first material; an amplification region formed in the substrate and configured to collect at least a portion of the photo-carriers from the absorption region and to amplify the portion of the photo-carriers; an interface-dopant region formed in the substrate between the absorption region and the amplification region; a buffer layer formed between the absorption region and the interface-dopant region; one or more field-control regions formed between the absorption region and the interface-dopant region and at least partially surrounding the buffer layer; and a buried-dopant region formed in the substrate and separated from the absorption region, where the buried-dopant region is configured to collect at least a portion of the amplified portion of the photo-carriers from the amplification region.Type: ApplicationFiled: July 14, 2023Publication date: November 16, 2023Inventors: Yen-Cheng Lu, Yu-Hsuan Liu, Jung-Chin Chiang, Yun-Chung Na, Tsung-Ting Wu, Zheng-Shun Liu, Chou-Yun Hsu
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Publication number: 20230204423Abstract: Systems, apparatuses, and methods for multi-application optical sensing are provided. For example, an optical sensing apparatus can include a photodetector array, a first circuitry, and a second circuitry. The photodetector array includes a plurality of photodetectors, wherein a first subset of the plurality of photodetectors are configured as a first region for detecting a first optical signal, and a second subset of the plurality of photodetectors are configured as a second region for detecting a second optical signal. The first circuitry, coupled to the first region, is configured to perform a first function based on the first optical signal to output a first output result. The second circuitry, coupled to the second region, is configured to perform a second function based on the second optical signal to output a second output result.Type: ApplicationFiled: March 6, 2023Publication date: June 29, 2023Inventors: Chih-Wei Yeh, Hung-Chih Chang, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen
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Patent number: 11624653Abstract: Systems, apparatuses, and methods for multi-application optical sensing are provided. For example, an optical sensing apparatus can include a photodetector array, a first circuitry, and a second circuitry. The photodetector array includes a plurality of photodetectors, wherein a first subset of the plurality of photodetectors are configured as a first region for detecting a first optical signal, and a second subset of the plurality of photodetectors are configured as a second region for detecting a second optical signal. The first circuitry, coupled to the first region, is configured to perform a first function based on the first optical signal to output a first output result. The second circuitry, coupled to the second region, is configured to perform a second function based on the second optical signal to output a second output result.Type: GrantFiled: September 9, 2021Date of Patent: April 11, 2023Assignee: ARTILUX, INC.Inventors: Chih-Wei Yeh, Hung-Chih Chang, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen
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Publication number: 20220178753Abstract: Systems, apparatuses, and methods for multi-application optical sensing are provided. For example, an optical sensing apparatus can include a photodetector array, a first circuitry, and a second circuitry. The photodetector array includes a plurality of photodetectors, wherein a first subset of the plurality of photodetectors are configured as a first region for detecting a first optical signal, and a second subset of the plurality of photodetectors are configured as a second region for detecting a second optical signal. The first circuitry, coupled to the first region, is configured to perform a first function based on the first optical signal to output a first output result. The second circuitry, coupled to the second region, is configured to perform a second function based on the second optical signal to output a second output result.Type: ApplicationFiled: September 9, 2021Publication date: June 9, 2022Inventors: Chih-Wei Yeh, Hung-Chih Chang, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen
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Patent number: 11340398Abstract: A waveguide structure includes a first surface having a first width, a second surface having a second width, the second surface being opposite to the first surface, and a sidewall surface connecting the first surface and the second surface. The first width is greater than the second width.Type: GrantFiled: October 24, 2019Date of Patent: May 24, 2022Assignee: ARTILUX, INC.Inventors: Szu-Lin Cheng, Chien-Yu Chen, Han-Din Liu, Chia-Peng Lin, Chung-Chih Lin, Yun-Chung Na, Pin-Tso Lin, Tsung-Ting Wu, Yu-Hsuan Liu, Kuan-Chen Chu
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Publication number: 20220136817Abstract: Systems, apparatuses, and methods for improved reconfigurable optical sensing are provided. For instance, an example optical sensing apparatus can include a photodetector array including a plurality of photodetectors. The optical sensing apparatus can include circuitry or one or more processing devices configured to receive one or more electrical signals representing an optical signal received by a first subset of the plurality of photodetectors; determine, based on the one or more electrical signals, a region of interest in the photodetector array for optical measurements; and deactivate, based on the region of interest, a second subset of the plurality of photodetectors of the photodetector array.Type: ApplicationFiled: September 9, 2021Publication date: May 5, 2022Inventors: Chih-Wei Yeh, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen
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Patent number: 11271132Abstract: Structures and techniques introduced here enable the design and fabrication of photodetectors (PDs) and/or other electronic circuits using typical semiconductor device manufacturing technologies meanwhile reducing the adverse impacts on PDs' performance. Examples of the various structures and techniques introduced here include, but not limited to, a pre-PD homogeneous wafer bonding technique, a pre-PD heterogeneous wafer bonding technique, a post-PD wafer bonding technique, their combinations, and a number of mirror equipped PD structures. With the introduced structures and techniques, it is possible to implement PDs using typical direct growth material epitaxy technology while reducing the adverse impact of the defect layer at the material interface caused by lattice mismatch.Type: GrantFiled: April 14, 2020Date of Patent: March 8, 2022Assignee: Artilux, Inc.Inventors: Chien-Yu Chen, Szu-Lin Cheng, Chieh-Ting Lin, Yu-Hsuan Liu, Ming-Jay Yang, Shu-Lu Chen, Tsung-Ting Wu, Chia-Peng Lin, Yun-Chung Na, Hui-Wen Chen, Han-Din Liu
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Publication number: 20210391370Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes a carrier conducting layer having a first surface; an absorption region is doped with a first dopant having a first conductivity type and a first peak doping concentration, wherein the carrier conducting layer is doped with a second dopant having a second conductivity type and a second peak doping concentration, wherein the carrier conducting layer comprises a material different from a material of the absorption region, wherein the carrier conducting layer is in contact with the absorption region to form at least one heterointerface, wherein a ratio between the first peak doping concentration of the absorption region and the second peak doping concentration of the carrier conducting layer is equal to or greater than 10; and a first electrode and a second electrode both formed over the first surface of the carrier conducting layer.Type: ApplicationFiled: August 27, 2021Publication date: December 16, 2021Inventors: Yen-Cheng Lu, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen, Chih-Wei Yeh
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Publication number: 20200313029Abstract: Structures and techniques introduced here enable the design and fabrication of photodetectors (PDs) and/or other electronic circuits using typical semiconductor device manufacturing technologies meanwhile reducing the adverse impacts on PDs' performance. Examples of the various structures and techniques introduced here include, but not limited to, a pre-PD homogeneous wafer bonding technique, a pre-PD heterogeneous wafer bonding technique, a post-PD wafer bonding technique, their combinations, and a number of mirror equipped PD structures. With the introduced structures and techniques, it is possible to implement PDs using typical direct growth material epitaxy technology while reducing the adverse impact of the defect layer at the material interface caused by lattice mismatch.Type: ApplicationFiled: April 14, 2020Publication date: October 1, 2020Inventors: Chien-Yu Chen, Szu-Lin Cheng, Chieh-Ting Lin, Yu-Hsuan Liu, Ming-Jay Yang, Shu-Lu Chen, Tsung-Ting Wu, Chia-Peng Lin, Yun-Chung Na, Hui-Wen Chen, Han-Din Liu
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Publication number: 20200274017Abstract: An optoelectronic device includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type different from the first conductivity type, and a photoelectric conversion region between the first semiconductor region and the second semiconductor region. The photoelectric conversion region is of a third conductivity type the same as the first conductivity type.Type: ApplicationFiled: February 21, 2020Publication date: August 27, 2020Inventors: Yun-Chung Na, Yen-Cheng Lu, Yu-Hsuan Liu, Chung-Chih Lin, Tsung-Ting Wu, Szu-Lin Cheng