Patents by Inventor Kuan Wu
Kuan 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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Patent number: 11658675Abstract: A successive-approximation register analog-to-digital converter (SAR ADC), a correction method and a correction system are provided. The SAR ADC generates an original weight value sequence according to multiple original weight values. The SAR ADC converts an analog time-varying signal to establish a transforming curve corresponding to the original weight values. In addition, the SAR ADC generates an offset value sequence according to an offset of the transforming curve, uses the offset value sequence to correct the original weight value sequence to generate a corrected weight value sequence, and uses multiple corrected weight values of the corrected weight sequence to improve linearity of the transforming curve.Type: GrantFiled: November 22, 2021Date of Patent: May 23, 2023Assignee: Chung Yuan Christian UniversityInventors: Shih-Lun Chen, Chun Kuan Wu, Chun Yu Lin, Wen-Shen Lo
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Publication number: 20230152713Abstract: A method for lithography in semiconductor fabrication is provided. The method includes placing a semiconductor wafer over a wafer stage. The method also includes supplying an initial voltage to a plurality of electrodes of the wafer stage based on a topology of the semiconductor wafer, wherein the electrodes of the wafer stage are electrically isolated from each other. The method further includes measuring an adjusted topology of the semiconductor wafer after the initial voltage is supplied. In addition, the method includes supplying different first adjusted voltages to the electrodes of the wafer stage according to the adjusted topology of the semiconductor wafer.Type: ApplicationFiled: January 9, 2023Publication date: May 18, 2023Inventors: Cheng-Kuan WU, Po-Chung CHENG, Li-Jui CHEN, Chih-Tsung SHIH
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Publication number: 20230147939Abstract: Embodiments maintain a data pool that includes heterogeneous data sets, and receiving a first data batch of a data set from a data source into the data pool. Embodiments determine a current state of the data set based on a data set state diagram including a plurality of data set states, and identify a condition of the first data batch. Embodiments further set a data batch state for the first data batch, based on a data batch state diagram, and update the data batch state of a prior data batch received before the first data batch, based on the condition of the first data batch. Embodiments additionally transition the data set state diagram, based on the condition of the first data batch, to an updated data set state. Embodiments maintain a data state repository storing the data set state for each of the plurality of heterogeneous data sets.Type: ApplicationFiled: November 9, 2021Publication date: May 11, 2023Inventors: Liangzhao ZENG, Ting Yu Cliff LEUNG, Yat On LAU, Jimmy HONG, Chuang YAO, Yen-Ting LIU, Ting-Kuan WU
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Patent number: 11632610Abstract: A speaker module includes a base, a speaker and a wire. The base has a bottom and a first wire fixing portion. The speaker is disposed in the base and has a second wire fixing portion. The wire is fixed to the first wire fixing portion and the second wire fixing portion to suspend the speaker in the base, and the speaker is separated from the bottom with a distance. A projection device having the speaker module is further provided.Type: GrantFiled: April 6, 2021Date of Patent: April 18, 2023Assignee: Coretronic CorporationInventors: Chao-Kuan Wu, Wei-Ping Lin
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Patent number: 11630362Abstract: A one-way glass with switching modes includes an absorbing layer located on a weak light side, a reflecting layer located on an intense light side, and a converting layer stacked between the absorbing layer and the reflecting layer. The absorbing layer absorbs first polarized light and allows second polarized light to pass through. The reflecting layer reflects the first polarized light and allows the second polarized light to pass through. Unpolarized light incident from the weak light side or from the intense light side is respectively converted into the polarized light. During the process of gradually adjusting the converting layer from a twisted state to a vertical state, rotated angles of polarization directions of the first polarized light and the second polarized light gradually decrease.Type: GrantFiled: June 17, 2022Date of Patent: April 18, 2023Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Chun-Ta Wang, Heng-Yi Tseng, Cheng-Chang Li, Li-Min Chang, Kuan-Wu Lin, Hung-Chang Jau
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Publication number: 20230108759Abstract: A successive-approximation register analog-to-digital converter (SAR ADC), a correction method and a correction system are provided. The SAR ADC generates an original weight value sequence according to multiple original weight values. The SAR ADC converts an analog time-varying signal to establish a transforming curve corresponding to the original weight values. In addition, the SAR ADC generates an offset value sequence according to an offset of the transforming curve, uses the offset value sequence to correct the original weight value sequence to generate a corrected weight value sequence, and uses multiple corrected weight values of the corrected weight sequence to improve linearity of the transforming curve.Type: ApplicationFiled: November 22, 2021Publication date: April 6, 2023Applicant: Chung Yuan Christian UniversityInventors: Shih-Lun Chen, Chun Kuan Wu, Chun Yu Lin, Wen-Shen Lo
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Publication number: 20230040724Abstract: A container lid assembly includes a movable lid unit, a cylindrical locking device, an arcuate plate, an annular cover, and a container. A rotation of the movable lid unit and subsequent operations show change of symbol of a symbol ring and capsules in the container can be taken out of the tubular insertion member. It can correctly record the number of times of the container being opened. The container lid assembly further provides a space for storing another kind of medicine in the lid.Type: ApplicationFiled: August 6, 2021Publication date: February 9, 2023Inventor: HUNG KUAN WU
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Publication number: 20230031864Abstract: An electrically controlled polarization rotator is disclosed. The electrically controlled polarization rotator includes two substrates and a liquid crystal layer located between the two substrates. The two substrates have a homogeneous alignment and a homeotropic alignment respectively. A distance between the two substrates is a liquid crystal thickness. A switching electric field which is adjustable is provided between the two substrates. A polarized light is incident on the substrate having the homogeneous alignment. A polarization direction of the polarized light is orthogonal or parallel to an alignment direction of the substrate having the homogeneous alignment. A birefringence of the liquid crystal layer multiplied by the liquid crystal thickness and further divided by a wavelength of the polarized light is greater than 10. The polarization direction of the polarized light is rotated corresponding to an intensity of the switching electric field in the liquid crystal layer.Type: ApplicationFiled: September 27, 2021Publication date: February 2, 2023Inventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Duan-Yi Guo, Li-Min Chang, Kuan-Wu Lin
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Patent number: 11565858Abstract: A container lid assembly includes a movable lid unit, a cylindrical locking device, an arcuate plate, an annular cover, and a container. A rotation of the movable lid unit and subsequent operations show change of symbol of a symbol ring and capsules in the container can be taken out of the tubular insertion member. It can correctly record the number of times of the container being opened. The container lid assembly further provides a space for storing another kind of medicine in the lid.Type: GrantFiled: August 6, 2021Date of Patent: January 31, 2023Inventor: Hung Kuan Wu
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Patent number: 11550228Abstract: A lithography apparatus is provided. The lithography apparatus includes a wafer stage configured to secure a semiconductor wafer and having a plurality of electrodes. The lithography apparatus also includes an exposure tool configured to perform an exposure process by projecting an extreme ultraviolet (EUV) light on the semiconductor wafer. The lithography apparatus further includes a controller configured to control power supplied to the electrodes to have a first adjusted voltage during the exposure process for a first group of exposure fields on the semiconductor wafer so as to secure the semiconductor wafer to the wafer stage. The first adjusted voltage is in a range from about 1.6 kV to about 3.2 kV.Type: GrantFiled: March 26, 2021Date of Patent: January 10, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Cheng-Kuan Wu, Po-Chung Cheng, Li-Jui Chen, Chih-Tsung Shih
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Publication number: 20230003244Abstract: A cushioning member includes a support portion, a first latch portion, a second latch portion, a first connection portion, a second connection portion, a first guide portion and a second guide portion. The first guide portion, the first latch portion, and the first connection portion are arranged opposite to the second connection portion, the second latch portion and the second guide portion on basis of the support portion as a center. When the first and second latch portions are in a relaxed state, a width of the support portion in a direction perpendicular to the axial direction is greater than a width of the first latch portion and a width of the second latch portion in the direction.Type: ApplicationFiled: June 29, 2022Publication date: January 5, 2023Applicant: Coretronic CorporationInventors: Wei-Ping Lin, Chao-Kuan Wu
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Publication number: 20220404195Abstract: A system for measuring periodic displacement of an object in periodic motion at a first frequency includes a light source module, a camera module and a processor. The light source module is configured to periodically illuminate the object at a second frequency that is different from the first frequency and that is related to a sum of the first frequency and a first constant. The camera module is configured to take pictures of the object. The processor is in communication with the camera module in order to receive the pictures, and is configured to determine periodic displacement of the object based on the pictures.Type: ApplicationFiled: June 13, 2022Publication date: December 22, 2022Applicant: NATIONAL CHUNG-HSING UNIVERSITYInventors: Jenq-Shyong Chen, Chun-Kuan Wu, Chi-Hsiang Lin
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Publication number: 20220373827Abstract: A projection type transparent display includes a polarization modulator and a reflective layer. The polarization modulator is stacked in sequence by a linear polarizer, a liquid crystal layer and a phase retarder. The reflective layer is stacked on the phase retarder. A projection light is incident on the linear polarizer to form a linearly polarized light. The liquid crystal layer changes a polarization direction of the linearly polarized light. Two kinds of linearly polarized projection lights with polarization directions orthogonal to each other are respectively formed and pass through the phase retarder to respectively form two kinds of circularly polarized projection lights with opposite rotation directions. A background light is incident on the reflective layer.Type: ApplicationFiled: June 17, 2021Publication date: November 24, 2022Inventors: Tsung-Hsien LIN, Heng-Yi TSENG, Cheng-Chang LI, Li-Min CHANG, Kuan-Wu LIN
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Patent number: 11507485Abstract: Disclosed is a universal profiling device operable to simulate a performance monitoring unit for a heterogeneous system. The universal profiling device includes a main circuit and a storage circuit. The main circuit is configured to execute at least one of multiple steps including an active data collection step and a passive data collection step. The active data collection step registers a callback function for an event of a designated object according to predetermined setting or user setting, and actively calls the callback function to obtain information of the event. The passive data collection step registers the event of the designated object according to the predetermined setting or user setting and thereby receives the information of the event without requesting the designated object, wherein the information of the event is stored in the storage circuit.Type: GrantFiled: November 24, 2020Date of Patent: November 22, 2022Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Sheng-Kai Hung, Tsai-Chin Cheng, Yi-Kuan Wu, Ping-Hsiung Chiu
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Patent number: 11493787Abstract: A projection type transparent display includes a polarization modulator and a reflective layer. The polarization modulator is stacked in sequence by a linear polarizer, a liquid crystal layer and a phase retarder. The reflective layer is stacked on the phase retarder. A projection light is incident on the linear polarizer to form a linearly polarized light. The liquid crystal layer changes a polarization direction of the linearly polarized light. Two kinds of linearly polarized projection lights with polarization directions orthogonal to each other are respectively formed and pass through the phase retarder to respectively form two kinds of circularly polarized projection lights with opposite rotation directions. A background light is incident on the reflective layer.Type: GrantFiled: June 17, 2021Date of Patent: November 8, 2022Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Li-Min Chang, Kuan-Wu Lin
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Patent number: 11435642Abstract: A smart window includes two transparent substrates and a liquid crystal layer. The two transparent substrates are opposite to each other and are electrically connected to a voltage supply. A first pulse voltage or a second pulse voltage is provided between the two transparent substrates by the voltage supply. The liquid crystal layer is located between the two transparent substrates and has a liquid crystal material. The liquid crystal material has a pitch of at most 250 nanometers or at least 500 nanometers. The liquid crystal material includes a nematic liquid crystal, a rotatory molecule, and a photochromic dye mixed with each other. The liquid crystal material changes a transmittance corresponding to a specific light wavelength range when receiving a light. The liquid crystal material is switched between a planar texture and a focal-conic texture respectively according to the first pulse voltage and the second pulse voltage.Type: GrantFiled: November 30, 2020Date of Patent: September 6, 2022Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau, Li-Min Chang, Kuan-Wu Lin
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Patent number: 11362464Abstract: A contact arrangement, including multiple contacts, is provided. The contacts are staggered. Some of the contacts form at least one contact group. The at least one contact group includes a pair of first contacts and eight second contacts. The pair of first contacts is a pair of differential signal contacts. The second contacts are arranged around the pair of first contacts. Two of the second contacts are arranged along a straight line perpendicular to a connecting line of the pair of first contacts. The position distribution and electrical properties of the other six of the second contacts are symmetrical to each other relative to the straight line.Type: GrantFiled: September 22, 2020Date of Patent: June 14, 2022Assignee: Shanghai Zhaoxin Semiconductor Co., Ltd.Inventors: Nai-Shung Chang, Yun-Han Chen, Hsiu-Wen Ho, Tsai-Sheng Chen, Chang-Li Tan, Chun-Yen Kang, Hsin-Kuan Wu
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Patent number: 11350873Abstract: A portable quantification apparatus for assessing joint accessory movement is disclosed in the present invention. The apparatus includes a reference unit, a movement unit, a sliding unit and a displacement sensor. The reference unit has a first probe and a first force sensor. The movement unit has a second probe and a second force sensor. The sliding unit is disposed between the reference unit and the movement unit which allows the movement unit to slide alongside with the reference unit. When a patient is under a test, the first probe is against one of two adjacent bones of a joint, while the second probe is against the other adjacent bone. The first force sensor and the second force sensor sense a first force and a second force applying to the reference unit and the movement unit respectively. The displacement sensor measures a relative movement of the movement unit over the reference unit.Type: GrantFiled: March 15, 2018Date of Patent: June 7, 2022Assignee: NATIONAL YANG MING CHIAO TUNG UNIVERSITYInventors: Chung-Huang Yu, Hsiao-Kuan Wu
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Patent number: 11353756Abstract: A reflective display apparatus includes three liquid crystal modules stacked in sequence for an incident light to enter from top to bottom sequentially. Each liquid crystal module includes a liquid crystal layer disposed between two substrates. A switchable electric field and a vertical alignment force are provided by the two substrates to the liquid crystal layer. The three liquid crystal modules are respectively: a blue light liquid crystal module located at a top layer, a green light liquid crystal module located in a middle layer and having the liquid crystal layer doped with a dichroic dye for absorbing a light within a blue light wavelength range, and a red light liquid crystal module located at a bottom layer and having the liquid crystal layer doped with a dichroic dye for absorbing a light within a green light wavelength range. A method for controlling the reflective display apparatus is also disclosed.Type: GrantFiled: May 25, 2021Date of Patent: June 7, 2022Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Li-Min Chang, Kuan-Wu Lin, Yi-Han Tseng
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Publication number: 20220146873Abstract: A smart window includes two transparent substrates and a liquid crystal layer. The two transparent substrates are opposite to each other and are electrically connected to a voltage supply. A first pulse voltage or a second pulse voltage is provided between the two transparent substrates by the voltage supply. The liquid crystal layer is located between the two transparent substrates and has a liquid crystal material. The liquid crystal material has a pitch of at most 250 nanometers or at least 500 nanometers. The liquid crystal material includes a nematic liquid crystal, a rotatory molecule, and a photochromic dye mixed with each other. The liquid crystal material changes a transmittance corresponding to a specific light wavelength range when receiving a light. The liquid crystal material is switched between a planar texture and a focal-conic texture respectively according to the first pulse voltage and the second pulse voltage.Type: ApplicationFiled: November 30, 2020Publication date: May 12, 2022Inventors: Tsung-Hsien Lin, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau, Li-Min Chang, Kuan-Wu Lin