Patents by Inventor Wei Yu Chang
Wei Yu Chang 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: 20240140765Abstract: An overhead hoist transfer apparatus includes a rail assembly including a straight rail having an empty section, and a curved rail having a curved empty section; an engine including a first LSD having first and second wheels at two sides respectively; and a second LSD having third and fourth wheels at two sides respectively; a moving carriage driven by the engine and suspended from the rail assembly; first and second guide wheels disposed on the first LSD; third and fourth guide wheels disposed on the second LSD; and two guide boards disposed above a joining point of the straight rail and the curved rail. An elevation of the guide boards is equal to that of the guide wheels. The guide board includes a straight edge and a curved edge.Type: ApplicationFiled: September 27, 2023Publication date: May 2, 2024Inventors: Jung-Chieh Chang, Yi-Sheng Chen, Jen-Yung Hsiao, Chia-Fu Hsiao, Wei-Qi Lao, Chen-Chih Chan, Caung-Yu Liu
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Publication number: 20240134279Abstract: A photoresist includes a solvent, a polymer and an additive. The polymer is dissolved in the solvent, and the additive is dispersed in the solvent. The additive includes a double bond or includes an epoxy group. The additive has a surface tension different from a surface tension of the polymer.Type: ApplicationFiled: March 27, 2023Publication date: April 25, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chieh-Hsin HSIEH, Wei-Han LAI, Ching-Yu CHANG
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Patent number: 11968856Abstract: Exemplary subpixel structures include a directional light-emitting diode structure characterized by a full-width-half-maximum (FWHM) of emitted light having a divergence angle of less than or about 10°. The subpixel structure further includes a lens positioned a first distance from the light-emitting diode structure, where the lens is shaped to focus the emitted light from the light-emitting diode structure. The subpixel structure still further includes a patterned light absorption barrier positioned a second distance from the lens. The patterned light absorption barrier defines an opening in the barrier, and the focal point of the light focused by the lens is positioned within the opening. The subpixels structures may be incorporated into a pixel structure, and pixel structures may be incorporated into a display that is free of a polarizer layer.Type: GrantFiled: October 4, 2021Date of Patent: April 23, 2024Assignee: Applied Materials, Inc.Inventors: Chung-Chih Wu, Po-Jui Chen, Hoang Yan Lin, Guo-Dong Su, Wei-Kai Lee, Chi-Jui Chang, Wan-Yu Lin, Byung Sung Kwak, Robert Jan Visser
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Publication number: 20240130038Abstract: A transmission device for suppressing the glass-fiber effect includes a circuit board and a transmission line. The circuit board includes a plurality of glass fibers, so as to define a fiber pitch. The transmission line is disposed on the circuit board. The transmission line includes a plurality of non-parallel segments. Each of the non-parallel segments of the transmission line has an offset distance with respect to a reference line. The offset distance is longer than or equal to a half of the fiber pitch.Type: ApplicationFiled: November 23, 2022Publication date: April 18, 2024Applicants: UNIMICRON TECHNOLOGY CORP., National Taiwan UniversityInventors: Chin-Hsun WANG, Ruey-Beei Wu, Ching-Sheng Chen, Chun-Jui Hung, Wei-Yu Liao, Chi-Min Chang
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Patent number: 11957444Abstract: This specification describes systems and methods for using Zero Echo Time (ZTE) magnetic resonance imaging (MRI) sequences for applications to functional MRI (fMRI). In some examples, a system for functional magnetic resonance imaging includes a magnetic resonance imaging (MRI) scanner and a control console implemented on at least one processor. The control console is configured for executing, using the MRI scanner, a zero echo time (ZTE) pulse sequence; acquiring, using the MRI scanner, magnetic resonance data in response to the ZTE pulse sequence; and constructing at least one MRI image using the magnetic resonance data and measuring tissue oxygenation (PtO2)-related T1 changes as a proxy of neural activity changes of a subject using the at least one MRI image.Type: GrantFiled: August 8, 2022Date of Patent: April 16, 2024Assignee: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILLInventors: Yen-Yu Shih, Martin John MacKinnon, Yuncong Ma, Wei-Tang Chang
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Publication number: 20240116707Abstract: A powered industrial truck includes a lateral movement assembly including four sliding members and four pivotal members both on a wheeled carriage, four links having a first end pivotably secured to the sliding member and a second end pivotably secured to either end of the pivotal member, a motor shaft having two ends pivotably secured to the pivotal members respectively, a first electric motor on one frame member, and four mounts attached to the sliding members respectively; two lift assemblies including a second electric motor, a shaft having two ends rotatably secured to the sliding members respectively, two gear trains at the ends of the shaft respectively, a first gear connected to the second electric motor, a second gear on the shaft, and a first roller chain on the first and second gears; two electric attachments on the platform and being laterally moveable, each attachment. The mount has rollers.Type: ApplicationFiled: September 21, 2023Publication date: April 11, 2024Inventors: Jung-Chieh Chang, Yi-Sheng Chen, Jen-Yung Hsiao, Chia-Fu Hsiao, Wei-Qi Lao, Chen-Chih Chan, Chung-Yu Liu
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Patent number: 11956994Abstract: The present disclosure is generally related to 3D imaging capable OLED displays. A light field display comprises an array of 3D light field pixels, each of which comprises an array of corrugated OLED pixels, a metasurface layer disposed adjacent to the array of 3D light field pixels, and a plurality of median layers disposed between the metasurface layer and the corrugated OLED pixels. Each of the corrugated OLED pixels comprises primary or non-primary color subpixels, and produces a different view of an image through the median layers to the metasurface to form a 3D image. The corrugated OLED pixels combined with a cavity effect reduce a divergence of emitted light to enable effective beam direction manipulation by the metasurface. The metasurface having a higher refractive index and a smaller filling factor enables the deflection and direction of the emitted light from the corrugated OLED pixels to be well controlled.Type: GrantFiled: August 10, 2021Date of Patent: April 9, 2024Assignee: Applied Materials, Inc.Inventors: Chung-Chih Wu, Hoang Yan Lin, Guo-Dong Su, Zih-Rou Cyue, Li-Yu Yu, Wei-Kai Lee, Guan-Yu Chen, Chung-Chia Chen, Wan-Yu Lin, Gang Yu, Byung-Sung Kwak, Robert Jan Visser, Chi-Jui Chang
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Patent number: 11955336Abstract: Method of manufacturing a semiconductor device, includes forming a protective layer over substrate having a plurality of protrusions and recesses. The protective layer includes polymer composition including polymer having repeating units of one or more of: Wherein a, b, c, d, e, f, g, h, and i are each independently H, —OH, —ROH, —R(OH)2, —NH2, —NHR, —NR2, —SH, —RSH, or —R(SH)2, wherein at least one of a, b, c, d, e, f, g, h, and i on each repeating unit is not H. R, R1, and R2 are each independently a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 hydroxyalkyl group, a C2-C10 alkoxy group, a C2-C10 alkoxy alkyl group, a C2-C10 acetyl group, a C3-C10 acetylalkyl group, a C1-C10 carboxyl group, a C2-C10 alkyl carboxyl group, or a C4-C10 cycloalkyl carboxyl group, and n is 2-1000. A resist layer is formed over the protective layer, and the resist layer is patterned.Type: GrantFiled: April 23, 2021Date of Patent: April 9, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jing Hong Huang, Wei-Han Lai, Ching-Yu Chang
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Publication number: 20240113143Abstract: Various embodiments of the present disclosure are directed towards an imaging device including a first image sensor element and a second image sensor element respectively comprising a pixel unit disposed within a semiconductor substrate. The first image sensor element is adjacent to the second image sensor element. A first micro-lens overlies the first image sensor element and is laterally shifted from a center of the pixel unit of the first image sensor element by a first lens shift amount. A second micro-lens overlies the second image sensor element and is laterally shifted from a center of the pixel unit of the second image sensor element by a second lens shift amount different from the first lens shift amount.Type: ApplicationFiled: January 6, 2023Publication date: April 4, 2024Inventors: Cheng Yu Huang, Wen-Hau Wu, Chun-Hao Chuang, Keng-Yu Chou, Wei-Chieh Chiang, Chih-Kung Chang
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Publication number: 20240096893Abstract: A semiconductor device includes a substrate. The semiconductor device includes a fin that is formed over the substrate and extends along a first direction. The semiconductor device includes a gate structure that straddles the fin and extends along a second direction perpendicular to the first direction. The semiconductor device includes a first source/drain structure coupled to a first end of the fin along the first direction. The gate structure includes a first portion protruding toward the first source/drain structure along the first direction. A tip edge of the first protruded portion is vertically above a bottom surface of the gate structure.Type: ApplicationFiled: November 24, 2023Publication date: March 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company LimitedInventors: Shih-Yao Lin, Chao-Cheng Chen, Chih-Han Lin, Ming-Ching Chang, Wei-Liang Lu, Kuei-Yu Kao
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Publication number: 20240096623Abstract: A method of manufacturing a semiconductor device includes forming a first layer comprising an organic material over a substrate. A second layer is formed over the first layer, wherein the second layer includes a silicon-containing material and one or more selected from the group consisting of a photoacid generator, an actinic radiation absorbing additive including an iodine substituent, and a silicon-containing monomer having iodine or phenol group substituents. A photosensitive layer is formed over the second layer, and the photosensitive layer is patterned.Type: ApplicationFiled: March 17, 2023Publication date: March 21, 2024Inventors: Chieh-Hsin HSIEH, Wei-Han LAI, Ching-Yu CHANG
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Patent number: 11934027Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.Type: GrantFiled: June 21, 2022Date of Patent: March 19, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chih-Wei Weng, Chia-Che Wu, Chien-Yu Kao, Hsiao-Hsin Hu, He-Ling Chang, Chao-Hsi Wang, Chen-Hsien Fan, Che-Wei Chang, Mao-Gen Jian, Sung-Mao Tsai, Wei-Jhe Shen, Yung-Ping Yang, Sin-Hong Lin, Tzu-Yu Chang, Sin-Jhong Song, Shang-Yu Hsu, Meng-Ting Lin, Shih-Wei Hung, Yu-Huai Liao, Mao-Kuo Hsu, Hsueh-Ju Lu, Ching-Chieh Huang, Chih-Wen Chiang, Yu-Chiao Lo, Ying-Jen Wang, Shu-Shan Chen, Che-Hsiang Chiu
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Patent number: 11935757Abstract: A method of manufacturing a semiconductor device includes forming a first layer of a first planarizing material over a patterned surface of a substrate, forming a second layer of a second planarizing material over the first planarizing layer, crosslinking a portion of the first planarizing material and a portion of the second planarizing material, and removing a portion of the second planarizing material that is not crosslinked. In an embodiment, the method further includes forming a third layer of a third planarizing material over the second planarizing material after removing the portion of the second planarizing material that is not crosslinked. The third planarizing material can include a bottom anti-reflective coating or a spin-on carbon, and an acid or an acid generator. The first planarizing material can include a spin-on carbon, and an acid, a thermal acid generator or a photoacid generator.Type: GrantFiled: April 10, 2023Date of Patent: March 19, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yen-Hao Chen, Wei-Han Lai, Ching-Yu Chang, Chin-Hsiang Lin
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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: 20240079486Abstract: A semiconductor structure includes a barrier layer over a channel layer, and a doped layer over the barrier layer. A gate electrode is over the doped layer and a doped interface layer is formed between the barrier layer and the doped layer. The doped interface layer includes a dopant and a metal. The metal has a metal concentration that follows a gradient function from a highest metal concentration to a lowest metal concentration.Type: ApplicationFiled: March 27, 2023Publication date: March 7, 2024Inventors: Wei-Ting CHANG, Ching Yu CHEN, Jiang-He XIE
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Patent number: 11923386Abstract: Various embodiments of the present disclosure are directed towards an integrated chip. The integrated chip includes a first photodetector disposed in a first pixel region of a semiconductor substrate and a second photodetector disposed in a second pixel region of the semiconductor substrate. The second photodetector is laterally separated from the first photodetector. A first diffuser is disposed along a back-side of the semiconductor substrate and over the first photodetector. A second diffuser is disposed along the back-side of the semiconductor substrate and over the second photodetector. A first midline of the first pixel region and a second midline of the second pixel region are both disposed laterally between the first diffuser and the second diffuser.Type: GrantFiled: April 24, 2023Date of Patent: March 5, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Keng-Yu Chou, Chun-Hao Chuang, Kazuaki Hashimoto, Wei-Chieh Chiang, Cheng Yu Huang, Wen-Hau Wu, Chih-Kung Chang
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Patent number: 11914301Abstract: A photoresist includes a polymer and a photoactive compound. The photoactive compound contains a sensitizer component. The photoactive compound contains an acid generator or a base molecular. The acid generator or the base molecular bonds the sensitizer component. The photoactive compound is within a polymer backbone. The sensitizer component is configured to absorb an EUV light to produce electrons.Type: GrantFiled: July 16, 2021Date of Patent: February 27, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chieh-Hsin Hsieh, Wei-Han Lai, Ching-Yu Chang
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Publication number: 20200393026Abstract: The linear driving mechanism includes a main body, a linear moving component, a guiding component and a driving component. The main body includes a seat and a moving shaft. The driving component is connected to a rotating shaft of the seat. The moving shaft passes through a driving slot formed on the linear moving component. The guiding component is for guiding a linear movement of the linear moving component. A stroke of the linear moving component of the linear driving mechanism can be changed by approaching or distancing the linear moving component and the seat of the main body to increase or decrease the displacement of the moving shaft located inside the driving slot. Therefore, the linear driving mechanism has not only simple structure but also flexibility in use.Type: ApplicationFiled: June 11, 2020Publication date: December 17, 2020Inventors: Wei-Yu Chang, Chih-Rong Chen
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Publication number: 20200243431Abstract: The present invention relates to a structure for packaging and the method for manufacturing the same. The structure for packaging comprise two or more metal members disposed on a substrate or a semiconductor device. A patterned layer and an insulation layer are disposed surrounding the metal members. There is a gap between the patterned layer and the insulation layer. Thereby, while bonding the metal members, metal spilling can be avoided, for further preventing the structure from short circuit or current leakage.Type: ApplicationFiled: October 22, 2019Publication date: July 30, 2020Inventors: CHIN-HAN CHOU, WEI-YU CHANG, GUAN-CHEN LIN, I-HSIEN LIN
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Patent number: 9343261Abstract: A combined round-multipole magnetic lens comprises a coil bracket, a first pole piece and a second pole piece. At least a first pole shoe of the first pole piece on the coil support and at least a second pole shoe of the second pole piece under the coil support respectively extend towards the central axis. The first pole shoe and the second pole shoe are symmetric according to the central axis, or the first pole shoes and the second pole shoes are respectively symmetrically arranged, and the angle difference between the first pole shoe and the adjacent second pole shoes is 360/2N degrees. A magnetic circuit gap is formed between the first pole shoe and the adjacent second pole shoe, for generating a magnetic field distribution of multi-poles and reducing the volume and the number of power supplies.Type: GrantFiled: November 6, 2014Date of Patent: May 17, 2016Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Wei-Yu Chang, Fu-Rong Chen, Te-Hui Lee, Tsu-Wei Huang