Patents by Inventor Wen-Chao Chen
Wen-Chao Chen 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: 20240117176Abstract: A chlorinated polyvinyl chloride resin composition, an extruded sheet and a method for manufacturing the same are provided. The chlorinated polyvinyl chloride resin composition includes a chlorinated polyvinyl chloride resin and a plasticizing processing aid. The chlorinated polyvinyl chloride resin has an amount of 80 parts by weight to 120 parts by weight, a degree of polymerization of from 500 to 1,100, and a chlorine content of from 60% to 75%. The plasticizing processing aid includes a vinyl chloride graft copolymer and an acrylic compound. A grafted functional group of the vinyl chloride graft copolymer is at least one of polyol ester and ethylene vinyl acetate.Type: ApplicationFiled: December 13, 2022Publication date: April 11, 2024Inventors: TE-CHAO LIAO, HAN-CHING HSU, CHUN-LAI CHEN, WEN-YI WU
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Publication number: 20240117172Abstract: A composition and a manufacturing method of a highly flame-retardant and low-smoke injection-molded polyvinyl chloride pipe are provided. The composition includes a polyvinyl chloride resin material, a chlorinated polyvinyl chloride resin material, a flame retardant additive and a carbon forming additive. A first number-average degree of polymerization (DPn) of the polyvinyl chloride resin material is between 600 and 1,000. A second number-average degree of polymerization of the chlorinated polyvinyl chloride resin material is between 600 and 800. A difference between the first number-average degree of polymerization and the second number-average degree of polymerization is within 400. The flame retardant additive is a phosphorus-containing flame retardant modified by a modifier. A total added amount of the flame retardant additive and the carbon forming additive in the composition is not greater than 3 PHR.Type: ApplicationFiled: November 29, 2022Publication date: April 11, 2024Inventors: TE-CHAO LIAO, HAN-CHING HSU, CHUN-LAI CHEN, WEN-YI WU
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Publication number: 20240117173Abstract: A composition and a manufacturing method of a highly flame-retardant and low-smoke extruded polyvinyl chloride pipe are provided. The composition includes a polyvinyl chloride resin material, a flame retardant additive and a carbon forming additive. The polyvinyl chloride resin material is in an amount between 10 PHR (parts per hundred resin) and 90 PHR. The flame retardant additive is in an amount between 0.5 PHR and 2.0 PHR, and is a phosphorus-containing flame retardant modified by a modifier. The carbon forming additive is in an amount between 0.2 PHR and 1.0 PHR. The carbon forming additive is at least one material selected from a group consisting of zinc chloride, zinc stearate, calcium stearate, zinc hydroxystannate, anhydrous zinc stannate, zinc phosphate and zirconium phosphate. A total added amount of the flame retardant additive and the carbon forming additive in the composition is not greater than 3 PHR.Type: ApplicationFiled: November 29, 2022Publication date: April 11, 2024Inventors: TE-CHAO LIAO, HAN-CHING HSU, CHUN-LAI CHEN, WEN-YI WU
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PVC RESIN COMPOSITION AND METHOD FOR MANUFACTURING PIPE HAVING HIGH HEAT RESISTANCE AND TRANSPARENCY
Publication number: 20240117174Abstract: A PVC resin composition and a method for manufacturing a pipe having high heat resistance and transparency are provided. The PVC resin composition includes 100 phr of a PVC resin, 0.5 phr to 5 phr of a modifier, and 1 phr to 10 phr of a heat resistance improving agent. A degree of polymerization of the PVC resin is from 800 to 1,350. The modifier is a polymer containing a first monomer and a second monomer. The first monomer is ethylene or a derivative of the ethylene, and the second monomer is a polyester.Type: ApplicationFiled: December 13, 2022Publication date: April 11, 2024Inventors: TE-CHAO LIAO, HAN-CHING HSU, CHUN-LAI CHEN, WEN-YI WU -
Publication number: 20240120388Abstract: Provided are structures and methods for forming structures with sloping surfaces of a desired profile. An exemplary method includes performing a first etch process to differentially etch a gate material to a recessed surface, wherein the recessed surface includes a first horn at a first edge, a second horn at a second edge, and a valley located between the first horn and the second horn; depositing an etch-retarding layer over the recessed surface, wherein the etch-retarding layer has a central region over the valley and has edge regions over the horns, and wherein the central region of the etch-retarding layer is thicker than the edge regions of the etch-retarding layer; and performing a second etch process to recess the horns to establish the gate material with a desired profile.Type: ApplicationFiled: January 18, 2023Publication date: April 11, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Li-Wei Yin, Tzu-Wen Pan, Yu-Hsien Lin, Jih-Sheng Yang, Shih-Chieh Chao, Chia Ming Liang, Yih-Ann Lin, Ryan Chia-Jen Chen
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Publication number: 20240096630Abstract: Disclosed is a semiconductor fabrication method. The method includes forming a gate stack in an area previously occupied by a dummy gate structure; forming a first metal cap layer over the gate stack; forming a first dielectric cap layer over the first metal cap layer; selectively removing a portion of the gate stack and the first metal cap layer while leaving a sidewall portion of the first metal cap layer that extends along a sidewall of the first dielectric cap layer; forming a second metal cap layer over the gate stack and the first metal cap layer wherein a sidewall portion of the second metal cap layer extends further along a sidewall of the first dielectric cap layer; forming a second dielectric cap layer over the second metal cap layer; and flattening a top layer of the first dielectric cap layer and the second dielectric cap layer using planarization operations.Type: ApplicationFiled: January 12, 2023Publication date: March 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Li-Wei Yin, Tzu-Wen Pan, Yu-Hsien Lin, Yu-Shih Wang, Jih-Sheng Yang, Shih-Chieh Chao, Yih-Ann Lin, Ryan Chia-Jen Chen
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Publication number: 20240088289Abstract: A transistor includes: a substrate; a first fin and a second fin protruding upwardly from a top surface of the substrate, wherein the first fin and the second fin are concentric, and each of the first fin and the second fin comprises a first straight section, a second straight section in parallel with the first straight section, a first curved section, and a second curved section; a first drain and a second drain; a first source and a second source; a first curved channel and a second curved channel located at the first curved section of the first fin and the first curved section of the second fin, respectively; and a third curved channel and a fourth curved channel located at the second curved section of the first fin and the second curved section of the second fin, respectively.Type: ApplicationFiled: February 19, 2023Publication date: March 14, 2024Inventors: Wen-Chao Shen, Shih-Chang Chen
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Publication number: 20240069618Abstract: The disclosure provides a power management method. The power management method is applicable to an electronic device. The electronic device is electrically coupled to an adapter, and includes a system and a battery. The adapter has a feed power. The battery has a discharge power. The power management method of the disclosure includes: reading a power value of the battery; determining a state of the system; and discharging power to the system, when the system is in a power-on state and the power value is greater than a charging stopping value, by using the battery, and controlling, according to the discharge power and the feed power, the adapter to selectively supply power to the system. The disclosure further provides an electronic device using the power management method.Type: ApplicationFiled: April 27, 2023Publication date: February 29, 2024Inventors: Wen Che CHUNG, Hui Chuan LO, Hao-Hsuan LIN, Chun TSAO, Jun-Fu CHEN, Ming-Hung YAO, Jia-Wei ZHANG, Kuan-Lun CHEN, Ting-Chao LIN, Cheng-Yen LIN, Chunyen LAI
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Patent number: 9184154Abstract: A method includes forming a plurality of dielectric layers over a semiconductor substrate; and forming integrated passive devices in the plurality of dielectric layers. The semiconductor substrate is then removed from the plurality of dielectric layers. A dielectric substrate is bonded onto the plurality of dielectric layers.Type: GrantFiled: January 16, 2014Date of Patent: November 10, 2015Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wen-Chao Chen, Ming-Ray Mao, Shih-Hsien Yang, Kuan-Chi Tsai
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Patent number: 8970692Abstract: A head mount personal computer (HMPC) and an interactive system using the same are provided. The provided HMPC includes a microprocessing unit, an output unit and an image capture unit with a distance detection function (ICWDD). The microprocessing unit is served as an operation core of the HMPC. The output unit is coupled to and controlled by the microprocessing unit, and configured to project an optical image onto a space. The ICWDD is coupled to and controlled by the microprocessing unit, and configured to capture operation gestures on the projected optical image from a user wearing the HMPC, such that the microprocessing unit correspondingly controls operations of the HMPC in response to the operation gestures on the projected optical image from the user.Type: GrantFiled: March 2, 2012Date of Patent: March 3, 2015Assignee: Industrial Technology Research InstituteInventors: Golden Tiao, Tzuan-Ren Jeng, Hsien-Chang Lin, Chun-Jung Chen, Wen-Chao Chen, Chun-Chuan Lin, Chao-Hsu Tsai, Kuo-Chung Huang, Hsin-Hsiang Lo, Chu-Hsun Lin
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Publication number: 20140134801Abstract: A method includes forming a plurality of dielectric layers over a semiconductor substrate; and forming integrated passive devices in the plurality of dielectric layers. The semiconductor substrate is then removed from the plurality of dielectric layers. A dielectric substrate is bonded onto the plurality of dielectric layers.Type: ApplicationFiled: January 16, 2014Publication date: May 15, 2014Inventors: Wen-Chao Chen, Ming-Ray Mao, Shih-Hsien Yang, Kuan-Chi Tsai
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Patent number: 8693769Abstract: Image classification methods and systems are provided. First, an image is obtained using a computer. The image is then processed using the computer to obtain image information. The image information includes one or any combination of an average color difference between at least one average channel value of pixels in at least one boundary region of the image and a predefined standard value, a gradient variation magnitude difference between at least two regions of the image, and a percentage of the edges of the image to the image. The image is classified using the computer according to the image information.Type: GrantFiled: December 28, 2009Date of Patent: April 8, 2014Assignee: Industrial Technology Research InstituteInventors: Cheng-Feng Wu, Te-Chin Shao, Wen-Chao Chen
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Patent number: 8565513Abstract: An image processing method for providing corresponding depth information according to an input image is provided. This method includes the following steps. First, a reference image is generated according to the input image. Next, the input image and the reference image are divided into a number of input image blocks and a number of reference image blocks, respectively. Then, according to a number of input pixel data of each input image block and a number of reference pixel data of each reference image block, respective variance magnitudes of the input image blocks are obtained. Next, the input image is divided into a number of segmentation regions. Then, the depth information is generated according to the corresponding variance magnitudes of the input image blocks which each segmentation region covers substantially.Type: GrantFiled: December 8, 2009Date of Patent: October 22, 2013Assignee: Industrial Technology Research InstituteInventors: Te-Chin Shao, Wen-Chao Chen
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Patent number: 8457388Abstract: A method and a system for searching for a global minimum are provided. First, a subclass of a plurality of space points in a multidimensional space is clustered into a plurality of clusters through a clustering algorithm, wherein each of the space points is corresponding to an error value in an evaluation function. Then, ellipsoids for enclosing the clusters in the multidimensional space are respectively calculated. Next, a designated space corresponding to each of the ellipsoids is respectively inputted into a recursive search algorithm to search for a local minimum among the error values corresponding to the space points within each designated space. Finally, the local minimums of all the clusters are compared to obtain the space point corresponding to the minimum local minimum.Type: GrantFiled: August 4, 2009Date of Patent: June 4, 2013Assignee: Industrial Technology Research InstituteInventors: Wen-Chao Chen, Zen Chen, Chiao-Wen Cheng
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Patent number: 8411932Abstract: An example-based 2D to 3D image conversion method, a computer readable medium therefore, and a system are provided. The embodiments are based on an image database with depth information or with which depth information can be generated. With respect to a 2D image to be converted into 3D content, a matched background image is found from the database. In addition, graph-based segmentation and comparison techniques are employed to detect the foreground of the 2D image so that the relative depth map can be generated from the foreground and background information. Therefore, the 3D content can be provided with the 2D image plus the depth information. Thus, users can rapidly obtain the 3D content from the 2D image automatically and the rendering of the 3D content can be achieved.Type: GrantFiled: January 9, 2009Date of Patent: April 2, 2013Assignee: Industrial Technology Research InstituteInventors: Kai-Che Liu, Fu-Chiang Jan, Wen-Chao Chen, Cheng-Feng Wu, Tsu-Han Chen, Qi Wu
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Publication number: 20130057679Abstract: A head mount personal computer (HMPC) and an interactive system using the same are provided. The provided HMPC includes a microprocessing unit, an output unit and an image capture unit with a distance detection function (ICWDD). The microprocessing unit is served as an operation core of the HMPC. The output unit is coupled to and controlled by the microprocessing unit, and configured to project an optical image onto a space. The ICWDD is coupled to and controlled by the microprocessing unit, and configured to capture operation gestures on the projected optical image from a user wearing the HMPC, such that the microprocessing unit correspondingly controls operations of the HMPC in response to the operation gestures on the projected optical image from the user.Type: ApplicationFiled: March 2, 2012Publication date: March 7, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Golden Tiao, Tzuan-Ren Jeng, Hsien-Chang Lin, Chun-Jung Chen, Wen-Chao Chen, Chun-Chuan Lin, Chao-Hsu Tsai, Kuo-Chung Huang, Hsin-Hsiang Lo, Chu-Hsun Lin
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Publication number: 20120190152Abstract: A method includes forming a plurality of dielectric layers over a semiconductor substrate; and forming integrated passive devices in the plurality of dielectric layers. The semiconductor substrate is then removed from the plurality of dielectric layers. A dielectric substrate is bonded onto the plurality of dielectric layers.Type: ApplicationFiled: January 25, 2011Publication date: July 26, 2012Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wen-Chao Chen, Ming-Ray Mao, Shih-Hsien Yang, Kuan-Chi Tsai
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Publication number: 20120147132Abstract: A method and a system for producing a panoramic image are provided. The method comprises the following steps. A plurality of original images are obtained. A plurality of pixel blocks corresponding to a plurality of view angles are captured from each of the original images, wherein the number of the view angles is larger than or equal to 2. Part of the pixel blocks which are corresponding to one of the view angles are connected along a connecting direction to result in a single-view panoramic image, wherein the step of connecting part of the pixel blocks are performed repeatedly to result in a plurality of single-view panoramic images.Type: ApplicationFiled: June 14, 2011Publication date: June 14, 2012Applicant: Industrial Technology Research InstituteInventors: Wen-Chao Chen, Chung-Wei Lin, Tien-You Lee
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Patent number: 8180145Abstract: A method for producing an image with depth by using 2D image includes obtaining a set of internal parameters of a camera. The camera takes at least a first and a second 2D images with a small shift. The first 2D image has N depths, and N?2. Several sets of external parameters of the camera corresponding to the 2D images are estimated. A 3D information respectively corresponding to the N depths of the first 2D image at each pixel or block is calculated. A proper depth of each pixel or image block is determined. Through the internal parameters, the external parameters, and the N depths, each pixel or image block of the first 2D image is projected onto N positions of the second 2D image, so as to perform a matching comparison analysis with the second 2D image, thereby determining the proper depth from the N depths.Type: GrantFiled: October 30, 2008Date of Patent: May 15, 2012Assignee: Industrial Technology Research InstituteInventors: Jeng-Feng Wu, Wen-Chao Chen, Cheng-Yuan Tang
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Publication number: 20120105599Abstract: An image-shooting method with guide for taking stereo images is used in a camera system. The camera system utilizes a same lens to take images. The method includes the following steps. A shooting mode is selected. A guiding information is provided by a display unit. A set of images for a target image field is taken by moving the lens to multiple guiding locations according to the guiding information, in which the set of images is at least two view-angle images with different view angles. The view-angle images are corrected with a stereo visual effect. The set of view-angle images is output, and meanwhile, a corresponding shooting information is output. Then, the view-angle images are adjusted according to the shooting information, so as to achieve a desirable stereo display effect.Type: ApplicationFiled: December 21, 2010Publication date: May 3, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chung-Wei Lin, Wen-Chao Chen