Patents by Inventor Chih-Kai Chiu
Chih-Kai Chiu 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: 11990507Abstract: A high voltage transistor structure including a substrate, a first isolation structure, a second isolation structure, a gate structure, a first source and drain region, and a second source and drain region is provided. The first isolation structure and the second isolation structure are disposed in the substrate. The gate structure is disposed on the substrate, at least a portion of the first isolation structure, and at least a portion of the second isolation structure. The first source and drain region and the second source and drain region are located in the substrate on two sides of the first isolation structure and the second isolation structure. The depth of the first isolation structure is greater than the depth of the second isolation structure.Type: GrantFiled: August 16, 2021Date of Patent: May 21, 2024Assignee: United Microelectronics Corp.Inventors: Chin-Hung Chen, Ssu-I Fu, Chih-Kai Hsu, Chun-Ya Chiu, Chia-Jung Hsu, Yu-Hsiang Lin
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Publication number: 20240162114Abstract: A power module including at least one power device, an insulation thermally conductive layer, and a heat dissipation device is provided. The insulation thermally conductive layer has a patterned circuit layer. The power device is disposed on the patterned circuit layer and is electrically connected to the patterned circuit layer. The heat dissipation device includes a heat dissipation plate and a heat dissipation base. The heat dissipation plate has a first surface and a second surface opposite to each other, and the insulation thermally conductive layer is disposed on the first surface. The heat dissipation base is partially bonded to the heat dissipation plate, and a chamber is formed between the heat dissipation plate and the heat dissipation bases. The heat dissipation base has a plurality of first heat dissipation bumps located in the chamber.Type: ApplicationFiled: February 9, 2023Publication date: May 16, 2024Applicant: Industrial Technology Research InstituteInventors: Shian-Chiau Chiou, Chun-Kai Liu, Po-Kai Chiu, Chih-Ming Tzeng, Yao-Shun Chen
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Patent number: 11984089Abstract: The present invention provides improved driving methods for four particle electrophoretic displays that improves the performance of such displays when they are deployed in low temperature environments and the displays are required to be updated when positioned vertically (i.e., the driving electric fields are substantially perpendicular to the direction of Earth's gravity). Methods are provided for displaying each of the colors at each pixel, as desired, with minimal interference (contamination) from the other particles.Type: GrantFiled: April 25, 2023Date of Patent: May 14, 2024Assignee: E Ink CorporationInventors: Ning-Wei Jan, Chen-Kai Chiu, Feng-Shou Lin, Chih-Yu Cheng
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Patent number: 11984090Abstract: The present invention provides four-particle electrophoretic displays with improved driving methods to achieve better color separation between adjacent pixel electrodes. The driving methods improve the color state performance when a first pixel is displaying a mixed state of a first highly-charged particle and a second lower-charged particle of the opposite polarity, while a neighboring pixel is displaying a state of a second highly-charged particle having the opposite polarity to the first highly-charged particle. The particles can be, for example, all reflective or one type of particle can be partially light transmissive.Type: GrantFiled: November 30, 2022Date of Patent: May 14, 2024Assignee: E Ink CorporationInventors: Chih-Yu Cheng, Craig Lin, Ning-Wei Jan, Chen-Kai Chiu, Feng-Shou Lin
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Publication number: 20240128127Abstract: A semiconductor device includes a single diffusion break (SDB) structure dividing a fin-shaped structure into a first portion and a second portion, an isolation structure on the SDB structure, a first spacer adjacent to the isolation structure, a metal gate adjacent to the isolation structure, a shallow trench isolation (STI around the fin-shaped structure, and a second isolation structure on the STI. Preferably, a top surface of the first spacer is lower than a top surface of the isolation structure and a bottom surface of the first spacer is lower than a bottom surface of the metal gate.Type: ApplicationFiled: December 28, 2023Publication date: April 18, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Chih-Kai Hsu, Ssu-l Fu, Chun-ya Chiu, Chi-Ting Wu, Chin-HUNG Chen, Yu-Hsiang Lin
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Patent number: 11934171Abstract: The present disclosure discloses a servo motor and an encoder calibration method. The encoder calibration method includes: calculating a gain error, an offset error and a phase error, by an error calculation block, according to a first signal and a second signal output by an encoder; calculating at least one gain calibration parameter, at least one offset calibration parameter and at least one phase calibration parameter, by the error calibration block, according to the gain error, the offset error and the phase error; and calibrating sequentially, by the encoder, the gain, the offset and the phase of the first signal and the second signal according to the at least one gain calibration parameter, the at least one offset calibration parameter and the at least one phase calibration parameter, wherein performing at least one gain calibration and offset calibration after the phase calibration is completed.Type: GrantFiled: April 4, 2022Date of Patent: March 19, 2024Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chih-Kai Chiu, Bo-Ting Yeh, Tsan-Huang Chen
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Publication number: 20230205165Abstract: The present disclosure discloses a servo motor and an encoder calibration method. The encoder calibration method includes: calculating a gain error, an offset error and a phase error, by an error calculation block, according to a first signal and a second signal output by an encoder; calculating at least one gain calibration parameter, at least one offset calibration parameter and at least one phase calibration parameter, by the error calibration block, according to the gain error, the offset error and the phase error; and calibrating sequentially, by the encoder, the gain, the offset and the phase of the first signal and the second signal according to the at least one gain calibration parameter, the at least one offset calibration parameter and the at least one phase calibration parameter, wherein performing at least one gain calibration and offset calibration after the phase calibration is completed.Type: ApplicationFiled: April 4, 2022Publication date: June 29, 2023Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chih-Kai CHIU, Bo-Ting YEH, Tsan-Huang CHEN
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Patent number: 10209698Abstract: A calibration method applicable for an automation machining apparatus includes building a first stereoscopic characteristic model corresponding to an object, obtaining a stereoscopic image of the object, building a second stereoscopic characteristic model corresponding to the object based on the stereoscopic image, obtaining at least one error parameter corresponding to the second stereoscopic characteristic model by comparing the second stereoscopic characteristic model with the first stereoscopic characteristic model, and calibrating a machining parameter of the automation machining apparatus based on the at least one error parameter.Type: GrantFiled: April 24, 2015Date of Patent: February 19, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chung-Li Tai, Yao-Yang Tsai, Jay Huang, Ko-Shyang Wang, Chih-Kai Chiu
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Patent number: 9747680Abstract: A method for vision machine inspection comprises providing depth information of a target acquired by an image capturing system, determining real-time three-dimensional information of a target object in a predetermined inspecting area based on depth information of at least one real-time image of the target. The method further comprises projecting color pixel information of a real-time color image of the target object to a three-dimensional virtual model based on the real-time three-dimensional information. The real-time color image may be acquired by a color camera system. The method further comprises generating a color three-dimensional virtual model. The color three-dimensional virtual model may comprise the color pixel information.Type: GrantFiled: November 27, 2013Date of Patent: August 29, 2017Assignee: Industrial Technology Research InstituteInventors: Chung-Li Tai, Chih-Kai Chiu, Yao-Yang Tsai
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Publication number: 20160187863Abstract: A calibration method applicable for an automation apparatus includes building a first stereoscopic characteristic model corresponding to an object, obtaining a stereoscopic image of the object, building a second stereoscopic characteristic model corresponding to the object based on the stereoscopic image, obtaining at least one error parameter corresponding to the second stereoscopic characteristic model by comparing the second stereoscopic characteristic model with the first stereoscopic characteristic model, and calibrating a processing parameter of the automation apparatus based on the at least one error parameter.Type: ApplicationFiled: April 24, 2015Publication date: June 30, 2016Inventors: Chung-Li TAI, Yao-Yang TSAI, Jay HUANG, Ko-Shyang WANG, Chih-Kai CHIU
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Publication number: 20150146964Abstract: A method for vision machine inspection comprises providing depth information of a target acquired by an image capturing system, determining real-time three-dimensional information of a target object in a predetermined inspecting area based on depth information of at least one real-time image of the target. The method further comprises projecting color pixel information of a real-time color image of the target object to a three-dimensional virtual model based on the real-time three-dimensional information. The real-time color image may be acquired by a color camera system. The method further comprises generating a color three-dimensional virtual model. The color three-dimensional virtual model may comprise the color pixel information.Type: ApplicationFiled: November 27, 2013Publication date: May 28, 2015Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: CHUNG-LI TAI, CHIH-KAI CHIU, YAO-YANG TSAI
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Publication number: 20130085712Abstract: An inertial sensing input apparatus includes a motion sensing module, a state determination module, an attitude estimation module, a coordinate transformation module, a gravity elimination module, an integral operation module, a data storage module, a trajectory modification module and a trajectory removal module. When the inertial sensing input apparatus is in a moving time period, the coordinate transformation module transforms a relative acceleration measured by the motion sensing module to an absolute acceleration based on a rotational attitude estimated by the attitude estimation module. The integral operation module calculates a velocity and a displacement based on an absolute acceleration revised by the gravity elimination module and forwards them to the data storage module. When the Kth moving time period is detected by the state determination module, the trajectory modification module modifies a moving trajectory.Type: ApplicationFiled: February 28, 2012Publication date: April 4, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chia-Yu WANG, Ching-Hsiang TU, Chih-Tsung CHIANG, Chih-Kai CHIU
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Patent number: 8184100Abstract: An inertial sensing input controller, receiver and interactive system using thereof are provided in the present invention. The inertial sensing input controller functioning to capture motions of a human body comprises an inertial sensing module for sensing a sequence of motions of the human body and generating the corresponding parameters and then transmitting to a receiver connected to an electrical device. In addition, the inertial sensing input controller further integrates a plurality of communication protocols and the electrical device interacting with the inertial sensing input controller can be switched to different control modes according to the parameters received by the receiver. On the other hand, the parameters generated by the inertial sensing input controller can be transmitted to the electrical device directly so that the electrical device can process the parameters and judge the action or scenario with respect to the human movement accordingly for increasing diversity of interactions.Type: GrantFiled: October 5, 2007Date of Patent: May 22, 2012Assignee: Industrial Technology Research InstituteInventors: Jr-Wei Lian, Chih-Kai Chiu, Shun-Nan Liou, Ming-Jye Tsai, Chun-Yuan Chen
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Patent number: 7839386Abstract: A method of signal processing for a sensitive signal generated from a pointing device, which comprises the steps of acquiring an accelerating signal; forming a filtering signal by a first filtering process to filter the accelerating signal; and processing a second filtering process to form a processed signal. By means of the aforesaid method, an inertia pointing device is disclosed in the present invention, which is capable of processing an accelerating signal generated from the movement of the pointing device operated by the user, and transmitting the processed signal to an electrical device. The electrical device is capable of generating a corresponding displacement for moving a cursor on the display or action for controlling an object according to the processed signal.Type: GrantFiled: May 31, 2007Date of Patent: November 23, 2010Assignee: Industrial Technology Research InstituteInventors: Zhi-Wei Lian, Chih-Kai Chiu, Shun-Nan Lou, Ming-Jye Tsai
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Publication number: 20100111144Abstract: A method for determining and changing RF channels is provided in the present invention, wherein the RF channel is changed randomly and automatically according the communication status so that the communication status between a transmitting end and a receiving end is capable of being maintained to ensure data transmission. In another embodiment, the present invention further provides an RF transceiving system, in which a channel for communication between two wireless transmission modules is constructed automatically and randomly to prevent the communication channel from being duplicated so that channel collision is avoided. In addition, the present invention also provides frequency-hopping to prevent data from being lost and special coding to prevent data from reception error so as to ensure that the data in transceiving process will not be stopping, erroneous, or lost during the user operation.Type: ApplicationFiled: February 18, 2009Publication date: May 6, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventor: Chih-Kai CHIU
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Publication number: 20090048021Abstract: An inertial sensing input controller, receiver and interactive system using thereof are provided in the present invention. The inertial sensing input controller functioning to capture motions of a human body comprises an inertial sensing module for sensing a sequence of motions of the human body and generating the corresponding parameters and then transmitting to a receiver connected to an electrical device. In addition, the inertial sensing input controller further integrates a plurality of communication protocols and the electrical device interacting with the inertial sensing input controller can be switched to different control modes according to the parameters received by the receiver. On the other hand, the parameters generated by the inertial sensing input controller can be transmitted to the electrical device directly so that the electrical device can process the parameters and judge the action or scenario with respect to the human movement accordingly for increasing diversity of interactions.Type: ApplicationFiled: October 5, 2007Publication date: February 19, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jr-Wei Lian, Chih-Kai Chiu, Shun-Nan Liou, Ming-Jye Tsai, Chun-Yuan Chen
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Publication number: 20080125516Abstract: The present invention discloses a soluble or dispersible long-acting mold-proof polyisocyanate or modified polyurethane, and the mold-proof materials made thereof, wherein an amino group (NH)-containing mold-proof agent (benzimidazol or a derivative thereof) becomes a portion of a PU structure in a urethane or urea reaction; thus, the mold-proof material has the superior compatibility and solubility and can be solved or dispersed in various solvents. Further, the polyisocyanate reacts with a saline and a polyol both having reactive functional groups to implement the adhesion between the mold-proof material and the substrate; thus, the mold-proof material can be applied to an inorganic material, such as a metal or a glass. Therefore, the mold-proof material and the derivatives thereof of the present invention have a superior dispersibility/solubility and a long-acting mold-proof effect.Type: ApplicationFiled: November 28, 2006Publication date: May 29, 2008Inventors: Han-Yin Liou, Chih-Kai Chiu, Chien-Ming Chen
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Publication number: 20080111790Abstract: A method of signal processing for a sensitive signal generated from a pointing device, which comprises the steps of acquiring an accelerating signal; forming a filtering signal by a first filtering process to filter the accelerating signal; and processing a second filtering process to form a processed signal. By means of the aforesaid method, an inertia pointing device is disclosed in the present invention, which is capable of processing an accelerating signal generated from the movement of the pointing device operated by the user, and transmitting the processed signal to an electrical device. The electrical device is capable of generating a corresponding displacement for moving a cursor on the display or action for controlling an object according to the processed signal.Type: ApplicationFiled: May 31, 2007Publication date: May 15, 2008Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Zhi-Wei Lian, Chih-Kai Chiu, Shun-Nan Liou, Ming-Jye Tsai
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Publication number: 20070248566Abstract: The present invention discloses an antimicrobial polyisocyanate and derivatives thereof, wherein a quaternary amine is added into the polymerization reaction of a polyol and a NCO-containing isocyanate/poly-isocyanate to form the antimicrobial polyisocyanate; then, the antimicrobial polyisocyanate is added into a functional resin to form an antiseptic material. As the bactericide (the quaternary amine) becomes an inseparable portion of the polyisocyanate and the antiseptic material containing the poly-isocyanic ester, the bactericide will be uniformly distributed on the surface of material; further, the bactericide will not be released out but will be maintained permanently. Such a mechanical-contact type antiseptic method can achieve a safe, persistent and environment-friendly antiseptic effect.Type: ApplicationFiled: April 25, 2006Publication date: October 25, 2007Inventors: Chien-Ming Chen, Chih-Kai Chiu
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Patent number: 7283733Abstract: The invention is directed to a system and method for regulating a load (such as a CPU). A pulse-width-modulation (PWM) regulator calculates the duty cycle of the control pulse from a PWM controller, and then compares the duty cycle to a predetermined threshold. Thereafter, the PWM regulator regulates working conditions, such as clock frequency, supplied voltage, or fan spin speed, based on the above comparison.Type: GrantFiled: November 17, 2005Date of Patent: October 16, 2007Assignee: AOPEN IncorporatedInventors: Chih-Kai Chiu, Chien-Hui Chen