Patents by Inventor Yung-An Chao
Yung-An Chao 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: 11699771Abstract: A non-diffusion type photodiode is described and has: a substrate, a buffer layer, a light absorption layer, an intermediate layer, and a multiplication/window layer. The buffer layer is disposed on the substrate. The light absorption layer is disposed on the buffer layer. The intermediate layer is disposed on the light absorption layer and has a first boundary, wherein the intermediate layer is an I-type semiconductor layer or a graded refractive index layer. The multiplication/window layer is disposed on the intermediate layer and has a second boundary, wherein in a top view, the first boundary surrounds the second boundary, and a distance between the first boundary and the second boundary is greater than or equal to 1 micrometer. The non-diffusion type photodiode can reduce generation of dark current.Type: GrantFiled: June 24, 2021Date of Patent: July 11, 2023Assignee: LANDMARK OPTOELECTRONICS CORPORATIONInventors: Huang-wei Pan, Hung-Wen Huang, Yung-Chao Chen, Yi-Hsiang Wang
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Publication number: 20220336690Abstract: A non-diffusion type photodiode is described and has: a substrate, a buffer layer, a light absorption layer, an intermediate layer, and a multiplication/window layer. The buffer layer is disposed on the substrate. The light absorption layer is disposed on the buffer layer. The intermediate layer is disposed on the light absorption layer and has a first boundary, wherein the intermediate layer is an I-type semiconductor layer or a graded refractive index layer. The multiplication/window layer is disposed on the intermediate layer and has a second boundary, wherein in a top view, the first boundary surrounds the second boundary, and a distance between the first boundary and the second boundary is greater than or equal to 1 micrometer. The non-diffusion type photodiode can reduce generation of dark current.Type: ApplicationFiled: June 24, 2021Publication date: October 20, 2022Inventors: Huang-wei PAN, Hung-Wen HUANG, Yung-Chao CHEN, Yi-Hsiang WANG
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Publication number: 20220161453Abstract: An ultrasonic cutter includes a tool holder and an ultrasonic oscillator. The tool holder has a lower circular air-out aisle defined by sleeving an inner ring and an outer ring. The inner ring has oppositely a first surface and a second surface, and the outer ring has oppositely a third surface and a fourth surface. A gap spacing the first surface from the third surface has an upper air inlet and a lower air outlet. The second surface has a lower inner inclined surface forming a first angle with the first surface. The fourth surface has an outer inclined surface forming a second angle with the third surface. The ultrasonic oscillator, disposed in a chamber of the tool holder spatially connected with the gap, is used for providing ultrasonic oscillation to a cutter. In addition, a cooling and chip diversion system for the ultrasonic cutter is also provided.Type: ApplicationFiled: March 16, 2021Publication date: May 26, 2022Inventors: YAN-SIN LIAO, YU-SHIANG HUANG, YUNG-CHAO CHAN, SHIH-CHIEH LO,, SZU-CHIA LIN, CHIU-HUNG LI
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Publication number: 20220143825Abstract: The present invention provides an automated process robotic system with integrated process and automated data analysis, comprising a customer-end equipment. The customer-end equipment loads at least one storage device to execute an automated process program, which provides a built-in browser. In addition, the customer-end equipment loads the storage device to execute the automated process program, and the automated process program loads a saved script program in order to execute a corresponding batch task via the built-in browser.Type: ApplicationFiled: November 12, 2021Publication date: May 12, 2022Inventors: YUNG-CHAO TSENG, MING HSUEH YU
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Publication number: 20210126489Abstract: A power and signal transmission device for a spindle of a machine tool is provided. The power and signal transmission device includes a spindle fixing portion, a shaft rotating portion, a power transmission component and a signal transmission component. The spindle fixing portion is provided with a power input end, a primary side power induction coil, a secondary side signal induction coil and at least one signal output end. The shaft rotating portion is provided with a joining end surface for bonding to a holder, a secondary side power induction coil and a primary side signal induction coil, and is rotatable with respect to the spindle fixing portion. The power transmission component transmits an electrical energy from the power input end. The signal transmission component transmits a holder signal to the signal output end. Each of the power and signal transmission components includes at least one elastic pogo pin.Type: ApplicationFiled: December 18, 2019Publication date: April 29, 2021Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Shiang HUANG, Jenq-Shyong CHEN, Shi-Jie LUO, Shou-Xuan CHANG, Yung-Chao CHAN, Szu-Chia LIN
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Patent number: 10992178Abstract: A power and signal transmission device for a spindle of a machine tool is provided. The power and signal transmission device includes a spindle fixing portion, a shaft rotating portion, a power transmission component and a signal transmission component. The spindle fixing portion is provided with a power input end, a primary side power induction coil, a secondary side signal induction coil and at least one signal output end. The shaft rotating portion is provided with a joining end surface for bonding to a holder, a secondary side power induction coil and a primary side signal induction coil, and is rotatable with respect to the spindle fixing portion. The power transmission component transmits an electrical energy from the power input end. The signal transmission component transmits a holder signal to the signal output end. Each of the power and signal transmission components includes at least one elastic pogo pin.Type: GrantFiled: December 18, 2019Date of Patent: April 27, 2021Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Shiang Huang, Jenq-Shyong Chen, Shi-Jie Luo, Shou-Xuan Chang, Yung-Chao Chan, Szu-Chia Lin
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Patent number: 10909431Abstract: A method and a system for digital direct imaging, an image generating method and an electronic device are provided. The method for digital direct imaging includes: obtaining a first image of a first format; converting the first image into a second image of a second format, wherein the second image includes a contour description; generating a correction parameter according to at least one mark on a substrate; correcting the second image according to the contour description and the correction parameter; and performing a rasterization operation on the corrected second image and imaging the second image processed by the rasterization operation on the substrate by an exposure device.Type: GrantFiled: September 4, 2018Date of Patent: February 2, 2021Assignee: Industrial Technology Research InstituteInventors: Shau-Yin Tseng, Chien-Hung Lin, Yu-Sheng Lee, Yung-Chao Chen, Chih-Wei Hsu
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Patent number: 10843573Abstract: A charging station is provided herein for being adapted to bear an unmanned vehicle. The charging station includes a platform and a charging mechanism. The charging mechanism is disposed on the platform, and the charging mechanism may be electrically connected to the unmanned vehicle for charging by a movement over the platform. In addition, a charging station module including a plurality of the aforesaid charging stations is also provided.Type: GrantFiled: November 22, 2017Date of Patent: November 24, 2020Assignee: Industrial Technology Research InstituteInventors: Yung-Chao Chen, Chien-Hung Lin, Yu-Sheng Lee, Tsung-Hsien Chen
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Patent number: 10737581Abstract: An adaptive power supply system for an unmanned vehicle and an operation method thereof are provided. The adaptive power supply system includes an adaptive power supply, a battery, a sensing circuit, and a power dispatch controller. The output terminal of the adaptive power supply powers the load circuit of the unmanned vehicle. The battery is coupled to the output terminal of the adaptive power supply. The sensing circuit senses the output of the output terminal of the adaptive power supply and the output of the battery. The power dispatch controller controls the output of the output terminal of the adaptive power supply according to the sensing result of the sensing circuit. The power dispatch controller determines whether one or both of the adaptive power supply and the battery power the load circuit by adjusting the output of the adaptive power supply.Type: GrantFiled: December 11, 2018Date of Patent: August 11, 2020Assignee: Industrial Technology Research InstituteInventors: Chien-Hung Lin, Yu-Sheng Lee, Chih-Wei Hsu, Yung-Chao Chen, Hsien-Ching Hsieh
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Publication number: 20200201189Abstract: An exposure apparatus including an optical device set and a substrate carrying platform is provided. The optical device set includes a plurality of light sources, at least one rotating beam deflector and at least one deflector set. The plurality of light sources are configured to emit a plurality of beams. Each deflector set includes a plurality of deflectors. The substrate carrying platform is configured to move an exposed substrate disposed on the substrate carrying platform relative to the optical device set along a relative movement direction. The plurality of beams sequentially travel through the at least one rotating beam deflector and the plurality of deflectors to be projected on the exposed substrate. Trajectories of the plurality of beams projected on the exposed substrate form a plurality of scan lines through rotation of the at least one rotating beam deflector.Type: ApplicationFiled: May 28, 2019Publication date: June 25, 2020Applicant: Industrial Technology Research InstituteInventors: Chien-Hung Lin, Yung-Chao Chen, Chih-Wei Hsu, Yu-Sheng Lee, Shau-Yin Tseng
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Publication number: 20190366860Abstract: An adaptive power supply system for an unmanned vehicle and an operation method thereof are provided. The adaptive power supply system includes an adaptive power supply, a battery, a sensing circuit, and a power dispatch controller. The output terminal of the adaptive power supply powers the load circuit of the unmanned vehicle. The battery is coupled to the output terminal of the adaptive power supply. The sensing circuit senses the output of the output terminal of the adaptive power supply and the output of the battery. The power dispatch controller controls the output of the output terminal of the adaptive power supply according to the sensing result of the sensing circuit. The power dispatch controller determines whether one or both of the adaptive power supply and the battery power the load circuit by adjusting the output of the adaptive power supply.Type: ApplicationFiled: December 11, 2018Publication date: December 5, 2019Applicant: Industrial Technology Research InstituteInventors: Chien-Hung Lin, Yu-Sheng Lee, Chih-Wei Hsu, Yung-Chao Chen, Hsien-Ching Hsieh
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Patent number: 10406643Abstract: A machining thermostatic control system and method of using the same are disclosed. The system comprises a detecting unit, a processing unit and at least a cooling unit. The detecting unit is used for detecting the temperature distribution of a workpiece. The processing unit is coupled to the detecting unit and is used for processing the temperature distribution for obtaining a position of maximum hot spot of the workpiece. The cooling unit comprises a head which is provided for discharging cooling fluid and a plurality of blades which are angle-adjustably mounted to the head. The blades are coupled to the processing unit and the angle of blades are controlled by the processing unit for enabling the cooling fluid to flow toward to the position of maximum hot spot position.Type: GrantFiled: November 11, 2016Date of Patent: September 10, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kun-Ying Li, Kuan-Wen Chen, Hsi-Hung Hsiao, Yung-Chao Chan, Shi-Jie Luo, Yu-Shiang Huang
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Publication number: 20190197374Abstract: A method and a system for digital direct imaging, an image generating method and an electronic device are provided. The method for digital direct imaging includes: obtaining a first image of a first format; converting the first image into a second image of a second format, wherein the second image includes a contour description; generating a correction parameter according to at least one mark on a substrate; correcting the second image according to the contour description and the correction parameter; and performing a rasterization operation on the corrected second image and imaging the second image processed by the rasterization operation on the substrate by an exposure device.Type: ApplicationFiled: September 4, 2018Publication date: June 27, 2019Applicant: Industrial Technology Research InstituteInventors: Shau-Yin Tseng, Chien-Hung Lin, Yu-Sheng Lee, Yung-Chao Chen, Chih-Wei Hsu
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Patent number: 10291847Abstract: A portable device and a manipulation method thereof are disclosed in this disclosure. The portable device includes a camera unit, a communication unit, a first switch button and a control module. The communication unit is configured for establishing a connection to a cloud server through a cellular telephony network. The first switch button is disposed on the portable device and configured for sensing a first manipulation input. The control module is coupled with the camera unit and the first switch button. In response to the first manipulation input sensed by the first switch button, the control module being adapted to trigger the camera unit for capturing an image, a streaming video or a video selectively according to a holding duration of the first manipulation input, and to trigger the communication unit for uploading the image, the streaming video or the video onto the cloud server.Type: GrantFiled: September 7, 2015Date of Patent: May 14, 2019Assignee: HTC CorporationInventors: Ssu-Po Chin, Yung-Chao Tseng, Hsin-Ti Chueh
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Patent number: 10225713Abstract: A method for establishing a wireless connection comprises initiating, by a first device, a procedure of establishing a first wireless connection of a first communication protocol with relatively higher data rate and higher power consumption, between the first electronic device and a second electronic device, in response to one of: (a) detecting a first signal from a peripheral unit of the first electronic device, the first signal leading the first electronic device to become active and (b) detecting a second signal from the second electronic device via a second wireless connection of a second communication protocol established between the first electronic device and the second electronic device, the second signal indicating that the second electronic device is in use, or in response to (c) detecting the first signal that is detected within a predetermine time after receiving the second signal.Type: GrantFiled: October 8, 2014Date of Patent: March 5, 2019Assignee: HTC CORPORATIONInventors: Jenn-Wein Wu, Chien-Chuan Chang, Yung-Chao Tseng, Hsin-Ti Chueh
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Publication number: 20180262488Abstract: A method for providing secure communication is provided. The method is used in a system including at least an electronic device and a card device. The method includes encrypting data transmitted to or decrypting data received from a second electronic device based on a first private key which is stored in the card device and is associated with the electronic device over a wireless connection between the electronic device and the card device, wherein the wireless connection is established when the card device is detected as being in proximity to the electronic device.Type: ApplicationFiled: March 9, 2018Publication date: September 13, 2018Inventors: Yung-Chao TSENG, Tsu-Chin WU, Chih-Ling CHIEN
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Publication number: 20180198625Abstract: A method for automatic re-authentication is provided. The method includes: transmitting, by a client device, a challenge to a key device; signing, by the key device, the challenge with a digital signature generated by using a private key and transmitting the digital signature of the challenge to the service server when the key device is connected to the client device; receiving, by the service server, the digital signature of the challenge and authenticating the digital signature with a public key stored in the service server; establishing, by the service server, a service connection between the client device and a service provided by the service server to allow the client device to access the service when the digital signature is verified; and performing, by the service server, a re-authentication operation with the client device and the key device according to a connection between the client device and the key device.Type: ApplicationFiled: January 11, 2018Publication date: July 12, 2018Inventor: Yung-Chao TSENG
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Publication number: 20180178665Abstract: A charging station is provided herein for being adapted to bear an unmanned vehicle. The charging station includes a platform and a charging mechanism. The charging mechanism is disposed on the platform, and the charging mechanism may be electrically connected to the unmanned vehicle for charging by a movement over the platform. In addition, a charging station module including a plurality of the aforesaid charging stations is also provided.Type: ApplicationFiled: November 22, 2017Publication date: June 28, 2018Applicant: Industrial Technology Research InstituteInventors: Yung-Chao Chen, Chien-Hung Lin, Yu-Sheng Lee, Tsung-Hsien Chen
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Publication number: 20180150219Abstract: A data accessing system, a data accessing apparatus, and a method for accessing data are provided. A memory controller accesses a target data according to an access command, wherein the access command includes an access information, and the memory controller obtains an access rule corresponding to a data attribute of the target data according to the access information and performs an access operation for the access information in a hybrid memory according to the access rule.Type: ApplicationFiled: December 29, 2016Publication date: May 31, 2018Applicant: Industrial Technology Research InstituteInventors: Yung-Chao Chen, Chien-Hung Lin, Chih-Wei Hsu, Yu-Sheng Lee
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Patent number: 9979952Abstract: A method for creating a parallax video from a still image includes following steps. Image segmentation is performed for separating at least a foreground object within the still image from an image background of the still image. A blank region of the image background is filled, and the blank region corresponds to where the separated foreground object locates within the still image. A virtual three-dimensional (3D) scene consisting of the foreground object and the image background is created. The virtual 3D scene is analyzed for determining a camera path; and, creating the parallax video by observing the virtual 3D scene with a virtual camera moving along the camera path.Type: GrantFiled: July 2, 2014Date of Patent: May 22, 2018Assignee: HTC CorporationInventors: Huai-Che Lee, Li-Cheng Chen, Yung-Chao Tseng, Hsin-Ti Chueh