Patents by Inventor Chung Kai Chen
Chung Kai 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: 20240125647Abstract: According to one embodiment, a sensor device comprises a sensor configured to output a sense signal, a value the sense signal changing over time based on incident light, a first reset circuit configured to set the value of the sense signal to a reset value when the value of the sense signal exceeds a threshold, a counter configured to count a first number of times of reset by the first reset circuit, and an arithmetic operation circuit configured to calculate an amount of incident light of a certain period based on the value of the sense signal, the reset value, and the first number of times of reset.Type: ApplicationFiled: October 18, 2022Publication date: April 18, 2024Applicant: Japan Display Inc.Inventors: Naoki TAKADA, Xingle WANG, Chung-Kai CHEN
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Patent number: 11953373Abstract: According to one embodiment, a sensor device comprises a sensor configured to output a sense signal, a value the sense signal changing over time based on incident light, a first reset circuit configured to set the value of the sense signal to a reset value when the value of the sense signal exceeds a threshold, a counter configured to count a first number of times of reset by the first reset circuit, and an arithmetic operation circuit configured to calculate an amount of incident light of a certain period based on the value of the sense signal, the reset value, and the first number of times of reset.Type: GrantFiled: October 18, 2022Date of Patent: April 9, 2024Assignee: JAPAN DISPLAY INC.Inventors: Naoki Takada, Xingle Wang, Chung-Kai Chen
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Publication number: 20220253167Abstract: A touch detecting system includes a detection panel that generates a detection signal based on a received transmitter signal and an object placed in proximity to a detection panel. The detection signal includes information about the object. A receiver circuit receives the detection signal and includes a control circuit that determines, each time a transmitter start signal becomes active, a delay time to add when generating an adaptive control signal. The transmitter start signal indicates a start of operation of the transmitter signal. A mixer circuit receives the detection signal and the adaptive control signal, and outputs a demodulated detection signal based on the detection signal and the adaptive control signal. An output circuit receives the demodulated detection signal and outputs an output detection signal that includes the information about the object placed in proximity to the detection panel.Type: ApplicationFiled: February 8, 2021Publication date: August 11, 2022Applicant: Japan Display Inc.Inventor: Chung-Kai CHEN
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Patent number: 11402938Abstract: A touch detecting system includes a detection panel that generates a detection signal based on a received transmitter signal and an object placed in proximity to a detection panel. The detection signal includes information about the object. A receiver circuit receives the detection signal and includes a control circuit that determines, each time a transmitter start signal becomes active, a delay time to add when generating an adaptive control signal. The transmitter start signal indicates a start of operation of the transmitter signal. A mixer circuit receives the detection signal and the adaptive control signal, and outputs a demodulated detection signal based on the detection signal and the adaptive control signal. An output circuit receives the demodulated detection signal and outputs an output detection signal that includes the information about the object placed in proximity to the detection panel.Type: GrantFiled: February 8, 2021Date of Patent: August 2, 2022Assignee: JAPAN DISPLAY INC.Inventor: Chung-Kai Chen
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Patent number: 10222832Abstract: A method for adhering a film to a touch pad includes adhering a fixing bracket to a back surface of a touch pad, and aligning a plurality of screw holes of the fixing bracket with a plurality of the screw holes of a front cover of a system body, respectively, and connecting the fixing bracket and the front cover of the system body using screws or bolts that engage the screw holes. A positioning wall of a positioning frame is inserted into a gap between the touch pad and the front cover of the system body from a front surface of the touch pad. A film is aligned with an opening of the positioning frame, and the film is adhered to the front surface of the touch pad. The positioning frame is removed from the front surface of the touch pad.Type: GrantFiled: March 6, 2017Date of Patent: March 5, 2019Assignee: Quanta Computer Inc.Inventors: Chung-Kai Chen, Chen Tseng
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Patent number: 10034409Abstract: Server rack assembly having a chassis and two or more power supply units configured to be received within the chassis. Each power supply unit configured to be coupled with a power distribution unit by a power cord and having an aperture formed on a front surface to receive the power cord. A chassis channel formed within the chassis to receive each power cord extending substantially the length of the chassis. Each of the two or more power supply units can be independently removable from the chassis.Type: GrantFiled: June 17, 2016Date of Patent: July 24, 2018Assignee: QUANTA COMPUTER INC.Inventors: Chao-Jung Chen, Yaw-Tzorng Tsorng, Chen-Chien Kuo, Chung-Kai Chen
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Patent number: 9936602Abstract: Various embodiments of the present technology provide systems and methods for configuring a power supply unit (PSU) of a rack system. The rack system contains one or more nodes, each of which can has a first housing and a second housing. The first housing stores a power supply unit (PSU) that can be easily accessed by a technician or a user from a front of the rack system. The second housing stores a plurality of computer-readable memory devices and has a first portion and a second portion. The first housing is positioned in the front of the rack system and in a central portion of the rack system between the first portion and the second portion of the second housing.Type: GrantFiled: September 3, 2015Date of Patent: April 3, 2018Assignee: QUANTA COMPUTER INC.Inventors: Chao-Jung Chen, Chung-Kai Chen, Chi-Fu Chen
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Publication number: 20170367210Abstract: Server rack assembly having a chassis and two or more power supply units configured to be received within the chassis. Each power supply unit configured to be coupled with a power distribution unit by a power cord and having an aperture formed on a front surface to receive the power cord. A chassis channel formed within the chassis to receive each power cord extending substantially the length of the chassis. Each of the two or more power supply units can be independently removable from the chassis.Type: ApplicationFiled: June 17, 2016Publication date: December 21, 2017Inventors: Chao-Jung CHEN, Yaw-Tzorng TSORNG, Chen-Chien KUO, Chung-Kai CHEN
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Publication number: 20170177033Abstract: A method for adhering a film to a touch pad includes adhering a fixing bracket to a back surface of a touch pad, and aligning a plurality of screw holes of the fixing bracket with a plurality of the screw holes of a front cover of a system body, respectively, and connecting the fixing bracket and the front cover of the system body using screws or bolts that engage the screw holes. A positioning wall of a positioning frame is inserted into a gap between the touch pad and the front cover of the system body from a front surface of the touch pad. A film is aligned with an opening of the positioning frame, and the film is adhered to the front surface of the touch pad. The positioning frame is removed from the front surface of the touch pad.Type: ApplicationFiled: March 6, 2017Publication date: June 22, 2017Applicant: Quanta Computer Inc.Inventors: Chung-Kai CHEN, Chen TSENG
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Patent number: 9679184Abstract: The present disclosure provides an acoustic wave fingerprint recognition unit including a sensor circuit substrate, a film adhesive layer positioned on the sensor circuit substrate, a piezoelectric material layer positioned on the film adhesive layer and a protection layer positioned on the piezoelectric material layer. The film adhesive layer is formed of a film adhesive material, and the film adhesive material is composed of a film adhesive agent and an organic solvent. The film adhesive agent is an epoxy resin, and the organic solvent is a C3-C8 and carbonyl-containing organic solvent. The solid content of the film adhesive agent in the film adhesive material is in a range of 1%-90%. A method for manufacturing the acoustic wave fingerprint recognition unit is also provided herein.Type: GrantFiled: June 3, 2015Date of Patent: June 13, 2017Assignees: INTERFACE OPTOELECTRONICS (SHENZHEN) CO., LTD., GENERAL INTERFACE SOLUTION LIMITEDInventors: Hung-Chieh Lu, Yen-Heng Huang, Chung-Kai Chen, Shih-Chieh Huang, Li-Ting Cheng
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Patent number: 9632538Abstract: The disclosure provides a positioning frame for a touch pad. The positioning frame includes a main frame and a positioning wall. The positioning wall is located at a side of the main frame and is connected to the main frame. An inner surface of the main frame and the positioning wall define an opening. An area of the opening is approximately the same as an area of a film to be adhered to the touch pad. The positioning wall is configured to insert into a gap between the touch pad and a front cover of a system body.Type: GrantFiled: May 9, 2014Date of Patent: April 25, 2017Assignee: Quanta Computer Inc.Inventors: Chung-Kai Chen, Chen Tseng
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Publication number: 20170071073Abstract: Various embodiments of the present technology provide systems and methods for configuring a power supply unit (PSU) of a rack system. The rack system contains one or more nodes, each of which can has a first housing and a second housing. The first housing stores a power supply unit (PSU) that can be easily accessed by a technician or a user from a front of the rack system. The second housing stores a plurality of computer-readable memory devices and has a first portion and a second portion. The first housing is positioned in the front of the rack system and in a central portion of the rack system between the first portion and the second portion of the second housing.Type: ApplicationFiled: September 3, 2015Publication date: March 9, 2017Inventors: Chao-Jung CHEN, Chung-Kai CHEN, Chi-Fu CHEN
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Publication number: 20160171270Abstract: The present disclosure provides an acoustic wave fingerprint recognition unit including a sensor circuit substrate, a film adhesive layer positioned on the sensor circuit substrate, a piezoelectric material layer positioned on the film adhesive layer and a protection layer positioned on the piezoelectric material layer. The film adhesive layer is formed of a film adhesive material, and the film adhesive material is composed of a film adhesive agent and an organic solvent. The film adhesive agent is an epoxy resin, and the organic solvent is a C3-C8 and carbonyl-containing organic solvent. The solid content of the film adhesive agent in the film adhesive material is in a range of 1%-90%. A method for manufacturing the acoustic wave fingerprint recognition unit is also provided herein.Type: ApplicationFiled: June 3, 2015Publication date: June 16, 2016Inventors: Hung-Chieh LU, Yen-Heng HUANG, Chung-Kai CHEN, Shih-Chieh HUANG, Li-Ting CHENG
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Patent number: 9268167Abstract: A liquid crystal display (LCD) panel includes an active device array substrate, an opposite substrate, a sealant, a liquid crystal layer, a black matrix, and a plurality of rough structures. The active device array substrate has a display area and a peripheral area surrounding the display area, and the liquid crystal layer and the peripheral area are surrounded by the sealant. The black matrix is disposed between the active device array substrate and the opposite substrate and distributed corresponding to the display area and the peripheral area. The rough structures are disposed on a portion of the black matrix and distributed corresponding to the peripheral area. Surface roughness of the rough structures is greater than surface roughness of the black matrix distributed corresponding to the display area.Type: GrantFiled: November 15, 2013Date of Patent: February 23, 2016Assignee: Au Optronics CorporationInventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Yi-Jen Huang, Chun-Jen Chiu, Yu-Zhi Wu, Yuan-Nan Chiu
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Patent number: 9151995Abstract: The present invention provides a polymer stabilization alignment liquid crystal display panel having a plurality of pixel regions defined by plurals of data lines and gate lines. Each pixel region includes a main region and a sub region, and a first pixel electrode and a second pixel electrode correspond to the main region and the sub region respectively, wherein each of the data lines has a first width adjacent to the main display region and a second width adjacent to the sub display region, and the second width is larger than the first width. Each first pixel electrode is separated from the adjacent data line and thereby forming a gap therebetween. Each second pixel electrode partially overlaps the adjacent data line to form an overlap width. Accordingly, the present invention not only can increase the aperture ratio, but also well control the liquid crystal molecules located near the data lines.Type: GrantFiled: June 14, 2013Date of Patent: October 6, 2015Assignee: AU OPTRONICS CORP.Inventors: Chin-An Tseng, Chia-Yu Lee, Yen-Heng Huang, Wen-Hsien Tseng, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Ting-Yi Cho
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Publication number: 20150160692Abstract: The disclosure provides a positioning frame for a touch pad. The positioning frame includes a main frame and a positioning wall. The positioning wall is located at a side of the main frame and is connected to the main frame. An inner surface of the main frame and the positioning wall define an opening. An area of the opening is approximately the same as an area of a film to be adhered to the touch pad. The positioning wall is configured to insert into a gap between the touch pad and a front cover of a system body.Type: ApplicationFiled: May 9, 2014Publication date: June 11, 2015Applicant: Quanta Computer Inc.Inventors: Chung-Kai CHEN, Chen TSENG
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Patent number: 9048290Abstract: A thin film transistor (TFT) array includes a substrate, a thin film transistor, a first wall, a transparent electrode and a color resist. The thin film transistor is disposed on the substrate. The first wall is disposed on the substrate and separates a first contact hole from a pixel region on the substrate, wherein the first contact hole exposes a drain electrode of the thin film transistor. The first wall has a first sidewall facing towards the first contact hole and a second sidewall facing towards the pixel region, wherein the slope of the first sidewall is gentler than the slope of the second sidewall. The transparent electrode is electrically connected to the drain electrode of the thin film transistor through the first contact hole. The pixel region is filled with the color resist.Type: GrantFiled: August 4, 2014Date of Patent: June 2, 2015Assignee: AU OPTRONICS CORPORATIONInventors: Yen-Heng Huang, Hui-Fen Lin, Chung-Kai Chen, Chia-Hui Pai, Guei-Bing Hong
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Publication number: 20150086708Abstract: A method of processing a substrate or panel is disclosed. A substrate having thereon an array of chips is provided. A mask layer is laminated on the substrate. The mask layer has a plurality of openings to reveal active areas of the chips respectively. A spray-coating process is then performed to form an adhesive film in the active areas. The mask layer is then stripped off.Type: ApplicationFiled: November 27, 2014Publication date: March 26, 2015Inventors: Hung-Chieh Lu, Yen-Heng Huang, Chung-Kai Chen, Shih-Chieh Huang, Li-Ting Cheng, Chun-Lin Tseng, Ho-Chieh Tseng, Chiou-Chi Chen, Chang-Kuei Huang, Wei-Chung Chuang
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Patent number: 8928848Abstract: A pixel structure including a substrate, a scan line, a first data line, a second data line, a first pixel unit and a second pixel unit is provided. The first pixel unit includes a first active device and a first pixel electrode. The first active device is electrically connected to the scan line and the first data line. The first pixel electrode electrically connected to the first active device and has a plurality of first branches. The first branches outwardly extend from a center of the first pixel unit, and a projection of the first branches are separated from a projection of the adjacent first data line projecting onto the substrate, and the first pixel electrode is apart from the adjacent first data line with a distance. The second pixel unit located between the first data line and the second data line.Type: GrantFiled: July 16, 2014Date of Patent: January 6, 2015Assignee: Au Optronics CorporationInventors: Wei-Yuan Cheng, Chin-An Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wen-Hsien Tseng, Ting-Yi Cho, Chia-Yu Lee
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Publication number: 20140342554Abstract: A thin film transistor (TFT) array includes a substrate, a thin film transistor, a first wall, a transparent electrode and a color resist. The thin film transistor is disposed on the substrate. The first wall is disposed on the substrate and separates a first contact hole from a pixel region on the substrate, wherein the first contact hole exposes a drain electrode of the thin film transistor. The first wall has a first sidewall facing towards the first contact hole and a second sidewall facing towards the pixel region, wherein the slope of the first sidewall is gentler than the slope of the second sidewall. The transparent electrode is electrically connected to the drain electrode of the thin film transistor through the first contact hole. The pixel region is filled with the color resist.Type: ApplicationFiled: August 4, 2014Publication date: November 20, 2014Inventors: Yen-Heng Huang, Hui-Fen Lin, Chung-Kai Chen, Chia-Hui Pai, Guei-Bing Hong