Patents by Inventor Cheng-Ta Lin

Cheng-Ta Lin 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).

  • Patent number: 11994736
    Abstract: An imaging lens assembly has an optical axis and includes an annular structure located on an object side of the imaging lens assembly and surrounds the optical axis. The annular structure is located on an object side of the imaging lens assembly, surrounds the optical axis, and includes a first through hole, a second through hole, a first frustum surface, a second frustum surface and a third frustum surface. The first through hole is disposed on an object side of the annular structure, and the second through hole is disposed on an image side of the first through hole. The first frustum surface is disposed on the image side of the first through hole. The second frustum surface is disposed on an object side of the second through hole. The third frustum surface is disposed on an image side of the second through hole.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: May 28, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Yu-Chen Lai, Ming-Ta Chou, Cheng-Feng Lin, Ming-Shun Chang
  • Publication number: 20240167163
    Abstract: An anti-diffusion substrate structure includes a substrate, a substrate circuit layer, and a chip. The substrate has multiple through holes. Within each of the through holes includes a first metal layer and an anti-diffusion layer plated on the first metal layer. The anti-diffusion layer is an Electroless Palladium Immersion Gold (EPIG) layer or an Electroless Nickel Electroless Palladium Immersion Gold (ENEPIG) layer. The substrate circuit layer is mounted on the substrate and extended on the anti-diffusion layer within each of the through holes. The substrate circuit layer is made of a second metal layer, and a composition of the second metal layer is different from a composition of the first metal layer. The chip is electrically connected to the substrate circuit layer. The anti-diffusion layer is able to better prevent material of the first metal layer from migrating or diffusing to the second metal layer.
    Type: Application
    Filed: December 23, 2022
    Publication date: May 23, 2024
    Inventors: YI LING CHEN, WEI TSE HO, CHIN-SHENG WANG, PU-JU LIN, CHENG-TA KO
  • Patent number: 11991824
    Abstract: A circuit board structure includes a first sub-circuit board, a second sub-circuit board, and a third sub-circuit board. The first sub-circuit board has an upper surface and a lower surface opposite to each other, and includes at least one first conductive through hole. The second sub-circuit board is disposed on the upper surface of the first sub-circuit board and includes at least one second conductive through hole. The third sub-circuit board is disposed on the lower surface of the first sub-circuit board and includes at least one third conductive through hole. At least two of the first conductive through hole, the second conductive through hole, and the third conductive through hole are alternately arranged in an axial direction perpendicular to an extending direction of the first sub-circuit board. The first, second and third sub-circuit boards are electrically connected to one another.
    Type: Grant
    Filed: September 26, 2021
    Date of Patent: May 21, 2024
    Assignee: Unimicron Technology Corp.
    Inventors: Tzyy-Jang Tseng, Cheng-Ta Ko, Pu-Ju Lin, Chi-Hai Kuo, Shao-Chien Lee, Ming-Ru Chen, Cheng-Chung Lo
  • Patent number: 11975958
    Abstract: An automatic fluid replacement device is adapted to be mounted on an opening of a storage barrel. The automatic fluid replacement device includes a robotic arm, at least one fluid convey joint and a controller. The robotic arm has a gripper. The fluid convey joint includes a convey pipe, a sleeve and a sealing bag. The convey pipe is configured to deliver a fluid. The sleeve is sleeved on the convey pipe. The gripper clamps the sleeve. The sealing bag is sleeved on the sleeve. The controller is configured for automatically controlling the robotic arm to move the fluid convey joint into the opening and controlling the sealing bag to be inflated to seal the opening.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: May 7, 2024
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Cheng-Han Tsai, Wei-Lung Pan, Chih-Ta Wu, I-hsin Lin
  • Patent number: 11971539
    Abstract: An annular optical element includes an outer annular surface, an inner annular surface, a first side surface, a second side surface and a plurality of strip-shaped wedge structures. The outer annular surface surrounds a central axis of the annular optical element and includes at least two shrunk portions. The first side surface connects the outer annular surface and the inner annular surface. The second side surface connects the outer annular surface and the inner annular surface, wherein the second side surface is disposed correspondingly to the first side surface. The strip-shaped wedge structures are disposed on the inner annular surface, wherein each of the strip-shaped wedge structures is disposed along a direction from the first side surface towards the second side surface and includes an acute end and a tapered portion connecting the inner annular surface and the acute end.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: April 30, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Cheng-Feng Lin, Wei-Hung Weng, Ming-Ta Chou
  • Publication number: 20240138059
    Abstract: A circuit board structure includes a carrier, a thin film redistribution layer disposed on the carrier, solder balls electrically connected to the thin film redistribution layer and the carrier, and a surface treatment layer. The thin film redistribution layer includes a first dielectric layer, pads, a first metal layer, a second dielectric layer, a second metal layer, and a third dielectric layer. A top surface of the first dielectric layer is higher than an upper surface of each pad. The first metal layer is disposed on a first surface of the first dielectric layer. The second dielectric layer has second openings exposing part of the first metal layer. The second metal layer extends into the second openings and is electrically connected to the first metal layer. The third dielectric layer has third openings exposing part of the second metal layer. The surface treatment layer is disposed on the upper surfaces.
    Type: Application
    Filed: November 23, 2022
    Publication date: April 25, 2024
    Applicant: Unimicron Technology Corp.
    Inventors: Kai-Ming Yang, Chia-Yu Peng, Cheng-Ta Ko, Pu-Ju Lin
  • Publication number: 20240138063
    Abstract: A circuit board structure includes a carrier, a thin film redistribution layer disposed on the carrier, solder balls electrically connected to the thin film redistribution layer and the carrier, and a surface treatment layer. The thin film redistribution layer includes a plurality of pads, a first dielectric layer, a first metal layer, a second dielectric layer, a second metal layer, and a third dielectric layer. A plurality of first openings of the first dielectric layer expose part of the pads, and a first surface of the first dielectric layer is higher upper surfaces of the pads. The solder balls are disposed in a plurality of third openings of the third dielectric layer and are electrically connected to the second metal layer and the carrier. The surface treatment layer is disposed on the upper surfaces, and a top surface of the surface treatment layer is higher than the first surface.
    Type: Application
    Filed: November 15, 2022
    Publication date: April 25, 2024
    Applicant: Unimicron Technology Corp.
    Inventors: Ping-Tsung Lin, Kai-Ming Yang, Chia-Yu Peng, Pu-Ju Lin, Cheng-Ta Ko
  • Patent number: 11968293
    Abstract: Context information of a handshake between a source entity and a target entity is obtained at a security proxy. The context information is transmitted from the security proxy to a key manager. The key manager maintains a first private key of the security proxy. A first handshake message is received from the key manager. The first handshake message is generated at least based on the context information and signed with the first private key. The first handshake message is then transmitted to the target entity.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: April 23, 2024
    Assignee: International Business Machines Corporation
    Inventors: Wei-Hsiang Hsiung, Chun-Shuo Lin, Wei-Jie Liau, Cheng-Ta Lee
  • Publication number: 20240128179
    Abstract: A package structure includes a first substrate, a second substrate disposed on the first substrate, a third substrate disposed on the second substrate, and multiple chips mounted on the third substrate. A second coefficient of thermal expansion (CTE) of the second substrate is less than a first CTE of the first substrate. The third substrate includes a first sub-substrate, a second sub-substrate in the same level with the first sub-substrate, a third sub-substrate in the same level with the first sub-substrate. A CTE of the first sub-substrate, a CTE of the second sub-substrate, and a CTE of the third sub-substrate are less than the second CTE of the second substrate.
    Type: Application
    Filed: November 8, 2022
    Publication date: April 18, 2024
    Inventors: Jyun-Hong CHEN, Chi-Hai KUO, Pu-Ju LIN, Cheng-Ta KO
  • Patent number: 11955587
    Abstract: A light emitting diode (LED) package structure includes a glass substrate, conductive through holes, active elements, an insulating layer, LEDs and pads. The glass substrate has an upper surface and a lower surface. The conductive through holes penetrate the glass substrate and connect the upper and the lower surfaces. The active elements are disposed on the upper surface of the glass substrate and electrically connected to the conductive through holes. The insulating layer is disposed on the upper surface and covers the active elements. The LEDs are disposed on the insulating layer and electrically connected to at least one of the active elements. The pads are disposed on the lower surface of the glass substrate and electrically connected to the conductive through holes. A source of at least one active elements is directly electrically connected to at least one of the corresponding pads through the corresponding conductive through hole.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: April 9, 2024
    Assignee: Unimicron Technology Corp.
    Inventors: Jeng-Ting Li, Chi-Hai Kuo, Cheng-Ta Ko, Pu-Ju Lin
  • Patent number: 11947694
    Abstract: A method, a computer program product, and a system for implementing a dynamic virtual database honeypot. The method includes relaying a query request received from a database client to a database and receiving, from the database, a response relating to the query request. The method also includes determining the query request is an attack on the database based on session information relating to the database and the database client, generating a honey token based on information contained within the response, generating an alternate response formatted in a same format as the response and containing artificial information that masks the information contained within the response. The method further includes inserting the honey token into the alternate response and transmitting the alternate response to the database client.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: April 2, 2024
    Assignee: International Business Machines Corporation
    Inventors: Galia Diamant, Richard Ory Jerrell, Chun-Shuo Lin, Wei-Hsiang Hsiung, Cheng-Ta Lee, Wei-Jie Liau
  • Patent number: 11943877
    Abstract: A circuit board structure includes a circuit substrate having opposing first and second sides, a redistribution structure disposed at the first side, and a dielectric structure disposed at the second side. The circuit substrate includes a first circuit layer disposed at the first side and a second circuit layer disposed at the second side. The redistribution structure is electrically coupled to the circuit substrate and includes a first leveling dielectric layer covering the first circuit layer, a first thin-film dielectric layer disposed on the first leveling dielectric layer and having a material different from the first leveling dielectric layer, and a first redistributive layer disposed on the first thin-film dielectric layer and penetrating through the first thin-film dielectric layer and the first leveling dielectric layer to be in contact with the first circuit layer. The dielectric structure includes a second leveling dielectric layer disposed below the second circuit layer.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: March 26, 2024
    Assignee: Unimicron Technology Corp.
    Inventors: Wen-Yu Lin, Kai-Ming Yang, Chen-Hao Lin, Pu-Ju Lin, Cheng-Ta Ko, Chin-Sheng Wang, Guang-Hwa Ma, Tzyy-Jang Tseng
  • Publication number: 20240085671
    Abstract: An annular light trapping component includes an inner surface, an outer surface, an object-side surface and an image-side surface. The inner surface includes multiple L-shaped annular grooves. The annular light trapping component includes multiple stripe-shaped structures in the L-shaped annular grooves. The L-shaped annular grooves include an object-side L-shaped annular groove closest to the object-side surface and an image-side L-shaped annular groove closest to the image-side surface. A bottom diameter of the image-side L-shaped annular groove is larger than a bottom diameter of the object-side L-shaped annular groove. Each L-shaped annular groove includes a first side and a second side located between the object-side surface and the image-side surface. The stripe-shaped structures are disposed on the first side or the second side. A degree of inclination between the first side and the central axis is larger than a degree of inclination between the second side and the central axis.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta CHOU, Cheng-Feng LIN, Wei-Hung WENG
  • Publication number: 20240067512
    Abstract: An automatic fluid replacement device is adapted to be mounted on an opening of a storage barrel. The automatic fluid replacement device includes a robotic arm, at least one fluid convey joint and a controller. The robotic arm has a gripper. The fluid convey joint includes a convey pipe, a sleeve and a sealing bag. The convey pipe is configured to deliver a fluid. The sleeve is sleeved on the convey pipe. The gripper clamps the sleeve. The sealing bag is sleeved on the sleeve. The controller is configured for automatically controlling the robotic arm to move the fluid convey joint into the opening and controlling the sealing bag to be inflated to seal the opening.
    Type: Application
    Filed: October 27, 2022
    Publication date: February 29, 2024
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Cheng-Han TSAI, Wei-Lung PAN, Chih-Ta WU, I-hsin LIN
  • Publication number: 20130304280
    Abstract: A vehicle control and display system to control the vehicle systems and display vehicle information. A control processing unit communicates with remote units and the vehicle systems wherein when the control processing unit receives commands from the remote units, the control processing unit transfers these commands to the vehicle systems. The vehicle information is displayed on the control processing unit or on the remote units. The control processing unit receives vehicle information from the vehicle systems and transfers that information to remote units to be displayed.
    Type: Application
    Filed: May 14, 2012
    Publication date: November 14, 2013
    Inventors: Michael Tai-Hao Wen, Jerry Lin, Cheng Ta Lin
  • Patent number: 8575852
    Abstract: A multi-lamp driving system includes a power stage circuit, a pulse width modulation (PWM) controller, a plurality of transformer circuits, and an abnormal detection circuit. Each of the transformer circuits includes a first primary winding and a second primary winding connected in series and a first secondary winding and a second secondary winding respectively outputting AC power signals to drive at least one lamp. The abnormal detection circuit is connected to a junction of the first primary winding and the second primary winding of each of the transformer circuits, and determines if voltages of the junction of the first primary winding and the second primary winding of each of the transformer circuits are different to determine if the at least two lamps are normal. The abnormal detection circuit further generate control signals to control the PWM controller upon the condition that one of the at least two lamps are abnormal.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: November 5, 2013
    Assignee: Ampower Technology Co., Ltd.
    Inventors: Chih-Chan Ger, Yu-Hsiao Chao, Cheng-Ta Lin
  • Publication number: 20120256557
    Abstract: A multi-lamp driving system includes a power stage circuit, a pulse width modulation (PWM) controller, a plurality of transformer circuits, and an abnormal detection circuit. Each of the transformer circuits includes a first primary winding and a second primary winding connected in series and a first secondary winding and a second secondary winding respectively outputting AC power signals to drive at least one lamp. The abnormal detection circuit is connected to a junction of the first primary winding and the second primary winding of each of the transformer circuits, and determines if voltages of the junction of the first primary winding and the second primary winding of each of the transformer circuits are different to determine if the at least two lamps are normal. The abnormal detection circuit further generate control signals to control the PWM controller upon the condition that one of the at least two lamps are abnormal.
    Type: Application
    Filed: June 24, 2011
    Publication date: October 11, 2012
    Applicant: AMPOWER TECHNOLOGY CO., LTD.
    Inventors: CHIH-CHAN GER, YU-HSIAO CHAO, CHENG-TA LIN
  • Patent number: 8247996
    Abstract: A backlight driving system comprises a first inverter circuit, a second inverter circuit, a pulse width modulation (PWM) controller, a frequency regulator and a switch circuit. The pulse width modulation (PWM) controller generates an illumination signal to control the first and second inverter circuits to illuminate first and second backlight units in response to a first enable signal, and generates a maintaining signal to control the first and second inverter circuits to maintain stable lighting of the first and second backlight units in response to a first feedback signal. The frequency regulator controls the PWM controller to generate the illumination signal and the maintaining signal in response to a second enable signal and a second feedback signal, respectively. The switch circuit connects the PWM controller to the second inverter circuit in response to the second enable signal.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: August 21, 2012
    Assignee: Ampower Technology Co., Ltd.
    Inventors: Wei-Chi Huang, Cheng-Ta Lin, Tsung-Liang Hung
  • Patent number: 8203525
    Abstract: A dual-lamp driving circuit includes a first frequency switch control circuit, a second frequency switch control circuit, a pulse-width modulation (PWM) control circuit, a first power stage circuit, a second power stage circuit, a conversion circuit, and a feedback circuit. The first frequency switch control circuit receives a first enable signal, and outputs a first frequency switch signal according to the first enable signal. The second frequency switch control circuit receives a second enable signal, and outputs a second frequency switch signal according to the second enable signal. The PWM control circuit outputs various PWM control signals according to the first frequency switch signal and the second frequency switch signal. The feedback circuit feeds back a first current signal from the first lamp to the frequency switch control circuit, and a second current signal from the second lamp to the frequency switch control circuit.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: June 19, 2012
    Assignee: Ampower Technology Co., Ltd.
    Inventors: Cheng-Ta Lin, Tsung-Liang Hung, Yi-Hsun Lin
  • Publication number: 20110253348
    Abstract: An ionic thermal dissipation device includes an ionic wind generating system and a power system to drive the ionic wind generating system. The power system first converts external direct current power signals into alternating current (AC) power signals, and boosts the AC power signals. The power system doubles voltage of the boosted AC power signals, and rectifies the boosted AC power signals to generate high voltage direct current power signals to drive the ionic wind generating system. The power system also detects current signals generated by ion excitation of the ionic wind generating system, and regulates the high voltage direct current power signals according to the detected current signals.
    Type: Application
    Filed: July 28, 2010
    Publication date: October 20, 2011
    Applicant: AMPOWER TECHNOLOGY CO., LTD.
    Inventors: WEI-CHI HUANG, YU-HSIAO CHAO, TSUNG-LIANG HUNG, CHI-HSIUNG LEE, CHENG-TA LIN