Patents by Inventor Chung-Jen Wang

Chung-Jen Wang 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: 12266673
    Abstract: A semiconductor package includes electric integrated circuit dies, photoelectric integrated circuit dies, and an inter-chip waveguide. The electric integrated circuit dies are laterally encapsulated by a first insulating encapsulant. The photoelectric integrated circuit dies are laterally encapsulated by a second insulating encapsulant. Each one of photoelectric integrated circuit dies includes an optical input/output terminal. The inter-chip waveguide is disposed over the second insulating encapsulant, wherein the photoelectric integrated circuit dies are optically communicated with each other through the inter-chip waveguide.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: April 1, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Lun Chang, Ching-Hua Hsieh, Chung-Hao Tsai, Chung-Shi Liu, Chuei-Tang Wang, Hsiu-Jen Lin
  • Patent number: 12259572
    Abstract: An optical composite structure includes first, second and third prism sheets. The first prism sheet has a first light incident surface and a first light exit surface opposite to each other. The second prism sheet has a second light incident surface facing the first light exit surface and a second light exit surface opposite to the second light incident surface, and includes a haze layer having the second light incident surface and a prism layer which is stacked on the haze layer and which has the second light exit surface. The third prism sheet has a third light incident surface facing the second light exit surface, and includes a haze layer and a prism layer stacked on the haze layer of the third prism sheet. The haze layer of the third prism sheet has a haze greater than a haze of the haze layer of the second prism sheet.
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: March 25, 2025
    Assignee: OPTIVISION TECHNOLOGY INC.
    Inventors: Chung-Wei Wang, Li-Jen Hsu, Hao-Ying Hsu
  • Publication number: 20250076599
    Abstract: A device structure includes: an interposer including metal wiring structures and optical waveguides that are embedded in interlayer dielectric layers, wherein the interposer includes a stepped outer sidewall including an outermost vertical surface segment, a laterally-recessed sidewall segment that is laterally recessed relative to the outermost vertical surface segment, and a connecting horizontal surface segment that connects the outermost vertical surface segment and the laterally-recessed vertical sidewall segment; and a fiber access unit having a first end that is optically coupled to a subset of the optical waveguides through at least one optical glue portion that is interposed between the fiber access unit and the laterally-recessed sidewall segment of the stepped outer sidewall.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 6, 2025
    Inventors: Tsung-Fu Tsai, Chao-Jen Wang, Szu-Wei Lu, Chung-Shi Liu, Chen-Hua Yu
  • Publication number: 20250060525
    Abstract: An optical composite structure includes first, second and third prism sheets. The first prism sheet has a first light incident surface and a first light exit surface opposite to each other. The second prism sheet has a second light incident surface facing the first light exit surface and a second light exit surface opposite to the second light incident surface, and includes a haze layer having the second light incident surface and a prism layer which is stacked on the haze layer and which has the second light exit surface. The third prism sheet has a third light incident surface facing the second light exit surface, and includes a haze layer and a prism layer stacked on the haze layer of the third prism sheet. The haze layer of the third prism sheet has a haze greater than a haze of the haze layer of the second prism sheet.
    Type: Application
    Filed: December 18, 2023
    Publication date: February 20, 2025
    Inventors: Chung-Wei WANG, Li-Jen HSU, Hao-Ying HSU
  • Publication number: 20250038073
    Abstract: A package structure and a method for forming the same are provided. The package structure includes a first package structure and a second package structure. The first package structure includes a first device formed over a first substrate. The first device includes a first conductive plug connected to a through substrate via (TSV) structure formed in the first substrate. A buffer layer surrounds the first substrate. A first bonding layer is formed over the first substrate and the buffer layer. The second package structure includes a second device formed over a second substrate. A second bonding layer is formed over the second device. A hybrid bonding structure is between the first package structure and the second package structure by bonding the first bonding layer to the second bonding layer.
    Type: Application
    Filed: July 27, 2023
    Publication date: January 30, 2025
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ke-Han SHEN, Chih-Yuan CHEN, Jiung WU, Hung-Yi Kuo, Chung-Ju LEE, Tung-He CHOU, Ji CUI, Kuo-Chung YEE, Chen-Hua YU, Cheng-Chieh HSIEH, Yu-Jen LIEN, Yian-Liang KUO, Shih-Hao TSENG, Jen Yu WANG, Tzu-Chieh Chou
  • Patent number: 8836286
    Abstract: A storage battery charge circuit for charging a battery is provided. The circuit includes a voltage input port, a converting circuit, and a charge circuit. The voltage input port is for being connected to a power source to receive a logic high level voltage. The converting circuit is connected to the voltage input port to convert the received logic high level voltage into a control signal including a logic high level voltage and a logic low level voltage alternately and the mark space ratio is not equal to one. The charge circuit is connected to the converting circuit to charge the battery or discharge the battery according to the control signal.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: September 16, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Jun-Wei Zhang, Shih-Fang Wong, Tsung-Jen Chuang, Jun Zhang, Chia-Hung Chien, Chung-Jen Wang
  • Patent number: 8799686
    Abstract: A power supply circuit includes a voltage converting module, a detecting module, a processor, and a selecting module. The voltage converting module includes at least one output port, each of which is connected to one load circuit to form a loop circuit. The detecting module can be selectively connected to a selected one of the formed loop circuits to detect at least one parameter of the loop circuit. The processor controls the selecting module to connect the detecting module to the selected loop circuit, and further determines the current of the loop circuit according to the at least one parameter.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: August 5, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Chung-Jen Wang, Li-Sheng Shu, Tsung-Jen Chuang, Shih-Fang Wong
  • Patent number: 8661174
    Abstract: A master-slave system includes a master and a slave. The master includes a first communication interface, a master controller, and a voltage meter. The voltage meter is connected to the first communication interface and the master controller. The slave includes a second communication interface, an input unit, a slave controller, and a control indicator unit. The control indicator unit is connected to the second communication interface and the slave controller. The salve controller controls voltage of a node between the control indicator unit and the second communication interface to change between a high logic level and a low logic level according to signals from the input unit. The voltage meter is connected to the control indicator unit to detect the voltage of the node. The master controller controls the master to execute a function according to change of the obtained voltage within a preset period.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: February 25, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Chung-Jen Wang, Li-Sheng Shu, Bi-Qing Luo, Tsung-Jen Chuang, Shih-Fang Wong
  • Patent number: 8624973
    Abstract: A method for measuring size of an object is provided. The method includes controlling a distance measurement unit to measure a vertical distance between an electronic device and the object in response to a measurement operation, controlling an image capturing unit to capture an image in front of the electronic device, which includes an image of the object in response to the measurement operation. Computing an actual size of the captured area according to the distance measured by the distance measurement unit and an angle of view of the image capturing unit. In addition, obtaining the image of the object from the captured image, and further computing the proportion of the image of the object in the captured image. Then computing the size of the object according to the proportion and the actual size of the captured area, and displaying the measured size of the object.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: January 7, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Chung-Jen Wang, Li-Sheng Shu, Bi-Qing Luo, Tsung-Jen Chuang, Shih-Fang Wong
  • Patent number: 8478308
    Abstract: A positioning system includes a first mobile device and a second mobile device. The first mobile device includes a first wireless communication unit and an imaging unit. The second mobile device includes a second wireless communication unit and a location information obtaining unit. When an image is captured by the first mobile device, the first mobile device can communicate with the second mobile device to obtain position information, which is then included in EXIF of the just captured image.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: July 2, 2013
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Chung-Jen Wang, Li-Sheng Shu, Tsung-Jen Chuang, Shih-Fang Wong
  • Publication number: 20130021001
    Abstract: A storage battery charge circuit for charging a battery is provided. The circuit includes a voltage input port, a converting circuit, and a charge circuit. The voltage input port is for being connected to a power source to receive a logic high level voltage. The converting circuit is connected to the voltage input port to convert the received logic high level voltage into a control signal including a logic high level voltage and a logic low level voltage alternately and the mark space ratio is not equal to one. The charge circuit is connected to the converting circuit to charge the battery or discharge the battery according to the control signal.
    Type: Application
    Filed: August 29, 2011
    Publication date: January 24, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: JUN-WEI ZHANG, SHIH-FANG WONG, TSUNG-JEN CHUANG, JUN ZHANG, CHIA-HUNG CHIEN, CHUNG-JEN WANG
  • Publication number: 20130003990
    Abstract: An audio output port, an impedance value detecting unit, a DAC, an audio gain module, and a processing unit are included within an electronic device. The impedance value detecting unit detects the impedance value of an audio output apparatus. The storage unit stores an audio output mode table. The processing unit determines the range of impedance values that the detected impedance value falls within, and determines the corresponding audio output mode, the processing unit operates in the audio output mode which is required. The audio gain module magnifies the analog signals with a gain value corresponding to the audio output mode required, and transmits the magnified analog signals to the audio output port. An audio output control method is also provided.
    Type: Application
    Filed: August 24, 2011
    Publication date: January 3, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: CHUNG-JEN WANG, LI-SHENG SHU, TSUNG-JEN CHUANG, SHIH-FANG WONG
  • Publication number: 20120324132
    Abstract: A master-slave system includes a master and a slave. The master includes a first communication interface, a master controller, and a voltage meter. The voltage meter is connected to the first communication interface and the master controller. The slave includes a second communication interface, an input unit, a slave controller, and a control indicator unit. The control indicator unit is connected to the second communication interface and the slave controller. The salve controller controls voltage of a node between the control indicator unit and the second communication interface to change between a high logic level and a low logic level according to signals from the input unit. The voltage meter is connected to the control indicator unit to detect the voltage of the node. The master controller controls the master to execute a function according to change of the obtained voltage within a preset period.
    Type: Application
    Filed: August 8, 2011
    Publication date: December 20, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: CHUNG-JEN WANG, LI-SHENG SHU, BI-QING LUO, TSUNG-JEN CHUANG, SHIH-FANG WONG
  • Publication number: 20120303977
    Abstract: A power supply circuit includes a voltage converting module, a detecting module, a processor, and a selecting module. The voltage converting module includes at least one output port, each of which is connected to one load circuit to form a loop circuit. The detecting module can be selectively connected to a selected one of the formed loop circuits to detect at least one parameter of the loop circuit. The processor controls the selecting module to connect the detecting module to the selected loop circuit, and further determines the current of the loop circuit according to the at least one parameter.
    Type: Application
    Filed: July 25, 2011
    Publication date: November 29, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: CHUNG-JEN WANG, LI-SHENG SHU, TSUNG-JEN CHUANG, SHIH-FANG WONG
  • Publication number: 20120274764
    Abstract: A monitoring system for monitoring an area, includes an image capturing module, a storage unit, and a processor. The processor controls the image capturing module to capture images within the monitored area to obtain video signal as a series of frames, and compares every two neighboring frames to determine whether the neighboring frames are the similar according to a preset reference level, and stores one of the neighboring frames in the storage unit with the number of the stored frame increased by one if the neighboring frames is determined to be similar, and stores both the neighboring frames in the storage unit if the neighboring frames are determined to be different. A method for storing video obtained by the monitoring system is also provided.
    Type: Application
    Filed: December 20, 2011
    Publication date: November 1, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: ZHANG-YONG ZHENG, JUN-WEI ZHANG, CHUNG-JEN WANG, BI-QING LUO, JU-YUAN ZHANG, XIN LU, SHIH-FANG WONG
  • Publication number: 20120206422
    Abstract: A projection device having a display control function which includes a display unit, a lens module, a motor, a motor control module to control the motor to rotate the lens module and a document unit. The document unit scrolls through the content of an opened document according to the orientation of the lens module sensed by a sensor unit to select the content to be displayed, and controls display of the selected content of the opened document on the display unit. The lens module projects the selected content displayed by the display unit. A method having a display control function is also provided.
    Type: Application
    Filed: June 7, 2011
    Publication date: August 16, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: CHUNG-JEN WANG, LI-SHENG SHU, TSUNG-JEN CHUANG, SHIH-FANG WONG
  • Publication number: 20120184289
    Abstract: A positioning system includes a first mobile device and a second mobile device. The first mobile device includes a first wireless communication unit and an imaging unit. The second mobile device includes a second wireless communication unit and a location information obtaining unit. When an image is captured by the first mobile device, the first mobile device can communicate with the second mobile device to obtain position information, which is then included in EXIF of the just captured image.
    Type: Application
    Filed: March 24, 2011
    Publication date: July 19, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: CHUNG-JEN WANG, LI-SHENG SHU, TSUNG-JEN CHUANG, SHIH-FANG WONG
  • Publication number: 20120169241
    Abstract: An electronic device capable of detecting environment brightness includes a camera and a processor. The camera includes a photo sensor. The photo sensor includes a number of photosensitive elements. The processor is to periodically turn on some or all of the photosensitive elements to direct the camera to capture an image, obtain R value, G value, and B value of each pixel of the captured image, and determine environment brightness according to the determined R value, G value, and B value of each pixel of the captured image. A related method is also provided.
    Type: Application
    Filed: April 28, 2011
    Publication date: July 5, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: CHUNG-JEN WANG, LI-SHENG SHU, BI-QING LUO, TSUNG-JEN CHUANG, SHIH-FANG WONG
  • Publication number: 20120169867
    Abstract: A method for measuring size of an object is provided. The method includes controlling a distance measurement unit to measure a vertical distance between an electronic device and the object in response to a measurement operation, controlling an image capturing unit to capture an image in front of the electronic device, which includes an image of the object in response to the measurement operation. Computing an actual size of the captured area according to the distance measured by the distance measurement unit and an angle of view of the image capturing unit. In addition, obtaining the image of the object from the captured image, and further computing the proportion of the image of the object in the captured image. Then computing the size of the object according to the proportion and the actual size of the captured area, and displaying the measured size of the object.
    Type: Application
    Filed: June 20, 2011
    Publication date: July 5, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: CHUNG-JEN WANG, LI-SHENG SHU, BI-QING LUO, TSUNG-JEN CHUANG, SHIH-FANG WONG
  • Publication number: 20120166112
    Abstract: The disclosure relates to an electronic device with vibration function and a vibration testing method utilized to test the electronic device. The electronic device includes a motor and a storage unit for storing data of a relationship between electrical currents of the motor and vibration frequencies of the motor. The method includes: measuring an electrical current of the motor when the motor vibrates, reading the stored relationship from the storage unit, and acquiring the vibration frequency of the motor corresponding to the measured current according to the measured current and the stored relationship.
    Type: Application
    Filed: March 25, 2011
    Publication date: June 28, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: CHUNG-JEN WANG, LI-SHENG SHU, TSUNG-JEN CHUANG, SHIH-FANG WONG