Patents by Inventor Cheng-Chun Wang

Cheng-Chun 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: 11955154
    Abstract: A sense amplifier circuit includes a sense amplifier, a switch and a temperature compensation circuit. The temperature compensation circuit provides a control signal having a positive temperature coefficient, based on which the switch provides reference impedance for temperature compensation. The sense amplifier includes a first input end coupled to a target bit and a second input end coupled to the switch. The sense amplifier outputs a sense amplifier signal based on the reference impedance and the impedance of the target bit.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 9, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Cheng-Tung Huang, Jen-Yu Wang, Po-Chun Yang, Yi-Ting Wu, Yung-Ching Hsieh, Jian-Jhong Chen, Chia-Wei Lee
  • Publication number: 20240113262
    Abstract: A light-emitting device includes: a semiconductor stack, including a first semiconductor layer, an active region and a second semiconductor layer; a first contact electrode and a second contact electrode formed on the semiconductor stack, wherein the first contact electrode includes a first contact part formed on the first semiconductor layer and the second contact electrode includes a second contact part formed on the second semiconductor layer; an insulating stack formed on the semiconductor stack, including an opening on the second contact part; a first electrode pad and a second electrode pad formed on the insulating stack, wherein the second electrode pad filled in the opening and connecting the second contact part; wherein the second electrode pad includes an upper surface, and the upper surface includes a platform area and a depression area on the second contact part; wherein the platform area has a maximum height relative to other areas of the upper surface; wherein an area of a projection of the plat
    Type: Application
    Filed: September 1, 2023
    Publication date: April 4, 2024
    Inventors: Hsin-Ying WANG, Hui-Chun YEH, Jhih-Yong YANG, Chen OU, Cheng-Lin LU
  • Publication number: 20240112957
    Abstract: A fabrication method is disclosed that includes: forming a first metal layer over first and second semiconductor structures; forming a first patterned photolithographic layer with an opening that exposes a portion of the first metal layer over the first semiconductor structure but not to a boundary between semiconductor structures; removing the exposed portion of the first metal layer; forming a second metal layer over the first and second semiconductor structures; forming a second patterned photolithographic layer with an opening that exposes a portion of the second metal layer over the second semiconductor structure but not to the boundary; removing the exposed portion of the first and second metal layers; wherein a barrier structure is generated between the first and second semiconductor structures that includes remaining portions of the first metal layer and a portion of the second metal layer overlying the remaining portions of the first metal layer.
    Type: Application
    Filed: January 12, 2023
    Publication date: April 4, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Xuan Wang, Cheng-Chun Tseng, Yi-Chun Chen, Yu-Hsien Lin, Ryan Chia-Jen Chen
  • Patent number: 11942130
    Abstract: A bottom-pinned spin-orbit torque magnetic random access memory (SOT-MRAM) is provided in the present invention, including a substrate, a bottom electrode layer on the substrate, a magnetic tunnel junction (MTJ) on the bottom electrode layer, a spin-orbit torque (SOT) layer on the MTJ, a capping layer on the SOT layer, and an injection layer on the capping layer, wherein the injection layer is divided into individual first part and second part, and the first part and the second part are connected respectively with two ends of the capping layer.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: March 26, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Jian-Jhong Chen, Yi-Ting Wu, Jen-Yu Wang, Cheng-Tung Huang, Po-Chun Yang, Yung-Ching Hsieh
  • Publication number: 20240084536
    Abstract: A waste collection apparatus for collecting waste in water is provided. The waste collection apparatus includes a floating device and a waste collection device coupled to the floating device. The floating device includes a plurality of floating units. The waste collection device is coupled to the floating device. Each of the floating units includes a base and a pillar connected to the base, and the density of the base is greater than the density of the pillar.
    Type: Application
    Filed: January 10, 2023
    Publication date: March 14, 2024
    Inventors: Wei-Chun LIU, Ching-Fu WANG, Cheng-Che HO
  • Publication number: 20240083555
    Abstract: A waste collection apparatus for collecting waste in water is provided. The waste collection apparatus includes a floating device and a waste collection device coupled to the floating device. The waste collection device includes a fluid ejection element, and the flow out of the fluid ejection element flows toward a space where waste is collected.
    Type: Application
    Filed: May 12, 2023
    Publication date: March 14, 2024
    Inventors: Wei-Chun LIU, Ching-Fu WANG, Cheng-Che HO, Huan-Fu LIN
  • Patent number: 11916131
    Abstract: According to an exemplary embodiment, a method of forming a vertical device is provided. The method includes: providing a protrusion over a substrate; forming an etch stop layer over the protrusion; laterally etching a sidewall of the etch stop layer; forming an insulating layer over the etch stop layer; forming a film layer over the insulating layer and the etch stop layer; performing chemical mechanical polishing on the film layer and exposing the etch stop layer; etching a portion of the etch stop layer to expose a top surface of the protrusion; forming an oxide layer over the protrusion and the film layer; and performing chemical mechanical polishing on the oxide layer and exposing the film layer.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 27, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: De-Fang Chen, Teng-Chun Tsai, Cheng-Tung Lin, Li-Ting Wang, Chun-Hung Lee, Ming-Ching Chang, Huan-Just Lin
  • Patent number: 11521567
    Abstract: A display device includes a liquid crystal display panel, a backlight module, a control circuit, a driving module, and a waveform generator. The liquid crystal display panel includes a plurality of liquid crystal pixels. The backlight module generates the backlight required by the liquid crystal display panel, and the backlight module includes a plurality of backlight blocks. The control circuit determines a backlight intensity corresponding to each backlight block in a frame period according to an input display data and generates a control signal according to the backlight intensities corresponding to the backlight blocks. The driving module generates a plurality of driving signals to the backlight module in the frame period according to the control signal. The waveform generator generates a de-blur pulse signal to the backlight module. When the de-blur pulse signal is at a high voltage, the backlight blocks emit lights according to the driving signals.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: December 6, 2022
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Cian-Rou Wu, Cheng Yueh Chen, Cheng-Chun Wang, Li-Ang Chen, Yung-Chih Chen
  • Publication number: 20220335909
    Abstract: A display device includes a liquid crystal display panel, a backlight module, a control circuit, a driving module, and a waveform generator. The liquid crystal display panel includes a plurality of liquid crystal pixels. The backlight module generates the backlight required by the liquid crystal display panel, and the backlight module includes a plurality of backlight blocks. The control circuit determines a backlight intensity corresponding to each backlight block in a frame period according to an input display data and generates a control signal according to the backlight intensities corresponding to the backlight blocks. The driving module generates a plurality of driving signals to the backlight module in the frame period according to the control signal. The waveform generator generates a de-blur pulse signal to the backlight module. When the de-blur pulse signal is at a high voltage, the backlight blocks emit lights according to the driving signals.
    Type: Application
    Filed: September 8, 2021
    Publication date: October 20, 2022
    Inventors: CIAN-ROU WU, CHENG YUEH CHEN, CHENG-CHUN WANG, LI-ANG CHEN, YUNG-CHIH CHEN
  • Patent number: 8381922
    Abstract: A shelf includes a rear frame, two side frames pivotally mounted on two opposite ends of the rear frame respectively, two connecting frames each detachably mounted on the rear frame and each located between the two side frames to locate the two side frames, and at least one placement board mounted between and supported by the rear frame and the two side frames. Thus, the shelf can be folded to have a smaller volume so as to decrease the cost of packaging, storage and transportation of the shelf.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: February 26, 2013
    Inventors: Chen-Yu Chung, Zi-Cong Wen, Cheng-Chun Wang, Sheng-Chi Chung
  • Publication number: 20120037051
    Abstract: A computer table includes a board assembly including a support board, a movable board pivotally connected with the support board by two elastic fastening members and two connecting members, and two fixing brackets each mounted on the support board and each connected with a respective one of the two elastic fastening members. Thus, the movable board is movable to space from the support board and is movable to abut the support board so that the board assembly is expanded for use with a user and can be folded when not in use to have a smaller volume.
    Type: Application
    Filed: August 16, 2010
    Publication date: February 16, 2012
    Inventors: Pi-Liang Wang, Cheng-Chun Wang, Zi-Cong Wen, Chen-Yu Chung
  • Publication number: 20120024810
    Abstract: A shelf includes a rear frame, two side frames pivotally mounted on two opposite ends of the rear frame respectively, two connecting frames each detachably mounted on the rear frame and each located between the two side frames to locate the two side frames, and at least one placement board mounted between and supported by the rear frame and the two side frames. Thus, the shelf can be folded to have a smaller volume so as to decrease the cost of packaging, storage and transportation of the shelf.
    Type: Application
    Filed: August 2, 2010
    Publication date: February 2, 2012
    Inventors: Chen-Yu Chung, Zi-Cong Wen, Cheng-Chun Wang, Sheng-Chi Chung
  • Patent number: 7975626
    Abstract: A computer table includes a rear frame, two side frames pivotally mounted on two opposite ends of the rear frame respectively, a support board detachably mounted on the rear frame and the two side frames to support a computer, a drawer board detachably mounted between the two side frames, and a carrier detachably mounted on one of the two side frames to support a host frame of the computer. Thus, the computer table can be folded to have a smaller volume to decrease the cost of packaging, storage and transportation of the computer table.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: July 12, 2011
    Inventors: Pi-Liang Wang, Cheng-Chun Wang, Zi-Cong Wen, Chen-Yu Chung