Patents by Inventor Shih-Chang Hsu

Shih-Chang Hsu 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: 11367832
    Abstract: A method of making a magnetoresistive random access memory (MRAM) device includes forming a bottom conductive layer. The method includes forming an anti-ferromagnetic layer over the bottom conductive layer and forming a tunnel layer over the anti-ferromagnetic layer. The method includes forming a free magnetic layer, having a magnetic moment aligned in a direction that is adjustable by applying an electromagnetic field, over the tunnel layer, wherein the anti-ferromagnetic layer, the tunnel layer and the free magnetic layer are part of a magnetic tunnel junction (MTJ) unit. The method includes forming a top conductive layer over the free magnetic layer. The method includes performing at least one lithographic process to remove portions of the bottom conductive layer, the MTJ unit and the top conductive layer that is uncovered by a photoresist layer. The method includes removing a portion of a sidewall of the MTJ unit.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: June 21, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chern-Yow Hsu, Shih-Chang Liu, Chia-Shiung Tsai
  • Patent number: 11362265
    Abstract: The present disclosure provides a semiconductor structure, including an Nth metal layer, a bottom electrode over the Nth metal layer, a magnetic tunneling junction (MTJ) over the bottom electrode, a top electrode over the MTJ, and an (N+M)th metal layer over the Nth metal layer. N and M are positive integers. The (N+M)th metal layer surrounds a portion of a sidewall of the top electrode. A manufacturing method of forming the semiconductor structure is also provided.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: June 14, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company Ltd.
    Inventors: Fu-Ting Sung, Chung-Chiang Min, Yuan-Tai Tseng, Chern-Yow Hsu, Shih-Chang Liu
  • Publication number: 20220149214
    Abstract: A light sensor module is provided. The light sensor module is used to receive a first light beam and generate an electric current corresponding to an intensity of the first light beam. The light sensor module includes a substrate, a photodiode chip, and a wavelength conversion structure. The photodiode chip is disposed on the substrate. The wavelength conversion structure is disposed on the substrate, and the photodiode chip is covered by the wavelength conversion structure. The first light beam is converted into a second light beam by the wavelength conversion structure. The photodiode chip receives the second light beam, and then generates the electric current.
    Type: Application
    Filed: November 3, 2021
    Publication date: May 12, 2022
    Inventors: FANG-JUNG SUN, Shih-Chang Hsu, JHIH-CHENG SYU
  • Patent number: 11322663
    Abstract: A lighting device is provided. The lighting device includes a carrier, a light-emitting diode chip, and a wavelength up-conversion structure. The light-emitting diode chip is disposed on the carrier and is configured to emit a first light, which has a peak wavelength between 800 nm and 1000 nm. The wavelength up-conversion structure is disposed on the light-emitting diode chip and is configured to convert part of the first light into a second light, which has a converted spectrum between 400 nm and 700 nm.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: May 3, 2022
    Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: Fang-Jung Sun, Shih-Chang Hsu
  • Patent number: 11024205
    Abstract: A display device includes a patterned panel and a light emitting module. The patterned panel includes a light-transmitting substrate, a first light-transmitting portion, a second light-transmitting portion and a third light-transmitting portion. Each of the light-transmitting portions respectively has a first transmission spectrum, a second transmission spectrum and a third transmission spectrum. The third light-transmitting portion is adjacent to the first light-transmitting portion and the second light-transmitting portion, and the third transmission spectrum has a first overlapping part with the first transmission spectrum, and has a second overlapping part with the second transmission spectrum. The light emitting module includes a first light emitting unit and a second light emitting unit, the first light emitting unit emits a first light having a peak wavelength in the first overlapping part, and the second light emitting unit emits a second light having a peak wavelength in the second overlapping part.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: June 1, 2021
    Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: Fang-Jung Sun, Shih-Chang Hsu, Chao-Ming Wu
  • Publication number: 20210050491
    Abstract: A lighting device is provided. The lighting device includes a carrier, a light-emitting diode chip, and a wavelength up-conversion structure. The light-emitting diode chip is disposed on the carrier and is configured to emit a first light, which has a peak wavelength between 800 nm and 1000 nm. The wavelength up-conversion structure is disposed on the light-emitting diode chip and is configured to convert part of the first light into a second light, which has a converted spectrum between 400 nm and 700 nm.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Inventors: FANG-JUNG SUN, Shih-Chang Hsu
  • Publication number: 20200258434
    Abstract: A display device includes a patterned panel and a light emitting module. The patterned panel includes a light-transmitting substrate, a first light-transmitting portion, a second light-transmitting portion and a third light-transmitting portion. Each of the light-transmitting portions respectively has a first transmission spectrum, a second transmission spectrum and a third transmission spectrum. The third light-transmitting portion is adjacent to the first light-transmitting portion and the second light-transmitting portion, and the third transmission spectrum has a first overlapping part with the first transmission spectrum, and has a second overlapping part with the second transmission spectrum. The light emitting module includes a first light emitting unit and a second light emitting unit, the first light emitting unit emits a first light having a peak wavelength in the first overlapping part, and the second light emitting unit emits a second light having a peak wavelength in the second overlapping part.
    Type: Application
    Filed: February 3, 2020
    Publication date: August 13, 2020
    Inventors: Fang-Jung Sun, Shih-Chang Hsu, Chao-Ming Wu
  • Patent number: 10665277
    Abstract: A timing calibration system is applicable to a memory read system which includes a memory, a delay unit and a data read circuit. The memory outputs a data signal and a data latch signal. The delay unit delays the data latch signal by a delay value, to generate a read signal. The data read circuit reads the data signal according to the read signal. In the timing calibration system, a logic computation unit generates first and second charging signals according to the data signal and the read signal, and a capacitor-resistor charging unit performs charging operations according to the first and second charging signals, so as to generate first and second capacitor voltages, and a comparing unit can compare the first and second capacitor voltages, to generate a comparison result, thereby adjusting the delay value of the delay unit according to the comparison result.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: May 26, 2020
    Assignee: NUVOTON TECHNOLOGY CORPORATION
    Inventors: Shih-Wen Chou, Shih-Chang Hsu
  • Publication number: 20200118607
    Abstract: A timing calibration system is applicable to a memory read system which includes a memory, a delay unit and a data read circuit. The memory outputs a data signal and a data latch signal. The delay unit delays the data latch signal by a delay value, to generate a read signal. The data read circuit reads the data signal according to the read signal. In the timing calibration system, a logic computation unit generates first and second charging signals according to the data signal and the read signal, and a capacitor-resistor charging unit performs charging operations according to the first and second charging signals, so as to generate first and second capacitor voltages, and a comparing unit can compare the first and second capacitor voltages, to generate a comparison result, thereby adjusting the delay value of the delay unit according to the comparison result.
    Type: Application
    Filed: April 3, 2019
    Publication date: April 16, 2020
    Inventors: SHIH-WEN CHOU, SHIH-CHANG HSU
  • Patent number: 10141479
    Abstract: A method for forming a light-emitting package structure provided with a predetermined view angle is provided. The method includes the steps of: disposing a flip chip on a carrier substrate; filling an underfill material between at least two electrodes of the flip chip for supporting the flip-chip; laser lifting-off a growing substrate from the flip chip for forming a thin film chip and exposing an epitaxial structure from the thin film chip; roughening the epitaxial structure exposed from the thin film chip; providing a view angle adjusting structure including a wavelength converting layer on the thin film chip, and selecting a predetermined view angle and achieving the predetermined view angle by adjusting the view angle adjusting structure according to a linear regression formula.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: November 27, 2018
    Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: I-Chen Chien, Shih-Chang Hsu
  • Patent number: 10136386
    Abstract: A wireless network device with a communication assembly, which is rotatable for better signal strength, includes a power supply module and the communication assembly. The communication assembly is powered by the power supply module. The power supply module includes a base and a first electrode unit. The first electrode unit is positioned in the base. The first electrode unit partially extends out of the base. The communication assembly includes a case and a second electrode unit. The second electrode unit is positioned in the case. The second electrode unit partially extends out of the case towards the first electrode unit. The case is detachably installed on the base. The case can be rotated relative to the base. The second electrode unit is electrically connected to the first electrode unit.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: November 20, 2018
    Assignee: NANNING FUGUI PRECISION INDUSTRIAL CO., LTD.
    Inventors: Hsing-Hsu Chen, Shih-Chang Hsu, Ming-Tsung Chen
  • Patent number: 10103291
    Abstract: A method for forming a light-emitting package structure provided with a predetermined view angle is provided. The method includes the steps of: disposing a flip chip on a carrier substrate; filling an underfill material between at least two electrodes of the flip chip for supporting the flip-chip; laser lifting-off a growing substrate from the flip chip for forming a thin film chip and exposing an epitaxial structure from the thin film chip; roughening the epitaxial structure exposed from the thin film chip; providing a view angle adjusting structure including a wavelength converting layer on the thin film chip, and selecting a predetermined view angle and achieving the predetermined view angle by adjusting the view angle adjusting structure according to a linear regression formula.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: October 16, 2018
    Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: I-Chen Chien, Shih-Chang Hsu
  • Publication number: 20180212106
    Abstract: A method for forming a light-emitting package structure provided with a predetermined view angle is provided. The method includes the steps of: disposing a flip chip on a carrier substrate; filling an underfill material between at least two electrodes of the flip chip for supporting the flip-chip; laser lifting-off a growing substrate from the flip chip for forming a thin film chip and exposing an epitaxial structure from the thin film chip; roughening the epitaxial structure exposed from the thin film chip; providing a view angle adjusting structure including a wavelength converting layer on the thin film chip, and selecting a predetermined view angle and achieving the predetermined view angle by adjusting the view angle adjusting structure according to a linear regression formula.
    Type: Application
    Filed: September 25, 2017
    Publication date: July 26, 2018
    Inventors: I-CHEN CHIEN, SHIH-CHANG HSU
  • Publication number: 20180212099
    Abstract: A method for manufacturing a light emitting diode structure uses a removable prefilled layer to attach the flip-type chip on a temporary substrate. A growth substrate of the flip-type chip is removed by laser lift-off, and then the light emitting diode structure is attached to a transparent support body. Lastly, the temporary substrate and the prefilled layer are removed.
    Type: Application
    Filed: March 22, 2018
    Publication date: July 26, 2018
    Inventors: I-Chen Chien, Shih-Chang Hsu
  • Patent number: 10032962
    Abstract: An LED package structure includes a conductive frame assembly, a reflective housing, an UV LED chip disposed on the conductive frame assembly, and a die-attach adhesive for bonding the UV LED chip to the conductive frame assembly. The reflective housing includes Silicone Molding Compound (SMC) and filler mixed in the SMC. The energy gap of the filler is greater than or equal to 4 eV. The energy gap of the filler thereof can be chosen by the following formulas. When the refractive index difference between the filler and the SMC is less than or equal to 0.2, the energy gap of the filler is satisfied the following formula. E?1240 (nm·eV)/(??150(nm)). When the refractive index difference between the filler and the SMC is greater than 0.2, the energy gap of the filler is satisfied the following formula. E?1240(nm·eV)/(??50(nm)).
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: July 24, 2018
    Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: I-Chen Chien, Shih-Chang Hsu
  • Publication number: 20180192367
    Abstract: A wireless network device with a communication assembly, which is rotatable for better signal strength, includes a power supply module and the communication assembly. The communication assembly is powered by the power supply module. The power supply module includes a base and a first electrode unit. The first electrode unit is positioned in the base. The first electrode unit partially extends out of the base. The communication assembly includes a case and a second electrode unit. The second electrode unit is positioned in the case. The second electrode unit partially extends out of the case towards the first electrode unit. The case is detachably installed on the base. The case can be rotated relative to the base. The second electrode unit is electrically connected to the first electrode unit.
    Type: Application
    Filed: October 17, 2017
    Publication date: July 5, 2018
    Inventors: HSING-HSU CHEN, SHIH-CHANG HSU, MING-TSUNG CHEN
  • Patent number: 9966499
    Abstract: A method for manufacturing a light emitting diode structure uses a removable prefilled layer to attach the flip-type chip on a temporary substrate. A growth substrate of the flip-type chip is removed by laser lift-off, and then the light emitting diode structure is attached to a transparent support body. Lastly, the temporary substrate and the prefilled layer are removed.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: May 8, 2018
    Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: I-Chen Chien, Shih-Chang Hsu
  • Patent number: 9874544
    Abstract: A gas sensor includes a base, an insulating layer, two sensing electrodes, a heating layer, a gas-sensing material, and an exciting light source. A thru-hole is formed on the base, the insulating layer is disposed on the base to cover the thru-hole, and a portion of the insulating layer corresponding to the thru-hole is defined as an element area. Each sensing electrode disposed on the insulating layer has a sensing segment disposed on the element area and a sensing pad disposed outside the element area. The heating layer disposed on the insulating layer has a heating segment disposed on the element area and two heating pads disposed outside the element area. The gas-sensing material is disposed on the element area and covers the sensing segments and the heating segment. The exciting light source is arranged in the thru-hole and is configured to emit light toward the gas-sensing material.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: January 23, 2018
    Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: Chiou-yueh Wang, Shih-Chang Hsu
  • Publication number: 20170352778
    Abstract: A method for manufacturing a light emitting diode structure uses a removable prefilled layer to attach the flip-type chip on a temporary substrate. A growth substrate of the flip-type chip is removed by laser lift-off, and then the light emitting diode structure is attached to a transparent support body. Lastly, the temporary substrate and the prefilled layer are removed.
    Type: Application
    Filed: November 21, 2016
    Publication date: December 7, 2017
    Inventors: I-CHEN CHIEN, SHIH-CHANG HSU
  • Patent number: 9826477
    Abstract: A wireless network device with an LTE module which is rotatable for higher signal strength includes a power supply module and the LTE module. The LTE module is powered by the power supply module. The power supply module includes a base and a first electrode unit. The first electrode unit is positioned in the base. The first electrode unit partly extends out of the base. The LTE module includes a case and a second electrode unit. The second electrode unit is positioned in the case. The second electrode unit partly extends out of the case towards the first electrode unit. The case is detachably installed on the base. The case can be rotated relative to the base. The second electrode unit is electrically connected to the first electrode unit.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: November 21, 2017
    Assignees: NANNING FUGUI PRECISION INDUSTRIAL CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Hsing-Hsu Chen, Shih-Chang Hsu, Ming-Tsung Chen