Patents by Inventor Shih Chang Huang

Shih Chang Huang 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).

  • Publication number: 20250130368
    Abstract: A silicon photonic platform includes a composite substrate with a first photonic platform layer which includes a photonic platform material. A first signal layer covers the first photonic platform layer, has a top surface, and includes the photonic platform material and a first signal material. A photonic platform spectral signal is different from the first signal material spectral signal. The second photonic platform layer has a top surface, covers at least a portion of the top surface of the first signal, and includes the photonic platform material. The second photonic platform layer includes at least one ridge structure, and forms a silicon photonic platform together with the first photonic platform layer.
    Type: Application
    Filed: October 20, 2023
    Publication date: April 24, 2025
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Ming-Cheng Lo, Shih-Chang Huang, Jui-Chun Chang, Wu-Hsi Lu, Yu-Che Tsai, Shih-Hao Liu, Yen-Shih Ho
  • Publication number: 20250076580
    Abstract: A photonic integrated circuit structure includes a semiconductor substrate. A waveguide is disposed above the semiconductor substrate and has an inclined plane. A mirror coating layer is conformally disposed on the inclined plane. A cladding layer covers the waveguide and the mirror coating layer. A hole is disposed in the semiconductor substrate or the cladding layer, and the hole overlaps the inclined plane in a vertical direction. In addition, an optical fiber is disposed in the hole to receive a reflected light from the mirror coating layer.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 6, 2025
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Ming-Cheng Lo, Jui-Chun Chang, Shih-Chang Huang, Wu-Hsi Lu, Yu-Che Tsai, Shih-Hao Liu, Yen-Shih Ho
  • Patent number: 12237024
    Abstract: A memory device and a programming method thereof are provided. The programming method includes the following steps. According to a step value, based on an incremental step pulse programming scheme, multiple programming operations are performed for a selected memory page. In a setting mode, multiple program verify operations are respectively performed corresponding to the programming operations to respectively generate multiple pass bit numbers. In the setting mode, a pass bit number difference value of two pass bit numbers corresponding to two programming operations is calculated. In the setting mode, an amount of the step value is adjusted according to the pass bit number difference value.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: February 25, 2025
    Assignee: MACRONIX International Co., Ltd.
    Inventors: Kun-Tse Lee, Han-Sung Chen, Shih-Chang Huang
  • Publication number: 20240395992
    Abstract: A packaged chip and a backlight module including the same are provided. The packaged chip includes a base material, a chip, and a packaging layer. The base material includes a first electrode. The chip is disposed on the base material and is electrically connected with the first electrode. The packaging layer is disposed on the base material and surrounds the chip. The base material includes a surface. A first distance is between a top surface of the chip and the surface of the base material. The surface of the base material includes a coupling portion. In a cross-sectional direction, a height or a depth of the coupling portion is less than the first distance.
    Type: Application
    Filed: April 26, 2024
    Publication date: November 28, 2024
    Inventors: Chia-Lun CHEN, Li-Wei SUNG, Shih-Chang HUANG
  • Publication number: 20240297279
    Abstract: A light source assembly is provided, including a substrate; a light-emitting element disposed on the substrate; and an optical film disposed on the light-emitting element. A diffuser layer is disposed between the optical film and the light-emitting element, wherein a haze of the diffuser layer is greater than 85%, a distance between the diffuser layer and the light-emitting element is in a range from 0 mm to 10 mm, and a thickness of the light-emitting element is less than the distance.
    Type: Application
    Filed: May 13, 2024
    Publication date: September 5, 2024
    Inventors: Chia-Lun CHEN, Shih-Chang HUANG, Ming-Hui CHU, Chih-Chang CHEN, Kai-Hsien HSIUNG, Hui-Chi WANG, Wun-Yuan SU
  • Patent number: 12009462
    Abstract: A light source assembly is provided, including a substrate; a light-emitting element disposed on the substrate; and an optical film at least partially overlapped with the substrate. A diffuser film is at least partially overlapped with the optical film, wherein a haze of the diffuser film is greater than 85%, and a thickness of the diffuser film ranges from 0.04 mm to 0.35 mm. The optical film and the diffuser film are capable of transmitting at least a part of light emitted from the light-emitting element.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: June 11, 2024
    Assignee: INNOLUX CORPORATION
    Inventors: Chia-Lun Chen, Shih-Chang Huang, Ming-Hui Chu, Chih-Chang Chen, Kai-Hsien Hsiung, Hui-Chi Wang, Wun-Yuan Su
  • Publication number: 20240071523
    Abstract: A memory device and a programming method thereof are provided. The programming method includes the following steps. According to a step value, based on an incremental step pulse programming scheme, multiple programming operations are performed for a selected memory page. In a setting mode, multiple program verify operations are respectively performed corresponding to the programming operations to respectively generate multiple pass bit numbers. In the setting mode, a pass bit number difference value of two pass bit numbers corresponding to two programming operations is calculated. In the setting mode, an amount of the step value is adjusted according to the pass bit number difference value.
    Type: Application
    Filed: August 24, 2022
    Publication date: February 29, 2024
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Kun-Tse Lee, Han-Sung Chen, Shih-Chang Huang
  • Patent number: 11742335
    Abstract: An electronic device is provided. The electronic device includes a driving substrate, a plurality of light-emitting units, and a protective layer. The light-emitting units are electrically connected to the driving substrate. The protective layer covers the light-emitting units, and the protective layer has a Young's modulus less than or equal to 20 MPa.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: August 29, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Shih-Chang Huang, Chia-Lun Chen, Ming-Hui Chu, Chin-Lung Ting, Chien-Tzu Chu, Hui-Chi Wang
  • Publication number: 20220173288
    Abstract: A light source assembly is provided, including a substrate; a light-emitting element disposed on the substrate; and an optical film at least partially overlapped with the substrate. A diffuser film is at least partially overlapped with the optical film, wherein a haze of the diffuser film is greater than 85%, and a thickness of the diffuser film ranges from 0.04 mm to 0.35 mm. The optical film and the diffuser film are capable of transmitting at least a part of light emitted from the light-emitting element.
    Type: Application
    Filed: February 16, 2022
    Publication date: June 2, 2022
    Inventors: Chia-Lun CHEN, Shih-Chang HUANG, Ming-Hui CHU, Chih-Chang CHEN, Kai-Hsien HSIUNG, Hui-Chi WANG, Wun-Yuan SU
  • Patent number: 11282993
    Abstract: A display device is provided, including a display panel; a light-emitting element disposed under the display panel; an optical functional film disposed between the display panel and the light-emitting element. The optical functional film is capable of transmitting at least part of the light emitted from the light-emitting element. A diffuser film is disposed between the display panel and the light-emitting element. The haze of the diffuser film is greater than 85%, and the thickness of the diffuser film ranges from 0.1 mm to 0.3 mm.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: March 22, 2022
    Assignee: INNOLUX CORPORATION
    Inventors: Chia-Lun Chen, Shih-Chang Huang, Ming-Hui Chu, Chih-Chang Chen, Kai-Hsien Hsiung, Hui-Chi Wang, Wun-Yuan Su
  • Patent number: 11258599
    Abstract: A system and method use a physical unclonable function in a PUF circuit on an integrated circuit to generate a security key, and stabilize the security key by storage in a set of nonvolatile memory cells. The stabilized security key is moved from the set of nonvolatile memory cells to a cache memory, and utilized as stored in the cache memory in a security protocol. Also, data transfer from the PUF circuit to the set of nonvolatile memory cells can be disabled after using the PUF circuit to produce the security key, at a safe time, such as after the security key has been moved from the set of nonvolatile memory cells to the cache memory.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: February 22, 2022
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang, Chin-Hung Chang, Chen-Chia Fan
  • Publication number: 20220013486
    Abstract: A semiconductor composite structure includes an electrically conductive bump, and a patterned bonding layer. The electrically conductive bump includes a body portion for being electrically connected to a metal layer of a semiconductor substrate, and a contact portion disposed on the body portion opposite to the metal layer. The patterned bonding layer is disposed on the contact portion opposite to the body portion, and includes an electrically conductive portion and a recess portion depressed relative to the electrically conductive portion. An etching selectivity ratio of the conductive portion relative to the contact portion is greater than 1. A method for making the semiconductor composite structure and a semiconductor device are also disclosed.
    Type: Application
    Filed: January 15, 2021
    Publication date: January 13, 2022
    Applicant: Powertech Technology Inc.
    Inventors: Shih-Chang HUANG, Yu-Cheng LIU
  • Publication number: 20210210470
    Abstract: An electronic device is provided. The electronic device includes a driving substrate, a plurality of light-emitting units, and a protective layer. The light-emitting units are electrically connected to the driving substrate. The protective layer covers the light-emitting units, and the protective layer has a Young's modulus less than or equal to 20 MPa.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 8, 2021
    Inventors: Shih-Chang HUANG, Chia-Lun CHEN, Ming-Hui CHU, Chin-Lung TING, Chien-Tzu CHU, Hui-Chi WANG
  • Patent number: 11048582
    Abstract: A method for programming a non-volatile memory in a programming operation is provided. The non-volatile memory has a number of cells and each of part of the cells store data having at least 2 bits at least corresponding to a first page and a second page. The method includes the following steps. At least one programming pulse is provided. At least one first program-verify pulse is provided. A program-fail-reference signal is enabled. At least one second program-verify pulse is provided after enabling the program-fail-reference signal.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: June 29, 2021
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Shih-Chang Huang, Kun-Tse Lee
  • Publication number: 20200395516
    Abstract: A display device is provided, including a display panel; a light-emitting element disposed under the display panel; an optical functional film disposed between the display panel and the light-emitting element. The optical functional film is capable of transmitting at least part of the light emitted from the light-emitting element. A diffuser film is disposed between the display panel and the light-emitting element. The haze of the diffuser film is greater than 85%, and the thickness of the diffuser film ranges from 0.1 mm to 0.3 mm.
    Type: Application
    Filed: May 14, 2020
    Publication date: December 17, 2020
    Inventors: Chia-Lun CHEN, Shih-Chang HUANG, Ming-Hui CHU, Chih-Chang CHEN, Kai-Hsien HSIUNG, Hui-Chi WANG, Wun-Yuan SU
  • Patent number: 10855477
    Abstract: A device which can be implemented on a single packaged integrated circuit or a multichip includes a plurality of non-volatile memory cells, and logic to use a physical unclonable function to produce an initial key and to store the initial key in a set of non-volatile memory cells in the plurality of non-volatile memory cells. The device can include logic to use a random number generator to generate a random number, and logic to combine the initial key and the random number to produce an enhanced key. The physical unclonable function can use entropy derived from non-volatile memory cells in the plurality of non-volatile memory cells to produce the initial key. Logic is described to disable changes to data in the set of non-volatile memory cells, and thereby freeze the key after it is stored in the set.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: December 1, 2020
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang
  • Patent number: 10749695
    Abstract: A system and method for utilizing a security key stored in non-volatile memory, and for generating a PUF-based data set on an integrated circuit including non-volatile memory cells, such as flash memory cells, are described. The method includes storing a security key in a particular block in a plurality of blocks of the non-volatile memory array; utilizing, in a security logic circuit coupled to the non-volatile memory array, the security key stored in the particular block in a protocol to enable access via a port by external devices or communication networks to data stored in blocks in the plurality of blocks; and enabling read-only access to the particular block by the security logic for use in the protocol, and preventing access to the particular block via the port.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: August 18, 2020
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang
  • Patent number: 10725334
    Abstract: A display device is provided to have an emission spectrum. The emission spectrum is performed in a white image of highest grey level and includes a first sub emission spectrum ranging from 380 nm to 478 nm and a second sub emission spectrum ranging from 479 nm to 780 nm, and the first sub emission spectrum has a maximum peak wavelength greater than or equal to 453 nm. An integral value of the first sub emission spectrum multiplied by a blue light hazard weighting function from 380 nm to 478 nm is defined as a first integration, and an integral value of the second sub emission spectrum multiplied by an eye function from 479 nm to 780 nm is defined as a second integration. A ratio of the first integration to the second integration is in a range from 40% to 65%.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: July 28, 2020
    Assignee: InnoLux Corporation
    Inventors: Shih-Chang Huang, Jeng-Wei Yeh
  • Patent number: 10715340
    Abstract: A system and method for utilizing a security key stored in non-volatile memory, and for generating a PUF-based data set on an integrated circuit including non-volatile memory cells, such as flash memory cells, are described. The method includes storing a security key in a particular block in a plurality of blocks of the non-volatile memory array; utilizing, in a security logic circuit coupled to the non-volatile memory array, the security key stored in the particular block in a protocol to enable access via a port by external devices or communication networks to data stored in blocks in the plurality of blocks; and enabling read-only access to the particular block by the security logic for use in the protocol, and preventing access to the particular block via the port.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: July 14, 2020
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang
  • Publication number: 20200186339
    Abstract: A system and method use a physical unclonable function in a PUF circuit on an integrated circuit to generate a security key, and stabilize the security key by storage in a set of nonvolatile memory cells. The stabilized security key is moved from the set of nonvolatile memory cells to a cache memory, and utilized as stored in the cache memory in a security protocol. Also, data transfer from the PUF circuit to the set of nonvolatile memory cells can be disabled after using the PUF circuit to produce the security key, at a safe time, such as after the security key has been moved from the set of nonvolatile memory cells to the cache memory.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 11, 2020
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung HUNG, Kuen-Long CHANG, Ken-Hui CHEN, Shih-Chang HUANG, Chin-Hung CHANG, Chen-Chia FAN