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: 20180240738
    Abstract: An electronic package includes an electronic component, a leadframe surrounding at least one sidewall surface of the electronic component, a molding compound encapsulating the leadframe and the electronic component, and a metal shielding layer conformally covering the molding compound and being electrically connected with the leadframe. The leadframe includes at least one opening for accommodating the electronic component. A lower portion of the electronic component is situated in the opening and a bottom surface of the electronic component is exposed from the opening.
    Type: Application
    Filed: February 22, 2017
    Publication date: August 23, 2018
    Inventors: Da-Jung Chen, Shih-Chang Huang
  • Publication number: 20180123808
    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: Application
    Filed: December 28, 2017
    Publication date: May 3, 2018
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung HUNG, Kuen-Long CHANG, Ken-Hui CHEN, Shih-Chang HUANG
  • Publication number: 20180039784
    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: Application
    Filed: May 22, 2017
    Publication date: February 8, 2018
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang
  • Publication number: 20180040356
    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: Application
    Filed: May 22, 2017
    Publication date: February 8, 2018
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang
  • Publication number: 20180039581
    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: Application
    Filed: May 22, 2017
    Publication date: February 8, 2018
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang
  • Patent number: 9778503
    Abstract: A display apparatus comprises a display panel. The display panel emits a green light having a green energy and a green point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a green image, and emits a blue light having a blue energy and a blue point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a blue image. The ratio of the green energy to the blue energy is between 0.7 and 1.5, and the coordinates of the green point in the CIE 1931 xy chromaticity diagram are bounded by the equation: y=?48.85x2+21.987x?1.7766 and the equation: y=?48.85x2+27.849x?3.2717, while y is between 0.68 and 0.72.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: October 3, 2017
    Assignee: INNOLUX CORPORATION
    Inventor: Shih-Chang Huang
  • Patent number: 9760434
    Abstract: A method of operating a memory device storing ECCs for corresponding data is provided. The method includes writing an extended ECC during a first program operation, the extended ECC including an ECC and an extended bit derived from the ECC. The method includes overwriting the extended ECC with a pre-determined state during a second program operation to indicate the second program operation. The method includes, setting the ECC to an initial ECC state before the first program operation; during the first program operation, computing the ECC, changing the ECC to the initial ECC state if the computed ECC equals the pre-determined state; and changing the extended bit to an initial value if the ECC equals the initial ECC state. The method includes reading an extended ECC including an extended bit and an ECC for corresponding data, and determining whether to enable ECC logic using the extended ECC.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: September 12, 2017
    Assignee: Macronix International Co., Ltd.
    Inventors: Shih-Chang Huang, Ken-Hui Chen, Chun-Hsiung Hung
  • Patent number: 9691907
    Abstract: A non-volatile memory device includes a plurality of memory cells. Each memory cell includes a vertical channel, a control gate, a floating gate, and an erase gate disposed on a substrate. The vertical channel extends upwards in a vertical direction. The control gate, the floating gate, and the erase gate surround the vertical channel respectively, and a part of the floating gate is surrounded by the control gate. The erase gate is disposed between the substrate and the floating gate in the vertical direction, and the floating gate include a tip extending toward the erase gate. The vertical channel and electrodes surrounding the vertical channel, such as the control gate, the floating gate, and the erase gate, are used to reduce the area of the memory cell on the substrate of the non-volatile memory device in the present invention. The density of the memory cells may be enhanced accordingly.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: June 27, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventor: Shih-Chang Huang
  • Patent number: 9557459
    Abstract: A display apparatus comprises a display panel. The display panel emits a green light having a green energy and a green point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a green image, and emits a blue light having a blue energy and a blue point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a blue image. The ratio of the green energy to the blue energy is between 0.7 and 1.2. In the CIE 1931 chromaticity diagram, the coordinates of the blue point are bounded by the equation: y=?168.72x2+50.312x?3.635 and the equation: y=?168.72x2+63.81x?5.9174, while y is between 0.04 and 0.08.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: January 31, 2017
    Assignee: Innolux Corporation
    Inventors: Shih-Chang Huang, Jeng-Wei Yeh, Kuei-Ling Liu
  • Patent number: 9547194
    Abstract: A liquid crystal display apparatus includes a display panel and a backlight module. The display panel includes a color filter layer having a blue filter portion. The backlight module emits light to the display panel. A peak wavelength of a blue light portion of the spectrum of the light is greater than or equal to 440 nm and smaller than or equal to 450 nm. The blue filter portion has a transmission spectrum having a first wavelength ?1 and a second wavelength ?2, and the first wavelength ?1 and the second wavelength ?2 conform to the following equation: 514 ? ? 1 2 + ? 2 2 + 0.71862 ? ? ? 2 - 0.71862 ? ? ? 1 ? 541 The first wavelength ?1 and the second wavelength ?2 are corresponding to a half level of a peak value of the transmission spectrum, and the unit thereof is nm.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: January 17, 2017
    Assignee: INNOLUX CORPORATION
    Inventors: Jeng-Wei Yeh, Shih-Chang Huang, Kuei-Ling Liu
  • Patent number: 9535785
    Abstract: A method of operating a memory storing data sets, and ECCs for the data sets is provided. The method includes when writing new data in a data set, computing and storing an ECC, if a number of addressable segments storing the new data and data previously programmed in the data set includes at least a predetermined number of addressable segments. The method includes storing indications for whether to enable or disable use of the ECCs, using the ECC and a first additional ECC bit derived from the ECC. The method includes reading from a data set an extended ECC including an ECC and a first additional ECC bit derived from the ECC, and enabling or disabling use of the ECC according to the indications stored for the data set. The method includes enabling use of ECCs for blank data sets, using the indications and a second additional ECC bit.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: January 3, 2017
    Assignee: Macronix International Co., Ltd.
    Inventors: Nai-Ping Kuo, Shih-Chang Huang, Chin-Hung Chang, Ken-Hui Chen, Kuen-Long Chang, Chun-Hsiung Hung
  • Publication number: 20160372637
    Abstract: A light source for a display device, includes: a first LED chip emitting a first light having a peak located within the range of wavelengths 380 nm to 500 nm, and a second LED chip emitting a second light having a peak located within the range of wavelengths 380 nm to 500 nm, wherein the peak wavelength of the second light is longer than the peak wavelength of the first light, and the difference between the peak wavelength of the second light and the peak wavelength of the first light is less than 40 nm and greater than or equal to 10 nm.
    Type: Application
    Filed: June 6, 2016
    Publication date: December 22, 2016
    Inventors: Shih-Chang HUANG, Wun-Yuan SU, Jeng-Wei YEH
  • Patent number: 9496767
    Abstract: A motor includes an outer frame, a vibration-proof base, and a motor body. The outer frame includes a supporting base. The vibration-proof base is disposed at the supporting base of the outer frame and includes a base body and a vibration-proof ring. The base body includes an upper surface and a side surface. The vibration-proof ring is sleeved around the side surface of the base body. The vibration-proof ring is in contact with the supporting base. The motor body is disposed on the base body. The disclosure can greatly reduce vibration generated in the operation of the motor and reduce noises.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: November 15, 2016
    Assignee: SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD.
    Inventors: Shih-Chang Huang, Chih-Hao Mai
  • Publication number: 20150370634
    Abstract: A method of operating a memory device storing ECCs for corresponding data is provided. The method includes writing an extended ECC during a first program operation, the extended ECC including an ECC and an extended bit derived from the ECC. The method includes overwriting the extended ECC with a pre-determined state during a second program operation to indicate the second program operation. The method includes, setting the ECC to an initial ECC state before the first program operation; during the first program operation, computing the ECC, changing the ECC to the initial ECC state if the computed ECC equals the pre-determined state; and changing the extended bit to an initial value if the ECC equals the initial ECC state. The method includes reading an extended ECC including an extended bit and an ECC for corresponding data, and determining whether to enable ECC logic using the extended ECC.
    Type: Application
    Filed: September 1, 2015
    Publication date: December 24, 2015
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Shih-Chang Huang, Ken-Hui Chen, Chun-Hsiung Hung
  • Publication number: 20150285970
    Abstract: A display apparatus comprises a display panel. The display panel emits a green light having a green energy and a green point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a green image, and emits a blue light having a blue energy and a blue point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a blue image. The ratio of the green energy to the blue energy is between 0.7 and 1.2. In the CIE 1931 chromaticity diagram, the coordinates of the blue point are bounded by the equation: y=?168.72x2+50.312x?3.635 and the equation: y=?168.72x2+63.81x?5.9174, while y is between 0.04 and 0.08.
    Type: Application
    Filed: June 18, 2015
    Publication date: October 8, 2015
    Inventors: Shih-Chang HUANG, Jeng-Wei YEH, Kuei-Ling LIU
  • Patent number: 9146809
    Abstract: A method of operating a memory device storing ECCs for corresponding data is provided. The method includes writing an extended ECC during a first program operation, the extended ECC including an ECC and an extended bit derived from the ECC. The method includes overwriting the extended ECC with a pre-determined state during a second program operation to indicate the second program operation. The method includes, setting the ECC to an initial ECC state before the first program operation; during the first program operation, computing the ECC, changing the ECC to the initial ECC state if the computed ECC equals the pre-determined state; and changing the extended bit to an initial value if the ECC equals the initial ECC state. The method includes reading an extended ECC including an extended bit and an ECC for corresponding data, and determining whether to enable ECC logic using the extended ECC.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: September 29, 2015
    Assignee: Macronix International Co., Ltd.
    Inventors: Shih-Chang Huang, Ken-Hui Chen, Chun-Hsiung Hung
  • Publication number: 20150260320
    Abstract: A flange mounting structure of a pump has a pump body, an adapting flange, and a retaining ring. The pump body has an inlet/outlet connection tube with an engaging groove. The adapting flange is mounted around the inlet/outlet connection tube and has an annular recess and an inner shoulder. The retaining ring engages in the engaging groove of the inlet/outlet connection tube, protrudes in the annular recess of the adapting flange, and abuts the inner shoulder of the adapting flange, such that the adapting flange can be held at a specific position on the inlet/outlet connection tube. Accordingly, processes of mounting the adapting flange on the inlet/outlet connection tube and dismounting the adapting flange from the inlet/outlet connection tube can be promptly facilitated.
    Type: Application
    Filed: October 21, 2014
    Publication date: September 17, 2015
    Applicant: STAIRS INDUSTRIAL CO., LTD.
    Inventor: Shih-Chang HUANG
  • Patent number: 9091427
    Abstract: A display apparatus comprises a display panel. The display panel emits a green light having a green energy and a green point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a green image, and emits a blue light having a blue energy and a blue point of the CIE 1931 xy chromaticity under the operation of the highest gray level of a blue image. The ratio of the green energy to the blue energy is between 0.7 and 1.2. In the CIE 1931 chromaticity diagram, the coordinates of the blue point are bounded by the equation: y=?168.72x2+50.312x?3.635 and the equation: y=?168.72x2+63.81x?5.9174, while y is between 0.04 and 0.08.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: July 28, 2015
    Assignee: INNOLUX CORPORATION
    Inventors: Shih-Chang Huang, Jeng-Wei Yeh, Kuei-Ling Liu
  • Publication number: 20150205665
    Abstract: A method of operating a memory storing data sets, and ECCs for the data sets is provided. The method includes when writing new data in a data set, computing and storing an ECC, if a number of addressable segments storing the new data and data previously programmed in the data set includes at least a predetermined number of addressable segments. The method includes storing indications for whether to enable or disable use of the ECCs, using the ECC and a first additional ECC bit derived from the ECC. The method includes reading from a data set an extended ECC including an ECC and a first additional ECC bit derived from the ECC, and enabling or disabling use of the ECC according to the indications stored for the data set. The method includes enabling use of ECCs for blank data sets, using the indications and a second additional ECC bit.
    Type: Application
    Filed: January 17, 2014
    Publication date: July 23, 2015
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Nai-Ping Kuo, Shih-Chang Huang, Chin-Hung Chang, Ken-Hui Chen, Kuen-Long Chang, Chun-Hsiung Hung
  • Publication number: 20150155756
    Abstract: A motor includes an outer frame, a vibration-proof base, and a motor body. The outer frame includes a supporting base. The vibration-proof base is disposed at the supporting base of the outer frame and includes a base body and a vibration-proof ring. The base body includes an upper surface and a side surface. The vibration-proof ring is sleeved around the side surface of the base body. The vibration-proof ring is in contact with the supporting base. The motor body is disposed on the base body. The disclosure can greatly reduce vibration generated in the operation of the motor and reduce noises.
    Type: Application
    Filed: April 22, 2014
    Publication date: June 4, 2015
    Applicant: SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD.
    Inventors: SHIH-CHANG HUANG, CHIH-HAO MAI