Patents by Inventor Pei-Chen Huang

Pei-Chen 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: 20240074041
    Abstract: A circuit board includes a substrate and a metallic layer. A first area and at least one second area are defined on a portion of the substrate, the second area is located outside the first area. The metallic layer includes first test lines disposed on the first area and second test lines disposed on the second area. A first test pad of each of the first test lines has a first width, and a second test pad of each of the second test lines has a second width. The second width is greater than the first width such that probes of an electrical testing tool can contact the first and second test pads on the circuit board correctly during electrical testing.
    Type: Application
    Filed: August 16, 2023
    Publication date: February 29, 2024
    Inventors: Gwo-Shyan Sheu, Kuo-Liang Huang, Hsin-Hao Huang, Pei-Wen Wang, Yu-Chen Ma
  • Publication number: 20200345988
    Abstract: A pipeline collector is used for bundling at least one hose. The pipeline collector comprises at least one bundling member corresponding to the hoses and is characterized in that each of the bundling members comprises a bundling body, a first top edge positioned at one side of the bundling body, a second top edge defined at the other side of the bundling body relative to the first top edge, and a first accommodation area which is recessed from the surface of the bundling body relative to the hoses and penetrates through the first top edge and the second top edge, wherein a profile of the first accommodation area is non-orthogonally disposed relative to the first top edge or the second top edge.
    Type: Application
    Filed: May 1, 2019
    Publication date: November 5, 2020
    Inventors: CHING-LUNG KUO, JHI-JOUNG WANG, YU-CHEN TUNG, PEI-CHEN HUANG, CHIA-CHEN HSU, SHU-HUI HU, JUI-YU WENG
  • Publication number: 20170073304
    Abstract: The present invention relates to a method for preparation of Teriflunomide, comprising steps of: (a) adding Leflunomide to an alcoholic solvent to give solution (I); (b) adding an aqueous sodium hydroxide solution slowly into the solution (I) to give solution (II); (c) acidifying the solution (II) with inorganic acid for precipitation to give solution (III); and (d) filtering the solution (III) to give Teriflunomide.
    Type: Application
    Filed: September 10, 2015
    Publication date: March 16, 2017
    Applicant: FORMOSA LABORATORIES INC.
    Inventors: CHING-PENG WEI, PEI-CHEN HUANG
  • Patent number: 9079250
    Abstract: The present invention is related to a method of preparing silver nanowire, wherein the method uses aldehyde derivatives as reducing agent to reduce silver salt with positive one valence of silver, to silver nanowire under the presence of organic accelerant. The preparation steps comprise: (A) providing a solution comprising an organic accelerant and an aldehyde derivative, heating the solution and then adding an acid into the solution to form a first solution; and (B) adding a silver salt solution with positive one valence of silver into the first solution to form silver nanowire.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: July 14, 2015
    Assignee: NICHING INDUSTRIAL CORPORATION
    Inventors: Hsiang-An Feng, Chung-Hung Chang, Hsin-Fang Chang, Pei-Chen Huang
  • Patent number: 8976192
    Abstract: A contrast control device is provided. The device of the invention includes a detecting unit, a judging unit, a backlight control unit, a gain generating unit and a contrast gain processing unit. The detecting unit calculates an average value and detects a maximum value of a current image. The judging unit generates a gain index and a brightness index according to the average value. The backlight control unit generates a backlight control signal according to the brightness index. The gain generating unit generates a first contrast gain value and a soft-clamping gain value according to the gain index, the average value and the maximum value and then selects one from the first contrast gain value and the soft-clamping gain value for output as a second contrast gain value according to an input pixel value of the current image. The contrast gain processing unit generates an output pixel value according to the second contrast gain value and the input pixel value.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: March 10, 2015
    Assignee: Realtek Semiconductor Corp.
    Inventors: Pei-Chen Huang, Yu-Chung Lee, Shih-Yu Hsu, Po-Yang Wu
  • Patent number: 8890901
    Abstract: A color management circuit and a related color management method are provided. The color management circuit is disposed in a display device which has a panel provided with a panel conversion characteristic. The color management circuit includes: a first nonlinear conversion circuit, a color matrix conversion circuit and a second nonlinear conversion circuit. The first nonlinear conversion circuit is utilized for performing a first nonlinear conversion upon a color data to generate a first conversion data. The color matrix conversion circuit is utilized for performing a liner matrix calculation upon the first conversion data to generate a matrix calculation data. The second nonlinear conversion circuit is utilized for performing a second nonlinear conversion upon the matrix calculation data to generate a second conversion data to the panel, wherein a combined conversion characteristic of the second conversion characteristic with the panel conversion characteristic is substantially linear.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: November 18, 2014
    Assignee: Realtek Semiconductor Corp.
    Inventors: Yu-Chung Lee, Pei-Chen Huang
  • Patent number: 8715528
    Abstract: The invention discloses a reflective liquid crystal material formulation, wherein a liquid crystal component of high dielectric anisotropy is employed to lower the driving voltage. By modulating the addition ratio of the high dielectric anisotropy components, reflective liquid crystal compositions of different reflective colors can be driven by a single driving voltage. The invention also provides a reflective bistable display using the above formulation.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: May 6, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: An-Cheng Chen, Pei-Chen Huang, Chien-Hsien Cheng, Chun-Ming Wu, Shih-Hsien Jassy Liu, Kung-Lung Cheng
  • Publication number: 20140102255
    Abstract: The present invention is related to a method of preparing silver nanowire, wherein the method uses aldehyde derivatives as reducing agent to reduce silver salt with positive one valence of silver, to silver nanowire under the presence of organic accelerant. The preparation steps comprise: (A) providing a solution comprising an organic accelerant and an aldehyde derivative, heating the solution and then adding an acid into the solution to form a first solution; and (B) adding a silver salt solution with positive one valence of silver into the first solution to form silver nanowire.
    Type: Application
    Filed: February 8, 2013
    Publication date: April 17, 2014
    Applicant: NICHING INDUSTRIAL CORPORATION
    Inventors: Hsiang-An FENG, Chung-Hung CHANG, Hsin-Fang CHANG, Pei-Chen HUANG
  • Patent number: 8673176
    Abstract: A method of reusing micro-encapsulated cholesteric liquid crystals is provided. The method includes providing a display medium material containing a micro-encapsulated cholesteric liquid crystal and a dispersant. The display medium material is mixed with a solvent to form a mixture having a temperature of between 40° C. and 60° C. A centrifugal process is performed to the mixture for separating the micro-encapsulated cholesteric liquid crystal and the dispersant. Then, the dispersant and the solvent are removed to obtain the micro-encapsulated cholesteric liquid crystal.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: March 18, 2014
    Assignees: Industrial Technology Research Institute, Chang-Chun Plastics Co., Ltd.
    Inventors: Pei-Chen Huang, Chih-Lin Su, Kuo-Chang Wang, Shih-Hsien Liu, Kung-Lung Cheng
  • Patent number: 8673175
    Abstract: A method of recycling a cholesteric liquid crystal is provided. The method includes providing a display medium material containing a micro-encapsulated cholesteric liquid crystal. The display medium material is mixed with a hydrophilic solvent to form a mixture having a temperature of between 70° C. and 100° C. Then, a hydrophobic solvent is added to mix with the hydrophilic solvent. The display medium material, the hydrophobic solvent and the hydrophilic solvent are mixed to form a mixture having a hydrophobic layer and a hydrophilic layer. The hydrophobic layer and the hydrophilic layer of the mixture are separated, wherein the hydrophobic layer contains a cholesteric liquid crystal and the hydrophobic solvent. Then, the hydrophobic solvent is removed from the hydrophobic layer to obtain the cholesteric liquid crystal.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: March 18, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Pei-Chen Huang, Chih-Lin Su, Kuo-Chang Wang, Shih-Hsien Liu, Kung-Lung Cheng
  • Publication number: 20140051875
    Abstract: The present invention relates to maxacalcitol hydrate, a new crystalline form of maxacalcitol, with superior technical properties e.g. in the manufacture of crystal suspension formulations, and with superior stability properties.
    Type: Application
    Filed: August 16, 2013
    Publication date: February 20, 2014
    Applicant: FORMOSA LABORATORIES INC.
    Inventors: CHING-PENG WEI, PEI-CHEN HUANG
  • Patent number: 8648885
    Abstract: A method for creating a Gamma look-up table (LUT) includes: calculating interpolated display characteristics of a plurality of colors by using a nonlinear interpolation algorithm based on a plurality of display characteristics of the predetermined patterns wherein the number of the display characteristics is smaller than the product of the number of the colors and the number of the interpolated display characteristics of the colors; and correcting the interpolated display characteristics of the colors on the basis of a maximum display characteristic value and a reference gamma value so that the Gamma look-up table is created. The predetermined patterns comprise a plurality of gray level patterns which one-by-one correspond to a plurality of levels, and the interval of a pair of adjacent gray level patterns among the gray level patterns is different from the interval of another pair of adjacent gray level patterns among the gray level patterns.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: February 11, 2014
    Assignee: Realtek Semiconductor Corp.
    Inventors: Yu-Chung Lee, Cheng-Chuan Tsai, Pei-Chen Huang
  • Publication number: 20130146812
    Abstract: A method of recycling a cholesteric liquid crystal is provided. The method includes providing a display medium material containing a micro-encapsulated cholesteric liquid crystal. The display medium material is mixed with a hydrophilic solvent to form a mixture having a temperature of between 70° C. and 100° C. Then, a hydrophobic solvent is added to mix with the hydrophilic solvent. The display medium material, the hydrophobic solvent and the hydrophilic solvent are mixed to form a mixture having a hydrophobic layer and a hydrophilic layer. The hydrophobic layer and the hydrophilic layer of the mixture are separated, wherein the hydrophobic layer contains a cholesteric liquid crystal and the hydrophobic solvent. Then, the hydrophobic solvent is removed from the hydrophobic layer to obtain the cholesteric liquid crystal.
    Type: Application
    Filed: June 14, 2012
    Publication date: June 13, 2013
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Pei-Chen HUANG, Chih-Lin SU, Kuo-Chang WANG, Shih-Hsien LIU, Kung-Lung CHENG
  • Publication number: 20130146811
    Abstract: A method of reusing micro-encapsulated cholesteric liquid crystals is provided. The method includes providing a display medium material containing a micro-encapsulated cholesteric liquid crystal and a dispersant. The display medium material is mixed with a solvent to form a mixture having a temperature of between 40° C. and 60° C. A centrifugal process is performed to the mixture for separating the micro-encapsulated cholesteric liquid crystal and the dispersant. Then, the dispersant and the solvent are removed to obtain the micro-encapsulated cholesteric liquid crystal.
    Type: Application
    Filed: June 14, 2012
    Publication date: June 13, 2013
    Applicants: CHANG-CHUN PLASTICS CO., LTD., INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Pei-Chen HUANG, Chih-Lin SU, Kuo-Chang WANG, Shih-Hsien LIU, Kung-Lung CHENG
  • Patent number: 8460766
    Abstract: A liquid crystal compound of Formula (1) is provided below: wherein R is hydrogen, linear or branching C1-15 alkyl, linear or branching C1-15 alkyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), linear or branching C2-15 alkenyl, or linear or branching C2-15 alkenyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), A and B are, independently, cyclohexane, cyclohexane (wherein any one of —CH2— is replaced by —O— or —NH—), benzene, or benzene (wherein any one of —CH2? is replaced by —N?), X is a single bond, —CO—O—, —O—CO—, —CH2O—, —OCH2—, —CH2CH2—, —C?C—, —C?C—, —CF2O—, or —OCF2—, Q is oxygen or CH2, Y is CF3, CF2H, or CFH2, L1, L2, and L3 are, independently, hydrogen or fluorine, and m is 0, 1, or 2.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: June 11, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Pei-Chen Huang, Kuo-Chang Wang, Kuo-Liang Yeh, An-Cheng Chen, Kung-Lung Cheng, Shyue-Ming Jang
  • Publication number: 20120164355
    Abstract: A liquid crystal compound of Formula (1) is provided. In Formula (1), R is hydrogen, linear or branching C1-15 alkyl, linear or branching C1-15 alkyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), linear or branching C2-15 alkenyl, or linear or branching C2-15 alkenyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), A and B are, independently, cyclohexane, cyclohexane (wherein any one of —CH2— is replaced by —O— or —NH—), benzene, or benzene (wherein any one of —CH2? is replaced by —N?), X is a single bond, —CO—O—, —O—CO—, —CH2O—, —OCH2—, —CH2CH2—, —C?C—, —C?C—, —CF2O—, or —OCF2—, Q is oxygen or CH2, Y is CF3, CF2H, or CFH2, L1, L2, and L3 are, independently, hydrogen or fluorine, and m is 0, 1, or 2.
    Type: Application
    Filed: June 10, 2011
    Publication date: June 28, 2012
    Inventors: Pei-Chen Huang, Kuo-Chang Wang, Kuo-Liang Yeh, An-Cheng Chen, Kung-Lung Cheng, Shyue-Ming Jang
  • Publication number: 20120007880
    Abstract: A contrast control device is provided. The device of the invention includes a detecting unit, a judging unit, a backlight control unit, a gain generating unit and a contrast gain processing unit. The detecting unit calculates an average value and detects a maximum value of a current image. The judging unit generates a gain index and a brightness index according to the average value. The backlight control unit generates a backlight control signal according to the brightness index. The gain generating unit generates a first contrast gain value and a soft-clamping gain value according to the gain index, the average value and the maximum value and then selects one from the first contrast gain value and the soft-clamping gain value for output as a second contrast gain value according to an input pixel value of the current image. The contrast gain processing unit generates an output pixel value according to the second contrast gain value and the input pixel value.
    Type: Application
    Filed: July 7, 2011
    Publication date: January 12, 2012
    Inventors: Pei-Chen HUANG, Yu-Chung Lee, Shih-Yu Hsu, Po-Yang Wu
  • Publication number: 20110299021
    Abstract: The invention discloses a reflective liquid crystal material formulation, wherein a liquid crystal component of high dielectric anisotropy is employed to lower the driving voltage. By modulating the addition ratio of the high dielectric anisotropy components, reflective liquid crystal compositions of different reflective colors can be driven by a single driving voltage. The invention also provides a reflective bistable display using the above formulation.
    Type: Application
    Filed: January 13, 2010
    Publication date: December 8, 2011
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: An-Cheng Chen, Pei-Chen Huang, Chien-Hsien Cheng, Chun-Ming Wu, Shih-Hsien Jassy Liu, Kung-Lung Cheng
  • Publication number: 20110057963
    Abstract: A color management circuit and a related color management method are provided. The color management circuit is disposed in a display device which has a panel provided with a panel conversion characteristic. The color management circuit includes: a first nonlinear conversion circuit, a color matrix conversion circuit and a second nonlinear conversion circuit. The first nonlinear conversion circuit is utilized for performing a first nonlinear conversion upon a color data to generate a first conversion data. The color matrix conversion circuit is utilized for performing a liner matrix calculation upon the first conversion data to generate a matrix calculation data. The second nonlinear conversion circuit is utilized for performing a second nonlinear conversion upon the matrix calculation data to generate a second conversion data to the panel, wherein a combined conversion characteristic of the second conversion characteristic with the panel conversion characteristic is substantially linear.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 10, 2011
    Inventors: Yu-Chung Lee, Pei-Chen Huang
  • Patent number: 7820251
    Abstract: The disclosed is a liquid crystal compound and method for manufacturing the same. The liquid crystal compound can be used alone or mixed with commercially available liquid crystal compounds. Because low rotational viscosity of the liquid crystal compound of the invention, it can be used as positive or negative dielectric anisotropic liquid crystal composition.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: October 26, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: An-Cheng Chen, Pei-Chen Huang, Kung-Lung Cheng, Shih-Hsien Liu