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).
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Publication number: 20240074041Abstract: 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: ApplicationFiled: August 16, 2023Publication date: February 29, 2024Inventors: Gwo-Shyan Sheu, Kuo-Liang Huang, Hsin-Hao Huang, Pei-Wen Wang, Yu-Chen Ma
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Publication number: 20200345988Abstract: 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: ApplicationFiled: May 1, 2019Publication date: November 5, 2020Inventors: CHING-LUNG KUO, JHI-JOUNG WANG, YU-CHEN TUNG, PEI-CHEN HUANG, CHIA-CHEN HSU, SHU-HUI HU, JUI-YU WENG
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Publication number: 20170073304Abstract: 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: ApplicationFiled: September 10, 2015Publication date: March 16, 2017Applicant: FORMOSA LABORATORIES INC.Inventors: CHING-PENG WEI, PEI-CHEN HUANG
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Patent number: 9079250Abstract: 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: GrantFiled: February 8, 2013Date of Patent: July 14, 2015Assignee: NICHING INDUSTRIAL CORPORATIONInventors: Hsiang-An Feng, Chung-Hung Chang, Hsin-Fang Chang, Pei-Chen Huang
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Patent number: 8976192Abstract: 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: GrantFiled: July 7, 2011Date of Patent: March 10, 2015Assignee: Realtek Semiconductor Corp.Inventors: Pei-Chen Huang, Yu-Chung Lee, Shih-Yu Hsu, Po-Yang Wu
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Patent number: 8890901Abstract: 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: GrantFiled: September 3, 2010Date of Patent: November 18, 2014Assignee: Realtek Semiconductor Corp.Inventors: Yu-Chung Lee, Pei-Chen Huang
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Patent number: 8715528Abstract: 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: GrantFiled: January 13, 2010Date of Patent: May 6, 2014Assignee: Industrial Technology Research InstituteInventors: An-Cheng Chen, Pei-Chen Huang, Chien-Hsien Cheng, Chun-Ming Wu, Shih-Hsien Jassy Liu, Kung-Lung Cheng
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Publication number: 20140102255Abstract: 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: ApplicationFiled: February 8, 2013Publication date: April 17, 2014Applicant: NICHING INDUSTRIAL CORPORATIONInventors: Hsiang-An FENG, Chung-Hung CHANG, Hsin-Fang CHANG, Pei-Chen HUANG
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Patent number: 8673176Abstract: 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: GrantFiled: June 14, 2012Date of Patent: March 18, 2014Assignees: 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
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Patent number: 8673175Abstract: 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: GrantFiled: June 14, 2012Date of Patent: March 18, 2014Assignee: Industrial Technology Research InstituteInventors: Pei-Chen Huang, Chih-Lin Su, Kuo-Chang Wang, Shih-Hsien Liu, Kung-Lung Cheng
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Publication number: 20140051875Abstract: 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: ApplicationFiled: August 16, 2013Publication date: February 20, 2014Applicant: FORMOSA LABORATORIES INC.Inventors: CHING-PENG WEI, PEI-CHEN HUANG
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Patent number: 8648885Abstract: 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: GrantFiled: February 11, 2010Date of Patent: February 11, 2014Assignee: Realtek Semiconductor Corp.Inventors: Yu-Chung Lee, Cheng-Chuan Tsai, Pei-Chen Huang
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Publication number: 20130146812Abstract: 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: ApplicationFiled: June 14, 2012Publication date: June 13, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Pei-Chen HUANG, Chih-Lin SU, Kuo-Chang WANG, Shih-Hsien LIU, Kung-Lung CHENG
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Publication number: 20130146811Abstract: 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: ApplicationFiled: June 14, 2012Publication date: June 13, 2013Applicants: CHANG-CHUN PLASTICS CO., LTD., INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Pei-Chen HUANG, Chih-Lin SU, Kuo-Chang WANG, Shih-Hsien LIU, Kung-Lung CHENG
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Patent number: 8460766Abstract: 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: GrantFiled: June 10, 2011Date of Patent: June 11, 2013Assignee: Industrial Technology Research InstituteInventors: Pei-Chen Huang, Kuo-Chang Wang, Kuo-Liang Yeh, An-Cheng Chen, Kung-Lung Cheng, Shyue-Ming Jang
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Publication number: 20120164355Abstract: 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: ApplicationFiled: June 10, 2011Publication date: June 28, 2012Inventors: Pei-Chen Huang, Kuo-Chang Wang, Kuo-Liang Yeh, An-Cheng Chen, Kung-Lung Cheng, Shyue-Ming Jang
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Publication number: 20120007880Abstract: 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: ApplicationFiled: July 7, 2011Publication date: January 12, 2012Inventors: Pei-Chen HUANG, Yu-Chung Lee, Shih-Yu Hsu, Po-Yang Wu
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Publication number: 20110299021Abstract: 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: ApplicationFiled: January 13, 2010Publication date: December 8, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: An-Cheng Chen, Pei-Chen Huang, Chien-Hsien Cheng, Chun-Ming Wu, Shih-Hsien Jassy Liu, Kung-Lung Cheng
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Publication number: 20110057963Abstract: 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: ApplicationFiled: September 3, 2010Publication date: March 10, 2011Inventors: Yu-Chung Lee, Pei-Chen Huang
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Patent number: 7820251Abstract: 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: GrantFiled: September 21, 2009Date of Patent: October 26, 2010Assignee: Industrial Technology Research InstituteInventors: An-Cheng Chen, Pei-Chen Huang, Kung-Lung Cheng, Shih-Hsien Liu