Patents by Inventor Hsiu-Ming Chang

Hsiu-Ming Chang 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: 10633569
    Abstract: A composition and a solution for temporary bonding are provided. The composition includes a dianhydride monomer, a light-absorbing monomer, and a light-absorbing material. The light-absorbing monomer includes at least one of N,N,N,N-(p-aminophenyl)-p-phenylenediamine (TPDA) and N,N-(p-aminophenyl)-p-phenylenediamine (DPDA). The light-absorbing material includes carbon black and silicon dioxide.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: April 28, 2020
    Assignee: TAIFLEX Scientific Co., Ltd.
    Inventors: Hsiu-Ming Chang, Tsung-Tai Hung, Li-Jung Hsiao, Po-Wen Lin
  • Publication number: 20190292429
    Abstract: A composition and a solution for temporary bonding are provided. The composition includes a dianhydride monomer, a light-absorbing monomer, and a light-absorbing material. The light-absorbing monomer includes at least one of N,N,N,N-(p-aminophenyl)-p-phenylenediamine (DPDA) and N,N-(p-aminophenyl)-p-phenylenediamine (TPDA). The light-absorbing material includes carbon black and silicon dioxide.
    Type: Application
    Filed: June 25, 2018
    Publication date: September 26, 2019
    Applicant: TAIFLEX Scientific Co., Ltd.
    Inventors: Hsiu-Ming Chang, Tsung-Tai Hung, Li-Jung Hsiao, Po-Wen Lin
  • Publication number: 20190103274
    Abstract: A method of transferring micro devices is provided. A carrier substrate having a first surface and a second surface opposite to each other is provided, wherein a plurality of micro devices is disposed on the first surface, and each micro device binds to the first surface through laser debonding gel. Next, a receiving substrate is subjected to be relatively closer to the first surface, and a mask is provided on the second surface. Afterwards, the second surface with the mask is irradiated with a laser light, so as to keep the micro devices without laser irradiation binding on the first surface, and the micro devices irradiated with the laser light lose adhesive force and transfer to the receiving substrate.
    Type: Application
    Filed: November 30, 2017
    Publication date: April 4, 2019
    Applicant: TAIFLEX Scientific Co., Ltd.
    Inventors: Hsiu-Ming Chang, Po-Wen Lin, Tsung-Tai Hung
  • Publication number: 20170372195
    Abstract: The present invention discloses a system for finding shortest pathways between neurons in a neural network, including a neural space generating module for establishing a three dimensional or higher dimensional neural space database (which may be neuron image database), wherein the three dimensional or higher dimensional neural space database includes a plurality of neurons distributed therein. A neurons connection determining module is used for determined whether there is a connection between each of the plurality of neurons in the three dimensional or higher dimensional neural space database and the others of the plurality of neurons in the three dimensional or higher dimensional neural space database. A neural shortest pathway tables generating module is used for calculating a shortest pathway table of all of a plurality of connected neurons and then stored in a storage device.
    Type: Application
    Filed: September 7, 2017
    Publication date: December 28, 2017
    Inventors: Ann-Shyn Chiang, Ching-Yao Lin, Hsiu-Ming Chang, Kuen-Long Tsai, Chang-Huain Hsieh
  • Patent number: 9509974
    Abstract: The present invention provides a method for providing 3D stereo image. The method comprises: accepting a request submitted from a client system by an intermediate server system; selecting an image server based on the request and responding to the client system from the image server through a processor in the intermediate server system; requesting at least one 3D stereo image by the client system from the image server according to the response; and providing the at least one 3D stereo image to the client system by the image server system. The present invention also provides a system for providing 3D stereo image.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: November 29, 2016
    Assignees: National Tsing Hua University, National Applied Research Laboratory
    Inventors: Guo-Tzau Wang, Ann-Shyn Chiang, Hsiu-Ming Chang, Chao-Chun Chuang, Chang-Wei Yeh, Chang-Huain Hsieh
  • Publication number: 20160286698
    Abstract: An electromagnetic shielding film includes an insulation layer, and an electromagnetic shielding layer arranged at one side of the insulation layer. The electromagnetic shielding layer includes a polymer substrate and an electromagnetic shielding material. The polymer substrate has epoxy structures. The electromagnetic shielding material has a plurality of aculeate electromagnetic shielding microparticles dispersed in the polymer substrate.
    Type: Application
    Filed: May 17, 2015
    Publication date: September 29, 2016
    Inventors: Hsiu-Ming Chang, Po-Wen Lin, Ching-Wen Yu
  • Patent number: 9335616
    Abstract: An optical device utilized in a laser projector includes a circulatory air channel, a phosphor wheel disposed in the circulatory air channel, a thermal exchanger partially disposed in the circulatory air channel, and an air guiding component disposed in the circulatory air channel for guiding an air provided by the thermal exchanger toward the phosphor wheel. The temperature of the air passing through the phosphor wheel is lower than an environment temperature.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: May 10, 2016
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chia-Jui Lin, Hsiu-Ming Chang
  • Patent number: 9285680
    Abstract: A photosensitive polyimide composition; the composition comprises a base agent and a curing agent comprising a photoinitiator. By applying an aliphatic diamine monomer, which has a long carbon chain, and a grafting monomer, which has a main carbon chain having a double bond and an epoxy group at two ends respectively, to a method of making the base agent, a mixture of the base agent and the curing agent can be screen printed to form a photosensitive polyimide film on a copper foil. Also, the photosensitive polyimide film can be exposed under low exposure energy, and can be developed to a solder-resistant polyimide thin film by a weak alkaline developer after exposed. In addition, the solder-resistant polyimide thin film has low dielectric constant, low dielectric loss, good flame resistance, good solder resistance, and good pencil hardness. Accordingly, the photosensitive polyimide composition is applicable to high density flexible printed circuit boards.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: March 15, 2016
    Assignee: Taiflex Scientific Co., Ltd.
    Inventors: Shih-Chang Lin, Hsiu-Ming Chang, Tzu-Ching Hung
  • Patent number: 9279057
    Abstract: A method of making a thermally curable solder-resistant ink, which comprises the following steps: polymerizing an aliphatic diamine monomer having a long carbon chain, an aromatic dianhydride monomer, an aromatic diamine monomer having a carboxylic acid group, and an anhydride monomer having a carboxylic acid group in an aprotic solvent to obtain a polyamine acid; cyclizing the polyamine acid to obtain a polyimide; and mixing the polyimide and a curing agent to obtain the thermally curable solder-resistant ink. By the steps mentioned above, the thermally curable solder-resistant ink made from the method has a dielectric constant less than 3.00 and a dielectric loss less than 0.01 and thereby is applicable to high frequency electronic equipments. Also, the thermally curable solder-resistant ink has good electrical properties, folding endurance, solder resistance, warpage resistance, flame resistance, acid endurance, alkali endurance, good solvent resistance and low water absorption.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: March 8, 2016
    Assignee: Taiflex Scientific Co., Ltd.
    Inventors: Hsiu-Ming Chang, Shih-Chang Lin, Tzu-Ching Hung
  • Publication number: 20160026075
    Abstract: A heat dissipation assembly for a projection apparatus is provided. The projection apparatus includes a light source, optical elements and a heat dissipation assembly. The heat dissipation assembly includes a case, a heat dissipation element, a fan and a temperature controlling unit. The optical elements transmit a light beam generated by the light source, and thereby generate heat. The heat dissipation assembly is adapted for heat dissipation correspondingly. In the heat dissipation assembly, the case protects the optical elements from being polluted by the dust during heat dissipation. The temperature controlling unit senses the surrounding temperature to control the fan for cooling the heat dissipation element, and the durability of the optical elements are thereby enhanced.
    Type: Application
    Filed: October 1, 2015
    Publication date: January 28, 2016
    Inventors: Chia-Jui LIN, Hsiu-Ming CHANG, Mao-Shan HSU
  • Publication number: 20160018733
    Abstract: A photosensitive polyimide composition; the composition comprises a base agent and a curing agent comprising a photoinitiator. By applying an aliphatic diamine monomer, which has a long carbon chain, and a grafting monomer, which has a main carbon chain having a double bond and an epoxy group at two ends respectively, to a method of making the base agent, a mixture of the base agent and the curing agent can be screen printed to form a photosensitive polyimide film on a copper foil. Also, the photosensitive polyimide film can be exposed under low exposure energy, and can be developed to a solder-resistant polyimide thin film by a weak alkaline developer after exposed. In addition, the solder-resistant polyimide thin film has low dielectric constant, low dielectric loss, good flame resistance, good solder resistance, and good pencil hardness. Accordingly, the photosensitive polyimide composition is applicable to high density flexible printed circuit boards.
    Type: Application
    Filed: July 16, 2014
    Publication date: January 21, 2016
    Inventors: Shih-Chang Lin, Hsiu-Ming Chang, Tzu-Ching Hung
  • Patent number: 9229302
    Abstract: The projection apparatus includes a light source, optical elements and a heat dissipation assembly. The heat dissipation assembly includes a case, a heat dissipation element, a fan and a temperature controlling unit. The optical elements transmit a light beam generated by the light source, and thereby generate heat. The heat dissipation assembly is adapted for heat dissipation correspondingly. In the heat dissipation assembly, the case protects the optical elements from being polluted by the dust during heat dissipation. The temperature controlling unit senses the surrounding temperature to control the fan for cooling the heat dissipation element, and the durability of the optical elements are thereby enhanced.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: January 5, 2016
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chia-Jui Lin, Hsiu-Ming Chang, Mao-Shan Hsu
  • Publication number: 20150322274
    Abstract: A method of making a thermally curable solder-resistant ink, which comprises the following steps: polymerizing an aliphatic diamine monomer having a long carbon chain, an aromatic dianhydride monomer, an aromatic diamine monomer having a carboxylic group, and an anhydride monomer having a carboxylic group in an aprotic solvent to obtain a polyamine acid; cyclizing the polyamine acid to obtain a modified polyimide; and mixing the modified polyimide and a curing agent to obtain the thermally curable solder-resistant ink. By the steps mentioned above, the thermally curable solder-resistant ink made from the method has a dielectric constant less than 3.00 and a dielectric loss less than 0.01 and thereby is applicable to high frequency electronic equipments. Also, the thermally curable solder-resistant ink has good electrical properties, folding endurance, solder resistance, warpage resistance, flame resistance, acid endurance, alkali endurance, good solvent resistance and low water absorption.
    Type: Application
    Filed: May 6, 2014
    Publication date: November 12, 2015
    Applicant: TAIFLEX SCIENTIFIC CO., LTD.
    Inventors: Hsiu-Ming Chang, Shih-Chang Lin, Tzu-Ching Hung
  • Publication number: 20150029472
    Abstract: An optical device utilized in a laser projector includes a circulatory air channel, a phosphor wheel disposed in the circulatory air channel, a thermal exchanger partially disposed in the circulatory air channel, and an air guiding component disposed in the circulatory air channel for guiding an air provided by the thermal exchanger toward the phosphor wheel. The temperature of the air passing through the phosphor wheel is lower than an environment temperature.
    Type: Application
    Filed: December 4, 2013
    Publication date: January 29, 2015
    Applicant: DELTA ELECTRONICS, INC.
    Inventors: Chia-Jui LIN, Hsiu-Ming CHANG
  • Patent number: 8941720
    Abstract: A method of enhancing 3D image information density, comprising providing a confocal fluorescent microscope and a rotational stage. 3D image samples at different angles are collected. A deconvolution process of the 3D image samples by a processing unit is performed. A registration process of the deconvoluted 3D image samples by the processing unit is performed. An interpolation process of the registered 3D image samples by the processing unit is performed to output a 3D image in high resolution.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: January 27, 2015
    Assignee: National Tsing Hua University
    Inventors: Ann-Shyn Chiang, Hsiu-Ming Chang, Yung-Chang Chen, Kuan-Yu Chen
  • Publication number: 20140247490
    Abstract: A cleaning module for cleaning an optical element or a sensing element of a projector is provided. The cleaning module includes a casing, an airflow-guiding device, and a nozzle. The airflow-guiding device is disposed within the casing. The nozzle is connected with the casing and in communication with an outlet of the airflow-guiding device. An opening of the nozzle faces the optical element or the sensing element, so that an airflow guided by the airflow-guiding device is directed to the optical element or the sensing element to remove dust from the optical element or the sensing element. Moreover, when a systematic fan of the projector is disabled, the airflow-guiding device is enabled.
    Type: Application
    Filed: May 2, 2013
    Publication date: September 4, 2014
    Applicant: DELTA ELECTRONICS, INC.
    Inventor: Hsiu-Ming Chang
  • Patent number: 8740393
    Abstract: A guiding device and a projector comprising the same are provided. The projector comprises a blower and a bulb. The blower is used for cooling the bulb. The guiding device is disposed between the blower and the bulb, and comprises a body and a flapper. The body of the guiding device is formed with a first outlet and a second outlet. The first outlet and the second outlet are adapted to guide the blower to form a first airflow and a second airflow, respectively. The flapper is disposed in the second outlet and moves along a direction of gravity to partially cover the second outlet to force the second airflow to flow towards a portion of the bulb away from the direction of gravity.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: June 3, 2014
    Assignee: Delta Electronics, Inc.
    Inventors: Chia-Jui Lin, Hsiu-Ming Chang, Hui-Chih Lin
  • Publication number: 20140114894
    Abstract: The present invention discloses a method for finding shortest pathways between neurons in a neural network, including: establishing a three dimensional or higher dimensional neural space database (which may be neuron image database) by a processing device in a storage space, wherein the three dimensional or higher dimensional neural space database includes a plurality of neurons distributed therein. Then, it is determined whether there is a connection between each of the plurality of neurons in the three dimensional or higher dimensional neural space database and the others of the plurality of neurons in the three dimensional or higher dimensional neural space database by the processing device, and subsequently a shortest pathway table of all of a plurality of connected neurons is calculated via an All-pairs Shortest Paths algorithm and is stored in the storage space.
    Type: Application
    Filed: May 16, 2013
    Publication date: April 24, 2014
    Applicants: National Applied Research Laboratory, National Tsing Hua University
    Inventors: Ann-Shyn Chiang, Ching-Yao Lin, Hsiu-Ming Chang, Kuen-Long Tsai, Chang-Huain Hsieh
  • Patent number: 8690347
    Abstract: A cooling device and a projection device comprising the same are provided. The projection device comprises a lamp and a cooling device. The lamp has a first side and a second side opposite the first side, and one of the two sides is the upper side of the lamp. The cooling device comprises a first blower and a second blower. The first blower is adapted to generate a first airflow towards the first side, while the second blower is adapted to generate a second airflow towards the second side.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: April 8, 2014
    Assignee: Delta Electronics, Inc.
    Inventors: Chia-Jui Lin, Hsiu-Ming Chang
  • Patent number: 8665276
    Abstract: The present invention discloses an image processing method for feature retention associated with averaging processes. The image processing method comprises: scaling and aligning a plurality of image data for acquiring feature information; determining a plurality of two-dimensional feature label points according to the feature information for generating at least one Bezier curve; utilizing the at least one Bezier curve to generate at least one Bezier tube and performing Bezier tube fitting for generating result of Bezier tube fitting; deforming the plurality of image data according to the Bezier tube or the result of Bezier tube fitting for generating a plurality of deformed image data; and averaging the plurality of deformed image data for generating feature-preserved average image data. The present invention also provides an image processing system, a computer readable storage medium, and a computer program product, for implementing the image processing method.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: March 4, 2014
    Assignee: National Tsing Hua University
    Inventors: Ann-Shyn Chiang, Hsiu-Ming Chang, Yung-Chang Chen, Kuan-Yu Chen