Patents by Inventor Hui-Yu Chen

Hui-Yu Chen 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: 20120273721
    Abstract: A blue phase liquid crystal composition includes a chiral dopant, a positive liquid crystal component and a negative liquid crystal component. The positive liquid crystal component includes at least one positive liquid crystal material, has a positive dielectric anisotropy and has no blue phase properties with respect to the chiral dopant. In addition, the negative liquid crystal component includes at least one negative liquid crystal material, has a negative dielectric anisotropy and has no blue phase properties with respect to the chiral dopant, so that the blue phase liquid crystal composition has a dielectric anisotropy between 0.5 and 14 and a blue phase temperature range larger than 3° C.
    Type: Application
    Filed: November 3, 2011
    Publication date: November 1, 2012
    Inventors: Hsin-Hung Liu, Hui-Yu Chen, Ji-Yi Chou, Jia-Liang Lai, Yu-Hsien Chen, Huai-An Li
  • Patent number: 8226981
    Abstract: A method of preparing a taste-masking oral dosage form is provided. The method includes providing a first solution comprising a pharmaceutically active ingredient and a starch, providing a second solution comprising a hydrophilic polymer and a surfactant, blending the first and second solution to form a plurality of microparticles by a granulating process, wherein the microparticle is a co-crystal structure comprising the pharmaceutically active ingredient and the starch, and performing a compression-molding process to form the tablet.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: July 24, 2012
    Assignee: Medical and Pharmaceutical Industry Technology and Development Center
    Inventors: Chih-Chiang Yang, Wen-Che Wang, Hui-Yu Chen
  • Patent number: 8118448
    Abstract: A reflector component is provided for a light emitting diode (LED) lamp that includes a plurality of spaced-apart LED light sources. The reflector component includes a bottom wall having two side edges extending along a longitudinal direction. The bottom wall is formed with a plurality of spaced-apart through holes, each of which permits a respective one of the LED light sources to extend therethrough. The reflector component further includes two side walls extending respectively and upwardly from and along the two side edges of the bottom wall. Each of the side walls has a reflecting surface that faces toward the other of the side walls and that extends upwardly and inclinedly relative to the bottom wall such that a distance between the reflecting surfaces increases in a direction away from the bottom wall.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: February 21, 2012
    Inventor: Hui Yu Chen
  • Patent number: 8038324
    Abstract: A waterproof lighting fixture includes a transparent tubular enclosure having two open ends and an inner peripheral wall that defines an inner hole. A lamp device is disposed in the inner hole, and includes a lamp seat, a LED light source module, a reflector component, a LED driver, and a power cable. The lamp seat has a heat-dissipating peripheral wall that is disposed around the lamp seat, that defines a compartment having an upper end opening, and that has an inner surface. A heat-dissipating base wall is disposed on the inner surface, and has a bottom surface. At least one heat-dissipating connecting wall is connected between the bottom surface and the inner surface. First and second waterproof devices are disposed for sealing the open ends of the enclosure, respectively.
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: October 18, 2011
    Inventor: Hui Yu Chen
  • Publication number: 20110134349
    Abstract: A multi-stable liquid crystal display device is provided. The device includes a first substrate, a second substrate, a first electrode, a second electrode and a liquid crystal layer. The first substrate and the second substrate are disposed opposite to each other. The first electrode is disposed on the first substrate. The second electrode is disposed on the side of the second substrate facing the first substrate. At least one of the first electrode and the second electrode includes a grating electrode. The liquid crystal layer includes smectic liquid crystal molecules. Moreover, a method of driving the multi-stable liquid crystal display device is further provided in the present invention.
    Type: Application
    Filed: April 11, 2010
    Publication date: June 9, 2011
    Inventors: Jhih-Sian Wu, Hui-Yu Chen, Szu-Fen Chen
  • Publication number: 20110010797
    Abstract: The present invention provides a method for changing nitrogen utilization efficiency in a plant comprises regulating the expression of Arabidopsis NRT 1.7 or an orthologue thereof so that the nitrate remobilization from older leaves to young leaves in the plant is regulated, thereby the nitrogen utilization efficiency is changed. The present invention also provides a transgenic plant obtainable by transforming a plant with an expression construct with a high or low level of expression of NRT 1.7. On the other hand, the present invention yet provides a chimera nitrate transporter, a DNA molecule coding for this chimera transporter and an expression vector thereof.
    Type: Application
    Filed: July 8, 2010
    Publication date: January 13, 2011
    Applicant: Academia Sinica
    Inventors: Yi-Fang Tsay, Shu-Chun Fan, Hui-Yu Chen
  • Publication number: 20100284192
    Abstract: An LED lighting fixture includes a lamp seat unit, a rotary unit and a first sealing member. The lamp seat unit includes a main body that has an outer peripheral surface formed with an external thread, and an LED lamp disposed in a front end thereof. The rotary unit includes a tube body surrounding the lamp seat unit and having an inner peripheral surface formed with an internal thread engaging the external thread, and a convex lens disposed in the tube body. When the tube body is rotated relative to the lamp seat unit, the lamp seat unit is movable in the axial direction.
    Type: Application
    Filed: November 24, 2009
    Publication date: November 11, 2010
    Applicant: JARRER CO., LTD.
    Inventor: Hui-Yu Chen
  • Publication number: 20100214785
    Abstract: A waterproof lighting fixture includes a transparent tubular enclosure having two open ends and an inner peripheral wall that defines an inner hole. A lamp device is disposed in the inner hole, and includes a lamp seat, a LED light source module, a reflector component, a LED driver, and a power cable. The lamp seat has a heat-dissipating peripheral wall that is disposed around the lamp seat, that defines a compartment having an upper end opening, and that has an inner surface. A heat-dissipating base wall is disposed on the inner surface, and has a bottom surface. At least one heat-dissipating connecting wall is connected between the bottom surface and the inner surface. First and second waterproof devices are disposed for sealing the open ends of the enclosure, respectively.
    Type: Application
    Filed: May 5, 2009
    Publication date: August 26, 2010
    Inventor: Hui Yu Chen
  • Patent number: 7771745
    Abstract: The present invention provides a method for making a fast dissolving tablet. The method includes the steps of (a) preparing a first solution containing a hydrophilic polymer and a starch; (b) preparing a second solution containing a pharmaceutically active ingredient and a surfactant; (c) blending the first and the second solution together to form a plurality of granule powders by granulation; (d) mixing the granule powders with excipients; and (e) applying a compression-molding process to form the fast dissolving tablet.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: August 10, 2010
    Assignee: Pharmaceutical Industry Technology and Development Center
    Inventors: Wen-Che Wang, Hui-Yu Chen, Chih-Chiang Yang
  • Publication number: 20100182783
    Abstract: A reflector component is provided for a light emitting diode (LED) lamp that includes a plurality of spaced-apart LED light sources. The reflector component includes a bottom wall having two side edges extending along a longitudinal direction. The bottom wall is formed with a plurality of spaced-apart through holes, each of which permits a respective one of the LED light sources to extend therethrough. The reflector component further includes two side walls extending respectively and upwardly from and along the two side edges of the bottom wall. Each of the side walls has a reflecting surface that faces toward the other of the side walls and that extends upwardly and inclinedly relative to the bottom wall such that a distance between the reflecting surfaces increases in a direction away from the bottom wall.
    Type: Application
    Filed: March 27, 2009
    Publication date: July 22, 2010
    Inventor: Hui Yu CHEN
  • Publication number: 20090246288
    Abstract: The present invention provides a taste-masking oral dosage form which comprises a taste-masked microparticle and an excipient. The taste-masked microparticle comprises a taste-masked crystal containing an active pharmaceutical ingredient masked by a hydrophilic polymer and a starch. The present invention also provides a method for making the taste-masked microparticles and taste-masking oral dosage form.
    Type: Application
    Filed: June 2, 2009
    Publication date: October 1, 2009
    Inventors: Chih-Chiang Yang, Wen-Che Wang, Hui-Yu Chen
  • Publication number: 20080011983
    Abstract: The present invention discloses a liquid crystal composite comprising a liquid crystal composition as a host and a plurality of carbon nanotubes as dopants, wherein the carbon nanotubes are dispersed in the liquid crystal composition. The average length of the carbon nanotubes is equal to or less than 1 ?m. Additionally, this invention also discloses a device comprising the mentioned liquid crystal composite.
    Type: Application
    Filed: July 14, 2006
    Publication date: January 17, 2008
    Applicant: CHUNG YUAN CHRISTIAN UNIVERSITY
    Inventors: Wei Lee, Jia-Shiang Gau, Hui-Yu Chen
  • Publication number: 20080003297
    Abstract: A taste-masking oral dosage form. The taste-masking oral dosage form comprises a pharmaceutically active ingredient, and a starch, wherein the pharmaceutically active ingredient is packaged by the starch to form a microparticle. A method of preparing the taste-masking oral dosage form is also disclosed.
    Type: Application
    Filed: September 5, 2007
    Publication date: January 3, 2008
    Inventors: Chih-Chiang Yang, Wen-Che Wang, Hui-Yu Chen
  • Publication number: 20050196438
    Abstract: A fast dissolving tablet. The fast dissolving tablet comprises a pharmaceutically active ingredient, a starch, a hydrophilic polymer, a surfactant, and excipients. A method of preparing the fast dissolving tablet is also disclosed.
    Type: Application
    Filed: May 3, 2004
    Publication date: September 8, 2005
    Applicant: Pharmaceutical Industry Technology and Development Center
    Inventors: Wen-Che Wang, Hui-Yu Chen, Chih-Chiang Yang
  • Publication number: 20050186284
    Abstract: A taste-masking oral dosage form. The taste-masking oral dosage form comprises a pharmaceutically active ingredient, and a starch, wherein the pharmaceutically active ingredient is packaged by the starch to form a microparticle. A method of preparing the taste-masking oral dosage form is also disclosed.
    Type: Application
    Filed: May 6, 2004
    Publication date: August 25, 2005
    Applicant: Pharmaceutical Industry Technology and Development Center
    Inventors: Chih-Chiang Yang, Wen-Che Wang, Hui-Yu Chen
  • Publication number: 20050053655
    Abstract: The present invention provides a fast-disintegrating tablet (RDT) and the method of preparing the RDT. The RDT contains a plurality of microcapsules which contains an active pharmaceutical ingredient surrounded by a polymeric matrix formed by a hydrogel. The microcapsules are separated from each other by a surfactant, particularly lecithin. The RDT is particularly suitable for use as a drug delivery system for antiacid or antiulcer drugs, such as famotidine. The RDT is further characterized by their its fast disintegration time of about 3 second to 3 minutes.
    Type: Application
    Filed: September 5, 2003
    Publication date: March 10, 2005
    Applicant: Pharmaceutical Industry Technology and Development Center
    Inventors: Chih-Chiang Yang, Wen-Che Wang, Hui-Yu Chen