Patents by Inventor Yen-Ju Cheng

Yen-Ju Cheng 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: 20250031388
    Abstract: A capacitor includes a bottom capacitor plate including a rough upper surface with a root mean square (RMS) surface roughness of at least 1.14, a capacitor dielectric layer on the bottom capacitor plate and contacting the rough upper surface of the bottom capacitor plate, and an upper capacitor plate on the capacitor dielectric layer. A semiconductor device includes a transistor located on a substrate, a dielectric layer on the transistor, and a capacitor in the dielectric layer and including a bottom capacitor plate connected to a source region of the transistor and having a rough upper surface with a root mean square (RMS) surface roughness of at least 1.14.
    Type: Application
    Filed: July 19, 2023
    Publication date: January 23, 2025
    Inventors: I-Che Lee, Pin-Ju Chen, Wei-Gang Chiu, Yen-Chieh Huang, Kai-Wen Cheng, Huai-Ying Huang, Yu-Ming Lin
  • Publication number: 20250017105
    Abstract: A fused ring acceptor material includes a structure of following formula (I).
    Type: Application
    Filed: June 28, 2024
    Publication date: January 9, 2025
    Inventors: Yen-Ju CHENG, Yung-Jing XUE, Han-Cheng LU, Jun-Cheng HONG, Kuo-Hsiu HUANG
  • Publication number: 20190352456
    Abstract: A modified liquid crystal polymer has a chemical structural formula of Wherein each of R1, R2, R3, and R4 is selected from at least one of chain alkyl group and chain alkoxy group. The chain alkoxy group is bonded to a phenyl group by an oxygen atom of the chain alkoxy group. A degree of polymerization p and a degree of polymerization q each is a natural number greater than 1. The modified liquid crystal polymer has a melting point of 220 degrees Celsius to 300 degrees Celsius. A polymeric film using the modified liquid crystal polymer and a method for manufacturing the modified liquid crystal polymer are also provided.
    Type: Application
    Filed: July 26, 2018
    Publication date: November 21, 2019
    Inventors: SHOU-JUI HSIANG, NAN-KUN HUANG, YEN-JU CHENG
  • Patent number: 10428085
    Abstract: An asymmetric benzotrichalcogenophene compound and a polymer are provided. The asymmetric benzotrichalcogenophene compound is a heterocyclic compound having furan, thiophene, selenophene and/or tellurophene subunits. The polymer has an asymmetric benzotrichalcogenophene subunit and can be formed by polymerizing the asymmetric benzotrichalcogenophene compound and an electron-accepting compound. The polymer may be used as a semiconductor active layer material in an organic field effect transistor or a heterogeneous interface material of an organic solar cell.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: October 1, 2019
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Yen-Ju Cheng, Yu-Chieh Pao, Shi-Yen Chen
  • Publication number: 20180370986
    Abstract: An asymmetric benzotrichalcogenophene compound and a polymer are provided. The asymmetric benzotrichalcogenophene compound is a heterocyclic compound having furan, thiophene, selenophene and/or tellurophene subunits. The polymer has an asymmetric benzotrichalcogenophene subunit and can be formed by polymerizing the asymmetric benzotrichalcogenophene compound and an electron-accepting compound. The polymer may be used as a semiconductor active layer material in an organic field effect transistor or a heterogeneous interface material of an organic solar cell.
    Type: Application
    Filed: August 30, 2018
    Publication date: December 27, 2018
    Inventors: Yen-Ju CHENG, Yu-Chieh PAO, Shi-Yen CHEN
  • Patent number: 10093680
    Abstract: A synthesis method of benzotrichalcogenophene (BTC) includes using a tetrakis(triphenylphosphine)palladium (Pd(PPh3)4) catalyst and a [1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene]chloro[3-phenylallyl]palladium(II) (Pd-IPr) catalyst. The asymmetric benzotrichalcogenophene compound is a heterocyclic compound having furan, thiophene, selenophene and/or tellurophene subunits.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: October 9, 2018
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Yen-Ju Cheng, Yu-Chieh Pao, Shi-Yen Chen
  • Publication number: 20180237452
    Abstract: A synthesis method of benzotrichalcogenophene (BTC) includes using a tetrakis(triphenylphosphine)palladium (Pd(PPh3)4) catalyst and a [1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene]chloro[3-phenylallyl]palladium(II) (Pd—IPr) catalyst. The asymmetric benzotrichalcogenophene compound is a heterocyclic compound having furan, thiophene, selenophene and/or tellurophene subunits.
    Type: Application
    Filed: May 3, 2017
    Publication date: August 23, 2018
    Inventors: Yen-Ju CHENG, Yu-Chieh PAO, Shi-Yen CHEN
  • Patent number: 9303117
    Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: April 5, 2016
    Assignee: National Chiao Tung University
    Inventors: Chain-Shu Hsu, Yen-Ju Cheng, Jhong-Sian Wu, Chiu-Hsiang Chen, Huan-Hsuan Chang, Yung-Lung Chen, Sheng-Wen Cheng
  • Publication number: 20150299382
    Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.
    Type: Application
    Filed: June 29, 2015
    Publication date: October 22, 2015
    Applicant: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Chain-Shu HSU, Yen-Ju Cheng, Jhong-Sian Wu, Chiu--Hsiang Chen, Huan-Hsuan Chang, Yung-Lung Chen, Sheng-Wen Cheng
  • Publication number: 20150284504
    Abstract: A synthesis method of a heterocyclic compound is disclosed. The synthesis method includes steps of: carrying out a McMurry coupling reaction on a first compound having a carbonyl group to form a second compound, wherein the second compound includes an alkyl group which is symmetrical to a symmetrical center, and carrying out a 6?-cyclization on the second compound to form a third compound.
    Type: Application
    Filed: October 3, 2014
    Publication date: October 8, 2015
    Inventors: Yen-Ju Cheng, Sheng-Wen Cheng, De-Yang Chiou
  • Patent number: 9096716
    Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: August 4, 2015
    Assignee: National Chiao Tung University
    Inventors: Chain-Shu Hsu, Yen-Ju Cheng, Jhong-Sian Wu, Chiu-Hsiang Chen, Huan-Hsuan Chang, Yung-Lung Chen, Sheng-Wen Cheng
  • Patent number: 9085543
    Abstract: The present invention discloses an inverted organic photovoltaic cell comprising a polymerizable fullerene interlayer adapted to enhance the device performance and lifetime. The polymerizable fullerene derivative comprises a fullerene core, a bridging functional group and a polymerizable functional group. The fullerene core can be either C60 or C70, and the bridging functional group comprises a cyclic hydrocarbon or a heterocyclic ring. The polymerizable functional group comprises a thermally polymerizable functional group or a photochemically polymerizable functional group.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: July 21, 2015
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Chain-Shu Hsu, Yen-Ju Cheng, Chao-Hsiang Hsieh, Pei-Jung Li
  • Publication number: 20140163191
    Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.
    Type: Application
    Filed: November 27, 2013
    Publication date: June 12, 2014
    Applicant: Nation Chiao Tung University
    Inventors: Chian-Shu Hsu, Yen-Ju Cheng, Jhong-Sian Wu, Chiu-Hsiang Chen, Huan-Hsuan Chang, Yung-Lung Chen, Sheng-Wen Cheng
  • Patent number: 8648332
    Abstract: Alkoxy-substituted phenyltetraene nonlinear optically active compounds, films and devices that include the compounds, and methods for making and using the compounds, films, and devices.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: February 11, 2014
    Assignee: University of Washington
    Inventors: Kwan-Yue Jen, Jingdong Luo, Su Huang, Yen-Ju Cheng, Tae-Dong Kim, Zhengwei Shi, Xinghua Zhou, Brent M. Polishak, Yanqing Tian
  • Patent number: 8623993
    Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: January 7, 2014
    Assignee: National Chaio Tung University
    Inventors: Chian-Shu Hsu, Yen-Ju Cheng, Jhong-Sian Wu, Chiu-Hsiang Chen, Huan-Hsuan Chang, Yung-Lung Chen, Sheng-Wen Cheng
  • Publication number: 20130237676
    Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.
    Type: Application
    Filed: June 25, 2012
    Publication date: September 12, 2013
    Applicant: NATION CHIAO TUNG UNIVERSITY
    Inventors: Yen-Ju Cheng, Jhong-Sian Wu, Chiu-Hsiang Chen, Huan-Hsuan Chang, Yung-Lung Chen, Sheng-Wen Cheng
  • Publication number: 20120060926
    Abstract: The present invention discloses an inverted organic photovoltaic cell comprising a polymerizable fullerene interlayer adapted to enhance the device performance and lifetime. The polymerizable fullerene derivative comprises a fullerene core, a bridging functional group and a polymerizable functional group. The fullerene core can be either C60 or C70, and the bridging functional group comprises a cyclic hydrocarbon or a heterocyclic ring. The polymerizable functional group comprises a thermally polymerizable functional group or a photochemically polymerizable functional group.
    Type: Application
    Filed: March 11, 2011
    Publication date: March 15, 2012
    Applicant: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: CHAIN-SHU HSU, YEN-JU CHENG, CHAO-HSIANG HSIEH, PEI-JUNG LI
  • Patent number: 7749408
    Abstract: A composite having electro-optic activity including a chromophore compound dispersed in a host material comprising a dendronized chromophore compound, methods for making the composite, and electro-optic devices including the composite.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: July 6, 2010
    Assignee: University of Washington
    Inventors: Kwan-Yue Jen, Jingdong Luo, Tae-Dong Kim, Baoquan Chen, Jae-Wook Kang, Philip A. Sullivan, Andrew Akelaitis, Larry R. Dalton, Yen-Ju Cheng
  • Publication number: 20100029953
    Abstract: Alkoxy-substituted phenyltetraene nonlinear optically active compounds, films and devices that include the compounds, and methods for making and using the compounds, films, and devices.
    Type: Application
    Filed: May 28, 2009
    Publication date: February 4, 2010
    Applicant: WASHINGTON, UNIVERSITY OF
    Inventors: Kwan-Yue Jen, Jingdong Luo, Su Huang, Yen-Ju Cheng, Tae-Dong Kim, Zhengwei Shi, Xing-Hua Zhou, Brent M. Polishak, Yanqing Tian
  • Publication number: 20070152198
    Abstract: A composite having electro-optic activity including a chromophore compound dispersed in a host material comprising a dendronized chromophore compound, methods for making the composite, and electro-optic devices including the composite.
    Type: Application
    Filed: August 3, 2006
    Publication date: July 5, 2007
    Applicant: WASHINGTON, UNIVERSITY OF
    Inventors: Kwan-Yue Jen, Jingdong Luo, Tae-Dong Kim, Baoquan Chen, Jae-Wook Kang, Philip Sullivan, Andrew Akelaitis, Larry Dalton, Yen-Ju Cheng