Patents by Inventor Chien-Hong Cheng

Chien-Hong 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: 20220209129
    Abstract: Provided are an aromatic compound represented by Chemical Formula 1 and an electroluminescent device including the same. In Chemical Formula 1, R1, R2, R3, Ar1, and Ar2 are the same as described in the detailed description.
    Type: Application
    Filed: February 1, 2021
    Publication date: June 30, 2022
    Applicant: National Tsing Hua University
    Inventors: Chien-Hong Cheng, Yi-Kuan Chen, Jayakumar Jayachandran
  • Patent number: 10355226
    Abstract: The present disclosure relates to a boron-containing compound including a structure of Formula (I), and the use of the compound as a dopant in an emitting layer of an organic light emitting diode. The present disclosure also relates to an emitting layer of an organic light emitting diode and an organic light emitting diode device.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: July 16, 2019
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Tien-Lin Wu, Chih-Chun Lin, Rai-Shung Liu, Chien-Hong Cheng
  • Publication number: 20190031591
    Abstract: A method for preparing a multi-substituted acrylic acid compound includes steps as follow. A reaction solution is provided, wherein the reaction solution includes an organometallic reagent, a nickel-containing metal catalyst, a catalyst ligand, a first solvent, and the organometallic reagent is a Grignard reagent or a Gilman reagent. An addition step is conducted, wherein an alkyne compound is mixed with the reaction solution so as to undergo an addition reaction, thus an intermediate solution is obtained. A substitution step is conducted, wherein a carbon dioxide is introduced into the intermediate solution so as to obtain the multi-substituted acrylic acid compound.
    Type: Application
    Filed: November 7, 2017
    Publication date: January 31, 2019
    Inventors: Chien-Hong CHENG, Chen-Hsun HUNG, Yu-Che CHANG
  • Patent number: 9893300
    Abstract: A phenanthroimidazole compound represented by chemical formula 1 and an organic light-emitting diode including the same are provided. In chemical formula 1, R1, R2, and m are the same as described in the specification.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: February 13, 2018
    Assignee: National Tsing Hua University
    Inventors: Chien-Hong Cheng, Ssu-Yu Liao
  • Publication number: 20180013064
    Abstract: The present disclosure relates to a boron-containing compound including a structure of Formula (I), and the use of the compound as a dopant in an emitting layer of an organic light emitting diode. The present disclosure also relates to an emitting layer of an organic light emitting diode and an organic light emitting diode device.
    Type: Application
    Filed: November 3, 2016
    Publication date: January 11, 2018
    Inventors: Tien-Lin WU, Chih-Chun LIN, Rai-Shung LIU, Chien-Hong CHENG
  • Patent number: 9853221
    Abstract: The present disclosure relates to a compound including a structure of Formula (I), and the use of the compound as a dopant in an emitting layer of an organic light emitting diode. The present disclosure also relates to an emitting layer of an organic light emitting diode and an organic light emitting diode device.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: December 26, 2017
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Chien-Hong Cheng, Pachaiyappan Rajamalli, Natarajan Senthilkumar, Parthasarathy Gandeepan, Min-Hsien Chen
  • Publication number: 20170317292
    Abstract: The present disclosure relates to a compound including a structure of Formula (I), and the use of the compound as a dopant in an emitting layer of an organic light emitting diode. The present disclosure also relates to an emitting layer of an organic light emitting diode and an organic light emitting diode device.
    Type: Application
    Filed: August 10, 2016
    Publication date: November 2, 2017
    Inventors: Chien-Hong CHENG, Pachaiyappan RAJAMALLI, Natarajan SENTHILKUMAR, Parthasarathy GANDEEPAN, Min-Hsien CHEN
  • Publication number: 20170244034
    Abstract: An aromatic compound represented by chemical formula 1 and an organic light-emitting diode including the same are provided. In chemical formula 1, A, Ar2, R1, R2, and m are as described in the embodiments.
    Type: Application
    Filed: March 28, 2016
    Publication date: August 24, 2017
    Inventors: Chien-Hong Cheng, Yi-Hsiang Chen, I-Ching Wu
  • Patent number: 9741969
    Abstract: A carrier generation material is provided, which has a chemical structure of: wherein R1 is hydrogen or alkyl group; each of R2 is independently hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group; each of R3 is independently hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group; R4 is hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group; R5 is hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group; R6 is ?O, ?NH, or malononitrile group, and R7 is hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: August 22, 2017
    Assignee: National Tsing Hua University
    Inventors: Chien-Hong Cheng, Wei-Ting Hsieh, Chen-Hsun Hung, Min-Jie Huang, Cheng-Chang Lai, Chuang-Yi Liao
  • Patent number: 9657019
    Abstract: A 1,9-diazaphenalene derivative is represented by where R, R1, R2, R3, Y1, and Y2 are as defined in the specification and claims. The 1,9-diazaphenalene derivative may emit fluorescence after being excited, and is thus suitable for use as a fluorescent material for an organic light emitting diode. A method for preparing the 1,9-diazaphenalene derivative is also disclosed.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: May 23, 2017
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Chien-Hong Cheng, Jayachandran Jayakumar, Min-Hsien Chen
  • Patent number: 9590181
    Abstract: Triptycene derivatives having symmetric or asymmetric substituents are provided. The triptycene derivatives of the present invention may be applied in phosphorescent lighting devices ranging from deep blue to red and may be applied as a host material, an electron transporting material or a hole transporting material. An OLED device is also herein disclosed.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: March 7, 2017
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Chien-Hong Cheng, Ho-Hsiu Chou, Cheng-Chang Lai
  • Publication number: 20170062771
    Abstract: A carrier generation material is provided, which has a chemical structure of: wherein R1 is hydrogen or alkyl group; each of R2 is independently hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group; each of R3 is independently hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group; R4 is hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group; R5 is hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group; R6 is ?O, ?NH, or malononitrile group, and R7 is hydrogen, halogen, —CN, —CF3, —NO2, or alkyl group.
    Type: Application
    Filed: September 21, 2015
    Publication date: March 2, 2017
    Inventors: Chien-Hong Cheng, Wei-Ting Hsieh, Chen-Hsun Hung, Min-Jie Huang, Cheng-Chang Lai, Chuang-Yi Liao
  • Publication number: 20170054094
    Abstract: This invention provides a transition metal carbene complexes and the electroluminescent application thereof. Through employing different N?N heteroleptic ligand, the transition metal carbene complex can display wide-range color tuning ability from deep blue to red. The mentioned transition metal carbene complex can be applied in luminescent device, and the luminescent device can display wide-range color tuning ability with high luminescent efficiency while employing different N?N heteroleptic ligand in the transition metal carbene comlex.
    Type: Application
    Filed: November 8, 2016
    Publication date: February 23, 2017
    Inventors: CHIEN-HONG CHENG, KUN-YI LU, YU-HAN OU YANG, CHENG-HAN HSIEH
  • Patent number: 9518217
    Abstract: This invention provides transition metal carbene complexes and the electroluminescent application thereof. Through employing different N^N heteroleptic ligand, as the following, the transition metal carbene complex can display wide-range color tuning ability from deep blue to red. The mentioned transition metal carbene complex can be applied in luminescent device, and the luminescent device can display wide-range color tuning ability with high luminescent efficiency while employing different N^N heteroleptic ligand in the transition metal carbene complex.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: December 13, 2016
    Assignee: E INK HOLDINGS INC.
    Inventors: Chien-Hong Cheng, Kun-Yi Lu, Yu-Han Ou Yang, Cheng-Han Hsieh
  • Patent number: 9496500
    Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure as represented as follows: wherein, R1 is independently the same or different C1-6 alkyl, and R2 is independently the same or different hydrogen, halogen, cyano, hydroxy, C1-8 alkyl group, C1-8 alkoxy group, C5-10 aryl, or C2-8 heteroaryl group.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: November 15, 2016
    Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITY
    Inventors: Heh-Lung Huang, Cheng-An Wu, Chien-Hong Cheng
  • Publication number: 20160329504
    Abstract: Aromatic derivatives having an electron donating group and an electron accepting group at each end are provided. The aromatic derivatives of the present invention can emit blue or green light and may function as a host material or a dopant material. An OLED device using the aromatic derivatives is also herein disclosed.
    Type: Application
    Filed: September 10, 2015
    Publication date: November 10, 2016
    Inventors: Chien-Hong CHENG, Chih-Chun LIN, Yi-Ching WU
  • Publication number: 20160185781
    Abstract: A 1,9-diazaphenalene derivative is represented by where R, R1, R2, R3, Y1, and Y2 are as defined in the specification and claims. The 1,9-diazaphenalene derivative may emit fluorescence after being excited, and is thus suitable for use as a fluorescent material for an organic light emitting diode. A method for preparing the 1,9-diazaphenalene derivative is also disclosed.
    Type: Application
    Filed: April 10, 2015
    Publication date: June 30, 2016
    Applicant: National Tsing Hua University
    Inventors: Chien-Hong CHENG, Jayachandran JAYAKUMAR, Min-Hsien CHEN
  • Patent number: 9356244
    Abstract: An aminoferrocene derivative is represented by the formula (I): wherein Ar1 and Ar2 independently represent a substituted or unsubstituted C6-C10 aryl group. The aminoferrocene derivative is useful for forming a p-type carrier generation layer of a tandem OLED so that the tandem OLED has superior luminous efficiencies in terms of maximum luminance, maximum external quantum efficiency, maximum current efficiency, etc.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: May 31, 2016
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Chien-Hong Cheng, Cheng-Chang Lai, Yu-Wei Chang, Chuang-Yi Liao, Min-Jie Huang
  • Patent number: 9184396
    Abstract: A 6H-indeno[2,1-b]quinoline derivative has a structure of formula (I). Each of Ar1 and Ar2 is a member selected from the group consisting of a substituted or non-substituted aryl group and a substituted or non-substituted heteroaryl group and R1 to R9 are substituents. The 6H-indeno[2,1-b]quinoline derivative of the present invention is provided with thermal stability. Chemical compounds of the present invention are adequate for the materials of the light-emitting layer of an OLED device with high device performance.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: November 10, 2015
    Assignee: National Tsing Hua University
    Inventors: Chien-Hong Cheng, Chin-Hsien Chen, Lun-Chia Hsu, Yu-Wei Chang, Ching-Lin Chan
  • Patent number: 9178164
    Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented below: wherein, R1 are independently a hydrogen, or C1-8 alkyl; and R2 is a hydrogen, hydroxy, or C1-8 alkoxy. The organic compounds have a high triplet energy (tEg) gap and apt to transmit the energy to a guest emitter.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: November 3, 2015
    Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITY
    Inventors: Heh-Lung Huang, Cheng-An Wu, Chien-Hong Cheng