Patents by Inventor Man-Kit Leung

Man-Kit Leung 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: 20160293857
    Abstract: An organic electroluminescent material, an organic electroluminescent device, a quantum dot electroluminescent unit, and a quantum dot electroluminescent device are disclosed. The quantum dot electroluminescent unit includes a plurality of electro-phosphorescent quantum dots and at least an organic electroluminescent material, and the electro-phosphorescent quantum dots disperse in the organic electroluminescent material.
    Type: Application
    Filed: April 1, 2016
    Publication date: October 6, 2016
    Inventors: Jau-Jiun HUANG, Man-Kit LEUNG, Yu-Lin CHIANG, Jiun-Haw LEE
  • Publication number: 20150255730
    Abstract: A biphenyl derivative is provided, which is shown in formula (1): wherein X represents one of the groups shown in formula (2) to formula (5): and R11 to R15, R21 to R25, R31 to R35, R41 to R45, R51 to R55, and R61 to R65 are independently selected from one of a hydrogen atom, a fluorine atom, a cyano group, a substituted or non-substituted straight-chain or branched-chain alkyl group, a substituted or non-substituted cycloalkyl group, a substituted or non-substituted straight-chain or branched-chain alkoxy group, a substituted or non-substituted straight-chain or branched-chain thioalkyl group, and a substituted or non-substituted straight-chain or branched-chain alkenyl group.
    Type: Application
    Filed: June 27, 2014
    Publication date: September 10, 2015
    Inventors: Ya-Ting Chuang, Jiun-Haw Lee, Man-Kit Leung, Tien-Lung Chiu, Chi-Feng Lin, Jau-Jiun Huang
  • Publication number: 20150243902
    Abstract: A carbazole derivative is provided.
    Type: Application
    Filed: June 20, 2014
    Publication date: August 27, 2015
    Inventors: Po-Sheng Wang, Jiun-Haw Lee, Man-Kit Leung, Hsin-Jen Chen, Yu-Hsuan Hsieh, Chi-Feng Lin, Tien-Lung Chiu
  • Publication number: 20150001723
    Abstract: A semiconductor device includes providing a workpiece including an insulating material layer disposed thereon. The insulating material layer includes a trench formed therein. A barrier layer on the sidewalls of the trench is formed using a surface modification process and a surface treatment process.
    Type: Application
    Filed: September 18, 2014
    Publication date: January 1, 2015
    Inventors: Ying-Hsueh Chang Chien, Yu-Ming Lee, Man-Kit Leung, Chi-Ming Yang
  • Patent number: 8871639
    Abstract: Semiconductor devices and methods of manufacture thereof are disclosed. In one embodiment, a method of manufacturing a semiconductor device includes providing a workpiece including an insulating material layer disposed thereon. The insulating material layer includes a trench formed therein. The method includes forming a barrier layer on the sidewalls of the trench using a surface modification process and a surface treatment process.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: October 28, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ying-Hsueh Chang Chien, Yu-Ming Lee, Man-Kit Leung, Chi-Ming Yang
  • Patent number: 8461282
    Abstract: The present invention discloses an iridium complex containing a (pentaphenyl)phenyl ligand, having the following general equation: in which G is primary ligand, R? and R? are auxiliary ligands. On the other hand, the present invention discloses a compound with a 9-[(pentaphenyl)phenyl]carbazole structure and its polymeric derivative.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: June 11, 2013
    Assignee: National Taiwan University
    Inventors: Kuo-Huang Hsieh, Man-Kit Leung, Wen-Chang Chen, Chao-Hui Kuo, Hong-Jun Chen, Hsin-Chung Ke, Cheng-Hsiu Ku
  • Publication number: 20100137461
    Abstract: The present invention discloses an iridium complex containing a (pentaphenyl)phenyl ligand, having the following general equation: in which G is primary ligand, R? and R? are auxiliary ligands. On the other hand, the present invention discloses a compound with a 9-[(pentaphenyl)phenyl]carbazole structure and its polymeric derivative.
    Type: Application
    Filed: December 2, 2009
    Publication date: June 3, 2010
    Applicant: National Taiwan University
    Inventors: Kuo-Huang Hsieh, Man-Kit Leung, Wen-Chang Chen, Chao-Hui Kuo, Hong-Jun Chen, Hsin-Chung Ke, Cheng-Hsiu Ku
  • Publication number: 20100026168
    Abstract: The present invention discloses a photo-curable hole-transport material used in a polymer light-emitting diode. The photo-curable hole-transport material comprises at least one first conjugate structure, at least one connecting structure, and at least one second conjugate structure. The first conjugate structure is a triarylamine derivative. The second conjugate structure is a carbazole derivative. The connecting structure is derived from one structure selected from the group consisting of the following or the combination thereof: urethane and urea structures.
    Type: Application
    Filed: January 21, 2009
    Publication date: February 4, 2010
    Applicant: National Taiwan University
    Inventors: Kuo-Huang Hsieh, Man-Kit Leung, Wen-Chang Chen, Cheng-Hsiu Ku, Chih-Yu Chen, Cheng-Dar Liu, Ching-Nan Chuang, Yu-Shan Cheng
  • Patent number: 7615603
    Abstract: The present invention discloses hole or electron injection polymers and prepolymers, hole or electron transport polymers and prepolymers, which comprises a plurality of conjugated or non-conjugated structures with electronic function and a plurality of connecting structures, wherein the connecting structure is used to connect different conjugated or non-conjugated structures with electronic function, and the connecting structure comprises any one or any combination of the following group: ether based group, ester based group, urethane based group, urea based group, carbonate based group, nitrogen atom based group, amide based group, and imide based group. Moreover, this invention also discloses a method for forming the mentioned charge injection or transport polymers and prepolymers.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: November 10, 2009
    Assignee: National Taiwan University
    Inventors: Kuo-Huang Hsieh, Man-Kit Leung, Chao-Hui Kuo, Li-Chung Kuo, Kuei-Hui Yang, Jiun-Haw Lee, Kang-Jyun Peng
  • Patent number: 7537884
    Abstract: The present invention discloses a method by utilizing chemical reaction or specific attractive forces (complexation or hydrogen bonding) for forming self-synthesizing conductive or conjugated polymer film and its application. First of all, at least one photoresist layer with a first functional group and a specific pattern is formed, so that the first functional group can bond a second functional group of a conductive or conjugated polymer unit, whereby a conductive or conjugated polymer film with specific pattern is formed. Furthermore, this invention can be applied for forming emitting films, especially for forming emitting layers of OLED/PLED elements.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: May 26, 2009
    Assignee: National Taiwan University
    Inventors: Kuo-Huang Hsieh, Man-Kit Leung, King-Fu Lin, Wen-Yen Chiu, Wen-Chang Chen, Lee-Yih Wang, Wen-Bin Liau, Chi-An Dai, Wei-Fang Su, Hung-Chun Chang, Hung-Ren Wang, Chao-Hui Kuo, Chi-Shin Lee, Jun-Ming Huang, Cheng-Yuan Shih
  • Publication number: 20080293945
    Abstract: The present invention discloses an iridium complex containing a (pentaphenyl)phenyl ligand, having the following general equation: in which G is primary ligand, R? and R? are auxiliary ligands. On the other hand, the present invention discloses a compound with a 9-[(pentaphenyl)phenyl]carbazole structure and its polymeric derivative.
    Type: Application
    Filed: May 22, 2007
    Publication date: November 27, 2008
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Kuo-Huang Hsieh, Man-Kit Leung, Wen-Chang Chen, Chao-Hui Kuo, Hong-Jun Chen, Hsin-Chung Ke, Cheng-Hsiu Ku
  • Patent number: 7144638
    Abstract: An organic light-emitting diode comprises an anode, an organic electroluminescent layer, a metal doped layer, and a cathode, in sequence, on a substrate; wherein the metal doped layer comprises an organic compound represented by the formula (1) doped with a metal.
    Type: Grant
    Filed: April 22, 2005
    Date of Patent: December 5, 2006
    Assignee: RiTdisplay Corporation
    Inventors: Man-Kit Leung, Kuei-Hui Yang, Chi-Chih Liao, Hung-Lin Chen, Yung-Chih Lee, Yi-Meen Chou, Tzu-Chin Tang
  • Publication number: 20060115682
    Abstract: The present invention discloses hole or electron injection polymers and prepolymers, hole or electron transport polymers and prepolymers, which comprises a plurality of conjugated or non-conjugated structures with electronic function and a plurality of connecting structures, wherein the connecting structure is used to connect different conjugated or non-conjugated structures with electronic function, and the connecting structure comprises any one or any combination of the following group: ether based group, ester based group, urethane based group, urea based group, carbonate based group, nitrogen atom based group, amide based group, and imide based group. Moreover, this invention also discloses a method for forming the mentioned charge injection or transport polymers and prepolymers.
    Type: Application
    Filed: November 30, 2005
    Publication date: June 1, 2006
    Inventors: Kuo-Huang Hsieh, Man-Kit Leung, Chao-Hui Kuo, Li-Chung Kuo, Kuei-Hui Yang, Jiun-Haw Lee, Kang-Jyun Peng
  • Publication number: 20060084009
    Abstract: The present invention discloses a method by utilizing chemical reaction or specific attractive forces (complexation or hydrogen bonding) for forming self-synthesizing conductive or conjugated polymer film and its application. First of all, at least one photoresist layer with a first functional group and a specific pattern is formed, so that the first functional group can bond a second functional group of a conductive or conjugated polymer unit, whereby a conductive or conjugated polymer film with specific pattern is formed. Furthermore, this invention can be applied for forming emitting films, especially for forming emitting layers of OLED/PLED elements.
    Type: Application
    Filed: October 20, 2004
    Publication date: April 20, 2006
    Inventors: Kuo-Huang Hsieh, Man-Kit Leung, King-Fu Lin, Wen-Yen Chiu, Wen-Chang Chen, Lee-Yih Wang, Wen-Bin Liau, Chi-An Dai, Wei-Fang Su, Hung-Chun Chang, Hung-Ren Wang, Chao-Hui Kuo, Chi-Shin Lee, Jun-Ming Huang, Cheng-Yuan Shih
  • Patent number: 7029764
    Abstract: An organic electroluminescent material of the formula: wherein R1, R2 and R3 are selected from the group consisting of hydrogen, halogen, nitryl, alkyl, cycloalkyl, alkyloxy, alkenyl, amine, aryl, polyaryl, arylalkyl, and propenyloxy, Ar3 is at least one selected from the group consisting of aryl and polyaryl and A and B are at least one selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkyloxy, alkenyl, amine, aryl, polyaryl, arylalkyl, and propenyloxy. An electroluminescent device having the organic electroluminescent material is provided.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: April 18, 2006
    Assignee: RiTdisplay Corporation
    Inventors: Hsiang Lun Hsu, Man-kit Leung, Shen-shen Wang
  • Publication number: 20050236976
    Abstract: The present invention relates to an organic electroluminescent device, comprising a first electrode, an organic luminescent layer and a second electrode which disposed over a substrate. The organic electroluminescent layer comprises compound of formula (I) compound, wherein that Ar1—Ar6 are individual hydrogen, substituted or unsubstituted C1-6 alkyl, substituted or unsubstituted C3-6 cycloalkyl, substituted or unsubstituted C3-10 alkenyl, substituted or unsubstituted C6-40 aromatic amino, substituted or unsubstituted C6-40 aromatic, substituted or unsubstituted C6-40 poly cyclic aromatic, or substituted or unsubstituted C6-40 aralkyl.
    Type: Application
    Filed: December 30, 2004
    Publication date: October 27, 2005
    Applicant: RiTdisplay Corporation
    Inventors: Man-Kit Leung, Hsien-Chang Lin, Meng-Yen Chou, Shen-Shen Wang, Kuei-Hui Yang
  • Publication number: 20050236605
    Abstract: An organic light-emitting diode comprises an anode, an organic electroluminescent layer, a metal doped layer, and a cathode, in sequence, on a substrate; wherein the metal doped layer comprises an organic compound represented by the formula (1) doped with a metal.
    Type: Application
    Filed: April 22, 2005
    Publication date: October 27, 2005
    Inventors: Man-Kit Leung, Kuei-Hui Yang, Chi-Chih Liao, Hung-Lin Chen, Yung-Chih Lee, Yi-Meen Chou, Tzu-Chin Tang
  • Patent number: 6906340
    Abstract: An organic light-emitting diode comprises an anode, an organic electroluminescent layer, a metal doped layer, and a cathode, in sequence, on a substrate; wherein the metal doped layer comprises an organic compound represented by the formula (1) doped with a metal.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: June 14, 2005
    Assignee: RiTdisplay Corporation
    Inventors: Man-Kit Leung, Kuei-Hui Yang, Chi-Chih Liao, Hung-Lin Chen, Yung-Chih Lee, Yi-Meen Chou, Tzu-Chin Tang
  • Publication number: 20040146742
    Abstract: An organic electroluminescent material of the formula: 1
    Type: Application
    Filed: January 24, 2003
    Publication date: July 29, 2004
    Inventors: Hsiang Lun Hsu, Man-Kit Leung, Shen-Shen Wang
  • Publication number: 20040124767
    Abstract: An organic light-emitting diode comprises an anode, an organic electroluminescent layer, a metal doped layer, and a cathode, in sequence, on a substrate; wherein the metal doped layer comprises an organic compound represented by the formula (1) doped with a metal.
    Type: Application
    Filed: October 23, 2003
    Publication date: July 1, 2004
    Inventors: Man-Kit Leung, Kuei-Hui Yang, Chi-Chih Liao, Hung-Lin Chen, Yung-Chih Lee, Yi-Meen Chou, Tzu-Chin Tang