Patents Assigned to JiLin OLED Material Tech. Co., LTD.
  • Patent number: 10050213
    Abstract: The invention provides a bicarbazole derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y and Z represent a carbon atom or a nitrogen atom, and at least one of X, Y and Z represent a nitrogen atom. The invention further provides a process for preparing the compound. The invention further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: August 14, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., JILIN OLED MATERIAL TECH. CO., LTD.
    Inventors: Lifei Ma, Xiaoyu Ma, Hui Wang, Lujiang Huangfu
  • Patent number: 10032988
    Abstract: The invention discloses an anthracene-containing derivative, the production process thereof and an organic electroluminescent display device, wherein the anthracene-containing derivative has a general molecular structural formula of Formula I, wherein, R1 group is selected from an aromatic group or a fused aromatic group having a carbon atom number of 6 to 18, R2 group is selected from an amine group. By using the above described anthracene-containing derivative as a green phosphorescent host material, a green fluorescent host material, a hole injection material, or a hole transporting material in an organic electroluminescent display device, the light emitting efficiency and the light emitting brightness of the organic electroluminescent display device may be improved.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: July 24, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., JILIN OLED MATERIAL TECH CO., LTD.
    Inventors: Na Li, Xiaoyu Ma, Hui Wang, Lujiang Huangfu
  • Patent number: 9676767
    Abstract: The disclosure provides an indoloacridine-containing derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y, Z and W represent a carbon atom or a nitrogen atom, and at least one of W, X, Y and Z represent a nitrogen atom; R represents a phenyl group, a biphenylyl group, a naphthyl group or a phenanthryl group. The disclosure further provides a process for preparing the compound. The disclosure further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: June 13, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., JILIN OLED MATERIAL TECH CO., LTD.
    Inventors: Wenyu Ma, Xiaoyu Ma, Hui Wang, Na Li
  • Publication number: 20150380655
    Abstract: Provided are anthracene derivative, method for preparing the same, use thereof, and an organic light emitting device.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 31, 2015
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., JILIN OLED MATERIAL TECH CO., LTD.
    Inventors: Peng Zhang, Xiaoyu Ma, Hui Wang, Lujiang Huangfu
  • Publication number: 20150376085
    Abstract: Provided are anthracene compound, method for preparing the same and use thereof, as well as organic electroluminescent device containing the same. The anthracene compound represented by a formula: wherein R is selected from C6-C19 aryl, fused ring aryl, or substituted or unsubstituted heterocyclic aryl.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 31, 2015
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., JILIN OLED MATERIAL TECH CO., LTD.
    Inventors: Yansong LI, Xiaoyu MA, Hui WANG, Na LI
  • Patent number: 9054320
    Abstract: The invention provides a 1,2,4-triazole-based derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material having a higher luminescence efficiency. The 1,2,4-triazole-based derivative has a molecular structure of the following general formula, wherein A group represents an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The 1,2,4-triazole-based derivative mentioned in the invention can be used in organic electroluminescent device.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: June 9, 2015
    Assignees: BOE Technology Group Co., Ltd., JiLin OLED Material Tech. Co., Ltd.
    Inventors: Na Li, Yansong Li, Xiaoyu Ma, Hui Wang
  • Patent number: 8987466
    Abstract: The invention provides a silicon-containing bianthracene derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material being able to form a dense film. The silicon-containing bianthracene derivative has a molecular structure of the following general formula, wherein R group represents an aryl group having a carbon atom number of 6-14, an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The silicon-containing bianthracene derivative mentioned in the invention can be used in an organic electroluminescent device.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: March 24, 2015
    Assignees: BOE Technology Group Co., Ltd., JiLin OLED Material Tech. Co., Ltd.
    Inventors: Yinan Liang, Xiaoyu Ma, Hui Wang, Wenyu Ma
  • Publication number: 20140343293
    Abstract: The invention provides a 1,2,4-triazole-based derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material having a higher luminescence efficiency. The 1,2,4-triazole-based derivative has a molecular structure of the following general formula, wherein A group represents an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The 1,2,4-triazole-based derivative mentioned in the invention can be used in organic electroluminescent device.
    Type: Application
    Filed: January 27, 2014
    Publication date: November 20, 2014
    Applicants: JiLin OLED Material Tech. Co., LTD., BOE Technology Group Co., LTD.
    Inventors: Na Li, Yansong Li, Xiaoyu Ma, Hui Wang
  • Publication number: 20140343291
    Abstract: The invention provides a silicon-containing bianthracene derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material being able to form a dense film. The silicon-containing bianthracene derivative has a molecular structure of the following general formula, wherein R group represents an aryl group having a carbon atom number of 6-14, an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The silicon-containing bianthracene derivative mentioned in the invention can be used in an organic electroluminescent device.
    Type: Application
    Filed: January 27, 2014
    Publication date: November 20, 2014
    Applicants: JiLin OLED Material Tech. Co., LTD., BOE Technology Group Co., LTD.
    Inventors: Yinan Liang, Xiaoyu Ma, Hui Wang, Wenyu Ma