Patents by Inventor Heming Zhang

Heming Zhang 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: 20240196746
    Abstract: The present disclosure relates to an organic compound, an organic electroluminescent device using the same, and an electronic apparatus. The organic compound has a structure obtained by fusing a formula (1) with one or two Ar groups. The Ar group is selected from the group consisting of groups shown in formulae (2-1) to (2-5). The organic compound can be used in an organic electroluminescent device and can improve the performance of the organic electroluminescent device.
    Type: Application
    Filed: March 15, 2022
    Publication date: June 13, 2024
    Inventors: Qiqi NIE, Youngkook KIM, Heming ZHANG
  • Publication number: 20240023428
    Abstract: The present disclosure relates to the technical field of organic materials, and provides an organic electroluminescent material, an electronic element and an electronic device. The organic electroluminescent material has a structure as represented by Formula I. The organic electroluminescent material of the present disclosure is used in an organic electroluminescent device, and can effectively improve the performance of the device.
    Type: Application
    Filed: December 22, 2021
    Publication date: January 18, 2024
    Inventors: Wenqiang LIU, Youngkook KIM, Yingwen LI, Heming ZHANG
  • Publication number: 20230397493
    Abstract: The present disclosure provides an organic electroluminescent device and an electronic apparatus. The organic electroluminescent device includes a cathode, an anode, and an organic layer. The organic layer includes an organic luminescent layer including a first compound and a second compound; the first compound is selected from compounds represented by a formula 1; and the second compound is selected from compounds represented by a formula 2.
    Type: Application
    Filed: February 14, 2022
    Publication date: December 7, 2023
    Inventors: Tiantian MA, Kongyan ZHANG, Heming ZHANG
  • Publication number: 20230223408
    Abstract: Provided are a CMOS structure, and fabrication methods of a FinFET CMOS, an FD CMOS and a GAA CMOS. The CMOS structure includes an nMOS and a pMOS, The nMOS includes a first channel region and a first gate electrode formed on a semiconductor substrate, and the pMOS includes a second channel region and a second gate electrode formed on the semiconductor substrate, where the first channel region and the second channel region are formed of semiconductor materials with the same conductivity type, and the first gate electrode and the second gate electrode are formed of the conductive materials with the same work function. This CMOS structure reduces the processing steps for fabricating the CMOS, thereby reducing the process complexity and the production cost, which is beneficial for improving the performance and reliability of CMOS and its integrated circuits.
    Type: Application
    Filed: March 17, 2023
    Publication date: July 13, 2023
    Inventors: Huiyong HU, Liming WANG, Bin SHU, Bin WANG, Ningning ZHANG, Tian MIAO, Jian ZHANG, Lingyao MENG, Maolong YANG, Xinlong SHI, Heming ZHANG
  • Patent number: 11113507
    Abstract: One embodiment provides a method comprising identifying a salient part of an object in an input image based on processing of a region of interest (RoI) in the input image at an electronic device. The method further comprises determining an estimated full appearance of the object in the input image based on the salient part and a relationship between the salient part and the object. The electronic device is operated based on the estimated full appearance of the object.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: September 7, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Heming Zhang, Xiaolong Wang, Jingwen Zhu
  • Patent number: 10723947
    Abstract: Provided is a liquid crystal composition, comprising: one or more compounds of general formula I accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula II accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula III accounting for 1-20% of the total weight of the liquid crystal composition; and one or more compounds of general formula IV accounting for 30-80% of the total weight of the liquid crystal composition. The liquid crystal composition has at least one of the following properties: a large specific resistance, a high voltage holding ratio, a suitable optical anisotropy, a large dielectric anisotropy, a small viscosity, a low threshold voltage, etc., and is also green and environmentally friendly.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: July 28, 2020
    Assignee: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yunyun Liu, Wenming Han, Wenquan Ding, Pengfei Li, Haibin Xu, Lifang Yao, Di He, Wenyang Ma, Heming Zhang, Junqiang Zhang
  • Publication number: 20200048554
    Abstract: The present invention provides a liquid crystal composition, comprising, 14-30% of one or more compounds of general Formula I, 8-30% of one or more compounds of general Formula II, 13-58% of one or more compounds of general Formula III, and 20-65% of one or more compounds of general Formula IV, on the basis of the total weight of the liquid crystal composition. The liquid crystal composition of the present invention has a higher retardation, a higher transmittance, a larger optical anisotropy, a proper clearing point, a lower rotational viscosity and a good low-temperature storage stability, and is applicable to liquid crystal display devices to meet the rapid response required by a liquid crystal display, and ensure good display of the liquid crystal display in a harsh environment.
    Type: Application
    Filed: October 27, 2017
    Publication date: February 13, 2020
    Applicant: Jiangsu Hecheng Display Technology Co., Ltd.
    Inventors: Di He, Wenming Han, Wenquan Ding, Haibin Xu, Heming Zhang, Junqiang Zhang, Yafei Yang, Yunyun Liu, Li Wang, Liwei Wang
  • Patent number: 10508237
    Abstract: Provided is a liquid crystal composition, comprising: 1-30% of one or more compounds of general formula I; 1-50% of one or more compounds of general formula II; 1-20% of one or more compounds of general formula III; 20-70% of one or more compounds of general formula IV; and 1-30% of one or more compounds of general formula V. The liquid crystal composition has properties such as a large maximum absolute transmittance, a high voltage holding ratio, better anti-UV properties, and high temperature reliability, and has a suitable optical anisotropy, a suitable dielectric anisotropy, and a relatively high clearing point, and is environmentally friendly.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: December 17, 2019
    Assignee: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Wenyang Ma, Wenming Han, Haibin Xu, Wenquan Ding, Pengfei Li, Yunyun Liu, Di He, Lifang Yao, Heming Zhang
  • Publication number: 20190362132
    Abstract: One embodiment provides a method comprising identifying a salient part of an object in an input image based on processing of a region of interest (RoI) in the input image at an electronic device. The method further comprises determining an estimated full appearance of the object in the input image based on the salient part and a relationship between the salient part and the object. The electronic device is operated based on the estimated full appearance of the object.
    Type: Application
    Filed: May 22, 2018
    Publication date: November 28, 2019
    Inventors: Heming Zhang, Xiaolong Wang, Jingwen Zhu
  • Patent number: 10457869
    Abstract: A liquid crystal composition comprises a compound of general formula I serving as a first component; a compound of general formula II-1 and/or general formula II-2 serving as a second component; a compound of general formula III serving as a third component; a compound of general formula IV serving as a fourth component; a compound of general formula V serving as a fifth component; and a compound of general formula VI serving as a sixth component. The liquid crystal composition has at least one characteristic among the characteristics of a large dielectric anisotropy, a large optical anisotropy, a high voltage holding ratio and a low threshold voltage and the like, and is suitable to be used in a liquid crystal display device. Additionally, a liquid crystal display device comprising the liquid crystal composition is also provided.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: October 29, 2019
    Assignee: Jiangsu Hecheng Display Technology Co., Ltd.
    Inventors: Huijuan Dai, Wenming Han, Wenquan Ding, Pengfei Li, Haibin Xu, Di He, Yunyun Liu, Lifang Yao, Wenyang Ma, Dingfu Ma, Heming Zhang
  • Publication number: 20190270934
    Abstract: A liquid crystal composition having a negative dielectric anisotropy and a liquid crystal display device comprising the same. The liquid crystal composition comprises: a first component comprising one or more compounds of formula I; a second component comprising two or more than two compounds of formula II; and a third component comprising one or more compounds of formula III.
    Type: Application
    Filed: July 19, 2017
    Publication date: September 5, 2019
    Applicant: Jiangsu Hecheng Display Technology Co., Ltd.
    Inventors: Heming ZHANG, Wenquan DING, Pengfei LI, Wenming HAN, Haibin XU, Di HE
  • Publication number: 20180119011
    Abstract: Provided is a liquid crystal composition, comprising: 1-30% of one or more compounds of general formula I; 1-50% of one or more compounds of general formula II; 1-20% of one or more compounds of general formula III; 20-70% of one or more compounds of general formula IV; and 1-30% of one or more compounds of general formula V. The liquid crystal composition has properties such as a large maximum absolute transmittance, a high voltage holding ratio, better anti-UV properties, and high temperature reliability, and has a suitable optical anisotropy, a suitable dielectric anisotropy, and a relatively high clearing point, and is environmentally friendly.
    Type: Application
    Filed: April 21, 2016
    Publication date: May 3, 2018
    Applicant: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Wenyang MA, Wenming HAN, Haibin XU, Wenquan DING, Pengfei LI, Yunyun LIU, Di HE, Lifang YAO, Heming ZHANG
  • Publication number: 20180105747
    Abstract: Provided is a liquid crystal composition, comprising: one or more compounds of general formula I accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula II accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula III accounting for 1-20% of the total weight of the liquid crystal composition; and one or more compounds of general formula IV accounting for 30-80% of the total weight of the liquid crystal composition. The liquid crystal composition has at least one of the following properties: a large specific resistance, a high voltage holding ratio, a suitable optical anisotropy, a large dielectric anisotropy, a small viscosity, a low threshold voltage, etc., and is also green and environmentally friendly.
    Type: Application
    Filed: April 21, 2016
    Publication date: April 19, 2018
    Applicant: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yunyun LIU, Wenming HAN, Wenquan DING, Pengfei LI, Haibin XU, Lifang YAO, Di HE, Wenyang MA, Heming ZHANG, Junqiang ZHANG
  • Publication number: 20180037818
    Abstract: A liquid crystal composition comprises a compound of general formula I serving as a first component; a compound of general formula II-1 and/or general formula II-2 serving as a second component; a compound of general formula III serving as a third component; a compound of general formula IV serving as a fourth component; a compound of general formula V serving as a fifth component; and a compound of general formula VI serving as a sixth component. The liquid crystal composition has at least one characteristic among the characteristics of a large dielectric anisotropy, a large optical anisotropy, a high voltage holding ratio and a low threshold voltage and the like, and is suitable to be used in a liquid crystal display device. Additionally, a liquid crystal display device comprising the liquid crystal composition is also provided.
    Type: Application
    Filed: April 21, 2016
    Publication date: February 8, 2018
    Inventors: HUIJUAN DAI, WENMING HAN, WENQUAN DING, PENGFEI LI, HAIBIN XU, DI HE, YUNYUN LIU, LIFANG YAO, WENYANG MA, DINGFU MA, HEMING ZHANG
  • Publication number: 20130171976
    Abstract: A method for performing message control through a multimedia player includes: detecting whether a mobile phone associated to the multimedia player sends information indicating existence of at least one incoming message; and when it is detected that the mobile phone associated to the multimedia player sends the information indicating the existence of the at least one incoming message, triggering the multimedia player to provide a user with a user interface, allowing the user to read the incoming message through the multimedia player. An associated apparatus is also provided. For example, the apparatus may include a portion of the multimedia player, such as a control circuit of the multimedia player. In another example, the apparatus may include the whole of the multimedia player. In particular, the multimedia player can be one or a combination of an optical disc player, a set top box (STB), a television (TV), and/or a TV receiver.
    Type: Application
    Filed: January 4, 2012
    Publication date: July 4, 2013
    Inventor: Heming Zhang