Patents by Inventor Zhihong LEI

Zhihong LEI 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).

  • Patent number: 11094905
    Abstract: An organic light-emitting display panel and an electronic device thereof are provided. The organic light-emitting display panel comprises a substrate, and a first electrode, a first light-emitting material layer, a second light-emitting material layer, and a second electrode disposed above the substrate in a preset order. The first light-emitting material layer includes at least one P-type host material and at least one N-type host, material, and a total volume percentage content of the P-type host material is more than a total volume percentage content of the N-type host material. The second light-emitting material layer includes at least one P-type host material and at least one N-type host material, and a total volume percentage content of the N-type host material is more than a total volume percentage content of the P-type host material.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: August 17, 2021
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Yuji Hamada, Shuang Cheng, Xiangcheng Wang, Jinghua Niu, Zhihong Lei
  • Patent number: 10686016
    Abstract: An organic light emitting display panel and apparatus, and a manufacturing method therefor are provided. The organic light emitting display panel includes a plurality of light emitting units, the light emitting unit includes an anode, a first auxiliary functional structure, a light emitting structure and a cathode, the anode, the first auxiliary functional structure, the light emitting structure and the cathode are successively laminated, and the first auxiliary functional structures of different light emitting units are arranged separate from one another, the anodes of different light emitting units are arranged separate from one another, and the light emitting structures of different light emitting units are arranged separate from one another.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: June 16, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhihong Lei, Jinghua Niu, Xiangcheng Wang, Lei Lv, Shuang Cheng
  • Patent number: 10497879
    Abstract: Embodiments of the present invention disclose an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel includes: a first electrode, a hole injection layer, a light-emitting layer and a second electrode that are stacked in turn; wherein, the material of the hole injection layer includes an organic material and a conductive metal oxide, or the hole injection layer is formed by stacking an organic material film layer and a conductive metal oxide film layer.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: December 3, 2019
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhihong Lei, Jinghua Niu, Xiangcheng Wang, Lei Lv
  • Patent number: 10340314
    Abstract: The present disclosure provides an OLED display panel, an electronic device, and a manufacturing method. The OLED display panel comprises a substrate, and a plurality of pixel regions formed on the substrate to emit light of different colors. A pixel region includes a first electrode, a light-emitting function layer, and a second electrode, configured facing away from the substrate. The second electrode is a light-emitting side electrode of the OLED display panel. Differences in transmittances at different wavelengths of the second electrode satisfy the following equations: |T(450 nm)?T(530 nm)|?15%, |T(610 nm)?T(530 nm)|?15%, and |T(400 nm)?T(700 nm)|?50%, where T(Xnm) is a transmittance at a wavelength of Xnm of the second electrode.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: July 2, 2019
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Yuji Hamada, Wanming Hua, Xiangcheng Wang, Wei He, Jinghua Niu, Zhihong Lei
  • Patent number: 10177333
    Abstract: Embodiments of the present disclosure disclose an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel includes: a substrate; a first electrode and a second electrode that are stacked, wherein the first electrode and the second electrode are both located on the same side of the substrate; an organic light-emitting layer, which is located between the first electrode and the second electrode; an electron transport layer, which is located between the organic light-emitting layer and the second electrode; wherein, a rare earth transitional metal is also contained at any location between the surface of the second electrode away from the organic light-emitting layer and the surface of the electron transport layer near to the organic light-emitting layer.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: January 8, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Jinghua Niu, Zhihong Lei, Xiangcheng Wang, Wei He, Yuji Hamada, Chen Liu
  • Patent number: 10062862
    Abstract: The present disclosure provides an OLED display panel, an electronic device, and a manufacturing method. The OLED display panel comprises a substrate, a first electrode, a light-emitting function layer, and a second electrode including Ag or a metal alloy containing Ag. When the second electrode is made of the metal alloy containing Ag, a content of Ag in the second electrode is more than a sum of contents of all other elements in the second electrode.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: August 28, 2018
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yuji Hamada, Zhihong Lei, Jinghua Niu, Xiangcheng Wang, Wei He, Chen Liu, Qing Zhu
  • Patent number: 10050219
    Abstract: An organic light-emitting display panel and an organic light-emitting display device are provided. The organic light-emitting display panel includes: a first electrode, a first light-emitting layer, a second light-emitting layer and a second electrode that are stacked in turn. The ratio of the hole mobility to the electron mobility of the first light-emitting layer is greater than or equal to 102, and the ratio of the electron mobility to the hole mobility of the second light-emitting layer is greater than or equal to 102.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: August 14, 2018
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhihong Lei, Jinghua Niu, Yuji Hamada, Lei Lv
  • Publication number: 20170309833
    Abstract: Embodiments of the present invention disclose an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel includes: a first electrode, a hole injection layer, a light-emitting layer and a second electrode that are stacked in turn; wherein, the material of the hole injection layer includes an organic material and a conductive metal oxide, or the hole injection layer is formed by stacking an organic material film layer and a conductive metal oxide film layer.
    Type: Application
    Filed: June 8, 2017
    Publication date: October 26, 2017
    Applicants: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhihong Lei, Jinghua Niu, Xiangcheng Wang, Lei Lv
  • Publication number: 20170294490
    Abstract: An organic light emitting display panel and apparatus, and a manufacturing method therefor are provided. The organic light emitting display panel includes a plurality of light emitting units, the light emitting unit includes an anode, a first auxiliary functional structure, a light emitting structure and a cathode, the anode, the first auxiliary functional structure, the light emitting structure and the cathode are successively laminated, and the first auxiliary functional structures of different light emitting units are arranged separate from one another, the anodes of different light emitting units are arranged separate from one another, and the light emitting structures of different light emitting units are arranged separate from one another.
    Type: Application
    Filed: June 1, 2017
    Publication date: October 12, 2017
    Inventors: Zhihong LEI, Jinghua NIU, Xiangcheng WANG, Lei LV, Shuang CHENG
  • Publication number: 20170279066
    Abstract: Embodiments of the present disclosure disclose an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel includes: a substrate; a first electrode and a second electrode that are stacked, wherein the first electrode and the second electrode are both located on the same side of the substrate; an organic light-emitting layer, which is located between the first electrode and the second electrode; an electron transport layer, which is located between the organic light-emitting layer and the second electrode; wherein, a rare earth transitional metal is also contained at any location between the surface of the second electrode away from the organic light-emitting layer and the surface of the electron transport layer near to the organic light-emitting layer.
    Type: Application
    Filed: June 8, 2017
    Publication date: September 28, 2017
    Inventors: Jinghua NIU, Zhihong LEI, Xiangcheng WANG, Wei HE, Yuji HAMADA, Chen LIU
  • Publication number: 20170250364
    Abstract: An organic light-emitting diode (OLED) display panel and an OLED display apparatus are provided. The OLED display panel comprises: a substrate; a first electrode and a second electrode disposed in a stacked configuration and on a same side of the substrate; an organic luminescent layer disposed between the first electrode and the second electrode; and an electron transport layer, disposed between the organic luminescent layer and the second electrode and including a predetermined volume percentage of element ytterbium (Yb).
    Type: Application
    Filed: May 11, 2017
    Publication date: August 31, 2017
    Inventors: Zhihong LEI, Yuji HAMADA, Jinghua NIU, Chen LIU, Xiangcheng WANG, Wei HE
  • Publication number: 20170222171
    Abstract: An organic light-emitting display panel and an electronic device thereof are provided. The organic light-emitting display panel comprises a substrate, and a first electrode, a first light-emitting material layer, a second light-emitting material layer, and a second electrode disposed above the substrate in a preset order. The first light-emitting material layer includes at least one P-type host material and at least one N-type host, material, and a total volume percentage content of the P-type host material is more than a total volume percentage content of the N-type host material. The second light-emitting material layer includes at least one P-type host material and at least one N-type host material, and a total volume percentage content of the N-type host material is more than a total volume percentage content of the P-type host material.
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Inventors: Yuji HAMADA, Shuang CHENG, Xiangcheng WANG, Jinghua NIU, Zhihong LEI
  • Publication number: 20170194588
    Abstract: An organic light-emitting display panel and an organic light-emitting display device are provided. The organic light-emitting display panel includes: a first electrode, a first light-emitting layer, a second light-emitting layer and a second electrode that are stacked in turn. The ratio of the hole mobility to the electron mobility of the first light-emitting layer is greater than or equal to 102, and the ratio of the electron mobility to the hole mobility of the second light-emitting layer is greater than or equal to 102.
    Type: Application
    Filed: March 20, 2017
    Publication date: July 6, 2017
    Applicants: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhihong Lei, Jinghua Niu, YUJI HAMADA, Lei LV
  • Publication number: 20170186993
    Abstract: The present disclosure provides an OLED display panel, an electronic device, and a manufacturing method. The OLED display panel comprises a substrate, a first electrode, a light-emitting function layer, and a second electrode including Ag or a metal alloy containing Ag. When the second electrode is made of the metal alloy containing Ag, a content of Ag in the second electrode is more than a sum of contents of all other elements in the second electrode.
    Type: Application
    Filed: March 15, 2017
    Publication date: June 29, 2017
    Inventors: Yuji HAMADA, Zhihong LEI, Jinghua NIU, Xiangcheng WANG, Wei HE, Chen LIU, Qing ZHU
  • Publication number: 20170187003
    Abstract: An organic light-emitting diode (OLED) display panel and an OLED display apparatus are provided. The OLED display panel comprises: a first electrode and a second electrode disposed in a stacked configuration, wherein at least one of the first electrode and the second electrode is a light-output-side electrode; an organic luminescent layer disposed between the first electrode and the second electrode; an electron transport layer disposed between the organic luminescent layer and the second electrode; and an optical coupling layer disposed on a surface of the light-output-side electrode far away from the organic luminescent layer. The electron transport layer contains element ytterbium (Yb) with a volume percentage equal to or less than approximately 3%.
    Type: Application
    Filed: March 15, 2017
    Publication date: June 29, 2017
    Inventors: Zhihong LEI, Jinghua NIU, Yuji HAMADA, Chen LIU, Xiangcheng WANG, Wei HE, Yinhe LIU
  • Publication number: 20170162631
    Abstract: The present disclosure provides an OLED display panel, an electronic device, and a manufacturing method. The OLED display panel comprises a substrate, and a plurality of pixel regions formed on the substrate to emit light of different colors. A pixel region includes a first electrode, a light-emitting function layer, and a second electrode, configured facing away from the substrate. The second electrode is a light-emitting side electrode of the OLED display panel. Differences in transmittances at different wavelengths of the second electrode satisfy the following equations: |T(450 nm)?T(530 nm)|?15%, |T(610 nm)?T(530 nm)|?15%, and |T(400 nm)?T(700 nm)|?50%, where T(Xnm) is a transmittance at a wavelength of Xnm of the second electrode.
    Type: Application
    Filed: February 16, 2017
    Publication date: June 8, 2017
    Inventors: Yuji HAMADA, Wanming HUA, Xiangcheng WANG, Wei HE, Jinghua NIU, Zhihong LEI