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).
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Patent number: 11094905Abstract: 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: GrantFiled: April 20, 2017Date of Patent: August 17, 2021Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.Inventors: Yuji Hamada, Shuang Cheng, Xiangcheng Wang, Jinghua Niu, Zhihong Lei
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Patent number: 10686016Abstract: 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: GrantFiled: June 1, 2017Date of Patent: June 16, 2020Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zhihong Lei, Jinghua Niu, Xiangcheng Wang, Lei Lv, Shuang Cheng
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Patent number: 10497879Abstract: 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: GrantFiled: June 8, 2017Date of Patent: December 3, 2019Assignees: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zhihong Lei, Jinghua Niu, Xiangcheng Wang, Lei Lv
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Patent number: 10340314Abstract: 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: GrantFiled: February 16, 2017Date of Patent: July 2, 2019Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.Inventors: Yuji Hamada, Wanming Hua, Xiangcheng Wang, Wei He, Jinghua Niu, Zhihong Lei
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Patent number: 10177333Abstract: 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: GrantFiled: June 8, 2017Date of Patent: January 8, 2019Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Jinghua Niu, Zhihong Lei, Xiangcheng Wang, Wei He, Yuji Hamada, Chen Liu
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Patent number: 10062862Abstract: 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: GrantFiled: March 15, 2017Date of Patent: August 28, 2018Assignees: 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
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Patent number: 10050219Abstract: 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: GrantFiled: March 20, 2017Date of Patent: August 14, 2018Assignees: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zhihong Lei, Jinghua Niu, Yuji Hamada, Lei Lv
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Publication number: 20170309833Abstract: 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: ApplicationFiled: June 8, 2017Publication date: October 26, 2017Applicants: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zhihong Lei, Jinghua Niu, Xiangcheng Wang, Lei Lv
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Publication number: 20170294490Abstract: 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: ApplicationFiled: June 1, 2017Publication date: October 12, 2017Inventors: Zhihong LEI, Jinghua NIU, Xiangcheng WANG, Lei LV, Shuang CHENG
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Publication number: 20170279066Abstract: 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: ApplicationFiled: June 8, 2017Publication date: September 28, 2017Inventors: Jinghua NIU, Zhihong LEI, Xiangcheng WANG, Wei HE, Yuji HAMADA, Chen LIU
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Publication number: 20170250364Abstract: 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: ApplicationFiled: May 11, 2017Publication date: August 31, 2017Inventors: Zhihong LEI, Yuji HAMADA, Jinghua NIU, Chen LIU, Xiangcheng WANG, Wei HE
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Publication number: 20170222171Abstract: 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: ApplicationFiled: April 20, 2017Publication date: August 3, 2017Inventors: Yuji HAMADA, Shuang CHENG, Xiangcheng WANG, Jinghua NIU, Zhihong LEI
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Publication number: 20170194588Abstract: 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: ApplicationFiled: March 20, 2017Publication date: July 6, 2017Applicants: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zhihong Lei, Jinghua Niu, YUJI HAMADA, Lei LV
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Publication number: 20170186993Abstract: 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: ApplicationFiled: March 15, 2017Publication date: June 29, 2017Inventors: Yuji HAMADA, Zhihong LEI, Jinghua NIU, Xiangcheng WANG, Wei HE, Chen LIU, Qing ZHU
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Publication number: 20170187003Abstract: 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: ApplicationFiled: March 15, 2017Publication date: June 29, 2017Inventors: Zhihong LEI, Jinghua NIU, Yuji HAMADA, Chen LIU, Xiangcheng WANG, Wei HE, Yinhe LIU
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Publication number: 20170162631Abstract: 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: ApplicationFiled: February 16, 2017Publication date: June 8, 2017Inventors: Yuji HAMADA, Wanming HUA, Xiangcheng WANG, Wei HE, Jinghua NIU, Zhihong LEI