Patents by Inventor Zhengliang Li

Zhengliang Li 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: 20240128327
    Abstract: The present disclosure has disclosed a semiconductor material, light-emitting device, display panel and display device. The semiconductor material comprises: at least two of an oxide of a first element, an oxide of a second element, an oxide of a third element, an oxide of a fourth element and a compound of fifth element, and comprises at least the oxide of the first element and the compound of the fifth element; the first element comprises at least one of In, Zn, Sn, Cd, Tl and Pb; the second element comprises at least one of Ta, Ga, W, Ba, V, Hf and Nb; the third element comprises at least one of Sn, Zr, Cr and Si; the fourth element comprises at least one of Zn, Al, Sn, Ta, Hf, Zr and Ti; and the compound of the fifth element comprises MxA.
    Type: Application
    Filed: February 17, 2022
    Publication date: April 18, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai YUAN, Hehe HU, Fengjuan LIU, Ce NING, Zhengliang LI
  • Publication number: 20240097042
    Abstract: At least one embodiment of the present disclosure provides an oxide thin film transistor, a display device, and a preparation method of the oxide thin film transistor, and the oxide thin film transistor includes a base substrate; an oxide semiconductor layer provided on the base substrate, and an insulating layer provided on a side of the oxide semiconductor layer away from the base substrate; in which the insulating layer is made of oxide; the insulating layer includes a first insulating layer and a second insulating layer which are stacked; a density of the second insulating layer is greater than a density of the first insulating layer; and the second insulating layer is farther away from the base substrate than the first insulating layer.
    Type: Application
    Filed: June 25, 2021
    Publication date: March 21, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lizhong WANG, Guangcai YUAN, Ce NING, Nianqi YAO, Hehe HU, Liping LEI, Dongfang WANG, Dapeng XUE, Shuilang DONG, Zhengliang LI
  • Publication number: 20230122965
    Abstract: A display substrate includes: a base substrate; a metal light-shielding layer disposed on the base substrate; a plurality of pixel units disposed on the base substrate; a plurality of first thin film transistors disposed on the metal light-shielding layer and configured to drive the pixel units; a plurality of photodiodes disposed on the metal light-shielding layer and configured to convert light emitted from the pixel units into photocurrents, each of the photodiodes including a first electrode; a plurality of second thin film transistors disposed on the metal light-shielding layer and configured to receive the photocurrents, so that light emission of the pixel units are compensated according to the photocurrents. Output terminals of the first thin film transistors are electrically connected to the metal light-shielding layer, and a gate of the first thin film transistor is electrically connected to the first electrode. Further disclosed are a display panel and a display substrate manufacturing method.
    Type: Application
    Filed: June 3, 2021
    Publication date: April 20, 2023
    Inventors: Jiayu HE, Ce NING, Zhengliang LI, Hehe HU, Jie HUANG, Nianqi YAO
  • Publication number: 20230091604
    Abstract: The present disclosure relates to the field of display technologies, and in particular to a thin film transistor and a method for manufacturing the same, an array substrate and a display device. An active layer of the thin film transistor includes at least two metal oxide semi-conductor layers, the at least two metal oxide semi-conductor layers include a channel layer and a first protection layer, and metals in the channel layer include tin, and at least one of indium, gallium and zinc. The first protection layer includes praseodymium used to absorb photo-generated electrons from at least one of the channel layer and the first protection layer which is under light irradiation and reduce a photo-generated current caused by the light irradiation.
    Type: Application
    Filed: January 28, 2021
    Publication date: March 23, 2023
    Inventors: Jie Huang, Jiayu He, Ce Ning, Zhengliang Li, Hehe Hu, Fengjuan Liu, Nianqi Yao, Kun Zhao, Tianmin Zhou, Jiushi Wang, Zhongpeng Tian
  • Publication number: 20230060645
    Abstract: A metal oxide thin film transistor is provided and includes a gate, a gate insulating layer, an active layer and a source-drain metal layer stacked on a side of a backplane, the active layer and the gate are provided on both sides of the gate insulating layer, the source-drain metal layer is provided on a side of the active layer away from the backplane, the active layer includes: a first metal oxide semiconductor layer provided on a side of the gate insulating layer away from the gate; a second metal oxide semiconductor layer provided on a surface of the first metal oxide semiconductor layer away from the gate.
    Type: Application
    Filed: May 27, 2021
    Publication date: March 2, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Jiayu HE, Ce NING, Zhengliang LI, Hehe HU, Jie HUANG, Kun ZHAO, Nianqi YAO
  • Publication number: 20230036385
    Abstract: The disclosure provides a thin-film transistor, a manufacturing method thereof, an array substrate and a display panel, and belongs to the technical field of thin-film transistor devices. The thin-film transistor includes a base substrate, an active layer on the base substrate including a plurality of semiconductor nanowires, and a plurality of guiding projections on the base substrate which extend along a first direction and are arranged at intervals and each of which includes two side walls extending along the first direction, and the semiconductor nanowire extends along a side wall of the guiding projection. In the thin-film transistor, since the semiconductor nanowires are used as the active layer, mobility and concentration of carriers in the thin-film transistor can be effectively increased and therefore performance of the thin-film transistor can be improved. A length of the semiconductor nanowire is not limited, and a size of the thin-film transistor is not limited.
    Type: Application
    Filed: June 24, 2021
    Publication date: February 2, 2023
    Inventors: Jiayu HE, Ce NING, Zhengliang LI, Hehe HU, Jie HUANG, Nianqi YAO, Kun ZHAO, Xue LIU, Zhi WANG, Feng GUAN
  • Publication number: 20230015871
    Abstract: A thin film transistor, a manufacturing method thereof, an array substrate and an electronic device arc provided. The thin film transistor includes an active layer including multiple oxide layers which includes a channel layer, a transition layer and a first barrier layer, the channel layer is an layer with a highest carrier mobility, the channel layer is a crystalline or amorphous oxide layer, the transition layer is in direct contact with the channel layer, the first barrier layer is an outermost oxide layer, the first barrier layer and the transition layer are both crystalline oxide layers; a crystallization degree of the first barrier layer and a crystallization degree of the transition layer are greater than a crystallization degree of the channel layer, and a band gap of the first barrier layer and a band gap of the transition layer are larger than a band gap of the channel layer.
    Type: Application
    Filed: May 27, 2021
    Publication date: January 19, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Jie Huang, Ce Ning, Zhengliang Li, Hehe Hu, Jiayu He, Nianqi Yao, Feng Qu, Xiaochun Xu
  • Publication number: 20230006070
    Abstract: A semiconductor substrate manufacturing method and a semiconductor substrate. The manufacturing method includes: forming a first semiconductor layer on the base substrate at a first temperature with a first oxide semiconductor material; forming the second semiconductor layer directly on the first semiconductor layer with a second oxide semiconductor material; and performing a patterning process such that the first semiconductor layer and the second semiconductor layer are respectively patterned into a seed layer and a first channel layer. Both the first oxide semiconductor material and the second oxide semiconductor material are capable of forming crystalline phases at a second temperature, the second temperature is less than or equal to 40° C., and the first temperature is greater than or equal to 100° C.
    Type: Application
    Filed: May 27, 2021
    Publication date: January 5, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Jie Huang, Ce Ning, Zhengliang Li, Hehe Hu, Jiayu He, Nianqi Yao, Kun Zhao, Feng Qu, Xiaochun Xu
  • Patent number: 11508786
    Abstract: The disclosure provides a display backplane, a method of manufacturing the same, and a display device using the same. The display backplane includes a substrate; a thin film transistor structure layer disposed on one side of the substrate and including thin film transistors, a gate insulating layer, and an interlayer dielectric layer, where an etching rate of the interlayer dielectric layer carried out under an HF atmosphere condition is less than 2 ?/S; and photosensitive devices spaced apart from the thin film transistor structure layer and disposed on one side of the thin film transistor structure layer away from the substrate. The interlayer dielectric layer has a high compactness, and can effectively block H from entering the active layer of the thin film transistor to conductorize the active layer, thus guaranteeing good optical characteristics of the thin film transistor while carrying out optical compensation.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: November 22, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Jiayu He, Xue Liu, Zhengliang Li
  • Publication number: 20220352283
    Abstract: An organic electroluminescent display substrate is provided, which includes a base substrate, and a light-emitting unit and a light-sensing unit arranged on the base substrate, wherein the light-sensing unit is arranged on a light-emitting side of the light-emitting unit, and configured for sensing an intensity of light emitted from the light-emitting unit; a first planarization layer is arranged between the light-sensing unit and the light-emitting unit; the light-sensing unit comprises a first thin film transistor and a photosensitive sensor arranged sequentially in that order in a direction away from the base substrate, and a second planarization layer is arranged between the photosensitive sensor and the first thin film transistor. A display panel, a display device and a method for manufacturing the organic electroluminescent display substrate are further provided.
    Type: Application
    Filed: November 13, 2020
    Publication date: November 3, 2022
    Inventors: Jiayu HE, Ce NING, Zhengliang LI, Hehe HU, Jie HUANG, Nianqi YAO, Xue LIU
  • Publication number: 20220344517
    Abstract: A thin film transistor includes a gate electrode, an active layer, a gate insulating layer located between the gate electrode and the active layer, and a source electrode and a drain electrode electrically connected to the active layer. The active layer includes a channel layer and at least one channel protection layer; a material of each of the channel layer and the at least one channel protection layer is a metal oxide semiconductor material. The at least one channel protection layer is a crystallizing layer, and metal elements of the at least one channel protection layer include non-rare earth metal elements including In, Ga, Zn and Sn.
    Type: Application
    Filed: April 30, 2021
    Publication date: October 27, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Jie Huang, Zhengliang Li, Ce Ning, Hehe Hu, Nianqi Yao, Kun Zhao, Fengjuan Liu, Tianmin Zhou, Liping Lei
  • Patent number: 11446661
    Abstract: A microfluidic channel and a preparation method and an operation method thereof. The microfluidic channel includes: a channel structure, including a channel for a liquid sample to flow through and a channel wall surrounding the channel. The channel wall includes an electrolyte layer made of an electrolyte material; and a control electrode layer, at a side of the electrolyte layer away from the channel. The control electrode layer overlaps with the electrolyte layer with respect to the channel.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: September 20, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Xiaochen Ma, Guangcai Yuan, Ce Ning, Zhengliang Li
  • Publication number: 20220278162
    Abstract: An array substrate includes a substrate, the array substrate includes a display region and a detection region. And the detection region includes a thin film transistor located on the substrate and a photodiode located on one side of the thin film transistor away from the substrate, and the array substrate further includes a first inorganic protective layer, an organic protective layer and a second inorganic protective layer located between the thin film transistor and the photodiode. And the first inorganic protective layer, the organic protective layer and the second inorganic protective layer are stacked in sequence in a direction away from the substrate, and an orthographic projection of the photodiode on the substrate is within the range of the orthographic projection of the organic protective layer on the substrate.
    Type: Application
    Filed: August 24, 2021
    Publication date: September 1, 2022
    Inventors: Jiayu HE, Ce NING, Zhengliang LI, Hehe HU, Jie HUANG, Nianqi YAO, Kun ZHAO
  • Publication number: 20220223745
    Abstract: A thin film transistor, a manufacturing method thereof, a display substrate, and a display device are provided. The thin film transistor includes: a substrate, an active layer, a gate, a source and a drain. The active layer is arranged on the substrate and formed as a grid, including silicon nanowires extending along a first direction, the active layer includes source and drain regions oppositely arranged along the first direction, and a channel region located therebetween. The gate is arranged on the substrate, and an orthographic projection of the gate onto the substrate overlaps with orthographic projections for silicon nanowires in the channel region onto the substrate. The source and drain are arranged on the substrate, the source contacts silicon nanowires in the source region, and the drain contacts silicon nanowires in the drain region.
    Type: Application
    Filed: May 18, 2021
    Publication date: July 14, 2022
    Inventors: Jiayu HE, Ce NING, Zhengliang LI, Hehe HU, Jie HUANG, Nianqi YAO, Zhi WANG, Feng GUAN
  • Publication number: 20220223773
    Abstract: Disclosed are a light-emitting substrate and a display device. In the light-emitting substrate, a first pad of a light-emitting area includes a first metal layer located above a base substrate and a second metal layer located on a side, facing away from the base substrate, of the first metal layer. A material of the second metal layer includes copper-nickel-titanium alloy, and a quantity of nickel atoms and/or titanium atoms contained per unit area in a cross section, farther from the base substrate, of the second metal layer is greater than a quantity of nickel atoms and/or titanium atoms contained per unit area in another cross section, closer to the base substrate, of the second metal layer.
    Type: Application
    Filed: September 2, 2021
    Publication date: July 14, 2022
    Inventors: Song LIU, Zhengliang LI, Kun ZHAO, Feifei LI, Qi QI
  • Patent number: 11387305
    Abstract: The present application provides a display substrate having a plurality of subpixel areas. The display substrate includes a base substrate; a plurality of thin film transistors on the base substrate; and a plurality of semiconductor junctions configured to shield light from irradiating on active layers of the plurality of thin film transistors.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: July 12, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shi Shu, Jiangnan Lu, Xing Zhang, Wei Liu, Zhengliang Li, Cuili Gai
  • Patent number: 11372451
    Abstract: A display substrate, a display device, and a method of forming a display substrate are provided. The display substrate includes: a flexible base substrate and a plurality of pixel islands arranged on the flexible base substrate, where the plurality of pixel islands are arranged in an array, two adjacent pixel islands are connected through an island bridge, display units are arranged on the pixel islands, the display units on the pixel islands are electrically connected through an inter-island connection line arranged on the island bridge, a region outside the pixel islands and the island bridge is a hollow area, and axes of four island bridges around the hollow area are arranged as a parallelogram.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: June 28, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiayu He, Xue Liu, Hehe Hu, Zhengliang Li
  • Publication number: 20220186359
    Abstract: A fixture, a tray and a sputtering system. The fixture is internally provided with a support structure and a clamping structure connected with each other, wherein the clamping structure is configured to clamp a to-be-sputtered substrate; an orthographic projection of the clamping structure on a plane where the support structure is located and the support structure share an superimposed area and are separate in non-superimposed areas; wherein the support structure located in the non-superimposed area and/or the clamping structure located in the non-superimposed area has a first hollowed structure. The fixture is internally provided with the first hollowed structure, such that a part of an area of the to-be-sputtered substrate covered by the fixture may be exposed via the first hollowed structure when the fixture holds the to-be-sputtered substrate, so as to reduce the area of the to-be-sputtered substrate covered by the fixture.
    Type: Application
    Filed: September 24, 2021
    Publication date: June 16, 2022
    Inventors: Nianqi YAO, Ce NING, Zhengliang LI, Hehe HU, Dapeng XUE, Lizhong WANG, Shuilang DONG, Jie HUANG, Jiayu HE, Lubin SHI, Yancai LI
  • Publication number: 20220126294
    Abstract: A biochip and a method for manufacturing the same are provided. The biochip includes: a guide layer; a channel layer on the guide layer, wherein the channel layer has therein a plurality of first channels extending in a first direction; a plurality of second channels extending in a second direction, wherein each of the plurality of second channels is in communication with the plurality of first channels, the plurality of second channels are in a layer where the channel layer is located, or in a layer where the channel layer and the guide layer are located; an encapsulation cover plate on a side of the channel layer distal to the guide layer; and a driving unit configured to drive biomolecules to move.
    Type: Application
    Filed: January 22, 2021
    Publication date: April 28, 2022
    Inventors: Xiaochen MA, Ce NING, Guangcai YUAN, Xin GU, Zhengliang LI
  • Publication number: 20220048028
    Abstract: A microfluidic channel backplane includes a base, and a plurality of microfluidic channels, a sample-adding channel and an enrichment channel that are disposed above the base. Each microfluidic channel of the plurality of microfluidic channels includes a first end and a second end. The sample-adding channel is communicated with first ends of the plurality of microfluidic channels. The enrichment channel includes a first enrichment sub-channel and a second enrichment sub-channel. The first enrichment sub-channel is communicated with second ends of the plurality of microfluidic channels, and one end of the second enrichment sub-channel is communicated with the first enrichment sub-channel.
    Type: Application
    Filed: January 23, 2020
    Publication date: February 17, 2022
    Inventors: Xiaochen MA, Ce NING, Chao LI, Jiayu HE, Xueyuan ZHOU, Xiao ZHANG, Xin GU, Zhengliang LI, Guangcai YUAN