Patents by Inventor Guangcai YUAN

Guangcai YUAN 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: 20240137484
    Abstract: Provided in the embodiments of the present disclosure are a display panel, a display apparatus and a driving method therefor, and an image rendering method.
    Type: Application
    Filed: August 27, 2021
    Publication date: April 25, 2024
    Inventors: Tieshi WANG, Kuanjun PENG, Xue DONG, Chunmiao ZHOU, Tao HONG, Hui ZHANG, Xin DUAN, Minglei CHU, Xiaochuan CHEN, Guangcai YUAN, Jing YU
  • 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
  • Patent number: 11948845
    Abstract: The present disclosure relates to a device and a system for testing flatness. The device for testing flatness includes a base, a testing platform, and a ranging sensor. The testing platform is assembled on the base. The testing platform includes a supporting structure. The supporting structure is disposed on the side of the testing platform away from the base and is used to support a to-be-tested board. The structure matches the structure of the to-be-tested board. The ranging sensor is disposed on the side of the testing platform away from the base. After the to-be-tested board is placed on the testing platform, the ranging sensor is used to test distances between a number N of to-be-tested positions on the to-be-tested board and the ranging sensor, to obtain N pieces of distance information, and the N pieces of distance information are used to determine the flatness of the to-be-tested board, where N is an integer greater than 2.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: April 2, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shaodong Sun, Haoran Gao, Guangcai Yuan, Lilei Zhang, Wenyue Fu, Li Li, Hanbo Zheng, Shuqi Liu, Qi Qi, Junwei Yan, Pingkuan Gu, Lina Jing, Yan Chen, Yimin Chen
  • Publication number: 20240103315
    Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display liquid crystal panel includes a first substrate and a second substrate opposite to each other; the light control panel includes a third substrate and a fourth substrate opposite to each other. The second substrate and the third substrate are between the first substrate and the fourth substrate. The light control liquid crystal layer is between the first polarizer and the second polarizer; the first polarizer is between the second polarizer and the third polarizer, and the display liquid crystal layer is between the first polarizer and the third polarizer. The first polarizer, the second polarizer, and the third polarizer are configured to allow backlight to emit out of the fourth substrate after passing through the second polarizer, the first polarizer, and the third polarizer in sequence.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai YUAN, Haixu LI
  • Publication number: 20240092628
    Abstract: A micro-nano channel structure, a method for manufacturing the micro-nano channel structure, a sensor, a method for manufacturing the sensor, and a microfluidic device are provided. The micro-nano channel structure includes: a base substrate; a base layer, on the base substrate and including a plurality of protrusions; a channel wall layer, on a side of the plurality of the protrusions away from the base substrate, the channel wall layer has a micro-nano channel; a recessed portion is provided between adjacent protrusions of the plurality of the protrusions, an orthographic projection of the micro-nano channel on the base substrate is located within an orthographic projection of the recessed portion on the base substrate. The micro-nano channels have a high resolution or an ultra-high resolution, and have different sizes and shapes.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 21, 2024
    Inventors: Xiaochen MA, Guangcai YUAN, Ce NING, Xin GU, Xiao ZHANG, Chao 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: 20240088328
    Abstract: A light-emitting device, a light-emitting substrate, and a method for manufacturing the light-emitting device. The light-emitting device includes at least one light-emitting structure. The light-emitting structure includes: a first semiconductor layer; a light-emitting layer; a second semiconductor layer, doping ions of the second semiconductor layer and a first semiconductor layer being oppositely charged; a barrier structure provided with an opening for exposing the second semiconductor layer, the orthographic projection of the opening on the base substrate being located in the orthographic projection of the light-emitting layer on the base substrate, and the area of the opening being smaller than that of the light-emitting layer; and a landing electrode located on the side of the barrier structure facing away from the second semiconductor layer, the landing electrode being in contact with the second semiconductor layer by means of the opening.
    Type: Application
    Filed: October 22, 2021
    Publication date: March 14, 2024
    Inventors: Bin QIN, Kuanjun PENG, Weixing LIU, Fangzhen ZHANG, Xue DONG, Jintao PENG, Wanpeng TENG, Xiaolong LI, Shuang SUN, Wanzhi CHEN, Guangcai YUAN, Qian JIA
  • Patent number: 11929358
    Abstract: Provided is a display backplate including an array substrate and a plurality of pairs of connection structures on the array substrate, wherein the array substrate includes a plurality of thin-film transistors and a common electrode signal line, wherein at least one of the plurality of thin-film transistors is connected to one of a pair of connection structures and the common electrode signal line is connected to the other of the pair of connection structures; and an area of a first section of the connection structure is negatively correlated with a distance between the first section and a surface of the array substrate, and the first section is parallel to the surface of the array substrate.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: March 12, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiwei Liang, Wenqian Luo, Yingwei Liu, Ke Wang, Qi Yao, Huijuan Wang, Haixu Li, Zhanfeng Cao, Guangcai Yuan, Xue Dong, Guoqiang Wang, Zhijun Lv
  • Patent number: 11926499
    Abstract: A folding device is provided. The folding device includes a bearing and fixing mechanism (1) configured to bear and fix a main body portion (21) of a to-be-folded device (2); a folding mechanism (3) located on at least one side of the bearing and fixing mechanism (1), the folding mechanism (3) being rotatably connected to the bearing and fixing mechanism (1) and configured to bear and fix a to-be-folded portion (22) of the to-be-folded device (2); and a driving mechanism (4) connected to the folding mechanism (3), the driving mechanism (4) being configured to drive the folding mechanism (3) to turn relative to the bearing and fixing mechanism (1), so as to fold the to-be-folded portion (22) to a side in a thickness direction of the main body portion (21). The folding device can fold automatically, and manual folding is avoided.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: March 12, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuqi Liu, Xinhong Lu, Wenyue Fu, Haoran Gao, Guangcai Yuan, Li Li, Shaodong Sun, Song Fang, Dongfeng Du, Qi Qi
  • Publication number: 20240079354
    Abstract: The present disclosure provides a base plate integrating passive devices and a method for manufacturing the same, which relate to the technical field of radio frequency devices. The base plate integrating passive devices of the present disclosure includes a substrate base plate and the passive devices disposed on the substrate base plate, the passive devices including at least an inductor, the inductor including a plurality of open ring portions arranged and connected in sequence in a direction away from the base plate, wherein an interlayer dielectric layer is disposed between the open ring portions disposed adjacently, and the open ring portions disposed adjacently are electrically connected through a first via hole penetrating the interlayer dielectric layer; orthographic projections of any two of the open ring portions on the substrate base plate at least partially overlap.
    Type: Application
    Filed: October 29, 2021
    Publication date: March 7, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yingwei Liu, Ke Wang, Zhanfeng Cao, Qi Yao, Guangcai Yuan, Yuelei Xiao, Yue Li
  • Patent number: 11925064
    Abstract: The present disclosure provides a display substrate including: a base substrate, and a thin film transistor, an oxygen supplementing functional layer and an oxygen containing layer formed on the base substrate. The thin film transistor includes: an active layer in direct contact with the oxygen containing layer, and the active layer includes an oxide semiconductor material. The oxygen supplementing functional layer includes a metal oxide material and serves as a first electrode of the display substrate. The oxygen containing layer is between the oxygen supplementing functional layer and the base substrate.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: March 5, 2024
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dapeng Xue, Guangcai Yuan, Xiaochun Xu, Zheng Liu, Liangliang Li, Shuilang Dong, Lizhong Wang, Niangi Yao
  • Patent number: 11914244
    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes a first display substrate, a second display substrate, and a third display substrate; the second display substrate and the first display substrate are assembled to form a first liquid crystal cell; the third display substrate and the second display substrate are assembled to form a second liquid crystal cell; the display panel further includes a first wire grid polarizer on the second display substrate and a first bonding portion at a side of the second display substrate close to the first display substrate, and the first bonding portion is located outside the first liquid crystal cell; and an orthographic projection of the first wire grid polarizer on the second display substrate is not overlapped with an orthographic projection of the first bonding portion on the second display substrate.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 27, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hua Huang, Guangcai Yuan, Xin Gu
  • Patent number: 11905163
    Abstract: A micro-nano channel structure, a method for manufacturing the micro-nano channel structure, a sensor, a method for manufacturing the sensor, and a microfluidic device are provided by the embodiments of the present disclosure. The micro-nano channel structure includes: a base substrate; a base layer, on the base substrate and including a plurality of protrusions; and a channel wall layer, on a side of the plurality of the protrusions away from the base substrate, and the channel wall layer has a micro-nano channel; a recessed portion is provided between adjacent protrusions of the plurality of the protrusions, and an orthographic projection of the micro-nano channel on the base substrate is located within an orthographic projection of the recessed portion on the base substrate.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: February 20, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochen Ma, Guangcai Yuan, Ce Ning, Xin Gu, Xiao Zhang, Chao Li
  • Publication number: 20240045118
    Abstract: The present disclosure relates to the field of display technology, and provides an optical module, a manufacturing method thereof, and a display device. The optical module includes: a substrate; a black matrix arranged on the substrate and a plurality of optical lenses spaced apart from each other, wherein an orthogonal projection of a gap between adjacent optical lenses onto the substrate is located within an orthogonal projection of the black matrix onto the substrate, and the black matrix is made of a ferrous metal oxide.
    Type: Application
    Filed: April 26, 2021
    Publication date: February 8, 2024
    Inventors: Kang GUO, Feng ZHANG, Haitao HUANG, Renquan GU, Mengya SONG, Duohui LI, Song LIU, Xin GU, Guangcai YUAN, Xue DONG
  • Patent number: 11893930
    Abstract: An array substrate includes a base substrate, a pixel circuit, a flexible layer, a lead structure, a control circuit and a planarization layer. The flexible layer includes a first substrate portion and a second substrate portion, and the lead structure includes a first lead portion and a second lead portion. The pixel circuit, the first lead portion and the first substrate portion are all arranged on a first side of the base substrate, the control circuit, the second lead portion and the second substrate portion are all arranged on a second side of the base substrate, and the second side is opposite to the first side.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: February 6, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoyan Zhu, Hua Huang, Guangcai Yuan, Xue Dong
  • Publication number: 20240038934
    Abstract: The present disclosure relates to a display substrate and a method for manufacturing the same. The display substrate includes: a substrate; a first electrode located on the substrate; and a conductive convex located on the first electrode. A dimension of a cross section of the conductive convex along a plane parallel to the substrate is negatively correlated to a distance from the cross section to a surface of the first electrode.
    Type: Application
    Filed: October 6, 2023
    Publication date: February 1, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai YUAN, Zhijun LV, Haixu LI, Xiaoxin SONG, Feng ZHANG, Wenqu LIU, Liwen DONG, Zhao CUI, Libo WANG, Detian MENG
  • Patent number: 11885978
    Abstract: Disclosed are a micro-lens structure, a displaying device, and a machining method of the micro-lens structure. The micro-lens structure specifically comprises: micro-lens units distributed in an array, wherein each micro-lens unit comprises at least two micro-lenses made of a photoresist, and the at least two micro-lenses have different arch heights.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: January 30, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Feng Zhang, Kang Guo, Renquan Gu, Detian Meng, Libo Wang, Dongfei Hou, Guangcai Yuan, Xue Dong, Wei Wang, Jinye Zhu, Jing Yu, Jing Liu, Haitao Huang
  • Publication number: 20240019726
    Abstract: A mass transfer method for micro light-emitting diodes (W) includes: picking up micro light-emitting diodes (W) on an element substrate (200) by using a transfer substrate (300), and transferring the micro light-emitting diodes (W) after pickup to an intermediate carrying substrate (400); and transferring micro light-emitting diodes (W), which are on the intermediate carrying substrate (400) and correspond to all sub-pixels (SPX) on a target substrate (100), into the sub-pixels (SPX) of the target substrate (100) at one time, such that all the sub-pixels (SPX) on the target substrate (100) receives the micro light-emitting diodes (W) at one time.
    Type: Application
    Filed: October 30, 2020
    Publication date: January 18, 2024
    Inventors: Guangcai YUAN, Haixu LI, Shulei LI, Lubin SHI, Zhao KANG, Hua HUANG
  • Patent number: 11874551
    Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. A display liquid crystal panel and a light control panel that are stacked. The display liquid crystal panel includes a first substrate and a second substrate that are opposite to each other; the light control panel includes a third substrate and a fourth substrate that are opposite to each other. The second substrate and the third substrate are between the first substrate and the fourth substrate. The first polarizer is between the second polarizer and the third polarizer. The first polarizer, the second polarizer, and the third polarizer are configured to allow backlight to emit out of the fourth substrate after passing through the second polarizer, the first polarizer, and the third polarizer in sequence.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: January 16, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai Yuan, Haixu Li
  • Patent number: 11871606
    Abstract: A display substrate has at least one display region and at least one non-display region, and a non-display region is located at at least one side of a display region. The display substrate includes a base, a plurality of light-emitting devices, and an encapsulation layer. The plurality of light-emitting devices are located in the at least one display region and disposed on a side of the base. The encapsulation layer is disposed on a side of the plurality of light-emitting devices facing away from the base, and configured to encapsulate the plurality of light-emitting devices. A surface, proximate to the base, of a portion of the encapsulation layer located in the non-display region is unevenly arranged.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: January 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinxiang Xue, Guoqiang Wang, Zhongyuan Sun, Wenqi Liu, Jingkai Ni, Kai Sui, Xiaofen Wang, Xiang Zhou, Chao Dong, Guangcai Yuan