Patents by Inventor Huifang Yuan

Huifang 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).

  • Patent number: 10921111
    Abstract: Detecting device and method, and liquid crystal dropping apparatus and method are provided. The detecting device is configured to detect a volume of an uneven region of a color filter substrate in a display area, and includes at least one collection unit and a processing circuit. The collection unit is configured to obtain a surface image of the color filter substrate in the display area, and output the obtained surface image to the processing circuit. The processing circuit is connected to the collection unit and configured to process the surface image to obtain a volume of the uneven region of the color filter substrate in the display area. The detecting device and the corresponding method can automatically obtain the volume of the uneven region of the color filter substrate in the display area, thereby obtaining an appropriate filling amount of liquid crystal and ensuring product quality.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: February 16, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Chen, Sangman Yuk, Huifang Yuan, Wenhao Tang
  • Patent number: 10747046
    Abstract: A display substrate includes a base substrate; a black matrix on the base substrate and in the black matrix region, the black matrix comprising a plurality of rows and a plurality of columns intersecting each other; a first color filter layer having a net structure with a plurality of openings, and comprising a first portion in the first region and a second portion in the black matrix region, the first color filter layer substantially covering the plurality of columns of the black matrix; a second color filter layer in the second region; and a third color filter layer in the third region. A first height of a surface of the first portion away from the base substrate relative to the base substrate and a second height of a surface of the second portion away from the base substrate relative to the base substrate are within 30% of each other.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: August 18, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Anxin Dong, Huifang Yuan, Bin Li, Sangman Yuk, Tao Zhu, Haibin Yin, Jian Chen, Qun Fang, Wenhao Tang
  • Publication number: 20190277620
    Abstract: Detecting device, and method, and liquid crystal dropping apparatus and method are provided. The detecting device is configured to detect a volume of an uneven region of a color filter substrate in a display area, and includes at least one collection unit and a processing circuit. The collection unit is configured to obtain a surface image of the color filter substrate in the display area, and output the obtained surface image to the processing circuit. The processing circuit is connected to the collection unit and configured to process the surface image to obtain a volume of the uneven region of the color filter substrate in the display area. The detecting device and the corresponding method can automatically obtain the volume of the uneven region of the color filter substrate in the display area, thereby obtaining an appropriate filling amount of liquid crystal and ensuring product quality.
    Type: Application
    Filed: May 16, 2018
    Publication date: September 12, 2019
    Inventors: Jian CHEN, Sangman YUK, Huifang YUAN, Wenhao TANG
  • Publication number: 20190162884
    Abstract: A display substrate includes a base substrate; a black matrix on the base substrate and in the black matrix region, the black matrix comprising a plurality of rows and a plurality of columns intersecting each other; a first color filter layer having a net structure with a plurality of openings, and comprising a first portion in the first region and a second portion in the black matrix region, the first color filter layer substantially covering the plurality of columns of the black matrix; a second color filter layer in the second region; and a third color filter layer in the third region. A first height of a surface of the first portion away from the base substrate relative to the base substrate and a second height of a surface of the second portion away from the base substrate relative to the base substrate are within 30% of each other.
    Type: Application
    Filed: February 1, 2019
    Publication date: May 30, 2019
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD .
    Inventors: Anxin Dong, Huifang Yuan, Bin Li, Sangman Yuk, Tao Zhu, Haibin Yin, Jian Chen, Qun Fang, Wenhao Tang
  • Patent number: 10274776
    Abstract: A color film substrate and a method of manufacturing the same, and a display device. The color film substrate includes: a base substrate and a black matrix provided on the base substrate, a through hole or groove is provided in an area of the black matrix to be coated with a sealant, a high impedance material is filled in the through hole or the groove, and an impedance of the high impedance material is higher than that of the black matrix. A display device including the color film substrate mentioned above can solve the problem of a greenish picture of the display panel that caused by the charge release in flush-cut products.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: April 30, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Anxin Dong, Jongwon Moon, Bin Li, Sang Man Yuk, Huifang Yuan, Tao Zhu, Wenhao Tang, Haibin Yin, Jian Chen, Qun Fang
  • Patent number: 10274779
    Abstract: The present disclosure provides a method for manufacturing a display substrate, a display substrate, and a display device. The method for manufacturing a display substrate comprises: providing a container, which is positioned horizontally and which contains a curable liquid, and the bottom of which is flat; immersing a side of the substrate parallel to the bottom of the container in the horizontal direction into the curable liquid; and performing curing treatment of the curable liquid until the curable liquid is solidified on the side of the substrate to form a film layer.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: April 30, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Guoqiang Zhong, Sangman Yuk, Bin Li, Tao Zhu, Huifang Yuan, Wenhao Tang, Haibin Yin, Qun Fang, Anxin Dong, Jian Chen
  • Patent number: 10268067
    Abstract: The present application discloses a display substrate comprising a base substrate having at least a first region, a second region adjacent to the first region, a third region adjacent to the second region and spaced apart from the first region by the second region on one side, and a black matrix region; a black matrix in the black matrix region on the base substrate comprising a plurality of rows and a plurality of columns intersecting each other; a first color filter layer in a first region and extending into the black matrix region, the first color filter layer overlapping with the black matrix throughout the plurality of columns of the black matrix; a second color filter layer in the second region; and a third color filter layer in the third region.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: April 23, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Anxin Dong, Huifang Yuan, Bin Li, Sangman Yuk, Tao Zhu, Haibin Yin, Jian Chen, Qun Fang, Wenhao Tang
  • Patent number: 10139667
    Abstract: Provided are a color filter substrate provided with an inorganic cover layer and a display panel including the same. The color filter (CF) substrate includes a base substrate; a black matrix and a pixel resin layer both formed on the base substrate; a planarization layer formed on the black matrix and the pixel resin layer; and an inorganic cover layer formed on the planarization layer.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: November 27, 2018
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Haibin Yin, Sang Man Yuk, Bin Li, Wenhao Tang, Tao Zhu, Qun Fang, Huifang Yuan, Anxin Dong, Jian Chen, Guoqiang Zhong, Xinxin Fu
  • Patent number: 10120241
    Abstract: A display panel and a manufacturing method thereof and a display device. The display panel includes a first substrate and a second substrate disposed opposite to the first substrate. The display panel further includes: a sealant disposed in an auxiliary region of the first substrate; and a first spacer disposed in an auxiliary region of the second substrate. A position of the first spacer in the auxiliary region of the second substrate corresponds to a position of the sealant in the auxiliary region of the first substrate.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: November 6, 2018
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Wenhao Tang, Sang Man Yuk, Bin Li, Huifang Yuan, Tao Zhu, Haibin Yin, Jian Chen, Anxin Dong, Qun Fang
  • Publication number: 20180292749
    Abstract: A blue color-resist for a liquid crystal display. The blue color-resist contains a blue pigment and a green pigment. A wavelength of a blue light after being transmitted through the blue color-resist is shifted toward infrared region.
    Type: Application
    Filed: May 3, 2017
    Publication date: October 11, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD .
    Inventors: Huifang Yuan, Sang Man Yuk, Tao Zhu, Wenhao Tang, Haibin Yin, Anxin Dong, Guoqiang Zhong, Qun Fang, Jian Chen, Ya Yu, Rui Yin
  • Publication number: 20180114922
    Abstract: Disclosed are a compound and a method for preparing the same, and an organic electroluminescent device. The compound has a general formula as shown in Formula I: wherein R is a substituent containing an N, O or S atom. The application of the compound to a host material of a light-emitting layer for preparing an organic electroluminescent device can improve the luminescence efficiency.
    Type: Application
    Filed: July 13, 2016
    Publication date: April 26, 2018
    Applicants: Boe Technology Group Co. Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd
    Inventors: Jian CHEN, Sangman YUK, Bin LI, Tao ZHU, Huifang YUAN, Wenhao TANG, Qun FANG, Haibin YIN, Anxin DONG
  • Patent number: 9880426
    Abstract: A display panel and a manufacturing method thereof, a mask and a manufacturing method thereof, and a display device. The display panel includes a first display substrate and a second display substrate arranged to be opposed to each other, and main spacers and assistant spacers arranged between the first display substrate and the second display substrate. The main spacers and the assistant spacers are both arranged on the first display substrate. The main spacers have a height equal to a distance from the first display substrate to the second display substrate to support the first display substrate and the second display substrate. The assistant spacers have a height smaller than that of the main spacers. An end surface of a suspending end of at least one of the assistant spacers is planar and/or an end surface of a suspending end of at least one of the assistant spacers is convex.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: January 30, 2018
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Huifang Yuan
  • Publication number: 20180024398
    Abstract: The present disclosure provides a method for manufacturing a display substrate, a display substrate, and a display device. The method for manufacturing a display substrate comprises: providing a container, which is positioned horizontally and which contains a curable liquid, and the bottom of which is flat; immersing a side of the substrate parallel to the bottom of the container in the horizontal direction into the curable liquid; and performing curing treatment of the curable liquid until the curable liquid is solidified on the side of the substrate to form a film layer.
    Type: Application
    Filed: July 20, 2017
    Publication date: January 25, 2018
    Inventors: Guoqiang ZHONG, Sangman YUK, Bin LI, Tao ZHU, Huifang YUAN, Wenhao TANG, Haibin YIN, Qun FANG, Anxin DONG, Jian CHEN
  • Publication number: 20170235186
    Abstract: A color film substrate and a method of manufacturing the same, and a display device. The color film substrate includes: a base substrate and a black matrix provided on the base substrate, a through hole or groove is provided in an area of the black matrix to be coated with a sealant, a high impedance material is filled in the through hole or the groove, and an impedance of the high impedance material is higher than that of the black matrix. A display device including the color film substrate mentioned above can solve the problem of a greenish picture of the display panel that caused by the charge release in flush-cut products.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 17, 2017
    Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd .
    Inventors: Anxin Dong, Jongwon Moon, Bin Li, Sang Man Yuk, Huifang Yuan, Tao Zhu, Wenhao Tang, Haibin Yin, Jian Chen, Qun Fang
  • Publication number: 20170168340
    Abstract: The present application discloses a display substrate comprising a base substrate having at least a first region, a second region adjacent to the first region, a third region adjacent to the second region and spaced apart from the first region by the second region on one side, and a black matrix region; a black matrix in the black matrix region on the base substrate comprising a plurality of rows and a plurality of columns intersecting each other; a first color filter layer in a first region and extending into the black matrix region, the first color filter layer overlapping with the black matrix throughout the plurality of columns of the black matrix; a second color filter layer in the second region; and a third color filter layer in the third region.
    Type: Application
    Filed: May 20, 2016
    Publication date: June 15, 2017
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD .
    Inventors: Anxin Dong, Huifang Yuan, Bin Li, Sangman Yuk, Tao Zhu, Haibin Yin, Jian Chen, Qun Fang, Wenhao Tang
  • Publication number: 20170090232
    Abstract: Embodiments of the present invention provide a display substrate, a manufacturing method thereof and a display device, simplifying the manufacturing process and reducing the production cost, meanwhile, improving the panel display quality. The method comprises: forming, on a base substrate, a non-transparent material layer for manufacturing a black matrix; forming, on the substrate where the above step is performed, a transparent material layer for manufacturing primary and secondary column shaped spacers; forming a pattern of the primary and secondary column shaped spacers and the black matrix using a composition process.
    Type: Application
    Filed: April 28, 2016
    Publication date: March 30, 2017
    Inventors: Wenhao Tang, Sangman Yuk, Bin Li, Huifang Yuan, Tao Zhu, Haibin Yin, Jian Chen, Anxin Dong, Qun Fang, Guoqiang Zhong, Xinxin Fu
  • Publication number: 20170045777
    Abstract: Provided are a color filter substrate provided with an inorganic cover layer and a display panel including the same. The color filter (CF) substrate includes a base substrate; a black matrix and a pixel resin layer both formed on the base substrate; a planarization layer formed on the black matrix and the pixel resin layer; and an inorganic cover layer formed on the planarization layer.
    Type: Application
    Filed: April 14, 2016
    Publication date: February 16, 2017
    Inventors: Haibin Yin, Sang Man Yuk, Bin Li, Wenhao Tang, Tao Zhu, Qun Fang, Huifang Yuan, Anxin Dong, Jian Chen, Guoqiang Zhong, Xinxin Fu
  • Publication number: 20160370631
    Abstract: A display panel and a manufacturing method thereof and a display device. The display panel includes a first substrate and a second substrate disposed opposite to the first substrate. The display panel further includes: a sealant disposed in an auxiliary region of the first substrate; and a first spacer disposed in an auxiliary region of the second substrate. A position of the first spacer in the auxiliary region of the second substrate corresponds to a position of the sealant in the auxiliary region of the first substrate.
    Type: Application
    Filed: April 13, 2016
    Publication date: December 22, 2016
    Inventors: Wenhao Tang, Sang Man Yuk, Bin Li, Huifang Yuan, Tao Zhu, Haibin Yin, Jian Chen, Anxin Dong, Qun Fang
  • Publication number: 20160161649
    Abstract: The present invention provides a display substrate and a manufacturing method thereof, and a display device, the display substrate comprises an active area, a first black matrix and a light leaking region, the first black matrix surrounding the active area, and the light leaking region surrounding the periphery of the first black matrix, wherein the display substrate further comprises a filter layer surrounding the first black matrix, the filter layer covers the light leaking region so as to reduce the transmittance of light at the light leaking region, and the resistivity of the filter layer is larger than that of the first black matrix. In the display substrate, the light leaking region is covered by the filter layer, the transmittance of light at light leaking region is thus reduced, therefore, likelihood of viewer observing light leakage at the light leaking region may be decreased.
    Type: Application
    Filed: June 17, 2015
    Publication date: June 9, 2016
    Inventors: Huifang YUAN, Sangman YUK
  • Publication number: 20150219951
    Abstract: A display panel and a manufacturing method thereof, a mask and a manufacturing method thereof, and a display device. The display panel includes a first display substrate and a second display substrate arranged to be opposed to each other, and main spacers and assistant spacers arranged between the first display substrate and the second display substrate. The main spacers and the assistant spacers are both arranged on the first display substrate. The main spacers have a height equal to a distance from the first display substrate to the second display substrate to support the first display substrate and the second display substrate. The assistant spacers have a height smaller than that of the main spacers. An end surface of a suspending end of at least one of the assistant spacers is planar and/or an end surface of a suspending end of at least one of the assistant spacers is convex.
    Type: Application
    Filed: June 26, 2013
    Publication date: August 6, 2015
    Inventor: Huifang Yuan