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).
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Patent number: 10921111Abstract: 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: GrantFiled: May 16, 2018Date of Patent: February 16, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jian Chen, Sangman Yuk, Huifang Yuan, Wenhao Tang
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Patent number: 10747046Abstract: 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: GrantFiled: February 1, 2019Date of Patent: August 18, 2020Assignees: 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
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Publication number: 20190277620Abstract: 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: ApplicationFiled: May 16, 2018Publication date: September 12, 2019Inventors: Jian CHEN, Sangman YUK, Huifang YUAN, Wenhao TANG
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Publication number: 20190162884Abstract: 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: ApplicationFiled: February 1, 2019Publication date: May 30, 2019Applicants: 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
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Patent number: 10274776Abstract: 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: GrantFiled: February 5, 2016Date of Patent: April 30, 2019Assignees: 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
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Patent number: 10274779Abstract: 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: GrantFiled: July 20, 2017Date of Patent: April 30, 2019Assignees: 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
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Patent number: 10268067Abstract: 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: GrantFiled: May 20, 2016Date of Patent: April 23, 2019Assignees: 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
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Patent number: 10139667Abstract: 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: GrantFiled: April 14, 2016Date of Patent: November 27, 2018Assignees: 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
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Patent number: 10120241Abstract: 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: GrantFiled: April 13, 2016Date of Patent: November 6, 2018Assignees: 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
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Publication number: 20180292749Abstract: 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: ApplicationFiled: May 3, 2017Publication date: October 11, 2018Applicants: 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
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Publication number: 20180114922Abstract: 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: ApplicationFiled: July 13, 2016Publication date: April 26, 2018Applicants: Boe Technology Group Co. Ltd., Hefei Xinsheng Optoelectronics Technology Co., LtdInventors: Jian CHEN, Sangman YUK, Bin LI, Tao ZHU, Huifang YUAN, Wenhao TANG, Qun FANG, Haibin YIN, Anxin DONG
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Patent number: 9880426Abstract: 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: GrantFiled: June 26, 2013Date of Patent: January 30, 2018Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Huifang Yuan
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Publication number: 20180024398Abstract: 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: ApplicationFiled: July 20, 2017Publication date: January 25, 2018Inventors: Guoqiang ZHONG, Sangman YUK, Bin LI, Tao ZHU, Huifang YUAN, Wenhao TANG, Haibin YIN, Qun FANG, Anxin DONG, Jian CHEN
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Publication number: 20170235186Abstract: 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: ApplicationFiled: February 5, 2016Publication date: August 17, 2017Applicants: 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
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Publication number: 20170168340Abstract: 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: ApplicationFiled: May 20, 2016Publication date: June 15, 2017Applicants: 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
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Publication number: 20170090232Abstract: 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: ApplicationFiled: April 28, 2016Publication date: March 30, 2017Inventors: Wenhao Tang, Sangman Yuk, Bin Li, Huifang Yuan, Tao Zhu, Haibin Yin, Jian Chen, Anxin Dong, Qun Fang, Guoqiang Zhong, Xinxin Fu
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Publication number: 20170045777Abstract: 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: ApplicationFiled: April 14, 2016Publication date: February 16, 2017Inventors: Haibin Yin, Sang Man Yuk, Bin Li, Wenhao Tang, Tao Zhu, Qun Fang, Huifang Yuan, Anxin Dong, Jian Chen, Guoqiang Zhong, Xinxin Fu
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Publication number: 20160370631Abstract: 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: ApplicationFiled: April 13, 2016Publication date: December 22, 2016Inventors: Wenhao Tang, Sang Man Yuk, Bin Li, Huifang Yuan, Tao Zhu, Haibin Yin, Jian Chen, Anxin Dong, Qun Fang
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Publication number: 20160161649Abstract: 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: ApplicationFiled: June 17, 2015Publication date: June 9, 2016Inventors: Huifang YUAN, Sangman YUK
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Publication number: 20150219951Abstract: 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: ApplicationFiled: June 26, 2013Publication date: August 6, 2015Inventor: Huifang Yuan