Patents by Inventor Kefeng LI
Kefeng 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).
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Publication number: 20230406759Abstract: A paste for coating a glass substrate which, after coating, is subjected to firing and chemical strengthening by ion exchange to form an enamel coated, chemically strengthened glass product, the paste containing an organic carrier fluid; a first inorganic frit having a first softening point; and a second inorganic frit having a second softening point, wherein the softening point of the first inorganic frit is higher than the softening point of the second inorganic frit such that the second inorganic frit can be softened and sintered at a temperature lower than the softening point of the first inorganic frit, and wherein the first inorganic frit includes an exchangeable ion content which can be ion exchanged to chemically strengthen the first inorganic frit.Type: ApplicationFiled: September 28, 2021Publication date: December 21, 2023Inventors: Svetlana EMELIANOVA, Jean Luc LOONTJENS, Maxence VALLA, Kefeng LI, Ren XU
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Patent number: 11360659Abstract: An electronic device, an input/output apparatus and an input/output method therefor are disclosed. The electronic device includes an input/output controller, a first projector component, a second projector component and a detector component. The input/output controller generates a first projection signal for an output interface and a second projection signal for an input interface. The first projector component projects the output interface according to the first projection signal. The second projector component projects the input interface according to the second projection signal. The detector component detects an input signal in the projected input interface, and transmits the detected input signal to the input/output controller as an input signal for the electronic device. By implementing input/output in a manner of projection, an input/output interface of a desired size is provided while the input/output apparatus of the electronic device is miniaturized.Type: GrantFiled: January 24, 2017Date of Patent: June 14, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Youting Zhang, Taofeng Xie, Kefeng Li, Haifeng Hu, Cui Chen
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Patent number: 10949439Abstract: The present disclosure provides a method, apparatus and system for displaying search results, an apparatus and a computer storage medium. On the one hand, according to embodiments of the present disclosure, the key word is sent to the server so that the server performs a search according to the key word to obtain at least two page files, each of the page files including at least one search result matching the key word, thereby receiving the at least two page files sent by the server; thereby, according to the page style and the special display effect corresponding to each of the page files, rendering each of said page files to display the search result matching the key word. Hence, the technical solutions provided by embodiments of the present disclosure solve the problem in the prior art that the form of displaying the search result page is relatively single and exhibits lower interactivity and flexibility.Type: GrantFiled: December 3, 2015Date of Patent: March 16, 2021Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Junqi Liu, Kefeng Li, Chao Han, Jing Ye
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Patent number: 10502997Abstract: A touch liquid crystal display (LCD) device, a touch display device and a lamination method are provided. The touch LCD device includes an LCD module, a package substrate, a first adhesive and a second adhesive; the LCD module and the package substrate are adhered to each other through the first adhesive which covers a display area of the LCD module; and the second adhesive is disposed between the LCD module and the package substrate and on a non-display area of the LCD module, and hardness of the second adhesive is greater than hardness of the first adhesive. The touch LCD device can effectively eliminate the problem of reduced display quality caused by the water wave phenomenon that the touch LCD device adopting a full lamination method tends to generate.Type: GrantFiled: March 23, 2016Date of Patent: December 10, 2019Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Jun Chen, Hongqiang Luo, Pengyu Zhang, Zhanqi Xu, Zhongzheng Yang, Kefeng Li, Ting Zeng
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Patent number: 10416821Abstract: The present application discloses a touch substrate having a display area and a peripheral area abutting the display area for bonding circuit parts, including a base substrate; a touch signal line layer having a plurality of transparent touch signal lines on the base substrate in the display area, the plurality of transparent touch signal lines extending across at least a portion of the display area into the peripheral area; an insulating layer on a side of the touch signal line layer distal to the base substrate; and a touch electrode layer having a plurality of transparent touch electrodes in the display area on a side of the insulating layer distal to the touch signal line layer.Type: GrantFiled: July 4, 2016Date of Patent: September 17, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Youting Zhang, Taofeng Xie, Kefeng Li, Ting Zeng, Haifeng Hu
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Patent number: 10388370Abstract: An electronic memristive device that has a complementary analog reconfigurable memristive bidirectional resistive switch. The device has a memristive layer sequence having a BFTO/BFO/BFTO three-ply layer and two electrodes. Titanium traps are arranged in the BFTO interfaces. As a result of mobile acid vacancies, the potential barriers at the interfaces of the electrodes with respect to the memristive layer sequence are in flexible form. By applying voltage pulses, the acid vacancies can be shifted from the interface with respect to the first electrode to the interface with respect to the second electrode, with raising of the potential barrier at one electrode bringing about complementary lowering of the potential barrier of the other electrode. The method for operating the device proposes adapted writing processes that use the overlaying of writing pulse sequences to achieve stipulation of a state pair of complementary resistor states.Type: GrantFiled: April 3, 2017Date of Patent: August 20, 2019Assignee: Helmholtz-Zentrum Dresden—Rossendorf e.V.Inventors: Heidemarie Schmidt, Kefeng Li, Ilona Skorupa, Nan Du
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Publication number: 20190122730Abstract: The invention relates to an electronic memristive device that has a complementary analogue reconfigurable memristive bidirectional resistive switch. The device has a memristive layer sequence having a BFTO/BFO/BFTO three-ply layer and two electrodes. Titanium traps are arranged in the BFTO interfaces. As a result of mobile acid vacancies, the potential barriers at the interfaces of the electrodes with respect to the memristive layer sequence are in flexible form. By applying voltage pulses, the acid vacancies can be shifted from the interface with respect to the first electrode to the interface with respect to the second electrode, with raising of the potential barrier at one electrode bringing about complementary lowering of the potential barrier of the other electrode. The method according to the invention for operating the device proposes adapted writing processes that use the overlaying of writing pulse sequences to achieve stipulation of a state pair of complementary resistor states.Type: ApplicationFiled: April 3, 2017Publication date: April 25, 2019Inventors: Heidemarie Schmidt, Kefeng Li, Ilona Skorupa, Nan Du
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Patent number: 10203798Abstract: The present disclosure provides a touch screen, a touch display apparatus and a method for manufacturing a touch screen so as to improve the positioning precision of the touch screen. The touch screen comprises a substrate and a plurality of first optical devices, a plurality of second optical devices, a light source, a third optical device, a plurality of first light-receiving means and a plurality of second light-receiving means. The touch screen further comprises control means for determining positional information of the touch point according to the light receiving results of the plurality of first light-receiving means and the plurality of second light-receiving means.Type: GrantFiled: June 29, 2016Date of Patent: February 12, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Kefeng Li, Xianlin Ding, Ting Zeng, Zhongzheng Yang
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Patent number: 10198136Abstract: The present invention provides an OGS touch screen, a manufacturing method thereof and a display device. The OGS touch screen comprises a base substrate and a metal bridge provided on the base substrate, wherein at least a region, which corresponds to the metal bridge, of a surface of the base substrate facing the metal bridge is uneven. In the OGS touch screen provided by the present invention, by making at least the region of the surface of the base substrate corresponding to the metal bridge uneven, incident light from a side of the base substrate without the metal bridge can be reflected diffusely at least at the region of the base substrate corresponding to the metal bridge, so that the vanishing effect of the metal bridge is enhanced and the visibility of the metal bridge is reduced.Type: GrantFiled: June 27, 2016Date of Patent: February 5, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jun Li, Wenjie Shi, Wenjin Fan, Lei Zhang, Ming Hu, Kefeng Li
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Patent number: 10191571Abstract: A substrate and a display device are provided. The substrate includes a base and a signal line arranged on the base. The signal line includes at least two main film layers and a first additional film layer arranged between every two adjacent main film layers, wherein an electrical conductivity of the main film layer is larger than that of the first additional film layer; and a crystallinity of the main film layer is lower than that of the first additional film layer.Type: GrantFiled: July 19, 2017Date of Patent: January 29, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ting Zeng, Kefeng Li, Taofeng Xie, Tsungchieh Kuo, Shuncheng Zhu
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Patent number: 10156924Abstract: The embodiments of the invention provide a metal grid, a touch screen, a display device and a manufacture method of touch screen, and refer to display technology field. The invention can improve the phenomenon of moiré fringe when the line width of the metal wire is relatively large. The metal grid comprises multiple repeat units, the metal wires in the repeat unit form at least two different kinds of basic patterns, and the repeat unit is pieced together by one or more of the at least two different kinds of basic patterns.Type: GrantFiled: April 30, 2015Date of Patent: December 18, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiaodong Xie, Ming Hu, Zhizhong Tu, Ming Zhang, Qingpu Wang, Kefeng Li
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Publication number: 20180348902Abstract: The present application discloses a touch substrate having a display area and a peripheral area abutting the display area for bonding circuit parts, including a base substrate; a touch signal line layer having a plurality of transparent touch signal lines on the base substrate in the display area, the plurality of transparent touch signal lines extending across at least a portion of the display area into the peripheral area; an insulating layer on a side of the touch signal line layer distal to the base substrate; and a touch electrode layer having a plurality of transparent touch electrodes in the display area on a side of the insulating layer distal to the touch signal line layer.Type: ApplicationFiled: July 4, 2016Publication date: December 6, 2018Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD .Inventors: Youting Zhang, Taofeng Xie, Kefeng Li, Ting Zeng, Haifeng Hu
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Publication number: 20180267685Abstract: The disclosure relates to An electronic device, an input/output apparatus and an input/output method therefor are disclosed. The electronic device includes an input/output controller, a first projector component, a second projector component and a detector component. The input/output controller generates a first projection signal for an output interface and a second projection signal for an input interface. The first projector component projects the output interface according to the first projection signal. The second projector component projects the input interface according to the second projection signal. The detector component detects an input signal in the projected input interface, and transmits the detected input signal to the input/output controller as an input signal for the electronic device. By implementing input/output in a manner of projection, an input/output interface of a desired size is provided while the input/output apparatus of the electronic device is miniaturized.Type: ApplicationFiled: January 24, 2017Publication date: September 20, 2018Inventors: Youting ZHANG, Taofeng XIE, Kefeng LI, Haifeng HU, Cui CHEN
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Publication number: 20180246606Abstract: A touch screen panel and a manufacturing method thereof and a display device are provided. The manufacturing method for a touch screen includes: forming an auxiliary film layer on a first substrate, wherein the auxiliary film layer includes a catalyst capable of accelerating a formation reaction rate of graphene; patterning the auxiliary film layer to obtain an auxiliary pattern layer having a first pattern; forming a graphene pattern layer on the auxiliary pattern layer, the graphene pattern layer having a second pattern; forming a base film on the graphene pattern layer; and removing the first substrate and the auxiliary pattern layer.Type: ApplicationFiled: May 19, 2017Publication date: August 30, 2018Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Ting Zeng, Taofeng Xie, Biao Du, Kefeng Li, Liang Yan, Haifeng Hu
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Publication number: 20180218076Abstract: Embodiments of the present disclosure provide an information obtaining method and apparatus, an apparatus and a computer storage medium. In an aspect, according to embodiments of the present disclosure, the first page data requested by the client is obtained; then, the search key word is obtained according to the first page data; the hyperlink of the search key word is established in the first page data, to generate a second page data; then, the second page data is output to the client so that the client displays the page according to the second page data. Therefore, the technical solutions according to the present disclosure enable the user to directly obtain the related information of the search key word through the hyperlink of the search key word when the user has searching demands for the browsed content, thereby reduce the operation costs for obtaining the information, and improve the information obtaining efficiency.Type: ApplicationFiled: November 27, 2015Publication date: August 2, 2018Applicant: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Junqi LIU, Kefeng LI
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Publication number: 20180196855Abstract: The present disclosure provides a method, apparatus and system for displaying search results, an apparatus and a computer storage medium. On the one hand, according to embodiments of the present disclosure, the key word is sent to the server so that the server performs search according to the key word to obtain at least two page files, each of the page files including at least one search result matching the key word, thereby receiving the at least two page files sent by the server; thereby, according to the page style and the special display effect corresponding to each of the page files, rendering each of said page files to display the search result matching the key word. Hence, the technical solutions provided by embodiments of the present disclosure solve the problem in the prior art that the form of displaying the search result page is relatively single and exhibits lower interactivity and flexibility.Type: ApplicationFiled: December 3, 2015Publication date: July 12, 2018Applicant: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Junqi LIU, Kefeng LI, Chao HAN, Jing YE
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Patent number: 10019089Abstract: The present invention provides a touch substrate, comprising a plurality of first electrodes extending along a first direction and a plurality of second electrodes extending along a second direction intersecting with the first direction, wherein the first electrode comprises a plurality of first electrode blocks, the second electrode comprises a plurality of second electrode blocks, adjacent two first electrode blocks are connected via at least one electrically conductive connecting piece, adjacent two second electrode blocks are formed integrally; a connecting piece comprises two contact portions and a connecting portion, the insulating layer at least covers each connecting piece and exceeds border of the connecting piece, the first electrode block is electrically connected to the contact portion via a via hole passing through the insulating layer, and a part of the contact portion is not exposed by the via hole.Type: GrantFiled: March 29, 2016Date of Patent: July 10, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jun Li, Xianlin Ding, Guiyu Zhang, Ting Zeng, Jun Chen, Qingpu Wang, Hongqiang Luo, Kefeng Li, Qicheng Chen, Zhi Du, Zhanqi Xu
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Patent number: 9939970Abstract: A touch substrate and a display device are disclosed. The touch substrate includes a plurality of first electrodes and second electrodes disposed as intersecting each other, wherein the first electrodes and the second electrodes contact each other at intersecting positions and form heterojunction therein. The touch substrate of the invention takes advantage of unidirectional conductive feature of the heterojunction to prevent the interference between the first electrodes and the second electrodes, thereby guaranteeing the good performance of the touch substrate.Type: GrantFiled: June 19, 2015Date of Patent: April 10, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ting Zeng, Ming Hu, Hongqiang Luo, Kefeng Li
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Patent number: 9891768Abstract: The present disclosure provides a touch panel, its manufacturing method and a touch display panel. A bridging point member of a bridging line, through which sensing electrodes in the touch panel are electrically connected to each other, is provided with at least one via-hole, so as to provide the bridging point member with a hollowed-out pattern.Type: GrantFiled: July 13, 2015Date of Patent: February 13, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Kefeng Li, Ming Hu, Taofeng Xie, Ting Zeng
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Publication number: 20180024664Abstract: A substrate and a display device are provided. The substrate includes a base and a signal line arranged on the base. The signal line includes at least two main film layers and a first additional film layer arranged between every two adjacent main film layers, wherein an electrical conductivity of the main film layer is larger than that of the first additional film layer; and a crystallinity of the main film layer is lower than that of the first additional film layer.Type: ApplicationFiled: July 19, 2017Publication date: January 25, 2018Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ting ZENG, Kefeng LI, Taofeng XIE, Tsungchieh KUO, Shuncheng ZHU