Patents by Inventor Chang Luo
Chang Luo 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: 20220310747Abstract: Disclosed are a display panel and a display device. The display panel includes: at least one group of gate driving signal lines, the gate driving signal lines starting from the driving chip bonding area and going around the display area after passing through the bending area; and at least two first driving voltage lines, the at least two first driving voltage lines respectively starting from the flexible printed circuit bonding area, going through the bending area after passing through two sides of the driving chip bonding area, and extending to be close to the display area, and the at least two first driving voltage lines are respectively at two sides of the at least one group of gate driving signal lines.Type: ApplicationFiled: August 31, 2020Publication date: September 29, 2022Inventors: Yi QU, Hao ZHANG, Linhong HAN, Meng ZHANG, Jie DAI, Yang ZHOU, Yi ZHANG, Chang LUO, Shun ZHANG
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Publication number: 20220310714Abstract: A display panel has an opening region, a display region, and first and second peripheral regions; and includes a substrate, a first barrier structure surrounding the display region and in the first peripheral region, a second barrier structure surrounding the opening region and in the second peripheral region, and a crack detection line including first and second portions. The first portion surrounds the opening region, and is on a side of the second barrier structure distal to the display region. Both ends of the second portion are respectively connected to both ends of the first portion. Orthogonal projections of the second portion and the second barrier structure on the substrate overlap each other. The second portion extends into the first peripheral region through the display region. A height of a portion of the second barrier structure overlapping the second portion is less than that of the first barrier structure.Type: ApplicationFiled: December 16, 2021Publication date: September 29, 2022Inventors: Yuanqi ZHANG, Ping WEN, Shun ZHANG, Chang LUO, Yi ZHANG
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Publication number: 20220300116Abstract: Provided is a touch panel. The touch panel includes a back plate and a touch electrode layer disposed on a side of the back plate, wherein the touch electrode layer has a circular touch region and includes a plurality of touch electrodes, the plurality of touch electrodes are distributed in the touch region, and any touch electrode distal from a periphery of the touch region has three side edges sequentially connected end to end.Type: ApplicationFiled: March 1, 2022Publication date: September 22, 2022Inventors: Shun ZHANG, Yuanqi ZHANG, Yi ZHANG, Chang LUO
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Patent number: 11448807Abstract: A display substrate, a fine metal mask set and a manufacturing method thereof are provided. The display substrate includes a plurality of repeat units. Each of the plurality of repeat units includes one first-color sub-pixel, one second-color sub-pixel pair and one third-color sub-pixel which are arranged in a first direction, the second-color sub-pixel pair includes two second-color sub-pixels arranging in a second direction. Light-emitting layers of adjacent sub-pixels of two different colors in the first direction are connected with each other; light-emitting layers of the third-color sub-pixel and the second-color sub-pixel which are adjacent to each other in the second direction are connected with each other; and a spacing is disposed between the light-emitting layer of the first-color sub-pixel and the light-emitting layer of at least one of the second-color sub-pixel and the third-color sub-pixel which are adjacent to the first-color sub-pixel in the second direction.Type: GrantFiled: May 14, 2019Date of Patent: September 20, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Fengli Ji, Chang Luo, Jianpeng Wu, Lujiang Huangfu
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Publication number: 20220254285Abstract: A display panel, comprising a first insulating structural layer, a first crack detection line, a second insulating structural layer and a second crack detection line which are sequentially arranged on a substrate, wherein the first crack detection line and the second crack detection line are both located in a peripheral area and are arranged around a display area, one end of the first crack detection line is configured to receive a detection signal, and the other end of the first crack detection line is configured to output a first output signal, and one end of the second crack detection line is configured to receive a detection signal and the other end of the second crack detection line is configured to output a second output signal.Type: ApplicationFiled: April 13, 2021Publication date: August 11, 2022Inventors: Yu WANG, Yi ZHANG, Tingliang LIU, Chang LUO, Hao ZHANG, Huijuan YANG, Tinghua SHANG, Yang ZHOU, Pengfei YU, Shun ZHANG, Xiaofeng JIANG, Huijun LI, Linhong HAN
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Publication number: 20220238610Abstract: A display substrate and related devices are provided. The display substrate includes a plurality of first sub-pixels, second sub-pixels and third sub-pixels. In a first direction, the first sub-pixels and the third sub-pixels are arranged alternately to form a plurality of first sub-pixel rows, the second sub-pixels form a plurality of second sub-pixel rows, the first sub-pixel rows and the second sub-pixel rows are arranged alternately in a second direction, connection lines of center points of two first sub-pixels and two third sub-pixels form a first virtual quadrilateral, the two first sub-pixels are located at two vertex angles of the first virtual quadrilateral which are opposite to each other, one second sub-pixel is located within the first virtual quadrilateral, and the first virtual quadrilateral includes two interior angles each being equal to 90° and two interior angles each being not equal to 90°.Type: ApplicationFiled: November 30, 2020Publication date: July 28, 2022Inventors: Qian XU, Tong NIU, Yan HUANG, Guomeng ZHANG, Chang LUO, Jianpeng WU, Peng XU, Fengli JI, Yi ZHANG, Benlian WANG, Ming HU
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Patent number: 11396694Abstract: The present application discloses an evaporation crucible including a crucible body and a plurality of nozzles connected to the crucible body. Each of the plurality of nozzles has an opening on a side distal to the crucible body. The plurality of nozzles include a first nozzle on a first edge of the plurality of nozzles. The first nozzle has a first height relative to a surface of the crucible body on a side proximal to the first edge greater than a second height relative to the surface of the crucible body on a side distal to the first edge.Type: GrantFiled: July 18, 2017Date of Patent: July 26, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Jianpeng Wu, Yinan Liang, Fengli Ji, Chang Luo, Zhongying Yang
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Publication number: 20220216412Abstract: A mask includes a frame, at least one mask sheet, and a shielding plate. The frame includes a plurality of borders. The borders are connected end to end in sequence to form the frame with a first hollow region. A mask sheet includes a pattern region and non-pattern regions. The pattern region includes at least one evaporation hole. The shielding plate includes a plurality of shielding strips. The plurality of shielding strips are arranged crosswise to form a plurality of second hollow regions. Orthogonal projections of the second hollow regions on a plane perpendicular to a thickness direction of the frame are located within a range of an orthogonal projection of the first hollow region on the plane. An inner edge of an orthogonal projection of the frame on the plane is located within a range of an orthogonal projection of the shielding plate on the plane.Type: ApplicationFiled: December 24, 2020Publication date: July 7, 2022Inventors: Yuanqi ZHANG, Sen DU, Chang LUO, Fengli JI, Xiaoyu YANG, Qian XU
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Publication number: 20220205076Abstract: A mask sheet for evaporation on a substrate is provided, and the mask sheet includes: a plurality of first ribs extending in a first direction; and a plurality of second ribs extending in a second direction intersecting the first direction, the mask sheet includes a first region for an evaporation of a first exposure region of the substrate and a second region for an evaporation of a second exposure region of the substrate, a third rib is provided at a boundary of the first region and the second region so as to shield an overlapping exposure region between the first exposure region and the second exposure region, the third rib includes a first sub-rib, a second sub-rib, and a spacer for separating the first sub-rib and the second sub-rib, and the third rib has a width greater than that of the first rib.Type: ApplicationFiled: December 25, 2020Publication date: June 30, 2022Inventors: Tong Niu, Fengli Ji, Chang Luo, Qian Xu, Guomeng Zhang, Yan Huang, Jianbo Li
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Publication number: 20220197439Abstract: A touch structure and a touch display panel are provided. The touch structure includes a first touch; the first touch electrode includes a plurality of first touch electrode portions connected in series, each of the first touch electrode portions includes a first main body portion and a plurality of first finger portions, and the plurality of first finger portions protrude from the first main body portion; at least one first finger portion of at least one of the plurality of first touch electrode portions includes a first finger effective electrode and a first finger dummy electrode, the first finger dummy electrode is insulated from the first finger effective electrode, and the first finger effective electrode is connected with the first main body portion.Type: ApplicationFiled: June 30, 2020Publication date: June 23, 2022Inventors: Fan HE, Kemeng TONG, Cong FAN, Xiangdan DONG, Shun ZHANG, Ping WEN, Yi ZHANG, Yu WANG, Siyu WANG, Tingliang LIU, Chang LUO
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Publication number: 20220189377Abstract: A display substrate and a display panel are disclosed. The display substrate includes a base substrate having an active area and a peripheral area surrounding the active area; a plurality of sub-pixels, in the active area; a plurality of first pins and a plurality of second pins located in the peripheral area; a plurality of first array test pins located between the plurality of first pins and the plurality of second pins and respectively electrically coupled to a plurality of array test signal lines; and a plurality of second array test pins located between the plurality of first pins and the plurality of second pins and extending in a direction along a boundary of the active area, wherein the plurality of first array test pins are located on at least one side of the plurality of second array test pins in the direction along the boundary of the active area.Type: ApplicationFiled: July 8, 2020Publication date: June 16, 2022Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Chang Luo, Tinghua Shang, Huijuan Yang, Yang Zhou, Pengfei Yu, Shun Zhang, Linhong Han, Meng Zhang, Hao Zhang, Xiaofeng Jiang, Huijun Li, Yupeng He, Xin Zhang
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Patent number: 11319625Abstract: An embodiment of the present application provides a preparation method of a mask assembly, including: fixing, after stretching and aligning a blocking, the blocking on a side of a frame; opening at least one stretching align hole and at least one evaporation align mark in the fixed blocking and frame; fixing, after stretching and aligning a mask sheet, the mask sheet on a side of the blocking away from the frame according to the stretching align hole; and opening at least one evaporation align mark in the fixed mask sheet to obtain the mask assembly.Type: GrantFiled: February 27, 2020Date of Patent: May 3, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chang Luo, Xiaoyu Yang, Fengli Ji
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Publication number: 20220129134Abstract: A touch structure includes first touch units and second touch units located in a touch area, first conductive lines and at least one second conductive line. Each first conductive line is connected to one first touch unit and led out from a third peripheral sub-area. Each second conductive line is connected to one second touch unit, led out from a first peripheral sub-area and passes through the third peripheral sub-area. Part of the second conductive line located in the third peripheral sub-area is further away from the touch area than part of the first conductive lines located in the third peripheral sub-area. At least one first conductive line is further away from the touch area in a first direction than another first conductive line, and lead-out position of the at least one first conductive line is closer to a second peripheral sub-area than that of the another first conductive line.Type: ApplicationFiled: August 31, 2021Publication date: April 28, 2022Inventors: Gukhwan SONG, Youngyik KO, Ping WEN, Yi ZHANG, Tingliang LIU, Chang LUO, Shun ZHANG, Yuanqi ZHANG
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Publication number: 20220069027Abstract: A display panel and a display device are provided. The display panel includes a first color sub-pixels and a second color sub-pixel. The first color sub-pixel includes a first effective light emitting region, the second color sub-pixel includes a second effective light emitting region, an area of the second effective light emitting region is smaller than that of the first effective light emitting region. The first color sub-pixel includes a first color light emitting layer, the second color sub-pixel includes a second color light emitting layer, an area ratio between orthographic projections of the first color light emitting layer and the first effective light emitting region on the base substrate is less than an area ratio between orthographic projections of the second color light emitting layer and the second effective light emitting region on the base substrate.Type: ApplicationFiled: June 23, 2021Publication date: March 3, 2022Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongli WANG, Chang LUO, Lei CHEN, Kening ZHENG, Chen XU
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Publication number: 20220064780Abstract: A mask assembly includes a mesh mask, a frame connected to a periphery of the mesh mask, and at least one support bar. The at least one support bar and the frame support the mesh mask together. Each support bar has a first end fixed to one side portion of the frame and a second end fixed to another side portion of the frame.Type: ApplicationFiled: August 11, 2020Publication date: March 3, 2022Inventors: Qian XU, Jianpeng WU, Chang LUO, Fengli JI
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Patent number: 11264430Abstract: A pixel arrangement structure are provided, which includes a plurality of repeating units. Each of the plurality of repeating units includes two first sub-pixels, one second sub-pixel, and one third sub-pixel. Each of the first sub-pixel, the second sub-pixel and the third sub-pixel includes a pixel defining layer, the pixel defining layer includes a pixel defining layer opening to define an effective light emitting region of each sub-pixel; a plurality of first sub-pixels are arranged along the second direction to form a plurality of first sub-pixel groups, orthographic projections of pixel defining layer openings of the first sub-pixels in adjacent ones of the plurality of first sub-pixel groups on a straight line parallel to the second direction do not overlap each other.Type: GrantFiled: October 11, 2019Date of Patent: March 1, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lujiang Huangfu, Libin Liu, Fengli Ji, Xiaodan Jin, Yinan Liang, Mei Li, Jie Zhang, Chang Luo, Jianpeng Wu, Hongli Wang
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Patent number: 11257869Abstract: A pixel arrangement structure is disclosed including a plurality of repeatedly arranged groups of sub-pixels. Each group of sub-pixels includes: one first sub-pixel and two second sub-pixels sequentially arranged in an i-th column, i being a natural number; two third sub-pixels and one first sub-pixel sequentially arranged in an (i+1)-th column; two second sub-pixels and one first sub-pixel sequentially arranged in an (i+2)-th column; and one first sub-pixel and two third pixels sequentially arranged in an (i+3)-th column. Also disclosed is a display panel including pixels arranged in accordance with the pixel arrangement structure, a display device including the display panel, and a set of masks for vapor-depositing an organic luminescent material in fabricating an organic luminescent display panel.Type: GrantFiled: March 13, 2018Date of Patent: February 22, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chang Luo, Zhongying Yang, Jianpeng Wu
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Publication number: 20220020829Abstract: A display substrate and a mask plate assembly includes a base substrate, a pixel defining layer, a functional layer, a cathode layer, and a covering layer that are sequentially stacked in a direction away from the base substrate, wherein the size of orthographic projection of the functional layer on the base substrate is jointly determined by the size of a display area and a first minimum distance. The first minimum distance is the minimum distance in a direction from the display area to a non-display area and between the boundary of the display area and the boundary of the functional layer, and is determined by a first shadow width of the functional layer extending from the display area to the non-display area. The first shadow width is the maximum width of a shadow area formed within a preset region when the functional layer is vapor deposited in the preset region.Type: ApplicationFiled: August 18, 2020Publication date: January 20, 2022Inventors: Yongjie Song, Fengli Ji, Chang Luo, Jianpeng Wu, Yi Ma, Xiaoyu Yang, Sen Du
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Publication number: 20220002859Abstract: A mask, a manufacturing method therefor, and a manufacturing method for a display substrate are provided. The mask includes: a first clamping region and a second clamping region, which are opposite to each other in a first direction, and at least one mesh region between the first clamping region and the second clamping region, the mesh region is in a first shape, in a case where the mask is stretched in the first direction, the mesh region is in a target shape, the target shape is different from the first shape, and the target shape includes a polygon shape, a circle shape, or an ellipse shape.Type: ApplicationFiled: October 16, 2019Publication date: January 6, 2022Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chang LUO, Fengli JI, Jianpeng WU, Zhongying YANG
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Publication number: 20210408181Abstract: An array substrate, a manufacturing method thereof, and a display device are provided. The array substrate includes: a base substrate; a light-emitting functional layer including a first light-emitting functional portion and a second light-emitting functional portion adjacent to each other; and a photo spacer (PS), the PS is located between the first light-emitting functional portion and the second light-emitting functional portion, the PS includes a plurality of protrusions protruded in a direction away from the base substrate and a first recess located between adjacent protrusions.Type: ApplicationFiled: May 14, 2019Publication date: December 30, 2021Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chang LUO, Fengli JI, Jianpeng WU