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公开(公告)号：US20240304631A1
公开(公告)日：2024-09-12
申请号：US18020601
申请日：2022-05-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hongwei TIAN , Yanan NIU , Jing WANG , Ran LI , Xueyan TIAN , Zheng LIU , Libin LIU , Shiming SHI
IPC: H01L27/12 , G06V40/13 , G09G3/3225
CPC classification number: H01L27/1225 , H01L27/127 , G06V40/1318 , G09G3/3225 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/08
Abstract: Provided is a drive backplane. The drive backplane includes: a base substrate and a circuit structure. The circuit structure includes a plurality of first thin film transistors and a plurality of second thin film transistors; wherein a first active layer of the first thin film transistor includes a first oxide layer and a second oxide layer, wherein the second oxide layer is disposed on a side of the first oxide layer away from the base substrate, a mobility of the second oxide layer is lower than a mobility of the first oxide layer, and a source and a drain of the first thin film transistor are connected to the second oxide layer; and a second active layer of the second thin film transistor includes a third oxide layer, wherein a mobility of the third oxide layer is lower than the mobility of the first oxide layer.
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2.发明申请公开(公告)号：US20220129659A1
公开(公告)日：2022-04-28
申请号：US17504372
申请日：2021-10-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jing WANG , Ming LIU , Zheng LIU , Hongwei TIAN , Yibing FAN , Jia ZHAO
Abstract: An optical fingerprint sensor is provided. The optical fingerprint sensor includes a backplate structure layer, a pixel defining layer, and an organic photoelectric sensing layer, wherein the pixel defining layer is disposed on a side of the backplate structure layer; and a non-pixel region of the pixel defining layer is provided with a first non-pixel hole, and the organic photoelectric sensing layer is disposed in the first non-pixel hole.
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公开(公告)号：US20210375952A1
公开(公告)日：2021-12-02
申请号：US16641372
申请日：2019-05-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongwei TIAN , Yanan NIU , Meng ZHAO , Lei WANG , Zheng LIU
IPC: H01L27/12
Abstract: Embodiments of the present disclosure provide an array substrate including a base substrate, an active layer on the base substrate, a first gate insulating layer on the active layer, a first gate on the first gate insulating layer, and a second gate insulating layer on the first gate. The second gate insulating layer includes a first sub-insulating layer and a second sub-insulating layer disposed in a direction away from the active layer, and a hydrogen content of the first sub-insulating layer is larger than a hydrogen content of the second sub-insulating layer. A method for fabricating the array substrate and a display panel including the array substrate are also provided.
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4.发明申请公开(公告)号：US20210226164A1
公开(公告)日：2021-07-22
申请号：US16770916
申请日：2019-12-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongwei TIAN , Yanan NIU , Chunyan XIE , Chunyang WANG , Dong LI , Zheng LIU , Ming LIU
Abstract: The present disclosure provides an organic light-emitting diode display substrate and a manufacturing method thereof. The manufacturing method includes: sequentially forming a first electrode, a light-emitting layer and a second electrode on a base substrate; forming a protection layer having a first opening on a side of the second electrode distal to the base substrate; and forming a second opening in the second electrode, the second opening being located below the first opening. In the present disclosure, with the protection layer, only a portion of the second electrode below the first opening is removed, so that other portions of the second electrode are prevented from being damaged, thereby eliminating a poor display of the display device.
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公开(公告)号：US20180090064A1
公开(公告)日：2018-03-29
申请号：US15521564
申请日：2016-08-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying LIU , Chenggeng ZHANG , Zhaohui MENG , Hongwei TIAN , Juanjuan BAI , Meng SHAO , Wen SUN , Can ZHENG , Hualing YANG
IPC: G09G3/3233
Abstract: A method, a circuit and a display device for driving an organic light emitting diode, wherein a driving transistor (DTFT) for driving a display element is turned off by jumping one or more of a reference voltage input (Vref), a reset voltage input (Vinit) and a data signal input (Vdata) before beginning to output an EL high level (ELVDD) of a pixel compensation circuit and after beginning to output an EL low level (ELVSS), to overcome the splash screen phenomenon during power-up and direct current-direct current driving failure.
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Patent Agency Ranking
公开(公告)号：US20170227842A1
公开(公告)日：2017-08-10
申请号：US15193992
申请日：2016-06-27
Inventor： Chaobo ZHANG , Liangliang LIU , Hongwei TIAN , Nini BAI , Shuai HAN , Feng KANG , Liang TANG , Chuoluopeng , Tiangui MIN
CPC classification number: G03F1/52 , G03F1/38 , G03F7/70283 , G03F7/70308 , G03F7/70325
Abstract: The present invention provides a mask plate, relating to a field of exposure technology, which can solve the problem of an existing mask plate that a resolution is limited by an effect of diffraction. The mask plate of the invention includes: a pattern structure, including a light blocking region and a light transmitting region; and a total reflection structure provided at an light-exiting side of the pattern structure, the total reflection structure including a high refraction layer and a first low refraction layer sequentially provided in a direction away from the pattern structure and contacting each other, wherein a refractive index of the high refraction layer is greater than a refractive index of the first low refraction layer.
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公开(公告)号：US20250040317A1
公开(公告)日：2025-01-30
申请号：US18272570
申请日：2022-06-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yanan NIU , Yan QU , Dongni LIU , Jinqian WANG , Jing NIU , Tingting ZHOU , Shuang SUN , Bin QIN , Hongwei TIAN , Fangzhen ZHANG , Wei WANG
Abstract: The present disclosure provides a display apparatus and a display panel. The display panel includes: a drive backplate, including a substrate and a drive circuit layer on the substrate, where the drive circuit layer includes drive circuit regions arranged at intervals and transparent regions around the drive circuit regions, the transparent region includes concave parts, and a number of layers in the respective concave parts of the drive circuit layer is less than a number of layers in the respective drive circuit regions; a side of the drive circuit regions of the drive circuit layer away from the substrate includes pads for connecting a light-emitting unit; a light-transmissive glue for filling the concave parts, and a surface of the light-transmissive glue away from the substrate is on a side of the pads away from the substrate. The present disclosure can improve display effect.
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公开(公告)号：US20250008757A1
公开(公告)日：2025-01-02
申请号：US18291905
申请日：2023-05-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jing WANG , Hongwei TIAN , Ran LI , Shantao CHEN
IPC: H10K39/34 , H10K59/12 , H10K59/121 , H10K59/124 , H10K59/80
Abstract: The present disclosure provides a display substrate and a method for manufacturing the same, and a display apparatus, belonging to the field of displaying technologies. The display substrate includes a base substrate, and a circuit layer, and has an island area, a hole area and a bridge area. The circuit layer includes a driving circuit located in the island area, a via hole located in the hole area, and at least one photoelectric sensor that is electrically connected to the driving circuit. The photoelectric sensor includes a first electrode layer, a photoelectric structure layer and a second electrode layer which are laminated. The photoelectric sensor is located in the island area or the bridge area.
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公开(公告)号：US20230051536A1
公开(公告)日：2023-02-16
申请号：US17789429
申请日：2021-09-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongwei TIAN , Yanan NIU , Bingwei WANG , Hejin WANG , Yang YU , Zheng LIU
Abstract: The present disclosure provides a display substrate and a display apparatus, belonging to the field of display technology. The present disclosure provides a display substrate, having a plurality of island regions, bridge regions and clearance regions. The display substrate includes: at least one base including a sub-base and a buffer layer. The sub-base includes a first surface and a second surface opposite to each other, and the buffer layer is disposed on a side of the second surface of the sub-base away from the first surface. In the at least one base, the sub-base of any base has a same orientation. At least one first opening is provided at a position of the buffer layer of the at least one base corresponding to each island region.
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公开(公告)号：US20220102690A1
公开(公告)日：2022-03-31
申请号：US17356380
申请日：2021-06-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jing WANG , Hongwei TIAN , Ming LIU , Ziang HAN , Zunqing SONG
Abstract: A method for manufacturing a display backplane, a display backplate, and a display device are disclosed. The method includes: forming a planarization layer on one side of a substrate inside a pixel region, a partition region, and a perforation region; forming at least one girdle of annular passivation layer disposed around the perforation region on a surface, away from the substrate, of the planarization layer inside a portion of the partition layer; removing a portion of the planarization layer, inside the partition region, uncovered by the annular passivation layer and the planarization layer, inside the partition region, partially covered by the annular passivation layer, to obtain at least one girdle of annular isolation columns disposed between the substrate and the annular passivation layer and around the perforation region; and forming organic light-emitting elements on one side of the planarization layer away from the substrate to obtain the display backplane.
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