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公开(公告)号：US20210323095A1
公开(公告)日：2021-10-21
申请号：US16345835
申请日：2018-11-07
发明人： Hongwei HU , Wanmei QING , Yanxia XIN , Mingyin YU , Jianmin SHE , Xueping LI , Ying CAO , Qiao FENG
IPC分类号： B23K26/38 , B23K26/06 , B23K26/082 , B23K26/0622
摘要： A laser processing device and a laser processing method are provided. The laser processing device includes: at least two lasers each configured to generate a laser beam; focusing members corresponding to the at least two lasers respectively and configured to adjust focus positions of at least two laser beams generated by the at least two lasers; and a beam combination member configured to receive the at least two laser beams whose focus positions have been adjusted, and output the at least two laser beams coaxially.
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公开(公告)号：US20220102456A1
公开(公告)日：2022-03-31
申请号：US16771646
申请日：2020-01-06
发明人： Zheng BAO , Yaqin XIA , Yanxia XIN , Gong CHEN , Hongwei HU , Yihao WU , Xueping LI
摘要： The present application discloses embodiments of a display panel, a preparation method thereof, a detection method thereof, and a display device for improving an accuracy of detecting electrical properties of transistors. In one embodiment, a display panel may include a display area including a plurality of pixels and a non-display area surrounding the display area, wherein each of the plurality of pixels may include a display pixel circuit, and the non-display area may include one or more test pixel circuits, each of the one or more test pixel circuits having an equivalent circuit structure to the display pixel circuit, where the one or more test pixel circuits may include a plurality of transistors, and electrodes of at least one of the plurality of transistors may be respectively conductively coupled to different test pads.
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公开(公告)号：US20210408076A1
公开(公告)日：2021-12-30
申请号：US16769364
申请日：2019-06-27
发明人： Zheng BAO , Hongwei HU , Yanxia XIN , Xueping LI , Yihao WU , Gong CHEN , Peng XU
IPC分类号： H01L27/12 , G02F1/1345
摘要： Embodiments of the present disclosure provide a display substrate, a display panel, a display device, and a manufacturing method of the display substrate. The display substrate includes a display region and a peripheral region located at an outer side of the display region, and the peripheral region includes a bonding region. The display substrate includes: a base substrate, and a first metal pattern and a second metal pattern which are provided on the base substrate and located in the bonding region, the second metal pattern covers at least a portion of at least one side surface of the first metal pattern, and an activity of a metal of the second metal pattern is weaker than an activity of a metal of the first metal pattern.
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公开(公告)号：US20220320240A1
公开(公告)日：2022-10-06
申请号：US17425733
申请日：2021-01-25
发明人： Zheng BAO , Gong CHEN , Kangguan PAN , Yanxia XIN , Hongwei HU , Xueping LI , Yihao WU , Xiaoyun WANG , Yong ZHUO , Zhongqian GUO
IPC分类号： H01L27/32
摘要： A display panel includes a substrate, a plurality of data lines, at least one circle of barrier wall structure, and a connector. The substrate includes a display area, and a peripheral area which surrounds the display area and includes a fan-out area. The plurality of data lines are located on one side of the substrate and in the display area, extending from the display area to the fan-out area. The at least one circle of barrier wall structure surrounds the display area, and at least a part of the at least one circle of barrier wall structure is located in the fan-out area. The connector is located between the plurality of data lines and the barrier wall structure, and one end, away from the substrate, of the connector extends into the barrier wall structure to fasten the barrier wall structure.
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5.发明公开公开(公告)号：US20230171998A1
公开(公告)日：2023-06-01
申请号：US17921898
申请日：2021-06-01
发明人： Yong ZHUO , Yanxia XIN , Hongwei HU , Zheng BAO , Xueping LI , Yihao WU , Xiaoyun WANG , Zhongqian GUO
IPC分类号： H10K59/121 , H10K71/70 , H10K59/12 , H10K59/131
CPC分类号： H10K59/1213 , H10K71/70 , H10K59/1216 , H10K59/1201 , H10K59/131
摘要： Provided are a display substrate, a testing method therefor and a preparation method therefor, and a display panel, which are used for improving the success rate of transistor testing. The display substrate comprises a base substrate and a pixel circuit, wherein the pixel circuit comprises an active layer, a first gate insulating layer, a first gate electrode layer, a second gate insulating layer, a second gate electrode layer, a first interlayer insulating layer, a source/drain electrode layer, and a second interlayer insulating layer. The pixel circuit is divided into a plurality of transistors, and further comprises a gate electrode contact hole and a source/drain electrode contact hole. The source/drain electrode layer comprises a gate electrode test pad which is electrically connected to the first gate electrode layer by means of the gate electrode contact hole, and a source electrode and a drain electrode which are electrically connected to the active layer by means of the source/drain electrode contact hole. The second interlayer insulating layer is provided with a gate electrode test hole and a source/drain electrode test hole, wherein the gate electrode test hole exposes the gate electrode test pad, and the source/drain electrode test hole exposes part of an area in the source/drain electrode layer other than the gate electrode test pad.
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公开(公告)号：US20210036085A1
公开(公告)日：2021-02-04
申请号：US16766613
申请日：2019-05-23
发明人： Hongwei HU , Yanxia XIN , Xueping LI , Zheng BAO , Yihao WU , Peng XU , Donghong LIU
摘要： An OLED display substrate, a display panel, a display device, a manufacturing method and a fingerprint identification module are provided. The OLED display substrate includes a microporous light-shielding pattern arranged between adjacent pixel regions and including a plurality of pinholes. The microporous light-shielding pattern is arranged at a same layer as, and insulated from, a nontransparent electrode of the OLED display substrate.
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