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公开(公告)号：US20240319530A1
公开(公告)日：2024-09-26
申请号：US18027930
申请日：2022-05-27
申请人： Shandong Lanbeisite Educational Equipment Group , Beijing BOE Optoelectronics Technology Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Yu ZHAO , Xiaojuan WU , Yang GE , Jian WANG , Jiaxing WANG , Xiuliang WANG , Tianyang HAN
IPC分类号： G02F1/1333 , G02F1/1343 , G02F1/139 , G06F3/041 , G06F3/046
CPC分类号： G02F1/13338 , G02F1/134309 , G02F1/1391 , G06F3/0416 , G06F3/046
摘要： Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a first base plate and a second base plate that are oppositely disposed, and a liquid crystal layer disposed between the first base plate and the second base plate, wherein the liquid crystal layer includes bistable liquid crystal molecules; the first base plate includes: a first substrate, and an electromagnetic touch layer and a pixel electrode layer that are disposed on a side of the first substrate, wherein the electromagnetic touch layer is provided with a plurality of electromagnetic signal lines, each two adjacent electromagnetic signal lines being connected in series; and the second base plate includes: a second substrate, and a common electrode layer that is disposed on a side of the second substrate.
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公开(公告)号：US20240272467A1
公开(公告)日：2024-08-15
申请号：US18019244
申请日：2022-01-29
申请人： BOE Technology Group Co., Ltd. , Beijing BOE Optoelectronics Technology Co., Ltd. , Shandong Lanbeisite Educational Equipment Group
发明人： Jiaxing WANG , Jian WANG , Xiaojuan WU , Hongliang YUAN , Xiuliang WANG , Yao BI , Jinshuai DUAN , Feng LIU , Cuiyu CHEN , Yang GE , Zhilong DUAN , Zhiqiang YU , Tianyang HAN
IPC分类号： G02F1/1333 , G02F1/1335 , G02F1/1343 , G02F1/1347 , G02F1/1368 , G02F1/139
CPC分类号： G02F1/13338 , G02F1/133305 , G02F1/133512 , G02F1/133514 , G02F1/133528 , G02F1/134309 , G02F1/13439 , G02F1/1347 , G02F1/1368 , G02F1/1391
摘要： Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes a first substrate, a second substrate, a third substrate, a first liquid crystal layer, and a second liquid crystal layer; wherein the first substrate includes: a first base, and a first pixel electrode and a transparent electrode, wherein the first pixel electrode is insulated from the transparent electrode, and the first pixel electrode is closer to the second substrate than the transparent electrode is; wherein the first substrate, the first liquid crystal layer and the second substrate are configured to form a display portion of the liquid crystal handwriting board; and the first substrate, the second liquid crystal layer and the third substrate are configured to form a writing portion of the liquid crystal handwriting board.
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公开(公告)号：US20240210747A1
公开(公告)日：2024-06-27
申请号：US18554971
申请日：2023-02-10
申请人： Beijing BOE Optoelectronics Technology Co., Ltd. , BOE Technology Group Co., Ltd. , Shandong Lanbeisite Educational Equipment Group
发明人： Yang GE , Yu ZHAO , Yong ZHANG , Jian WANG , Xian WANG , Jianwei MA , Lei SHI , Xingxing GUAN , Yashuai AN , Tianyang HAN , Xiuliang WANG
IPC分类号： G02F1/1333 , G02F1/1337
CPC分类号： G02F1/13336 , G02F1/133388 , G02F1/1337
摘要： Provided is an array substrate. The array substrate has a display region and a non-display region disposed on a periphery of the display region. The array substrate includes a substrate and a plurality of patterned film layer structures stacked on the substrate. The plurality of the patterned film layer structures are configured to form a plurality of sub-pixels. The plurality of sub-pixels include a plurality of first sub-pixels within the display region and a plurality of virtual sub-pixels within the non-display region. An area of an orthographic projection of a pixel electrode of the virtual sub-pixel on the substrate is greater than an area of an orthographic projection of a pixel electrode of the first sub-pixel on the substrate.
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4.发明公开公开(公告)号：US20240353726A1
公开(公告)日：2024-10-24
申请号：US18682934
申请日：2021-11-30
发明人： Xiaojuan WU , Xiuliang WANG , Jiaxing WANG , Yu ZHAO , Jian WANG , Yao BI , Jinshuai DUAN , Yang GE , Zhilong DUAN , Zhiqiang YU , Cuiyu CHEN , Feng LIU , Tianyang HAN
摘要： The present disclosure belongs to the technical field of display, and provides an array substrate, a handwriting tablet, a tablet eraser, a handwriting tablet system and a method for erasing a pattern. The array substrate is provided with a handwriting area, and a peripheral area surrounding the handwriting area. The array substrate includes erasing electrodes, which are arranged in an array, and a driving circuit for driving the erasing electrodes, wherein the driving circuit is configured to load, under the irradiation of preset light, an erasing voltage to the erasing electrodes. The array substrate is further provided with an NFC coil, which is used for sending an NFC signal, wherein a sensing range of the NFC coil covers the handwriting area.
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公开(公告)号：US20170162598A1
公开(公告)日：2017-06-08
申请号：US15123228
申请日：2015-09-25
发明人： Qian ZHANG , Tingze DONG , Xiuliang WANG , Xuejiao HUANG , Zhao CHEN
IPC分类号： H01L27/12
CPC分类号： H01L27/124 , G02F1/1337 , G02F1/133707 , G02F1/133784 , G02F1/134309 , G02F1/134336 , G02F2001/133776 , H01L27/1248 , H01L27/127
摘要： A display substrate, a method for fabricating the same, and a display device are disclosed. The display substrate comprises a plurality of pixels; and a plurality of slit patterns, which are arranged between at least two of the plurality of pixels, and comprise a plurality of slits arranged in a rubbing direction. Slit patterns are provided, and each of slit patterns comprises slits in the rubbing direction. Thus, during a rubbing alignment process, the slit patterns can guide a rubbing cloth to move in the rubbing direction. Accordingly, the alignment of the rubbing cloth is prevented from changing in the rubbing process, a good alignment layer is formed, rubbing Mura is avoided, and the lifetime of the rubbing cloth is extended.
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公开(公告)号：US20240231603A1
公开(公告)日：2024-07-11
申请号：US17916019
申请日：2021-09-28
发明人： Xiaojuan WU , Jian WANG , Yu ZHAO , Yang GE , Xian WANG , Jiaxing WANG , Chunnan FENG , Jinshuai DUAN , Xiuliang WANG , Biqi LI , Feng QU
IPC分类号： G06F3/04883 , G02F1/1333 , G02F1/1343 , G06F3/041 , G06F3/046
CPC分类号： G06F3/04883 , G02F1/13338 , G06F3/0412 , G06F3/046 , G02F1/133331 , G02F1/134309
摘要： An array substrate, a panel, a handwriting tablet and a method for driving the same, relate to the field of handwriting tablet technology. The array substrate includes a handwriting area and a peripheral area surrounding the handwriting area; the handwriting area includes a plurality of handwriting sub-areas; wherein the array substrate includes a plurality of NFC coils and a plurality of erasure units. The plurality of NFC coils are arranged in the plurality of handwriting sub-areas in a one-to-one correspondence. The plurality of erasure units are arranged in the plurality of handwriting sub-areas in a one-to-one correspondence.
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7.发明公开公开(公告)号：US20240176178A1
公开(公告)日：2024-05-30
申请号：US18282985
申请日：2022-08-22
发明人： Jiaxing WANG , Hao YAN , Xiaojuan WU , Hongliang YUAN , Jian WANG , Yao BI , Jinshuai DUAN , Yang GE , Zhilong DUAN , Zhiqiang YU , Xianglei QIN , Xiuliang WANG , Xiaofeng YIN
IPC分类号： G02F1/1333 , G02F1/133 , G02F1/1335 , G02F1/1368 , G02F1/139
CPC分类号： G02F1/13338 , G02F1/13318 , G02F1/133512 , G02F1/1368 , G02F1/1391
摘要： Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, a photosensitive assembly, and a control assembly; wherein the liquid crystal panel includes a first substrate and a second substrate that are opposite; the photosensitive assembly includes a plurality of photosensitive elements; and the control assembly is electrically connected to the liquid crystal panel and the photosensitive assembly, and is configured to determine position information of a pixel region for erasure by detecting position information of target light irradiated to the liquid crystal panel by the photosensitive assembly and supply a pixel voltage to the plurality of pixel electrodes in the pixel region for erasure, such that a voltage difference is present between the plurality of pixel electrodes in the pixel region for erasure and the common electrode.
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