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公开(公告)号：US11271030B2
公开(公告)日：2022-03-08
申请号：US16965941
申请日：2020-01-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD. , KA IMAGING INC.
Inventor： Gang Hua , Chuncheng Che , Cheng Li , Jian Wang , Yanna Xue , Yong Zhang , Chia Chiang Lin
IPC: G01T1/20 , H01L27/146
Abstract: A detection panel and a manufacturing method thereof are disclosed. The detection panel includes a first substrate and a second substrate, and the first substrate includes a light detection layer; the second substrate includes a drive circuit; the first substrate and the second substrate are opposite to each other for cell assembly, and the drive circuit is coupled to the light detection layer to read a photosensitive signal generated by the light detection layer.
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公开(公告)号：US12293737B2
公开(公告)日：2025-05-06
申请号：US18569671
申请日：2021-06-24
Inventor： Shoujin Cai , Cheng Li , Chuncheng Che , Feng Liu , Tiansheng Li , Lin Zhou , Jie Zhang , Jin Cheng , Ziran Liu , Yingzi Wang
IPC: G09G3/36 , G09G3/3266
Abstract: A touch substrate, a display apparatus and a display system are provided. By rearranging and distributing transistors in each shift register, the number of transistors in a lateral direction is less than that of transistors in a longitudinal direction. That is a circuit structure of the shift register is designed to extend longitudinally, so that a size of the shift register in the lateral direction can be reduced, a narrow frame design is realized, and seamless splicing is favorably realized in a large-sized display panel.
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公开(公告)号：US12175043B2
公开(公告)日：2024-12-24
申请号：US18565136
申请日：2021-06-03
Inventor： Shoujin Cai , Cheng Li , Chuncheng Che , Feng Liu , Tiansheng Li , Lin Zhou , Kunjing Chung , Dexi Kong , Yingzi Wang
IPC: G06F3/042 , G02F1/1333 , G02F1/1335 , H01L31/0376
Abstract: A touch substrate, a display apparatus and a display system are provided. The touch substrate includes a base substrate including a photosensitive region; a plurality of photosensitive pixels in an array in the photosensitive region, each photosensitive pixel includes one non-visible light sensor, and a ratio of a side length of each photosensitive pixel to a distance between the non-visible light sensors of two adjacent photosensitive pixels is in a range from 25:24 to 12:11; and a plurality of bias lines on a side of the plurality of non-visible light sensors away from the base substrate, the plurality of bias lines include a plurality of first bias lines and a plurality of second bias lines crossing with each other, and at least one of the plurality of first bias lines and the plurality of second bias lines is electrically connected to each non-visible light sensor.
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公开(公告)号：US12125310B2
公开(公告)日：2024-10-22
申请号：US18381451
申请日：2023-10-18
Inventor： Yajie Feng , Cheng Li , Yue Geng , Kuiyuan Wang , Zefei Li , Chaoyang Qi , Yi Dai , Xiaoguan Li , Yingzi Wang
IPC: G06V40/13 , H01L23/552 , H01L27/146
CPC classification number: G06V40/1318 , H01L23/552 , H01L27/14603 , H01L27/14612 , H01L27/1462 , H01L27/14623 , H01L27/14636 , H01L27/14678
Abstract: An optical sensor array substrate and an optical fingerprint reader are provided. The optical sensor array substrate includes a substrate including a detection area which includes a plurality of photosensitive pixels. Photosensitive pixel includes: a TFT arranged on the substrate; a storage capacitor arranged on the substrate and having a first capacitor plate, and a second capacitor plate electrically connected to the source or drain of the TFT; a photosensitive element, having one end electrically connected to the second capacitor plate; a first electrode layer electrically connected to another end of the photosensitive element. On the substrate, an orthographic projection of the second capacitor plate at least partially overlaps with that of the first electrode layer, and the first capacitor plate is located in the same layer and has the same material as the gate of the TFT.
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公开(公告)号：US11822024B2
公开(公告)日：2023-11-21
申请号：US17462029
申请日：2021-08-31
Inventor： Dexi Kong , Cheng Li , Kunjing Chung , Lin Zhou , Jingjie Su , Jie Zhang , Tiansheng Li , Ziran Liu , Jin Cheng
CPC classification number: G01T1/175 , G01T1/20184 , H04N5/32
Abstract: Provided is a pixel sensing circuit, including a signal generation sub-circuit, a reset sub-circuit, an amplification sub-circuit, and a read sub-circuit. The reset sub-circuit is configured to provide a signal of a first power supply line to a first node under control of a reset signal line. The signal generation sub-circuit is configured to detect a light signal and convert the detected light signal into an electrical signal. The amplification sub-circuit is configured to provide an amplified electrical signal to a second node according to a signal provided by a second power supply line and under control of the first node. The read sub-circuit is configured to output the amplified electrical signal to a signal read line under control of a scan signal line.
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Patent Agency Ranking
公开(公告)号：US11728435B2
公开(公告)日：2023-08-15
申请号：US17845568
申请日：2022-06-21
Inventor： Yanqing Chen , Jianyun Xie , Wei Li , Cheng Li , Pan Guo , Yanfeng Li , Weida Qin , Ning Wang
IPC: H01L29/786 , H01L27/12 , H01L23/552
CPC classification number: H01L29/78633 , H01L23/552 , H01L27/1259
Abstract: The embodiments of the present disclosure provide an array substrate and a method for manufacturing the same, and a display device. The array substrate includes a substrate, wherein the substrate has a display region and a peripheral region surrounding the display region, the display region has a plurality of pixels arranged in an array, and each of the plurality of pixels includes a light transmission region and a light shielding region, and a light shielding block covering at least a part of the light transmission region of at least one pixel close to the peripheral region of the plurality of pixels.
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公开(公告)号：US20230177866A1
公开(公告)日：2023-06-08
申请号：US17437229
申请日：2020-11-30
Inventor： Yajie Feng , Cheng Li , Yue Geng , Kuiyuan Wang , Zefei Li , Chaoyang Qi , Yi Dai , Xiaoguan Li , Yingzi Wang
IPC: G06V40/13 , H01L23/552 , H01L27/146
CPC classification number: G06V40/1318 , H01L23/552 , H01L27/14603 , H01L27/14612 , H01L27/1462 , H01L27/14623 , H01L27/14636 , H01L27/14678
Abstract: An optical sensor array substrate and an optical fingerprint reader are provided. The optical sensor array substrate includes a substrate including a detection area which includes a plurality of photosensitive pixels. Photosensitive pixel includes: a TFT arranged on the substrate; a storage capacitor arranged on the substrate and having a first capacitor plate, and a second capacitor plate electrically connected to the source or drain of the TFT; a photosensitive element located on one side of the storage capacitor away from the substrate, and having one end electrically connected to the second capacitor plate; a first electrode layer located on one side of the photosensitive element away from the substrate and electrically connected to another end of the photosensitive element. An orthographic projection of the second capacitor plate on the substrate at least partially overlaps with an orthographic projection of the first electrode layer on the substrate.
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公开(公告)号：US11237281B2
公开(公告)日：2022-02-01
申请号：US16526852
申请日：2019-07-30
Inventor： Xiangmi Zhan , Xuecheng Hou , Cheng Li
Abstract: A flat-panel detector includes: a ray-conversion layer configured to convert rays into a light having a first wavelength; and a plurality of imaging units. At least one of the plurality of imaging units includes: a photo sensor configured for receiving the light and converting the light to an electrical signal; and a light guider located a side of the photo sensor adjacent to the ray-conversion layer, the light guider having a light entry surface adjacent to the ray-conversion layer and a light exit surface adjacent to the photo sensor, the light entry surface being configured to receive the light from the ray-conversion layer and having an area greater than an area of the light exit surface, and an orthogonal projection of the light exit surface in a direction perpendicular to the ray-conversion layer at least partially overlapping that of the photo sensor.
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公开(公告)号：US09651838B2
公开(公告)日：2017-05-16
申请号：US14906350
申请日：2015-07-16
Inventor： Yun Qiao , Jian Sun , Cheng Li , Seongjun An
IPC: H01L29/04 , G02F1/1362 , G09G3/36 , H01L27/02 , H01L27/12
CPC classification number: G02F1/136204 , G02F1/1362 , G02F1/136209 , G02F1/13624 , G02F1/136286 , G09G3/3648 , G09G3/3659 , G09G2300/043 , G09G2330/023 , H01L27/0255 , H01L27/124 , H01L27/127 , H01L29/78633
Abstract: The invention provides an array substrate and a manufacturing method thereof, a display panel and a display device, the array substrate includes a base substrate, and a data line, a switching device and a voltage compensation module arranged on the base substrate, the switching device is connected between the data line and the voltage compensation module so that the data line is electrically connected to the voltage compensation module when a voltage on the data line is lower than a preset low voltage or higher than a preset high voltage. The array substrate uses a PN junction as the switching device between the data line and the voltage compensation module, and due to a low leakage current between a P terminal and an N terminal of the PN junction, the power consumption of the array substrate can be reduced.
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公开(公告)号：US20150145812A1
公开(公告)日：2015-05-28
申请号：US14345050
申请日：2013-11-11
Inventor： Jian Sun , Fuqiang Li , Cheng Li
IPC: G06F3/044
CPC classification number: G06F3/044 , G06F3/0412 , G06F2203/04112
Abstract: An array substrate, a touch screen panel and a display device are provided. The array substrate includes a plurality of gate lines, a plurality of data lines, a plurality of touch sensing units, and each touch sensing unit comprises a touch scanning line, a touch sensing line, a first transistor and a sensing electrode, the touch scanning line is connected with a gate electrode and a drain electrode of the first transistor and the sensing electrode is connected with a source electrode of the first transistor; the touch sensing line and the sensing electrode are provided in different layers, spaced apart by an insulating layer and have an overlapping region. This array substrate decreases areas of non-display regions on the array substrate, increases aperture ratio of the touch screen panel and in turn enhances brightness of the display device.
Abstract translation: 提供阵列基板，触摸屏面板和显示装置。 阵列基板包括多个栅极线，多个数据线，多个触摸感测单元，并且每个触摸感测单元包括触摸扫描线，触摸感测线，第一晶体管和感测电极，触摸扫描 线与第一晶体管的栅电极和漏极连接，感测电极与第一晶体管的源极连接; 触摸感测线和感测电极设置在不同的层中，由绝缘层隔开并具有重叠区域。 该阵列基板减少阵列基板上的非显示区域的面积，提高触摸屏面板的开口率，进而提高显示装置的亮度。
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