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公开(公告)号：US20210406499A1
公开(公告)日：2021-12-30
申请号：US16767867
申请日：2019-06-14
Inventor： Jiabin WANG , Xiaoliang DING , Xueyou CAO , Wenjuan WANG , Jing LIU , Yichi ZHANG , Haisheng WANG , Lei WANG , Yingming LIU , Yingzi WANG
Abstract: A texture image acquisition circuit, a display panel and a texture image acquisition method. The texture image acquisition circuit includes a charge neutralization circuit and a first acquisition circuit, the charge neutralization circuit is electrically connected to the first acquisition circuit, the charge neutralization circuit receives a first control signal to cause a current flowing through the first acquisition circuit to be a first current, and the charge neutralization circuit is configured to receive a second control signal to cause a current flowing through the first acquisition circuit to be a second current, a direction of the second current and a direction of the first current are opposite to each other; the first acquisition circuit is configured to receive light from a texture and accumulate a first signal amount that is acquired after the light from the texture is converted, so as to acquire a first acquisition value.
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22.发明申请公开(公告)号：US20210193694A9
公开(公告)日：2021-06-24
申请号：US16065224
申请日：2017-12-11
IPC: H01L27/12
Abstract: The present disclosure relates to an array substrate, a method for fabricating the same, a display panel, and a display device. The array substrate includes an active layer on a substrate, the active layer including a channel region, source/drain regions and a lightly doped drain region, a gate electrode and a first electrode on the active layer, and a gate electrode and the first electrode a first insulating layer, a barrier and a second electrode on the first insulating layer. A projection of the second electrode on the substrate at least partially overlaps that of the first electrode. A projection of the barrier on the substrate covers that of the lightly doped drain region on the substrate. The projection of the barrier on the substrate does not overlap that of the source/drain regions. The barrier and the second electrode are in the same layer.
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23.发明申请公开(公告)号：US20200372231A1
公开(公告)日：2020-11-26
申请号：US16639309
申请日：2019-09-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yingming LIU , Haisheng WANG , Xiaoliang DING , Xiufeng LI , Pengpeng WANG , Chenyang ZHANG , Yaqian JI , Peixiao LI , Jing LIU , Ruituo WANG , Lei CHEN
Abstract: A fingerprint identification module, a manufacturing method and driving method thereof, and a display device. The fingerprint identification module includes: a driving backplate, including a substrate, identification circuits on the substrate, the identification circuits having a first electrode pad, a second electrode pad; acoustic units including: a first electrode; a piezoelectric film layer positioned on the side, close to the driving backplate, of the first electrode; a second electrode positioned on the side, close to the driving backplate, of the piezoelectric film layer; a first lead-out terminal electrically connected with the first electrode; a second lead-out terminal electrically connected with the second electrode; cavities being in one-to-one correspondence to the acoustic units, the cavities positioned between the second electrodes and the substrate, and one side face, away from the substrate, of cavity being defined by at least one side face, close to the substrate, of the second electrode.
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公开(公告)号：US20200273410A1
公开(公告)日：2020-08-27
申请号：US15781445
申请日：2017-10-25
Inventor： Yong YU , Chuanyan LAN , Jing LIU , Kwang Gyun JANG
IPC: G09G3/3291
Abstract: Provided are an OLED pixel circuit and a driving method thereof, and a display device. The OLED pixel circuit includes: an initialization sub-circuit coupled to a driving sub-circuit, a first signal terminal, a first voltage terminal and an initial voltage terminal, respectively, and configured to initialize the driving sub-circuit; a data writing and compensation sub-circuit coupled to the driving sub-circuit, a scan signal terminal and a data voltage terminal, respectively, and configured to perform threshold voltage compensation for the driving sub-circuit; the driving sub-circuit further coupled to a light-emitting control sub-circuit and the first voltage terminal, and configured to drive a light-emitting sub-circuit to emit light after threshold voltage compensation has been performed.
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公开(公告)号：US20190355759A1
公开(公告)日：2019-11-21
申请号：US16065224
申请日：2017-12-11
IPC: H01L27/12
Abstract: The present disclosure relates to an array substrate, a method for fabricating the same, a display panel, and a display device. The array substrate includes an active layer on a substrate, the active layer including a channel region, source/drain regions and a lightly doped drain region, a gate electrode and a first electrode on the active layer, and a gate electrode and the first electrode a first insulating layer, a barrier and a second electrode on the first insulating layer. A projection of the second electrode on the substrate at least partially overlaps that of the first electrode. A projection of the barrier on the substrate covers that of the lightly doped drain region on the substrate. The projection of the barrier on the substrate does not overlap that of the source/drain regions. The barrier and the second electrode are in the same layer.
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Patent Agency Ranking
公开(公告)号：US20180315375A1
公开(公告)日：2018-11-01
申请号：US15739951
申请日：2017-06-09
Inventor： Chenggeng ZHANG , Nan LU , Yufei WANG , Hualing YANG , Jing LIU
IPC: G09G3/3258 , G09G3/3233
CPC classification number: G09G3/3258 , G09G3/3225 , G09G3/3233 , G09G2310/0291 , G09G2320/0295 , G09G2330/021 , G09G2330/028 , G09G2330/045
Abstract: An apparatus for controlling an EL drive voltage for a display panel is disclosed, which includes a current sensing circuit configured to detect an EL drive current signal outputted to the display panel, and convert the EL drive current signal into a first voltage signal, a signal generation circuit configured to generate a pulse signal based on the first voltage signal, a current protection circuit configured to generate a first control signal based on the first voltage signal and a reference voltage, and a signal coupling circuit configured to output, based on the first control signal, the pulse signal or a low level signal as a second control signal to control the EL drive voltage. According to the embodiments of the present disclosure, the EL drive voltage of the display panel can be dynamically controlled, and be reset to normal when it is overhigh.
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27.发明申请公开(公告)号：US20170018734A1
公开(公告)日：2017-01-19
申请号：US15137571
申请日：2016-04-25
Inventor： Xiang FENG , Jing LIU , Xiangdong WEI , Yun QIU
CPC classification number: H01L51/5253 , B29C41/006 , C08G63/916 , H01L27/323 , H01L51/5256 , H01L51/56 , H01L2251/303
Abstract: The present disclosure discloses a composite film and a method for manufacturing the same, and an organic light-emitting diode and a method for packaging the same. The composite film comprises: a base membrane; a PDDA layer, which is deposited on a first surface of the base membrane; a graphite oxide layer, which is deposited on the PDDA layer; a monomolecular layer, which is self-assembled on a surface of the graphite oxide layer and is composed of a compound of Formula I. The method for manufacturing the composite film comprises a self-assembling step which includes placing and soaking a base membrane deposited with a graphite oxide layer in a solution of a compound of Formula I, and self-assembling the compound of Formula I on the graphite oxide layer.
Abstract translation: 本发明公开了一种复合薄膜及其制造方法，有机发光二极管及封装方法。 所述复合薄膜包括基材膜，沉积在基材膜的第一面上的PDDA层，沉积在PDDA层上的石墨烯氧化物层和以自组装方式布置在氧化石墨烯的表面上的单分子层 模式，并由式I所示的化合物组成。复合薄膜制造方法包括自组装步骤，其中将沉积有氧化石墨烯的层的基底膜置于如式I所示的化合物的溶液中 并且如式I所示的化合物以自组装模式布置在石墨烯氧化物层上。 采用本发明的复合薄膜对有机发光二极管进行封装。 有机发光二极管封装方法包括聚合物沉积步骤和封装步骤。
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公开(公告)号：US20240386842A1
公开(公告)日：2024-11-21
申请号：US18788139
申请日：2024-07-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Minghua XUAN , Dongni LIU , Qi QI , Jing LIU , Han YUE
IPC: G09G3/32 , G09G3/3208 , G09G3/3233 , G09G3/3266 , G11C19/28
Abstract: A pixel driving circuit includes a driving control sub-circuit and a time control sub-circuit. The driving control sub-circuit includes a first driving sub-circuit. The first driving sub-circuit is configured to output a driving signal to drive an element to be driven to operate. The time control sub-circuit includes a second driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to make the first driving sub-circuit stop outputting the driving signal, so as to control operating duration of the element to be driven.
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公开(公告)号：US20240304155A1
公开(公告)日：2024-09-12
申请号：US17769766
申请日：2021-05-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xinle WANG , Wenchao HAN , Yifan SONG , Zhaohui MENG , Lianghao ZHANG , Yilin FENG , Zhengri LIN , Mingming WANG , Wei SUN , Rui LIU , Xin DUAN , Jing LIU , Wanzhi CHEN
IPC: G09G3/34 , G02F1/1335 , G06F3/041 , G09G3/36
CPC classification number: G09G3/3406 , G02F1/133612 , G09G3/36 , G06F3/0412 , G06F3/0416 , G09G2320/0626 , G09G2354/00 , G09G2360/144 , G09G2370/10
Abstract: Disclosed are a brightness control apparatus and method, and a display apparatus. The brightness control apparatus includes an optical detection circuit and an integrated circuit chip connected with the optical detection circuit. The optical detection circuit includes at least one transistor, configured to detect a light intensity of light to be detected corresponding to an environment where a display panel is located, and generate an electrical signal corresponding to the light intensity of the light to be detected.
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公开(公告)号：US20240169947A1
公开(公告)日：2024-05-23
申请号：US17778865
申请日：2021-06-23
Inventor： Zhengri LIN , Wenchao HAN , Xinle WANG , Yifan SONG , Wanzhi CHEN , Jing LIU , Wei SUN , Rui LIU , Xin DUAN , Zhaohui MENG , Mingming WANG , Lianghao ZHANG , Jiantao LIU
IPC: G09G3/36 , G02F1/133 , G02F1/1362 , H01L27/144
CPC classification number: G09G3/3607 , G02F1/13318 , G02F1/136204 , H01L27/1443 , G09G2320/0233 , G09G2320/0242 , G09G2360/144
Abstract: A display substrate includes a base substrate, a plurality of photosensitive transistor units, a plurality of photosensitive ESD protection units, and at least one common signal line. The base substrate includes a display region, a peripheral region located at a periphery of the display region, and a binding region located at a side of the display region. The plurality of photosensitive transistor units, the plurality of photosensitive ESD protection units and the at least one common signal line are located in the peripheral region. The plurality of photosensitive transistor units is connected with binding pins in the binding region through a plurality of signal lines. At least one photosensitive ESD protection unit is connected with, and located between, at least one signal line and the common signal line.
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