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21. 发明授权

US10424261B2 Pixel circuit and driving method to control charging or discharging of pixel capacitor 有权
公开(公告)号：US10424261B2
公开(公告)日：2019-09-24
申请号：US14917335
申请日：2015-08-27
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Yanfeng Wang , Guangliang Shang , Xiaoling Xu
IPC分类号： G09G3/36
摘要： A pixel circuit and driving method thereof and display apparatus are disclosed. The pixel circuit comprises: a selection circuit (P1), whose input terminal is connected to a selection signal terminal, a high level signal terminal and a low level signal terminal, configured to control charging or discharging of a pixel capacitor according to a digital signal input by the selection signal terminal; a charging/discharging circuit (P2), whose input terminal is connected to an output terminal of the selection circuit and a same row gate line signal terminal corresponding to the pixel capacitor and output terminal is connected to the pixel capacitor, configured to charge or discharge the pixel capacitor under the control of the selection circuit; and a pre-charging circuit (P3), whose input terminal is connected to a previous row gate line signal terminal corresponding to the pixel capacitor and output terminal is connected to the pixel capacitor, configured to provide a reference voltage. This pixel circuit saves the digital-analogy conversion circuit and the analogy circuit part in the driving IC.

22. 发明授权

US10176766B2 Display driving method and apparatus and display device comprising the display driving apparatus 有权
公开(公告)号：US10176766B2
公开(公告)日：2019-01-08
申请号：US15507884
申请日：2016-03-04
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Guangliang Shang , Yinling Wang , Yanfeng Wang
IPC分类号： G09G5/10 , G09G3/34 , G09G3/36
摘要： A display driving method is provided. The method comprises: determining whether scanning of at least one area of display areas is completed (S1); adjusting light-emitting luminance of display light source corresponding to the at least one area after the scanning of the at least one area is completed, such that display luminance of the at least one area maintains within a specified range to eliminate picture flicker (S2). The display driving method is capable of reducing commendably the change of display luminance of the at least one area by adjusting the light-emitting luminance of display light source corresponding to the at least one area, so that picture flicker caused by over change of the display luminance would be avoided. There are provided a display driving method and apparatus and a display device comprising the display driving apparatus.

23. 发明授权

US10276087B2 GOA unit driving circuit and driving method thereof, display panel and display device 有权
公开(公告)号：US10276087B2
公开(公告)日：2019-04-30
申请号：US15326370
申请日：2015-12-14
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Guangliang Shang , Seung Woo Han , Mingfu Han , Haoliang Zheng , Yanfeng Wang
IPC分类号： G09G3/20
摘要： The present disclosure discloses a GOA unit driving circuit and a driving method thereof, a display panel and a display device. The disclosure relates to field of display technology, and solves the technical issue of increased power consumption of the display device due to the power consumption of the parasitic capacitance existing in the transistors in the GOA unit. The GOA unit driving circuit comprises a plurality of sets of GOA units, each of which includes at least one GOA unit; a plurality of clock selecting units, which are in one-to-one correspondence with the plurality of sets of GOA units, and each clock selecting unit is connected to a corresponding set of GOA units and connected to one of a plurality of clock signal terminals and at least one of a plurality of clock selection signal terminals, respectively. An intersection of any two sets of GOA units in the plurality of sets of GOA unit is an empty set, and each clock selecting unit transmits a signal of the clock signal terminal to which the clock selecting unit is connected to the corresponding set of GOA units, under control of a signal of the at least one clock selection signal terminal to which the clock selecting unit is connected. The GOA unit driving circuit provided by the present disclosure may be applied to a display device.

24. 发明申请

US20160210915A1 PIXEL CIRCUIT AND DRIVING METHOD THEREOF AND DISPLAY APPARATUS 有权
标题翻译：像素电路及其驱动方法及显示装置
公开(公告)号：US20160210915A1
公开(公告)日：2016-07-21
申请号：US14917335
申请日：2015-08-27
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Yanfeng Wang , Guangliang Shang , Xiaoling Xu
IPC分类号： G09G3/36
摘要： A pixel circuit and driving method thereof and display apparatus are disclosed. The pixel circuit comprises: a selection circuit (P1), whose input terminal is connected to a selection signal terminal, a high level signal terminal and a low level signal terminal, configured to control charging or discharging of a pixel capacitor according to a digital signal input by the selection signal terminal; a charging/discharging circuit (P2), whose input terminal is connected to an output terminal of the selection circuit and a same row gate line signal terminal corresponding to the pixel capacitor and output terminal is connected to the pixel capacitor, configured to charge or discharge the pixel capacitor under the control of the selection circuit; and a pre-charging circuit (P3), whose input terminal is connected to a previous row gate line signal terminal corresponding to the pixel capacitor and output terminal is connected to the pixel capacitor, configured to provide a reference voltage. This pixel circuit saves the digital-analogy conversion circuit and the analogy circuit part in the driving IC.
摘要翻译：公开了像素电路及其驱动方法和显示装置。像素电路包括：选择电路（P1），其输入端子连接到选择信号端子，高电平信号端子和低电平信号端子，被配置为根据数字信号控制像素电容器的充电或放电由选择信号端输入; 其输入端子连接到选择电路的输出端子和对应于像素电容器和输出端子的相同行栅极线信号端子的充电/放电电路（P2）连接到像素电容器，被配置为充电或放电在选择电路的控制下的像素电容; 和预充电电路（P3），其输入端子连接到与像素电容器对应的前一行栅极线信号端子，并且输出端子连接到像素电容器，被配置为提供参考电压。该像素电路将数模转换电路和类比电路部分保存在驱动IC中。

25. 发明授权

US10503321B2 Optical sensing unit, touch panel, method for manufacturing optical sensing unit, method for manufacturing touch panel, and display device 有权
公开(公告)号：US10503321B2
公开(公告)日：2019-12-10
申请号：US14802703
申请日：2015-07-17
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Chunwei Wu , Chungchun Lee , Yanfeng Wang , Xiaoguang Xu
IPC分类号： H01L29/786 , H01L29/66 , H01L29/49 , H01L27/12 , H01L27/144 , G06F3/042 , G06F3/041
CPC分类号： G06F3/042 , G06F3/0412 , H01L27/1225 , H01L27/1251 , H01L27/1255 , H01L29/4908 , H01L29/66969 , H01L29/78633 , H01L29/78693 , G06F2203/04103 , H01L27/1443
摘要： The present disclosure provides an optical sensing unit, a touch panel, a method for manufacturing the optical sensing unit, a method for manufacturing the touch panel, and a display device. The optical sensing unit includes a Photo thin film transistor (TFT), a storage capacitor for storing a leakage current generated by the Photo TFT, and a Readout TFT for reading out an electric signal stored in the storage capacitor. The method for manufacturing the optical sensing unit includes a step of forming a gate electrode of the Readout TFT capable of shielding an active layer of the Readout TFT and preventing the active layer from being exposed to an ambient light beam.

26. 发明授权

US09898141B2 Touch panel, method for fabricating the same and touch display device 有权
公开(公告)号：US09898141B2
公开(公告)日：2018-02-20
申请号：US14804785
申请日：2015-07-21
申请人： BOE Technology Group Co., Ltd.
发明人： Chunwei Wu , Chungchun Lee , Yanfeng Wang , Xiaoguang Xu
IPC分类号： G06F3/042 , H01L31/0216 , H01L31/20 , H01L31/028 , H01L31/0296 , H01L31/113 , G06F3/041 , H01L31/18 , H01L27/146
CPC分类号： G06F3/042 , G06F3/0412 , G06F3/0416 , G06F2203/04103 , G06F2203/04107 , H01L27/14678 , H01L31/02164 , H01L31/028 , H01L31/0296 , H01L31/1136 , H01L31/1828 , H01L31/202
摘要： A touch panel, a method for fabricating the same and a touch display device are disclosed. The touch panel includes touch units, each of which includes: a capacitor having a first terminal connected to a first bias voltage; a first transistor having an amorphous silicon active layer, one of a source and a drain of the first transistor is connected to a third bias voltage and the other is connected to a second terminal of the capacitor; a second transistor having an oxide semiconductor active layer, a gate of the second transistor is connected to a scan line, one of a source and a drain of the second transistor is connected to the second terminal of the capacitor and the other is connected to a data line. The touch panel further includes a light-shielding layer; an aperture portion is disposed on a part of the light-shielding layer.

27. 发明申请

US20170262088A1 Integrated Front Light Assembly, Manufacturing Method Thereof, and Reflective Display Device 审中-公开
公开(公告)号：US20170262088A1
公开(公告)日：2017-09-14
申请号：US15310179
申请日：2015-11-27
申请人： BOE Technology Group Co., Ltd.
发明人： Long Wang , Guangkui Qin , Fangzhen Zhang , Xiaoling Xu , Chun Wei Wu , Yanfeng Wang , Li Zhou
IPC分类号： G06F3/041 , F21V8/00
CPC分类号： G06F3/041 , G02B6/00 , G02B6/0055 , G02B6/0061 , G02B6/0065 , G06F3/044 , G06F2203/04103
摘要： An integrated front light assembly, a manufacturing method thereof and a reflective display device are disclosed. The integrated front light assembly includes a protective substrate; a touch-control layer disposed on the protective substrate; a light guide layer disposed on the touch-control layer; and a light source disposed on at least one side of the light guide layer. The reflective display device comprises a display panel and the integrated front light assembly. In this way, a thickness of the reflective display device can be reduced and a display effect of the reflective display device can be improved.

28. 发明授权

US10755621B2 Timing controller, timing control method and display panel 有权
公开(公告)号：US10755621B2
公开(公告)日：2020-08-25
申请号：US15546999
申请日：2016-04-15
申请人： BOE Technology Group Co., Ltd.
发明人： Yanfeng Wang
IPC分类号： G09G3/20 , G09G3/36 , G09G3/00 , G09G3/3208
摘要： A timing controller includes a synchronization module for controlling at least one of a sending time point of a first drive control signal and a sending time point of a second drive control signal, such that the first drive control signal reaches a first driving circuit at the same time point as the second drive control signal reaches a second driving circuit. By controlling the sending time points at which the first drive control signal and the second drive control signal are sent, the two drive control signals are enabled to simultaneously reach the two driving circuits, to achieve the synchronous control of such two driving circuits.

29. 发明授权

US10338707B2 Integrated front light assembly, manufacturing method thereof, and reflective display device 有权
公开(公告)号：US10338707B2
公开(公告)日：2019-07-02
申请号：US15310179
申请日：2015-11-27
申请人： BOE Technology Group Co., Ltd.
发明人： Long Wang , Guangkui Qin , Fangzhen Zhang , Xiaoling Xu , Chun Wei Wu , Yanfeng Wang , Li Zhou
IPC分类号： G06F3/041 , F21V8/00 , G06F3/044
摘要： An integrated front light assembly, a manufacturing method thereof and a reflective display device are disclosed. The integrated front light assembly includes a protective substrate; a touch-control layer disposed on the protective substrate; a light guide layer disposed on the touch-control layer; and a light source disposed on at least one side of the light guide layer. The reflective display device comprises a display panel and the integrated front light assembly. In this way, a thickness of the reflective display device can be reduced and a display effect of the reflective display device can be improved.

30. 发明申请

US20180196308A1 ARRAY SUBSTRATE, TRANSPARENT DISPLAY SUBSTRATE, TRANSPARENT DISPLAY DEVICE AND VEHICLE 审中-公开
公开(公告)号：US20180196308A1
公开(公告)日：2018-07-12
申请号：US15552008
申请日：2017-02-16
申请人： BOE Technology Group Co.,Ltd.
发明人： Xiaoling Xu , Yuanxin Du , Yanfeng Wang , Yun Qiu , Dan Wang , Xue Dong
IPC分类号： G02F1/1335
CPC分类号： G02F1/133536 , G02F1/133514 , G02F1/133528 , G02F2001/133538 , G02F2001/133548
摘要： The disclosure provides an array substrate, a transparent display substrate, a transparent display device and a vehicle including the transparent display device. The array substrate includes: a transparent substrate; a plurality of pixel units formed on the transparent substrate; and a wire grid polarizer formed on the transparent substrate. A position of the wire grid polarizer on the transparent substrate corresponds to a position where the plurality of pixel units are located on the transparent substrate, such that an orthographic projection of the wire grid polarizer on the transparent substrate fully or partially overlap orthographic projections of the plurality of pixel units on the transparent substrate.

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