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公开(公告)号：US09722411B2
公开(公告)日：2017-08-01
申请号：US14550024
申请日：2014-11-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Qingyong Li
CPC classification number: H02H3/087 , H02H3/202 , H02H3/207 , H02H7/1213 , Y10T307/609
Abstract: The present provides a secondary power system and a power supply device. The secondary power system is used for supplying power for a load equipment, and comprises: a fuse circuit, a filter circuit, a convertor circuit and an over-voltage and under-voltage protection circuit, wherein, the fuse circuit, the filter circuit, the over-voltage and under-voltage protection circuit and the convertor circuit are sequentially connected in series; the over-voltage and under-voltage protection circuit is configured to cut off power supplied to the convertor circuit when power supplied by the primary power source is an under-voltage or over-voltage; the convertor circuit is configured to convert the primary power source into a secondary power source. The secondary power system, by providing an over-voltage and under-voltage protection circuit, can not only lower the cost of the convertor circuit, but also save the space occupied by the convertor circuit.
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公开(公告)号：US10115361B2
公开(公告)日：2018-10-30
申请号：US15292386
申请日：2016-10-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongxin Zhang , Qingyong Li , Jianfu Liu
Abstract: A display device is presented which includes a timing control module, a source driving module and a gate driving module. The timing control module being configured to output a driving signal to the source driving module and the gate driving module respectively. The display device further includes a detection module and a reminding module. The detection module is configured to acquire the driving signal and detect the driving signal and configured to output a warning control signal to the reminding module when detecting an abnormity of the driving signal. The reminding module is configured to acquire the warning control signal output by the detection module and configured to output a warning under control of the warning control signal.
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3.发明申请公开(公告)号：US20180101221A1
公开(公告)日：2018-04-12
申请号：US15503128
申请日：2016-07-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Qingyong Li
IPC: G06F1/32
CPC classification number: G06F1/3293 , G06F1/3237 , G06F1/324 , G06F1/3287 , H04N21/41415 , H04N21/4436 , H04N21/6543
Abstract: A system for controlling the advertising machine includes a standby control unit, an application processing unit and a power source unit. The application processing unit is configured to control an operation of the advertising machine. The power source unit is configured to provide power to the standby control unit, and provide power to the application processing unit under the control of the standby control unit. The standby control unit is configured to control a standby period and an operating period of the advertising machine according to a standby scheme, wherein during the standby period of the advertising machine, the power source unit is controlled to stop providing power to the application processing unit, and during the operating period of the advertising machine, the power source unit is controlled to provide power to the application processing unit.
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Patent Agency Ranking
公开(公告)号：US10567750B2
公开(公告)日：2020-02-18
申请号：US15069376
申请日：2016-03-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Qingyong Li , Jianfu Liu
Abstract: A signal source for electromagnetic interference test of display devices, comprising: a housing capable of attenuating an electromagnetic signal; a parameter receiving module located within the housing and configured to receive related parameters of a signal required for testing a display device; a signal generating module located within the housing and configured to generate a signal required for testing the display device in accordance with the parameters received by the parameter receiving module; and an output interface located on the housing and configured to output the signal generated by the signal generating module. Adopting this signal source to perform EMI test on display devices can eliminate the influence of the signal source, thus reduce the complexity of the test, and make the test become simple and efficient.
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5.发明申请公开(公告)号：US20190130864A1
公开(公告)日：2019-05-02
申请号：US15925972
申请日：2018-03-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhicheng Wang , Chenfei Qian , Qingyong Li , Fuliang Sun , Tao Yang
IPC: G09G3/36 , G09G3/3258
CPC classification number: G09G3/3696 , G09G3/3258 , G09G3/3614 , G09G3/3648 , G09G2320/041 , G09G2320/0673
Abstract: Embodiments of the present disclosure provide a display driving circuit, a driving method thereof, a display driving system and a display apparatus. The display driver circuit comprises a processor, a storage and a grey scale voltage generator. The storage is configured to store at least two gamma curves, wherein each of the at least two gamma curves is associated with a range of temperature. The processor is configured to obtain a current environment temperature, to determine a range to which the current environment temperature belongs based on the current environment temperature; to retrieve the gamma curve associated with the range determined from the storage, and to output the retrieved gamma curve to the grey scale voltage generator.
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公开(公告)号：US10795198B2
公开(公告)日：2020-10-06
申请号：US15741668
申请日：2017-07-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jianfu Liu , Qingyong Li , Junbo Hu
IPC: G02F1/1333 , G02F1/133 , G02F1/1343 , G02F1/1362 , H03K7/08
Abstract: The present disclosure provides a feedback circuit for monitoring a heating loop, comprising a sample input module, a voltage conversion module and a main control chip. The sample input module has an input terminal coupled to the heating loop and configured to collect a voltage signal from the heating loop, and an output terminal electrically coupled to an input terminal of the voltage conversion module. The voltage conversion module has an output terminal coupled to an input terminal of the main control chip, and is configured to convert the voltage signal received from the sample input module into a voltage signal that the main control chip can withstand. The main control chip is configured to send a sample control signal to the heating loop, and calculate and output magnitude of the voltage signal inputted to the sample input module according to the voltage signal outputted by the voltage conversion module.
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公开(公告)号：US10446110B2
公开(公告)日：2019-10-15
申请号：US15925972
申请日：2018-03-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhicheng Wang , Chenfei Qian , Qingyong Li , Fuliang Sun , Tao Yang
IPC: G06F3/041 , G09G3/36 , G09G3/3258
Abstract: Embodiments of the present disclosure provide a display driving circuit, a driving method thereof, a display driving system and a display apparatus. The display driver circuit comprises a processor, a storage and a grey scale voltage generator. The storage is configured to store at least two gamma curves, wherein each of the at least two gamma curves is associated with a range of temperature. The processor is configured to obtain a current environment temperature, to determine a range to which the current environment temperature belongs based on the current environment temperature; to retrieve the gamma curve associated with the range determined from the storage, and to output the retrieved gamma curve to the grey scale voltage generator.
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8.发明授权公开(公告)号：US10353456B2
公开(公告)日：2019-07-16
申请号：US15503128
申请日：2016-07-26
Applicant: Boe Technology Group Co., Ltd.
Inventor： Qingyong Li
IPC: G06F9/00 , G06F1/3293 , G06F1/324 , H04N21/414 , H04N21/443 , H04N21/6543
Abstract: A system for controlling the advertising machine includes a standby control unit, an application processing unit and a power source unit. The application processing unit is configured to control an operation of the advertising machine. The power source unit is configured to provide power to the standby control unit, and provide power to the application processing unit under the control of the standby control unit. The standby control unit is configured to control a standby period and an operating period of the advertising machine according to a standby scheme, wherein during the standby period of the advertising machine, the power source unit is controlled to stop providing power to the application processing unit, and during the operating period of the advertising machine, the power source unit is controlled to provide power to the application processing unit.
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