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公开(公告)号:US20220343855A1
公开(公告)日:2022-10-27
申请号:US17433668
申请日:2021-02-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Guangliang SHANG , Tian DONG , Xinshe YIN , Mei LI , Libin LIU , Shiming SHI
IPC: G09G3/3266 , G11C19/28
Abstract: Provided are a gate driving circuit, a display substrate, a display device and a gate driving method, the gate driving circuit includes: a frequency doubling control circuit and an effective output circuit including first shift registers, the first shift register at the first stage has a first signal input terminal coupled with an output control signal line and a second signal input terminal coupled with the frequency doubling control circuit; the frequency doubling control circuit is coupled to the output control signal line, for providing a frequency doubling control signal thereto after a preset time period from the receipt of the output control signal in response to an output control signal from the output control signal line; the first shift register at the first stage outputs a scanning signal in response to the output control signal and a scanning signal in response to the frequency doubling control signal.
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22.
公开(公告)号:US20220319426A1
公开(公告)日:2022-10-06
申请号:US17638942
申请日:2021-04-06
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xinshe YIN
IPC: G09G3/3233
Abstract: A pixel driving circuit and a driving method therefor, and a display panel and a driving method therefor are described. The pixel driving circuit includes a signal writing circuit connected to a composite signal end, a gate driving signal end, and a first node, configured to transmit a signal of the composite signal end in response to a signal of the gate driving signal end; a driving circuit; a first memory circuit connected between the first node and a second node; a second memory circuit connected between the second node and a first power supply end; a compensation circuit connected to the second node, a third node, and a control signal end; a light-emitting control circuit connected to the third node, a fourth node, and an enable signal end; and a reset circuit connected to the composite signal end, the second node, and a reset signal end.
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公开(公告)号:US20210407563A1
公开(公告)日:2021-12-30
申请号:US16767755
申请日:2019-07-02
Applicant: BOE Technology Group Co., Ltd.
Inventor: Guangliang SHANG , Xinshe YIN , Qian YANG , Libin LIU , Shiming SHI , Dawei WANG
Abstract: Embodiments of the present disclosure disclose a shift register unit, a driving method thereof, and a device. The shift register unit includes an input circuit, a node control circuit, a first control output circuit, a second control output circuit and an output circuit. By providing the first control output circuit and the second control output circuit, the first control output circuit and the second control output circuit may operate alternately, so that the first control output circuit and the second control output circuit may have time for characteristics recovery respectively, thus improving the service life and output stability of the shift register unit.
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公开(公告)号:US20190287466A1
公开(公告)日:2019-09-19
申请号:US16076436
申请日:2017-12-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xinshe YIN , Masakazu OKAMURA
Abstract: A backlight brightness control method and a backlight brightness control device are provided. The backlight brightness control method includes: acquiring a luminous brightness value of a display panel; determining a relationship between the luminous brightness value and a preset brightness value by a brightness control circuit; transmitting an adjusted current value to a backlight driver module according to the relationship by the brightness control circuit; and generating a current having the adjusted current value by the backlight driver module to drive a backlight module in the display panel to emit light.
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公开(公告)号:US20190251705A1
公开(公告)日:2019-08-15
申请号:US16319953
申请日:2018-04-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xinshe YIN
Abstract: Embodiments of the present disclosure provide an image processing method, an image processing device, and a medical imaging device. The image processing method includes acquiring color image data, and generating grayscale image data based on the color image data. Luminance of a grayscale image represented by the grayscale image data is equivalent to luminance of a color image represented by the color image data. The image processing device includes an image acquisition unit configured to acquire color image data, and a processor configured to generate grayscale image data based on the color image data. The medical imaging device includes the image processing device described above, and a displayer configured to display an image according to the image data generated by the image processing device. Embodiments of the present disclosure may conveniently convert a color image into a grayscale image and improve display definition of the medical imaging device.
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公开(公告)号:US20170200777A1
公开(公告)日:2017-07-13
申请号:US15321383
申请日:2016-04-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Guang LI , Xinshe YIN , Tuo SUN
IPC: H01L27/32
CPC classification number: H01L27/3262 , H01L27/1214 , H01L27/124 , H01L27/3248 , H01L27/326 , H01L27/3276 , H01L2251/5315
Abstract: The present invention belongs to the field of display technology, and particularly relates to an array substrate, a display panel and a display device. The array substrate comprises a light-emitting unit, a driving unit for driving the light-emitting unit, and a driving signal unit for providing a driving signal to the driving unit, the driving unit being provided in a central area of the array substrate, the driving signal unit being provided on at least one side of a marginal area surrounding the central area, wherein the light-emitting unit covers the driving unit and extends into the at least one side of the marginal area on which the driving signal unit is provided. The array substrate can have not only enlarged display area but also decreased bezel width, and also have improved aperture ratio of a pixel.
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公开(公告)号:US20240125648A1
公开(公告)日:2024-04-18
申请号:US17927109
申请日:2021-11-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xinshe YIN , Hui ZHAO , Xinbin HAN
IPC: G01J1/46
CPC classification number: G01J1/46 , G01J2001/446
Abstract: A light detection module, a light detection method and a display device are provided. The light detection module includes N light sensing circuits, a control circuit, a capacitance integrating conversion circuit, and a processing circuit; N is a positive integer; wherein the N light sensing circuits respectively sense light signals of different colors to generate corresponding photocurrents; the control circuit is configured to control to provide photocurrents generated by the light sensing circuits to a capacitance integrating amplifying circuit in a time division manner, and to control a conversion parameter of the capacitance integrating amplifying circuit; the capacitance integrating conversion circuit is configured to perform integrating conversion on the photocurrent according to the conversion parameter and an integration time, to obtain an analog output voltage; the processing circuit is configured to obtain characteristics of the light signal according to the analog output voltage. In the present disclosure, the current integration method is adopted by the capacitance integration conversion circuit, and the photocurrent is converted according to the integration time, so that the number and area of the photodiodes connected in parallel in the light sensing circuit can be reduced by increasing the integration time, the space and cost are reduced.
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28.
公开(公告)号:US20240071126A1
公开(公告)日:2024-02-29
申请号:US18269985
申请日:2021-10-22
Applicant: BOE Technology Group Co., Ltd.
Inventor: Xinshe YIN , Tao GAO
IPC: G06V40/13 , G09G3/3225
CPC classification number: G06V40/1318 , G09G3/3225
Abstract: Disclosed are an optical sensing pixel circuit and a driving method therefor, and a sensor and a display panel. The optical sensing pixel circuit includes: a photodiode which is used for detecting an external optical signal and converting the optical signal into an electric signal; an amplification circuit which is electrically connected to the photodiode and used for amplifying the electric signal into a detectable large-current signal; and a constant current bias circuit which is electrically connected to an output end of the amplification circuit and used for providing a constant current for the amplification circuit so as to set a quiescent operating point having the same current as the constant current for the amplification circuit, such that the amplification circuit amplifies the electric signal on the basis of the quiescent operating point.
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公开(公告)号:US20230209949A1
公开(公告)日:2023-06-29
申请号:US17926706
申请日:2021-08-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xueyan TIAN , Xinshe YIN , Wei LI
IPC: H10K59/35 , H10K59/179 , H10K59/121 , H10K59/122 , H01L27/02
CPC classification number: H10K59/353 , H10K59/179 , H10K59/1213 , H10K59/122 , H01L27/0266
Abstract: A display panel has a display region and a bezel region located on side(s) of the display region. The display panel includes a substrate; a plurality of sub-pixels disposed on a side of the substrate and located in the display region; a mirror layer disposed on a side of the plurality of sub-pixels away from the substrate; and an electrostatic protection portion electrically connected to the mirror layer and located in the bezel region. The electrostatic protection portion is configured to provide electrostatic protection for the mirror layer.
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公开(公告)号:US20220343823A1
公开(公告)日:2022-10-27
申请号:US17433068
申请日:2020-10-23
Applicant: BOE Technology Group Co., Ltd.
Inventor: Li WANG , Xinshe YIN
Abstract: The present disclosure provides a pixel circuit, a display panel and a display apparatus. A gate of a data writing transistor is electrically connected with a first scan line, a first electrode of the data writing transistor is electrically connected with a data line, and a second electrode of the data writing transistor is electrically connected with a first electrode of a drive transistor; a gate of a threshold compensation transistor is electrically connected with a second scan line, a first electrode of the threshold compensation transistor is electrically connected with a gate of the drive transistor, and a second electrode of the threshold compensation transistor is electrically connected with a second electrode of the drive transistor; and a compensation circuit is electrically connected with the gate of the drive transistor.
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