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81.发明授权公开(公告)号：US10699643B2
公开(公告)日：2020-06-30
申请号：US16334114
申请日：2018-01-04
Inventor： Can Yuan , Zhidong Yuan , Yongqian Li , Pan Xu , Wenchao Bao , Min He
IPC: G09G3/3233 , G09G3/3258 , G09G3/3275
Abstract: The present disclosure relates to a pixel driving compensation circuit. The pixel driving compensation circuit can detect and compensate a driving current of a sub-pixel in a pixel unit. The pixel unit includes first, second, and third sub-pixels and the first to third sub-pixels respectively include first, second, and third driving transistors. The pixel driving compensation circuit includes a first switching sub-circuit configured to be turned on in a first period to transmit a driving current output from the first driving transistor to a first detection line, second switching sub-circuit configured to be turned on in a second period to transmit a driving current output from the second driving transistor to a first detection line, and a third switching sub-circuit configured to be turned on in the first period to transmit a driving current output from the third driving transistor to a second detection line.
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82.发明申请公开(公告)号：US20200184872A1
公开(公告)日：2020-06-11
申请号：US16523215
申请日：2019-07-26
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
Abstract: A shift register circuit, a gate driving circuit and a method for driving the same, and a display apparatus are disclosed. The shift register circuit includes: an input circuit configured to receive an input signal and output the input signal to a pull-up node; an output circuit configured to receive a clock signal and provide an output signal at a signal output terminal based on the clock signal under control of a level at the pull-up node; a pull-down circuit configured to pull down a level at the signal output terminal under control of a level at a pull-down node; and at least one of a feedback circuit or a pull-down control circuit, wherein the feedback circuit is electrically coupled to the pull-up node, and is configured to output a first feedback signal based on the level at the pull-up node; and the pull-down control circuit is electrically coupled to the pull-up node and the pull-down node, and is configured to receive a second feedback signal and control the level at the pull-down node under control of the level at the pull-up node and the second feedback signal.
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公开(公告)号：US10553154B2
公开(公告)日：2020-02-04
申请号：US15744381
申请日：2017-06-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yongqian Li , Pan Xu , Zhidong Yuan
IPC: G09G3/3233 , G09G3/00 , G09G3/3266
Abstract: A method and an apparatus for detecting a driving circuit. The method includes: inputting a data signal, a gate line scanning signal, a voltage signal, and a first control signal with a first voltage level into a data input end, a gate scanning input end, a power source end and a voltage sensing end of the driving circuit, respectively; by inputting a second control signal with a second voltage level into a sensing-scanning input end, controlling a pixel storage capacitor to be charged, and measuring a first voltage of an OLED anode end; by inputting the second control signal with a third voltage level to the sensing-scanning input end, controlling the pixel storage capacitor to be discharged, and measuring a second voltage of the OLED anode end; and determining whether the driving circuit has abnormity or not according to the first voltage and the second voltage.
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84.发明申请公开(公告)号：US20190371245A1
公开(公告)日：2019-12-05
申请号：US16334114
申请日：2018-01-04
Inventor： Can Yuan , Zhidong Yuan , Yongqian Li , Pan Xu , Wenchao Bao , Min He
IPC: G09G3/3258 , G09G3/3233 , G09G3/3275
Abstract: The present disclosure relates to a pixel driving compensation circuit. The pixel driving compensation circuit can detect and compensate a driving current of a sub-pixel in a pixel unit. The pixel unit includes first, second, and third sub-pixels and the first to third sub-pixels respectively include first, second, and third driving transistors. The pixel driving compensation circuit includes a first switching sub-circuit configured to be turned on in a first period to transmit a driving current output from the first driving transistor to a first detection line, second switching sub-circuit configured to be turned on in a second period to transmit a driving current output from the second driving transistor to a first detection line, and a third switching sub-circuit configured to be turned on in the first period to transmit a driving current output from the third driving transistor to a second detection line.
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公开(公告)号：US20190165296A1
公开(公告)日：2019-05-30
申请号：US15979143
申请日：2018-05-14
Inventor： Zhidong Yuan , Yongqian LI , Can Yuan , Meng Li , Zhenfei Cai , Xuehuan Feng
CPC classification number: H01L51/5203 , H01L27/3213 , H01L27/3246 , H01L27/3248 , H01L27/3258 , H01L27/3262 , H01L51/56
Abstract: An OLED display panel, a method for producing the same and a display device are provided. The OLED display panel includes: a substrate; and a plurality of sub-pixel areas on the substrate, each of the plurality of sub-pixel areas including a light emitting region and a non-light emitting region, wherein a plurality of insulation layers are in the non-light emitting region and a light emitting assembly is in the light emitting region, and wherein at most two insulation layers of the plurality of insulation layers extend from the non-light emitting region into the light emitting region between the light emitting assembly and the substrate, and wherein total number of the plurality of insulation layers in the non-light emitting region is greater than number of the insulation layers extending from the non-light emitting region into the light emitting region between the light emitting assembly and the substrate.
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Patent Agency Ranking
公开(公告)号：US20190164481A1
公开(公告)日：2019-05-30
申请号：US15975469
申请日：2018-05-09
Inventor： Can Yuan , Yongqian LI , Zhidong Yuan , Zhenfei Cai , Meng Li , Xuehuan Feng
IPC: G09G3/3233 , H01L27/32 , G09G3/3266 , G09G3/3275
CPC classification number: G09G3/3233 , G09G3/3266 , G09G3/3275 , G09G2300/0861 , G09G2310/0251 , G09G2310/0262 , G09G2320/0295 , G09G2320/043 , G09G2320/0693 , H01L27/3262 , H01L27/3265 , H01L27/3276
Abstract: The embodiments of the present application provide a pixel circuit, a method for driving the same, and a display apparatus. A driving sub-circuit in the pixel circuit includes a driving transistor and a first storage capacitor. The first storage capacitor has a first terminal electrically coupled to a gate of the driving transistor, and a second terminal coupled to a second electrode of the driving transistor. A writing sub-circuit is coupled to a scanning signal line, a data line, and the gate of the driving transistor, and is configured to write a data voltage into the driving transistor and maintain the driving transistor to be turned on. A reset sub-circuit is configured to supply an initial voltage to the light emitting sub-circuit so as to reset the light emitting sub-circuit. The driving transistor is further coupled to the light emitting sub-circuit to drive the light emitting sub-circuit to emit light.
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87.发明授权公开(公告)号：US10223951B2
公开(公告)日：2019-03-05
申请号：US15825885
申请日：2017-11-29
Inventor： Hao Shang , Zhidong Yuan , Tao Zhang
IPC: G09G3/32 , G09G3/00 , G09G3/3266
Abstract: A scanning direction control circuit includes a selection control circuit configured to output a first control signal to a start signal reception control circuit and output a second control signal to a direction control circuit; the start signal reception control circuit configured to, under the control of the first control signal, enable a scanning pulse signal input end to be electrically coupled to a forward scanning start signal input end during forward scanning, and enable the scanning pulse signal input end to be electrically coupled to a backward scanning start signal input end during backward scanning; and the direction control circuit configured to, under the control of the second control signal, output a forward scanning control signal to a scanning direction control end during forward scanning, and output a backward scanning control signal to the scanning direction control end during backward scanning.
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公开(公告)号：US20190066561A1
公开(公告)日：2019-02-28
申请号：US15956081
申请日：2018-04-18
Inventor： Can Yuan , Zhidong Yuan , Yongqian Li , Zhenfei Cai , Meng Li , Xuehuan Feng
Abstract: Embodiments of the present disclosure provide an array substrate, a display device. The array substrate comprises first power lines and second power lines disposed on a substrate, wherein the first power line crosses the second power line to define a pixel region, wherein the first power lines crosses the second power lines at intersection points, and the intersection points include a first intersection point where the first power line is electrically connected to the second power line and a second intersection point where the first power line is insulated from the second power line are insulated; the first intersection points for each of the first power supply lines and/or the first intersection points for each of the second power supply lines are distributed at intervals.
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89.发明授权公开(公告)号：US10204802B2
公开(公告)日：2019-02-12
申请号：US15569759
申请日：2017-03-22
Inventor： Zhidong Yuan
IPC: H01L21/48 , H01L21/02 , G09G3/20 , H01L21/4757 , H01L21/475 , H01L29/417 , H01L21/77 , H01L21/768 , H01L21/47
Abstract: The present disclosure provides a method of forming a via hole, an array substrate and a method of forming the same and a display device. The method of forming a via hole includes: forming a pattern of a first via hole and a pattern of an upper-part etched structure of a second via hole simultaneously on a base substrate through a first patterning process by using a first mask; forming a pattern of the second hole in a region corresponding to the formed pattern of the upper-part etched structure of the second via hole through a second patterning process by using a second mask.
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公开(公告)号：US20180374405A1
公开(公告)日：2018-12-27
申请号：US15744381
申请日：2017-06-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yongqian Li , Pan Xu , Zhidong Yuan
IPC: G09G3/00 , G09G3/3266
Abstract: A method and an apparatus for detecting a driving circuit. The method includes: inputting a data signal, a gate line scanning signal, a voltage signal, and a first control signal with a first voltage level into a data input end, a gate scanning input end, a power source end and a voltage sensing end of the driving circuit, respectively; by inputting a second control signal with a second voltage level into a sensing-scanning input end, controlling a pixel storage capacitor to be charged, and measuring a first voltage of an OLED anode end; by inputting the second control signal with a third voltage level to the sensing-scanning input end, controlling the pixel storage capacitor to be discharged, and measuring a second voltage of the OLED anode end; and determining whether the driving circuit has abnormity or not according to the first voltage and the second voltage.
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