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公开(公告)号：US20230360607A1
公开(公告)日：2023-11-09
申请号：US17414600
申请日：2020-12-29
Applicant: BOE Technology Group Co., Ltd.
IPC: G09G3/3266 , G11C19/28
CPC classification number: G09G3/3266 , G11C19/28 , G09G2320/064 , G09G2320/0247 , G09G2300/0408 , G09G2310/0286
Abstract: The disclosure relates to a shift register, a driving method thereof, a gate drive circuit, and a display device. An output pulse width can be reduced by 1/(n+1) to (n−1)/(n+1) clock cycle by setting a pulse width modulation module (104), where n is the number of clock signal terminals in one-to-one correspondence with the enable signal terminals, and the pulse width reduced by 1/(n+1) to (n−1)/(n+1) clock cycle needs to be output several times under the condition that the light emitting duration of pixels is unchanged. In this way, the refresh rate is increased, and thus the flicker phenomenon in the process of low gray-scale brightness adjustment is less detectable to the human eyes.
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公开(公告)号：US11804178B2
公开(公告)日：2023-10-31
申请号：US17434467
申请日：2020-09-21
Inventor： Lili Du , Hongjun Zhou , Wen Tan , Cong Liu
IPC: G09G3/3233 , G09G3/00 , G09G3/3266 , H10K59/131
CPC classification number: G09G3/3233 , G09G3/006 , G09G3/3266 , H10K59/131 , G09G2300/0408 , G09G2300/0426 , G09G2300/0452 , G09G2300/0819 , G09G2300/0842 , G09G2310/0286 , G09G2310/0297 , G09G2310/061 , G09G2320/0626 , G09G2330/021 , G09G2330/12
Abstract: A display substrate of the present disclosure includes a display region including sub-pixels, data lines, and gate lines; and a circuit region including a first sub-region and a second sub-region opposite to each other at two sides of the display region along a first direction. The first sub-region is provided with a plurality of multiplexing unit groups, each of which includes at least one multiplexing unit. The second sub-region is provided with a plurality of testing unit groups, each of which includes at least one testing unit. The circuit region is further provided with a plurality of driving unit groups, each of which includes at least one driving unit. The driving unit groups and the multiplexing unit groups are alternately arranged along an extending direction of the first sub-region in the first sub-region.
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公开(公告)号：US11804161B1
公开(公告)日：2023-10-31
申请号：US18079635
申请日：2022-12-12
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd. , Wuhan Tianma MicroElectronics Co., Ltd. Shanghai Branch
Inventor： Yana Gao , Xingyao Zhou , Gaojun Huang
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2300/0408 , G09G2300/0413 , G09G2300/0426 , G09G2300/0439 , G09G2300/0842 , G09G2310/08 , G09G2320/0233
Abstract: Display panel and display device are provided. The display panel includes a first light-transmitting group, a first non-display area, and a display area; and a plurality of pixel driving circuits and a plurality of drive signal lines. The first non-display area surrounds the first light-transmitting group, the display area surrounds the first non-display area, and the first light-transmitting group includes at least two first light-transmitting areas arranged along a first direction. The plurality of pixel driving circuits is in the display area, a pixel driving circuit of the plurality of pixel driving circuits includes a data writing module, and a drive signal line of the plurality of drive signal lines is electrically connected to a control terminal of the data writing module.
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公开(公告)号：US20230343278A1
公开(公告)日：2023-10-26
申请号：US18319490
申请日：2023-05-18
Inventor： Yingteng ZHAI
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/0275 , G09G2310/0267 , G09G2300/0408
Abstract: A display panel and a display device are provided. The pixel circuit includes a drive device, a first light-emitting control device and a second light-emitting control device; the first light-emitting control device and the second light-emitting control device are configured to jointly control a light-emitting duration of the light-emitting element; the first light-emitting control device is electrically connected to the first light-emitting control signal line, the second light-emitting control device is connected to the second light-emitting control signal line.
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公开(公告)号：US11785822B2
公开(公告)日：2023-10-10
申请号：US17089707
申请日：2020-11-04
Applicant: Samsung Display Co., Ltd.
Inventor： Wonjun Lee , Hyunbae Park , Waljun Kim , Kiwan Ahn , Joosun Yoon , Kilyoung Lee
IPC: H01L27/32 , H01L51/50 , H01L51/52 , G02F1/13 , G02F1/1335 , G02F1/1362
CPC classification number: H01L27/322 , H01L27/3218 , H01L51/5253 , G02F1/133512 , G02F1/133514 , G02F1/136209 , G09G2300/0408 , G09G2300/0804 , H01L27/3265 , H01L27/3276 , H01L2251/301
Abstract: A display apparatus includes: a first pixel, a second pixel, and a third pixel respectively configured to emit different colors; a first partition wall on a first light-emitting device of the first pixel; and a first color conversion layer corresponding to an emission area of the first pixel. The first partition wall has a first opening corresponding to the first light-emitting device and a first concave portion spaced apart from the first opening in a plan view. The first color conversion layer includes first quantum dots configured to convert incident light into first color light.
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Patent Agency Ranking
公开(公告)号：US11783782B2
公开(公告)日：2023-10-10
申请号：US17040111
申请日：2019-11-01
Inventor： Wenkang Wang , Yongfu Diao , Zhongliu Yang , Chenyu Chen
IPC: G09G3/3266 , G09G3/3233
CPC classification number: G09G3/3266 , G09G3/3233 , G09G2300/0408 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2310/0213 , G09G2310/0281 , G09G2310/0286 , G09G2310/061 , G09G2310/08
Abstract: The present disclosure provides a display substrate, including a display area and a peripheral area, where N pixel unit groups are arranged in the display area, and each pixel unit group is provided with a gate line, a first reset signal line and a second reset signal line; a driving module is arranged in the peripheral area and includes at least two driving circuits, at least two operating signal line groups are further arranged in the peripheral area, the driving circuits and the operating signal line groups are alternately arranged the at least two driving circuits include a gate driving circuit and a reset driving circuit provided with N second signal output terminals the ith second signal output terminal is coupled to the second reset signal line configured for the ith pixel unit group and the first reset signal line configured for the (i+1)th pixel unit group.
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公开(公告)号：US20230317015A1
公开(公告)日：2023-10-05
申请号：US17609407
申请日：2021-01-26
Inventor： Teng CHEN , Faming JIANG , Ri CHEN , Xinxing JIA , Weixin MENG , Jonguk KWAK
IPC: H10K59/12 , G09G3/3266 , H10K59/131 , G11C19/28
CPC classification number: G09G3/3266 , G11C19/28 , H10K59/1201 , H10K59/1315 , G09G2300/0408 , G09G2300/0426 , G09G2310/0286
Abstract: A display substrate includes an underlay substrate, and a first semiconductor layer, first conductive layer, second semiconductor layer, second conductive layer, and third conductive layer which are arranged on the underlay substrate. The first semiconductor layer includes an active layer of at least one transistor of a second semiconductor type of a shift register unit. The first conductive layer includes a control electrode of the at least one transistor of the second semiconductor type and a first electrode of at least one capacitor of the shift register unit. The second semiconductor layer includes an active layer of at least one transistor of a first semiconductor type of the shift register unit. The second conductive layer includes a control electrode of the at least one transistor of the first semiconductor type and a second electrode of the at least one capacitor of the shift register unit.
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公开(公告)号：US20230317004A1
公开(公告)日：2023-10-05
申请号：US18101031
申请日：2023-01-24
Applicant: Samsung Display Co., LTD.
Inventor： Jong Hyun CHOI
IPC: G09G3/3233 , H10K59/131
CPC classification number: G09G3/3233 , H10K59/131 , G09G2300/0852 , G09G2300/0819 , G09G2300/0426 , G09G2300/0861 , G09G2310/08 , G09G2300/0408
Abstract: A display device includes: a light emitting diode; a driving transistor outputting current to the light emitting diode, the driving transistor being p-type and comprising a gate electrode, a first electrode, and a second electrode; a second transistor that is p-type and comprising a gate electrode, a first electrode, and a second electrode; a third transistor that is n-type and comprising a gate electrode, a first electrode, and a second electrode; a storage capacitor comprising a first electrode and a second electrode; and a hold capacitor, the second electrode of the third transistor being connected to the first electrode of the driving transistor, the first electrode of the second transistor being configured to receive a data voltage, and the second electrode of the second transistor being connected to the first electrode of the third transistor, the first electrode of the storage capacitor, and the second electrode of the hold capacitor.
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公开(公告)号：US11776469B2
公开(公告)日：2023-10-03
申请号：US17685887
申请日：2022-03-03
Inventor： Xin Yang
IPC: G09G3/30 , G09G3/3225 , G09G3/20
CPC classification number: G09G3/3225 , G09G3/2003 , G09G2300/0408
Abstract: Embodiments of the present application provide a display apparatus and an electronic device. The display apparatus includes a first display area, a first driving unit, a second display area, and a second driving unit. Each first driving unit in the first display area drives a first pixel, each second driving unit drives one or more second pixels of the second display area, a plurality of second driving units are provided in the first display area, and the number of thin film transistors included in one second driving unit is less than that in one first driving unit.
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公开(公告)号：US11776449B2
公开(公告)日：2023-10-03
申请号：US17433068
申请日：2020-10-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Li Wang , Xinshe Yin
CPC classification number: G09G3/2007 , G09G3/32 , G09G2300/0408 , G09G2300/0819 , G09G2310/0286 , G09G2320/066
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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