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公开(公告)号：US10714931B2
公开(公告)日：2020-07-14
申请号：US15865988
申请日：2018-01-09
Inventor： Zhidong Yuan , Can Yuan , Yongqian Li , Xuehuan Feng
IPC: H02H9/04 , H01L27/02 , H01L27/12 , H01L29/786 , G09G3/20 , G02F1/1362
Abstract: The present disclosure relates to an electrostatic protection circuit, an array substrate and a display device, comprising: a first electrostatic discharge circuit and a second electrostatic discharge circuit; wherein the first electrostatic discharge circuit is configured to, in case that an electrostatic voltage formed on the first signal wire is greater than or equal to a first preset turn-on voltage, transmit the electrostatic voltage on the first signal wire to the second signal wire. In case that the electrostatic voltage formed on the first signal wire is greater than or equal to a second preset turn-on voltage, the first electrostatic discharge circuit couples the voltage on the first signal wire to a first node, so that the second electrostatic discharge circuit transmits the electrostatic voltage on the first signal wire to the second signal wire.
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公开(公告)号：US10535302B2
公开(公告)日：2020-01-14
申请号：US15975469
申请日：2018-05-09
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan , Zhenfei Cai , Meng Li , Xuehuan Feng
IPC: G09G3/30 , G09G3/3233 , H01L27/32 , G09G3/3275 , G09G3/3266
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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公开(公告)号：US10446784B2
公开(公告)日：2019-10-15
申请号：US15979143
申请日：2018-05-14
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan , Meng Li , Zhenfei Cai , Xuehuan Feng
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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公开(公告)号：US10403190B2
公开(公告)日：2019-09-03
申请号：US15975742
申请日：2018-05-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongxu Han , Fei Yang , Zhongyuan Wu , Yongqian Li , Tieshi Wang , Zhidong Yuan , Can Yuan , Chi Zhang , Yue Wu
IPC: G09G3/30 , G09G3/20 , G09G3/3208 , G09G5/10 , G09G3/00
Abstract: Disclosed are a method for color complementation on a white organic light emitting diode (WOLED) display device, and a display device. The method comprises: (a) acquiring respective first chromaticity coordinates of each of red (R), green (G), blue (B), and white (W) sub-pixel units for a brightness outputted by the WOLED display device; (b) calculating a first complementary color ratio among the R, G, B, and W sub-pixel units; (c) determining a desired brightness of the W sub-pixel unit, and obtaining respective first complementary color brightnesses of each of the R, G, B, and W sub-pixel units, and in turn determining respective second chromaticity coordinates of each of the R, G, B, and W sub-pixel units corresponding to the respective first complementary color brightness of each of the R, G, B, W sub-pixel units; and (d) implementing in iterations steps (a), (b) and (c), so as to obtain a second complementary color ratio among the R, G, B, W sub-pixel units corresponding to the desired brightness of the W sub-pixel unit. Color complementation of the WOLED display device is carried out depending on the second complementary color ratio among the R, G, B, and W sub-pixel units when the brightness outputted by the WOLED display device reaches the desired brightness of W sub-pixel unit.
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公开(公告)号：US20190027081A1
公开(公告)日：2019-01-24
申请号：US15975742
申请日：2018-05-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongxu Han , Fei Yang , Zhongyuan Wu , Yongqian Li , Tieshi Wang , Zhidong Yuan , Can Yuan , Chi Zhang , Yue Wu
IPC: G09G3/20 , G09G3/3208 , G09G5/10
CPC classification number: G09G3/2003 , G09G3/006 , G09G3/3208 , G09G5/10 , G09G2300/0452 , G09G2320/0242 , G09G2320/0626 , G09G2320/0666 , G09G2360/16
Abstract: Disclosed are a method for color complementation on a white organic light emitting diode (WOLED) display device, and a display device. The method comprises: (a) acquiring respective first chromaticity coordinates of each of red (R), green (G), blue (B), and white (W) sub-pixel units for a brightness outputted by the WOLED display device; (b) calculating a first complementary color ratio among the R, G, B, and W sub-pixel units; (c) determining a desired brightness of the W sub-pixel unit, and obtaining respective first complementary color brightnesses of each of the R, G, B, and W sub-pixel units, and in turn determining respective second chromaticity coordinates of each of the R, G, B, and W sub-pixel units corresponding to the respective first complementary color brightness of each of the R, G, B, W sub-pixel units; and (d) implementing in iterations steps (a), (b) and (c), so as to obtain a second complementary color ratio among the R, G, B, W sub-pixel units corresponding to the desired brightness of the W sub-pixel unit. Color complementation of the WOLED display device is carried out depending on the second complementary color ratio among the R, G, B, and W sub-pixel units when the brightness outputted by the WOLED display device reaches the desired brightness of W sub-pixel unit.
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Patent Agency Ranking
公开(公告)号：US12283240B2
公开(公告)日：2025-04-22
申请号：US18250175
申请日：2022-04-20
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan
IPC: G09G3/3233 , G09G3/3266
Abstract: A light-emitting control circuit includes: a first detection control unit configured to transmit a first voltage signal to the first node under control of a detection control signal and a first clock signal; a first light-emitting output unit configured to transmit the first voltage signal to a first output signal terminal under control of a voltage of the first node; a second detection control unit configured to transmit the first voltage signal to a second node under control of the detection control signal and a second clock signal; and a second light-emitting output unit configured to transmit the first voltage signal to a second output signal terminal under control of a voltage of the second node.
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公开(公告)号：US20250098447A1
公开(公告)日：2025-03-20
申请号：US18558248
申请日：2022-10-28
Inventor： Can Yuan , Zhidong Yuan , Liu Wu , Luke Ding , Yongqian Li , Cheng Xu , Dandan Zhou , Dacheng Zhang
IPC: H10K59/131 , G09G3/3225 , H10K59/122
Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate, data lines and sub-pixels on the base substrate. The sub-pixels include a sub-pixel driving circuit and a light-emitting element including a first electrode. The sub-pixel driving circuit includes a driving transistor and a data writing transistor having a first electrode coupled to the data line through a second connection structure. A second electrode of the driving transistor is coupled to the first electrode through a first connection structure. The first and second connection structures are in a non-aperture region of the sub-pixel. Orthographic projections of the first and second connection structures onto the base substrate are arranged along a first direction. An orthographic projection of the second connection structure onto the base substrate and an aperture region of the sub-pixel are along a second direction which intersects the first direction.
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公开(公告)号：US12236892B2
公开(公告)日：2025-02-25
申请号：US18272595
申请日：2022-07-28
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan , Liu Wu , Luke Ding , Cheng Xu , Miao Liu , Xing Yao
IPC: G09G3/32 , G09G3/3266 , G11C19/28
Abstract: Provided is a gate driver circuit. The gate driver circuit is applicable to a display panel, wherein the display panel includes a plurality of rows of pixels; the gate driver circuit including at least one gate driver sub-circuit; wherein the gate driver sub-circuit includes: at least two shift register groups, wherein each shift register group includes a plurality of shift register units; at least two first dummy units, wherein the at least two first dummy units are respectively coupled to a same input enable terminal and the at least two shift register groups; and at least two second dummy units, wherein the at least two second dummy units are coupled to the at least two shift register groups.
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公开(公告)号：US12219827B2
公开(公告)日：2025-02-04
申请号：US17795447
申请日：2021-08-25
Inventor： Yongqian Li , Can Yuan , Xuehuan Feng
IPC: H10K59/126 , G09G3/3225 , H10K59/131
Abstract: A display substrate and a display device. The display substrate includes a base substrate, and a plurality of pixel units and a plurality of scanning lines on the base substrate. Each pixel unit includes a plurality of sub-pixels and a light shielding layer, the plurality of sub-pixels is arranged in sequence in a first direction, each sub-pixel includes a sub-pixel driving circuitry and a light-emitting element coupled to each other, and the sub-pixel driving circuitry is configured to provide a driving signal to the light-emitting element. At least a part of the light shielding layer is arranged between the sub-pixel driving circuitry and the base substrate. Each scanning line includes at least a part extending in the first direction, is coupled to a corresponding sub-pixel driving circuitry, and is arranged at a same layer as the light shielding layer.
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公开(公告)号：US12183278B2
公开(公告)日：2024-12-31
申请号：US17779576
申请日：2021-07-21
Inventor： Zhidong Yuan , Yongqian Li , Dacheng Zhang , Jingbo Xu , Can Yuan
IPC: G09G3/3233
Abstract: A display substrate includes an underlay substrate and a plurality of pixel unit groups. The plurality of pixel unit groups are located in a display region of the underlay substrate. At least one pixel unit group includes a plurality of sub-pixel groups, wherein at least one sub-pixel group includes a pixel circuit. The pixel circuit includes a first sub-pixel circuit, a second sub-pixel circuit, and a light emitting control sub-circuit. The first sub-pixel circuit and the second sub-pixel circuit are both electrically connected to the light emitting control sub-circuit. The light emitting control sub-circuit is configured to control a first light emitting element electrically connected to the first sub-pixel circuit to emit light, and to control a second light emitting element electrically connected to the second sub-pixel circuit to emit light.
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