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公开(公告)号：US12127455B2
公开(公告)日：2024-10-22
申请号：US18354028
申请日：2023-07-18
Inventor： Ling Shi , Yipeng Chen , Xuewei Tian , Ke Liu , Dan Guo , Zhenhua Zhang
IPC: H10K59/131 , G09G3/3241 , H01L27/12 , H10K59/121 , H10K59/122 , H10K59/35 , H10K59/65
CPC classification number: H10K59/131 , G09G3/3241 , H10K59/1216 , H10K59/122 , H10K59/65 , G09G2300/0465 , G09G2300/0819 , G09G2300/0842 , G09G2360/14 , H01L27/124 , H10K59/1213 , H10K59/35
Abstract: A display substrate is provided, including: a base substrate and a plurality of sub-pixels disposed on the base substrate. Each sub-pixel includes a pixel driving circuit, and the pixel driving circuit includes a writing transistor, a compensation transistor, a first reset transistor, and a storage capacitor. The display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer disposed in sequence on the base substrate. Gates of the writing transistor, the compensation transistor and the first reset transistor are in the first conductive layer and are implemented as an integral structure. Active layers of the writing transistor, the compensation transistor and the first reset transistor are in the semiconductor layer. A first storage capacitor electrode of the storage capacitor is in the first conductive layer, and a second storage capacitor electrode of the storage capacitor is in the second conductive layer.
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公开(公告)号：US12125546B2
公开(公告)日：2024-10-22
申请号：US17913617
申请日：2021-10-28
IPC: G11C19/28 , G09G3/32 , G09G3/3266 , G09G3/36
CPC classification number: G11C19/28 , G09G3/32 , G09G3/3266 , G09G3/3677 , G09G2300/0852 , G09G2310/0286
Abstract: A shift register includes a first input sub-circuit being configured to transmit an input signal to a first node under control of a first clock signal; a second input sub-circuit being configured to transmit a first voltage signal to a second node under control of the first clock signal; a first control sub-circuit being configured to transmit a second clock signal to a third node under control of a voltage at the second node; a second control sub-circuit being configured to transmit the first voltage signal to a fourth node under control of a third clock signal; a noise reduction sub-circuit being configured to transmit the first voltage signal to a signal output terminal under control of a voltage at the fourth node; and an output sub-circuit being configured to transmit a second voltage signal to the signal output terminal under control of a voltage at the third node.
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公开(公告)号：US12016234B2
公开(公告)日：2024-06-18
申请号：US17429032
申请日：2020-10-30
Inventor： Xiaoqi Ding , Jie Li , Jiali Wang , Xinlei Yang , Guoyi Cui , Ke Liu
CPC classification number: H10K59/38 , H10K50/865 , H10K71/00 , H10K59/12 , H10K59/1201
Abstract: The present disclosure provides a display substrate, a method of manufacturing a display substrate, and a display device. The display substrate includes: a base substrate; a color filter layer arranged on the base substrate, wherein the color filter layer includes a plurality of sub-color filters; and a monochromatic filter layer arranged on a side of the color filter layer away from the base substrate, wherein the monochromatic filter layer is formed as a filter layer with a fourth primary color, one of the first primary color, the second primary color and the third primary color is the same as the fourth primary color, or the first primary color, the second primary color, the third primary color and the fourth primary color are different from each other.
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公开(公告)号：US20230317011A1
公开(公告)日：2023-10-05
申请号：US17595039
申请日：2021-02-07
Inventor： Ke Liu , Ling Shi , Yipeng Chen , Hui Lu , Shuai Xie , Zhu Wang , Zhenhua Zhang
IPC: H10K59/121 , G09G3/3258 , H10K59/131
CPC classification number: G09G3/3258 , H10K59/121 , H10K59/131 , G09G2320/0686
Abstract: A display substrate, a display panel and a display apparatus are provided. The display substrate includes a base substrate, a first display region, and a second display region, and a light transmittance of the first display region is greater than that of the second display region A plurality of sub-pixels are arranged on the base substrate and in the first display region, wherein the sub-pixels include a first pixel driving circuit and a first light-emitting device, and the first pixel driving circuit includes a compensation transistor, a switching transistor, and a light-emitting device initialization transistor each having an active layer. A scan signal line is provided in the first display region . An orthographic projection of the scan signal line on the base substrate overlaps with that of the active layer of each of the compensation transistor, the switching transistor and the light-emitting device initialization transistor on the base substrate.
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公开(公告)号：US11770953B2
公开(公告)日：2023-09-26
申请号：US17612274
申请日：2021-02-07
Inventor： Ling Shi , Yipeng Chen , Xuewei Tian , Ke Liu , Dan Guo , Zhenhua Zhang
IPC: H10K59/131 , G09G3/3241 , H01L27/12 , H10K59/35 , H10K59/121
CPC classification number: H10K59/131 , G09G3/3241 , G09G2300/0465 , G09G2300/0819 , G09G2300/0842 , G09G2360/14 , H01L27/124 , H10K59/1213 , H10K59/35
Abstract: A display substrate, a display panel and a display apparatus are provided. The display substrate includes: a first display region and a second display region, and a light transmittance of the first display region is greater than a light transmittance of the second display region. The display substrate includes: a base substrate; and a plurality of sub-pixels arranged on the base substrate and located in the first display region. The sub-pixel includes a first pixel driving circuit and a first light-emitting device. The first pixel driving circuit is electrically connected to the first light-emitting device and configured to drive the first light-emitting device to emit light. The pixel driving circuit includes a storage capacitor and a plurality of transistors, and the storage capacitor and the plurality of transistors included in the first pixel driving circuit are located in the first display region.
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Patent Agency Ranking
26.发明授权公开(公告)号：US11538870B2
公开(公告)日：2022-12-27
申请号：US17043205
申请日：2020-03-17
Inventor： Wenqiang Li , Ling Shi , Ke Liu , Bingqiang Gui
IPC: H01L27/32 , H01L41/113 , H01L51/00
Abstract: Disclosed are a flexible display panel, a flexible display device and a deformation detection method thereof, used for detecting deformation of the flexible display panel. The flexible display panel provided by embodiments of the present disclosure includes a flexible substrate, a display device and a piezoelectric sensor arranged in a stacked mode. The piezoelectric sensor includes a first electrode, a second electrode, and a piezoelectric layer positioned between the first electrode and the second electrode; the piezoelectric sensor is configured to generate an electrical signal under the action of stress produced by bending the flexible display panel; and a signal processing chip in the flexible display device is configured to determine deformation parameters of the flexible display panel according to the electrical signal.
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公开(公告)号：US20240282781A1
公开(公告)日：2024-08-22
申请号：US18650445
申请日：2024-04-30
Inventor： Ling Shi , Yipeng Chen , Ke Liu , Fei Fang , Zhenhua Zhang , Xuewei Tian
IPC: H01L27/12
CPC classification number: H01L27/124 , H01L27/1259
Abstract: Provided is a display substrate. The display substrate includes including a base substrate having a first display region and a second display region; in the pixel circuit included in the pixels in the second display region, the conductive line connected to the metal layer is a transparent conductive line, and the transparent conductive line is disposed between the two existing insulating layers.
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公开(公告)号：US11925087B2
公开(公告)日：2024-03-05
申请号：US17426649
申请日：2020-10-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yipeng Chen , Ling Shi , Ke Liu , Zhenhua Zhang
IPC: H10K59/179 , H10K50/822 , H10K71/00 , H10K59/12 , H10K59/122 , H10K59/173
CPC classification number: H10K59/179 , H10K50/822 , H10K71/00 , H10K59/1201 , H10K59/122 , H10K59/173
Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a first display region and a second display region; the first display region includes a plurality of first pixels, the first pixel includes a passive light-emitting device, the second display region includes a plurality of second pixels, the second pixel includes an active light-emitting device and a pixel drive circuit electrically connected to the active light-emitting device. The first display region further includes a plurality of first cathode blockers, and the first cathode blocker includes at least one first groove, wherein the first cathode blocker is provided between at least two adjacent columns of first pixels, to make the cathodes of the two adjacent columns of first pixels disconnected.
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公开(公告)号：US20230363222A1
公开(公告)日：2023-11-09
申请号：US18354028
申请日：2023-07-18
Inventor： Ling Shi , Yipeng Chen , Xuewei Tian , Ke Liu , Dan Guo , Zhenhua Zhang
IPC: H10K59/131 , G09G3/3241 , H10K59/65 , H10K59/122 , H10K59/121
CPC classification number: H10K59/131 , G09G3/3241 , H10K59/65 , H10K59/122 , H10K59/1216 , G09G2300/0465 , G09G2300/0819 , G09G2300/0842 , G09G2360/14 , H01L27/124
Abstract: A display substrate is provided, including: a base substrate and a plurality of sub-pixels disposed on the base substrate. Each sub-pixel includes a pixel driving circuit, and the pixel driving circuit includes a writing transistor, a compensation transistor, a first reset transistor, and a storage capacitor. The display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer disposed in sequence on the base substrate. Gates of the writing transistor, the compensation transistor and the first reset transistor are in the first conductive layer and are implemented as an integral structure. Active layers of the writing transistor, the compensation transistor and the first reset transistor are in the semiconductor layer. A first storage capacitor electrode of the storage capacitor is in the first conductive layer, and a second storage capacitor electrode of the storage capacitor is in the second conductive layer.
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公开(公告)号：US20230165052A1
公开(公告)日：2023-05-25
申请号：US17637340
申请日：2021-02-24
Inventor： Changchang Liu , Ling Shi , Ke Liu , Yipeng Chen , Zhenhua Zhang , Hu Lu
IPC: H10K59/121 , H10K59/131 , H10K59/122 , H10K59/65
CPC classification number: H10K59/1213 , H10K59/131 , H10K59/122 , H10K59/65 , H10K59/1216
Abstract: Provided is a display panel, including: a base substrate provided with a first display region and a second display region; a first auxiliary electrode layer, a first anode layer, a first light-emitting layer and a first cathode layer that are sequentially laminated, in a direction away from the base substrate, in the first display region; and a second auxiliary electrode layer, a second anode layer, a second light-emitting layer, and a second cathode layer that are sequentially laminated, in the direction away from the base substrate, in the second display region; wherein the first auxiliary electrode layer is connected to the first cathode layer and the second auxiliary electrode layer, and the second cathode layer is connected to the first cathode layer, the second cathode layer is provided with at least one hollowed-out region.
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