-
公开(公告)号：US20250120245A1
公开(公告)日：2025-04-10
申请号：US18028462
申请日：2022-06-21
Inventor： Jingwen FENG , Maocheng JIANG , Yichi ZHANG
IPC: H10K50/115 , B82Y20/00 , C09K11/88 , H10K50/15 , H10K102/00
Abstract: A blue top emitting quantum dot light-emitting device and a display apparatus are disclosed. The blue top emitting quantum dot light-emitting device includes: a cathode and an anode oppositely arranged, a blue quantum dot light-emitting layer between the cathode and the anode, an electron transport layer between the cathode and the blue quantum dot light-emitting layer, and a hole transport layer between the blue quantum dot light-emitting layer and the anode; where: a material of the blue quantum dot light-emitting layer is ZnSe1-x:Tex/ZnSe/ZnS, ZnSe1-x:Tex means that a molar ratio of Se to Te is 1-x:x, and x is 0.03 to 0.07; a thickness of the hole transport layer is 10 nm to 35 nm, a thickness of the electron transport layer is 25 nm to 50 nm, and a sum of thicknesses of the hole transport layer and the electron transport layer is 55 nm to 65 nm.
-
公开(公告)号：US20250118896A1
公开(公告)日：2025-04-10
申请号：US18919377
申请日：2024-10-17
Inventor： Chunnan FENG , Zhifeng ZHANG , Yong LI , Haoyang ZHANG , Chuncheng CHE , Jingjun DU , Jiaqiang WANG , Feng QU
Abstract: An antenna includes a first substrate, the first substrate includes: a first base substrate; at least one first radiation unit on a side of the first base substrate; a first electrode layer on a side of the first base substrate away from the at least one first radiation unit; and at least one second radiation unit on a side of the at least one first radiation unit away from the first electrode layer; wherein an orthographic projection of each second radiation unit on the first base substrate at least partially overlaps an orthographic projection of one first radiation unit on the first base substrate; and an 10 orthographic projection of the at least one first radiation unit on the first base substrate is within an orthographic projection of the first electrode layer on the first base substrate, wherein the antenna further includes a first feeding unit.
-
113.发明申请公开(公告)号：US20250118176A1
公开(公告)日：2025-04-10
申请号：US18729160
申请日：2022-12-16
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhihui CHEN
IPC: G08B6/00
Abstract: A haptic feedback signal detection circuit (211-m), a driving control circuit (200), and a haptic feedback apparatus. The haptic feedback signal detection circuit (211-m) comprises: a charge-voltage conversion circuit (2111-m) coupled to at least one haptic detection piezoelectric device (021-m) in a haptic feedback panel (100), wherein the charge-voltage conversion circuit (2111-m) is configured to convert, when a target object is pressed, a charge signal of each of the at least one haptic detection piezoelectric device (021-m) into an initial voltage signal and then output the initial voltage signal; and at least one voltage amplifier circuit (2112-m), wherein the at least one voltage amplifier circuit (2112-m) is configured to sequentially amplify the initial voltage signals into target voltage signals and then output the target voltage signals to a detection output end as haptic feedback signals.
-
公开(公告)号：US12274137B2
公开(公告)日：2025-04-08
申请号：US17640230
申请日：2021-01-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan Xu , Dacheng Zhang , Xing Zhang
IPC: H01L29/08 , G09G3/3233 , H10K59/12 , H10K59/121 , H10K59/131 , H10K59/35
Abstract: A display substrate and a display device, include: a base substrate, which includes a display area, and a bonding area (BA) disposed on one side of the display area; a plurality of gate lines, a plurality of data lines, a plurality of lead lines, the plurality of lead lines each is respectively electrically connected with a respective one of the plurality of data lines, each of the plurality of lead lines includes a first portion extending in the second direction, and orthographic projections of at least part of the first portions on the base substrate do not overlap with orthographic projections of the data lines on the base substrate.
-
公开(公告)号：US12274128B2
公开(公告)日：2025-04-08
申请号：US17787943
申请日：2021-08-05
Inventor： Yongqian Li , Can Yuan
IPC: H01L27/14 , H01L27/12 , H10K59/121 , H10K59/131 , H10K59/12
Abstract: A display substrate, including: a base, and a plurality of sub-pixels arranged on the base. At least one of the plurality of sub-pixels includes a pixel driving circuit and a light-emitting element electrically connected to the pixel driving circuit. The pixel driving circuit includes a plurality of transistors and at least one storage capacitor. In a direction perpendicular to the base, the display substrate includes: a semiconductor layer, a first metal layer, a second metal layer, a third metal layer and a fourth metal layer, which are sequentially arranged on the base. The semiconductor layer includes: an active layer of the plurality of transistors. The first metal layer includes at least a scanning line extending in a first direction, a gate electrode of the plurality of transistors, and a first capacitor electrode plate of the storage capacitor.
-
Patent Agency Ranking
公开(公告)号：US12274119B2
公开(公告)日：2025-04-08
申请号：US17607366
申请日：2020-12-23
Inventor： Erjin Zhao , Zhiliang Jiang , Qingqing Yan
IPC: H10K50/84
Abstract: Provided are a display substrate and a display device. The display substrate includes a display region and a peripheral region surrounding the display region. The peripheral region includes a first edge extending in a first direction, a second edge extending in a second direction and a transition edge between the first edge and the second edge, and the first direction and the second direction intersect. The display substrate includes a base substrate and an encapsulation layer located on the base substrate, the display substrate further includes multiple through holes, the through holes are located between the base substrate and the encapsulation layer, the through holes include a first through hole located at the transition edge, the first through hole includes first target through holes, and length directions of the first target through holes intersect with the first direction and the second direction.
-
公开(公告)号：US12273942B2
公开(公告)日：2025-04-08
申请号：US17788152
申请日：2021-08-16
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jinlei Li , Yao Wang , Quanzhong Wang , Tieli Chen , Hui Qiao , Hu Zhu , Xinxin Yang
IPC: H04W76/14 , G06F9/4401 , H04W4/80 , H04W12/06
Abstract: Information configuration method for display apparatus, and display apparatus are provided. The display apparatus includes display and communication modules, and the information configuration method for the display apparatus includes: obtaining environmental information where the display apparatus is located; determining, by the communication module, a communication mode matching with the environment information, receiving target information sent by a server; and displaying, by the display module, target content corresponding to the target information. According to the display apparatus, information required to be displayed can be display by the display module, and by displaying different information, the display apparatus can be reused, thereby reducing waste. In addition, information is sent to the display apparatus in different communication modes according to the environment information of the display apparatus, which can improve the timeliness and convenience of updating information in the display apparatus and improve use experiences.
-
公开(公告)号：US12272683B2
公开(公告)日：2025-04-08
申请号：US18530257
申请日：2023-12-06
Inventor： Gongtao Zhang , Haiwei Sun , Jian Sang , Fang Wang
Abstract: A display panel includes a plurality of sub-panels tiled in sequence along a first direction. The sub-panels have a first edge and a second edge in the first direction. The sub-panels include a column of first pixels closest to the first edge, a column of second pixels closest to the second edge, and a plurality of columns of third pixels between the column of first pixels and the column of second pixels. A sum of a distance between effective display bodies in the first pixels and the first edge and a distance between effective display bodies in the second pixels and the second edge is smaller than a spacing between effective display bodies in two adjacent columns of the third pixels.
-
公开(公告)号：US12272414B2
公开(公告)日：2025-04-08
申请号：US18503575
申请日：2023-11-07
Inventor： Xuehuan Feng , Yongqian Li
IPC: G11C19/28 , G09G3/20 , G09G3/3266
Abstract: A shift register includes a first scan unit, a leakage prevention unit, and a leakage prevention input unit. The first scan unit includes a first input circuit configured to transmit an input signal to a first pull-up node. The leakage prevention input unit is configured to: transmit a first voltage signal to a leakage prevention input node; and transmit a second voltage signal to the leakage prevention input node. The first voltage signal and the second voltage signal are different. The leakage prevention unit is configured to transmit one of the first voltage signal and the second voltage signal from the leakage prevention input node to a first leakage prevention node.
-
公开(公告)号：US12272318B2
公开(公告)日：2025-04-08
申请号：US18018914
申请日：2022-02-28
Inventor： Xiangdong Li , Hong Zhu
IPC: G09G3/30 , G09G3/3291
Abstract: A data driving method for a source driver in a display apparatus is provided, the display apparatus includes a display panel and the source driver; and the display panel includes: a power trace extending along a first direction, pixel unit groups sequentially arranged away from the input side of the power supply along the first direction, and data lines; the display apparatus includes first and second display states; A and B pixel unit groups are preset for displaying in first and second display states, respectively, A≠B; the method includes: in a first switching process of switching the display apparatus from first to second display states, compensating a data voltage to be loaded to the pixel units in response to a first data compensation start instruction, to compensate a change in a voltage drop on the power trace in the first and second display states different from each other.
-
-
-
-
-
-
-
-
-
Search Results
41129
records
(took 0.081 seconds)
