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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.
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公开(公告)号：US20250076700A1
公开(公告)日：2025-03-06
申请号：US18278010
申请日：2022-11-16
Inventor： Xiaojuan WU , Jinshuai DUAN , Jiaxing WANG , Cuiyu CHEN , Feng LIU , Dawei FENG , Zhiqiang YU , Ning WANG , Danxing HOU , Mingjing LIU , Yichi ZHANG
IPC: G02F1/1335
Abstract: Embodiments of the present disclosure provide a display module and a preparation method therefor, and a display apparatus. The display module includes a liquid crystal display panel and a light scattering layer. Among them, the liquid crystal display panel includes a first substrate, a second substrate, and a first liquid crystal layer, the first substrate is disposed opposite to the second substrate, the first liquid crystal layer is located between the first substrate and the second substrate, and the first liquid crystal layer includes a cholesteric liquid crystal configured to have a conical helix texture when an electric field is applied, to reflect light matched with a helical pitch of the conical helix texture; and the light scattering layer is disposed on a side of the liquid crystal display panel and is configured to scatter light reflected by the liquid crystal display panel.
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23.发明申请公开(公告)号：US20240407186A1
公开(公告)日：2024-12-05
申请号：US18800299
申请日：2024-08-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhigao LU , Yichi ZHANG
IPC: H10K50/11 , H10K50/115 , H10K59/12 , H10K59/122 , H10K71/00 , H10K101/30 , H10K101/40 , H10K102/00
Abstract: A light-emitting substrate includes a base; a first material layer and a second material layer that are disposed on the base, and an etch stop layer between the first material layer and the second material layer. The first material layer is closer to the base than the second material layer. The second material layer includes a plurality of patterns, and each pattern and the first material layer have an overlapping region therebetween. The etch stop layer includes at least portions in respective overlapping regions. A portion of the etch stop layer located in each overlapping region is in contact with the first material layer and the second material layer.
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公开(公告)号：US20240201535A1
公开(公告)日：2024-06-20
申请号：US18554978
申请日：2022-10-26
Inventor： Jiaxing WANG , Feng LIU , Xiaojuan WU , Jian WANG , Yao BI , Jinshuai DUAN , Cuiyu CHEN , Yu ZHAO , Dawei FENG , Zhiqiang YU , Danxing HOU , Ning WANG , Mingjing LIU , Yichi ZHANG
IPC: G02F1/1335 , G02F1/135
CPC classification number: G02F1/133531 , G02F1/133545 , G02F1/133555 , G02F1/1351
Abstract: A display panel includes a liquid crystal cell, a first polarizing assembly and a second polarizing assembly. The liquid crystal cell includes a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate. The first polarizing assembly is disposed on a side of the first substrate further away from the liquid crystal layer and includes at least a first polarizing layer having a first transmission axis, and the first polarizing assembly is configured for generating polarized light whose polarization direction is parallel to the first transmission axis. The second polarizing assembly is located on a side of the second substrate further away from the liquid crystal layer and includes at least a transflective layer and a light absorbing layer.
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公开(公告)号：US20240179949A1
公开(公告)日：2024-05-30
申请号：US17789158
申请日：2021-06-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying HAN , Pan XU , Wei LI , Yichi ZHANG , Ying ZHOU
IPC: H10K59/122 , H10K59/35 , H10K59/80
CPC classification number: H10K59/122 , H10K59/353 , H10K59/80516
Abstract: A display substrate includes: a base substrate; a plurality of pixel circuits on the base substrate; and a plurality of pixels; the pixel includes a first sub-pixel, a second sub-pixel and a third sub-pixel; orthographic projections of the first sub-pixel, the second sub-pixel and the third sub-pixel on the base substrate do not overlap with each other; the first sub-pixel, the second sub-pixel and the third sub-pixel are electrically connected to the pixel circuits in a one-to-one correspondence manner; a first distance in a first direction exists between the first sub-pixel and the second sub-pixel, and a first via is arranged in the first distance; a second distance in the first direction exists between the first sub-pixel and the third sub-pixel, and a first via is arranged in the second distance; a third distance in the first direction exists between the second sub-pixel and the third sub-pixel.
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Patent Agency Ranking
公开(公告)号：US20230129444A1
公开(公告)日：2023-04-27
申请号：US17914494
申请日：2021-09-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Che AN , Jinxiang XUE , Jingkai NI , Zhongyuan SUN , Yichi ZHANG
Abstract: Provided are a display assembly and a display device. The display assembly includes a flexible display panel comprising a stretchable display area, a breakable area and a bonding area connected in sequence; a first support film on a side of the stretchable display area; and a second support film on a side of the bonding area, the second support film and the first support film being on a same side of the flexible display panel. An elongation of the first support film is greater than an elongation of the second support film, and a hardness of the first support film is less than a hardness of the second support film.
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公开(公告)号：US20220379345A1
公开(公告)日：2022-12-01
申请号：US17772263
申请日：2021-05-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongchun TAO , Shuai HOU , Jingwen GUO , Hui HUA , Xiaotong LIU , Yichi ZHANG
Abstract: The present disclosure provides an acoustic transducer unit and a manufacturing method thereof, and an acoustic transducer, the acoustic transducer unit includes: a base substrate; a first electrode on the base substrate; a support pattern on a side of the first electrode away from the base substrate, which is enclosed into an accommodation groove, at least one release groove and at least one connection groove, an orthographic projection of the release groove on the base substrate is spaced apart from that of the accommodation groove on the base substrate, the connection groove is between the accommodation groove and the release groove to communicate them; a diaphragm pattern on the side of the first electrode away from the base substrate and capable of vibrating in the accommodation groove; a filling pattern in the release groove; a second electrode on a side of the diaphragm pattern away from the base substrate.
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公开(公告)号：US20220190039A1
公开(公告)日：2022-06-16
申请号：US17354142
申请日：2021-06-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Qian SUN , Wei HUANG , Qian JIN , Yichi ZHANG
Abstract: The present disclosure provides a display panel including: a first substrate, a light-emitting element array and a color-conversion layer array, the light-emitting element array includes a plurality of light-emitting elements, the color-conversion layer array includes a plurality of color-conversion layers, the light-emitting elements are used for generating and emitting first color light, the color-conversion layers are used for generating other color light under excitation of the first color light, and the display panel further includes a first band-pass filtering layer between the light-emitting element array and the color-conversion layer array and/or a second band-pass filtering layer positioned on one side, away from the light-emitting element array, of the color-conversion layer array.
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29.发明申请公开(公告)号：US20220102661A1
公开(公告)日：2022-03-31
申请号：US17402112
申请日：2021-08-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Wenhai MEI , Yichi ZHANG
Abstract: Disclosed are a light emitting panel, a display apparatus, and a method for manufacturing the light emitting panel. The light emitting panel includes: a substrate, at least two electrode layers arranged on one side of the substrate, a light emitting layer between the electrode layers. An interfacial modification layer is arranged on one side of at least one of the electrode layers facing the light emitting layer. The interfacial modification layer includes: a polycyclic structure, a first electriferous group connected to a side of the polycyclic structure away from the light emitting layer, a second electriferous group connected to a side of the polycyclic structure facing the light emitting layer. Charges of the first and second electriferous group are different, so that the interfacial modification layer has a dipole moment, therefore a work function of the electrode layers in contact with the interfacial modification layer is adjusted.
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公开(公告)号：US20220098479A1
公开(公告)日：2022-03-31
申请号：US17405963
申请日：2021-08-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Wenhai MEI , Yichi ZHANG
Abstract: Disclosed are a quantum dot light emitting device, a preparation method thereof and a display apparatus. In embodiments of the present disclosure, at least one of one or more light emitting function layers is disposed to include at least two sub-function layers, each sub-function layer includes ligands, and surface energy of the ligands corresponding to the sub-function layers gradiently changes in a transmission direction of carriers in the sub-function layers, so that energy levels of the sub-function layers gradiently change. In this way, the energy levels of the sub-function layers can be matched with energy levels of the adjacent light emitting function layers.
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