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公开(公告)号：US20240224582A1
公开(公告)日：2024-07-04
申请号：US17925376
申请日：2021-12-27
Inventor： Tieshi Wang , Zhuo Chen
IPC: H10K50/84 , H10K50/115 , H10K50/85
CPC classification number: H10K50/846 , H10K50/115 , H10K50/85
Abstract: A light emitting device and a fabricating method thereof, and a light emitting apparatus, which relates to the technical field of semiconductors. The light emitting device includes: a substrate, and a luminescent layer and an additional component that are provided on one side of the substrate, the additional component is capable of having a chemical reaction with water and oxygen, and a reaction rate constant of the additional component with water and oxygen is greater than a reaction rate constant of the luminescent layer with water and oxygen; and the additional component is provided in a same layer as the luminescent layer and/or in a different layer from the luminescent layer.
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2.发明授权公开(公告)号：US10998519B2
公开(公告)日：2021-05-04
申请号：US16305052
申请日：2018-03-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yuedi He , Boris Kristal , Zhuo Chen
Abstract: The present disclosure relates to a quantum dot light-emitting diode, comprising: a first electrode layer, a hole transport layer, a quantum dot light-emitting layer, an electron transport layer, and a second electrode layer, which are sequentially formed on a base substrate; and a buffer layer arranged between the quantum dot light-emitting layer and the electron transport layer, wherein the buffer layer is configured such that a difference between an electron injection rate and a hole transport rate of the quantum dot light-emitting layer is less than a preset threshold. The present disclosure further relates to a method for preparing a quantum dot light-emitting diode, and an array substrate and a display device including the quantum dot light-emitting diode.
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公开(公告)号：US20190207136A1
公开(公告)日：2019-07-04
申请号：US16053419
申请日：2018-08-02
Applicant: Boe Technology Group Co., Ltd.
Inventor： Zhuo Chen , Yanzhao Li
CPC classification number: H01L51/502 , H01L27/3211 , H01L51/009 , H01L51/56
Abstract: The present disclosure discloses a quantum-dot display substrate, a method for preparing the same, and a display panel. The quantum-dot display substrate includes a substrate and a plurality of light emitting sub-pixels disposed on the substrate, in which each of the light emitting sub-pixels includes a quantum-dot light emitting layer, and the quantum-dot light emitting layer includes a crosslinked network formed by crosslinking quantum dots having a crosslinkable ligand with a crosslinking agent.
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4.发明授权公开(公告)号：US10163988B2
公开(公告)日：2018-12-25
申请号：US15528422
申请日：2016-05-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jie Sun , Yanzhao Li , Chung-Chun Lee , Xiaoguang Xu , Zhuo Chen
Abstract: The present invention provides a light-emitting apparatus, a method for forming a light-emitting apparatus, and a display apparatus. The light-emitting apparatus comprises at least one OLED light-emitting unit and at least one quantum dot light-emitting unit, wherein the at least one quantum dot light-emitting unit and the at least one OLED light-emitting unit are arranged in series.
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公开(公告)号：US20180208843A1
公开(公告)日：2018-07-26
申请号：US15744970
申请日：2017-04-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhuo Chen
CPC classification number: C09K11/883 , B82Y20/00 , B82Y40/00 , C09K11/665 , Y02P20/544
Abstract: The present application discloses a method of preparing quantum dots. The method includes combining a first quantum dots precursor and a second quantum dots precursor to form a first reaction mixture including a supercritical liquid medium; nucleating and growing the quantum dots from the first quantum dots precursor and the second quantum dots precursor in the first reaction mixture including the supercritical liquid medium; and forming a solid quantum dots material in the presence of the supercritical liquid medium.
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Patent Agency Ranking
公开(公告)号：US11716871B2
公开(公告)日：2023-08-01
申请号：US17411691
申请日：2021-08-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H01L51/50 , H10K50/828 , H10K50/16 , H10K71/60 , H10K101/30
CPC classification number: H10K50/828 , H10K50/16 , H10K71/60 , H10K2101/30
Abstract: The present disclosure provides a light emitting diode, a method of preparing the same, and a display device. The light emitting diode includes an anode, a quantum dot light emitting layer, an electron transport layer, a cathode, and a transition layer located between the electron transport layer and the cathode, the cathode including a transparent conductive oxide material, and a material of the transition layer having a work function WF between an LUMO of a material of the electron transport layer and a work function WF of a material of the cathode.
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公开(公告)号：US20210305527A1
公开(公告)日：2021-09-30
申请号：US17266673
申请日：2020-02-21
Abstract: Disclosed are a display substrate and a method for manufacturing the same, and a display device, belonging to the technical field of display. The display substrate includes: a base substrate, an electroluminescent device layer on the base substrate, and a light-absorbing layer on a light-emitting side of the electroluminescent device layer, wherein the electroluminescent device layer is configured to emit initial light of a first color, wherein the initial light forms target light after passing through the light-absorbing layer, and a full width at half maximum of an emission spectrum of the initial light is greater than a full width at half maximum of an emission spectrum of the target light. According to the present disclosure, the display device is provided with a wider color gamut.
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公开(公告)号：US11133487B2
公开(公告)日：2021-09-28
申请号：US16630595
申请日：2019-07-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: The present disclosure provides a light emitting diode, a method of preparing the same, and a display device. The light emitting diode includes an anode, a light emitting layer, an electron transport layer, a cathode, and a metal transition layer located between the electron transport layer and the cathode, the cathode including a transparent conductive oxide material, and a material of the metal transition layer having a work function WF between an LUMO of a material of the electron transport layer and a work function WF of a material of the cathode.
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公开(公告)号：US10975014B2
公开(公告)日：2021-04-13
申请号：US15741756
申请日：2016-12-02
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhuo Chen
IPC: C07C51/15 , C08G61/02 , H01L51/50 , C07C63/44 , C09K11/02 , C09K11/88 , C07C57/40 , C07C1/30 , C07C51/353 , B82Y20/00 , B82Y40/00
Abstract: The present disclosure provides quantum dot organic ligand and preparation method thereof, quantum dot structure material, quantum-dot-containing layer, and quantum-dot-containing light emitting diode. The quantum dot organic ligand have the following structure R1-(R2)n-R3, wherein R1 is a chelating group capable of chelating with a metal; R2 is a group having a conjugated electron pair, and n is a positive integer; and R3 is organic group. The conjugated electron pair structure of R2 facilitates delocalization of electrons, which can improve the transport and conduction of electrons and/or holes, thereby improving the efficiency of quantum dots and lowering the turn-on voltage.
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10.发明申请公开(公告)号：US20200006711A1
公开(公告)日：2020-01-02
申请号：US16446722
申请日：2019-06-20
Applicant: BOE Technology Group Co., Ltd.
Abstract: Provided are a coating method, a display substrate and a manufacturing method thereof, and a display device. The coating method includes: forming a micro-fluid channel on a first surface of a first substrate, wherein the first surface is a surface to be coated of the first substrate, and a sidewall of the micro-fluid channel is the first surface of the first substrate; immersing one end of the micro-fluid channel into ink, to enable the ink to fill the micro-fluid channel; and drying the ink filling the micro-fluid channel to form a thin film on the first surface of the first substrate. The present disclosure can help implement uniform film formation of a quantum dot light-emitting layer at a high resolution, reduce the process difficulty of a high-resolution product and improve the device performance and the display performance.
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