-
21.发明申请公开(公告)号：US20250024750A1
公开(公告)日：2025-01-16
申请号：US18262965
申请日：2022-07-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shaoyong LU , Zhuo CHEN
Abstract: A quantum dot material includes: quantum dot bodies and a ligand material coordinated to the quantum dot bodies; the quantum dot material further includes: a cross-linking agent, the cross-linking agent includes at least two photoresponsive group and a linking group bonding the at least two photoresponsive groups. Under light illumination, each photoresponsive group in the at least two photoresponsive groups is bonded to the ligand material by a carbon-hydrogen insertion reaction to form a cross-linked ligand material; a solubility of the cross-linked ligand material in a solvent is less than a solubility of the ligand material and the cross-linking agent in the solvent.
-
公开(公告)号：US20250013147A1
公开(公告)日：2025-01-09
申请号：US18277589
申请日：2022-03-18
Abstract: The disclosure provides a quantum dot mixture, a quantum dot light emitting layer and a preparation method thereof, relates to the field of display technology. The preparation method of quantum dot light emitting layer includes: providing a substrate; forming a quantum dot film layer on one side of the substrate, which comprises a first quantum dot body-first ligand and a second quantum dot body-second ligand; exposing a predetermined region of the substrate to form a cross-linkage or a salt insoluble in the developer via a reaction between the first ligand and the second ligand in the predetermined region of the quantum dot film layer; and developing to remove the quantum dot film layer in the non-predetermined region of the substrate, and obtain the quantum dot light emitting layer. The disclosure provides a basis for the formation of the quantum dot light emitting layer using photolithography technology.
-
公开(公告)号：US20230276653A1
公开(公告)日：2023-08-31
申请号：US18312313
申请日：2023-05-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H10K50/828 , H10K50/16 , H10K71/60
CPC classification number: H10K50/828 , H10K50/16 , H10K71/60 , H10K2101/30
Abstract: A light emitting diode and a display device including the light emitting diode. The light emitting diode includes a first electrode, a quantum dot light emitting layer, a carrier transport layer and a second electrode, in which the light emitting diode further includes a metal transition layer located between the carrier transport layer and the second electrode, and the second electrode includes a transparent conductive oxide material.
-
24.发明申请公开(公告)号：US20220396729A1
公开(公告)日：2022-12-15
申请号：US17598638
申请日：2020-12-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haizheng ZHONG , Zhiwei LONG , Gaoling YANG , Kai GU , Yang LIU , Zhuo CHEN
Abstract: A method for preparing a ZnSe quantum dot, a ZnSe quantum dot, a ZnSe structure and a display device are provided. The method includes preparing a first zinc precursor solution, a second zinc precursor solution, a first selenium precursor solution, and a second selenium precursor solution with a lower reaction activity than the first selenium precursor solution, adding the first selenium precursor solution to the second zinc precursor solution to form an intermediate of the ZnSe quantum dot, performing the following operation at least once to form the ZnSe quantum dot: sequentially adding the first zinc precursor solution and the second selenium precursor solution to the intermediate of the ZnSe quantum dot and making the first zinc precursor solution, the second selenium precursor solution, and the intermediate of the ZnSe quantum dot react.
-
公开(公告)号：US20220282155A1
公开(公告)日：2022-09-08
申请号：US17750965
申请日：2022-05-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haizheng ZHONG , Zhiwei LONG , Gaoling YANG , Kai GU , Yang LIU , Zhuo CHEN
Abstract: A method for preparing a quantum dot, a quantum dot, and a display device, are provided. The method includes the following steps: providing a first precursor solution, a second precursor solution, a first selenium precursor solution, and a second selenium precursor solution with a lower reaction activity than the first selenium precursor solution; adding the first selenium precursor solution to the second precursor solution to form an intermediate of the quantum dot; performing the following step at least once to form the quantum dot: adding the first precursor solution and the second selenium precursor solution to the intermediate of the quantum dot and making them react.
-
Patent Agency Ranking
公开(公告)号：US20220238053A1
公开(公告)日：2022-07-28
申请号：US17580227
申请日：2022-01-20
Inventor： Dalong MAO , Jian ZHAO , Peng CHEN , Zizheng LIU , Zhuo CHEN , Dongxu YUAN , Hao YU , Man WANG
Abstract: Provided is a flexible display screen, including: a flexible substrate provided with a foldable portion; pixel units disposed on a first surface of the flexible substrate; and a fold detection device including a reflective grating structure, an optical waveguide structure and a photoelectric sensor, wherein the optical waveguide structure and the reflective grating structure are sequentially laminated on the first surface of the flexible substrate and both disposed in the foldable portion, an orthographic projection of the optical waveguide structure onto the flexible substrate is overlapped with an orthographic projection of the reflective grating structure onto the flexible substrate, and the optical waveguide structure is connected to the photoelectric sensor.
-
27.发明申请公开(公告)号：US20220123168A1
公开(公告)日：2022-04-21
申请号：US17270984
申请日：2020-05-12
Abstract: A quantum dot light emitting structure and a method for manufacturing the same, an array substrate, and a display device are disclosed. The quantum dot light emitting structure includes a quantum dot light emitting layer, an electrode, and an electron transport layer located between the quantum dot light emitting layer and the electrode; the quantum dot light emitting structure further includes an electron blocking layer located in the electron transport layer.
-
28.发明申请公开(公告)号：US20200028106A1
公开(公告)日：2020-01-23
申请号：US16585599
申请日：2019-09-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanzhao LI , Chungchun LEE , Zhuo CHEN , Yuanming ZHANG
Abstract: A quantum dot light-emitting diode substrate having a bonding layer and a method of preparing the same are provided. The quantum dot light-emitting diode substrate including a plurality of sub-pixel light-emitting regions, wherein each of the sub-pixel light-emitting regions includes a light-emitting layer including a bonding layer and a quantum dot bonded to the bonding layer. The quantum dot light-emitting diode substrate can be prepared with high resolution by a convenient process, and is suitable for mass production.
-
公开(公告)号：US20180351125A1
公开(公告)日：2018-12-06
申请号：US15529877
申请日：2016-11-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yuedi HE , Yanzhao LI , Long WANG , Zhuo CHEN
CPC classification number: H01L51/5028 , C09K11/06 , C09K2211/185 , H01L51/0003 , H01L51/0085 , H01L51/5016 , H01L51/502 , H01L51/5072 , H01L51/56 , H01L2251/558
Abstract: The present disclosure provides a light-emitting device and manufacturing method thereof, and a display apparatus containing the light-emitting device. The light-emitting device comprises a quantum dot light-emitting layer, an electron transport layer, and an energy transfer layer. The quantum dot light-emitting layer comprises a quantum dot material. The energy transfer layer is between the quantum dot light-emitting layer and the electron transport layer. The energy transfer layer is configured to facilitate a transfer of energy from the electron transport layer to the quantum dot light-emitting layer such that the quantum dot light-emitting layer has an improved electroluminescence efficiency compared with the quantum dot light-emitting layer having an energy transferred directly from the electron transport layer without the energy transfer layer.
-
公开(公告)号：US20180221903A1
公开(公告)日：2018-08-09
申请号：US15569368
申请日：2017-05-15
Inventor： Shuai CHEN , Rima BAO , Zhuo CHEN , Jianwei GUO , Mingming GAO
CPC classification number: B05B13/041 , B05D1/025 , B32B37/00 , B32B37/18 , G02F1/1303 , G02F1/1309 , G02F1/1339 , H01J2329/8675 , H01L51/5246
Abstract: A method of coating frame sealant and device are disclosed, to coat areas having different shapes and widths with the frame sealant. The method of coating frame sealant comprises the steps of dividing an area to be coated with frame sealant on a display panel into different subareas based on a contour of the area, the subareas comprising a linear-type subarea to be coated with the frame sealant and a curve-type subarea to be coated with the frame sealant; providing a coating instruction for each subarea to be coated with the frame sealant among the different subareas; and coating the frame sealant to the subarea according to the coating instruction.
-
-
-
-
-
-
-
-
-
Search Results
31
records
(took 0.024 seconds)
