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1. 发明公开

US20240209228A1 QUANTUM DOT INK, QUANTUM DOT FILM, PREPARATION METHOD THEREOF AND DISPLAY SUBSTRATE 审中-公开
公开(公告)号：US20240209228A1
公开(公告)日：2024-06-27
申请号：US17794684
申请日：2021-08-20
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Tieshi Wang
IPC分类号： C09D11/38 , C09K11/02 , C09K11/06
CPC分类号： C09D11/38 , C09K11/02 , C09K11/06 , C09K2211/1022
摘要： A quantum dot ink, a quantum dot film, a preparation method thereof and a display substrate are provided in the present disclosure, which relates to a technical field of displaying. The quantum dot ink includes: a first ink including at least a quantum dot body and a ligand coordinated on a surface of the quantum dot body, the ligand including an R1 group; and a second ink including at least a reactive compound, the reactive compound being configured for being capable of interacting with the R1 group and cause the quantum dot body to deposit to form a film. The quantum dot film prepared by the quantum dot ink has good film-forming uniformity, thus improving display effect of the display product prepared by the quantum dot film.

2. 发明授权

US11851593B2 Nanoparticle having ligand with changeable polarity, nanoparticle layer patterning method and related application 有权
公开(公告)号：US11851593B2
公开(公告)日：2023-12-26
申请号：US17351376
申请日：2021-06-18
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Zhuo Chen , Tieshi Wang
IPC分类号： C09K11/06 , G03F7/004 , H10K50/115 , H10K71/00 , B82Y40/00 , B82Y20/00
CPC分类号： C09K11/06 , G03F7/0042 , H10K50/115 , H10K71/00 , B82Y20/00 , B82Y40/00
摘要： The present disclosure discloses a nanoparticle, a nanoparticle layer patterning method and related application. When the nanoparticle disclosed by the present disclosure is adopted to form a patterned nanoparticle layer on a substrate, a photosensitive material is added in the nanoparticle, then a protective group in a first ligand is dissociated to form an amino under the irradiation of light with a preset wavelength, a second ligand including an amino is formed on a surface of a nanometer particle, and a polarity of the second ligand is different from a polarity of the first ligand; and the amino of the second ligand is cross-linked with an adjacent nanoparticle.

3. 发明申请

US20220169922A1 NANOPARTICLE, NANOPARTICLE LAYER PATTERNING METHOD AND RELATED APPLICATION 有权
公开(公告)号：US20220169922A1
公开(公告)日：2022-06-02
申请号：US17351376
申请日：2021-06-18
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Zhuo CHEN , Tieshi Wang
IPC分类号： C09K11/06 , G03F7/004 , H01L51/50 , H01L51/56
摘要： The present disclosure discloses a nanoparticle, a nanoparticle layer patterning method and related application. When the nanoparticle disclosed by the present disclosure is adopted to form a patterned nanoparticle layer on a substrate, a photosensitive material is added in the nanoparticle, then a protective group in a first ligand is dissociated to form an amino under the irradiation of light with a preset wavelength, a second ligand including an amino is formed on a surface of a nanometer particle, and a polarity of the second ligand is different from a polarity of the first ligand; and the amino of the second ligand is cross-linked with an adjacent nanoparticle.

4. 发明公开

US20240276856A1 PREPARATION METHOD OF LIGHT-EMITTING DEVICE, LIGHT-EMITTING DEVICE AND LIGHT-EMITTING APPARATUS 审中-公开
公开(公告)号：US20240276856A1
公开(公告)日：2024-08-15
申请号：US17925360
申请日：2021-12-20
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Tieshi Wang
IPC分类号： H10K71/12 , H10K50/115 , H10K50/15 , H10K59/35 , H10K102/00
CPC分类号： H10K71/125 , H10K50/115 , H10K50/156 , H10K59/35 , H10K2102/351
摘要： Disclosed are a preparation method of a light-emitting device, a light-emitting device, and a light-emitting apparatus. The light-emitting device includes a substrate, and a first electrode and a carrier assist layer that are arranged in stack on a side of the substrate, the first electrode is arranged adjacent to the substrate, and the preparation method includes: providing a substrate; forming the first electrode on a side of the substrate, the first electrode being provided with a patterned shape; by adopting an electrochemical polymerization method, placing the first electrode in an electrolyte solution as a positive electrode or a working electrode, and polymerizing polymerizable monomers in the electrolyte solution at the surface of the first electrode to form the carrier assist layer, where the material of the carrier assist layer includes a polymer of the polymerizable monomers.

5. 发明公开

US20240224582A1 LIGHT EMITTING DEVICE AND FABRICATING METHOD THEREOF, AND LIGHT EMITTING APPARATUS 审中-公开
公开(公告)号：US20240224582A1
公开(公告)日：2024-07-04
申请号：US17925376
申请日：2021-12-27
申请人： Beijing BOE Technology Development Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Tieshi Wang , Zhuo Chen
IPC分类号： H10K50/84 , H10K50/115 , H10K50/85
CPC分类号： H10K50/846 , H10K50/115 , H10K50/85
摘要： 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.

6. 发明授权

US11869423B2 Pixel circuit and driving method thereof, display panel and display apparatus 有权
公开(公告)号：US11869423B2
公开(公告)日：2024-01-09
申请号：US16486201
申请日：2019-01-14
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Xueling Gao , Chengchung Yang , Tieshi Wang , Jintao Peng
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2310/08 , G09G2320/0233 , G09G2320/041 , G09G2320/045 , G09G2330/028
摘要： A pixel circuit, a display panel, a display apparatus and a driving method. The pixel circuit includes a data signal writing module, a driving module, a threshold compensation transistor, a first power voltage writing module and a light-emitting module, wherein the driving module includes a driving transistor.

7. 发明授权

US11778882B2 Display panel and manufacturing method thereof, and display device 有权
公开(公告)号：US11778882B2
公开(公告)日：2023-10-03
申请号：US17199489
申请日：2021-03-12
申请人： BOE Technology Group Co., Ltd.
发明人： Zhiqiang Xu , Wei Qin , Weixing Liu , Kai Guo , Tieshi Wang
IPC分类号： H01L27/32 , H01L51/56 , H10K59/35 , H01L27/12 , H10K59/12 , H10K71/00 , G09G3/20 , H10K59/65
CPC分类号： H10K59/353 , H01L27/124 , H10K59/12 , H10K59/351 , H10K71/00 , G09G3/2003 , G09G2300/0452 , H10K59/1201 , H10K59/65
摘要： A display panel includes a base substrate and a plurality of sub-pixel groups. The plurality of sub-pixel groups includes a first sub-pixel group and a second sub-pixel group. The first sub-pixel group includes two adjacent sub-pixels with a first interval therebetween, and the second sub-pixel group includes two adjacent sub-pixels with a second interval therebetween. The first interval is different from the second interval.

8. 发明授权

US11539016B2 Light-emitting device, display apparatus and manufacturing method 有权
公开(公告)号：US11539016B2
公开(公告)日：2022-12-27
申请号：US17351312
申请日：2021-06-18
申请人： BOE Technology Group Co., Ltd.
发明人： Tieshi Wang
IPC分类号： H01L29/08 , H01L51/50 , H01L51/56
摘要： The present disclosure discloses a light-emitting device, a display apparatus and a manufacturing method. The light-emitting device includes: an electron transfer layer located between a light-emitting layer and a cathode, where a material of the electron transfer layer includes an inner core and a shell layer wrapping the inner core; when the number of electrons reaching the light-emitting layer in unit time is greater than the number of holes reaching the light-emitting layer in unit time, and a difference value between the number of the electrons reaching the light-emitting layer in unit time and the number of the holes reaching the light-emitting layer in unit time exceeds a preset threshold range, a particle size of the inner core is reduced and/or a thickness of the shell layer is increased; and when the number of the electrons reaching the light-emitting layer in unit time is smaller than the number of the holes reaching the light-emitting layer in unit time, and the difference value between the number of the electrons reaching the light-emitting layer in unit time and the number of the holes reaching the light-emitting layer in unit time exceeds the preset threshold range, the particle size of the inner core is increased and/or the thickness of the shell layer is reduced.

9. 发明授权

US11443677B2 Display panel, display method thereof, and display apparatus 有权
公开(公告)号：US11443677B2
公开(公告)日：2022-09-13
申请号：US16772312
申请日：2020-02-19
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Dongxu Han , Chi Zhang , Tieshi Wang , Zhongyuan Wu , Yongqian Li , Jinxia Hu
IPC分类号： G09G3/20 , G09G3/3208
摘要： The present disclosure relates to a display method of a display panel. The display method may include obtaining original luminance of three single color subpixels in each of the pixel units based on an image to be displayed; obtaining luminance compensation values of the three single color subpixels that need to be color compensated at a time of obtaining the luminance of the mixed color subpixel as the first substitute luminance; calculating luminance of the mixed color produced by the three single color subpixels in the pixel unit respectively based on each of the luminance of the three single color subpixels after color compensation; and setting input luminance of the single color subpixel having the smallest luminance of the mixed color as 0, and obtaining actual luminance of the other single color subpixels and the mixed color subpixel.

10. 发明申请

US20210225246A1 DISPLAY PANEL, DISPLAY METHOD THEREOF, AND DISPLAY APPARATUS 有权
公开(公告)号：US20210225246A1
公开(公告)日：2021-07-22
申请号：US16772312
申请日：2020-02-19
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Dongxu Han , Chi Zhang , Tieshi Wang , Zhongyuan Wu , Yongqian Li , Jinxia Hu
IPC分类号： G09G3/20 , G09G3/3208
摘要： The present disclosure relates to a display method of a display panel, The display method may include obtaining original luminance of three single color subpixels in each of the pixel units based on an image to be displayed; obtaining luminance compensation values of the three single color subpixels that need to be color compensated at a time of obtaining the luminance of the mixed color subpixel as the first substitute luminance; calculating luminance of the mixed color produced by the three single color subpixels in the pixel unit respectively based on each of the luminance of the three single color subpixels after color compensation; and setting input luminance of the single color subpixel having the smallest luminance of the mixed color as 0, and obtaining actual luminance of the other single color subpixels and the mixed color subpixel.

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