公开(公告)号：US11205762B2

公开(公告)日：2021-12-21

申请号：US16641354

申请日：2019-03-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yu Ju Chen ,  Zhuo Chen ,  Gang Yu

IPC: H01L33/00 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: A display substrate and a manufacturing method thereof are provided. The manufacturing method includes: providing a base substrate; and forming a luminescent element on the base substrate which includes sequentially forming of a first electrode, a luminescent material layer and a second electrode on the base substrate, and a microprism structure is formed on a light-emitting side of the luminescent material layer.

公开(公告)号：US11635555B2

公开(公告)日：2023-04-25

申请号：US16641757

申请日：2018-08-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jing Yu ,  Gang Yu ,  Yu Ju Chen

IPC: G02B5/20 ,  G02B5/28 ,  G02F1/1335 ,  G02F1/13357 ,  B82Y20/00 ,  G02F2/02 ,  G02F1/017 ,  H01L33/50

Abstract: A color filter, a method for manufacturing a color filter, a color filter substrate, and a display device are disclosed. The color filter includes a first quantum dot light emitting layer and a first reflective layer. The first quantum dot light emitting layer has a light incident surface; and the first reflective layer is on a side of the first quantum dot light emitting layer away from the light incident surface, the first quantum dot light emitting layer includes a plurality of first quantum dots, the first quantum dots are configured to be stimulated by light of a first wavelength from the light incident surface to emit light of a second wavelength, and the first reflective layer is configured to transmit the light of the second wavelength and reflect the light of the first wavelength.

公开(公告)号：US11281044B2

公开(公告)日：2022-03-22

申请号：US16485055

申请日：2019-01-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yu Ju Chen ,  Gang Yu ,  Jing Yu

IPC: G02F1/1335 ,  H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52

Abstract: There is provided a color filter sheet, a production method of a color filter sheet, and a display apparatus. A first quantum dot light-emitting portion, in which a light incident surface or a light emergent surface is a convex surface, is present on a base substrate of the color filter sheet, wherein the first quantum dot light-emitting portion is configured to emit light having a second wavelength after excitation with light having a first wavelength from the light incident surface.

公开(公告)号：US20200257163A1

公开(公告)日：2020-08-13

申请号：US16485055

申请日：2019-01-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yu Ju Chen ,  Gang Yu ,  Jing Yu

IPC: G02F1/1335 ,  H01L51/00 ,  H01L51/50 ,  H01L27/32 ,  H01L51/52

Abstract: There is provided a color filter sheet, a production method of a color filter sheet, and a display apparatus. A first quantum dot light-emitting portion, in which a light incident surface or a light emergent surface is a convex surface, is present on a base substrate of the color filter sheet, wherein the first quantum dot light-emitting portion is configured to emit light having a second wavelength after excitation with light having a first wavelength from the light incident surface.