公开(公告)号：US20210255381A1

公开(公告)日：2021-08-19

申请号：US16649651

申请日：2019-03-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shuilang DONG ,  Xiandong MENG ,  Wenqu LIU ,  Jifeng TAN ,  Wei TAN

IPC: F21V8/00 ,  G02B1/14 ,  C23F1/02 ,  G03F7/00

Abstract: The present disclosure provides a collimating backlight module, a preparation method thereof and a display device. The method for preparing the collimating backlight module includes: providing a light guide plate; forming a protective layer on a light emitting side of the light guide plate, where the protective layer simultaneously covers a light emitting area and a non-light emitting area of the light emitting side, a hollow area is formed on the protective layer, to expose the light emitting area of the light guide plate; and forming a light taking grating on the light emitting area of the light guide plate.

公开(公告)号：US20210165317A1

公开(公告)日：2021-06-03

申请号：US16772964

申请日：2019-10-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei TAN ,  Kang GUO ,  Xin GU

IPC: G03F7/00 ,  B32B37/12 ,  B29C59/02

Abstract: The present disclosure provides an imprint template, including: a base substrate, a pattern layer for imprinting and a planarization layer; wherein the planarization layer is located on a surface of the pattern layer facing away from the base substrate, and a surface of the planarization layer facing away from the base substrate is a plane; and the planarization layer and the pattern layer are configured such that under a specific film removing process, the planarization layer is removed while the pattern layer remains. The present disclosure further provides a preparation method of an imprint template, and an imprint method.