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：US20180246374A1

公开(公告)日：2018-08-30

申请号：US15788940

申请日：2017-10-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shuilang DONG ,  Xinhong LU ,  Liwen DONG

IPC: G02F1/1335 ,  H01L27/12 ,  G02F1/1368

CPC classification number: G02F1/133553 ,  G02F1/133514 ,  G02F1/1368 ,  G02F2001/133357 ,  G02F2001/133567 ,  G02F2201/123 ,  G02F2201/50 ,  H01L27/1218 ,  H01L27/1262

Abstract: Embodiments of the present disclosure provide a reflective array substrate, a manufacturing method thereof, and a display device. The reflective array substrate includes a support substrate, an array structure layer and a light reflection layer, wherein the array structure layer is arranged on a first surface of the support substrate, the light reflection layer is arranged on a second surface of the support substrate, and the first surface and the second surface face away from each other.