公开(公告)号：US20240295685A1

公开(公告)日：2024-09-05

申请号：US17914742

申请日：2021-11-16

Applicant: Beijing BOE Display Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Qiaoke ZHOU ,  Zhanchang BU ,  Bochang WANG ,  Xiang LI ,  Bo LI ,  Jing WANG ,  Hui GUO

IPC: F21V8/00

CPC classification number: G02B6/0053 ,  G02B6/0036 ,  G02B6/0086

Abstract: Disclosed are a backlight module and a display device. The backlight module includes a backplate, a led-bar, a light guide plate and an optical sheet group; wherein the led-bar includes a plurality of light sources disposed towards the light entrance surface of the light guide plate; the light exit surface and the light entrance surface of the light guide plate are adjacent; a portion of the light exit surface of the light guide plate near the light entrance surface is provided with a step structure in which heights of steps gradually decrease in a first direction; the optical sheet group includes a plurality of optical sheets stacked on the side where the light exit surface of the light guide plate is located, and each of the optical sheets is fixed to a corresponding step in the step structure.

公开(公告)号：US20240085738A1

公开(公告)日：2024-03-14

申请号：US18263619

申请日：2021-10-29

Applicant: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Bochang WANG ,  Shanlei HOU ,  Haijun SHI ,  Zhaoshou TIAN ,  Xiaodi SUN ,  Hui GUO

IPC: G02F1/13357

CPC classification number: G02F1/133608 ,  G02F1/133603

Abstract: The embodiments of the present disclosure provide a display module and a middle frame, the display module includes a backlight module and a display panel, the backlight module includes a back plate, a first light source, a middle frame. The back plate includes a bottom plate, the first light source is on the bottom plate, the middle frame is between the bottom plate and the display panel. A side of the middle frame close to the display panel includes a first bearing portion and a second bearing portion, the first bearing portion is at an edge of the middle frame, a second light source is on the first bearing portion, the second bearing portion is on a side of the first bearing portion close to a display region of the display panel, the second bearing portion is connected to a position of the display panel corresponding to the display region.

公开(公告)号：US20230274411A1

公开(公告)日：2023-08-31

申请号：US18014838

申请日：2021-11-11

Applicant: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qiaoke ZHOU ,  Bo LI ,  Jing WANG ,  Xiang LI ,  Guojian QU ,  Bochang WANG ,  Tanhong ZHAO ,  Hui GUO

IPC: G06T7/00 ,  G06T5/00 ,  G06V10/764 ,  G06V10/82 ,  G06V10/60 ,  G06V10/20

CPC classification number: G06T7/001 ,  G06T5/002 ,  G06V10/20 ,  G06V10/60 ,  G06V10/764 ,  G06V10/82 ,  G06T2207/20084 ,  G06T2207/30108

Abstract: A display defect detection method, includes: collecting at least one display image of at least one display to be detected; extracting a plurality of band-limited intrinsic mode function components from a display image in the at least one display image by using a complex variational mode decomposition method; extracting and fusing the plurality of band-limited intrinsic mode function components of the display image by using a convolutional neural network, so as to obtain an average brightness value and a brightness uniformity of the display image; and determining whether a display to be detected in the at least one display to be detected corresponding to the display image is qualified according to a preset classification rule and the average brightness value and the brightness uniformity of the display image.