US 12,442,493 B2
Light emitting panel, preparation method thereof, and light emitting apparatus
Xing Liu, Beijing (CN); Hai Tang, Beijing (CN); Xiaolin Geng, Beijing (CN); Xiao Wang, Beijing (CN); Liang Gao, Beijing (CN); and Haoyu Zhou, Beijing (CN)
Assigned to HEFEI BOE RUISHENG TECHNOLOGY CO., LTD., Anhui (CN); and BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., Beijing (CN)
Appl. No. 18/274,482
Filed by HEFEI BOE RUISHENG TECHNOLOGY CO., LTD., Anhui (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jul. 8, 2022, PCT No. PCT/CN2022/104709
§ 371(c)(1), (2) Date Jul. 27, 2023,
PCT Pub. No. WO2024/007324, PCT Pub. Date Jan. 11, 2024.
Prior Publication US 2025/0043927 A1, Feb. 6, 2025
Int. Cl. F21K 9/68 (2016.01); F21K 9/90 (2016.01); F21Y 105/16 (2016.01); F21Y 115/10 (2016.01)
CPC F21K 9/68 (2016.08) [F21K 9/90 (2013.01); F21Y 2105/16 (2016.08); F21Y 2115/10 (2016.08)] 13 Claims
OG exemplary drawing
 
13. A light emitting apparatus comprising a light emitting panel,
wherein the light emitting panel comprises:
a base;
a reflective layer located on a side of the base, wherein the reflective layer comprises a plurality of grooves arranged in an array;
a plurality of devices located in the grooves and electrically connected to the base; and
a first optical film located on a side of the reflective layer facing away from the base, wherein an orthographic projection of the first optical film on the base covers an orthographic projection of the reflective layer on the base, and at least partial areas of the reflective layer are in direct contact with the first optical film;
wherein orthographic projections of outer contours of every two adjacent grooves on the base are separated from each other; the reflective layer comprises groove arrangement areas and a connection area between two adjacent groove arrangement areas, and the groove is located in the groove arrangement area;
wherein the part of the reflective layer located in the groove arrangement area comprises the groove and a supporting portion surrounding the groove, and the part of the reflective layer located in the connection area comprises a connection portion; the supporting portion is configured to support the first optical film, a sidewall of the groove is configured to reflect and converge light emitted by the device, and the connection portion is configured to reflect the light into the first optical film.