US 12,232,358 B2
Organic electroluminescent display module and manufacturing method therefor, and display device
Jian He, Beijing (CN); Yu Zhang, Beijing (CN); and Feng Xiao, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/771,823
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jun. 1, 2021, PCT No. PCT/CN2021/097747
§ 371(c)(1), (2) Date Apr. 26, 2022,
PCT Pub. No. WO2021/249246, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 202010525529.0 (CN), filed on Jun. 10, 2020.
Prior Publication US 2022/0376214 A1, Nov. 24, 2022
Int. Cl. H01L 51/50 (2006.01); H10K 50/86 (2023.01); H10K 59/38 (2023.01); H10K 59/12 (2023.01); H10K 59/40 (2023.01); H10K 102/00 (2023.01)
CPC H10K 50/865 (2023.02) [H10K 59/38 (2023.02); H10K 59/12 (2023.02); H10K 59/40 (2023.02); H10K 2102/331 (2023.02)] 17 Claims
OG exemplary drawing
 
1. An organic electroluminescent display module comprising: a base substrate, an organic electroluminescent device, and a light absorption layer; wherein
the organic electroluminescent device is located on the base substrate, and the light absorption layer is located on a side of the organic electroluminescent device away from the base substrate;
the light absorption layer comprises a modified color filtering layer, or comprises a color filtering layer and a modified optically transparent adhesive layer located on a side of the color filtering layer;
the modified color filtering layer at least comprises a red modified layer, a green modified layer and a blue modified layer; the red modified layer is provided at a position where a red sub-pixel needs to be formed, the green modified layer is provided at a position where a green sub-pixel needs to be formed, and the blue modified layer is provided at a position where a blue sub-pixel needs to be formed; each of the red modified layer, the green modified layer and the blue modified layer is provided therein with nanoparticles configured to absorb ambient light; and
the color filtering layer at least comprises a red filtering layer, a green filtering layer and a blue filtering layer; the red filtering layer is provided at a position where a red sub-pixel needs to be formed, the green filtering layer is provided at a position where a green sub-pixel needs to be formed, and the blue filtering layer is provided at a position where a blue sub-pixel needs to be formed; the modified optically transparent adhesive layer is provided therein with the nanoparticles configured to absorb the ambient light;
wherein the organic electroluminescent display module further comprises a touch structure; wherein
the touch structure is located on a side of the modified color filtering layer close to the organic electroluminescent device; or,
the touch structure is located on a side of the modified color filtering layer away from the organic electroluminescent device.