(19)
(11) EP 4 544 608 A1

(12)

(43) Date of publication:
30.04.2025 Bulletin 2025/18

(21) Application number: 23913894.4

(22) Date of filing: 03.01.2023
(51) International Patent Classification (IPC): 
H01L 33/50(2010.01)
H10K 59/38(2023.01)
 G02B 5/20(2006.01)
(52) Cooperative Patent Classification (CPC):
H10K 59/38; G02B 5/201; G02B 5/22; H10H 20/851
(86) International application number:
PCT/CN2023/070046
(87) International publication number:
WO 2024/145731 (11.07.2024 Gazette 2024/28)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(71) Applicants:
  • Boe Technology Group Co., Ltd.
    Beijing 100015 (CN)
  • Chengdu BOE Optoelectronics Technology Co., Ltd.
    Chengdu, Sichuan 611731 (CN)

(72) Inventors:
  • ZENG, Cheng
    Beijing 100176 (CN)
  • LEE, Jaeho
    Beijing 100176 (CN)
  • GAO, Dongyu
    Beijing 100176 (CN)
  • MA, Lulin
    Beijing 100176 (CN)
  • WANG, Qiyun
    Beijing 100176 (CN)
  • WEI, Zhenye
    Beijing 100176 (CN)

(74) Representative: Durán-Corretjer, S.L.P. 
Còrsega, 329 (Paseo de Gracia/Diagonal)
08037 Barcelona
08037 Barcelona (ES)

   


(54) COLOR CONVERSION SUBSTRATE AND DISPLAY APPARATUS