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Extract from the Register of European Patents

EP About this file: EP4040491

EP4040491 - DISPLAY SUBSTRATE, MANUFACTURING METHOD THEREFOR, DISPLAY DEVICE AND DISPLAY PANEL [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  08.07.2022
Database last updated on 25.09.2024
FormerThe international publication has been made
Status updated on  12.11.2021
Most recent event   Tooltip15.03.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
BOE Technology Group Co., Ltd.
No. 10 Jiuxianqiao Rd.
Chaoyang District
Beijing 100015 / CN
[2022/32]
Inventor(s)01 / ZHU, Xiaoyan
Beijing 100176 / CN
 [2022/32]
Representative(s)Isarpatent
Patent- und Rechtsanwälte Barth
Charles Hassa Peckmann & Partner mbB
Friedrichstrasse 31
80801 München / DE
[2022/32]
Application number, filing date20934263.306.05.2020
[2022/32]
WO2020CN88695
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021223086
Date:11.11.2021
Language:ZH
[2021/45]
Type: A1 Application with search report 
No.:EP4040491
Date:10.08.2022
Language:EN
[2022/32]
Search report(s)International search report - published on:CN11.11.2021
(Supplementary) European search report - dispatched on:EP07.12.2022
ClassificationIPC:H01L27/12, H01L51/52
[2022/32]
CPC:
H01L25/167 (EP,KR); H01L27/1218 (EP,KR); H01L33/62 (US);
H01L27/1237 (KR); H01L27/124 (EP,KR); H01L27/1262 (KR);
H01L27/156 (KR); H01L33/005 (US); H01L2933/0066 (US) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2022/32]
TitleGerman:ANZEIGESUBSTRAT, HERSTELLUNGSVERFAHREN DAFÜR, ANZEIGEVORRICHTUNG UND ANZEIGETAFEL[2022/32]
English:DISPLAY SUBSTRATE, MANUFACTURING METHOD THEREFOR, DISPLAY DEVICE AND DISPLAY PANEL[2022/32]
French:SUBSTRAT D'AFFICHAGE, SON PROCÉDÉ DE FABRICATION, DISPOSITIF D'AFFICHAGE ET PANNEAU D'AFFICHAGE[2022/32]
Entry into regional phase06.05.2022Translation filed 
06.05.2022National basic fee paid 
06.05.2022Search fee paid 
06.05.2022Designation fee(s) paid 
06.05.2022Examination fee paid 
Examination procedure06.05.2022Examination requested  [2022/32]
13.07.2023Amendment by applicant (claims and/or description)
13.07.2023Date on which the examining division has become responsible
Fees paidRenewal fee
06.05.2022Renewal fee patent year 03
21.03.2023Renewal fee patent year 04
15.03.2024Renewal fee patent year 05
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Documents cited:Search[A]CA2987165  (CHAJI REZA [CA]);
 [A]US2020043400  (CHEN JIA-YUAN [TW], et al)
International search[A]CN205750219U  (XIAMEN TIANMA MICRO ELECTRONICS CO LTD , et al);
 [Y]US2017294463  (YAMAZAKI SHUNPEI [JP], et al);
 [A]CN107403807  (SEMICONDUCTOR ENERGY LAB);
 [Y]CN109728188  (LG DISPLAY CO LTD);
 [A]CN109949703  (BOE TECHNOLOGY GROUP CO LTD, et al);
 [A]TW201947561  (AU OPTRONICS CORP [TW])
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.