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Extract from the Register of European Patents

EP About this file: EP3647392

EP3647392 - LIGHT-EMITTING MATERIAL, COMPOUND, LONG-PERSISTENT PHOSPHOR AND LIGHT-EMITTING ELEMENT [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  11.07.2025
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  06.08.2021
FormerGrant of patent is intended
Status updated on  07.04.2021
FormerExamination is in progress
Status updated on  24.12.2020
FormerRequest for examination was made
Status updated on  03.04.2020
FormerThe international publication has been made
Status updated on  04.01.2019
Most recent event   Tooltip19.12.2025Lapse of the patent in a contracting state
New state(s): TR		published on 21.01.2026  [2026/04]
Applicant(s)For all designated states
Kyulux, Inc.
4-1, Kyudai-Shinmachi
Nishi-ku
Fukuoka-shi, Fukuoka 819-0388 / JP
[2020/19]
Inventor(s)01 / NOTSUKA Naoto
c/o KYULUX Inc.
4-1 Kyudai-Shinmachi
Nishi-ku
Fukuoka-shi Fukuoka 819-0388 / JP
02 / YANG YuSeok
c/o KYULUX Inc.
4-1 Kyudai-Shinmachi
Nishi-ku
Fukuoka-shi Fukuoka 819-0388 / JP
03 / YOSHIZAKI Asuka
c/o KYULUX Inc.
4-1 Kyudai-Shinmachi
Nishi-ku
Fukuoka-shi Fukuoka 819-0388 / JP
 [2020/19]
Representative(s)Zimmermann & Partner Patentanwälte mbB
Postfach 330 920
80069 München / DE
[2020/19]
Application number, filing date18824986.627.06.2018
[2020/19]
WO2018JP24302
Priority number, dateJP2017012494727.06.2017         Original published format: JP 2017124947
JP2018011475815.06.2018         Original published format: JP 2018114758
[2020/19]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019004254
Date:03.01.2019
Language:JA
[2019/01]
Type: A1 Application with search report 
No.:EP3647392
Date:06.05.2020
Language:EN
[2020/19]
Type: B1 Patent specification 
No.:EP3647392
Date:08.09.2021
Language:EN
[2021/36]
Type: B2 New European patent specification 
No.:EP3647392
Date:13.08.2025
Language:EN
[2025/33]
Search report(s)International search report - published on:JP03.01.2019
(Supplementary) European search report - dispatched on:EP06.05.2020
ClassificationIPC:C09K11/06, C07C255/58, C07D209/88, C07D405/14, H01L51/50
[2020/19]
CPC:
C09K11/06 (EP,KR,US); C07C255/42 (US); C07C255/58 (EP,KR);
C07D209/86 (US); C07D209/88 (EP,KR); C07D405/14 (EP,KR,US);
H10K85/626 (US); H10K85/631 (US); H10K85/6572 (US);
H10K85/6574 (US); C09K2211/1007 (EP,US); C09K2211/1014 (US);
C09K2211/1018 (US); C09K2211/1029 (EP); H10K2101/10 (US);
H10K2101/20 (EP,KR,US); H10K50/11 (EP,KR,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 [2020/19]
TitleGerman:LICHTEMITTIERENDES MATERIAL, VERBINDUNG, DAUERLEUCHTSTOFF UND LICHTEMITTIERENDES ELEMENT[2020/19]
English:LIGHT-EMITTING MATERIAL, COMPOUND, LONG-PERSISTENT PHOSPHOR AND LIGHT-EMITTING ELEMENT[2020/19]
French:MATÉRIAU ÉLECTROLUMINESCENT, COMPOSÉ, PHOSPHORE À LONGUE PERSISTANCE ET ÉLÉMENT ÉLECTROLUMINESCENT[2020/19]
Entry into regional phase27.01.2020Translation filed 
27.01.2020National basic fee paid 
27.01.2020Search fee paid 
27.01.2020Designation fee(s) paid 
27.01.2020Examination fee paid 
Examination procedure27.01.2020Examination requested  [2020/19]
26.11.2020Amendment by applicant (claims and/or description)
23.12.2020Despatch of a communication from the examining division (Time limit: M04)
09.02.2021Reply to a communication from the examining division
08.04.2021Communication of intention to grant the patent
29.07.2021Fee for grant paid
29.07.2021Fee for publishing/printing paid
29.07.2021Receipt of the translation of the claim(s)
Opposition(s)Opponent(s)01  07.06.2022  09.06.2022  ADMISSIBLE
EDP PATENT ATTORNEYS B.V.
Agro Business Park 2
6708 PW Wageningen / NL
 [2022/28]
23.06.2022Invitation to proprietor to file observations on the notice of opposition
28.10.2022Reply of patent proprietor to notice(s) of opposition
20.12.2023Cancellation of oral proceeding that was planned for 01.02.2024
01.02.2024Date of oral proceedings
04.07.2024Despatch of a communication from the opposition division (Time limit: M02)
04.09.2024Reply to a communication from the opposition division
10.01.2025Despatch of interlocutory decision in opposition
10.01.2025Legal effect of interlocutory decision in opposition
16.04.2025Despatch of communication that the patent will be maintained as amended
Fees paidRenewal fee
15.06.2020Renewal fee patent year 03
14.06.2021Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU27.06.2018
AL08.09.2021
AT08.09.2021
CY08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
MK08.09.2021
MT08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
TR08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.06.2022
IE27.06.2022
LU27.06.2022
BE30.06.2022
CH30.06.2022
FR30.06.2022
LI30.06.2022
[2026/04]
Former [2024/44]HU27.06.2018
AL08.09.2021
AT08.09.2021
CY08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
MK08.09.2021
MT08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.06.2022
IE27.06.2022
LU27.06.2022
BE30.06.2022
CH30.06.2022
FR30.06.2022
LI30.06.2022
Former [2024/24]HU27.06.2018
AL08.09.2021
AT08.09.2021
CY08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
MK08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.06.2022
IE27.06.2022
LU27.06.2022
BE30.06.2022
CH30.06.2022
FR30.06.2022
LI30.06.2022
Former [2024/23]AL08.09.2021
AT08.09.2021
CY08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
MK08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.06.2022
IE27.06.2022
LU27.06.2022
BE30.06.2022
CH30.06.2022
FR30.06.2022
LI30.06.2022
Former [2024/20]AL08.09.2021
AT08.09.2021
CY08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.06.2022
IE27.06.2022
LU27.06.2022
BE30.06.2022
CH30.06.2022
FR30.06.2022
LI30.06.2022
Former [2023/27]AL08.09.2021
AT08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
GB27.06.2022
IE27.06.2022
LU27.06.2022
BE30.06.2022
CH30.06.2022
FR30.06.2022
LI30.06.2022
Former [2023/25]AL08.09.2021
AT08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
IE27.06.2022
LU27.06.2022
BE30.06.2022
CH30.06.2022
FR30.06.2022
LI30.06.2022
Former [2023/22]AL08.09.2021
AT08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
IE27.06.2022
LU27.06.2022
CH30.06.2022
FR30.06.2022
LI30.06.2022
Former [2023/21]AL08.09.2021
AT08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
IE27.06.2022
LU27.06.2022
CH30.06.2022
LI30.06.2022
Former [2023/20]AL08.09.2021
AT08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
IE27.06.2022
Former [2023/10]AL08.09.2021
AT08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
IT08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
Former [2023/08]AL08.09.2021
AT08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
MC08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
Former [2022/36]AL08.09.2021
AT08.09.2021
CZ08.09.2021
DK08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SI08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
Former [2022/29]AL08.09.2021
AT08.09.2021
CZ08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
Former [2022/25]AT08.09.2021
CZ08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SK08.09.2021
SM08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
Former [2022/24]AT08.09.2021
CZ08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
NL08.09.2021
PL08.09.2021
RO08.09.2021
RS08.09.2021
SE08.09.2021
SK08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
IS08.01.2022
PT10.01.2022
Former [2022/23]AT08.09.2021
CZ08.09.2021
EE08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
PL08.09.2021
RS08.09.2021
SE08.09.2021
SK08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
PT10.01.2022
Former [2022/21]AT08.09.2021
ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
RS08.09.2021
SE08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
Former [2022/10]ES08.09.2021
FI08.09.2021
HR08.09.2021
LT08.09.2021
LV08.09.2021
RS08.09.2021
SE08.09.2021
BG08.12.2021
NO08.12.2021
GR09.12.2021
Former [2022/09]ES08.09.2021
FI08.09.2021
LT08.09.2021
RS08.09.2021
SE08.09.2021
BG08.12.2021
NO08.12.2021
Former [2022/08]ES08.09.2021
FI08.09.2021
LT08.09.2021
SE08.09.2021
BG08.12.2021
NO08.12.2021
Former [2022/07]LT08.09.2021
NO08.12.2021
Documents cited:Search[XI] EP3093326  (KYULUX INC et al.)
 [I] WO2015199303  (SAMSUNG SDI CO LTD et al.)
 [X] WO2014146752  (MERCK PATENT GMBH et al.)
 [XI] EP3112439  (KYULUX INC et al.) [X] 1-10,12-15 * examples 6-8, 16-19 * * the whole document *[I] 11
 [X]   CHEN X-H ET AL: "Synthesis and properties of 1-(4-Aminophenyl)-2,4-dicyano-3-diethylamino-9,9-diethylfluorenes: potential fluorescent material", CHEMISTRY LETTERS, CHEMICAL SOCIETY OF JAPAN, JAPAN, vol. 37, no. 6, 1 January 2008 (2008-01-01), pages 570 - 571, XP008108807, ISSN: 0366-7022, DOI: 10.1246/CL.2008.570

DOI:   http://dx.doi.org/10.1246/cl.2008.570
International search[X] WO2015080183  (UNIV KYUSHU NAT UNIV CORP et al.) [X] 1-15 * , & US 2016/0380205 Al, Claims, Example6-8 & EP 3093326 A1 & KR 10-2016-0095014 A & CN 106029829 A *
 [A] WO2016208240  (KANEKA CORP et al.) [A] 1-15 * , & EP 3316328 Al, Claims, Examples *
 [A] WO2016181772  (KONICA MINOLTA INC et al.) [A] 1-15 * , *
 [A] JP2011176250  (FUJIFILM CORP et al.) [A] 1-15 * , *
 [A] WO2016124704  (UNIV DRESDEN TECH et al.) [A] 1-15 * , & US 2018/0016493 Al, Claims, Examples & JP 2018-507849 A & KR 10-2017-0113646 A & CN 107454897 A *
by applicantJP2018114758
   ORGANIC ELECTRONICS, vol. 14, 2013, pages 2721 - 2726
   HANSCH, C., CHEM. REV., vol. 91, 1991, pages 165 - 195
OppositionEP3015457
 US2016211466
 US2016172599
 US2017098780
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.