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Extract from the Register of European Patents

EP About this file: EP4136177

EP4136177 - INK COMPOSITIONS AND FILMS WITH NARROW BAND EMISSION PHOSPHOR MATERIALS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  20.01.2023
Database last updated on 20.05.2024
FormerThe international publication has been made
Status updated on  22.10.2021
Most recent event   Tooltip08.03.2024Change - divisional application(s)published on 10.04.2024  [2024/15]
Applicant(s)For all designated states
General Electric Company
1 River Road
Schenectady, NY 12345 / US
[2023/08]
Inventor(s)01 / DOHERTY, Mark D.
1 Research Circle
Niskayuna, New York 12309-1027 / US
02 / LIANG, Yangang
1 Research Circle
Niskayuna, New York 12309-1027 / US
03 / LIU, Jie Jerry
1 Research Circle
Niskayuna, New York 12309-1027 / US
04 / CAMARDELLO, Samuel Joseph
1 Research Circle
Niskayuna, New York 12309-1027 / US
05 / MURPHY, James Edward
1 Research Circle
Niskayuna, New York 12309-1027 / US
 [2023/08]
Representative(s)Dennemeyer & Associates S.A.
Postfach 70 04 25
81304 München / DE
[2023/08]
Application number, filing date21788285.119.01.2021
[2023/08]
WO2021US13963
Priority number, dateUS202063009800P14.04.2020         Original published format: US 202063009800 P
US202063027672P20.05.2020         Original published format: US 202063027672 P
US202063059709P31.07.2020         Original published format: US 202063059709 P
US202063073391P01.09.2020         Original published format: US 202063073391 P
[2023/08]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021211181
Date:21.10.2021
Language:EN
[2021/42]
Type: A1 Application with search report 
No.:EP4136177
Date:22.02.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 21.10.2021 takes the place of the publication of the European patent application.
[2023/08]
Search report(s)International search report - published on:KR21.10.2021
ClassificationIPC:C09D11/50, C09K11/61, C09K11/70, C08J5/18, C08K3/32, C08K3/16, C08K3/22, C08K3/013, C08K9/02
[2023/08]
CPC:
C09K11/717 (EP,KR,US); C09D11/037 (EP,KR); C09D11/38 (US);
C09D11/322 (EP,KR,US); C09D11/52 (EP,KR); C09K11/025 (EP,KR,US);
C09K11/617 (EP,KR,US); C09K11/71 (EP,KR,US); F21V9/30 (US);
G02B6/0053 (US); G02B6/0073 (EP,KR,US); G02F1/133603 (US);
G02F1/133617 (US); G03F7/0042 (US); H01L33/502 (US);
H01L33/504 (EP,KR); C08K2003/328 (US); C08K2201/001 (US);
C08K2201/005 (US); C08K3/34 (US); F21Y2115/10 (US);
G02B3/005 (KR); G02B6/005 (EP); G02B6/0065 (EP,KR);
G02F1/133614 (EP,KR); H01L2933/0091 (EP,US); H01L33/505 (EP) (-)
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 [2023/08]
TitleGerman:TINTENZUSAMMENSETZUNGEN UND FILME MIT SCHMALBANDIGEN EMISSIONSPHOSPHORMATERIALIEN[2023/08]
English:INK COMPOSITIONS AND FILMS WITH NARROW BAND EMISSION PHOSPHOR MATERIALS[2023/08]
French:COMPOSITIONS D'ENCRE ET FILMS RENFERMANT DES MATÉRIAUX LUMINOPHORES À ÉMISSION À BANDE ÉTROITE[2023/08]
Entry into regional phase08.11.2022National basic fee paid 
08.11.2022Search fee paid 
08.11.2022Designation fee(s) paid 
08.11.2022Examination fee paid 
Examination procedure08.11.2022Examination requested  [2023/08]
19.05.2023Amendment by applicant (claims and/or description)
20.11.2023Observations by third parties
Divisional application(s)EP24160690.4
Fees paidRenewal fee
08.11.2022Renewal fee patent year 03
23.01.2024Renewal fee patent year 04
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Cited inInternational search[Y]US2003148695  (KAWAMURA HIROYUKI [JP], et al) [Y] 19-20,37-38 * See paragraphs [0162]-[0165]; claim 37. *;
 [A]US2004144987  (OUDERKIRK ANDREW J [US], et al) [A] 1-58* See the entire document. *;
 [A]US2009267485  (NAGATOMI AKIRA [JP], et al) [A] 1-58 * See the entire document. *;
 [XY]US2010142189  (HONG BYUNGCHUL [JP], et al) [X] 1-4,6-14,16-18,21-25,27-32,34-36,39-58 * See paragraphs [0024], [0153], [0164], [0209], [0410]-[0415], [0428]-[0429], [0444], [0516], [0520], [0530], [0621]-[0622], [0825]; claim 13; figure 4(a); table 1. * [Y] 5,15,19-20,26,33,37-38;
 [Y]WO2017073815  (FORCE4 CORP [KR]) [Y] 5,15,26,33 * See claims 1, 4, 15, 17. *
other   - Oh Ji Hye, Heejoon Kang. Minji Ko. And Young Rag Do, "Analysis of wide color gamut of green/red bilayered freestanding phosphor film-capped white LEDs for LCD backlight", Optics Express, (20150604), pages 1 - 14, XP093111159
    - Hou Ziyang, Tang Xueyuan, Luo Xuefang, Zhou Tianliang, Zhang Lin, Xie Rong-Jun, "A green synthetic route to the highly efficient K 2 SiF 6 :Mn 4+ narrow-band red phosphor for warm white light-emitting diodes", Journal of Materials Chemistry C, GB , (20180101), vol. 6, no. 11, doi:10.1039/C8TC00133B, ISSN 2050-7526, pages 2741 - 2746, XP093115569

DOI:   http://dx.doi.org/10.1039/C8TC00133B
    - Naab Douglas, James Murphy, "Market Leading Wide Color Gamut Technology & Path Towards Enabling Next Generation Displays", GE K2SiF6:Mn4+ (PFS/KSF) Phosphor, (20190501), pages 1 - 13, XP093115645
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.