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Extract from the Register of European Patents

EP About this file: EP4207320

EP4207320 - HIGH-EFFICIENCY LIGHT EMITTING ELEMENT, UNIT PIXEL HAVING SAME, AND DISPLAY DEVICE HAVING SAME [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  02.06.2023
Database last updated on 29.06.2024
FormerThe international publication has been made
Status updated on  02.04.2022
Most recent event   Tooltip01.12.2023Change: Validation statespublished on 03.01.2024  [2024/01]
01.12.2023Change - extension statespublished on 03.01.2024  [2024/01]
Applicant(s)For all designated states
Seoul Viosys Co., Ltd.
65-16, Sandan-ro 163 beon-gil
Danwon-gu
Ansan-si, Gyeonggi-do 15429 / KR
[2023/27]
Inventor(s)01 / CHA, Namgoo
Ansan-si Gyeonggi-do 15429 / KR
02 / PARK, Yeonkyu
Ansan-si Gyeonggi-do 15429 / KR
03 / KIM, Sang Min
Ansan-si Gyeonggi-do 15429 / KR
 [2023/27]
Representative(s)Isarpatent
Patent- und Rechtsanwälte Barth
Charles Hassa Peckmann & Partner mbB
Friedrichstrasse 31
80801 München / DE
[2023/27]
Application number, filing date21872893.923.09.2021
[2023/27]
WO2021KR12934
Priority number, dateUS202063082562P24.09.2020         Original published format: US 202063082562 P
US20211747354813.09.2021         Original published format: US202117473548
[2023/27]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022065865
Date:31.03.2022
Language:KO
[2022/13]
Type: A1 Application with search report 
No.:EP4207320
Date:05.07.2023
Language:EN
[2023/27]
Search report(s)International search report - published on:KR31.03.2022
ClassificationIPC:H01L33/46, H01L33/36, H01L33/52, H01L27/15, H01L25/075
[2023/27]
CPC:
H01L33/46 (EP); H01L33/10 (US); H01L25/0753 (EP,US);
H01L33/405 (EP,US); H01L33/62 (EP,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 [2023/27]
TitleGerman:HOCHEFFIZIENTES LICHTEMITTIERENDES ELEMENT, EINHEITSPIXEL DAMIT UND ANZEIGEVORRICHTUNG DAMIT[2023/27]
English:HIGH-EFFICIENCY LIGHT EMITTING ELEMENT, UNIT PIXEL HAVING SAME, AND DISPLAY DEVICE HAVING SAME[2023/27]
French:ÉLÉMENT ÉLECTROLUMINESCENT À HAUT RENDEMENT, PIXEL UNITAIRE LE COMPORTANT ET DISPOSITIF D'AFFICHAGE LE COMPORTANT[2023/27]
Entry into regional phase30.03.2023Translation filed 
30.03.2023National basic fee paid 
30.03.2023Search fee paid 
30.03.2023Designation fee(s) paid 
30.03.2023Examination fee paid 
Examination procedure30.03.2023Amendment by applicant (claims and/or description)
30.03.2023Examination requested  [2023/27]
Fees paidRenewal fee
29.09.2023Renewal fee patent year 03
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Cited inInternational search[Y]KR20130008478  (TOSHIBA KK [JP]) [Y] 5,9,16 * See claim 12. *;
 [Y]KR20150138977  (KOREA ELECTRONICS TELECOMM [KR]) [Y] 1-20 * See paragraphs [0052]-[0053]; claim 1; and figure 2. *;
 [Y]KR20160141362  (SAMSUNG ELECTRONICS CO LTD [KR]) [Y] 1-20 * See paragraphs [0061], [0191]-[0200], [0243] and [0276]; claims 1 and 10; and figures 3, 26a and 34. *;
 [Y]KR20170007117  (SEOUL VIOSYS CO LTD [KR]) [Y] 2-3,13-17 * See paragraph [0149]; and figures 1 and 22. *;
 [Y]KR20180081378  (LG ELECTRONICS INC [KR]) [Y] 18-20* See paragraphs [0029]-[0058]; and figures 2-3b. *;
 [Y]WO2019066339  (SEOUL VIOSYS CO LTD [KR]) [Y] 1-12,18-20 * See paragraph [0068]; and figure 3. *
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.