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Extract from the Register of European Patents

EP About this file: EP2722897

EP2722897 - Light emitting device [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  30.04.2021
Database last updated on 15.06.2024
FormerThe patent has been granted
Status updated on  22.05.2020
FormerGrant of patent is intended
Status updated on  09.03.2020
FormerExamination is in progress
Status updated on  18.08.2017
Most recent event   Tooltip08.07.2022Lapse of the patent in a contracting state
New state(s): MK		published on 10.08.2022  [2022/32]
Applicant(s)For all designated states
LG Innotek Co., Ltd.
98, Huam-ro, Jung-gu
Seoul, 04637 / KR
[2017/20]
Former [2014/17]For all designated states
LG Innotek Co., Ltd.
Seoul Square 541, Namdaemunno 5-ga Jung-gu
Seoul 100-714 / KR
Inventor(s)01 / Choi, Eun Sil
Seoul Square, 541
Namdaemunno 5-ga
Jung-gu
100-714 Seoul / KR
02 / Oh, Jeong Tak
Seoul Square, 541
Namdaemunno 5-ga
Jung-gu
100-714 Seoul / KR
03 / Jung, Myung Hoon
Seoul Square, 541
Namdaemunno 5-ga
Jung-gu
100-714 Seoul / KR
04 / Song, Ki Young
Seoul Square, 541
Namdaemunno 5-ga
Jung-gu
100-714 Seoul / KR
 [2014/17]
Representative(s)M. Zardi & Co S.A.
Via G. B. Pioda, 6
6900 Lugano / CH
[N/P]
Former [2020/26]M. Zardi & Co S.A.
Via G. B. Pioda, 6
6900 Lugano / CH
Former [2014/17]Zardi, Marco
M. Zardi & Co. SA
Via Pioda 6
6900 Lugano / CH
Application number, filing date13187924.909.10.2013
[2014/17]
Priority number, dateKR2012011637119.10.2012         Original published format: KR 20120116371
[2014/17]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2722897
Date:23.04.2014
Language:EN
[2014/17]
Type: B1 Patent specification 
No.:EP2722897
Date:24.06.2020
Language:EN
[2020/26]
Search report(s)(Supplementary) European search report - dispatched on:EP11.02.2014
ClassificationIPC:H01L33/06, // H01L33/32
[2014/17]
CPC:
H01L33/06 (EP,CN,US); H01L33/14 (KR); H01L33/325 (US);
H01L33/48 (KR); H01L2224/48091 (EP,US); H01L2224/48247 (EP,US);
H01L33/32 (EP,US) (-)
C-Set:
H01L2224/48091, H01L2924/00014 (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 [2014/20]
TitleGerman:Lichtemittierende Vorrichtung[2014/17]
English:Light emitting device[2014/17]
French:Dispositif électroluminescent[2014/17]
Examination procedure31.03.2014Examination requested  [2014/20]
05.08.2014Amendment by applicant (claims and/or description)
18.08.2017Despatch of a communication from the examining division (Time limit: M04)
18.12.2017Reply to a communication from the examining division
10.03.2020Communication of intention to grant the patent
15.05.2020Fee for grant paid
15.05.2020Fee for publishing/printing paid
15.05.2020Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  18.08.2017
Opposition(s)25.03.2021No opposition filed within time limit [2021/22]
Fees paidRenewal fee
23.10.2015Renewal fee patent year 03
25.10.2016Renewal fee patent year 04
20.10.2017Renewal fee patent year 05
24.10.2018Renewal fee patent year 06
23.10.2019Renewal fee patent year 07
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  TooltipHU09.10.2013
AL24.06.2020
AT24.06.2020
CY24.06.2020
CZ24.06.2020
DK24.06.2020
EE24.06.2020
ES24.06.2020
FI24.06.2020
HR24.06.2020
IT24.06.2020
LT24.06.2020
LV24.06.2020
MC24.06.2020
MK24.06.2020
MT24.06.2020
NL24.06.2020
PL24.06.2020
RO24.06.2020
RS24.06.2020
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SK24.06.2020
SM24.06.2020
TR24.06.2020
BG24.09.2020
NO24.09.2020
GR25.09.2020
GB09.10.2020
IE09.10.2020
LU09.10.2020
IS24.10.2020
PT26.10.2020
BE31.10.2020
CH31.10.2020
FR31.10.2020
LI31.10.2020
[2022/32]
Former [2022/27]HU09.10.2013
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PT26.10.2020
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IE09.10.2020
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PT26.10.2020
BE31.10.2020
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BG24.09.2020
NO24.09.2020
GR25.09.2020
LU09.10.2020
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PT26.10.2020
BE31.10.2020
CH31.10.2020
FR31.10.2020
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FI24.06.2020
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RO24.06.2020
RS24.06.2020
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BG24.09.2020
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PT26.10.2020
Former [2021/04]AL24.06.2020
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Former [2021/01]FI24.06.2020
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Former [2020/51]FI24.06.2020
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LT24.06.2020
LV24.06.2020
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Former [2020/50]FI24.06.2020
HR24.06.2020
LT24.06.2020
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Documents cited:Search[A]EP0886326  (HEWLETT PACKARD CO [US]) [A] 1-15* abstract *;
 [Y]US2006118820  (GASKA REMIGIJUS [US], et al) [Y] 1-15 * abstract * * paragraph [0031] *;
 [Y]US2012145993  (NA JONGHO [KR], et al) [Y] 1-15 * abstract * * paragraphs [0062] , [ 111] , [ 118] *;
 [A]US2012161102  (WON JONG HAK [KR]) [A] 1-15 * abstract * * paragraphs [0042] - [0045] *;
 [APL]EP2562827  (LG INNOTEK CO LTD [KR]) [AP] 1-15 * abstract * [L] ;
 [A]  - WU LE-JUAN ET AL, "INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY;Simulation study of blue InGaN multiple quantum well light-emitting diodes with different hole injection layers", CHINESE PHYSICS B, CHINESE PHYSICS B, BRISTOL GB, (20120614), vol. 21, no. 6, doi:10.1088/1674-1056/21/6/068506, ISSN 1674-1056, page 68506, XP020224606 [A] 1-15 * abstract *

DOI:   http://dx.doi.org/10.1088/1674-1056/21/6/068506
 [A]  - WANG C ET AL, "Hole injection and efficiency droop improvement in InGaN/GaN light-emitting diodes by band-engineered electron blocking layer", APPLIED PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS, US, (20101228), vol. 97, no. 26, doi:10.1063/1.3531753, ISSN 0003-6951, pages 261103 - 261103, XP012138275 [A] 1-15 * abstract *

DOI:   http://dx.doi.org/10.1063/1.3531753
 [A]  - HAN SANG-HEON ET AL, "Effect of electron blocking layer on efficiency droop in InGaN/GaN multiple quantum well light-emitting diodes", APPLIED PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS, US, (20090612), vol. 94, no. 23, doi:10.1063/1.3153508, ISSN 0003-6951, pages 231123 - 231123, XP012121574 [A] 1-15 * abstract *

DOI:   http://dx.doi.org/10.1063/1.3153508
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