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International application No. Applicant's or agent's file reference
PCT/KR2020/005798 PSD20-0116
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
29 April 2020 03 May 2019
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing filed or furnished:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     8a    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
none of the figures is to be published with the abstract.


     H01L 27/15 (2006.01)i; H01L 33/02 (2010.01)i; H01L 33/62 (2010.01)i; H01L 33/38 (2010.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
한국등록실용신안공보 및 한국공개실용신안공보: 조사된 최소문헌란에 기재된 IPC
일본등록실용신안공보 및 일본공개실용신안공보: 조사된 최소문헌란에 기재된 IPC
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: LED, module, ground, side surface


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
WO 2019-045549 A1 (SEOUL SEMICONDUCTOR CO., LTD.) 07 March 2019 paragraphs [0133]-[0187] and figures 2-13
US 2019-0027534 A1 (X-CELEPRINT LIMITED) 24 January 2019 paragraphs [0052]-[0094] and figures 1-13
US 2009-0033856 A1 (IRINA KIRYUSCHEV et al.) 05 February 2009 paragraphs [0041]-[0075] and figures 4A-13
US 2018-0190631 A1 (LG DISPLAY CO., LTD.) 05 July 2018 paragraphs [0049]-[0101] and figures 1-6
KR 10-2019-0041413 A (LUMENS CO., LTD.) 22 April 2019 paragraphs [0030]-[0056] and figures 3-12
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
document cited by the applicant in the international application
earlier application or patent but published on or after the international filing date
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
document member of the same patent family


Patent document cited in search report Publication date
Patent family member(s) Publication date
WO 2019-045549 A1
07 March 2019
CN 110121771 A
CN 111029453 A
CN 111048656 A
KR 10-2019-0026617 A
13 August 2019
17 April 2020
21 April 2020
13 March 2019
US 2019-0027534 A1
24 January 2019
US 2009-0033856 A1
05 February 2009
CA 2837399 A1
CA 2837399 C
CN 101523469 A
CN 101523469 B
EA 014761 B1
EA 200801304 A1
EP 1958456 A2
EP 2746145 A1
JP 5132572 B2
JP 2009-520214 A
KR 10-1323538 B1
KR 10-2008-0091432 A
RU 2013156616 A
RU 2624142 C2
UA 90565 C2
US 2014-0062289 A1
US 2015-0329179 A1
US 8531642 B2
US 9288870 B2
US 9517813 B2
WO 2007-054947 A2
WO 2007-054947 A3
21 June 2014
29 August 2017
02 September 2009
30 May 2012
28 February 2011
30 April 2010
20 August 2008
25 June 2014
30 January 2013
21 May 2009
29 October 2013
13 October 2008
27 June 2015
30 June 2017
11 May 2010
06 March 2014
19 November 2015
10 September 2013
15 March 2016
13 December 2016
18 May 2007
16 April 2009
US 2018-0190631 A1
05 July 2018
CN 108267901 A
EP 3343273 A2
EP 3343273 A3
EP 3343273 B1
EP 3671328 A1
KR 10-2018-0079079 A
US 10468396 B2
10 July 2018
04 July 2018
15 August 2018
19 February 2020
24 June 2020
10 July 2018
05 November 2019
KR 10-2019-0041413 A
22 April 2019
CN 109844948 A
JP 6411685 B1
JP 6678716 B2
JP 2019-075528 A
JP 2019-075552 A
US 10504878 B2
US 2019-0115329 A1
US 2020-0066694 A1
WO 2019-074278 A1
04 June 2019
05 October 2018
08 April 2020
16 May 2019
16 May 2019
10 December 2019
18 April 2019
27 February 2020
18 April 2019
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
01 September 2020
Date of mailing of the international search report:
01 September 2020
Authorized officer:
Telephone No. +82-42-481-8131
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