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1. (WO2019028314) HIGH DENSITY PIXELATED-LED CHIPS AND CHIP ARRAY DEVICES, AND FABRICATION METHODS



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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/US2018/045102 1194-370-WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
03 August 2018 03 August 2017
Applicant
CREE, INC.
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)).
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)).
c.
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:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
This International Searching Authority found multiple inventions in this international application, as follows:
1. claims: 1-12, 56-66
a pixelated LED-chip wherein the light extraction surface of each pixel comprises a plurality of protruding features and recesses and wherein lateral borders between pixels are aligned with one selected light extraction surface recess.
2. claims: 13-34, 67-70, 77-85
a pixelated LED-chip wherein an underfill layer is arranged between the pixels and between the anode and cathode of each pixel.
3. claims: 35-48, 71-76
a pixelated LED-chip comprising a lumiphoric material arranged on each pixel.
4. claims: 49-53
a pixelated LED-chip wherein at least one substrate portion of a plurality of substrate portions defining the pixels comprises a first and second protruding features having different angles between opposite faces.
5. claims: 54, 55
a pixelated LED-chip wherein each pixel sidewall comprises a reflective layer.
1.
As all required additional search fees were timely paid by the applicant, this international search report covers all searchable claims.
2.
As all searchable claims could be searched without effort justifying additional fees, this Authority did not invite payment of additional fees.
3.
As only some of the required additional search fees were timely paid by the applicant, this international search report covers only those claims for which fees were paid, specifically claims Nos.: 1-34, 56-70, 77-85
4.
No required additional search fees were timely paid by the applicant. Consequently, this international search report is restricted to the invention first mentioned in the claims; it is covered by claims Nos.:
Remark on Protest
The additional search fees were accompanied by the applicant’s protest and, where applicable, the payment of a protest fee.
The additional search fees were accompanied by the applicant’s protest but the applicable protest fee was not paid within the time limit specified in the invitation.
No protest accompanied the payment of additional search fees.
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
a.
The figure of the drawings to be published with the abstract is Figure No.     17e    
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.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     H01L 27/15 (2006.01)i; H01L 33/54 (2010.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
     H01L
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
US 2015340346 A1 (CHU CHEN-FU [TW] ET AL) 26 November 2015 (2015-11-26)
13-34,77-85
A
paragraph [0044]; figure 15
1-12,56-66
(2)
X
WO 2017009183 A1 (OSRAM OPTO SEMICONDUCTORS GMBH [DE]) 19 January 2017 (2017-01-19)
1-9,56-58
Y
page 20, lines 1-11; figure 1
10,11
page 29, lines 25-28; figure 8
(3)
X
US 2015279902 A1 (VON MALM NORWIN [DE] ET AL) 01 October 2015 (2015-10-01)
1-4,12,56-58
paragraphs [0053], [0061], [0085]; figure 3
(4)
Y
WO 2016188505 A1 (HIPHOTON CO LTD [CN]) 01 December 2016 (2016-12-01)
10
figure 17
(5)
Y
US 2013264592 A1 (BERGMANN MICHAEL JOHN [US] ET AL) 10 October 2013 (2013-10-10)
11
paragraph [0209]
(6)
X
EP 3076442 A1 (LG ELECTRONICS INC [KR]) 05 October 2016 (2016-10-05)
13,14
paragraph [0054]; figures 2,4,6
(7)
X
US 2017092820 A1 (KIM YONG IL [KR] ET AL) 30 March 2017 (2017-03-30)
13,14
paragraphs [0068], [0075]; figure 6
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"E"
earlier application or patent but published on or after the international filing date
"L"
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)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
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
"X"
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
"Y"
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

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
US 2015340346 A1
26 November 2015
NONE
WO 2017009183 A1
19 January 2017
DE 102015111574 A1
DE 112016003199 A5
JP 2018519665 A
TW 201719926 A
US 2018212108 A1
WO 2017009183 A1
19 January 2017
29 March 2018
19 July 2018
01 June 2017
26 July 2018
19 January 2017
US 2015279902 A1
01 October 2015
CN 104704634 A
DE 102012109460 A1
JP 6262745 B2
JP 2016502123 A
JP 2018097367 A
US 2015279902 A1
US 2018090540 A1
WO 2014053445 A1
10 June 2015
10 April 2014
17 January 2018
21 January 2016
21 June 2018
01 October 2015
29 March 2018
10 April 2014
WO 2016188505 A1
01 December 2016
NONE
US 2013264592 A1
10 October 2013
CN 104272478 A
US 2013264592 A1
US 2017271561 A1
WO 2013154818 A1
07 January 2015
10 October 2013
21 September 2017
17 October 2013
EP 3076442 A1
05 October 2016
CN 106024801 A
EP 3076442 A1
KR 20160116550 A
US 2016293805 A1
12 October 2016
05 October 2016
10 October 2016
06 October 2016
US 2017092820 A1
30 March 2017
CN 106558597 A
US 2017092820 A1
05 April 2017
30 March 2017
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Netherlands
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
09 January 2019
Date of mailing of the international search report:
21 January 2019
Authorized officer:
Pérennès, Frédéric
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