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International application No. Applicant's or agent's file reference
PCT/US2020/052610 H-1481PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
25 September 2020 27 September 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:
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.     7B    
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.


     G02F 1/167 (2006.01)i; H01B 5/02 (2006.01)i; H01B 1/02 (2006.01)i; H01B 1/04 (2006.01)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:
Korean utility models and applications for utility models
Japanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & keywords: light-transmissive conductor, volume resistivity, oriented conductive element, aspect ratio, electro-optic media


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 10151955 B2 (E INK CORPORATION) 11 December 2018 column 7, lines 15-20, 38-41, 48-55; column 10, lines 28-29; claims 2, 11-13, 17; and figures 1-2
CN 105261423 A (SUN YAT-SEN UNIVERSITY) 20 January 2016 paragraphs [0002], [0054]; and figures 1, 6-8
US 2007-0195546 A1 (JACOB M.J. DEN TOONDER et al.) 23 August 2007 paragraph [0072]; and figure 5
US 2010-0245971 A1 (GREGORY A. SOTZING et al.) 30 September 2010 paragraph [0038]; and figure 3
JP 2010-238646 A (CHIBA UNIV.) 21 October 2010 paragraph [0030]; and figure 5
US 2020-0103720 A1 (E INK CORPORATION) 02 April 2020 paragraphs [0023]-[0055]; and figures 1-6B The above document is a publication of the earlier application whose priority has been claimed in this international application.
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
US 10151955 B2
11 December 2018
CN 105917265 A
CN 105917265 B
CN 109491173 A
KR 10-1883582 B1
KR 10-2016-0100358 A
KR 10-2018-0088486 A
KR 10-2023860 B1
US 10795221 B2
US 2015-0205178 A1
US 2017-0068125 A1
US 2019-0072803 A1
US 9529240 B2
WO 2015-109223 A1
31 August 2016
15 January 2019
19 March 2019
30 July 2018
23 August 2016
03 August 2018
20 September 2019
06 October 2020
23 July 2015
09 March 2017
07 March 2019
27 December 2016
23 July 2015
CN 105261423 A
20 January 2016
CN 105261423 B
29 August 2017
US 2007-0195546 A1
23 August 2007
AT 360715 T
CN 1898421 A
DE 602004006167 T2
EP 1697567 A1
EP 1697567 B1
JP 2007-521420 A
KR 10-2006-0109953 A
US 7531235 B2
WO 2005-061764 A1
15 May 2007
17 January 2007
27 December 2007
06 September 2006
25 April 2007
02 August 2007
23 October 2006
12 May 2009
07 July 2005
US 2010-0245971 A1
30 September 2010
CN 102369478 A
EP 1930863 A2
EP 1930863 A3
EP 1930863 B1
EP 2172873 A2
EP 2172873 A3
EP 2172873 B1
EP 2383679 A1
EP 2383713 A1
EP 2383713 B1
EP 2414892 A1
EP 2414892 B1
EP 3412511 A1
ES 2488399 T3
US 2008-0137908 A1
US 2010-0172542 A1
US 2011-0317240 A1
US 2012-0002053 A1
US 2012-0233841 A1
US 8064643 B2
US 8107153 B2
US 8254635 B2
US 8908252 B2
US 8995723 B2
US 9459515 B2
WO 2010-114718 A1
07 March 2012
11 June 2008
20 August 2008
03 August 2011
07 April 2010
21 November 2012
15 August 2018
02 November 2011
02 November 2011
29 May 2013
08 February 2012
11 June 2014
12 December 2018
27 August 2014
12 June 2008
08 July 2010
29 December 2011
05 January 2012
20 September 2012
22 November 2011
31 January 2012
28 August 2012
09 December 2014
31 March 2015
04 October 2016
07 October 2010
JP 2010-238646 A
21 October 2010
JP 5311255 B2
09 October 2013
US 2020-0103720 A1
02 April 2020
WO 2020-072292 A1
09 April 2020
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:
08 January 2021
Date of mailing of the international search report:
08 January 2021
Authorized officer:
YANG, Jeong Rok
Telephone No. +82-42-481-5709
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