Title:
PRESSURE SENSOR, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE COMPRISING PRESSURE SENSOR
Document Type and Number:
WIPO Patent Application WO/2021/101163
Kind Code:
A1
Abstract:
A pressure sensor according to the present invention is disposed on the front surface of a display panel and is used for measuring touch pressure. The pressure sensor comprises: a first protection film and a second protection film which are transparent and face each other; a first electrode and a second electrode which are formed on the inner sides of the first protection film and the second protection film, respectively; and a dielectric layer which is disposed between the first electrode and the second electrode, wherein the dielectric layer is formed of polydimethylsiloxane (PDMS), and each of the first and the second electrode is formed of ethanol-added poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS).
Inventors:
SHIM WOO YOUNG (KR)
JUNG SOON SHIN (KR)
CHANG KI SEOK (KR)
KIM TAE HOON (KR)
JUNG SOON SHIN (KR)
CHANG KI SEOK (KR)
KIM TAE HOON (KR)
Application Number:
PCT/KR2020/015841
Publication Date:
May 27, 2021
Filing Date:
November 12, 2020
Export Citation:
Assignee:
LG DISPLAY CO LTD (KR)
UNIV YONSEI IACF (KR)
UNIV YONSEI IACF (KR)
International Classes:
G06F3/041; G06F3/046; H01L41/047; H01L41/08; H01L41/193
Foreign References:
| KR101873906B1 | 2018-07-03 | |||
| KR20160062323A | 2016-06-02 | |||
| KR20190037099A | 2019-04-05 | |||
| KR20130107682A | 2013-10-02 | |||
| JP2016533003A | 2016-10-20 |
Attorney, Agent or Firm:
NEIT INTERNATIONAL PATENT & LAW FIRM (KR)
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