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IEICE TRANSACTIONS on Electronics

Open Access
Tactile Touch Display Using Segmented-Electrode Array with Tactile Strength Stabilization

Hiroshi HAGA, Takuya ASAI, Shin TAKEUCHI, Harue SASAKI, Hirotsugu YAMAMOTO, Koji SHIGEMURA

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Summary :

We developed an 8.4-inch electrostatic-tactile touch display using a segmented-electrode array (30×20) as both tactile pixels and touch sensors. Each pixel can be excited independently so that the electrostatic-tactile touch display allows presenting real localized tactile textures in any shape. A driving scheme in which the tactile strength is independent of the grounding state of the human body by employing two-phased actuation was also proposed and demonstrated. Furthermore, tactile crosstalk was investigated to find it was due to the voltage fluctuation in the human body and it was diminished by applying the aforementioned driving scheme.

Publication
IEICE TRANSACTIONS on Electronics Vol.E104-C No.2 pp.64-72
Publication Date
2021/02/01
Publicized
2020/07/22
Online ISSN
1745-1353
DOI
10.1587/transele.2020DII0005
Type of Manuscript
Special Section INVITED PAPER (Special Section on Electronic Displays)
Category
Electronic Displays

Authors

Hiroshi HAGA
  Tianma Japan, Ltd.,Utsunomiya University
Takuya ASAI
  Tianma Japan, Ltd.
Shin TAKEUCHI
  Tianma Japan, Ltd.
Harue SASAKI
  Tianma Japan, Ltd.
Hirotsugu YAMAMOTO
  Utsunomiya University
Koji SHIGEMURA
  Tianma Japan, Ltd.

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