60.2: Invited Paper: Advanced In-cell Touch Technology for Large Sized Liquid Crystal Displays

We propose an advanced in‐cell touch (AIT) sensor integrated on TFT substrate. The proposed touch sensor perceives selfcapacitance formed between touching object and sensing electrode which is made by common electrode of AH‐IPS panel. This new touch sensor shows above 50dB‐signal‐to‐noise ratio and...

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Veröffentlicht in:	SID International Symposium Digest of technical papers 2015-06, Vol.46 (1), p.895-898
Hauptverfasser:	Kim, Cheolse, Lee, Deuk Su, Kim, Ju Han, Kim, Hun Bae, Shin, Seung Rok, Jung, Ji Hyun, Song, In Hyuk, Jang, Chul Sang, Kwon, Keuk Sang, Kim, Sung Ho, Kim, Geon Tae, Yoon, Jeong Hwan, Lee, Bu-Yeol, Kim, Byeong Koo, Kang, In-Byeong
Format:	Artikel
Sprache:	eng
Schlagworte:	Automotive components Electrodes Flat panel displays In-cell touch LCDs Liquid crystal displays projected capacitive Sensors Technical papers Thin film transistors Touch Transmittance
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Beschreibung
Zusammenfassung:	We propose an advanced in‐cell touch (AIT) sensor integrated on TFT substrate. The proposed touch sensor perceives selfcapacitance formed between touching object and sensing electrode which is made by common electrode of AH‐IPS panel. This new touch sensor shows above 50dB‐signal‐to‐noise ratio and multi‐touch function without loss of transmittance. Finally we have succeeded in in‐cell touch panel development of 15.6” FHD for notebook PC and 7” WVGA for automotive which supports 2mm‐thick glove touch.
ISSN:	0097-966X 2168-0159
DOI:	10.1002/sdtp.10388