6.4: A Clock-embedded Voltage Differential Signaling (CVDS) for the chip-on-glass application of TFT-LCD

Hyun Kyu Jeonk, Yong Hwan Moon, Jeong Il Seo, Ju Pyo Hong, Kwang Il Oh, Jun Ho Kim, Jung Hwan Choi, Seok Jae Park, Joon Ho Na, Jae Ryun Shim, Heong Seog Oh, Dae Seong Kim, Dae Keun Han, Jeong Ho Kang, Koo Won Kang, Kyoung Tae Moon, Jin Kyu Kim, Hyun Chul Choi, Lee Sup Kim

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

An intra-panel interface for the Chip-On-Glass (COG) application is developed using a Clock-embedded Voltage Differential Signaling (CVDS). The proposed interface adopts an embedded clock scheme to eliminate the skew between data and clock signals. The transmitter and receiver for the proposed interface are equipped with the transition compensator and equalizer to overcome the frequency limitation caused by highly resistive Line-On-Glass (LOG) of the COG application. The maximum data rate per pair is measured as high as 780Mbps at the prototype with the refresh rate up to 105Hz. The proposed interface achieves low electromagnetic interference (EMI) and low power consumption. The power consumption of the proposed interface is reduced by 50% compared to the conventional interfaces for the COG application.

Original languageEnglish
Pages (from-to)66-69
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Volume41 1
DOIs
Publication statusPublished - 2010 May
Externally publishedYes

ASJC Scopus subject areas

  • General Engineering

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