Display device

Active solid-state devices (e.g. – transistors – solid-state diode – Non-single crystal – or recrystallized – semiconductor... – Amorphous semiconductor material

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C257S072000, C257S258000, C257SE51005

Reexamination Certificate

active

07947981

ABSTRACT:
It is an object to provide a display device including a thin film transistor which can operate at high speed and is driven at a low voltage in a drive circuit region, and a thin film transistor having high voltage-resistance and high reliability in a pixel region. Accordingly, it is an object to provide a high reliable display device which consumes less power. A display device including a pixel region and a drive circuit region over a substrate having an insulating surface is provided. A thin film transistor is provided in each of the pixel region and the drive circuit region. A channel formation region in a semiconductor layer of the thin film transistor provided in the drive circuit region is formed to be locally thin, and the thickness of the channel formation region is smaller than that in the pixel region.

REFERENCES:
patent: 5574292 (1996-11-01), Takahashi et al.
patent: 5652453 (1997-07-01), Iwamatsu et al.
patent: 5905286 (1999-05-01), Iwamatsu et al.
patent: 6030873 (2000-02-01), Iwamatsu et al.
patent: 6144082 (2000-11-01), Yamazaki et al.
patent: 6222234 (2001-04-01), Imai
patent: 6278131 (2001-08-01), Yamazaki et al.
patent: 6316787 (2001-11-01), Ohtani
patent: 6337232 (2002-01-01), Kusumoto et al.
patent: 6472684 (2002-10-01), Yamazaki et al.
patent: 6555422 (2003-04-01), Yamazaki et al.
patent: 6593592 (2003-07-01), Yamazaki et al.
patent: 6709901 (2004-03-01), Yamazaki et al.
patent: 6900464 (2005-05-01), Doi et al.
patent: 7038283 (2006-05-01), Yanai et al.
patent: 7045398 (2006-05-01), Yasukawa
patent: 7189636 (2007-03-01), Ichinose et al.
patent: 7652321 (2010-01-01), Yamaguchi et al.
patent: 7692194 (2010-04-01), Yamazaki et al.
patent: 2002/0113268 (2002-08-01), Koyama et al.
patent: 2008/0128808 (2008-06-01), Yamazaki et al.
patent: 61-048975 (1986-03-01), None
patent: 09-027624 (1997-01-01), None
patent: 2003-289079 (2003-10-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Display device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Display device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2624099

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.