Display device and manufacturing method thereof

Details Display device and manufacturing method thereof Display device and manufacturing method thereof

2011-06-14

2011-06-14

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S214100, C257S072000, C345S076000, C349S044000

Reexamination Certificate

active

07960678

ABSTRACT:
A display device in which light leakage in a monitor element portion is prevented without increasing the number of steps and cost is provided. The display device includes a monitor element for suppressing influence on a light-emitting element due to temperature change and change over time and a TFT for driving the monitor element, in which the TFT for driving the monitor element is provided so as not to overlap the monitor element. Furthermore, the display device includes a first light shielding film and a second light shielding film, in which the first light shielding film is provided so as to overlap a first electrode of the monitor element and the second light shielding film is electrically connect to the first light shielding film through a contact hole formed in an interlayer insulating film. The contact hole is formed so as to surround the outer edge of the first electrode of the monitor element.

REFERENCES:
patent: 2001/0030511 (2001-10-01), Yamazaki et al.
patent: 2001/0033252 (2001-10-01), Yamazaki et al.
patent: 2003/0132716 (2003-07-01), Yamazaki et al.
patent: 2005/0012731 (2005-01-01), Yamazaki et al.
patent: 2005/0017963 (2005-01-01), Yamazaki et al.
patent: 2005/0017964 (2005-01-01), Yamazaki et al.
patent: 2008/0170028 (2008-07-01), Yoshida
patent: 2008/0179594 (2008-07-01), Oh
patent: 3696116 (2005-09-01), None

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