Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2008-01-03
2010-11-16
Won, Bumsuk (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S504000, C313S509000
Reexamination Certificate
active
07834547
ABSTRACT:
An organic light emitting diode (OLED) display device is disclosed. In one embodiment, the OLED device includes a plurality of ball-shaped spacers formed over a pixel defining layer. At least one embodiment can prevent the pixel defining layer from being damaged due to unevenness of a deposition mask. Also, one embodiment of the invention does not require a patterning process for forming a spacer.
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Knobbe Martens Olson & Bear LLP
Samsung Mobile Display Co., Ltd.
Won Bumsuk
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