Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2005-04-26
2005-04-26
Williams, Joseph (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S506000, C313S512000, C349S084000, C349S089000, C349S122000, C257S079000, C257S086000, C257S100000
Reexamination Certificate
active
06885146
ABSTRACT:
A constitution of the display device of the invention is shown in the following. The display device includes a pixel unit including TFTs of which the active layer contains an organic semiconductor material for forming channel portions in the opening portions in an insulating layer arranged to meet the gate electrodes. The pixel unit further includes a contrast media formed on the electrodes connected to the TFTs for changing the reflectivity upon the application of an electric field, or microcapsules containing electrically charged particles that change the reflectivity upon the application of an electric field. The pixel unit is sandwiched by plastic substrates, and barrier layers including an inorganic insulating material are provided between the plastic substrates and the pixel unit. The purpose of the present invention is to supply display devices which are excellent in productivity, light in weight and flexible.
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Arai Yasuyuki
Yamazaki Shunpei
Costellia Jeffrey L.
Nixon & Peabody LLP
Quarterman Kevin
Semiconductor Energy Laboratory Co,. Ltd.
Williams Joseph
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