Contrast-adjustable panels and displays via organic light-emitting devices
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United States of America Patent
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Aug 16, 2005
Grant Date -
Nov 20, 2003
app pub date -
May 9, 2003
filing date -
May 10, 2002
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Abstract
A contrast-adjustable display via an organic light-emitting device includes a transparent substrate, a light-detectable unit, a current-detectable unit, an organic light-emitting unit, a driving unit and a controlling unit. The light-detectable unit for detecting an external light intensity is formed on the transparent substrate, and then generates a current intensity based on the external light intensity. The current-detectable unit for detecting the current intensity is connected to the light-detectable unit. The organic light-emitting unit is formed on the transparent substrate for generating light. The driving unit connects to and drives the light-detectable unit and organic light-emitting unit, respectively. The controlling unit is connected to the current-detectable unit, and controls the driving unit depending on the current intensity.
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