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US 6,734,636 B2Granted
OLED current drive pixel circuit
AssigneeInternational Business Machines Corporation
InventorsJames Lawrence Sanford, Frank Robert Libsch
Life of this patent
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Abstract
There is provided a method for driving an organic light emitting diode (OLED) pixel circuit. The method includes applying a first signal to a terminal of the OLED when setting a state of the pixel circuit, and applying a second signal to the terminal when viewing the state. There is also provided a driver for an OLED pixel circuit, where the driver employs this method.
Claims17
A method for driving an organic light emitting diode (OLED) pixel circuit comprising:
- applying a first signal to a terminal of said OLED when setting a state of said pixel circuit;
- and
- applying a second signal to said terminal when viewing said state.
A driver for an organic light emitting diode (OLED) pixel circuit comprising:
- a switch,
- wherein said switch directs a first signal to a terminal of said OLED when setting a state of said pixel circuit;
- and
- wherein said switch directs a second signal to said terminal when viewing said state.
1 more element
Dependencies are inferred from the claim text.