método para acionamento de um oled, o oled tendo uma tensão limite característica (v2) acima da qual o oled deve ser considerado ligado, dispositivo acionador para acionamento de um oled e dispositivo de iluminação

método para acionamento de um oled, o oled tendo uma tensão limite característica (v2) acima da qual o oled deve ser considerado ligado, dispositivo acionador para acionamento de um oled e dispositivo de iluminação

An OLED has a characteristic threshold voltage (V2) above which the OLED is to be considered ON. A method for driving an OLED (20) includes the steps of switching the OLED on and off. According to the invention, a method for driving an OLED (20) includes of avoiding driving the OLED within a voltage...

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1. Verfasser: COEN ADRIANUS VERSCHUREN
Format: Patent
Sprache:por
Schlagworte:
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PHYSICS
SEALS
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Zusammenfassung:An OLED has a characteristic threshold voltage (V2) above which the OLED is to be considered ON. A method for driving an OLED (20) includes the steps of switching the OLED on and off. According to the invention, a method for driving an OLED (20) includes of avoiding driving the OLED within a voltage range between zero and a predetermined voltage level (Vx) higher than zero, wherein this predetermined voltage level (Vx) may be in the order of said characteristic threshold voltage (V2). As a result, damage to the OLED is prevented or reduced, resulting in increased reliability of the OLED in terms of life time expectancy.