OLED DISPLAY DEVICE

OLED DISPLAY DEVICE

An OLED display device includes an OLED display panel (110) on which subpixels (SP) are disposed, a gamma reference voltage supply circuit (1350) supplying gamma reference voltages that are variable during driving and when sensing a threshold voltage, and a data driver (120) supplying data voltages...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIWA, Koichi, HAN, Seong-Eok, JO, Yonghan, LEE, Jungyun
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
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Beschreibung
Zusammenfassung:An OLED display device includes an OLED display panel (110) on which subpixels (SP) are disposed, a gamma reference voltage supply circuit (1350) supplying gamma reference voltages that are variable during driving and when sensing a threshold voltage, and a data driver (120) supplying data voltages based on the gamma reference voltages to data lines (DL). The data driver (120) senses a voltage of a sensing node (N2) within each of the subpixels (SP) in sensing mode. A timing controller (140) controls the data driver (120), and performs a compensation process based on the voltage sensed by the data driver (120).