DISPLAY BACKLIGHTING SYSTEMS AND METHODS HAVING CURRENT MIRROR BASED DISPLAY DRIVERS TO IMPROVE PULSE WIDTH MODULATION RESOLUTION

DISPLAY BACKLIGHTING SYSTEMS AND METHODS HAVING CURRENT MIRROR BASED DISPLAY DRIVERS TO IMPROVE PULSE WIDTH MODULATION RESOLUTION

Aspects of the subject technology relate to an electronic device with a display. The display includes a plurality of light-emitting diodes and first and second driver circuits coupled to the plurality of light-emitting diodes. The first driver circuit is configured to receive a first pulse-width mod...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Albrecht, Marc, Gu, Ming, Navabi-Shirazi, Mohammad Jafar, Hu, Zhiyuan, Xie, Yanhui, Hussain, Asif, Mohtashemi, Behzad, Chen, Jingdong
Format: Patent
Sprache:eng
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:Aspects of the subject technology relate to an electronic device with a display. The display includes a plurality of light-emitting diodes and first and second driver circuits coupled to the plurality of light-emitting diodes. The first driver circuit is configured to receive a first pulse-width modulated (PWM) signal to control a first current mirror branch and the second driver circuit to receive a second PWM signal to control a second current mirror branch to provide an extra N bits of resolution for controlling the plurality of the light-emitting diodes.