Hybrid analog-digital driving method for high definition AMOLED

Shuming Chen; Xiaowei Sun; Hoi Sing Kwok

doi:10.1002/j.2168-0159.2014.tb00402.x

Hybrid analog-digital driving method for high definition AMOLED

Shuming Chen^*, Xiaowei Sun, Hoi Sing Kwok

^*Corresponding author for this work

Department of Electronic and Computer Engineering

Research output: Contribution to journal › Journal Article › peer-review

5 Citations (Scopus)

Abstract

A hybrid analog-digital driving method has been proposed for driving the AMOLED. A frame has been divided into N subframes corresponding to the N bit image data. Each subframe is binary weighted by either the duration or the pixel "on" luminance. The pixel "on" luminance is controlled by the voltage level of the common cathode of the OLED (V_com). By changing the amplitude of V_com, the "on" luminance can be binary varied. The proposed driving scheme can be applied to a 4K or even 8K UHD AMOLED with 8-bit gray level.

Original language	English
Pages (from-to)	1514-1517
Number of pages	4
Journal	Digest of Technical Papers - SID International Symposium
Volume	45
Issue number	1
DOIs	https://doi.org/10.1002/j.2168-0159.2014.tb00402.x
Publication status	Published - Jun 2014

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title = "Hybrid analog-digital driving method for high definition AMOLED",

abstract = "A hybrid analog-digital driving method has been proposed for driving the AMOLED. A frame has been divided into N subframes corresponding to the N bit image data. Each subframe is binary weighted by either the duration or the pixel {"}on{"} luminance. The pixel {"}on{"} luminance is controlled by the voltage level of the common cathode of the OLED (Vcom). By changing the amplitude of Vcom, the {"}on{"} luminance can be binary varied. The proposed driving scheme can be applied to a 4K or even 8K UHD AMOLED with 8-bit gray level.",

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Hybrid analog-digital driving method for high definition AMOLED

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