Title

High Dynamic Range Liquid Crystal Displays With A Mini-Led Backlight

Abstract

We analyze the performance of high dynamic range liquid crystal displays (LCDs) using a two-dimensional local dimming mini-LED backlight. The halo effect of such a HDR display system is investigated by both numerical simulation and human visual perception experiment. The halo effect is mainly governed by two factors: intrinsic LCD contrast ratio (CR) and dimming zone number. Based on our results, to suppress the halo effect to indistinguishable level, a LCD with CR≈5000:1 requires about 200 local dimming zones, while for a LCD with CR≈2000:1 the required dimming zone number is over 3000. Our model provides useful guidelines to optimize the mini-LED backlit LCDs for achieving dynamic contrast ratio comparable to organic LED displays.

Publication Date

6-25-2018

Publication Title

Optics Express

Volume

26

Issue

13

Number of Pages

16572-16584

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OE.26.016572

Socpus ID

85049039243 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85049039243

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