Yueyuan Zhang, Zhenping Xia, Yu Song, Bowen Zhang, Fuyuan Hu. Halo Effect of Mini-Light-Emitting Diode Backlight Liquid-Crystal Display Based on Visual Perception[J]. Laser & Optoelectronics Progress, 2023, 60(12): 1211004
- Laser & Optoelectronics Progress
- Vol. 60, Issue 12, 1211004 (2023)
Fig. 1. Mini-LED backlight LCD system
Fig. 2. Image rendering process. (a) Brightness image obtained through the maximum value of RGB three channels; (b) Mini-LED backlit image; (c) LCD panel image after Mini-LED backlight modulation; (d) image of LCD panel after pixel compensation
Fig. 3. RLabPSNR at different viewing angles of backlight block and screen contrast
Fig. 4. RLabPSNR of four backlight algorithms
Fig. 5. Experimental setting
Fig. 6. Line charts for quantitative analysis of visual perception experimental data. (a) Quantitative analysis trend chart of viewing angle; (b) contrast quantitative analysis trend chart; (c) quantitative analysis trend chart by backlight dimming algorithm
Fig. 7. Scatter fitting diagram of objective evaluation and subjective evaluation
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Table 1. Influence of three factors on the visibility of halo effect
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