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Chinese Journal of Liquid Crystals and Displays, Volume. 40, Issue 4, 547(2025)

Display contrast effect and perception research of Mini LED and OLED TV under different ambient light

Zhaoming PENG1, Run JIANG1, Yaoling XU1, and Honglei JI2,3、*
Author Affiliations
  • 1Shenzhen Chuangwei-RGB Electronics Co. Ltd.，Shenzhen 518132，China
  • 2MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices，School of Materials Science & Engineering，Beijing Institute of Technology，100081Beijing，China
  • 3R&D Center of Shenzhen TCL New Technology Co. Ltd.，Shenzhen 518052，China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (25)
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    Figures & Tables(11)
    ACR curves of Mini LED and OLED under different illuminance of ambient light

    Fig. 1. ACR curves of Mini LED and OLED under different illuminance of ambient light

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    Testing pictures in the subjective experiment

    Fig. 2. Testing pictures in the subjective experiment

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    • Table 1. Brightness of white field，dark field and ACR of Mini LED TV and OLED TV under 0 lx ambient light

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      Table 1. Brightness of white field，dark field and ACR of Mini LED TV and OLED TV under 0 lx ambient light

      电视型号白场亮度/（cd·m－2）黑场亮度/（cd·m－2）ACR

      OLED

      LG CX

      		50.80.000 956 608
      105.60.001 378 659
      150.00.001 4110 668
      205.30.001 6131 192
      237.50.001 8135 535

      Mini LED

      T公司R机型

      		150.50.003 543 193
      247.90.002 887 119
      358.70.003 1115 431
      551.10.003 7148 390
      716.40.003 5207 163

    • Table 2. Brightness of white field，dark field and ACR of Mini LED TV and OLED TV under 130 lx ambient light

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      Table 2. Brightness of white field，dark field and ACR of Mini LED TV and OLED TV under 130 lx ambient light

      电视型号白场亮度/（cd·m－2）黑场亮度/（cd·m－2）ACR

      OLED

      LG CX

      		49.00.078 2627
      104.60.080 01 308
      149.00.081 91 819
      204.30.080 12 549
      236.50.075 73 126

      Mini LED

      T公司R机型

      		148.10.116 71 269
      246.70.119 62 063
      358.10.119 92 987
      558.10.119 34 677
      742.70.119 06 238

    • Table 3. Brightness of white field，dark field and ACR of Mini LED TV and OLED TV under 450 lx ambient light

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      Table 3. Brightness of white field，dark field and ACR of Mini LED TV and OLED TV under 450 lx ambient light

      电视型号白场亮度/（cd·m－2）黑场亮度/（cd·m－2）ACR

      OLED

      LG CX

      		51.60.218 8236
      105.90.220 7480
      151.00.220 8684
      204.50.219 1933
      237.80.217 21 095

      Mini LED

      T公司R机型

      		158.40.381 3415
      260.20.381 7682
      374.80.379 6988
      586.20.381 51 537
      775.50.376 92 057

    • Table 4. Brightness corresponding to different white field window sizes of TV

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      Table 4. Brightness corresponding to different white field window sizes of TV

      窗口大小/%LG CX/（cd·m－2）T公司R机型/（cd·m－2）
      100134.7623.5
      50256.7789.5
      25258.9911.7
      10260.3863.4
      2262.4865.4

    • Table 5. Brightness of Mini LED TV under same ACR of OLED TV

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      Table 5. Brightness of Mini LED TV under same ACR of OLED TV

      环境光照度/lxOLED亮度/（cd·m-2）
      105235
      0225447
      130160425
      450160395

    • Table 6. Perception experiment results of Mini LED and OLED TV under same ACR

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      Table 6. Perception experiment results of Mini LED and OLED TV under same ACR

      TV brightness/（cd·m-2）0 lx 环境光130 lx 环境光450 lx 环境光
      OLED/%Mini LED/%OLED/%Mini LED/%OLED/%Mini LED/%
      10536.763.323.376.626.673.3
      2253070406033.366.7

    • Table 7. Perception experiment results of Mini LED and OLED TV under same ACR（excluding the test of gypsophila）

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      Table 7. Perception experiment results of Mini LED and OLED TV under same ACR（excluding the test of gypsophila）

      TV brightness/（cd·m-2）0 lx 环境光130 lx 环境光450 lx 环境光
      OLED/%Mini LED/%OLED/%Mini LED/%OLED/%Mini LED/%
      10520.879.216.783.316.783.3
      22512.587.5257520.879.2

    • Table 8. Brightness and ACR data of Mini LED and OLED under 0 lx ambient light and same perception degree

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      Table 8. Brightness and ACR data of Mini LED and OLED under 0 lx ambient light and same perception degree

      亮度等级电视类型白场亮度/（cd·m－2）黑场亮度/（cd·m－2）ACR/W
      中低亮度水平Mini LED115.60.001 956.0
      OLED105.60.001 367.7
      较高亮度水平Mini LED222.30.001 6813.2
      OLED237.50.001 7513.6

    • Table 9. Brightness of MiniLED and OLED under same perception degree and different ambient light intensity（cd·m－2）

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      Table 9. Brightness of MiniLED and OLED under same perception degree and different ambient light intensity（cd·m－2）

      OLEDMini LED
      0 lx0 lx130 lx450 lx
      105115159180
      225228244285
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    Zhaoming PENG, Run JIANG, Yaoling XU, Honglei JI. Display contrast effect and perception research of Mini LED and OLED TV under different ambient light[J]. Chinese Journal of Liquid Crystals and Displays, 2025, 40(4): 547

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    Paper Information

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    Received: Dec. 5, 2024

    Accepted: --

    Published Online: May. 21, 2025

    The Author Email: Honglei JI (jihl@tcl.com)

    DOI:10.37188/CJLCD.2024-0341

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