Reversible modulated upconversion luminescence exhibits an application potential as the photo-switch, fingerprint acquisition, anti-counterfeiting and optical storage devices. It is found that the photochromism and thermochromism could be applied to modify the upconversion luminescence. However, the electrochromism induced reversible upconversion luminescence modulation was not reported. Here, the WO₃:Yb³⁺, Er³⁺ inverse opal was prepared by the template approach, and its electrochromism property was investigated. The color changing of WO₃:Yb³⁺, Er³⁺ inverse opal from a bit yellow to black was observed upon the negative bias voltage stimulation, and its color can be recovered upon the positive bias voltage stimulation. For the first time, the electrochromism induced reversible upconversion luminescence modulation of WO₃:Yb³⁺, Er³⁺ inverse opal was observed, exhibiting a high modulation degree (100 %). In addition, the reversibly modulated upconversion luminescence exhibited excellent repeatability and stability by alternating stimulation between negative bias voltage and positive bias voltage. The present results open up a new channel to modulate the upconversion luminescence of materials, exhibiting the application potential in the switch, anti-counterfeiting and optical storage devices. As an instance, the application potential of WO₃:Yb³⁺, Er³⁺ inverse opal was described as an optical storage medium, and the optical date writing and reading out were obtained in the electrochromic WO₃:Yb³⁺, Er³⁺ inverse opal.

可逆调制的上转换发光具有作为光电开关，指纹采集，防伪和光学存储设备的应用潜力。发现光致变色和热致变色可用于改变上转换发光。然而，没有报道电致变色诱导可逆的上转换发光调制。在此，通过模板法制备了WO ₃：Yb ³⁺，Er ³⁺反蛋白石，并研究了其电致变色性能。WO ₃：Yb ³⁺，Er ³⁺的变色在负偏置电压刺激下观察到了从黄色到黑色的反蛋白石，并且在正偏置电压刺激下可以恢复其颜色。首次电致变色诱导WO ₃：Yb ³⁺，Er ^3+的可逆上转换发光调制观察到反蛋白石，表现出高调制度（100％）。另外，通过在负偏置电压和正偏置电压之间交替刺激，可逆调制的上转换发光表现出优异的可重复性和稳定性。目前的结果为调制材料的上转换发光开辟了一条新渠道，展现了在开关，防伪和光学存储设备中的应用潜力。例如，将WO ₃：Yb ³⁺，Er ³⁺反蛋白石的应用潜力描述为光存储介质，并在电致变色WO ₃：Yb ³⁺，Er ³中获得光学数据的写入和读出。⁺ 反蛋白石。