Chih-Hao Lin, Akta Verma, Chieh-Yu Kang, Yung-Min Pai, Tzu-Yu Chen, Jin-Jia Yang, Chin-Wei Sher, Ya-Zhu Yang, Po-Tsung Lee, Chien-Chung Lin, Yu-Chuan Wu, S. K. Sharma, Tingzhu Wu, Shu-Ru Chung, Hao-Chung Kuo. Hybrid-type white LEDs based on inorganic halide perovskite QDs: candidates for wide color gamut display backlights[J]. Photonics Research, 2019, 7(5): 579
- Photonics Research
- Vol. 7, Issue 5, 579 (2019)
Fig. 1. Process flow of perovskite QDs-based WLEDs: (a) liquid type, (b) solid type, and (c) hybrid type.
Fig. 2. UV–Vis absorption and PL emission spectrum of (a) CsPbBr 3 CsPbBr 1.2 I 1.8
Fig. 3. (a) EL spectrum and (b) color gamut on CIE1931 for the solid-type WLED.
Fig. 4. (a) EL spectrum and (b) color gamut on CIE1931 for the hybrid-type WLED.
Fig. 5. Current versus luminance efficiency of solid- and hybrid-type WLEDs.
Fig. 6. Surface temperature images of WLED. (a) Temperature versus current plot for two different QDs devices. Thermal images for (b) solid type and (c) hybrid type at 100 mA.
Fig. 7. Emission spectra of (a) solid-type and (b) hybrid-type WLEDs under various operation durations.
Fig. 8. Stability of solid- and hybrid-type WLEDs.
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