Laser & Optoelectronics Progress, Volume. 58, Issue 23, 2325002(2021)
Optical Properties of Quantum Dots Color-Conversion Using Micro-LED Illumination
Fig. 1. Flow chart of light source incident to quantum dot film
Fig. 2. Diagram of light transmission process in quantum dot materials
Fig. 3. Scattering properties of quantum dots
Fig. 4. Excitation spectrum. (a) Excitation spectrum of red quantum dots; (b) excitation spectrum of green quantum dots; (c) excitation spectrum of blue quantum dots
Fig. 5. Emission spectrum. (a) Emission spectrum of red quantum dots; (b) emission spectrum of green quantum dots; (c) emission spectrum of blue quantum dots
Fig. 6. Diagram of quantum dot parameter setting
Fig. 7. Spectrum of excitation source. (a) Blue light; (b) UV light
Fig. 8. Diagram of light source parameter setting
Fig. 9. Diagram of separation of monomer quantum dot model
Fig. 10. Results for the red quantum dot thin film detector. (a) True color image of red quantum dots excited by ultraviolet light; (b) true color image of red quantum dots excited by blue light; (c) detector spectrum
Fig. 11. Results for the green quantum dot thin film detector. (a) True color image of green quantum dots excited by ultraviolet light; (b) true color image of green quantum dots excited by blue light; (c) detector spectrum
Fig. 12. Results for the blue quantum dot thin film detector. (a) True color image of blue quantum dots excited by ultraviolet light; (b) true color image of blue quantum dots excited by blue light; (c) detector spectrum
Fig. 13. Color gamut of different light sources
Fig. 14. Detector receiving spectrum. (a) Spectral curves corresponding to red quantum dots; (b) spectral curves corresponding to green quantum dots; (c) spectral curves corresponding to blue quantum dots
Fig. 15. Ultraviolet region of the receiving spectrum. (a) Spectral curves corresponding to red quantum dots; (b) spectral curves corresponding to green quantum dots; (c) spectral curves corresponding to blue quantum dots
Fig. 16. Illuminance map of the detector when the light source changes from 0° to 90°. (a) Illuminance distribution of detector corresponding to red quantum dot film; (b) illuminance distribution of detector corresponding to green quantum dot film; (c) illuminance distribution of detector corresponding to blue quantum dot film
Fig. 17. Schematic diagram of quantum dot film array model. (a) Array without microstructure; (b) array with microstructure; (c) array arranged in a striped pattern
Fig. 18. True color image of array without microstructures. (a) Red quantum dots; (b) green quantum dots; (c) blue quantum dots
Fig. 19. Illuminance map of array without microstructures. (a) Red quantum dots; (b) green quantum dots; (c) blue quantum dots
Fig. 20. True color image of array with microstructures. (a) Red quantum dots; (b) green quantum dots; (c) blue quantum dots
Fig. 21. Illuminance map of array with microstructures. (a) Red quantum dots; (b) green quantum dots; (c) blue quantum dots
Fig. 22. Light distribution of quantum dots arrays. (a) Without microstructure; (b) with microstructure
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Leran Wang, Fulin Li, Yixuan Sun, Xiaojie Liu, Lei Yang, Hongbo Xie. Optical Properties of Quantum Dots Color-Conversion Using Micro-LED Illumination[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2325002
Category: OPTOELECTRONICS
Received: Mar. 9, 2021
Accepted: Apr. 1, 2021
Published Online: Nov. 19, 2021
The Author Email: Yang Lei (yanglei@tju.edu.cn)